WÄRTSILÄ 34DF Series Product Manual
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WÄRTSILÄ 34DF Series Product Manual

WÄRTSILÄ 34DF Series Product Manual

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WÄRTSILÄ 34DF
PRODUCT GUIDE

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Summary of Contents for WÄRTSILÄ 34DF Series

  • Page 1 WÄRTSILÄ 34DF PRODUCT GUIDE...
  • Page 3 Product Guide Introduction Introduction This Product Guide provides data and system proposals for the early design phase of marine engine install- ations. For contracted projects specific instructions for planning the installation are always delivered. Any data and information herein is subject to revision without notice. This 3/2012 issue replaces all previous issues of the Wärtsilä...

  • Page 4: Table Of Contents

    Product Guide Table of Contents Table of Contents Main Data and Outputs ..........................Technical main data .......................... Maximum continuous output ......................Derating of output in gas mode ......................Reference conditions ........................Operation in inclined position ......................Principal dimensions and weights ....................Operating Ranges .............................
  • Page 5 Product Guide Table of Contents External cooling water system ......................10. Combustion Air System ........................... 10.1 Engine room ventilation ........................10.2 Combustion air system design ......................11. Exhaust Gas System ..........................11.1 Internal exhaust gas system ......................11.2 Exhaust gas outlet ..........................11.3 External exhaust gas system ......................
  • Page 6 Product Guide Table of Contents 21.1 Unit conversion tables ........................21.2 Collection of drawing symbols used in drawings ................Product Guide Wärtsilä 34DF - 3/2012...

  • Page 7: Main Data And Outputs

    Product Guide 1. Main Data and Outputs 1. Main Data and Outputs Technical main data The Wärtsilä 34DF is a 4-stroke, non-reversible, turbocharged and inter-cooled dual fuel engine with direct injection of liquid fuel and indirect injection of gas fuel. The engine can be operated in gas mode or in diesel mode.

  • Page 8: Derating Of Output In Gas Mode

    Product Guide 1. Main Data and Outputs Derating of output in gas mode 1.3.1 Derating due to methane number and charge air receiver temperature Figure 1.1 Derating due to methane number and charge air receiver temperature NOTE! Compensating a low methane number gas by lowering the charge air receiver temperature below 45 °C is not allowed.
  • Page 9 Product Guide 1. Main Data and Outputs 1.3.2 Derating due to gas feed pressure and lower heating value Figure 1.2 Derating of output for gas feed pressure and LHV NOTE! The above given values for gas feed pressure is before the engine (after the gas regulating unit). No compensation (uprating) of the engine output is allowed, neither for gas feed pressure higher than required in the graph above nor lower heating value above 36 MJ/m Values are given in m...

  • Page 10: Reference Conditions

    Product Guide 1. Main Data and Outputs Reference conditions The output is available within a range of ambient conditions and coolant temperatures specified in the chapter Technical Data. The required fuel quality for maximum output is specified in the section Fuel char- acteristics.

  • Page 11: Principal Dimensions And Weights

    Product Guide 1. Main Data and Outputs Principal dimensions and weights 1.6.1 Main engines Figure 1.3 In-line engines (DAAE082421A) Engine Wärtsilä 6L34DF 5280 2550 2385 2345 1155 3670 Wärtsilä 9L34DF 6750 2550 2385 2345 1155 5140 Engine Weight Wärtsilä 6L34DF 1350 1425 1145...
  • Page 12 Product Guide 1. Main Data and Outputs Figure 1.4 V-engines (DAAE082423B) Engine Wärtsilä 12V34DF 6615 2660 3020 2120 1210 4150 1225 Wärtsilä 16V34DF 7735 2335 3020 2120 1210 5270 1225 Engine Weight Wärtsilä 12V34DF 1510 1735 1915 1590 56.1 Wärtsilä 16V34DF 1510 1735 1915...
  • Page 13 Product Guide 1. Main Data and Outputs 1.6.2 Generating sets Figure 1.5 In-line engines (DAAE082427) Figure 1.6 V engines (DAAE082975) Engine LA1** LA2** LA4** Weight** W 6L34DF 8700 6900 1150 3160 2290 1910 1600 4000 2345 1450 1055 W 9L34DF 10475 8850 1150...

  • Page 14: Operating Ranges

    Product Guide 2. Operating Ranges 2. Operating Ranges Engine operating range Below nominal speed the load must be limited according to the diagrams in this chapter in order to maintain engine operating parameters within acceptable limits. Operation in the shaded area is permitted only tem- porarily during transients.

  • Page 15: Loading Capacity

    Product Guide 2. Operating Ranges Remarks: The maximum output may have to be reduced depending on gas properties and gas pressure, refer to section "Derating of output in gas mode". The permissible output will in such case be reduced with same percentage at all revolution speeds.
  • Page 16 Product Guide 2. Operating Ranges 2.2.1 Mechanical propulsion, controllable pitch propeller (CPP) Figure 2.2 Maximum load increase rates for variable speed engines The propulsion control must not permit faster load reduction than 20 s from 100% to 0% without automatic transfer to diesel first.
  • Page 17 Product Guide 2. Operating Ranges In electric propulsion applications loading ramps are implemented both in the propulsion control and in the power management system, or in the engine speed control in case isochronous load sharing is applied. When the load sharing is based on speed droop, it must be taken into account that the load increase rate of a recently connected generator is the sum of the load transfer performed by the power management system and the load increase performed by the propulsion control.

  • Page 18: Operation At Low Load And Idling

    Product Guide 2. Operating Ranges Start-up A stand-by generator reaches nominal speed in 50-70 seconds after the start signal (check of pilot fuel in- jection is always performed during a normal start). With black-out start active nominal speed is reached in about 25 s (pilot fuel injection disabled). The engine can be started with gas mode selected.

  • Page 19: Technical Data

    Product Guide 3. Technical Data 3. Technical Data Wärtsilä 6L34DF AE/DE AE/DE IMO Tier 2 IMO Tier 2 IMO Tier 2 Wärtsilä 6L34DF Gas mode Diesel mode Gas mode Diesel mode Gas mode Diesel mode Cylinder output Engine speed Engine output 2610 2700 2700...
  • Page 20 Product Guide 3. Technical Data AE/DE AE/DE IMO Tier 2 IMO Tier 2 IMO Tier 2 Wärtsilä 6L34DF Gas mode Diesel mode Gas mode Diesel mode Gas mode Diesel mode Cylinder output Priming pressure, nom. (PT 201) Suction ability priming pump, including pipe loss, max. Temperature before bearings, nom.

  • Page 21: Wärtsilä 9L34Df

    Product Guide 3. Technical Data Wärtsilä 9L34DF AE/DE AE/DE IMO Tier 2 IMO Tier 2 IMO Tier 2 Wärtsilä 9L34DF Gas mode Diesel mode Gas mode Diesel mode Gas mode Diesel mode Cylinder output Engine speed Engine output 3915 4050 4050 Mean effective pressure 1.98...
  • Page 22 Product Guide 3. Technical Data AE/DE AE/DE IMO Tier 2 IMO Tier 2 IMO Tier 2 Wärtsilä 9L34DF Gas mode Diesel mode Gas mode Diesel mode Gas mode Diesel mode Cylinder output Pump capacity (main), engine driven Pump capacity (main), electrically driven Priming pump capacity (50/60Hz) 21.6 / 25.9 21.6 / 25.9...

  • Page 23: Wärtsilä 12V34Df

    Product Guide 3. Technical Data Wärtsilä 12V34DF AE/DE AE/DE IMO Tier 2 IMO Tier 2 IMO Tier 2 Wärtsilä 12V34DF Gas mode Diesel mode Gas mode Diesel mode Gas mode Diesel mode Cylinder output Engine speed Engine output 5220 5400 5400 Mean effective pressure 1.98...
  • Page 24 Product Guide 3. Technical Data AE/DE AE/DE IMO Tier 2 IMO Tier 2 IMO Tier 2 Wärtsilä 12V34DF Gas mode Diesel mode Gas mode Diesel mode Gas mode Diesel mode Cylinder output Pump capacity (main), engine driven Pump capacity (main), electrically driven Priming pump capacity (50/60Hz) 38.0 / 45.9 38.0 / 45.9...

  • Page 25: Wärtsilä 16V34Df

    Product Guide 3. Technical Data Wärtsilä 16V34DF AE/DE AE/DE IMO Tier 2 IMO Tier 2 IMO Tier 2 Wärtsilä 16V34DF Gas mode Diesel mode Gas mode Diesel mode Gas mode Diesel mode Cylinder output Engine speed Engine output 6960 7200 7200 Mean effective pressure 1.98...
  • Page 26 Product Guide 3. Technical Data AE/DE AE/DE IMO Tier 2 IMO Tier 2 IMO Tier 2 Wärtsilä 16V34DF Gas mode Diesel mode Gas mode Diesel mode Gas mode Diesel mode Cylinder output Pump capacity (main), engine driven Pump capacity (main), electrically driven Priming pump capacity (50/60Hz) 38.0 / 45.9 38.0 / 45.9...

  • Page 27: Description Of The Engine

    Product Guide 4. Description of the Engine 4. Description of the Engine Definitions Figure 4.1 In-line engine and V-engine definitions (1V93C0029 / 1V93C0028) Main components and systems The dimensions and weights of engines are shown in section 1.6 Principal dimensions and weights . 4.2.1 Engine Block The engine block, made of nodular cast iron, is cast in one piece for all cylinder numbers.
  • Page 28 Product Guide 4. Description of the Engine The crankshaft is fully balanced to counteract bearing loads from eccentric masses by fitting counterweights in every crank web. This results in an even and thick oil film for all bearings. If necessary, the crankshaft is provided with a torsional vibration damper.
  • Page 29 Product Guide 4. Description of the Engine engine block with a closed O-ring profile. The valve mechanism guide block is integrated into the cylinder block. The valve tappets are of piston type with self-adjustment of roller against cam to give an even distri- bution of the contact pressure.
  • Page 30 Product Guide 4. Description of the Engine The twin injection valve is a combined main fuel oil injection and pilot fuel oil injection valve, which is centrally located in the cylinder head. The main diesel injection part of the valve uses traditional spring loaded needle design.
  • Page 31 Product Guide 4. Description of the Engine In-line engines have one turbocharger and V-engines have one turbocharger per cylinder bank. The tur- bocharger(s) are installed transversely, and are placed at the free end of the engine. Vertical, longitudinally inclined, and horizontal exhaust gas outlets are available. In order to optimize the turbocharging system for both high and low load performance, as well as diesel mode and gas mode operation, a pressure relief valve system “waste gate”...

  • Page 32: Cross Section Of The Engine

    Product Guide 4. Description of the Engine Cross section of the engine Figure 4.2 Cross section of the in-line engine Product Guide Wärtsilä 34DF - 3/2012...
  • Page 33 Product Guide 4. Description of the Engine Figure 4.3 Cross section of the V-engine Product Guide Wärtsilä 34DF - 3/2012...

  • Page 34: Overhaul Intervals And Expected Life Times

    Product Guide 4. Description of the Engine Overhaul intervals and expected life times The following overhaul intervals and lifetimes are for guidance only. Actual figures will be different depending on operating conditions, average loading of the engine, fuel quality used, fuel handling system, performance of maintenance etc.

  • Page 35: Piping Design, Treatment And Installation

    Product Guide 5. Piping Design, Treatment and Installation 5. Piping Design, Treatment and Installation This chapter provides general guidelines for the design, construction and planning of piping systems, however, not excluding other solutions of at least equal standard. Installation related instructions are included in the project specific instructions delivered for each installation.

  • Page 36: Trace Heating

    Product Guide 5. Piping Design, Treatment and Installation Table 5.1 Recommended maximum velocities on pump delivery side for guidance Piping Pipe material Max velocity [m/s] LNG piping Stainless steel Fuel gas piping Stainless steel / Carbon steel Fuel oil piping (MDF and HFO) Black steel Lubricating oil piping Black steel...

  • Page 37: Pipe Class

    Product Guide 5. Piping Design, Treatment and Installation pressure loss of 0.25 MPa (2.5 bar). Consequently the discharge pressure of the circulating pumps may rise to 1.05 MPa (10.5 bar), and the safety valve of the pump shall thus be adjusted e.g. to 1.2 MPa (12 bar).

  • Page 38: Local Gauges

    Product Guide 5. Piping Design, Treatment and Installation Exhaust gas pipes Exposed parts of pipes with temperature > 60°C Insulation is also recommended for: Pipes between engine or system oil tank and lubricating oil separator Pipes between engine and jacket water preheater Local gauges Local thermometers should be installed wherever a new temperature occurs, i.e.

  • Page 39: Flexible Pipe Connections

    Product Guide 5. Piping Design, Treatment and Installation Great cleanliness shall be approved in all work phases after completed pickling. Flexible pipe connections Pressurized flexible connections carrying flammable fluids or compressed air have to be type approved. Great care must be taken to ensure proper installation of flexible pipe connections between resiliently mounted engines and ship’s piping.

  • Page 40: Clamping Of Pipes

    Product Guide 5. Piping Design, Treatment and Installation Clamping of pipes It is very important to fix the pipes to rigid structures next to flexible pipe connections in order to prevent damage caused by vibration. The following guidelines should be applied: Pipe clamps and supports next to the engine must be very rigid and welded to the steel structure of the foundation.
  • Page 41 Product Guide 5. Piping Design, Treatment and Installation Figure 5.3 Pipe clamp for fixed support (4V61H0842) Product Guide Wärtsilä 34DF - 3/2012...

  • Page 42: Fuel System

    Product Guide 6. Fuel System 6. Fuel System Acceptable fuel characteristics 6.1.1 Gas fuel specification As a dual fuel engine, the Wärtsilä 34DF engine is designed for continuous operation in gas operating mode or diesel operating mode. For continuous operation without reduction in the rated output, the gas used as main fuel in gas operating mode has to fulfill the below mentioned quality requirements.
  • Page 43 Product Guide 6. Fuel System cording to special requirements. Also the low viscosity (min. 1.4 cSt) can prevent the use in engines unless the fuel can be cooled down enough to meet the min. injection viscosity limit of the engine. DMA: A high quality distillate, generally designated as MGO (Marine Gas Oil).
  • Page 44 Product Guide 6. Fuel System The requirement is applicable to fuels with a sulphur content below 500 mg/kg (0.050 % mass). NOTE! Pilot fuel quality must be according to DMX, DMA, DMZ or DMB. Lubricating oil, foreign substances or chemical waste, hazardous to the safety of the installation or detrimental to the performance of engines, should not be contained in the fuel.
  • Page 45 Product Guide 6. Fuel System Straight run residues show CCAI values in the 770 to 840 range and have very good ignition quality. Cracked residues delivered as bunkers may range from 840 to - in exceptional cases - above 900. Most bunkers remain in the max.
  • Page 46 Product Guide 6. Fuel System Property Unit Limit Test method ref. Steel corrosion (24/72h at 20, 60 and 120°C), max. Rating No signs of corrosion LP 2902 Acid number, max. mg KOH/g 15.0 ASTM D664 Strong acid number, max. mg KOH/g ASTM D664 Iodine number, max.
  • Page 47 Product Guide 6. Fuel System Cold flow properties of renewable bio diesel can vary based on the geographical location and also based on the feedstock properties, which issues must be taken into account when designing the fuel system. Product Guide Wärtsilä 34DF - 3/2012...

  • Page 48: Operating Principles

    Product Guide 6. Fuel System Operating principles Wärtsilä 34DF engines are usually installed for dual fuel operation meaning the engine can be run either in gas or diesel operating mode. The operating mode can be changed while the engine is running, within certain limits, without interruption of power generation.

  • Page 49: Fuel Gas System

    Product Guide 6. Fuel System Fuel gas system 6.3.1 Internal fuel gas system Figure 6.1 Internal fuel gas system, in-line engines (DAAE055609a) System components Safety filter Cylinder Gas admission valve Venting valve Sensors and indicators SE6014A.. Knock sensor, cyl A# PT901 Main gas pressure Pipe connections...
  • Page 50 Product Guide 6. Fuel System Figure 6.2 Internal fuel gas system, V-engines (DAAE080852) System components Safety filter Cylinder Gas admission valve Venting valve Sensors and indicators SE6014A/B.. Knock sensor, cyl A#/B# PT901 Main gas pressure Pipe connections Size Pressure class Standard Gas inlet DN80...
  • Page 51 Product Guide 6. Fuel System 6.3.2 External fuel gas system Figure 6.3 Example of fuel gas system (DAAF022750B) System components Pipe connections 10N05 Gas valve unit Gas inlet Gas system ventilation Air inlet to double wall gas system The fuel gas can typically be contained as CNG, LNG at atmospheric pressure, or pressurized LNG. The design of the external fuel gas feed system may vary, but every system should provide natural gas with the correct temperature and pressure to each engine.
  • Page 52 Product Guide 6. Fuel System The fuel gas pressure control valve adjusts the gas feed pressure to the engine according to engine load. The pressure control valve is controlled by the engine control system. The system is designed to get the correct fuel gas pressure to the engine common rail pipe at all times.
  • Page 53 Product Guide 6. Fuel System Unit components: Manual shut off valve Gas control valve CV-V0# Solenoid valve Vent valve Inerting valve Sensors and indicators Pressure transmitter, gas inlet Pressure transmitter, inert gas Pressure manometer, gas inlet Pressure transmitter, control air Pressure transmitter Pressure transmitter Pressure transmitter, gas outlet...
  • Page 54 Product Guide 6. Fuel System Fuel gas venting In certain situations during normal operation of a DF-engine, as well as due to possible faults, there is a need to safely ventilate the fuel gas piping. During a stop sequence of a DF-engine gas operation (i.e. stop, emergency stop or shutdown in gas operating mode, or transfer to diesel operating mode) the GVU and DF-engine gas venting valves performs a ventilation sequence to relieve pressure from gas piping.

  • Page 55: Fuel Oil System

    Product Guide 6. Fuel System Fuel oil system 6.4.1 Internal fuel oil system Figure 6.6 Internal fuel oil system, in-line engines (DAAE055610a) System components Injection pump Pilot fuel pump Injection valve with pilot solenoid and nozzle Pilot fuel safety filter Pressure control valve Fuel leakage collector Pilot fuel filter...
  • Page 56 Product Guide 6. Fuel System Figure 6.7 Internal fuel oil system, V-engines (DAAE080918) System components Injection pump Pilot fuel pump Injection valve with pilot solenoid and nozzle Pilot fuel safety filter Pressure control valve Fuel leakage collector Pilot fuel filter Pulse damper Sensors and indicators PT101...
  • Page 57 Product Guide 6. Fuel System There are separate pipe connections for the main fuel oil and pilot fuel oil. Main fuel oil can be Marine Diesel Fuel (MDF) or Heavy Fuel Oil (HFO). Pilot fuel oil is always MDF and the pilot fuel system is in operation in both gas- and diesel mode operation.
  • Page 58 Product Guide 6. Fuel System Figure 6.8 Fuel oil viscosity-temperature diagram for determining the pre-heating temperatures of fuel oils (4V92G0071b) Example 1: A fuel oil with a viscosity of 380 cSt (A) at 50°C (B) or 80 cSt at 80°C (C) must be pre-heated to 115 - 130°C (D-E) before the fuel injection pumps, to 98°C (F) at the separator and to minimum 40°C (G) in the storage tanks.
  • Page 59 Product Guide 6. Fuel System Settling tank, HFO (1T02) and MDF (1T10) Separate settling tanks for HFO and MDF are recommended. To ensure sufficient time for settling (water and sediment separation), the capacity of each tank should be sufficient for min. 24 hours operation at maximum fuel consumption. The tanks should be provided with internal baffles to achieve efficient settling and have a sloped bottom for proper draining.
  • Page 60 Product Guide 6. Fuel System Classification rules require the separator arrangement to be redundant so that required capacity is maintained with any one unit out of operation. All recommendations from the separator manufacturer must be closely followed. Centrifugal disc stack separators are recommended also for installations operating on MDF only, to remove water and possible contaminants.
  • Page 61 Product Guide 6. Fuel System Figure 6.9 Fuel transfer and separating system (3V76F6626d) Separator feed pumps (1P02) Feed pumps should be dimensioned for the actual fuel quality and recommended throughput of the separ- ator. The pump should be protected by a suction strainer (mesh size about 0.5 mm) An approved system for control of the fuel feed rate to the separator is required.
  • Page 62 Product Guide 6. Fuel System where: heater capacity [kW] capacity of the separator feed pump [l/h] ΔT = temperature rise in heater [°C] For heavy fuels ΔT = 48°C can be used, i.e. a settling tank temperature of 50°C. Fuels having a viscosity higher than 5 cSt at 50°C require pre-heating before the separator.
  • Page 63 Product Guide 6. Fuel System Fuel feed system - MDF installations Figure 6.10 Example of fuel oil system (MDF), single engine installation (DAAE055756a) System components Pipe connections 1E04 Cooler (MDF) Fuel inlet 1F05 Fine filter (MDF) Fuel outlet 1F07 Suction strainer (MDF) Leak fuel drain, clean fuel 1I03 Flow meter (MDF)
  • Page 64 Product Guide 6. Fuel System Figure 6.11 Example of fuel oil system (MDF) multiple engine installation (DAAE085364) System components Pipe connections 1E04 Cooler (MDF) Fuel inlet 1F05 Fine filter (MDF) Fuel outlet 1F07 Suction strainer (MDF) Leak fuel drain, clean fuel 1P03 Circulation pump (MDF) Leak fuel drain, dirty fuel...
  • Page 65 Product Guide 6. Fuel System Circulation pump, MDF (1P03) The circulation pump maintains the pressure at the injection pumps and circulates the fuel in the system. It is recommended to use a screw pump as circulation pump. A suction strainer with a fineness of 0.5 mm should be installed before each pump.
  • Page 66 Product Guide 6. Fuel System Design data: Design temperature MDF/HFO installation 50/150°C Return fuel tank (1T13) The return fuel tank shall be equipped with a vent valve needed for the vent pipe to the MDF day tank. The volume of the return fuel tank should be at least 100 l. Black out start Diesel generators serving as the main source of electrical power must be able to resume their operation in a black out situation by means of stored energy.
  • Page 67 Product Guide 6. Fuel System Fuel feed system - HFO installations Figure 6.12 Example of fuel oil system (HFO), multiple engine installation (DAAE085365B) System components: 1E02 Heater (booster unit) 1P06 Circulation pump (booster unit) 1E03 Cooler (booster unit) 1P12 Circulation pump (HFO, MDF) 1E04 Cooler (MDF) 1P13...
  • Page 68 Product Guide 6. Fuel System HFO pipes shall be properly insulated. If the viscosity of the fuel is 180 cSt/50°C or higher, the pipes must be equipped with trace heating. It shall be possible to shut off the heating of the pipes when operating on MDF (trace heating to be grouped logically).
  • Page 69 Product Guide 6. Fuel System The above equipment is built on a steel frame, which can be welded or bolted to its foundation in the ship. The unit has all internal wiring and piping fully assembled. All HFO pipes are insulated and provided with trace heating.
  • Page 70 Product Guide 6. Fuel System Design data: Viscosity for dimensioning of electric motor 1000 cSt Pressure control valve, booster unit (1V03) The pressure control valve in the feeder/booster unit maintains the pressure in the de-aeration tank by dir- ecting the surplus flow to the suction side of the feed pump. Design data: Capacity Equal to feed pump...
  • Page 71 Product Guide 6. Fuel System Design data: Capacity: - without circulation pumps (1P12) 5 x the total consumption of the connected engines - with circulation pumps (1P12) 15% more than total capacity of all circulation pumps Design pressure 1.6 MPa (16 bar) Max.
  • Page 72 Product Guide 6. Fuel System In installations where MDF is fed directly from the MDF tank (1T06) to the circulation pump, a suction strainer (1F07) with a fineness of 0.5 mm shall be installed to protect the circulation pump. The suction strainer can be common for all circulation pumps.
  • Page 73 Product Guide 6. Fuel System Design data: Nominal pressure see chapter "Technical Data" Design temperature 50°C Viscosity for dimensioning of electric motor 90 cSt Flushing The external piping system must be thoroughly flushed before the engines are connected and fuel is circulated through the engines.

  • Page 74: Lubricating Oil System

    Product Guide 7. Lubricating Oil System 7. Lubricating Oil System Lubricating oil requirements 7.1.1 Engine lubricating oil The lubricating oil must be of viscosity class SAE 40 and have a viscosity index (VI) of minimum 95. The lubricating oil alkalinity (BN) is tied to the fuel grade, as shown in the table below. BN is an abbreviation of Base Number.

  • Page 75: Internal Lubricating Oil System

    Product Guide 7. Lubricating Oil System 7.1.4 Pilot fuel pump It is recommended to use lithium soap based EP-greases having a penetration of 300...350 when measured according to ASTM D 217 standard and being classed as NLGI Grade 1 at 30...70°C operating temperature. An updated list of approved oils is supplied for every installation.
  • Page 76 Product Guide 7. Lubricating Oil System Pipe connections Size Pressure class Standard Lubricating oil filling (wet sump) DN40 PN40 ISO 7005-1 Lubricating oil drain (wet sump) M22 x 1.5 Crankcase air vent DN80 PN16 ISO 7005-1 Figure 7.2 Internal lubricating oil system, V-engines (DAAE080919) System components Lubricating oil main pump Centrifugal filter...
  • Page 77 Product Guide 7. Lubricating Oil System Pipe connections Size Pressure class Standard Lubricating oil from separator and filling (wet sump) DN40 PN40 ISO 7005-1 Lubricating oil to separator and drain (wet sump) DN40 PN40 ISO 7005-1 Lubricating oil filling (wet sump) DN40 PN40 ISO 7005-1...

  • Page 78: External Lubricating Oil System

    Product Guide 7. Lubricating Oil System External lubricating oil system Figure 7.3 Example of lubricating oil system, wet oil sump (DAAE055757a) System components Pipe connections 2E02 Heater (separator unit) Lubricating oil to el.driven pump 2F03 Suction filter (separator unit) Lubricating oil from el. driven pump 2F06 Suction strainer (stand-by pump) Lubricating oil from separator and filling...
  • Page 79 Product Guide 7. Lubricating Oil System Figure 7.4 Example of lubricating oil system, dry oil sump (DAAE055758a) System components Pipe connections 2E02 Heater (separator unit) Lube oil outlet 2F01 Suction strainer (main lube oil pump) Lube oil to engine driven pump 2F03 Suction filter (separator unit) Lube oil to priming pump...
  • Page 80 Product Guide 7. Lubricating Oil System Auxiliary engines operating on HFO having a viscosity of max. 380 cSt / 50°C may have a common lubric- ating oil separator unit. Two engines may have a common lubricating oil separator unit. In installations with four or more engines two lubricating oil separator units should be installed.
  • Page 81 Product Guide 7. Lubricating Oil System Renovated oil tank (2T05) This tank contains renovated oil ready to be used as a replacement of the oil drained for separation. 7.3.2 System oil tank (2T01) Recommended oil tank volume is stated in chapter Technical data. The system oil tank is usually located beneath the engine foundation.
  • Page 82 Product Guide 7. Lubricating Oil System Figure 7.5 Example of system oil tank arrangement (DAAE007020e) Design data: Oil tank volume 1.2...1.5 l/kW, see also Technical data Oil level at service 75...80% of tank volume Oil level alarm 60% of tank volume 7.3.3 New oil tank (2T03) In engines with wet sump, the lubricating oil may be filled into the engine, using a hose or an oil can, through the crankcase cover or through the separator pipe.

  • Page 83: Crankcase Ventilation System

    Product Guide 7. Lubricating Oil System 7.3.5 Lubricating oil pump, stand-by (2P04) The stand-by lubricating oil pump is normally of screw type and should be provided with an overflow valve. Design data: Capacity see Technical data Design pressure, max 0.8 MPa (8 bar) Design temperature, max.

  • Page 84: Flushing Instructions

    Product Guide 7. Lubricating Oil System Flushing instructions Flushing instructions in this Product Guide are for guidance only. For contracted projects, read the specific instructions included in the installation planning instructions (IPI). 7.5.1 Piping and equipment built on the engine Flushing of the piping and equipment built on the engine is not required and flushing oil shall not be pumped through the engine oil system (which is flushed and clean from the factory).

  • Page 85: Compressed Air System

    Product Guide 8. Compressed Air System 8. Compressed Air System Compressed air is used to start engines and to provide actuating energy for safety and control devices. The use of starting air for other purposes is limited by the classification regulations. To ensure the functionality of the components in the compressed air system, the compressed air has to be free from solid particles and oil.
  • Page 86 Product Guide 8. Compressed Air System Figure 8.1 Internal compressed air system, in-line engines (DAAE055612a) System components Main starting air valve Flame arrestor Starting air distributor Safety valve Starting air valve in cylinder head Drain valve Blocking valve, when turning gear engaged Start solenoid valve Air container Stop solenoid valve...
  • Page 87 Product Guide 8. Compressed Air System Figure 8.2 Internal compressed air system, V-engines (DAAE080920) System components Main starting air valve Flame arrestor Starting air distributor Safety valve Starting air valve in cylinder head Drain valve Blocking valve, when turning gear engaged Start solenoid valve Air container Stop solenoid valve...

  • Page 88: External Compressed Air System

    Product Guide 8. Compressed Air System External compressed air system The design of the starting air system is partly determined by classification regulations. Most classification societies require that the total capacity is divided into two equally sized starting air receivers and starting air compressors.
  • Page 89 Product Guide 8. Compressed Air System 8.3.2 Oil and water separator (3S01) An oil and water separator should always be installed in the pipe between the compressor and the air vessel. Depending on the operation conditions of the installation, an oil and water separator may be needed in the pipe between the air vessel and the engine.
  • Page 90 Product Guide 8. Compressed Air System where: required number of starts according to the classification society maximum starting air pressure = 3 MPa Rmax minimum starting air pressure = 1.8 MPa Rmin NOTE! The total vessel volume shall be divided into at least two equally sized starting air vessels. 8.3.4 Starting air filter (3F02) Condense formation after the water separator (between starting air compressor and starting air vessels) create and loosen abrasive rust from the piping, fittings and receivers.

  • Page 91: Cooling Water System

    Product Guide 9. Cooling Water System 9. Cooling Water System Water quality The fresh water in the cooling water system of the engine must fulfil the following requirements: pH ....... min. 6.5 Hardness ....max. 10 °dH Chlorides ....max. 80 mg/l Sulphates ....

  • Page 92: Internal Cooling Water System

    Product Guide 9. Cooling Water System Internal cooling water system Figure 9.1 Internal cooling water system, in-line engines (DAAE055613a) System components: HT-cooling water pump HT-thermostatic valve LT-cooling water pump Charge air cooler (HT) Charge air cooler (LT) Connection piece Lubricating oil cooler Sensors and indicators: PT401 HT-water pressure before cylinder jackets...
  • Page 93 Product Guide 9. Cooling Water System Figure 9.2 Internal cooling water system, V-engines (DAAE080921) System components: HT-cooling water pump HT-thermostatic valve LT-cooling water pump Shut-off valve Charge air cooler (LT) Charge air cooler (HT) Lubricating oil cooler Sensors and indicators: PS410 HT-water stand-by pump start (if stand-by pump) TEZ402...
  • Page 94 Product Guide 9. Cooling Water System The fresh water cooling system is divided into a high temperature (HT) and a low temperature (LT) circuit. The HT water circulates through cylinder jackets, cylinder heads and the 1st stage of the charge air cooler, if the engine is equipped with a two-stage charge air cooler.

  • Page 95: External Cooling Water System

    Product Guide 9. Cooling Water System External cooling water system Figure 9.4 External cooling water system, in-line engines (DAAE055760a) System components: 1E04 Cooler (MDF) 4P09 Transfer pump 4E05 Heater (preheater) 4P11 Circulating pump (sea water) 4E08 Central cooler 4P15 Circulating pump (LT) 4E10 Cooler (reduction gear) 4S01...
  • Page 96 Product Guide 9. Cooling Water System Figure 9.5 External cooling water system, V-engines (DAAE084914) System components: 4E05 Heater (preheater) 4S01 Air venting 4E08 Central cooler 4T04 Drain tank 4N01 Preheating unit 4T05 Expansion tank 4N02 Evaporator unit 4V02 Temperature control valve (heat recovery) 4P04 Circulating pump (preheater) 4V09...
  • Page 97 Product Guide 9. Cooling Water System Figure 9.6 External cooling water system, V-engines (DAAE089099) System components: 1E04 Cooler (MDF) 4P15 Circulating pump (LT) 4E05 Heater (preheater) 4S01 Air venting 4E08 Central cooler 4T04 Drain tank 4E10 Cooler (reduction gear) 4T05 Expansion tank 4N01 Preheating unit...
  • Page 98 Product Guide 9. Cooling Water System It is recommended to divide the engines into several circuits in multi-engine installations. One reason is of course redundancy, but it is also easier to tune the individual flows in a smaller system. Malfunction due to entrained gases, or loss of cooling water in case of large leaks can also be limited.
  • Page 99 Product Guide 9. Cooling Water System 9.3.6 Temperature control valve for heat recovery (4V02) The temperature control valve after the heat recovery controls the maximum temperature of the water that is mixed with HT water from the engine outlet before the HT pump. The control valve can be either self- actuated or electrically actuated.
  • Page 100 Product Guide 9. Cooling Water System water. The outboard water is warmed up and rises by its lower density, thus causing a natural upward cir- culation flow which removes the heat. Box cooling has the advantage that no raw water system is needed, and box coolers are less sensitive for fouling and therefor well suited for shallow or muddy waters.
  • Page 101 Product Guide 9. Cooling Water System through the pipe depends on the number of vent pipes to the tank and the size of the orifices in the vent pipes. The table below can be used for guidance. Table 9.1 Minimum diameter of balance pipe Nominal pipe size Max.
  • Page 102 Product Guide 9. Cooling Water System where: Preheating time [h] Engine specific coefficient = 1 kW eng = Number of cylinders cyl = The formula above should not be used for P < 3.5 kW/cyl Circulation pump for preheater (4P04) Design data: Capacity 0.4 m...
  • Page 103 Product Guide 9. Cooling Water System Heater capacity Pump capacity Weight Pipe Dimensions [mm] [kW] [m³/h] [kg] conn. 50 Hz 60 HZ In/outlet DN40 1260 9.3.14 Throttles Throttles (orifices) are to be installed in all by-pass lines to ensure balanced operating conditions for tem- perature control valves.

  • Page 104: Combustion Air System

    Product Guide 10. Combustion Air System 10. Combustion Air System 10.1 Engine room ventilation To maintain acceptable operating conditions for the engines and to ensure trouble free operation of all equipment, attention to shall be paid to the engine room ventilation and the supply of combustion air. The air intakes to the engine room must be located and designed so that water spray, rain water, dust and exhaust gases cannot enter the ventilation ducts and the engine room.

  • Page 105: Combustion Air System Design

    Product Guide 10. Combustion Air System 10.1.1 Combustion air quality The air temperature at turbocharger inlet should be kept, as far as possible, between 15...35°C. Temporarily max. 45°C is allowed. 10.2 Combustion air system design Usually, the combustion air is taken from the engine room through a filter on the turbocharger. This reduces the risk for too low temperatures and contamination of the combustion air.
  • Page 106 Product Guide 10. Combustion Air System Example, according to the diagram: Figure 10.1 Condensation in charge air coolers At an ambient air temperature of 35°C and a relative humidity of 80%, the content of water in the air is 0.029 kg water/ kg dry air.

  • Page 107: Exhaust Gas System

    Product Guide 11. Exhaust Gas System 11. Exhaust Gas System 11.1 Internal exhaust gas system Figure 11.1 Charge air and exhaust gas system, in-line engines (DAAE055614a) System components Air filter Cylinder Turbocharger (TC) Waste gate valve Charge air cooler (CAC) Charge air shut-off valve (optional) Sensors and indicators TE50#1A...
  • Page 108 Product Guide 11. Exhaust Gas System Figure 11.2 Charge air and exhaust gas system, V-engines (DAAE080922) System components Air filter Cylinder Turbocharger (TC) Waste gate valve Charge air cooler (CAC) Charge air shut-off valve (optional) Sensors and indicators TE511 Exhaust gas temperature, TC inlet A-bank TE50#1B Exhaust gas temperature, cyl #, B-bank TE517...

  • Page 109: Exhaust Gas Outlet

    Product Guide 11. Exhaust Gas System 11.2 Exhaust gas outlet Figure 11.3 Exhaust pipe connections (DAAE082913) Engine TC type TC in free end W 6L34DF NA297 0°, 45°, 90° W 9L34DF NA307 0°, 45°, 90° W 12V34DF NA297 0°, 45°, 90° W 16V34DF NA307 0°, 45°, 90°...
  • Page 110 Product Guide 11. Exhaust Gas System Figure 11.5 Exhaust pipe, diameters and support (DAAE082784, -86) Engine TC type ØA [mm] ØB [mm] W 12V34DF NA297 2 x DN400 W 16V34DF NA307 2 x DN400 Product Guide Wärtsilä 34DF - 3/2012...

  • Page 111: External Exhaust Gas System

    Product Guide 11. Exhaust Gas System 11.3 External exhaust gas system Each engine should have its own exhaust pipe into open air. Backpressure, thermal expansion and supporting are some of the decisive design factors. Flexible bellows must be installed directly on the turbocharger outlet, to compensate for thermal expansion and prevent damages to the turbocharger due to vibrations.
  • Page 112 Product Guide 11. Exhaust Gas System The exhaust gas system is ventilated by a fan after the engine has stopped, if the engine was operating in gas mode prior to the stop. The control of this function must be included in the external automation system.
  • Page 113 Product Guide 11. Exhaust Gas System The recommended flow velocity in the pipe is 35…40 m/s at full output. If there are many resistance factors in the piping, or the pipe is very long, then the flow velocity needs to be lower. The exhaust gas mass flow given in chapter Technical data can be translated to velocity using the formula: Where: gas velocity [m/s]...
  • Page 114 Product Guide 11. Exhaust Gas System the external forces on the turbocharger and thus prevent excessive vibrations and possible damage. All exhaust gas bellows must be of an approved type. 11.3.8 SCR-unit (11N03) The exhaust gas piping must be straight at least 3...5 meters in front of the SCR unit. If both an exhaust gas boiler and a SCR unit will be installed, then the exhaust gas boiler shall be installed after the SCR.

  • Page 115: Turbocharger Cleaning

    Product Guide 12. Turbocharger Cleaning 12. Turbocharger Cleaning Regular water cleaning of the turbine and the compressor reduces the formation of deposits and extends the time between overhauls. Fresh water is injected into the turbocharger during operation. Additives, solvents or salt water must not be used and the cleaning instructions in the operation manual must be carefully followed.

  • Page 116: Exhaust Emissions

    Product Guide 13. Exhaust Emissions 13. Exhaust Emissions Exhaust emissions from the dual fuel engine mainly consist of nitrogen, carbon dioxide (CO2) and water vapour with smaller quantities of carbon monoxide (CO), sulphur oxides (SOx) and nitrogen oxides (NOx), partially reacted and non-combusted hydrocarbons and particulates. 13.1 Dual fuel engine exhaust components Due to the high efficiency and the clean fuel used in a dual fuel engine in gas mode, the exhaust gas emissions when running on gas are extremely low.
  • Page 117 Product Guide 13. Exhaust Emissions different weighting factors for different loads that have been corrected to ISO 8178 conditions. The used ISO 8178 test cycles are presented in the following table. Table 13.2 ISO 8178 test cycles D2: Auxiliary engine Speed (%) Power (%) Weighting...
  • Page 118 Product Guide 13. Exhaust Emissions The NO emissions limits in the IMO standards are expressed as dependent on engine speed. These are shown in figure 1.1 on next page. Figure 13.1 IMO NO emission limits IMO Tier 1 NO emission standard The IMO Tier 1 NOx emission standard applies to ship built from year 2000 until end 2010.

  • Page 119: Methods To Reduce Exhaust Emissions

    Product Guide 13. Exhaust Emissions Dual fuel engines comply with IMO Tier 3 regulations. In diesel mode dual fuel engines comply with IMO Tier 2. The IMO Tier 3 NO enission level corresponds to an 80% reduction from the IMO Tier 1 NOx emission standard.

  • Page 120: Automation System

    Product Guide 14. Automation System 14. Automation System Wärtsilä Unified Controls – UNIC is a modular embedded automation system. UNIC C3 is used for engines with electronically controlled fuel injection and has a hardwired interface for control functions and a bus communication interface for alarm and monitoring.
  • Page 121 Product Guide 14. Automation System Input/Output Module handles measurements and limited control functions in a specific area on the engine. Cylinder Control Module. Handles fuel injection control, and local measurements at the cylinders where it is used. The above equipment and instrumentation are prewired on the engine. The ingress protection class is IP54. 14.1.1 External equipment Power unit Two redundant power supply converters/isolators are installed in a steel sheet cabinet for bulkhead...
  • Page 122 Product Guide 14. Automation System Figure 14.2 Local control panel and local display unit 14.1.3 Engine safety system The engine safety system is based on hardwired logic with redundant design for safety-critical functions. The engine safety module handles fundamental safety functions, for example overspeed protection. It is also the interface to the shutdown devices on the engine for all other parts of the control system.
  • Page 123 Product Guide 14. Automation System The power unit contains redundant power converters, each converter dimensioned for 100% load. At least one of the two incoming supplies must be connected to a UPS. The power unit supplies the equipment on the engine with 2 x 24 VDC and 2 x 110 VDC. Power supply from ship's system: Supply 1: 230 VAC / abt.
  • Page 124 Product Guide 14. Automation System Cable From <=> To Cable types (typical) Power unit <=> Gas Valve Unit 1 x 2 x 2.5 mm 1 x 2 x 2.5 mm 3 x 2 x 0.75 mm Gas Valve Unit <=> Fuel gas supply system 4 x 2 x 0.75 mm Exhaust gas fan and pre-lube starter <=>...

  • Page 125: Functions

    Product Guide 14. Automation System Figure 14.5 Signal overview (Generating set) 14.2 Functions 14.2.1 Engine operating modes Wärtsilä dual fuel engines can be requested by operator to run in two different operating modes: Gas operating mode (gas fuel + pilot fuel injection) Diesel operating mode (conventional diesel fuel injection + pilot fuel injection) In addition, engine control and safety system or the blackout detection system can force the engine to run in backup operating mode (conventional diesel fuel injection only).
  • Page 126 Product Guide 14. Automation System The engine control system automatically forces the engine to backup operating mode (regardless of oper- ator choice of operating mode) in two cases: Pilot fuel injection system related fault is detected (pilot trip) Engine is started while the blackout-signal (from external source) is active Figure 14.6 Principle of engine operating modes 14.2.2 Start Start blocking...
  • Page 127 Product Guide 14. Automation System The starting air is activated Pilot fuel injection and pilot fuel pressure control is enabled Starting air is disengaged A combustion check is performed Gas admission is started and engine speed is raised to nominal The start mode is interrupted in case of abnormalities during the start sequence.
  • Page 128 Product Guide 14. Automation System Figure 14.7 Operating modes are load dependent Points for consideration when selecting fuels When selecting the fuel operating mode for the engine, or before transferring between operating modes, the operator should consider the following: To prevent an overload of the gas supply system, transfer one engine at a time to gas operating mode When running on gas, the engine load should be kept well above the automatic transfer lower limit in order to prevent unwanted transfer back to diesel When running several engines on gas, the load level should be kept such that no drop below the...

  • Page 129: Alarm And Monitoring Signals

    Product Guide 14. Automation System Emergency stop mode The sequence of engine stopping in emergency stop mode is similar to shutdown mode, except that also the pilot fuel injection is de-activated immediately upon stop signal. Emergency stop is the fastest way of manually shutting down the engine. In case the emergency stop push- button is pressed, the button is automatically locked in pressed position.
  • Page 130 Product Guide 14. Automation System Engine turning device (9N15) The crankshaft can be slowly rotated with the turning device for maintenance purposes. The motor starter must be designed for reversible control of the motor. The electric motor ratings are listed in the table below. Table 14.2 Electric motor ratings for engine turning device Engine type Voltage [V]...
  • Page 131 Product Guide 14. Automation System Circulating pump for preheater (4P04) If the main cooling water pump (HT) is engine driven, the preheater pump shall start when the engine stops (to ensure water circulation through the hot engine) and stop when the engine starts. The engine control system handles start/stop of the pump automatically via a motor starter.

  • Page 132: Foundation

    Product Guide 15. Foundation 15. Foundation Engines can be either rigidly mounted on chocks, or resiliently mounted on rubber elements. If resilient mounting is considered, Wärtsilä must be informed about existing excitations such as propeller blade passing frequency. Dynamic forces caused by the engine are listed in the chapter Vibration and noise. 15.1 Steel structure design The system oil tank may not extend under the reduction gear, if the engine is of dry sump type and the oil tank is located beneath the engine foundation.
  • Page 133 Product Guide 15. Foundation the permissible bolt tension is limited either by the strength of the bolt material (max. stress 80% of the yield strength), or by the maximum permissible surface pressure on the resin. Steel chocks The top plates of the foundation girders are to be inclined outwards with regard to the centre line of the engine.
  • Page 134 Product Guide 15. Foundation Figure 15.1 Main engine seating and fastening, in-line engines, steel chocks (DAAE085777) Product Guide Wärtsilä 34DF - 3/2012...
  • Page 135 Product Guide 15. Foundation Number of pieces per engine W 6L34DF W 9L34DF Fitted bolt Clearance bolt Round nut Lock nut Distance sleeve Lateral support Chocks Product Guide Wärtsilä 34DF - 3/2012...
  • Page 136 Product Guide 15. Foundation Figure 15.2 Main engine seating and fastening, in-line engines, resin chocks (DAAE085778) Product Guide Wärtsilä 34DF - 3/2012...
  • Page 137 Product Guide 15. Foundation Number of pieces per engine W 6L34DF W 9L34DF Fitted bolt Clearance bolt Round nut Lock nut Distance sleeve Lateral support Chocks Product Guide Wärtsilä 34DF - 3/2012...
  • Page 138 Product Guide 15. Foundation Figure 15.3 Main engine seating and fastening, V-engines, steel chocks (DAAE085776) Product Guide Wärtsilä 34DF - 3/2012...
  • Page 139 Product Guide 15. Foundation Number of pieces per engine W 12V34DF W 16V34DF Fitted bolt Clearance bolt Round nut Lock nut Distance sleeve Lateral support Chocks Product Guide Wärtsilä 34DF - 3/2012...
  • Page 140 Product Guide 15. Foundation Figure 15.4 Main engine seating and fastening, V-engines, resin chocks (DAAE085781) Product Guide Wärtsilä 34DF - 3/2012...
  • Page 141 Product Guide 15. Foundation Number of pieces per engine W 12V34DF W 16V34DF Fitted bolt Clearance bolt Round nut Lock nut Distance sleeve Lateral support Chocks Product Guide Wärtsilä 34DF - 3/2012...
  • Page 142 Product Guide 15. Foundation 15.2.2 Resilient mounting In order to reduce vibrations and structure borne noise, main engines can be resiliently mounted on rubber elements. The transmission of forces emitted by the engine is 10-20% when using resilient mounting. For resiliently mounted engines a speed range of 500-750 rpm is generally available, but cylinder configuration 18V is limited to constant speed operation (750 rpm) and resilient mounting is not available for 7L32.
  • Page 143 Product Guide 15. Foundation Figure 15.6 Principle of resilient mounting, V-engines (2V69A0248a) Product Guide Wärtsilä 34DF - 3/2012...

  • Page 144: Mounting Of Generating Sets

    Product Guide 15. Foundation 15.3 Mounting of generating sets 15.3.1 Generator feet design Figure 15.7 Distance between fixing bolts on generator (DAAE084469) W 6L34DF Rmax W 9L34DF Rmax W 12V34DF Rmax W 16V34DF Rmax H [mm] [mm] [mm] [mm] [mm] 1400 1600 1800...
  • Page 145 Product Guide 15. Foundation 15.3.2 Resilient mounting Generating sets, comprising engine and generator mounted on a common base frame, are usually installed on resilient mounts on the foundation in the ship. The resilient mounts reduce the structure borne noise transmitted to the ship and also serve to protect the generating set bearings from possible fretting caused by hull vibration.
  • Page 146 Product Guide 15. Foundation Figure 15.8 Recommended design of the generating set seating (3V46L0295d, DAAE020067a) Rubber mounts The generating set is mounted on conical resilient mounts, which are designed to withstand both compression and shear loads. In addition the mounts are equipped with an internal buffer to limit the movements of the generating set due to ship motions.

  • Page 147: Flexible Pipe Connections

    Product Guide 15. Foundation Figure 15.9 Rubber mount, In-line engines (DAAE004230c) Figure 15.10 Rubber mount, V-engines (DAAE018766b) 15.4 Flexible pipe connections When the engine or generating set is resiliently installed, all connections must be flexible and no grating nor ladders may be fixed to the engine or generating set. When installing the flexible pipe connections, unnecessary bending or stretching should be avoided.

  • Page 148: Vibration And Noise

    Product Guide 16. Vibration and Noise 16. Vibration and Noise Wärtsilä 34DF generating sets comply with vibration levels according to ISO 8528-9. Main engines comply with vibration levels according to ISO 10816-6 Class 5. 16.1 External forces and couples Some cylinder configurations produce external forces and couples. These are listed in the tables below. The ship designer should avoid natural frequencies of decks, bulkheads and superstructures close to the excitation frequencies.

  • Page 149: Torque Variations

    Product Guide 16. Vibration and Noise 16.2 Torque variations Table 16.2 Torque variation at 100% load Engine Speed Frequency Frequency Frequency [rpm] [Hz] [kNm] [Hz] [kNm] [Hz] [kNm] W 6L34DF 37.5 112.5 W 9L34DF 56.25 168.75 W 12V34DF 37.5 112.5 W 16V34DF 16.3 Mass moments of inertia The mass-moments of inertia of the main engines (including flywheel) are typically as follows:...

  • Page 150: Exhaust Noise

    Product Guide 16. Vibration and Noise Figure 16.3 Typical sound power level for engine noise, W V34DF 16.5 Exhaust noise Figure 16.4 Typical sound power level for exhaust noise, W L34DF Product Guide Wärtsilä 34DF - 3/2012...
  • Page 151 Product Guide 16. Vibration and Noise Figure 16.5 Typical sound power level for exhaust noise, W V34DF Product Guide Wärtsilä 34DF - 3/2012...

  • Page 152: Power Transmission

    Product Guide 17. Power Transmission 17. Power Transmission 17.1 Flexible coupling The power transmission of propulsion engines is accomplished through a flexible coupling or a combined flexible coupling and clutch mounted on the flywheel. The crankshaft is equipped with an additional shield bearing at the flywheel end.

  • Page 153: Torque Flange

    Product Guide 17. Power Transmission Figure 17.2 Directives for generator end design (4V64F0003a) 17.2 Torque flange In mecanical propulsion applications, a torque meter has to be installed in order to measure the absorbed power. The torque flange has an installation length of 300 mm for all cylinder configurations and is installed after the flexible coupling.

  • Page 154: Power-Take-Off From The Free End

    Product Guide 17. Power Transmission Figure 17.3 Shaft locking device and brake disc with calipers 17.5 Power-take-off from the free end The engine power can be taken from both ends of the engine. For in-line engines full engine power is also available at the free end of the engine.

  • Page 155: Input Data For Torsional Vibration Calculations

    Product Guide 17. Power Transmission PTO shaft design rating, engine output may be lower 17.6 Input data for torsional vibration calculations A torsional vibration calculation is made for each installation. For this purpose exact data of all components included in the shaft system are required. See list below. Installation Classification Ice class...

  • Page 156: Turning Gear

    Product Guide 17. Power Transmission Operational data Operational profile (load distribution over time) Clutch-in speed Power distribution between the different users Power speed curve of the load 17.7 Turning gear The engine is equipped with an electrical driven turning gear, capable of turning the flywheel. Product Guide Wärtsilä...

  • Page 157: Engine Room Layout

    Product Guide 18. Engine Room Layout 18. Engine Room Layout 18.1 Crankshaft distances Minimum crankshaft distances have to be followed in order to provide sufficient space between engines for maintenance and operation. 18.1.1 Main engines Figure 18.1 Crankshaft distances, in-line engines (DAAE082974A) Engine type A [mm] W 6L34DF...
  • Page 158 Product Guide 18. Engine Room Layout Figure 18.2 Crankshaft distances, V-engines (DAAE082971) Combusion air system A [mm] TC with air filter/silencer on turbocharger 3700 Air duct connected to TC 3800 Product Guide Wärtsilä 34DF - 3/2012...
  • Page 159 Product Guide 18. Engine Room Layout 18.1.2 Generating sets Figure 18.3 Crankshaft distances, in-line engines (DAAE082973) Engine type A *** B *** C *** D *** W 6L34DF 1600 1660 1910 2800 1700 W 9L34DF 2200 2260 2510 2800 2000 All dimensions in mm.
  • Page 160 Product Guide 18. Engine Room Layout Figure 18.4 Crankshaft distances, V-engines (DAAE082970) Engine type W 12V34DF 2200 2620 min. 3800 W 16V34DF 2200 2620 min. 3800 All dimensions in mm. 18.1.3 Father-and-son arrangement When connecting two engines of different type and/or size to the same reduction gear the minimum crankshaft distance has to be evaluated case by case.
  • Page 161 Product Guide 18. Engine Room Layout Figure 18.5 Example of father-and-son arrangement, 9L34DF + 12V34DF, TC in free end (DAAE082972) All dimensions in mm. *) 50mm for clearance included. 18.1.4 Distance from adjacent intermediate/propeller shaft Some machinery arrangements feature an intermediate shaft or propeller shaft running adjacent to engine. To allow adequate space for engine inspections and maintenance there has to be sufficient free space between the intermediate/propeller shaft and the engine.
  • Page 162 Product Guide 18. Engine Room Layout Figure 18.6 Main engine arrangement, in-line engines (DAAE086973B) Notes: Engine type All dimensions in mm. W 6L34DF 1880 2700 1480 Intermediate shaft diameter to be determined case by case * Depending on type of shaft bearing W 9L34DF 1880 2700...
  • Page 163 Product Guide 18. Engine Room Layout Figure 18.8 Main engine arrangement, V-engines (DAAE083977) Figure 18.9 Main engine arrangement, V-engines (DAAE083975) Notes: All dimensions in mm. Intermediate shaft diameter to be determined case by case * Depends on type of gearbox ** Depends on type of shaft bearing Product Guide Wärtsilä...

  • Page 164: Space Requirements For Maintenance

    Product Guide 18. Engine Room Layout 18.2 Space requirements for maintenance 18.2.1 Working space around the engine The required working space around the engine is mainly determined by the dismounting dimensions of engine components, and space requirement of some special tools. It is especially important that no ob- structive structures are built next to engine driven pumps, as well as camshaft and crankcase doors.
  • Page 165 Product Guide 18. Engine Room Layout 18.4.1 Service space requirement for the in-line engine Figure 18.10 Service space requirement, turbocharger in free end (DAAE083978) Product Guide Wärtsilä 34DF - 3/2012...
  • Page 166 Product Guide 18. Engine Room Layout 18.4.2 Service space requirement for the V-engine Figure 18.11 Service space requirement, turbocharger in free end (DAAE083976) Product Guide Wärtsilä 34DF - 3/2012...

  • Page 167: Transport Dimensions And Weights

    Product Guide 19. Transport Dimensions and Weights 19. Transport Dimensions and Weights 19.1 Lifting of main engines Figure 19.1 Lifting of main engines, in-line engines (DAAE083962) Engine W 6L34DF 2990 1520 2940 2940 W 9L34DF 4460 2010 3920 4410 All dimensions in mm. Transport bracket weight: 890 kg. Rear side (B-bank) Operating side (A-bank) Product Guide Wärtsilä...
  • Page 168 Product Guide 19. Transport Dimensions and Weights Figure 19.2 Lifting of main engines, V-engines (DAAE083962) Engine W 12V34DF 3430 1090 3330 3330 1706 1594 W 16V34DF 4550 1090 4450 4450 2266 2154 All dimensions in mm. Transport bracket weight: dry oil sump = 935 kg, wet oil sump = 1060 kg. Rear side (B-bank) Operating side (A-bank) Product Guide Wärtsilä...

  • Page 169: Lifting Of Generating Sets

    Product Guide 19. Transport Dimensions and Weights 19.2 Lifting of generating sets Figure 19.3 Lifting of generating sets (DAAE083966, -69) Engine H [mm] L [mm] W [mm] W L34DF 6550...6900 3700...6000 2245...2845 W V34DF 8000...8480 4500...6500 2975...3275 Product Guide Wärtsilä 34DF - 3/2012...

  • Page 170: Engine Components

    Product Guide 19. Transport Dimensions and Weights 19.3 Engine components Table 19.1 Lubricating oil insert (DAAE083974) Engine Dimensions [mm] Weight [kg] W 6L34DF 369.4 W 9L34DF 1140 369.4 W 12V34DF 1338 479.4 W 16V34DF 1338 479.4 Table 19.2 Charge air cooler insert (DAAE083974) Engine Dimensions [mm] Weight [kg]...
  • Page 171 Product Guide 19. Transport Dimensions and Weights Figure 19.4 Major spare parts (DAAE083973) Item no Description Weight [kg] Item No Description Weight [kg] Connecting rod 153.5 Starting valve 11.5 Piston Main bearing shell Cylinder liner Split gear wheel Cylinder head Small intermediate gear Inlet valve Large intermediate gear...

  • Page 172: Product Guide Attachments

    Product Guide 20. Product Guide Attachments 20. Product Guide Attachments This and other product guides can be accessed on the internet, from the Business Online Portal at www.wartsila.com. Product guides are available both in web and PDF format. Drawings are available in PDF and DXF format, and in near future also as 3D models.

  • Page 173: Annex

    Product Guide 21. ANNEX 21. ANNEX 21.1 Unit conversion tables The tables below will help you to convert units used in this product guide to other units. Where the conversion factor is not accurate a suitable number of decimals have been used. Table 21.1 Length conversion factors Table 21.2 Mass conversion factors Convert from...
  • Page 174 Product Guide 21. ANNEX 21.2 Collection of drawing symbols used in drawings Figure 21.1 List of symbols (DAAE000806c) Product Guide Wärtsilä 34DF - 3/2012...
  • Page 176 Wärtsilä is a global leader in complete lifecycle power solutions for the marine and energy markets. By emphasising technological innovation and total efficiency, Wärtsilä maximises the environmental and economic performance of the vessels and power plants of its customers. Wärtsilä is listed on the NASDAQ OMX Helsinki, Finland. WÄRTSILÄ...

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