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Table of Contents
Related Manuals for Bosch CHP CE 240 NE
Summary of Contents for Bosch CHP CE 240 NE
- Page 1 Technical guide System solution 4-draught steam boiler and CHP with MEC system...
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Page 2: Table Of Contents
General ......5 Bosch CHP for external waste heat use . . 6 2.2.1 Description CHP CE ... NE ... . . 6 2.2.2 Technical data . -
Page 3: Combined Heat And Power (Chp)
For the combination of a 4-draught steam boiler series planning, calculation, economic viability and quotation. UL-S by Bosch Industriekessel GmbH and a CHP system by Bosch KWK Systeme GmbH, different system hydraulics are proposed in this document and their planning and execution is described ( chapter 3.4,... -
Page 4: Features And Benefits
– Tuned and certified safety equipment • Low consumption of primary energy compared to conventional, separated production of current, steam – All flue gas temperatures from the Bosch CHP and heat module are securely attained, also in partial load • Is gentle on the environment: Saves CO... -
Page 5: System Components
CHP module and 4-draught steam boiler and 4-draught steam boiler should be effected by the and optimally integrates is in the compete energy Bosch control system MEC system. production system on site. 6 720 819 535-01.1T Fig. 1... -
Page 6: Bosch Chp For External Waste Heat Use
• CHP CE ... NE with an output range to 400 kWel. following output ranges: based on the approved Bosch CHP modules CHP CE • 600 kW • CHP CE ... NE in the output range 600 ... 2000 kW •... -
Page 7: Technical Data
Available flue gas mbar back pressure Flue gas back mbar pressure boiler Flue gas limit values mg/m i.N. mg/m i.N. NMHC mg/m i.N. Table 1 Specifications CHP CE 240 NE ... CHP CE 1200 NE Systemlösung – 6 720 885 509 (2018/03) -
Page 8: Operation Conditions Chp
System components Unit CHP CE 1287 NE CHP CE 1560 NE CHP CE 1718 NE CHP CE 1999 NE CHP CE 2000 NE GenSet Gas category – Natural gas Natural gas Natural gas Natural gas Natural gas Power consumption 2974 3629 3991 4666... -
Page 9: 4-Draught Boiler System
System components 4-draught boiler system 2.3.1 Description of 4-draught boiler system The basis of a 4-draught steam boiler is a 3-draught (in the design for external flue gas utilisation) are lead boiler from which a part of the smoke tubes is through this separate smoke tube field, the so-called separated. -
Page 10: Technical Data
System components 6 720 819 535-04.1T Fig. 4 Overview UNIVERSAL steam boiler Inspection aperture on the flue gas side 2.3.2 Technical data Flue gas connecting branch Unit UNIVERSAL Inspection aperture on the flue gas side steam boiler Pressure indicator (with test function) Type –... -
Page 11: Dimensions And Connections
System components 2.3.3 Dimensions and connections 6 720 819 535-05.1T Fig. 5 Dimensions and connections UNIVERSAL steam boiler UL-S Unit UL-S 1250 UL-S 2000 UL-S 2600 UL-S 3200 UL-S 4000 UL-S 5000 UL-S 6000 UL-S 7000 UL-S 8000 Dimensions 4850 4653 4972 5927... - Page 12 System components Unit UL-S UL-S UL-S UL-S UL-S UL-S UL-S UL-S UL-S 10000 12000 13000 14000 16000 17000 18000 22000 28000 Dimensions 8369 9007 9008 8674 9854 9920 9944 9610 9868 2)3) 6860 7265 7446 7456 8286 8286 8286 8705 8955 5550 5800...
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Page 13: Mec System - Overview
• Using MEC remote, the user has the opportunity to integration of Bosch devices, it allows for integration access the local system from the Internet via a safe of existing and third-party products. -
Page 14: Further Options For Waste Heat Use/Peak Load Boiler
A bypass already exists in the waste heat boiler. 6 720 819 535-11.1T Fig. 6 Bosch waste heat boiler HRSB 6 720 819 535-12.1T Fig. 7 Simplified function diagram Bosch waste heat boiler HRSB and CHP (simplified depiction) Flue CHP module Water/condensate Flue bypass Steam Chimney... -
Page 15: 3-Draught Waste Heat Boiler For Use Of Waste Heat Only
3-draught waste heat boiler can be used for waste heat utilisation only. 6 720 819 535-13.1T Fig. 8 Bosch 3-draught waste heat boiler 2.5.3 System extension with peak load boiler If the motor waste heat provided by the CHP module is... -
Page 16: Engineering Information And Sizing
Engineering information and sizing Engineering information and sizing Basic principles Internal power consumption A CHP module creates high-temperature heat, low- 3.1.1 Economic viability temperature heat and current. The economic viability of a system combined of CHP The current of the CHP system can be used for internal with waste heat use in a 4-draught steam boiler is an power consumption or can be supplied to the public important criterion for making decisions on investment... -
Page 17: Technical System Data
Engineering information and sizing 3.1.3 Technical system data In the following, the maximum and minimum system from a technical point of view a 4-draught steam boiler parameters are summarised in an clearly arranged table. or a CHP module should be used. Using the table, you will get a quick overview whether Medium System parameters... -
Page 18: Pre-Dimensioning
Engineering information and sizing Pre-dimensioning Estimate sizing of CHP module The waste heat performance in the steam boiler from the During a first planning phase, an estimate design of the CHP module must not exceed maximum 20 %. important system parts, a cost estimate and a preliminary consideration of economic efficiency are Estimate of elapsed time crucial.Important functional principles have to be... -
Page 19: Evaluation Of Economic Viability
Engineering information and sizing 3.2.3 Evaluation of economic viability In the following assessment of economic viability, the increase. The costs are individually calculated for fuel, calculation is based on a runtime of approx. 5,300 h/a current, cost allocation and refunds as well as for for steam boiler and CHP module. -
Page 20: Integration Of 4-Draught Steam Boiler
Engineering information and sizing 3.2.4 Integration of 4-draught steam boiler The integration of a 4-draught steam boiler is effected via the flue of the CHP module. Here, 2 versions have to be distinguished. 4-draught steam boiler with bypass By installing a bypass, an operation independently of the The bypass operation should only be used CHP module is possible. - Page 21 Engineering information and sizing 4-draught steam boiler without bypass If a system is installed without bypass, the entire flue gas also the CHP module have to be shut down, to prevent mass flow rate of the CHP module is led via the fourth further increase of the boiler pressure.
- Page 22 Engineering information and sizing Additional Economiser (ECO) Due to the precise separation on the steam gas side always passed through first. Due to the feed water between burner side and waste heat side, a further control valve with pump freewheel function between increase in efficiency can be obtained with the 4-draught both economisers, part of the feed water can be led steam boiler by implementing a second economiser.
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Page 23: Sizing Of Key Components
20 % of the total output. Higher performance of the fourth draught is possible, but must be checked precisely by Bosch Industriekessel GmbH. In this case please contact the responsible sales person. Systemlösung – 6 720 885 509 (2018/03) -
Page 24: Sizing Of Chp Module
Engineering information and sizing 3.3.2 Sizing of CHP module The heated water can be used for: A Bosch CHP module for waste heat use generally • Building heating consists of a gas engine, a three-phase generator and a • DHW heating heat exchanger system. - Page 25 Engineering information and sizing Overview Steam amount/waste heat performance – boiler type/CHP 1250 kg/h ... 12000 kg/h Amount of steam incl. own use of boiler (burner + waste heat performance) in [kg/h] Unit 1250 2000 2600 3200 4000 5000 6000 7000 8000 10000...
- Page 26 Amount of steam incl. own use of boiler (burner + waste heat performance) in [kg/ Unit 13000 14000 16000 17000 18000 22000 28000 CHP CE 240 NE Waste heat kg/h – performance Waste heat, proportional CHP CE 400 NE Waste heat kg/h –...
- Page 27 Engineering information and sizing Overview CHP/boiler combinations 1250 kg/h ... 12000 kg/h Amount of steam incl. own use of boiler (burner + waste heat performance) in [kg/h] 1250 2000 2600 3200 4000 5000 6000 7000 8000 10000 12000 CHP CHP CE ... 240 NE 240 NE 240 NE...
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Page 28: Demand For Useful Energy For
Engineering information and sizing 13000 kg/h ... 28000 kg/h Amount of steam incl. own use of boiler (burner + waste heat performance) in [kg/h] 13000 14000 16000 17000 18000 22000 28000 CHP CHP CE ... 240 NE 240 NE 240 NE 240 NE 240 NE 240 NE... - Page 29 Engineering information and sizing A [l/h] B [%] 20 000 15 000 10 000 5 000 5 000 10 000 15 000 20 000 C [kg/h] 6 720 819 535-17.1T Fig. 14 Make-up water preheating Make-up water preheating Ratio make-up water/steam amount Performance steam boiler CHP 240 NE CHP 400 NE...
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Page 30: Safety Equipment
All documents and licences required for receiving a TÜV For connecting the bypass function ( chapter 3.4.1, certification exist and are provided by Bosch. Bosch page 34) a functionality has been defined by the German provides during quotation phase a P&ID (piping and Technical Control Board TÜV that is described in the... - Page 31 MEC System continously controls the annual efficiency The interfaces between MEC system and the unit and prevents a falling below the entered limit. In controllers are automatically configured by Bosch. consequence, the maximum CHP runtime without falling below the required annual efficiency is possible.
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Page 32: Flue System
• oBIX or valves. • Analogue/digital inputs and outputs Bosch supplies system flues which are tailored to CHP All data points in the system can be provided via the modules. For CHP modules, a state-of-the-art flue interface. The available data points depend on the system suitable for pressure class H1 (test pressure controlled devices and control functions. - Page 33 Engineering information and sizing Sizing of key flue system from CHP The total resistance of the flue system is the total of the The most important parameter for sizing the flue system, individual resistances in the pipework. Any rear silencers apart from the flue gas mass flow rate and the flue gas planned (secondary exhaust gas silencer, accessories) temperature, is the permissible flue gas back pressure.
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Page 34: System Design
This shall simplify design controls of the CHP and to the 4-draught boiler by and planning of these system solutions. Bosch. Furthermore, it is possible, when using the MEC system, In the standardised hydraulics the required sensors, to adhere to a seasonal efficiency of minimum 70 % of pumps and valves are already marked. - Page 35 Engineering information and sizing Functional description for system hydraulics with bypass Priority for designing a CHP, is always the low temperature side. If the CHP shall be operated, is has to be ensured that also the waste heat from the motor coolant circuit on the low temperature level can be used or that an emergency cooling is integrated in the CHP.
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Page 36: Hydraulics Without Bypass
Engineering information and sizing 3.4.2 Hydraulics without bypass ECO2 ECO1 6 720 819 535-19.1T Fig. 18 System hydraulics 4-draught steam boiler and CHP module without bypass CHP module without internal flue gas heat exchanger 4-draught boiler system with burner Water service module Buffer cylinder for waste heat of engine coolant ECO1 Flue gas heat exchanger first ... - Page 37 Engineering information and sizing Functional description for system hydraulics without bypass The main difference of the system in figure 18 compared to the system in figure 17, page 34 is that there is not bypass parallel to the fourth draught. The bypass can by omitted for certain power unit constellations or on customer request.
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Page 38: Installation
CHP and steam boilers. For steam boilers, read the components. Technical Information TI 024 “Requirements of the Installation example 6 720 819 535-20.1T Fig. 19 Installation example combination CHP CE 240 NE and UL-S 1250 Systemlösung – 6 720 885 509 (2018/03) - Page 39 Engineering information and sizing 1,35 5,00 5,00 6,00 6 720 819 535-21.1T Fig. 20 Installation example, floor plan, views (dimensions in m) Systemlösung – 6 720 885 509 (2018/03)
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Page 40: System Solution: 4-Draught Steam Boiler With 4 Appendix
Appendix Appendix List of components Supplier Bosch Item Description Boiler External Steam boiler (KG 420) Boiler system 1.1.10 Steam boiler UL-S ..., 4-draught 1.1.20 Flue gas heat exchanger ECO stand-alone with flue gas damper Pressure maintenance, backfeed, deaerating 1.2.10 Water service module 1.2.20... -
Page 41: Further Technical Documents
4.1.10 Control cabinet for all components 4.1.20 Higher level control MEC Control 4.1.30 Bosch CHP control 4.1.40 Bosch steam boiler control 4.1.50 Superordinate sequential control (further CHP or steam boilers) 4.1.60 Superordinate emergency stop chain Other Extra works 5.1.10 Commissioning 5.1.20... -
Page 42: Keyword Index
Keyword index Keyword index Numerics 3-draught waste heat boiler........15 Operation conditions........... 8 4-draught steam boiler Description .............. 9 Dimensions and connections......... 11 Peak load boiler............14 Function diagram............. 5 Function diagram ..........14–15 Integration with bypass ......... 20 Integration without bypass ........21 Overview.............. - Page 43 Notes Systemlösung – 6 720 885 509 (2018/03)