erensan° erensan° “The Heating Engineer” “The Heating Engineer” General ................. 36 Taking the boiler out of operation ........ 36 Discharging ..............37 CONTENTS: Inspection and maintenance preparation ..... 38 Inspection and maintenance of internal surfaces ..39 FEATURES ....7 Inspection of the outer surfaces and other parts..39 THE APPLIED DIRECTIVES AND STANDARDS ....7 Cleaning of internal surfaces ........
erensan° erensan° “The Heating Engineer” “The Heating Engineer” INTRODUCTION FEATURES OF e r e n s a n° BRAND BOILERS “the heating engineer” • ESB type boilers are 3-pass boilers. The radiation created by the 1 pass in the combustion room and the convection and conduction created by the 2 and 3 passes through the smoke pipes are transferred to water...
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erensan° erensan° “The Heating Engineer” “The Heating Engineer” - 9 – - 10 – 280111 280111...
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erensan° erensan° “The Heating Engineer” “The Heating Engineer” Flame inspection system Front door Water level electrode nozzle Safety valve nozzle Indicator nozzle Manhole Steam outlet nozzle Air pipe Eyebolt Excess pressure lid Chimney outlet Water level bottle Foot group Bottom blowdown nozzle Burner connection flange Bottom mud blowdown nozzle Water level upper connection nozzle...
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erensan° erensan° “The Heating Engineer” “The Heating Engineer” BOILER DIMENSIONS FOR DIFFERENT BOILER TYPES BOILER OPERATING PERSONNEL The personnel to be charged with boiler operation are responsible for intervention in case of any emergency. For this TYPE Capacity kg/h 1000 1.250 1.500 2.000...
erensan° erensan° “The Heating Engineer” “The Heating Engineer” The slider system bolts should be loosened to enable system • A level control device that stops the burner when water functioning. level is excessively low. The mechanical connections of the boiler should comply with •...
erensan° erensan° “The Heating Engineer” “The Heating Engineer” A suitable burner should be selected, which conforms to the COMBUSTION CHAMBER DIMENSION capacity and efficiency of the boiler and the counter pressure of the boiler. When ordering a boiler, the related sales personnel should be informed about the burner selected to enable the design of connection flange to suit the burner.
erensan° erensan° “The Heating Engineer” “The Heating Engineer” BEFORE OPENING FRONT DOOR, SHUT THE BURNER AND DISCONNECT BURNER POWER! FUEL HARDWARE In a boiler operation, fuel hardware is quite important. Different burner hardware exists for various fuels. Automatic systems are also used fuel...
erensan° erensan° “The Heating Engineer” “The Heating Engineer” heaters, fuel oil leakage to steam side should be checked. To during combustion. Otherwise, the real conditions in the burner understand this, the oil pump should be run and by using the (such as the real value of the fuel feed pressure) cannot be pump safety valve or the first valve after the heater outlet on monitored.
erensan° erensan° “The Heating Engineer” “The Heating Engineer” • In cold climate regions, required measures should be leakage detector device in the boiler room and an taken to prevent boiler and condenser tank water automatic fuel cut-off system on the main inlet. temperature dropping to freezing temperature.
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erensan° erensan° “The Heating Engineer” “The Heating Engineer” have been made and faultless operation status of the system Operating and first start should have been provided. • Check system and boiler connections. • Fill boiler with chemically suitable water up to the After making sure all discharge and release valves, level indicator required level.
erensan° erensan° “The Heating Engineer” “The Heating Engineer” obtained, improvement procedures should be performed comply with standards should be used and support may be under control of expert water chemists. Our company requested from our company on armature selection. should be consulted on these topics. Burner capacity adjustment should be made by the relevant •...
erensan° erensan° “The Heating Engineer” “The Heating Engineer” Water level control In boilers with automatic water level control, if water level drops or rises excessively, the system should be taken out of During boiler operation, water level should be kept at desired automatic control and water level should be put in manual value for as constantly as possible.
erensan° erensan° “The Heating Engineer” “The Heating Engineer” Foam control pressure or temperature should be removed after burner is shut and pressure drops. When foam formation occurs manifesting itself with fluctuations in water level and unexplained drops in steam temperature, During high volume blowdowns, the shutting valve should be steam draught should be reduced to restore constant water opened slowly to its end and then blowdown should be started...
erensan° erensan° “The Heating Engineer” “The Heating Engineer” Feedwater pumps Before boiler feed pumps are put in operation, the protective substances applied to shiny external surfaces by manufacturers for protection purposes should be cleaned off. Pump suction is BOILER HARDWARE OPERATING, INSPECTION AND checked and water feed provided.
erensan° erensan° “The Heating Engineer” “The Heating Engineer” gases collected in the furnace and chimney channels should be Inspection and maintenance preparation purged out. • The boiler is stopped, cooled and discharged for inspection and maintenance. Whether a check-valve exists or not in the boiler outlet, the shutting valve at the steam outlet should be tightly closed after •...
erensan° erensan° “The Heating Engineer” “The Heating Engineer” voltages should be preferred and electricity connection should be controlled to see if dislocations and bends work should be done outside the boiler. exist. • Water level glass and position should be inspected to Inspection and maintenance of internal surfaces see if dislocations exist •...
erensan° erensan° “The Heating Engineer” “The Heating Engineer” If red or black iron oxide stains exist in locations with blowholes, these have formed due to neutral or alkaline character of the boiler water. If there is excessive heat in regions, the boiler water is in contact with metal parts and water circulation is not sufficient, Deposits they develop blowholes or pitting.
erensan° erensan° “The Heating Engineer” “The Heating Engineer” • Burner combustion settings should be good. Burner existing in the boiler water. The foam forming as a result of this adjustment should be performed by authorized burner may rise and be dragged along with steam. services with Chimney Gas Analyzer.
erensan° erensan° “The Heating Engineer” “The Heating Engineer” • Checking the conformance of the selected burner and BOILER WATER SPECIFICATION burner nozzle with boiler capacity, • During initial operation in the morning, giving way to steam after all pipe lines reach operating pressure, •...
erensan° erensan° “The Heating Engineer” “The Heating Engineer” Maximum acceptable boiler water conductivity depending on the pressure Boiler feedwater conductivity should be>30 µS/cm. - 47 – - 48 – 280111 280111...
erensan° erensan° “The Heating Engineer” “The Heating Engineer” Maximum silicate (SiO ) quantity acceptable in boiler INSTALLATION CIRCUIT DIAGRAM water depending on the pressure A boiler installation diagram is given as an example. An installation according to the needs of the operation and the characteristics of the process where the steam is utilized should be setup.
erensan Pressure switch Manometer Safety valve Water level gage Water feed device Level electrode Water coming from the condenser tank Thermometer Motor Pump Steam Outlet Air pipe Feed water Inlet Surface blowdown Level bottle discharge valves Bottom blowdown BOILER LIFE SPAN Hot water boilers’...
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