erensan°
“The Heating Engineer”
- 5 –
280111
CONTENTS:
FEATURES .................7
THE APPLIED DIRECTIVES AND STANDARDS ..................7
INTRODUCTION ..............................................................8
BOILER DIMENSIONS FOR DIFFERENT BOILER TYPES ..12
BOILER OPERATING PERSONNEL ..................................16
TRANSPORTATION AND TEMPORARY STORAGE ............16
Automatic lockout and protection hardware .................17
BURNER SELECTION AND INSTALLATION .....................18
COMBUSTION CHAMBER DIMENSIONS..........................20
FUEL SELECTION AND STORAGE ...................................22
FUEL HARDWARE ..........................................................22
Liquid fuel hardware.....................................................22
Gas fuel hardware.........................................................23
SAFETY RULES ..............................................................24
PREPARATION OF THE BOILER FOR OPERATION AND
FIRST FIRING ...............................................................26
Initial preparations.......................................................26
ADJUSTMENTS AND CONTROLS TO BE PERFORMED ......29
Control of safety valves ................................................30
Water level control .......................................................31
Foam control.................................................................33
Boiler feedwater control ...............................................33
Blowdown .....................................................................33
THINGS TO BE DONE IN EMERGENCY CONDITIONS ......34
Abnormally low water level ..........................................34
BOILER HARDWARE OPERATING, INSPECTION AND
MAINTENANCE RULES ...................................................35
Safety valves ................................................................35
Feedwater pumps .........................................................36
BOILER INSPECTION AND MAINTENANCE RULES..........36
erensan
°
“The Heating Engineer”
- 6 –
280111
General ......................................................................... 36
Taking the boiler out of operation ................................ 36
Discharging .................................................................. 37
Inspection and maintenance preparation ..................... 38
Inspection and maintenance of internal surfaces ......... 39
Inspection of the outer surfaces and other parts..........39
Cleaning of internal surfaces ........................................ 40
Deposits ....................................................................... 41
Deposits in the form of scales....................................... 41
Mud .............................................................................. 41
Corrosion ...................................................................... 41
Prevention of gas side corrosion................................... 42
Cracks and brittleness formed in steel parts................. 43
CHEMICAL SPECIFICATIONS OF BOILER FEEDWATER
AND BOILER WATER .................................................... 43
Deterioration of steam purity ....................................... 43
Effects of water dragging .............................................44
Checking of steam purity .............................................. 44
Measures to prevent water dragging ............................ 44
Sampling boiler feedwater, boiler water and stream .... 45
Boiler water chemical specifications............................. 46
Maximum acceptable boiler water conductivity
depending on the pressure ........................................... 48
Maximum silicate (SiO
2
) quantity acceptable in boiler
water depending on the pressure ................................. 49
INSTALLATION CIRCUIT DIAGRAM............................... 50
BOILER LIFE SPAN........................................................ 51
AUTHORIZED SERVICES................................................ 52
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