OPERATING PROCEDURE FOR BOILER

1.0 AIM
To lay down a standard operating procedure for Boiler.
2.0 SCOPE
Maintenance Department
3.0 AREA OF OPERATION
Boiler House.
4.0 RESPONSIBILITY
Operator/Maintenance Supervisor concerned.
5.0 ACCOUNTABILITY
Maintenance Incharge.
6.0 STARTING PROCEDURE: (BOILER)
6.1 Open the valves on water supply line and fuel supply line.
6.2 Put the electric main switch 'ON'.
6.3 Close the main steam valve and open the auxiliary steam valve.
6.4 Put the FILL switch 'ON' to fill up the coil and check the water is coming out from the auxiliary drain pipe.
6.5 Press FUEL CIRCULATION switch for about half a minute.
6.6 Put the FIRE switch ON. Check the BURNER ON Green lamp comes ON. If Heater gives a larm check the boiler trouble shooting problem, rectify it and then start the boiler again.
6.7 Observe the steam is coming out from the auxiliary valve drain pipe. Then stop the auxiliary valve and open main steam valve.
6.8 Check the following operating conditions of boiler during the operation.
a) Burner starts at steam pressure 6.0 Kg/cm_2_.
b) 6.8.2 Burner stops at steam pressure 7.0 kg/cm_2_.
c) 6.8.3 Low water level and high temperature indicator does not comes ON.
6.9 Note-down the operating conditions in the log-book.
7.0 STOPPING PROCEDURE OF BOILER
7.1 Close the steam stop valve. Pressure switch will cut off the boiler.
7.2 Put the FIRE switch off.
7.3 Open the coil blow-down valve full and blow-down the boiler, close the blow-down valve and open the auxiliary steam valve fully. Drain the economiser by keeping its drain valve open till clear water starts coming out.
7.4 Put the FILL switch ON to fill up the coil.
7.5 Put OFF electric main switch and close the outlet valves of soft water service tank and fuel oil service tank.
8.0 REFERENCE
FORMAT FOR DAILY LOG BOOK BOILER.
9.0 REVIEW DATE
After 2 years or when procedure is changed.