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How a coal power station works?

Tuesday, November 11, 2008

PURGING TO AVOID FURNACE EXPLOSION

BEFORE EVERY LIGHT UP OF BOILER PURGING IS EXTREMELY NECESSARY TO AVOID FURNACE XPLOSION DUE TO ACCUMULATION OF UNBURNT FUEL IN FURNACE.IN PURGING I.D.FAN AND F.D.FAN IS KEPT RUNNING ON ATLEAST 30%LOAD SO THAT ALL UNBURNT FUEL ACCUMULATED IN FURNACE MAY BE ESCAPED FROM CHIMNEY.

THERMAL POWER PLANT TRAINING TIPS

TRAINING TO THERMAL POWER PLANT EMPLOYEE IS NECESSARY FOR SAFE AND EFFICIENT OPERATION.

IN THERMAL POWWER PLANT OPERATORS ARE DEPUTED ON AUXILIARIES FOR OPRERATION AND MONITORING.

BEFORE RUNNING ROTARY AUXILIARY SUCH AS INDUCED DRAUGT FAN ENSURE ITS SUCTION,DISCHARGE DAMPER INLET REGULATING VAVE KEPT CLOSED OR IN MINIMUM POSITION SO THAT ITS RUN ON NO LOAD TO SAVE ITS MOTOR FROM OVERLOADING DUE TO HEAVY STARTING CURRENT.

ONE LUB OIL MUST BE RUNNING AND RESERVE PUMP MUST BE ON AUTO.LUB OIL AND COOLANT FLOW MUST BE NORMAL.

AFTER CHECKING ABOVE POINTS INFORM CONTROL ROOM TO START IT.

AFTER STARTING CHECK VIBRATION,TEMPERATURE ABNORMAL NOISE.IF EVERYTHING IS NORMAL OPEN SUCTION DISCHARGE DAMPER.


FOR CHARGING ANY STEAM WATER LINE ENSURE ITS AIR VENTS AND DRAIN MUST BE OPEN TO AVOID HAMMERING ETC


FOR CHARGING ANY ELECTRICAL AUXILIARIES FIRST OF ALL CLOSE ITS ISOLATOR THEN CLOSE ITS BREAKER.FOR CLOSING ELECTRICAL AUXILIARIES FIRST OF ALL OPEN ITS BREAKER THEN ITS ISOLATOR.