BOILER FEED PUMP

DURING NORMAL RUNNING OF UNIT THE FEED PUMP HAS TO HANDLE HOT WATER RECEIVED FROM FEED WATER STORAGE TANK OF DEARATOR THROUGH ITS BOOSTER PUMP ENHANCING THE POSITIVE SUCTION PRESSURE AND HAS TO DELIVER THE HOT WATER UNDER HIGH PRESSURE TO BOILER DRUM THROUGH HIGH PRESSURE HEATERS AND ECONOMISER FROM STEAM GENERATION.THE FEED PUMP MAY BE TREATED AS THE HEART OF THE UNIT AND THEREFORE FULL ATTENTION IS TO BE PAID DURING ITS STARTING UP SHUTTING DOWN AND NORMAL RUNNING.FEED WATER DELIVERED BY THE FEED PUMP IS ALSO UTILISED IN THE PLANT FOR THE TEMPERATURE CONTROL OF AUXILIARY PRDS STEAM,FOR TEMPERATURE CONTROL OF SUPERHEATED STEAM AND FOR TEMPERATURE CONTROL OF REHEAT STEAM.