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Power Plant Instrumentation and Control Handbook by Ajay Kumar Debnath, Swapan Basu

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5. Boiler Feed Pump and Condensate Extraction Pump with Associated Measurements

Modern large thermal power plants have more or less five (5) fundamental elements, as shown earlier in Figure I/2-1, and boiler feed pump (BFP) may be considered to be the same as the heart in the human body. BFPs and CEPs are actually doing the same function in a combined way. The condensate extraction pump is used to do the initial part that draws the condensate under vacuum from the condenser hot well with some positive pressure at the discharge. This water, after passing through several heaters and deaerators, reaches the suction of the BFP that is used to pump water at a very high pressure. It sends the water to the boiler after it passes through a number of HP ...

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