F - Mech Eng,Light,Heat,Weapons – 22 – D
Patent
F - Mech Eng,Light,Heat,Weapons
22
D
122/23
F22D 5/28 (2006.01) F22D 11/00 (2006.01) F22D 11/06 (2006.01)
Patent
CA 1120798
METHOD AND APPARATUS FOR FEEDING CONDENSATE TO A HIGH PRESSURE VAPOR GENERATOR ABSTRACT A mechanical arrangement to reduce drastically the energy consumption for pumping condensate to feed high pressure vapor generators for power generation, industrial processing, and heating systems. Involved is a method to pump the con- densate into one condensate receiver located at the suction side of the condensate feed pump, and to bleed high pressure vapor from the vapor generator into the condensate receiver for imposing a pressure head upon the condensate therein to be approximately the same as that in the generator, and thus the pressure difference between the suction side and the discharge side of the pump is drastically reduced while pumping the condensate into the generator, with the result that the energy consumption of the pump is also drastically reduced. The receiver is full of high pressure vapor while the condensate therein is drained by the pump, and the high pressure vapor means energy. Further new methods are involved to reduce the vapor pressure in the receiver by returning the vapor to the system or to utilize it, as disclosed in the application. Generally speaking, at least two closed receivers operated in series are required for the method of restoring the vapor in the receivers to the generator after the condensate is pumped into the generator. The invented receivers are also designed for condensate healing with almost no energy consumption.
313271
Chen Thomas Y. C.
Smart & Biggar
LandOfFree
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