Power plants – Motive fluid energized by externally applied heat – Process of power production or system operation
Patent
1976-08-20
1977-10-25
Ostrager, Allan M.
Power plants
Motive fluid energized by externally applied heat
Process of power production or system operation
60657, 60692, F01K 1900
Patent
active
040550486
ABSTRACT:
Condensate purification such as demineralization, filtration or sterilization for use in a power plant of the type having at least one main condenser with a hot well as part of the steam cycle and in which the condenser is connected to receive steam from a turbine generator and the hot well is connected to discharge to a main condensate pump. Purification of the condensate is executed with improved method and apparatus comprising a side stream demineralization system. The improvement includes a baffle mounted within said main condenser defining an upstream portion of the condenser on one side of the baffle and a downstream portion of the condenser on the other side of said baffle. The condenser hot well is located on the downstream side of the baffle. A passageway is defined over the baffle for flowing fluid therethrough to the hot well. The passageway includes a weir cooperatively disposed therewith on the upstream side of the baffle to hold back a pool of fluid from flowing through the passageway. Apparatus for water purification comprising demineralizers is spaced apart from the condenser. A first pipe connects said pool of fluid with the purification apparatus. A pump is connected with the first pipe for causing fluid flow through the purification apparatus. A second pipe is provided for connecting the water purification apparatus with said pool for recirculating water back to the pool for further purification. A third pipe connects said purification apparatus with the downstream side of the baffle so that the condensate water can reach said hot well. Optionally the condensate can be reheated while flowing towards the hot well.
REFERENCES:
patent: 3336747 (1967-08-01), Applebaum
patent: 3572036 (1971-03-01), Beckman
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