Compact deaerator unit and feedwater system

Details Compact deaerator unit and feedwater system Compact deaerator unit and feedwater system

1996-07-31

1998-03-17

Chiesa, Richard L.

Gas separation: apparatus

Degasifying means for liquid

With control means responsive to sensed condition

95185, 95260, 96172, 96173, 96203, 96204, B01D 1900

Patent

active

057282005

ABSTRACT:
A compact deaerator unit used in combination with a boiler feedwater receiver to eliminate corrosion in the feedwater receiver and in other components of a boiler system. The deaerator unit is mounted external to the feedwater receiver for receiving makeup water and return condensate through a spray nozzle, the deaerator unit in one embodiment having a water level overflow supplying the feedwater receiver with deaerated water and a submerged steam supply and temperature control for maintaining water in the deaerator unit at deaeration temperature, with the water level overflow being separated from the spray nozzle by a baffle, the steam supplied to the deaerator unit first passing through the feedwater receiver to continuously purge the receiver of any corrosive gases and maintain a positive steam pressure.

REFERENCES:
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patent: 2671524 (1954-03-01), Gilwood
patent: 2677433 (1954-05-01), Kretzschmar
patent: 2689018 (1954-09-01), Kittredge
patent: 2845137 (1958-07-01), Sebald
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patent: 4698076 (1987-10-01), Bekedam
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patent: 5310417 (1994-05-01), Bekedam
patent: 5405435 (1995-04-01), Bekedam

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