Feed water heater

Details Feed water heater Feed water heater

1998-11-25

2000-08-01

Lazarus, Ira S.

Heat exchange

With first fluid holder or collector open to second fluid

Separate external discharge port for each fluid

165114, 165DIG207, F28B 300, F28B 910

Patent

active

060952385

ABSTRACT:
A feed water heater has a longitudinally cylindrical body comprising a cylindrical shell portion constituting a main body portion of a feed water heater and a water box-shaped chamber operatively connected to the cylindrical shell portion and partitioned by a tubesheet. In the cylindrical shell portion, a heat exchanger tube bank is arranged and supported by a plurality of support plates, a drain cooling section is disposed in association with the heat exchanger tube bank for carrying out a heat recovery of a drain generated in the heat exchanger tube bank, a dilution condensing chamber is provided for the heat exchanger tube bank and adapted to excessively flow the steam into the heat exchanger tube bank, and a non-condensable gas chamber is provided for the heat exchanger tube bank. The drain cooling section, the dilution condensing chamber and the non-condensable gas chamber are arranged axially in this order in the cylindrical shell from the tube sheet.

REFERENCES:
patent: 1543677 (1925-06-01), Mallory
patent: 1745857 (1930-02-01), Lucke
patent: 2756028 (1956-07-01), Byerley
patent: 2995341 (1961-08-01), Danesi
patent: 3407873 (1968-10-01), Ryall
patent: 3938588 (1976-02-01), Coit et al.

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