Heat exchange – With first fluid holder or collector open to second fluid – Separate external discharge port for each fluid
Patent
1978-06-23
1980-09-30
Richter, Sheldon
Heat exchange
With first fluid holder or collector open to second fluid
Separate external discharge port for each fluid
122441, 165160, 165DIG24, F28B 910, F28D 106, F28D 706, F28F 922
Patent
active
042249813
ABSTRACT:
A feed-water preheater for a steam power plant is disclosed. Feed-water at a relatively low temperature is conducted through bundles of heater tubes in heat exchange relation with steam from the turbine. The heater tubes are arranged in a U-shaped bundle, with one leg of the U serving as the cold inlet side and the other leg of the U serving as the warm outlet side of the heat exchanger. A partition extends lengthwise of the heater tubes between the legs and the U-shaped bundle. The steam inlet is located at the warm outlet side of the tubes and the housing forms a steam chest around the tubes. Deaerating pipes are provided on each side of the partition in the center of the bundle of heater tubes with openings spaced along the length of the deaerating pipes for receiving the noncondensable gases from the steam, and to draw off the gases through the deaerating pipes.
REFERENCES:
patent: 1764716 (1930-06-01), Ehrhart
patent: 2180840 (1939-11-01), Tuley et al.
patent: 3349841 (1967-10-01), Stoker
patent: 3795273 (1974-03-01), Brigida et al.
patent: 3938588 (1976-02-01), Coit et al.
Datz Rudolf
Riegger-Dreher Helena
BBC Brown Boveri & Company Limited
Richter Sheldon
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