Internal moisture separation cycle for a low pressure turbine

Details Internal moisture separation cycle for a low pressure turbine Internal moisture separation cycle for a low pressure turbine

1992-08-14

1995-01-03

Davis, Jr., Albert W.

Power plants

Motive fluid energized by externally applied heat

Power system involving change of state

60679, 60691, 165113, F01K 716, F28B 102

Patent

active

053774892

ABSTRACT:
A steam turbine system including a low pressure (LP) turbine has a plurality of moisture extraction points at which a steam-water mixture is extracted and passed through a respective one of a corresponding plurality of heat exchangers. Each exchanger passes the steam-water mixture in heat exchange relationship with feedwater in a feedwater conduit. A low pressure and low temperature final stage extraction point on the steam turbine is coupled to a condenser, and water collected at the condenser is directed into the feedwater conduit. The system separates at least some of the steam in the steam-water mixture from the final stage extraction point and passes this steam in heat exchange relationship with water in the feedwater conduit.

REFERENCES:
patent: 2114873 (1938-04-01), Coulson, Jr.
patent: 2188194 (1940-01-01), Smith
patent: 3178891 (1965-04-01), Lawrance
patent: 3390722 (1968-07-01), Kotelewsky
patent: 4541366 (1985-09-01), Lang et al.
patent: 4635588 (1987-01-01), Ledoux

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