Steam condensation in steam turbine

Details Steam condensation in steam turbine Steam condensation in steam turbine

1996-01-22

1998-04-07

Kamen, Noah P.

Power plants

Motor having exhaust fluid treating or handling means

F01B 3116

Patent

active

057351252

ABSTRACT:
Drops of water in wet steam exiting a steam turbine are electrically charged. When exposed to a sufficiently strong electric field produced by suitably disposed electrodes (34,85), the electrically charged water drops disintegrate into numerous small droplets, which serve as nuclei for internal condensation. Supersaturation of the steam is decreased, thereby decreasing the amount of water in the vapor phase, the condenser pressure, and the turbine backpressure. Electrostatic forces acting upon the charged water droplets decrease turbulence in the wet steam flow, further decreasing backpressure. The result is an increase in energy conversion efficiency and power output at constant fuel rate. A method and device for providing this beneficial result are provided.

REFERENCES:
patent: 2333031 (1943-10-01), Miller
patent: 4206013 (1980-06-01), Dickey
patent: 4517805 (1985-05-01), Kals

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