System for routing preseparator drains

Details System for routing preseparator drains System for routing preseparator drains

1988-10-05

1990-02-20

Ostrager, Allen M.

Power plants

Motive fluid energized by externally applied heat

Having apparatus cleaning, sealing, lubricating, purging,...

60646, F01K 1700

Patent

active

049015320

ABSTRACT:
Apparatus for inhibiting flashing of preseparator drain liquid in a steam turbine system includes a pump in the form of an eductor for pumping liquid extracted from exhaust steam between a collection tank and a moisture separator drain tank. The eductor performs the dual function of pumping while cooling the liquid to provide greater differential between the liquid temperatures and the flash point. The apparatus includes controls for preventing flooding and emptying of the collection tank. Further apparatus is provided to cool the liquid in the collection tank by spray water obtained from a lower temperature cycle point.

REFERENCES:
patent: 3320729 (1967-05-01), Stahl
patent: 4527396 (1985-07-01), Silvestri, Jr.
patent: 4622819 (1986-11-01), Draper et al.
patent: 4803841 (1989-02-01), Hargrove et al.
Dr. Peter von Boeckh et al.; "Moisture Separator and Cycle Efficiency Improvements by Installing Moisture Preseparators"; ASME Journal; pp. 1-6, (no date).

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