System for recovering drain

Details System for recovering drain System for recovering drain

1985-09-30

1987-01-20

Makay, Albert J.

Liquid heaters and vaporizers

Feed heaters

Steam

60678, 122 1R, 122406R, F22D 128, F22D 132

Patent

active

046373500

ABSTRACT:
A system for recovering drain which recovers two or more flows or drain of different temperatures, which is applied to a generating plant provided with feed-water heaters in which drain is recovered into a condensation system downstream from a condenser through a drain tank by a drain pump and which comprises a high temperature recovered drain inlet, which is at high temperature and contains much flush steam, and a low temperature drain inlet. The high temperature recovered drain inlet is positioned at a lower part and the low temperature side drain inlet is positioned above the former. This system effects efficient degassing of drain which has high content of dissolved oxygen and efficient control of dissolved oxygen.

REFERENCES:
patent: 3277651 (1966-10-01), Augsberger
patent: 3842605 (1974-10-01), Tegtmeyer
patent: 4471618 (1984-09-01), Tratz et al.
patent: 4498301 (1985-02-01), Tsubouchi
patent: 4534320 (1985-08-01), MacArthur et al.
patent: 4561255 (1985-12-01), Silvestri, Jr.

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