Deaerator level control

Details Deaerator level control Deaerator level control

1980-09-02

1982-08-24

Ostrager, Allen M.

Power plants

Motive fluid energized by externally applied heat

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

60660, F01K 1900

Patent

active

043454380

ABSTRACT:
In a power plant, a deaerator is a feedwater conditioning device which provides direct contact feedwater heating as well as providing for oxygen removal to inhibit corrosion. Under some conditions, called transients, rapid depressurization could occur in the deaerator which might result in damage to internal deaerator parts. By limiting the condensate flow into the deaerator, the rate of depressurization can be reduced. A control system is described which will react to a reduction in turbine load by reducing the flow of condensate to the deaerator.

REFERENCES:
patent: 3172462 (1965-03-01), Brunner
patent: 3250259 (1966-05-01), Profos
patent: 3417737 (1968-12-01), Shinskey et al.
patent: 3780705 (1973-12-01), Le Febve de Vivy
patent: 3803846 (1974-04-01), Letvin
patent: 4311013 (1982-01-01), Kuribayashi et al.

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