Feedwater control for drum type steam generators

Details Feedwater control for drum type steam generators Feedwater control for drum type steam generators

1992-01-22

1992-09-22

Favors, Edward G.

Liquid heaters and vaporizers

Feeders

Automatic

F22D 526

Patent

active

051487756

ABSTRACT:
An improved feedwater control for drum type steam generators is provided in order to gain improved drum level control for drum type steam generators which are subjected to great load changes at high rates of change. The control system accounts for changes in the mass inventory within the circulation lop by monitoring and adjusting to changes in steam flow and drum pressure. Thus, during load changes, the drum level will remain constant.

REFERENCES:
patent: 3417737 (1968-12-01), Shinskey et al.
patent: 4242989 (1981-01-01), Chamberlain
patent: 4619224 (1986-10-01), Takita et al.

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