Liquid heaters and vaporizers – Feeders – Automatic
Patent
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.
Edwards Robert J.
Favors Edward G.
Matas Vytas R.
The Babcock & Wilcox Company
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