Boiler control

Details Boiler control Boiler control

1983-11-18

1985-02-05

Favors, Edward G.

Liquid heaters and vaporizers

Feeders

Automatic

122414, 122504, 236 14, F22D 526

Patent

active

044972830

ABSTRACT:
The control of the actual liquid level in a boiler is accomplished by using the flow rate of the fuel to the combustion system associated with the boiler to generate a signal which is utilized to bias a control signal generated in response to steam flow rate and the output from a conventional level controller in such a manner that swell and shrink caused by changes in fuel flow rate is compensated for and the desired liquid level is maintained in the boiler.

REFERENCES:
patent: 3042007 (1962-07-01), Chien et al.
patent: 3284615 (1966-11-01), Yetter
patent: 3417737 (1968-12-01), Shinskey et al.
patent: 3545207 (1970-12-01), Barber et al.
patent: 3908897 (1975-09-01), van Holtz et al.
patent: 4003342 (1977-01-01), Hodgson
patent: 4023537 (1977-05-01), Carter, Sr. et al.
patent: 4064699 (1977-12-01), Martz
patent: 4242989 (1981-01-01), Chamberlain
patent: 4457266 (1984-07-01), LaSpisa

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