Method of and apparatus for regulating steam and hot water boile

Details Method of and apparatus for regulating steam and hot water boile Method of and apparatus for regulating steam and hot water boile

1977-10-12

1979-01-30

Sprague, Kenneth W.

Liquid heaters and vaporizers

Miscellaneous

110347, 110263, F22B 102, F23D 1902

Patent

active

041366425

ABSTRACT:
The heating power of the fire box of a boiler burning powdered fuel maintained in suspension by fluidizing air is regulated in dependence on the temperature of the burning fluidized fuel layer by means of a heat transmitting system filled with a liquid medium, a first part of the heat transmitting system being embedded in the burning fluidized fuel layer, a second part of such system being disposed in the boiler drum, and a third part of the system being disposed within the fluidizing air supply. The heat transmitting liquid which is heated by its flow through the first part of the heat transmitting system selectively transmits heat to either the second or the third part of the system whereby to regulate the heat output of the boiler.

REFERENCES:
patent: 3805715 (1974-04-01), Keller
patent: 3921590 (1975-11-01), Mitchell et al.
patent: 3924402 (1975-12-01), Harboe
patent: 4072130 (1978-02-01), Zenz

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