Apparatus and method for generating steam

Details Apparatus and method for generating steam Apparatus and method for generating steam

1976-12-01

1978-02-07

Sprague, Kenneth W.

Liquid heaters and vaporizers

Miscellaneous

110 28J, F22B 102

Patent

active

040721302

ABSTRACT:
Steam is generated in a controlled manner as a function of the steam demand by way of a combustor adapted to burn a fuel such as high sulfur coal in a fluidized bed. The steam demand and the steam available to supply the demand are modulated to change the rate of production of steam as a function of controlling the fluidization of fuel beds and/or the height of fuel in the beds. Any fuel beds which are slumped are maintained at a temperature slightly above the flash point temperature of the fuel.

REFERENCES:
patent: 3687115 (1972-08-01), Bell
patent: 3696793 (1972-10-01), Bell
patent: 3904548 (1975-09-01), Fagan et al.
patent: 3924402 (1975-12-01), Harboe

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