Method and apparatus for improving utilization of fuel values of

Details Method and apparatus for improving utilization of fuel values of Method and apparatus for improving utilization of fuel values of

1989-08-25

1991-05-14

Yuen, Henry C.

Liquid heaters and vaporizers

Miscellaneous

110245, 110l06, F22B 102, F23K 302

Patent

active

050146513

ABSTRACT:
Where as-mined coal or a washed coal derived therefrom is burned in a pulverized coal-fired boiler, improvements both in the utilization of the overall fuel values of the as-mined coal and in the operating efficiency of the boiler are obtained by installing a fluid bed combustor in the same combustion chamber as the pulverized fuel burner system of the boiler, and preferably below the burner system, and supplying as the fuel to the combustor a fuel comprising coal washery tailings preferably mixed with high ash solid washery residue.

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patent: 4749133 (1988-06-01), Sayler et al.
patent: 4796546 (1989-01-01), Herstad et al.

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