Coal gasification process and apparatus

Details Coal gasification process and apparatus Coal gasification process and apparatus

1982-09-29

1983-11-29

Favors, Edward G.

Furnaces

With fuel treatment means

Means for liberating gas from solid fuel

48 77, 116185, F23G 500

Patent

active

044175280

ABSTRACT:
Coal devolatized and partially gasified in a travelling grate reactor is dropped into a shaft furnace to form a downwardly moving stack which moves then downwardly to and through a fixed bed gasifier, wherein it is burned to ash. A gas stream from the travelling grate reactor is down-drafted through the shaft furnace and a gas stream is up-drafted through the fixed bed gasifier, and the two streams combined are drawn through a heat exchanger and fed to a gas burner, combustion air for the gas burner being heated in the heat exchanger.

REFERENCES:
patent: 4308034 (1981-12-01), Hoang

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