Process for gasifying fuels with oxygen or oxygen-containing gas

Details Process for gasifying fuels with oxygen or oxygen-containing gas Process for gasifying fuels with oxygen or oxygen-containing gas

1988-01-15

1988-10-11

Favors, Edward G.

Furnaces

With fuel treatment means

Means for liberating gas from solid fuel

48 76, 48203, 110341, 110348, F23G 512

Patent

active

047762853

ABSTRACT:
When gasifying fuels with oxygen in a shaft-like furnace adapted to receive solid charging stock and including a primary gas chamber on its lower end to be charged by at least one burner, a fixed bed is formed in the primary gas chamber by the charging stock. The charging stock is gasified by the hot offgases from the burner. The gas forming, upon passage through the fixed bed, is extracted from the furnace as a product gas. In order to keep the product gas free of impurities that constitue a load on the environment and limit its usability, such as tar and other higher hydrocarbons, an oxygen-containing gas is injected into the furnace space filled by the product gas and a slight portion of the product gas is burnt.

REFERENCES:
patent: 4555992 (1985-12-01), Dutu et al.
patent: 4561363 (1985-12-01), Mallek

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