Apparatus and process for the operation of an environmentally sa

Details Apparatus and process for the operation of an environmentally sa Apparatus and process for the operation of an environmentally sa

1979-12-14

1981-11-17

Yuen, Henry C.

Liquid heaters and vaporizers

Fire tube

Vertical

110347, 110345, 431 9, F22B 906, F23D 1144

Patent

active

043004806

ABSTRACT:
The invention concerns a process for operating a coal-dust fired power plant in environmentally sound fashion and arrangements for accomplishment of the process pursuant to the invention. The same relates in particular to the reduction of the emission of gases harmful to the environment such as NO.sub.x and SO.sub.2.
A particularly surface-active coal dust is used and is heated extremely rapidly in a burner muffle before being mixed with combustion air. After combustion the flame gases are very rapidly cooled down to a temperature under 1000.degree. C. before being discharged from the burner muffle.

REFERENCES:
patent: 871070 (1907-11-01), Schwartz
patent: 2800175 (1957-07-01), Sharp
patent: 3955909 (1976-05-01), Craig et al.
patent: 4000978 (1977-01-01), Henrie
patent: 4057021 (1977-11-01), Schoppe
patent: 4128388 (1978-12-01), Freze
patent: 4223615 (1980-09-01), Breen et al.

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