Method and apparatus for treating exhaust gases from preheater a

Details Method and apparatus for treating exhaust gases from preheater a Method and apparatus for treating exhaust gases from preheater a

1992-12-08

1994-11-22

Bennett, Henry A.

Furnaces

Process

Treating fuel constituent or combustion product

110259, 432106, C04B 702, A47J 3600

Patent

active

053658663

ABSTRACT:
A method and apparatus for treating the exhaust gases of a combustion process, the exhaust gases comprising in part condensable or solidifiable particulate matter and residual hazardous organic compounds and emanating from the combustion process at a first temperature, by heating a portion of the exhaust gases using a heating means within a bypass means to a second temperature higher than the first temperature, maintaining the heated exhaust gases within the bypass means at the second temperature for a time sufficient to render the desired poriton of the residual hazardous organic compounds harmless, and then cooling the heated exhaust gases using a quench means within the bypass means to a third temperature lower than the first temperature in a period of time short enough to prevent the condensable or solidifiable particulate matter from condensing or solidifying on and adhering to the bypass means.

REFERENCES:
patent: 3267890 (1966-08-01), Zinn et al.
patent: 3784389 (1974-01-01), Hastrup
patent: 3884162 (1975-05-01), Schuster
patent: 4788918 (1988-12-01), Keller
patent: 4821653 (1989-04-01), Jones
patent: 4850290 (1989-07-01), Benoit et al.
patent: 4958578 (1990-09-01), Houser
patent: 5207176 (1993-05-01), Morhard et al.

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