Method of removal of impure gases at the time of scrap preheatin

Details Method of removal of impure gases at the time of scrap preheatin Method of removal of impure gases at the time of scrap preheatin

1983-10-20

1985-01-08

Camby, John J.

Heating

Processes of heating or heater operation

Of heating a fluid

55228, 373 80, F24H 700, B01D 4700

Patent

active

044925670

ABSTRACT:
A method and apparatus for preheating scrap metal within pure gases discharged from a metallurgical vessel. The method comprises the steps of burning the gases in a combustion chamber to remove impurities therefrom, conducting a first portion of the combustion products to a container of scrap metal, contacting the scrap metal with the combustion products for preheating the scrap metal whereby additional impurities are generated, washing in a wet scrubber the mixture of combustion products and additional impurities, mixing the scrubbed combustion products and additional impurities with a second portion of the combustion products from the combustion chamber, and removing particulates from the mixture.

REFERENCES:
patent: 4245569 (1981-01-01), Fallon
patent: 4375958 (1983-03-01), Date et al.

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