Direct heating of heat treat furnace chamber

Details Direct heating of heat treat furnace chamber Direct heating of heat treat furnace chamber

1979-11-05

1981-06-09

Camby, John J.

Heating

Processes of heating or heater operation

Controlling flame position or work atmosphere

432 23, 432 72, 432198, F27D 700, F27B 904, F27B 504

Patent

active

042722390

ABSTRACT:
The present invention is an improved apparatus and method for directly heat treating articles in a sealed treatment chamber of the heat treatment furnace. A burner means fires into a precombustion chamber which is connected in communication with the treatment chamber. Combustion is completed in the precombustion chamber and the products of combustion are fed into the treatment chamber. Additional treatment gas such as an endothermic gas is fed directly into the furnace treatment chamber.

REFERENCES:
patent: 2124764 (1938-07-01), Comstock
patent: 2763476 (1956-09-01), Ness et al.
patent: 2799490 (1957-07-01), Rusciano
patent: 3345846 (1967-10-01), Hess
patent: 3804580 (1974-04-01), Golding

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