High-temperature, high-pressure article treatment apparatus, and

Details High-temperature, high-pressure article treatment apparatus, and High-temperature, high-pressure article treatment apparatus, and

1983-01-26

1984-12-11

Camby, John J.

Heating

Processes of heating or heater operation

Controlling flame position or work atmosphere

34 51, 110237, 431 1, 431166, 432200, 432205, F27D 700, F27B 516, F23G 700, F23C 1104

Patent

active

044875762

ABSTRACT:
To separate combustion within a combustion chamber for deburring or high-temperature, high-pressure article treatment from gas supply valves, the combustion chamber is formed of a dual wall structure, having an outer wall (21) which is telescopically slidable with respect to an inner wall (12). The articles are introduced into the chamber (11) by placing a support plate (14) against the outer wall structure, with the inner wall (12) slightly raised, leaving a gap (23) between the lower edge of the inner wall and the support plate. Gas introduced within the outer wall structure than can pass into the chamber (11) within the inner wall, through said gap. When the requisite volume and pressure of fill gas--typically oxygen and a combustion gas such as hydrogen, methane or the like--is within the chamber, the inner wall (12) is lowered into sealing engagement with the support plate (14), for ignition of the combustible mixture. The inner wall, thus, totally isolates supply ducts and valves from being affected by the explosive pressure.

REFERENCES:
patent: 1561389 (1925-11-01), Wollers
patent: 2269595 (1942-01-01), Miller
patent: 3897195 (1975-07-01), Finch

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