Cylindrical elongated furnace for treating material at high temp

Details Cylindrical elongated furnace for treating material at high temp Cylindrical elongated furnace for treating material at high temp

1975-08-21

1976-11-23

Camby, John J.

Heating

Heating or heat retaining work chamber structure

266249, 432205, 432249, F27D 100, F27B 504

Patent

active

039934330

ABSTRACT:
In a cylindrical elongated furnace for treating materials at high temperature in a gaseous atmosphere under high pressure, there is a vertical cylindrical pressure chamber forming a furnace space surrounded by a cylindrical heater, with an insulating sheath around the furnace space and the heater formed of a number of metal tubes with insulation between them. At least one of the metal tubes is suspended from a supporting member at the upper part of the insulating sheath and is provided at its lower part with a number of slots extending upwardly from the bottom edge.

REFERENCES:
patent: 3790339 (1974-02-01), Larker et al.
patent: 3790340 (1974-02-01), Isaksson et al.
patent: 3900189 (1975-08-01), Elmgren et al.

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