Energy-conserving, fast-cooling heat treating furnace

Details Energy-conserving, fast-cooling heat treating furnace Energy-conserving, fast-cooling heat treating furnace

1976-06-25

1977-03-01

Dost, Gerald A.

Metallurgical apparatus

Means treating solid metal

Having evacuated chamber

C21D 100

Patent

active

040098729

ABSTRACT:
A heat treating furnace includes a vessel formed by inner and outer spaced apart walls, there being a hollow jacket between the walls. During the heating cycle, a vacuum is maintained in the jacket to reduce heat loss from the vessel and to keep the outer wall cool to the touch. During the cooling cycle, liquid is circulated through the jacket to cool the inner wall and to cool quenching gas being circulated within the vessel.

REFERENCES:
patent: 3301541 (1967-01-01), Ipsen

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