Treatment furnace

Details Treatment furnace Treatment furnace

1974-08-05

1977-03-22

Lake, Roy

Metallurgical apparatus

Means treating solid metal

C21D 174

Patent

active

040132790

ABSTRACT:
A furnace for heating workpieces in a controlled atmosphere comprises a bed of particles which can be fluidized. The bed is divided by a partition into a treatment zone and a combustion zone. Fuel and air are fed to the combustion zone and burned therein to heat the bed. A treatment gas which provides the required atmosphere is fed to the treatment zone and particles of the bed are permitted to migrate from one zone to the other, thereby carrying heat from the combustion zone to the workpiece in the treatment zone.

REFERENCES:
patent: 3099589 (1963-07-01), Tanaka
patent: 3197346 (1965-07-01), Munday
patent: 3336167 (1967-08-01), Tanaka
patent: 3399874 (1968-09-01), Ritchie
patent: 3921307 (1975-11-01), Marek et al.

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