Calcining kettle having multi-pass heating system

Details Calcining kettle having multi-pass heating system Calcining kettle having multi-pass heating system

1977-06-16

1979-07-17

Camby, John J.

Heating

Shaft type

Having heat emitting tube or flue within or traversing shaft...

165109, 432151, F27D 108, F27B 1400

Patent

active

041613902

ABSTRACT:
A calcining apparatus comprising a kettle, a heating jacket surrounding the kettle defining a heating chamber, vertical baffles dividing said heating chamber into a plurality of chambers, and a plurality of horizontally disposed heating flues communicating with said chambers defining a path whereby the heating gas provided for heating said apparatus makes at least two horizontal passes through said kettle before being exhausted, the calcining apparatus being adaptable for calcining material such as gypsum in either a continuous or batch process.

REFERENCES:
patent: 577059 (1897-02-01), McNeal
patent: 1446863 (1923-02-01), Townley et al.

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