Automatic calcining kettle

Details Automatic calcining kettle Automatic calcining kettle

1978-06-22

1980-02-12

Camby, John J.

Heating

Having condition responsive control

Of discharging, or stopping the heating of a unit or batch...

34179, 432151, F27B 940

Patent

active

041881869

ABSTRACT:
A vessel is mounted above a furnace, and is used for retaining gypsum as it is calcined to prepare it for making wallboard or plaster. A feed of crushed gypsum supplies the vessel-kettle regulated by the temperature required to calcine gypsum. Calcined gypsum flows from the kettle while maintaining a predetermined level of gypsum in the kettle.

REFERENCES:
patent: 2913901 (1959-11-01), Moen
patent: 3307840 (1967-03-01), Conroy, Jr.
patent: 3485262 (1969-12-01), Perren
patent: 4113836 (1978-09-01), O'Connor

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