Apparatus for heat treatment of objects by convection

Details Apparatus for heat treatment of objects by convection Apparatus for heat treatment of objects by convection

1983-03-15

1985-08-13

Bashore, S. Leon

Glass manufacturing

Product cooling means

65119, 65351, C03B 2506

Patent

active

045347808

ABSTRACT:
A tunnel furnace composed of modular sections, each modular section comprising horizontal and mutually parallel openings occupying the width of a heat treatment enclosure, the openings being beneath the top of a conveyor and adjacent each other in a direction parallel to the direction of travel of the conveyor with each opening extending perpendicular to the direction of travel, such that each opening gives out a sheet of ascending gas, a collecting slot formed in an upper wall of the heat treatment enclosure extending horizontally, mutually parallel, perpendicular to the direction of travel of the conveyor and extending the width of the enclosure, such that the slot collects the sheet of ascending gas, temperature adjusting devices for maintaining the temperature of the collected gas for the module, a circulating fan for accepting the collected gas and circulating the gas via a gas circulation path to the openings after passing through the temperature adjusting devices and a regulating device for controlling each temperature adjusting device.

REFERENCES:
patent: 2045259 (1936-06-01), Batchell
patent: 2725680 (1955-12-01), Baker
patent: 2982052 (1961-05-01), Lawson
patent: 3778245 (1973-12-01), Clark et al.
patent: 4012190 (1977-03-01), Dicks et al.
patent: 4298341 (1981-11-01), Nowack

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