High-efficiency porcelain enameling furnace

Details High-efficiency porcelain enameling furnace High-efficiency porcelain enameling furnace

1985-08-05

1986-07-01

Camby, John J.

Heating

Processes of heating or heater operation

Treating an article, container, batch or body as a unit

126 91A, 432 82, 432148, 432209, F24C 300, F27D 300, F27D 1500, F27B 514

Patent

active

045977356

ABSTRACT:
A procelain enameling furnace includes a combined entrance/exit zone, an air seal section, a radiation/convection heat transfer section, and a heating section. The entrance/exit zone receives an incoming cool ware and discharges an outgoing hot ware at substantially the same location. The air seal section prevents loss of heat from the furnace through the entrance/exit zone. In the heat transfer section, the incoming ware is parallel to and travels in the opposite direction to the outgoing ware for transferring heat therebetween by radiation and convection. The heating section includes a pre-heating zone and at least one heating zone. The pre-heating zone is formed of U-shaped heat exchanger tubes through which the incoming ware passes following the heat transfer section. The heating zone is formed of U-shaped radiant heating tubes for heating the cool ware following the pre-heating zone.

REFERENCES:
patent: 2162041 (1939-06-01), Weller
patent: 2608740 (1952-09-01), Dany
patent: 4310300 (1982-01-01), Mackenzie

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