Device and method for cooling a high temperature furnace

Details Device and method for cooling a high temperature furnace Device and method for cooling a high temperature furnace

1988-09-26

1989-07-11

Envall, Jr., Roy N.

Industrial electric heating furnaces

Resistance furnace device

For cooling

165 96, 165 86, F27D 112

Patent

active

048478598

ABSTRACT:
The invention is a device and method for cooling a high temperature furnace. A typical high temperature furnace will include a hot zone that is insulated with carbon-based materials, such as lamp-black. The cooling device is a probe consisting of two elongate tubular members. The smaller diameter member fits lengthwise inside the larger member, such that an annulus is defined within the probe. A tapered metal tip at the lower end of the probe is positioned above a frangible disk, and the disk fits over a guide tube that extends into the insulation section. In operation, the probe is shoved downwardly through the frangible disk into the guide tube, to position the tip near the hot zone of the furnace. An inert gas is then passed through the inside member of the probe, and exhausted through the annulus, to dissipate the furnace heat.

REFERENCES:
patent: 3558122 (1971-01-01), Jaross
patent: 4734127 (1988-03-01), Iuchi

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