High temperature furnace with thermal insulation

Details High temperature furnace with thermal insulation High temperature furnace with thermal insulation

1989-05-17

1991-05-21

Woodard, Joye L.

Glass manufacturing

Processes

With shaping of particulate material and subsequent fusing...

6537413, 6537415, 165135, 373137, 432247, C03B 37029, F27D 100

Patent

active

050172093

ABSTRACT:
A furnace comprising a cylindrical heater and a cylindrical insulation around the heater, wherein the insulation has anisotropy in heat transfer and a direction along which the thermal conductivity of the insulation is small corresponds to a direction along which temperature gradient within the insulation is steep. The insulation is formed of plural anisotropic parts arranged such that the direction along which thermal conductivity is low of one part blocks heat transfer from a direction along which the thermal conductivity of another part is high.

REFERENCES:
patent: 3096083 (1963-07-01), Keon
patent: 3327041 (1967-06-01), Clune et al.
patent: 3940244 (1976-02-01), Sauder et al.
patent: 4304582 (1981-12-01), Aussenegg et al.

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