Melting furnace cover

Details Melting furnace cover Melting furnace cover

1985-04-05

1986-04-08

Camby, John J.

Heating

Heating or heat retaining work chamber structure

Door, cover or port

110173A, 110332, 432237, F27D 118, F27D 112, F23M 700, F23M 506

Patent

active

045809747

ABSTRACT:
A cover for a top charged melting furnace includes an annular ring of downwardly extending blocks or modules of ceramic fiber insulating material. A plurality of T-bar anchors cooperate with the blocks to provide an anchor system for the annular ring. This anchor system allows the ring's attachment to the cover to be tightened in compensation for heat and compressionally related block size reductions. The anchoring system prevents the ring of blocks from sagging during cover elevation while not interfering with upward movement of the blocks during cover positioning on the furnace. The annular ring of blocks protects the main portion of the cover's insulation from damage and any damaged blocks in the ring are readily replaceable.

REFERENCES:
patent: 2091224 (1937-08-01), Brinckerhoff et al.
patent: 3293346 (1966-12-01), Rumberg et al.
patent: 3385241 (1968-05-01), Alvis et al.
patent: 4146742 (1979-05-01), Longenecker
patent: 4183305 (1980-01-01), Payne
patent: 4287839 (1981-09-01), Severin et al.
patent: 4411621 (1983-10-01), Miller
patent: 4445220 (1984-04-01), Kuhlmann
patent: 4524702 (1985-06-01), Miller et al.
Industrial Furnace Services Inc., undated Brochures entitled "Cover Your Assets" and We've Created A Monster.

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