Device for relief of thermal stress in spray cooled furnace elem

Details Device for relief of thermal stress in spray cooled furnace elem Device for relief of thermal stress in spray cooled furnace elem

1992-12-23

1994-07-05

Reynolds, Bruce A.

Industrial electric heating furnaces

Arc furnace device

Furnace body detail

373 73, 219 93, F27D 112

Patent

active

053274539

ABSTRACT:
A preformed assembly is provided for the replacement of a thermally stressed portion of a unitary water cooled closure element, e.g. made of plain carbon steel, of a furnace system which includes a steel frame to which is pre-welded a copper covering plate, the steel frame being welded into a closely fitting cut-out in the closure element, e.g. a furnace roof or furnace shell.

REFERENCES:
patent: 4011651 (1977-03-01), Bradbury et al.
patent: 4304396 (1981-12-01), Udoh
patent: 4559011 (1985-12-01), Gritsuk et al.
patent: 4637034 (1987-01-01), Grageda
patent: 4715042 (1987-12-01), Heggart et al.
patent: 4815096 (1989-03-01), Burwell
patent: 4849987 (1989-07-01), Miner, Jr. et al.
patent: 4903640 (1990-02-01), Howard

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