Method of repairing hot refractory brick walls

Details Method of repairing hot refractory brick walls Method of repairing hot refractory brick walls

1982-09-14

1984-06-05

Pavelko, Thomas P.

Plastic and nonmetallic article shaping or treating: processes

Furnace lining formation or repair

202270, F27D 116

Patent

active

044527497

ABSTRACT:
A high temperature refractory brick wall is repaired by removing and replacing damaged brick while the wall is maintained at a temperature below normal operating temperature but sufficiently high to avoid damage from contraction resulting from cooling. New brick having a coefficient of thermal expansion compatible with the heated wall are used to avoid cracking of the wall due to expansion during heat-up. Workers wearing protective clothing, preferably incorporating a circulating fluid cooling system, remove the damaged brick and install new brick in their place in walls having surface temperatures of about 500.degree. F. or higher and internal temperatures substantially above 500.degree. F., preferably at least about 1500.degree. F.

REFERENCES:
patent: 2611330 (1952-09-01), Kirk
patent: 2851760 (1958-09-01), Taylor
patent: 2879051 (1959-03-01), Buckholdt
patent: 3413385 (1968-11-01), Komac et al.
patent: 4017960 (1977-04-01), Kawabe
patent: 4077848 (1978-03-01), Gainer et al.
patent: 4108384 (1978-08-01), Egli
patent: 4189457 (1980-02-01), Clement
patent: 4364798 (1982-12-01), Costa

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