Method of repairing hot refractory brick walls
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United States of America Patent
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-
Jun 5, 1984
Grant Date -
N/A
app pub date -
Sep 14, 1982
filing date -
Sep 14, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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