Method of repairing hot refractory brick walls

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

B - Operations, Transporting

23

P

110/101, 26/144

B23P 15/26 (2006.01) C10B 29/06 (2006.01) F27D 1/16 (2006.01)

Patent

CA 1219117

METHOD OF REPAIRING HOT REFRACTORY BRICK WALLS ABSTRACT OF THE DISCLOSURE 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° F. or higher and internal temperatures substantially above 500° F., preferably at least about 1500° F.

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