Apparatus for repairing hot spots in a refractory lined wall

Details Apparatus for repairing hot spots in a refractory lined wall Apparatus for repairing hot spots in a refractory lined wall

1980-01-11

1982-07-20

Parrish, John A.

Plastic article or earthenware shaping or treating: apparatus

Preform severing means

Severing means is perforator

408104, 425295, B28B 148

Patent

active

043403492

ABSTRACT:
A method and apparatus for repairing "hot spots" in a refractory lined wall, applicable especially to blast furnaces. A plurality of relatively closely spaced couplings are affixed in advance to a metal shell which overlies the refractory lining. When a hot spot is observed, a jig is installed successively on couplings overlying the hot spot and holes are drilled in the shell. The couplings accommodate a grouting machine which injects grouting material through the holes.

REFERENCES:
patent: 1747192 (1930-02-01), Strand
patent: 3448497 (1969-06-01), Arnold
patent: 3899265 (1975-08-01), Lang

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