Method of repairing injured portion of refractory furnace-lining

Details Method of repairing injured portion of refractory furnace-lining Method of repairing injured portion of refractory furnace-lining

1975-11-26

1977-04-19

Pavelko, Thomas P.

Metal working

Method of mechanical manufacture

Converting

228119, 264 30, 264 80, 264248, 264332, B23P 700, F27D 116

Patent

active

040179605

ABSTRACT:
A method of repairing an injured portion of a refractory furnace-lining characterized by cutting off the injured portion of said lining through the furnace shell using a specific supersonic flame jet cutter; inserting a rigid refractory lining block having a shape which is similar to that of the through-cut hole of the furnace body; and welding the surrounding periphery of the inserted block to the contact surface of said through-cut hole using the above-mentioned supersonic flame jet cutter as a welder, followed by repairing the outside cut-off shell portion of the furnace body.

REFERENCES:
patent: 1765558 (1930-06-01), Anderson
patent: 2903778 (1959-09-01), Gibson
patent: 2968083 (1961-01-01), Lentz
patent: 3533905 (1970-10-01), O'Menra
patent: 3791697 (1974-02-01), Hokao

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