Rebuilt coke oven heating chamber and method of making the same

Details Rebuilt coke oven heating chamber and method of making the same Rebuilt coke oven heating chamber and method of making the same

1980-12-30

1982-12-21

Garris, Bradley

Distillation: apparatus

Apparatus

Elements

52743, 52746, 201 18, 264 30, 264 35, C10B 2906, E04B 116, E04G 2102, F27D 116

Patent

active

043647987

ABSTRACT:
A spalled and deteriorated portion of a refractory brick heating wall of a coke oven heating chamber is dismantled. The deteriorated brick is removed with the undamaged brick remaining in place. Individual thermally destructable forms forming the gas flow passageways are vertically erected surrounding ports in the floor through which preheated gas and preheated air are separately supplied into the heating chamber. A second set of destructable forms having passageways forming the heating flues for receiving the products of combustion are positioned between the forms for the gas flow passageways. Horizontal forms, also forming gas flow passageways, connect adjacent vertical forms for the flow of air and gas from the ports into the heating flues where combustion of the air and gas takes place. When the thermally destructable forms are in place, a refractory material is sprayed onto the outer surfaces of the forms. The refractory material is built up on the forms to replace the removed bricks to reconstruct the portion of the heating chamber removed. The rebuilt portion is united by the refractory spraying with the brickwork of the original heating chamber that remains to form the rebuilt portion of the heating chamber integral with the original brick portion of the heating chamber. The heat generated by the products of combustion of the air and gas disintegrate the destructable forms leaving the formed and solidified refractory replacement portion of the coke oven heating chamber.

REFERENCES:
patent: 2476305 (1949-07-01), Kimmel
patent: 2851760 (1958-09-01), Taylor
patent: 3148230 (1964-09-01), Behner et al.
patent: 4077848 (1978-03-01), Gainer et al.
patent: 4127626 (1978-11-01), Kubo et al.
patent: 4143104 (1979-03-01), Konijnenburg et al.
patent: 4189457 (1980-02-01), Clement
"Casting Large Sections of Basic Refractories"; Kraner et al; Ceramic Bulletin; vol. 39, No. 9 (1960).

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