Tunnel kiln for use in rebaking carbonaceous moldings impregnate

Details Tunnel kiln for use in rebaking carbonaceous moldings impregnate Tunnel kiln for use in rebaking carbonaceous moldings impregnate

1977-03-02

1978-12-05

Camby, John J.

Heating

Work chamber having heating means

Having means by which work is progressed or moved mechanically

432145, 432146, 432192, F27B 926

Patent

active

041283945

ABSTRACT:
A tunnel kiln for use in rebaking carbonaceous moldings impregnated with tar, pitch or the like, consisting of a preheating zone, a baking zone and a cooling zone, which comprises providing arch shafts in the kiln ceiling, providing a plurality of gas recirculating devices communicating with said arch shafts and heating gas blow-in holes of the lower portion of side wall in the preheating zone and the baking zone, and further providing, above the heating gas passages or combustion chambers mounted on a number of connected kiln cars, muffles consisting of receiving plate, bottom plate, holder, cover having in its upper surface a number of tar gas discharge openings, and seal, which muffles accommodating said moldings to be rebaked.

REFERENCES:
patent: 2983022 (1961-05-01), Dressler et al.
patent: 4050880 (1977-09-01), Naito et al.

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