Method for extracting charging gases in coke oven chambers

Details Method for extracting charging gases in coke oven chambers Method for extracting charging gases in coke oven chambers

1986-02-04

1987-06-16

Kratz, Peter

Distillation: processes, thermolytic

Miscellaneous

202263, C10B 5700, C10B 2704

Patent

active

046734635

ABSTRACT:
Method for exhausting from coke ovens gases evolved during charging with the use of a conduit interconnecting an opening in the roof of a coke oven chamber being charged with a corresponding opening in a nearby oven. According to the inveniton, near one of the ends of the conduit interconnecting the two ovens a communication with the atmosphere can be made without disturbing the gas-tight connection between the other end and the nearby oven. One way of achieving this is for the sealing zone or closure portion which dips into a water seal in a riser for a coke oven chamber to be shorter than the other end such that when the conduit is raised the shorter end will permit atmospheric air to flow into the conduit. In another embodiment, a socket is provided at one end of the conduit and has a pivoting flap which, in one position, closes the socket and in another position, closes the gas-exhaust opening. Another embodiment of the invention employs a sleeve in which a tubular member having a bottom sealing zone or closure portion is movable, such portion dipping into a water seal when lowered and clearing the water seal when raised. Still another embodiment of the invention employs internal cover lifters.

REFERENCES:
patent: 3791320 (1974-02-01), Gidick
patent: 4314889 (1982-02-01), Kwasnik et al.
patent: 4465557 (1984-08-01), Blase et al.

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