Process and apparatus for graphitizing carbon bodies

Details Process and apparatus for graphitizing carbon bodies Process and apparatus for graphitizing carbon bodies

1991-05-29

1993-05-25

Reynolds, Bruce A.

Industrial electric heating furnaces

Resistance furnace device

With heating element detail

432239, H05B 300, F27B 914

Patent

active

052146677

ABSTRACT:
Carbon bodies to be graphitized are clamped together in a horizontal train, n which adjacent end faces of said bodies adjoin each other, and are heated by a flow of electric current in a graphitizing zone and subsequently cooled in a cooling zone. Individual carbon bodies are added to the train at the entrance of the graphitizing furnace and individual carbon bodies which have been graphitized are removed from the train at the exit of the furnace. To ensure a desirable handling of the train in the furnace, the train being moved through the graphitizing furnace is moved at least in a portion of the cooling zone through a bed of carbonaceous bulk material and outside said bed of bulk material is moved in said furnace through a protective gas atmosphere and the train is held to be self-supporting at least in the graphitizing zone between the furnace electrodes.

REFERENCES:
patent: 1743888 (1930-01-01), Hamister
patent: 3284372 (1966-11-01), Bailey
patent: 4017673 (1977-04-01), Michels et al.
patent: 4639929 (1987-01-01), Bernard et al.
patent: 4956849 (1990-09-01), Holuigue et al.

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