Device for ring section furnace

Details Device for ring section furnace Device for ring section furnace

1992-11-06

1995-12-05

Hoang, Tu

Industrial electric heating furnaces

Resistance furnace device

With internal atmosphere control

373 71, 432 18, 432192, F27D 706

Patent

active

054736285

ABSTRACT:
A ring section furnace device for the calcination of carbon bodies includes a number of serially connected chambers with or without lids on top. Each chamber contains a number of cassettes the walls of which have therein vertical and/or horizontal flue gas channels. A flue gas exhaust system from each chamber leads to a main ring duct. The furnace is fitted with an additional, separately attached ring duct, and each of the chambers is fitted with a recovery device in the form of a lid, manifold, or a similar device with a closeable opening or joining pipe, which allows for exhaust removal of the air used for cooling the cassettes through a pipe connection fitted between the additional ring duct and the recovery device on the chamber.

REFERENCES:
patent: 1133885 (1915-03-01), Richardson
patent: 1612127 (1926-12-01), Johnson
patent: 2158765 (1939-05-01), Stewart
patent: 4040778 (1977-08-01), Black
patent: 4253823 (1981-03-01), Holdner
patent: 4382778 (1983-05-01), Peacey et al.
patent: 4470804 (1984-09-01), Geijer et al.
patent: 4552530 (1985-11-01), Gunnes et al.
patent: 4736383 (1988-04-01), Meierling

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