| 摘要 |
A ring section furnace device for the calcination of carbon bodies consists of a number of serially connected chambers with or without lids on top. Each chamber contains a number of cassettes, the walls of which (2) have been fitted with vertical and/or horizontal flue gas channels and with a flue gas exhaust system from each chamber through a ring duct (10). The furnace is fitted with another, separately attached ring duct (13) 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 (11), which allows for exhaust removal of the air used for cooling the cassettes through a pipe connection (1) fitted between the other ring duct and the recovery device on the chamber.
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