C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
C01B 31/02 (2006.01) C04B 35/52 (2006.01) C04B 35/532 (2006.01) F27B 13/02 (2006.01) F27B 13/06 (2006.01)
Patent
CA 2169228
Device for a ring section furnace for the calsination of carbon bodies,comprising a number of chambers (K1-Kn) wherein the carbon bodies are placed when performing the calsination process. During the calsination process, a part of the furnace comprising a minor number of chambers is divided into a preheating zone (K3-K2), a combustion zone (K7-K14), and a cooling zone (K8-K10) that together in a successive manner are advanced as to the furnace, whereby flue gases formed under the process are sucked out from the first chamber (K2) in the preheating zone through a pipe connection to a common ring duct (10). To eliminate the entrance of false air from the first chamber (K1 ) adjacent the preheating zone, a counterpressure fan (17) is arranged in connection with the first chamber (K1).
Asperheim Magne
Bosdal Audun
Werge-Olsen Arne
Fetherstonhaugh & Co.
Norsk Hydro A.s.
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