B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
307/30
B01J 8/24 (2006.01) C01G 23/02 (2006.01) C01G 25/04 (2006.01) C01G 31/04 (2006.01) C01G 33/00 (2006.01) C22B 1/08 (2006.01) F27B 15/14 (2006.01) H05B 3/62 (2006.01) H05B 3/66 (2006.01)
Patent
CA 1095572
ABSTRACT OF THE DISCLOSURE Electrothermal fluidized bed furnace useful particu- larly for chlorination of oxide of zirconium and the like. The graphite reactor tube is longitudinally divided into a plurality of separate sectors by the corresponding number of longitudinal slits which are filled with insulating and refractory material. Said reactor tube sectors are physically and electrically united at one end of the tube so that one or more pairs of opposite sectors are electroresistively heated while the intervening opposite sectors are left electrothermally unactived for prevent- ing short circuit to be otherwise eventually caused due to carbon fed together with said oxide. Owing to such electrothermal system the furnace wall can be fluid-tightly sealed with use of metallic material for preventing harmful chlorine gas from leaking. Owing to said construction, the life of the graphite tube can be prolonged.
281817
Ishizuka Hiroshi
Sugano Yoshiaki
Ishizuka Hiroshi
Marks & Clerk
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