Method and apparatus for removing combustible material from...

Details Method and apparatus for removing combustible material from... Method and apparatus for removing combustible material from...

C - Chemistry, Metallurgy

22

B

110/2, 39/27, 53

C22B 1/02 (2006.01) C22B 1/00 (2006.01) F27B 7/08 (2006.01) F27B 7/34 (2006.01) F27B 7/38 (2006.01)

Patent

CA 1134140

METHOD AND APPARATUS FOR REMOVING COMBUSTIBLE MATERIAL FROM METAL SCRAP Abstract of the Disclosure A method and apparatus for removing combustible material from metal scrap. The apparatus includes an inclined rotating retort, and scrap metal containing combustible material is fed into one end of the retort and as the scrap moves through the retort the combustible material is burned from the scrap. The retort is spaced within an outer refractory housing to provide an annular chamber therebetween, and the chamber is divided into two or more zones. Located within each zone is a fuel burner and a cooling air inlet. The temperature is sensed in each zone, and if the temperature falls below a preset minimum, the burner in that zone is operated, while if the temperature in the zone exceeds a pre-set maximum, cooling air is supplied to that zone to thereby maintain the temperature of the scrap metal within predetermined limits. -0-

328583

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