F - Mech Eng,Light,Heat,Weapons – 23 – G
Patent
F - Mech Eng,Light,Heat,Weapons
23
G
F23G 7/00 (2006.01) B22C 5/08 (2006.01) F23G 5/30 (2006.01)
Patent
CA 2056194
ABSTRACT OF THE DISCLOSURE The present invention concerns a process and a device for removing harmful substances from waste materials (such as industrial dust and sludge, roll scale, used foundry sand etc.) in which a heated bulk material bed is formed into a fluidized bed by the introduction of a gas at least in the upper portion of the bulk material, whereby the fluidized bed, which consists (at least in part) of materials to be cleaned, is heated from above, whereby the heating intensity is controllable or adjustable, so that the solid material temperature, on the one hand, and the gas temperature prevailing in the gas chamber located above the fluidized bed, on the other hand, are adjustable, and that the thermal requirements for the cleaning process and the flow- technological requirements for the material systems can be adjusted independent of one another.
G. Ronald Bell & Associates
Kuttner Gmbh & Co. Kg
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