F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
39/118, 53/3, 39
F27D 7/00 (2006.01)
Patent
CA 1129210
METHOD AND APPARATUS FOR DRYING AND PREHEATING SMALL METALLIC PARTICLES ABSTRACT OF THE DISCLOSURE A system for drying and preheating small metallic particles such as chips, turnings, borings and the like to remove volatiles therefrom which includes a dryer working in conjunction with a briquetting press. The dryer includes a drying and preliminary combustion chamber including a revolving drum therein through which the chips pass. The drying and preliminary combustion is heated and is atmospherically sealed and operated with a reducing atmosphere. The volatiles driven from the metallic particles are passed to a combustion com- pletion chamber which is maintained at a temperature sufficient to burn the combustibles and into which air is injected to com- plete the combustion. The hot metallic particles are thermally insulated and sealed from the atmosphere while being conveyed from the drying and preliminary combustion chamber to the briquetting press where they are compressed into briquettes for subsequent introduction into induction furnaces and the like.
314032
Fellnor John R.
Love William J.
Melting Systems Inc.
Smart & Biggar
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