F - Mech Eng,Light,Heat,Weapons – 27 – B
Patent
F - Mech Eng,Light,Heat,Weapons
27
B
309/16, 53/356
F27B 3/08 (2006.01) C21B 13/12 (2006.01) C22B 4/00 (2006.01) C22B 9/21 (2006.01) C22B 9/22 (2006.01) F27B 3/20 (2006.01) F27B 19/04 (2006.01) F27D 99/00 (2010.01) F27D 3/00 (2006.01)
Patent
CA 1302714
APPARATUS AND METHOD FOR TREATING METALLIC FINES Abstract of the Disclosure As apparatus and method is disclosed which is adapted to melt metallic fines, and which is useful for processing metallic fines into a useful form. The apparatus may also be used in the smelting of metallic oxides, and in combining metals in an alloying process. The disclosed embodiment of the apparatus includes a furnace having a hearth, a pair of tubular residence chambers each extending upwardly from the hearth, a first plasma torch mounted at the upper end of each residence chamber, and a second plasma torch mounted for heating the material on the hearth. The powdered or granular material is fed into the upper end of each residence chamber, such that the material is at least partially melted from the heat of the first torch while falling through the residence chamber, and the material is further heated and completely melted on the hearth by the second torch. Where smelting is performed, a granu- lar metallic oxide and a granular reductant such as car- bon is introduced into the residence chambers, so that the heat of the first torches causes the reduction of the metallic oxide. Where alloying of the metal being treated is desired, there is provided a portal in the wall of the furnace for permitting scrap or other metallic material to be fed directly to the hearth.
527335
Camacho Salvador L.
Dochterman Jack L.
Lindsay Richard D.
Camacho Salvador L.
Dochterman Jack L.
Finlayson & Singlehurst
Lindsay Richard D.
Plasma Energy Corporation
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