F - Mech Eng,Light,Heat,Weapons – 27 – D
Patent
F - Mech Eng,Light,Heat,Weapons
27
D
F27D 25/00 (2010.01) C21C 5/46 (2006.01) C22B 15/00 (2006.01)
Patent
CA 2220263
A method of removing furnace deposit in a non-ferrous smelting furnace, comprising the steps of inserting a lance 2 provided with a spray nozzle 4 at the tip thereof from a furnace ceiling into a furnace; spraying a reducing agent from the spray nozzle 4 at the tip of the lance toward a molten deposit mainly comprising oxides adhering to a furnace wall surface of a non-ferrous smelting furnace by turning the lance within a prescribed angular range and vertically moving the lance within a prescribed range; reducing the molten deposit into a low-melting-point slag; causing the slag to flow; and discharging the slag together with furnace slag to outside the furnace.
Ito Kiyoharu
Katayama Yasuto
Suenaga Chikashi
Tanaka Manabu
Yasuda Yutaka
Jx Nippon Mining & Metals Corporation
Marks & Clerk
Nippon Mining & Metals Co. Ltd.
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