C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 15/06 (2006.01) C22B 15/00 (2006.01)
Patent
CA 2055841
There is disclosed an apparatus for smelting copper which includes a smelting furnace, a separating furnace, a converting furnace, and launders connecting these furnaces in series. In the smelting furnace, copper concentrate is melted and oxidized to produce matte and slag. In the separating furnace, the matte is separated from the slag. In the converting furnace, the matte separated from the slag is oxidized to produce blister copper. A plurality of anode furnaces are provided for refining the blister copper produced in the converting furnace into copper of higher quality. A blister copper launder assembly, which has a main launder and a plurality of branch launders branched off from the main launder, is provided to connect the converting furnace and the anode furnaces together. A selecting device may be attached to the launder assembly for selectively bringing the main launder into fluid communication with one of the branch launders.
Fukushima Shigemitsu
Goto Moto
Iida Osamu
Ikoma Hiroaki
Kikumoto Nobuo
Marks & Clerk
Mitsubishi Materials Corporation
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