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US 9,903,005 B2Granted
Method and device for depleting copper smelting slag
AssigneeYanggu Xiangguang Copper Co., Ltd.
InventorsSonglin Zhou, Weidong Liu, Hu Wang
Life of this patent
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Abstract
A method and device for depleting copper smelting slag. The method comprises mixing copper smelting molten slag (1) with a reductant (2) and an inert gas (3) under pressure, and then depleting same. The device for depletion comprises a furnace body (4), which furnace body (4) is provided with a feed opening (413) and a slag discharge port (416), and gas nozzles (411) disposed on the side wall of the furnace body.
Claims8
A method for cleaning copper-smelting molten slag, comprising the following steps:
- in a cleaning device, mixing copper-smelting molten slag, a reducing agent and pressurized inert gas to perform cleaning thereby to obtain cleaned slag, wherein the inert gas has a pressure of 100 kPa to 800 kPa;
- wherein the reducing agent is copper concentrate containing FeS and Cu2S.
Dependencies are inferred from the claim text.