Method of adopting oxygen-enriched vortex bath smelting furnace to treat secondary copper-containing sundry

Abstract

The invention discloses a method of adopting an oxygen-enriched vortex bath smelting furnace to treat secondary copper-containing sundry. The oxygen-enriched vortex bath smelting furnace comprises a furnace body and multiple spray guns, a furnace cavity is arranged in the furnace body which is provided with a feeding port, a smoke outlet, a slag outlet and a discharging port, the furnace cavity has a round cross section, multiple spray gun inserting holes which are distributed along the peripheral direction of the furnace body at intervals, and the spray guns are inserted into the spray gun inserting holes and deviate from the circle center of the round cross section of the furnace cavity along a same direction. The method includes the following steps: feeding the secondary copper-containing sundry into the furnace cavity through the feeding port; adopting the spray guns to spray a fuel medium and a reducing agent into the furnace cavity enable the secondary copper-containing sundry to react in the furnace cavity to generate copper slag, metal copper and smoke; discharging the copper slag from the slag outlet, discharging the metal copper from the discharging port, and discharging the smoke from the smoke outlet. The method has the advantages of low energy consumption and good smelting effect.

Description

Technical field [0001] The invention relates to a non-ferrous metallurgy method, in particular to a method for processing secondary copper-containing miscellaneous materials by adopting an oxygen-rich vortex molten pool melting furnace. Background technique [0002] China is a country with relatively poor copper resources and the world's largest consumer. According to statistics, my country's actual copper consumption in 2014 was 10 million, accounting for more than a quarter of the total global copper output. The domestic copper production volume is less than 8 million tons (including recycled copper), and the domestic copper gap reaches 25%. Using copper secondary materials to produce blister copper or anode copper and other metallurgical products that are in short supply in China is a way of resource utilization that meets environmental requirements and conforms to my country's industrial policies. Extracting copper from copper's secondary materials not only protects the env...

AI Technical Summary

Problems solved by technology

[0003] The current mainstream treatment process for secondary copper materials is to use tilting furnaces, top-blown furnaces, etc. for molten pool smelting, but these smelting processes require a large investment. High, serious environmental pollution, low degree of automation, difficult to meet the country's increasingly stringent environmental requirements and access conditions, has been basically eliminated

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