Beneficiation process for obtaining independent copper and zinc concentrate from low-copper high-zinc sulfide ore

A technology for sulfide ore and zinc concentrate, which is applied to the improvement of process efficiency, flotation, chemical instruments and methods, etc., can solve the problems of high consumption of zinc sulfate and sodium sulfite, and achieve the improvement of stickiness, strengthening effect, The effect of reducing consumption
CN112916196AActive Publication Date: 2021-06-08内蒙古黄岗矿业有限责任公司
12 Cites 1 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
内蒙古黄岗矿业有限责任公司
Publication Date
2021-06-08

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention relates to a beneficiation process for obtaining independent copper and zinc concentrate from low-copper high-zinc sulfide ore. The beneficiation process comprises the following steps of step 1, grinding raw ore to obtain a mixture which can be used for flotation; step 2, performing copper roughing and copper scavenging on the mixture which can be used for flotation, and obtaining copper rough concentrate and copper scavenging tailings; step 3, concentrating the copper rough concentrate, regrinding concentrated underflow obtained after concentration, and obtaining a copper-zinc mixture; step 4, subjecting the copper-zinc mixture to separation roughing, separation concentration I, separation concentration II, separation scavenging I and separation scavenging II through a separation device, where foam of separation concentration II is copper concentrate; and step 5, combining the copper scavenging tailings and the copper concentrate and subjecting the same to zinc roughing, zinc concentration I, zinc concentration II, zinc concentration III, zinc scavenging I and zinc scavenging II through a flotation machine, where foams of zinc concentration III are zinc concentrate. Therefore, the copper-zinc separation effect can be remarkably enhanced, and consumption of conventional inhibitors zinc sulfate and sodium sulfite is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to the technical field of mineral processing, in particular to a mineral processing process for obtaining independent copper and zinc concentrates from low-copper and high-zinc sulfide ores. Background technique

[0002] The separation of copper and zinc is a key and difficult point in the flotation research of sulfide ores. Copper sulfide ore is theoretically easier to float than sphalerite, but sphalerite is easily activated by Cu2+ dissolved from copper sulfide ore, which makes the separation of the two difficult. . In the early separation of copper and zinc, cyanide was mostly used to inhibit sphalerite. The principle is that cyanide complexes Cu2+ and removes its activation of sphalerite. Although the effect of cyanide is good, it brings serious environmental pollution and safety. Hidden danger.

[0003] At present, the widely used copper-zinc separation agent is the combined inhibitor of zinc sulfate and sodium sulfite, bu...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More