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A kind of beneficiation method of copper-cobalt ore containing gangueite

A beneficiation method and technology for gangue minerals are applied in the field of beneficiation of copper-cobalt ore containing buoyant gangue, and can solve problems such as effective recovery of adverse effects, buoyant gangue affecting flotation effect, and deterioration of flotation slurry environment, etc. Efficient beneficiation method, ensure the quality of copper and cobalt concentrate, and optimize the effect of flotation environment

Active Publication Date: 2020-04-21
BEIJING MINING & METALLURGICAL TECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the technical problems such as the influence of buoyant gangue on the flotation effect in the existing copper-cobalt ore beneficiation method, and the use of a large number of polymer inhibitors will deteriorate the flotation slurry environment and have adverse effects on the effective recovery of copper-cobalt minerals, etc., the present invention A beneficiation method for copper-cobalt ore containing gangueite is provided, which can effectively suppress gangue minerals, improve the recovery rate of copper-cobalt and increase the economic benefits of the enterprise while ensuring the quality of copper-cobalt concentrate

Method used

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  • A kind of beneficiation method of copper-cobalt ore containing gangueite

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Embodiment approach

[0032] (1) In process 1, the fineness of ore grinding is preferably -0.074mm, which accounts for 55% to 75%, which is very helpful in ensuring that the flotation efficiency is not reduced, and the easy floating veins can be passed to the greatest extent. Pre-flotation will remove the easy pumice gangue first.

[0033] (2) In step 2, the blowing agent BKF is made by mixing a complex of terpineol oil, polypropylene glycol alkyl ether, and methyl isobutyl methanol in a weight ratio of 3:1:1. The foaming agent not only has high efficiency and selectivity, but also has the characteristics of good foam dispersibility, fast defoaming, and small loss of copper and cobalt minerals during pre-flotation; the concentration of raw ore slurry for pre-flotation of easy pumice gangue is preferably 25-35% ; By adding a specific proportion of the foaming agent BKF to the raw ore pulp for the pre-flotation of the pumice gangue, most of the pumice gangue minerals are enriched in the pumice gangue fo...

Embodiment 1

[0042] Such as figure 1 As shown, a method for beneficiating copper-cobalt ore containing pumice gangue is used to process a copper-cobalt sulfide ore containing 0.35% copper and 0.40% cobalt; the composition of the copper-cobalt sulfide ore is complex , Copper minerals are mainly sulphur-copper-cobaltite, followed by chalcocite, chalcopyrite and bornite, as well as traces of malachite, copper blue, etc.; cobalt minerals are mainly sulphur-copper-cobaltite, with a small amount of cobaltite Heshui cobalt ore, and some dolomite, pyrite, and chlorite contain trace amounts of cobalt; iron minerals are mainly limonite, trace hematite, etc.; other recyclable metal minerals are mainly pyrite , Galena, sphalerite, etc.; non-metallic minerals are mainly dolomite and quartz, followed by talc, kaolinite, chlorite, and trace amounts of muscovite, magnesite, calcite, kaolinite, illite, and phosphorus Greystone, rutile, etc. The beneficiation method of the copper-cobalt ore containing pumi...

Embodiment 2

[0051] Such as figure 1 As shown, a method for beneficiating copper-cobalt ore containing easy-floating gangue is used for the beneficiation of copper-cobalt minerals containing 0.30% copper and 0.32% cobalt-containing copper-cobalt ore containing easy-floating gangue; In gangue copper-cobalt ore, most of the copper occurs in chalcocite, sulphur-copper-cobaltite, chalcopyrite, and copper blue; cobalt is mostly sulphur-copper-cobaltite, trace cobaltite and water-cobaltite, Secondly, it exists in dolomite and pyrite in the form of isomorphism; the gangue minerals are mainly dolomite and quartz, but also contain more talc and serpentine; this is a typical pumice gangue containing copper and cobalt sulfide mine. The beneficiation method of the copper-cobalt ore containing pumice gangue specifically may include the following procedures:

[0052] Process B1. Grinding: Grinding the raw ore containing pumice gangue copper-cobalt ore, and the grinding fineness is -0.074mm, accounting fo...

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Abstract

The invention discloses a beneficiation method of a copper-cobalt ore containing easy-floating gangue. The beneficiation method comprises the steps that a foaming agent BKF is added into raw ore pulpof the copper-cobalt ore containing the easy-floating gangue for pre-floatation of the easy-floating gangue to obtain easy-floating gangue foams and ore pulp after the pre-floatation of the easy-floating gangue; a gangue mineral inhibitor and a copper-cobalt mineral collector is added into the easy-floating gangue foams, and pre-floating gangue mineral recleaning and scavenging are performed to obtain a first copper-cobalt rough concentrate; a pH regulator, a copper-cobalt mineral activator, a copper-cobalt collector and the foaming agent BKF are added into the ore pulp after the pre-floatation of the easy-floating gangue, and copper-cobalt roughing and copper-cobalt scavenging are performed to obtain a second copper-cobalt rough concentrate; the first copper-cobalt rough concentrate is mixed with the second copper-cobalt rough concentrate for regrinding, and rough concentrate ore pulp after regrinding is obtained; and the rough concentrate ore pulp after regrinding is selected, and then a copper-cobalt concentrate is obtained. The beneficiation method can effectively inhibit easy-floating gangue minerals, ensures the copper-cobalt concentrate quality, improves the copper-cobalt recovery rate, and increases the economic benefits of an enterprise.

Description

Technical field [0001] The invention relates to the technical field of copper-cobalt ore beneficiation, in particular to a method for beneficiating copper-cobalt ore containing pumice gangue. Background technique [0002] Copper cobalt sulfide ore is one of the important sources of cobalt. Affected by the genesis of the ore, some copper-cobalt sulfide ore contains more pumice gangue minerals such as talc, serpentine, pyroxene, chlorite, etc. These pumice gangue minerals are naturally highly hydrophobic and extremely floatable. Good, so if the conventional flotation process is used to flotate this copper-cobalt ore, these pumice gangue minerals will float up in large quantities along with the target minerals, which will result in an excessively large roughing yield. In order to ensure the concentrate grade, the existing copper-cobalt ore beneficiation methods usually need to add a large amount of polymer inhibitors, such as carboxymethyl cellulose, guar gum, starch, etc., but the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B03B9/00B03B1/00B03D1/008B03D1/012B03D1/002B03D101/04B03D101/02B03D101/06B03D101/00B03D103/02
CPCB03B1/00B03B9/00B03D1/002B03D1/008B03D1/012B03D2201/00B03D2201/007B03D2201/02B03D2201/04B03D2201/06B03D2203/02
Inventor 胡志强王立刚李成必叶岳华朴永超陈旭波田祎兰周高云刘水红李俊旺
Owner BEIJING MINING & METALLURGICAL TECH GRP CO LTD