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Copper molybdenum bulk concentrate magnetic separation-ultrasonic wave reagent removal-flotation separation beneficiation process

A copper-molybdenum mixed concentrate and ultrasonic technology, applied in the field of beneficiation, can solve the problems that copper minerals are not easy to inhibit, the inhibitor has poor inhibition effect, and the concentrate separation effect is poor, so as to achieve easy implementation, reduce separation difficulty, and save manpower and physical effects

Active Publication Date: 2018-05-18
JIANGXI COPPER +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The pretreatment drug removal process is divided into concentrated drug removal, heating drug removal, and oxidation drug removal. The conventional drug removal process cannot completely remove the drug on the copper mineral surface, resulting in a large amount of sodium sulfide (20 -80Kg / t ore supply) to inhibit copper minerals, or use Knox agents that pollute the environment seriously, or use highly toxic cyanide agents to inhibit copper minerals
Therefore, in the current separation process of copper-molybdenum sulfide mixed concentrate, because the conventional drug removal process cannot completely remove the drug on the surface of the copper mineral, it is difficult for the copper mineral to interact with the inhibitor, so the inhibitor has a poor inhibitory effect and the dosage Large, poor separation effect of concentrate

Method used

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  • Copper molybdenum bulk concentrate magnetic separation-ultrasonic wave reagent removal-flotation separation beneficiation process
  • Copper molybdenum bulk concentrate magnetic separation-ultrasonic wave reagent removal-flotation separation beneficiation process
  • Copper molybdenum bulk concentrate magnetic separation-ultrasonic wave reagent removal-flotation separation beneficiation process

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Embodiment 1

[0030] In this embodiment, the copper grade in a copper-molybdenum sulfide mixed concentrate is 23.70%, and the molybdenum grade is 2.06%. The monomer dissociation degree of molybdenum and molybdenum minerals is 95%.

[0031] The process flow is as follows:

[0032] S1: adjust the copper sulfide molybdenum mixed concentrate to obtain a pulp with a mass concentration of copper sulfide molybdenum pulp of 18%;

[0033] S2: Pass the copper-molybdenum mixed concentrate pulp obtained in S1 through a magnetic separator for rough copper magnetic separation once. The magnetic separator is a high-gradient strong magnetic separator with a magnetic field strength of 1.5T to obtain a copper magnetic separation rough concentrate And copper magnetic separation tailings;

[0034] S3: Pass the copper magnetic separation rough concentrate obtained in S2 through magnetic separation and concentration once by a magnetic separator, the magnetic field strength of the high-gradient strong magnetic ...

Embodiment 2

[0044] In this embodiment, the copper grade in a certain copper-molybdenum sulfide mixed concentrate is 23.77%, and the molybdenum grade is 1.57%. The monomer dissociation degree of molybdenum and molybdenum minerals is 93%.

[0045] The process flow is as follows:

[0046] S1: adjust the copper sulfide molybdenum mixed concentrate to obtain a pulp with a mass concentration of copper sulfide molybdenum pulp of 21%;

[0047] S2: Pass the copper-molybdenum mixed concentrate slurry obtained in S1 through a magnetic separator for copper magnetic separation and rough separation twice. The magnetic separator is a high-gradient strong magnetic separator with a magnetic field strength of 1.4T to obtain a copper magnetic separation coarse concentrate And copper magnetic separation tailings;

[0048] S3: Pass the copper magnetically separated rough concentrate obtained in S2 through a magnetic separator for magnetic separation once, and the magnetic field strength of the high-gradient s...

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Abstract

The invention provides a copper molybdenum bulk concentrate magnetic separation-ultrasonic wave reagent removal-flotation separation beneficiation process. The copper molybdenum bulk concentrate magnetic separation-ultrasonic wave reagent removal-flotation separation beneficiation process comprises the steps that S1, copper molybdenum bulk concentrate is subject to selection and slurry adjusting,and copper molybdenum bulk concentrate ore pulp is obtained; S2, the copper molybdenum bulk concentrate ore pulp obtained in the step S1 is subject to copper magnetic concentration operation, and copper magnetic concentration rough concentrate and copper magnetic concentration tailings are obtained; S3, the copper magnetic concentration rough concentrate obtained in the step S2 is subject to copper magnetic concentration fined selection operation, and magnetic concentration copper concentrate and magnetic concentration middlings are obtained; S4, the copper magnetic concentration tailings obtained in the step S1 and the magnetic concentration middlings obtained in the step S2 are combined to be subject to ultrasonic wave pretreatment reagent removal, and the copper molybdenum bulk concentrate slurry is obtained after reagent removal; and S5, the copper molybdenum bulk concentrate slurry is subject to flotation operation to obtain copper concentrate and molybdenum concentrate. By meansof the copper molybdenum bulk concentrate magnetic separation-ultrasonic wave reagent removal-flotation separation beneficiation process, agents on the surfaces of copper ore and molybdenum ore are thoroughly desorbed, the using amount of an inhibitor is reduced, the restraining effect of the inhibitor is improved, and the copper molybdenum bulk concentrate separating effect is further improved.

Description

technical field [0001] The invention relates to the technical field of mineral processing, in particular to a copper-molybdenum mixed concentrate magnetic separation-ultrasonic drug removal-flotation separation separation process. Background technique [0002] Copper and molybdenum are very important metal resources in modern industry. Copper and molybdenum are also very important mineral resources in the world today. At present, there are few single molybdenum deposits in my country, accounting for only 14% of the national reserves. Copper-molybdenum minerals in porphyry copper deposits are densely symbiotic, complex in structure, unevenly distributed in particle size, similar in buoyancy to copper and molybdenum, and difficult to separate copper and molybdenum. At present, the separation method of copper-molybdenum sulfide mixed concentrate at home and abroad mostly adopts flotation separation. The pretreatment drug removal process is divided into concentrated drug remova...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B03B7/00B03B1/00
CPCB03B1/00B03B7/00
Inventor 薛伟张红华李晓东吴启明魏党生陆涛叶从新欧阳辉江峰罗时军骆任
Owner JIANGXI COPPER