Ultrasonic dispersing-magnetic separating process for copper-molybdenum bulk concentrate

Abstract

The invention discloses an ultrasonic dispersing-magnetic separating process for copper-molybdenum bulk concentrate. The ultrasonic dispersing-magnetic separating process for the copper-molybdenum bulk concentrate includes the following steps that a, pulp conditioning is conducted, specifically, the copper-molybdenum bulk concentrate is subjected to pulp conditioning to obtain copper-molybdenum bulk concentrate pulp; b, ultrasonic dispersing is conducted, specifically, an ultrasonic dispersing instrument is used for conducting ultrasonic dispersing on the copper-molybdenum bulk concentrate pulp, so that copper-molybdenum ore particles in the copper-molybdenum bulk concentrate pulp are dispersed, and agglomeration among the copper-molybdenum ore particles is eliminated; c, magnetic separation and roughing of copper are conducted, specifically, a magnetic separator is used for conducting magnetic separation and roughing of copper on the copper-molybdenum bulk concentrate pulp after the particle dispersing step, so that copper roughing concentrate and copper roughing tailings are obtained; d, magnetic separation and scavenging of copper are conducted, specifically, the magnetic separator is used for conducting magnetic separation and scavenging of copper on the copper roughing tailings, so that copper scavenging concentrate and copper scavenging tailings are obtained, and the copper scavenging tailings are molybdenum concentrate; and e, magnetic separation and concentration of copper are conducted, specifically, the copper roughing concentrate is subjected to magnetic separation and concentration of copper, so that copper middling and copper concentrate are obtained.

Description

technical field [0001] The invention relates to the technical field of mineral separation, in particular to a copper-molybdenum mixed concentrate ultrasonic dispersion-magnetic separation separation process. Background technique [0002] There are few single molybdenum deposits in my country, and a large part of molybdenum deposits are associated with porphyry copper deposits. In porphyry copper deposits, copper and molybdenum minerals are densely symbiotic, with complex structures, uneven particle size distribution, and similar buoyancy of copper and molybdenum. , the separation of copper and molybdenum is difficult. [0003] At present, the separation methods of copper-molybdenum sulfide mixed concentrate at home and abroad mainly include flotation separation method, and the copper-molybdenum flotation separation method mainly has the following defects: 1. The mixed concentrate is pre-removed, which increases the complexity of the process, and at the same time It will caus...

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Problems solved by technology

[0003] At present, the separation methods of copper-molybdenum sulfide mixed concentrate at home and abroad mainly include flotation separation method, and the copper-molybdenum flotation separation method mainly has the following defects: 1. The mixed concentrate is pre-removed, which increases the complexity of the process, and at the same time It will cause "secondary pollution" and affect the subsequent separation; 2. The molybdenite mosaic particle size is generally fine, and the fineness of the grinding fineness will easily lead to over-grinding and muddying of the molybdenum minerals, mutual attraction, agglomeration, and molybdenum minerals between gangue and molybdenum minerals. Minerals are "sludge-covered", and the molybdenum grade and recovery rate of molybdenum concentrate are reduced; 3. The amount of sodium sulfide, cyanide, Knox and other chemicals used in the separation process of copper and molybdenum is too large, which is easy to pollute the environment

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