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Mineral processing process of copper sulphide ores containing high-grade native copper

A natural copper and process technology, applied in chemical instruments and methods, solid separation, wet separation, etc., can solve problems affecting production operation, damage to crushing equipment, adhesion, etc., achieve good beneficiation process indicators, and be conducive to gravity separation Homework, the effect of improving the efficiency of grading

Active Publication Date: 2015-04-29
CHINA NERIN ENG
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  • Application Information

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Problems solved by technology

[0002] When the natural copper content in the copper sulfide ore is high, especially the copper ore with high natural copper content in large pieces and coarse particles, the crushing of the original ore containing natural copper and the recovery of natural copper after crushing are all faster than the conventional copper sulfide ore. The grinding-flotation method is more complicated. Due to the good ductility of copper, when the traditional cone crusher is used for the second stage of crushing, large pieces of natural copper are easily pressed into flakes and adhered to the crusher. In the crushing cavity, it will cause damage to the crushing equipment and affect the normal production and operation.
On the other hand, due to the fact that natural copper may adhere to the liner in the process of semi-autogenous mill and ball mill, and accumulate in the mill and cannot be discharged, resulting in blockage of the entire production process

Method used

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  • Mineral processing process of copper sulphide ores containing high-grade native copper
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  • Mineral processing process of copper sulphide ores containing high-grade native copper

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Embodiment Construction

[0016] The beneficiation process of high-grade natural copper-containing copper sulfide copper ore of the present invention comprises the crushing and recovery process system of large natural copper, the crushing process system before gravity separation, the gravity separation recovery process system of coarse-grained natural copper, the fine-grained natural copper The natural copper gravity recovery process system is composed of the natural copper gravity recovery process system and the copper sulfide ore recovery process system. The specific implementation process is as follows:

[0017] 1. Crushing and recovery of large pieces of natural copper: the raw ore is firstly crushed by the first jaw crusher, and the ore after jaw crushing is sent to the grading screen through the belt, and the -40mm ore under the screen is the crushed qualified ore, which is fed into the sieve. The second stage crushes the roller crusher. After crushing, the ore is fed to the third stage pre-crushi...

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Abstract

The invention discloses a mineral processing process of copper sulphide ores containing high-grade native copper. The process comprises the following steps: recycling large native copper ores of which the particles are greater than 40mm in a crushing process; crushing coarse-particle native copper which is smaller than 40mm by virtue of a high-pressure roller mill, scattering and grading by virtue of a drum concentrator and a vibrating screen; jigging, sliding in a spiral manner, and reselecting and recovering through a table concentrator; and carrying out grinding flotation and recovering on reselected tailings (copper sulphide ores). By the mineral processing process of the copper sulphide ores containing the high-grade native copper, disclosed by the invention, the high-grade native copper can be efficiently recovered in advance; meanwhile, the copper sulphide ores and linnaeite are recovered, so that the damage to a crusher and accumulation in the mill caused by good ductility of copper can be overcome, so that the smooth crushing and the ore grinding production are ensured.

Description

technical field [0001] The invention relates to a beneficiation process of copper sulfide ore, in particular to a beneficiation process of high-grade natural copper-containing copper sulfide ore, which belongs to the technical field of beneficiation. Background technique [0002] When the natural copper content in the copper sulfide ore is high, especially the copper ore with high natural copper content in large pieces and coarse particles, the crushing of the original ore containing natural copper and the recovery of natural copper after crushing are all faster than the conventional copper sulfide ore. The grinding-flotation method is more complicated. Due to the good ductility of copper, when the traditional cone crusher is used for the second stage of crushing, large pieces of natural copper are easily pressed into flakes and adhered to the crusher. In the crushing cavity, it will cause damage to the crushing equipment and affect the normal production and operation. On t...

Claims

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Application Information

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IPC IPC(8): B02C21/00B03B7/00B03B5/10B03B5/62B03B5/04
CPCB03B5/04B03B5/10B03B5/626B03B7/00
Inventor 胡根华罗永吉陈小爱雷存友胡申琛熊锋
Owner CHINA NERIN ENG
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