The beneficiation of copper ore is basically flotation separation. The flotation process of single copper sulfide ore is generally relatively simple. It is different from the complex copper sulfide ore only in the structure of grinding – flotation. Here is a primary grinding – flotation – coarse and concentrate regrinding process.
The factors that affect the recovery rate of copper ore beneficiation are mainly the mineral composition of the ore, the mineral particle size, the structure, the number of useful and harmful components and their occurrence status, the percentage of various minerals, the degree of oxidation of the ore and the beneficiation process, etc. The following introduces several effective methods to improve the recovery rate of copper ore beneficiation.
- Improve the beneficiation process
With the improvement and development of beneficiation technology, the beneficiation plant can adopt measures like regrinding technology of coarse and concentrate, mixed concentrate, and medium ore and selective beneficiation reagents to stabilize the copper concentrate grade by more than 20% , and at the same time, copper recovery rate has also remained at a relatively high level.
2. Using high-efficiency flotation machine
Flotation machine is the main flotation separation equipment sorting copper concentrator. The use of high-efficiency flotation machine can improve the grade and recovery rate of concentrate.
3. Equipment large-scaling
Equipment large-scaling is one of the main measures to improve the technical and economic indicators of copper processing plant. The beneficiation plant should choose the large equipment suitable for its construction scale as much as possible, which is conducive to the realization of automatic control of production, improve the recovery rate of copper ore, reduce energy consumption and cost, and improve the economic efficiency of the beneficiation plant.
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