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Basic copper ore beneficiation flotation mainly single flotation process copper sulphide ores is generally relatively simple, only grinding - flotation structure and different complex copper sulphide ore, mill herein describes a period of Mine-flotation-crude concentrate regrind process.
The factors affecting the copper ore beneficiation recovery are mainly the mineral composition of the ore, the size of the mineral, the structure and structure, the number of useful and harmful components and their occurrence, the percentage of various minerals, the degree of oxidation of the ore and the beneficiation process. Equipment level, etc. The following is an effective way to improve the recovery rate of copper ore beneficiation by several copper ore beneficiation equipment. 
1Improve the beneficiation process
With the improvement and development of the beneficiation technology , the ore dressing plant can adopt coarse concentrate, mixed concentrate, medium ore regrind technology, and select selective mineral processing chemicals to stabilize the copper concentrate grade by more than 20%. The recovery rate is also kept at a high level.
2) Pay attention to the comprehensive recovery of valuable minerals
The development of mineral processing technology has also made the comprehensive recovery of the valuable components associated with copper ore highly valued, such as the recovery of gold , silver , iron , sulfur, molybdenum and other elements, especially the recovery rate of gold and silver. The recovery of these valuable minerals by the concentrator can increase the recovery rate of copper ore and increase the economic efficiency of the concentrator.
3Using high efficiency flotation machine
The flotation machine is the main sorting equipment of the copper ore dressing plant. At present, there are JJF, KYF, BSK and BF flotation machines in China. The high-efficiency flotation machine can improve the grade and recovery rate of the concentrate.
4 Large equipment
Large-scale equipment is one of the main measures to improve the technical and economic indicators of copper concentrators. The concentrator should use large-scale equipment that is suitable for its own construction scale, which is conducive to automatic control of production, increase the recovery rate of copper ore, reduce energy consumption and cost, and improve the economic benefits of the concentrator.
5) Improve the level of mineral processing automation
The copper beneficiation plant can adopt the interlocking control system of the crushing system, the constant control of the ore ratio of the grinding system, the automatic control of the water supply, the control of the flotation liquid level, the control of the pH of the slurry, the online analysis of the fluorescence and the computer monitoring, and the intelligent computerized drug control and other automation measures and equipment. , thereby increasing the recovery rate of ore dressing.
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