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Copper Ore Milling Equipment Process

China is one of the countries in the world with higher copper reserves. Copper mines are widely distributed throughout our country except for several provinces. Copper ore processing equipment mainly consists of jaw crusher, vibrating feeder, ball mill, spiral classifier, magnetic separator, flotation machine, high efficiency concentrator and metal powder dryer.
1. The crushing stage: This stage is the basic step aimed at breaking the large chunks of raw ores into appropriate particle size, so as to make it fit for the following grinding procedure.
2. The grinding stage: This stage is direct at further processing the crushed ores to a finer particle size, to coordinate material flotation and ore milling equipment.
3. The flotation stage: It’s the important step to refine the copper minerals. In this stage, we should add certain chemical reagents into the mixer, to make them set off chemical reactions.
The mined ores firstly experience a preliminary crushing by jaw crusher. After being broken to reasonable particle size, the ores will be evenly fed into the ball mill via the bucket elevator and haj vibrating feeder.
After being ground by ball mill, the ore fines will be sent to the next process: classification. The spiral classifier depends on the principle that different-proportion solid particles have different sedimentation rates in the liquid to have the ore mixture washed and classified. When the mixture through washing and classifying passing the magnetic ore milling equipment machine, the magnetic substances within it will be separated by magnetic force and mechanical force, due to every mineral has a specific susceptibility. After that preliminary ore milling equipment, the left minerals will be fed into the flotation machine and added different agents according to different mineral properties, in order to make the targeted minerals separated from other substances. Since the minerals usually contain a large amount of water, so they have to be concentrated by high efficiency concentrator and then dried by the metal powder dryer. By all the above procedures done, we will get the targeted dry copper concentrate, with a grade up to 45%.

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