Gravity separation is one kind mineral separating method relying on the different mineral has different density. Expect of the main machinery, gravity separation must have medium, for example: water and air and so on. This the very different place from other mineral processing techniques. Gravity separation has the follow characteristics: simple equipment structure, low mineral processing cost, so the gravity separation can be performed at any place where the condition permits. Gravity Separation Process is mainly used for processing sand gold mine, copper slag and chromium ore. Manganese ore, tin ore, hematite,limonite, fluorite ore, titanium ore, barite, etc. Gravity separation equipment including shaking table, spiral chute, classsifer and so on.
Gravity separation process offered by Henan Fote Heavy Machinery Co., Ltd. mainly include: crusher machine, vibrating feeder, vibrating screen, gravity separation equipment, conveyor belt, etc. In gravity separation process, has the following working process:
Ore materials are elevated to storage hopper by bucket elevator, thirdly, the materials are fed into the ball grinding mill for crushing and grinding. Fourthly, fine grained ore materials will come into the next processing; classification. Spiral classifier clean and classify the ore mixture relying on the theory that the solid grains have different specific gravity, so they have different settling rate in the liquid. The cleaned and classified ore mixtures will pass through the magnetic separator, for all the ores have very different coefficient of magnetization, so the magnetic force and the mechanical force will separate out the magnetic substance from the ore mixtures. The ore grains primarily separated by the magnetic separator will be fed to Flotation machine, and add different medication inside according to different ore characters, so that the needed minerals will be separated with other substance. The needed minerals are separated, but it has lots of moisture content, must use concentrator to make primary concentration, and then use drier to dry, and then get the final dry minerals.
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shaking table separation: http://www.fte-china.com/pro/shaking_table.html