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The rare mineral such as demand, gold dust, platiniferous sand, quartz, rutile, zircon, urdite and ilmeniteetc, rare are enriched in the sand seam of the coastal region, and called sea sand. Sea sand ranks second in shallow sea mineralresources;its value is next to oil and nature gas.

For processing and separating rare mineral, screw separation machine is used widely. There are two types of screw separator, single screw separator and double screw separator. According to the spiral blade at the flooding end, there are two types: high weir type: the top side of spiral blade is higher than the flooding level and the center of blade is lower than the flooding level. This type is used for classification of the ore with flooding size between 0.083-0.15mm Immersed weir type: This type is used for classification of the ore with flooding size between 0.15-0.07mm.

Spiral classifiers are widely used for distributing ore in the close circuit with ball mill, grading ore and fine slit in the gravity mill, grading granularity in the flow of metal ore-dressing and desliming and dehydrating in the washing. Advantages are simple structure, reliable working condition and convenient operation. According to the principle that different grains are with different specific gravity and sedimentation rate in the liquid, the fine ore flows in the water and the coarse ore sinks in the bottom. The classifier that has machine grading by discharging from the top can filtrate the materials and send coarse materials to the feeding mouth and discharge the fine material from the pipe. The seat of the machine adopts channel steel and body adopts armor plate and the spiral axle adopts cast iron, so it’s durable. The lifting equipments have two types, by electricity and hand.

stirring tub:http://www.crusher-machine.com/n127.html
grinding ball:http://www.china-hxjq.com/n281.html

Concentrating progress for iron ore beneficiation plant can be divided into manganese ore crushing, grinding, separating, concentrating. In each operation, you need different beneficiation equipment. Hongxing mining machinery is a global manufacturer and supplier of mining and beneficiation plants, and our plants mainly include crushing machine, screening machine, grinding machine.