2014年9月4日星期四

Scheelite Concentrate Plant


China is the big country with tungsten resources, accounting for 51% of tungsten ore reserves of the world. Nature of tungsten have been found more than 20 kinds of minerals, of which the largest is the industrial value of scheelite and wolframite, and wolframite after a long period of mining, which has been slightly less conservative reserves, so this part is only for scheelite ore resources sorting and research.

Scheelite (CaWO4) is a calcium tungsten, whose chemical composition of WO3 80.6%, CaO 16.4%. Scheelite more brittle toughness, hardness is generally 5 to 5.5, a density of 6.8, non-magnetic, the color is white. From the beginning of the 1970s, scheelite flotation has made great progress, most have adopted the flotation processing plant, such as Tempe Utes, Samdhong, Jiu Ke, Golden Island, and other selected plants have adopted the flotation process plant.


Last few days, one of our clients from Korea that visited our factory for their scheelite recover processing plant. They mining the scheelite rock from mine area also recycle the waste rock from that a few years before. XTA machine is best to sorting the rock. The better rock will use crushing, grinding then use gravity concentrate plant to concentrate it, after the gravity processing plant, they get the scheelite with more than 65% purity WO3. Then use the wet type magnetic separator to separate the magnetite iron. After the magnetic separation plant, they will use the flotation machine to concentrate again to separate the As from the concentrate. The plant with full design and all use the best quality equipment. They come to our factory check and confirmed our spiral and shaking table. The spirals is big capacity for the rough of the scheelite, and use the shaking table to concentrate it again. Their capacity required is 80t/h, so we design a plant for 16 pics spirals to do it, and they choose the double gold shaking table to concentrate it. After their order, our machinery technical will go to their mine area for the installation guidance in Korea.

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