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Classifier includes high weir spiral, double spiral, sank single spiral and the double spiral. Spiral classifier is one of the beneficiation equipments. According to the different proportion of solid particles, the rate of precipitation in the liquid is also different. Spiral classifier concentrates fine ore based on the principle. After grinding, the materials will pass through filter, through which the coarse materials will return to ball mill and the fine ore will be discharged from the overflow pipe. Features

1. It is used for excessive powder separation in dry type sand production. It is very convenient to control powder content to meet user requirements.
2. It is suitable for medium-sized dry type sand making production line.
3. The powder (0.00-0.75 mm) content is adjustable between 2% -15%.
4. Powder quality is easy to control, and fine adjustment is convenient, flexible and reliable.
5. It uses tile lining, so repair rate is very low.
6. The inverter control technology makes operation more concise.
Except grit product discharge valves, there are no any other moving parts outside of the entire device, so the running power consumption is very low. Based on the same reason, when operation, it runs without noise, so that it improved working site environment. Wear is small. Grit valve as the sole moving part abrasion resistance performance is good, and the cost itself is very low, occasionally replacement can be completed quickly. The bottom of grain ratings room is stream bed water supplying net, which is also the roof of rose tank. It uses high quality stainless steel material with special structure design. That not only guarantees forming uniformed stability stream bed, but also makes rose water form 2~3 mm of buffer water film under pulp layer. In such situation, the water film is able to support pulp without contacting with supplying water directly. So, it effectively protects stream bed water supply net surface from being wear.
In addition to obvious technical advantages, the biggest advantage of duplex flow classifier is unparalleled economic indicators. Combination of high grade efficiency, large capacity, low footprint and advanced technology of multiple hierarchical, reduces construction investment and running costs to a large extent. Since above statement of low wear, low power consumption, it leads to compound fluidized classifiers lower investment. And the running cost is significantly far lower than other devices, which is also one of the biggest advantages.
Structure
The classifier is mainly composed by the transmission, spirochetes, a tank, the lifting bodies, the lower bearing (bearing) and the discharging ore valve.
Zhengzhou Hongxing mining company has produced a set of Allflux dual fluidized classifiers began to put into use in the world famous Zhengzhou Hongxing Company at main mineral processing plant in July 2002. It replaced the original 2 series of grading equipment, and selected fine magnetite ore, which was a great success. The device model is AFX-1 500. Ore handling capacity is 280 Uh, ore density is 4 500 kg/m ', and slurry density is l370 kg/m3. The pulp concentration is 35%.

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