Countercurrent classifier
A classifier and countercurrent technology, applied in the direction of solid separation, separation of solids from solids by air flow, chemical instruments and methods, etc., can solve the problems of wide particle size distribution of finished products, low classification accuracy, and low extraction rate of fine powder, etc. Achieve the effects of reducing energy consumption, improving classification accuracy and fine powder extraction rate, and improving hardness and rigidity
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[0019] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0020] like figure 1 and figure 2 Commonly shown, a countercurrent classifier includes a body 2, and the body 2 is provided with a classifying wheel 3 driven by a power device, the power device is preferably a frequency conversion motor 1, and the classifying wheel 3 is located on the body 2 Inside, the surface of the blade of the classifying wheel 3 is provided with a carburized layer, which increases the hardness and rigidity of the blade, ensures that the blade does not deform when the classifying wheel 3 rotates at a high speed, and prolongs the service life of the classifying wheel 3. A cyclone feed cover 5 is provided, and a feed port 6 is arranged on the cyclone feed cover 5, and the feed port 6 is arranged along the tangential direction of the body 2 and is located at the position of the classifying wheel 3. The body 2 is provided with an ins...
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