2014年1月15日星期三

Screening machine

Screening machine (sifter) screening machine using the relative motion of granular materials and screen surface, so that part of the particles through the sieve, the sand, gravel, crushed stone and other materials into different levels according to the particle size of vibration Linear vibrating screenequipment.Screening depends on the particle level screen surface, sub-surface grate sieve, sieve and sieve plate three. Grate suitable for screening large particulate material, grate gap is undersize 1.1 to 1.2 times the diameter, generally not less than 50 mm. Sieve plate punched from sheet, circular holes, square or rectangular aperture is generally 10 to 80 mm, long life, easy to plug for mining vibrating screenthe medium particles. Woven wire mesh or welded into the hole was a square, rectangular or elongated, generally used pore diameter is 6 to 85 mm, the mesh strip adapted to wet screening material, mesh is the advantage compared to the effective area large.

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