What about the key points for selecting flour mesh?...

It is often required to screen the granules of the mine in the mining industry. Nylon bolting cloth is often used in mines. It is already the preferred screen for screening on the mining industry.

9%。 The mass efficiencies of 20.1%. The monomer dissociation degree of the sieve is 79.29%, of which -0.074 mm+0.053 mm, -0 053 mm +0. 044 mm, -0. 044 mm The total dissociation degree of the three particle sizes is as high as 91.41%. The yields were 19.12%.14.63c; ro.48.94%, and the disintegration degrees of the three grades were 80.26%, 85.855%, and 97.42%, respectively.

9%。 The grading rate of the sieving of the nylon sifting fabric is only 28. O9%, the mass efficiency is 20.13%. The monomer dissociation degree of the sieve is 79.29%, of which -0.074 mm+0.053 mm, -0 053 mm +0. 044 mm, -0. 044 mm The total dissociation degree of the three particle sizes is as high as 91.41%. The yields were 19.12%.14.63c; ro.48.94%, and the disintegration degrees of the three grades were 80.26%, 85.855%, and 97.42%, respectively. The key is the product on the sieve. The proportion of qualified particles which have basically reached the dissociation of the monomer is very large. This part of the qualified fraction is returned to the ball mill for re-grinding. Due to the fine particle size, the concentrated magnetic separation effect is poor, the three-stage grinding concentration is low, and the grinding is low. The mine has low efficiency, causing a vicious circle, and the phenomenon of running mine is extremely prominent. On the one hand, this part of the magnetite particles is over-grinded, the magnetic agglomeration is intensified, causing entrainment of gangue minerals, which affects the improvement of concentrate grade and recovery rate; on the other hand, the unnecessary energy consumption of the ball mill affects the grinding and selection system. The ability to play, it is necessary to completely solve the problem of low screening efficiency.

The reason why the Nylon bolting cloth has a low classification rate. It is summarized as follows: First, the nylon sieve is a fine sieve with a long strip of mesh, and the control of the particle size is not precise. For example, the separation particle size required by the process is 0.074 mm, and the sieve hole is 0.15 mm, usually using a fine sieve. The method of large circulation quantity improves the fineness of the product under the sieve to ensure the grade of the concentrate; the second is that the phenomenon of paste meshing is more prominent during the use, the sieve surface has to be washed frequently, and the coarse particles are easy to enter the sieve, causing the grade periodicity. Fluctuations, unstable production and other consequences.

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