The smaller the final crushed product size, the more difficult it is to maintain a suitable cyclic load. For example, the final crushing particle size is 3 mm or less, and the size of the mesh hole should be 10 mm at the maximum. To obtain a suitable cyclic load, the crusher should have a discharge size of 70% of the mesh size, and the discharge port should be 7 mm. However, in actual work, it is difficult for the crusher to maintain the 7 mm depot. Because the discharge port is too small, it is easy to produce the following adverse effects.
(1) The corresponding amount of processing decreases.
(2) Accelerate the wear of the rolling head, thus increasing the maintenance cost and maintenance time, and reducing the operation of the crusher
(3) In the production, because the discharge port is too small, it is prone to blockage. If the water is washed in the upper part of the crusher head, the humidity of the ore is increased, and the sieve hole is easily blocked, thereby reducing the screening efficiency.
Small size of the mesh hole is also prone to the following disadvantages:
(1) The effective area of ​​the sieve is relatively reduced, and the screening efficiency is lowered.
(2) The phenomenon of blocking the screen hole is serious.
(3) While the screen hole is reduced, the diameter of the screen wire is also reduced, so that the wear is fast and the use period of the sieve is reduced.
When the final particle size of the crushing is reduced, the above various disadvantages are generated, and the efforts of the masses are gradually overcome and eliminated.
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Label: Impact of crusher product size on the loop
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BRIEF INTRODUCTION
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