The main factors affecting ore crushing are ore properties, equipment performance and operating conditions. Breeze Series-All in One Heat Pump
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1. The ore nature of the ore is harder, the greater the compressive strength, the harder it is to break, the lower the productivity. On the contrary, the productivity is high; the large amount of the ore is required, the amount of crushing required is large, and the productivity is low, otherwise High productivity; when the ore contains large mud, it is easy to bond and block the crushing cavity, which has a great impact on productivity. In severe cases, even the crushing process cannot be carried out; when the ore is crushed, the productivity is high, and vice versa; The ore that breaks the haircut is necessarily much more productive than the ore that is densely packed.
2. Crushing equipment The type, specification, stroke, angle of the crushing equipment, size of the discharge port, etc. of the crushing equipment have a great influence on the crusher productivity. The larger the specification of the same type of crusher, the higher the productivity; the smaller the angle of the crusher (the angle between the two broken working faces), the larger the discharge port, the smaller the crushing ratio, the easy passage of the ore, and the productivity The higher the height. On the contrary, the larger the angle, the smaller the discharge port, the larger the crush ratio, the harder the ore is, and the lower the productivity. If the angle is too large, when the ore is broken, the ore will be jumped up and not broken, and even a complete accident will occur. If the angle of engagement is too small, the crushing ratio is too small to meet the requirements of the process. Therefore, the angle of the breaking mechanism should be appropriate. The jaw crusher has a working angle of 15 to 25 degrees, the gyratory crusher is 21 to 23 degrees, the cone crusher is about 18 degrees, and the roller type is about 30 degrees. All the angles should not be greater than 34 degrees. For certain types and specifications of crushers, both the crushing ratio and the productivity should be considered in the work. The two must be balanced. One-sided pursuit is not correct on the one hand.
3. Operating conditions Continuous and uniform feeding is a prerequisite for the normal operation of the crusher. Closed-circuit crushing is carried out, a large amount of cyclic load is added to the feedstock, the feed size is relatively thin, and the cyclic load can be broken into a qualified intermediate product. Therefore, the crusher should have a large crushing ratio and a high load factor when working in closed circuit. In the case of work, the production capacity has increased. Depending on the hardness of the ore, the productivity of the closed circuit is increased by about 15 to 40%. The so-called load factor is the percentage of the actual production capacity of the crusher and the ratio of the production capacity that can be achieved. The size of the load factor is an important indicator of whether the crusher's potential is fully utilized.