Quarry Plant

Cyclic loading of quarry equipment how to achieve balance and control

The cyclic load to achieve balance and control :
Cyclic loading : Based on the selected job do not grind the degree requirements and ore grinding equipment granularity , grinding operations , forms of work can be divided into a period of grinding , two grinding , it is open , closed circuit , semi - closed or local closed circuit grinding , etc.;When closed-circuit conditions , the grinding equipment and grading into the grinding units , grinding equipment to check the grading by the grading machine , failed grain size will be returned to the mill grinding at this time will form a grinding mining cycle and has also been circulating load , when the mill through the slurry stable , the overflow traffic is equal to the ore amount , the entire grinding process tends to balance the amount of return sand than ore into a constant this time, cyclic loading of the balance; cyclic loading rate is too high is not enough ;

Despite high enough rate of cyclic loading can improve the productivity of the mill , but always reach back to 100 % classification efficiency , sand containing part of the qualified particle ; return the amount of sand to improve this part of the back to the grinding increase in the number of qualified equipment regrinding particles decision so intensified over crushed ; Moreover, the cyclic loading rate is too high , will not only damage to the grader , and will lead to the mill expansion , and therefore there is a limit cycle load ;

Loop load control : within a certain range , the productivity with the increase of the cyclic loading rate increase; other things being equal , if the classification of the particle size of the overflow product unchanged , while the increased productivity of the mill , then the cyclic loading rate improved; grinding equipment productivity unchanged , while the classifier overflow particle size is small, cyclic loading rate ;

Thus, in closed circuit grinding cycle , keep a steady and sufficient to return the amount of sand , is beneficial to improve the productivity of the mill .

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