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Due to the complexity of the crushing process, it is difficult to accurately detect and control the process parameters in the crushing process. The crushing process control is mainly to adjust the feeding amount of the crusher and the size of the discharge port to maintain the load balance between coarse crushing, medium crushing and fine crushing and the continuity of production, improve the efficiency of the whole crushing operation, and reduce the final product granularity. Reduce energy consumption and improve economic efficiency. Multi-stage (coarse, medium crush, fine crush) crusher control is a complex control system that also includes interlocking and control of auxiliary equipment. Firstly, the automatic control system of the single-stage crushing unit is adopted, and the entire crushing system control is realized on this basis. Although there are many introductions to the control of crushers at home and abroad, such as control methods based on electricity current or power, unit power consumption, material level, etc.; in fact, more crusher load control is used.
The crusher control system can be a conventional instrument control system or a computer control system. Due to the large lag of the crushing process and the changing nature of the ore, the fuzzy controller (Fuzzy Controler) was introduced into the automatic control system of the crusher, and satisfactory results were obtained.
Brief description of automatic control of crushing process
The crushing process is a process in which the material mass is reduced, and is the first stage of processing the ore material. The crushing process is a very complicated process of dimensional change of the material block, which is related to the material resistance strength, hardness, toughness, shape, size, humidity, density and uniformity, as well as the interaction and distribution of the material block at the moment of breaking. The dimensional changes in the crushing process are complicated.