The feeding control system of the raymond mill uses the closed-loop automatic control. You must first establish the systematically mathematical model for the system, design the speed controller and hardware device, put forward reasonable system strategy and write corresponding control software.
There are a lot of control methods. In terms of the PID control, the design calculation and the control structure are very simple, which are very suitable for the actual engineer. In terms of the PJD control, the accurate mathematical model for the control plan is not needed. Therefore, the control effect for the PID control is very satisfying. Therefore, the PID controller is widely used in the actual practice. The feeding control in this article is established based on the PID principle to establish the closed-loop control model to verify the correctness of the establishment of the model and achieve the simulation experiment of the control model.
The dragging motor of the millstone of the Raymond mill is the main motor, which can be used for automatic start and stop. The dynamic braking can be used for rapid stop, which can increase the response speed and working efficiency. The PJD control calculation is used in the feeding control. The roller mill system of the Raymond mill is the ideal solution for size reduction applications requiring pulverizing of soft to medium hard materials. Ideal applications include various clays such as fire clay, bentonite and kaolin as well as other minerals like barytes, gypsum, limestone, hydrated lime, phosphate rock, talc and coal. Manufactured materials such as pigments, phenolic resins or similar materials can also be processed in a roller mill system.
When the Raymond mill works, it is ideal to maintain the material level in the storage cylinder at the center position. As a result, the material level in the control model had better be set about 50% about the height. In the actual operation, the feeding control system can be used to control certain room of the Raymond mill. The control requirements are not very high.
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