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Adjust according to the change of the grinding
In order to judge the working condition of the pulverizer , the operator should always listen to the sound or detect the grinding noise, especially the grinding of the bin (the operator should stand on the side where the grinding body lands when he hears the grinding). The nature of the material and the structure of the mill are different, and the sound is different. But for a certain Raymond Mill, under the condition that the nature of the material is basically stable, there is a certain rule for the grinding.
In normal mills, the sound of a warehouse is clear and loud. There is no "dada" sound from a steel ball, but there is a slight impact sound. Fine grinding warehouse has "shasha" grinding body friction sound. When the material is low, the sound is strong and the material is weak for a long time. When the voice of the warehouse becomes weak and it is boring, it means that the material is too much, or the amount of material is too large to adjust the feeding amount in time. It may also be that the material moisture is too large to block the material and cause the material to be discharged. Bad. If the sound is too strong, indicating that the material is too small mill, Raymond mill according to the change of tone, and appropriately increase or decrease the volume of feed, gradually adjust the grinding sound normal.
Adjust the feeding amount according to the fineness of the milled product
Raymond to open, when the particle size of the ground material, water, and so the end of the grindability changes, and thicker products described feeding too much; when the product becomes sewing, show too little feed; for a Closed-loop system, generally control the grinding material fineness in the 0.08mm square hole sieve remaining in 30% to 40%, the return material fineness in 65% to 70%, when the grinding material fineness meets the controlled index, When the product fineness is unsatisfactory, it is necessary to adjust the air separation plate or the small blade of the material selector.
Application of "electrical ear" to monitor the sound and control the feeding
Operators use the ear to judge that the sound is generally not sensitive enough, and the noise has a greater impact on the human body. “Electric ear†can be used to monitor the sound, and the amount of feed can be adjusted according to the change of the grinding of the milling equipment .
According to what aspects adjust Raymond Mill feed amount
In order to ensure the quality and output of Raymond Mill , not only the granularity, hardness, moisture and other conditions of the material, but also the amount of feeding is a key that can not be ignored. Now the technical staff of Zhengzhou Zhonglei Machinery will summarize it for you. According to what aspects to adjust the amount of feed to achieve a good use rate.