Among the core components of the Raymond mill, the grinding roller holds a crucial position. When the equipment is in operation, the grinding rollers rotate at high speed along the track, and through repeated impact and grinding, the materials are processed into fine particles. For users who have been using Raymond mills for a long […]
Among the core components of the Raymond mill, the grinding roller holds a crucial position. When the equipment is in operation, the grinding rollers rotate at high speed along the track, and through repeated impact and grinding, the materials are processed into fine particles. For users who have been using Raymond mills for a long time, the stable operation of the grinding rollers is directly related to the output and fineness of the finished product. In actual production, grinding rollers often experience "roller lifting" faults due to external factors, resulting in the equipment being unable to operate normally. Based on years of industry experience, Shanghai Cronus provides you with a detailed analysis of the core reasons for the lifting of the roller in the Raymond mill and the corresponding solutions.
As the core equipment of the ore grinding production line, the stable operation of the Raymond mill directly affects the efficiency of the entire production line. "Lifting the grinding roller" is a common type of fault in production. Its essence is that the grinding roller cannot normally adhere to the grinding disc for grinding operations. It is often related to key factors such as material supply and system pressure. The specific reasons and solutions are as follows:
When the feeding amount is too small, the material layer on the grinding disc cannot form effective support, which can easily cause severe vibration of the equipment and indirectly lead to the lifting of the grinding roller. Even if no obvious vibration occurs, an overly thin material layer can cause the grinding roller to lose its normal grinding support, resulting in abnormal descent and triggering the roller lifting protection.
Precisely adjust the feeding system, moderately increase the feeding amount, ensure the formation of a uniform and stable material layer on the grinding disc, provide a reliable grinding foundation for the grinding rollers, and at the same time avoid the risk of roller lifting caused by vibration.
Excessive material supply Contrary to insufficient materials, excessive feeding will cause a sudden increase in the load on the grinding disc, not only triggering intense vibration of the equipment but also leading to abnormal pressure in the hydraulic system of the grinding roller - if the pressure applied by the grinding roller or the pressure when lifting the roller fails to reach the set standard for a long time, the system will automatically trigger the protection mechanism, stop the operation of the grinding roller and lift it to prevent component damage, ultimately causing the equipment to shut down.
Immediately reduce the feeding amount and recalibrate the thickness of the material layer on the grinding disc. At the same time, stop the machine to clear the excessive material accumulated in the conveying pipeline and the grinding chamber. After the material is completely discharged, restart the equipment and adjust it to a reasonable feeding rhythm to ensure that the pressure of the hydraulic system remains stable within the set range.
Raymond mill is a complete set of production line equipment. Any abnormal parameter in any link may cause a chain of faults. In the process of ore processing, strictly controlling the feeding amount is the core prerequisite for avoiding roller lifting faults. In addition, regular inspection and maintenance of the hydraulic system and feeding device can also effectively reduce the occurrence rate of faults. If you encounter any other difficult problems during the operation of the equipment, you can contact the Shanghai Cronus technical team at any time to obtain customized solutions.
