Failure of the supporting wheel of the rotary kiln may directly lead to abnormal operating conditions of the kiln. Monitoring the operating status of supporting wheels and providing early warning can greatly reduce the occurrence of rotary kiln failures. This article proposes an online monitoring system for the force on the supporting rollers of a rotary kiln based on the VMD algorithm, which monitors the axial and radial forces on the supporting rollers. This system consists of a laser displacement sensor, ZigBee communication technology and VMD signal processing method to monitor changes in the axial displacement and radial eccentricity of the supporting wheel. This system has been proven effective after actual deployment in a cement plant in Sichuan. It can prevent and reduce possible failures of supporting wheels, extend the operating life of the rotary kiln, and increase economic benefits.
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Liu et al. (2024) studied this question.
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