Screening machines are core equipment for separating material particles in fertilizer production. Proper operation directly impacts grading accuracy and equipment life. The following key points should be carefully considered during operation.
A thorough inspection before startup is essential for safe operation. Verify the screen tension. Loose or damaged edges should be replaced immediately to prevent material leakage. Check the lubrication of the vibration motor and bearing seat. Add special lubricant according to the instructions to prevent insufficient oil levels and increased component wear. Clean the screen surface and surrounding area to prevent foreign matter from being drawn in after startup. Also, adjust the screen angle according to the material characteristics: for sticky materials, adjust to a higher angle to minimize clogging, and for light powders, adjust to a lower angle to ensure accuracy.
Real-time monitoring of parameters is essential during operation. Follow the "no-load start" principle during startup. Feed evenly after the equipment is operating steadily to avoid excessive load and motor burnout. Observe the material distribution and adjust the feed inlet position if unevenly loaded to prevent resonance within the screen. Pay attention to the equipment's sound. A steady vibration is normal. Any metallic clanging sound may indicate a loose screen or loose fasteners, requiring immediate shutdown. Control the single feed volume to maintain uniform material thickness on the screen surface, avoiding over-screening, incomplete screening, or insufficient screening that reduces efficiency.
Daily maintenance determines the lifespan of the equipment. Clean the screen after each shift. Wet material clumps can be removed with a high-pressure water jet or a soft-bristle brush. Check the elasticity of the vibration spring weekly and replace any deformation or aging to ensure stable amplitude. Inspect the transmission components monthly, tighten bolts, and replace worn bearings. Regularly check the vibration frequency of the vibration screener and adjust it through the control cabinet if it deviates from the set value.
Following these precautions will ensure efficient operation of the screening machine, extend its lifespan, and provide reliable particle size control for fertilizer production.
