With a wide variety of vibrating screen products on the market, choosing one that meets the needs of grain silos is a key concern for many practitioners. This article will explore the selection criteria for vibrating screens based on grain types, processing capacity requirements, and equipment performance parameters.
Different grains, such as wheat, corn, and rice, have varying characteristics in terms of particle size, shape, and density. For small and irregularly shaped grains like wheat, choose a vibrating screen with smaller screen holes and finer screen material to improve screening accuracy.
For larger and more regular grains like corn, screen hole size can be increased to 3 - 4mm to enhance screening efficiency. Additionally, the screen surface for corn can be made of wear-resistant polyurethane material to extend the screen life.
In addition to screen hole size and material, grain characteristics also affect the type of vibrating screen. For example, grains that easily generate static electricity, such as rice, should have anti-static features in the vibrating screen to prevent grain adhesion and reduced screening efficiency. Vibrating screens with grounding devices or made from anti-static materials can be selected.
The scale of the grain silo and the daily processing capacity of grain intake and discharge are important factors in selecting a vibrating screen. Small grain silos with low daily processing volumes can opt for vibrating screens with moderate processing capabilities.
Large grain silos, on the other hand, need to be equipped with multiple large vibrating screens or multi-layer screen vibrating screen equipment to meet the large-scale grain screening requirements. This ensures that grains are screened and stored or discharged within the specified time.
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