Description: The corn screening vibrating screen mesh is a core wear-prone accessory of grain vibrating screens, cleaning screens and gravity screens. It is used in the corn primary cleaning and front-end impurity removal processes of deep processing to clean dust, broken grains, bran, straw, stones, moldy kernels and large lumps of impurities from corn raw materials, achieving grading and impurity separation. The screen mesh is installed on the screen frames of grain linear vibrating screens, rotary cleaning screens and corn primary cleaning screens, and material screening is accomplished by the vibration of the screen body. It is required to be impact-resistant, not easy to clog, wear-resistant, not easy to rust and to meet the hygiene requirements of grain processing.
1. Stainless Steel Woven Screen Mesh (304 Preferred, Food Grade)
Applications: Edible corn, corn starch, sorbitol, corn deep processing production lines and food processing plants.
Advantages: Rust-proof, meeting hygiene standards, with a smooth surface so that corn kernels are not easy to stick and clog the mesh; good toughness, suitable for grading with small and medium apertures.
Common aperture sizes: 3.0mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm and 6mm (for separating broken corn kernels from whole corn kernels).
2. Galvanized Low-carbon Steel Wire Screen Mesh
Applications: Corn coarse screening in feed mills, preliminary removal of large impurities and simple outdoor cleaning lines.
Advantages: Low price; Disadvantages: Prone to rusting in humid environments, not recommended for edible corn processing.
3. Polyurethane Screen Mesh (Slotted Screen / Perforated Polyurethane Plate)
Applications: High-yield large-scale corn cleaning lines, wet corn and raw materials with high impurity content, and working conditions with high anti-clogging requirements.
Advantages: High elasticity, anti-clogging, wear resistance and noise reduction, resisting corn impact; the open area ratio is slightly lower than that of woven mesh.
Disadvantages: Average high-temperature resistance and higher cost than metal woven mesh.
4. Perforated Steel Plate Screen
Applications: Front-end coarse screening to intercept large impurities such as straw, soil clods and large stones.
Features: High rigidity and impact resistance; mainly used in the upper coarse screening layer; relatively heavy.
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