Non-detachable Skeleton-Reinforced Hump Polyurethane Screen Mesh

Core Advantages

1. Built-in Robust Framework for Overall Stability and Impact Resistance

• Excellent Tensile and Tear Resistance: The screen panel is internally embedded with high-strength steel wire ropes or steel plate frameworks that have been precisely sandblasted and adhesively treated, achieving a molecular-level strong bond with the polyurethane material. This “rigid-flexible” composite structure endows the screen with extremely high tensile strength and load-bearing capacity, capable of withstanding severe impacts from large materials and high pressure from thick material beds, completely eliminating the risk of plastic deformation, collapse, or fracture under high-frequency vibration.

• Non-Detachable Integrated Design: The one-piece cast integral design ensures absolute structural integrity and sealing. Compared to modular spliced screens, it eliminates the possibility of material jamming or leakage at joints, greatly improving the operational reliability of the equipment.

2. Unique Hump Structure for Efficient Anti-Blocking and Self-Cleaning

• Three-Dimensional Second Harmonic Effect: The screen surface features a distinctive “hump” shaped ridge design, which not only increases the effective open area but also generates a strong “second harmonic” micro-vibration during operation. This high-frequency elastic fluctuation effectively shakes off moist and sticky fine particles adhering to the screen surface, fundamentally solving the blockage problem.

• Optimized Material Flow Guidance: The hump-shaped undulating surface accelerates material flow and stratification on the screen, and combined with a well-designed inverted tapered (trapezoidal) screen opening, allows qualified particles to pass through quickly, significantly improving screening efficiency and processing capacity.

3. Superior Wear and Corrosion Resistance for Extended Service Life

• Excellent Physical Properties: Made of premium wear-resistant polyester or hydrolysis-resistant polyether polyurethane, its abrasion resistance is 3-5 times that of ordinary rubber and 5-8 times that of metal screens such as high-manganese steel. Under high-wear conditions such as mining and coal washing, it resists cracking and structural damage, greatly reducing the frequency of spare parts replacement.

• Excellent Chemical Stability: Possesses extremely strong resistance to oil, acids and alkalis, seawater corrosion, and aging. Whether in strongly acidic ore leaching environments or humid sand-washing processes, it maintains stable performance without premature aging or failure.

4. Vibration Damping, Noise Reduction, Lightweight and Energy Saving

• Excellent Shock Absorption and Noise Reduction: The inherent damping characteristics of polyurethane effectively absorb impact energy from material falling and machine operation, reducing operating noise by 10-20 decibels compared to traditional metal screens, significantly improving the workshop working environment.

• Reduced Operating Energy Consumption: With a density only about 1/7 that of steel, the panels are extremely lightweight. While ensuring high mechanical strength, they significantly reduce the machine’s operational load, effectively saving electrical energy consumption during operation.

Technical Parameters

• Material: High-performance wear-resistant polyurethane elastomer + built-in high-strength metal framework (steel wire rope / steel plate)

• Structural Form: Non-detachable integral type + hump-shaped three-dimensional screen surface (customizable with slots, square holes, round holes)

• Dimensions: Maximum panel size up to 2500mm x 1200mm, thickness typically 30mm – 50mm; customized non-standard sizes available per drawings

• Hardness Range: Shore 85A – 92A (balancing extreme anti-blocking elasticity and wear-resistant load-bearing requirements)

• Temperature Range: -30℃ to 80℃ (normal operating conditions; special formulations can withstand higher temperatures)

Application Areas

Widely used in mining beneficiation (wet classification and dewatering of iron ore, gold ore, copper ore, etc.), coal washing (raw coal classification, clean coal desliming and dewatering), sand and gravel aggregate plants (mechanized sand classification, fine sand recovery and dewatering), as well as solid-liquid separation and precision filtration operations in chemical, building materials, and environmental protection industries. Particularly suitable for various medium and heavy-duty vibrating screening equipment with extremely high requirements for overall stability, impact resistance, and anti-blocking performance.