Flip-Flow Screen
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Powerful Self-cleaning & Anti-blinding for Sticky Wet Materials: High-frequency flip-flow delivers 50G acceleration to eject sticky particles. No mesh clogging during continuous screening of loam, wet raw coal and weathered ore, eliminating frequent manual cleaning downtime.
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Wear-resistant Flexible PU Panels with Double Service Life: Integral elastic PU panels resist bending and abrasion, service life 2–3 times longer than steel mesh. Prying quick-install design allows single-person fast replacement without full machine disassembly.
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Resonance Low-load Frame, Low Foundation Pressure & Noise: Double-mass resonance damping cuts ground vibration with isolation efficiency over 97%, no damage to plant foundation and much lower noise than standard linear & circular vibrating screens.
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Large Throughput & High Separation Accuracy, Energy-saving: 30%-50% higher throughput than conventional screens under same floor space with stable fine grading accuracy. Power consumption reduced by 15%-20% to cut long-term operation cost.
1. Product Overview
Flip-Flow Screen is a high-efficiency double-mass resonance screening machine customized for high-moisture, sticky, blinding-prone hard-to-screen materials. It adopts floating frame and elastic polyurethane flip-flow panels as core structure. The screen surface stretches and relaxes hundreds of times per minute, generating ultra-high throwing acceleration up to 50G to fundamentally eliminate mesh blinding caused by wet mud and fine coal. Equipped with 1–3 flexible decks, its separation size ranges from 0.5 mm to 40 mm. Built with heavy steel plates, it fits heavy-duty coarse & fine classification of coal, mine ore, construction waste and clay, serving as ideal replacement for conventional vibrating screens in sticky wet working conditions.
2. Detailed Description
It adopts double-mass resonance system with single exciter. Eccentric vibrator drives basic vibration of outer screen box, while internal floating frame moves reversely against fixed beam. PU flexible panels fixed on both ends stretch and relax alternately for high-frequency deformation. Materials bounce violently under ultra-high acceleration, sticky clay and fine wedged particles eject automatically. Fine materials pass through panels while lumps discharge along inclined decks. Adjustable excitation force and deck angle adapt to materials with various moisture content.
3. Materials
Wet raw coal, lignite, coal slime, coke, clay, weathered muddy ore, tailing fine sand, muck, construction waste mixture, river silt, organic fertilizer, damp aggregate, sticky mineral powder and other agglomerative muddy wet materials.
3. Why Choose Us
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Flip-flow dual-mass resonance, elastic screen with 50g high throwing acceleration: Adopts dual-mass resonance of fixed and floating beams. Polyurethane panels stretch & relax rapidly at 800–1500 cycles/min with 50g acceleration, breaking clods and sticky mud thoroughly to boost fines penetration for hard-to-screen wet materials.
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Inherent self-cleaning anti-blinding design, no mesh clogging for high-moisture slime: Unlike rigid screens, flexible panels shake off stuck coal slime, clay and fiber waste automatically. Stable operation for 15% moisture coal, organic fertilizer and stale construction waste without frequent shutdown cleaning.
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Deep fine sizing, ≥95% screening efficiency for wet fines below 3mm: Optimized thin-layer feeding spreads materials evenly. Higher throughput within same footprint, 30% capacity up vs linear screens. Ideal for lignite, washed sand slime and fermented organic fertilizer to maximize fine product yield.
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Modular polyurethane flip-flow panels, quick pop-out replacement & long wear life: Segmented modular panels with pop-out mounting for fast replacement without full disassembly. High-wear PU lasts over 4000 hours, cutting screen replacement frequency by 70% vs stainless steel mesh.
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Single-shaft eccentric exciter, low noise & power consumption, 97% vibration isolation: Long-life eccentric exciter bearings serve over 20000h with adjustable excitation force. Sub-resonance operation saves power; advanced shock absorber achieves 97% isolation, requiring no heavy reinforced foundation for easy installation.
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Multi-layer split integrated frame, flexible for solid waste & coal mining working conditions: Customizable single/double/triple decks for integrated coarse removal & fine sizing. Universal for coal sizing, construction waste soil-stone separation, organic fertilizer grading and tailings pre-screening, easy to connect with conveyors, crushers and dewatering screens.
4. Specifications & Technical Data
| English Item | Standard Spec |
| Sieving Efficiency | 85%~98% |
| Driving Mode | Eccentric Block Vibrator Drive |
| Screen Panel Material | High Elastic PU Flip-Flow Panel |
| Panel Fixing | Non-bolt Quick Snap Installation |
| Shock Absorber | Composite Rubber Spring |
| Vibration Isolation Rate | ≥97% |
| Operating Noise | ≤76dB |
| Power Supply | 380V/50Hz |
| Applicable Material Moisture | 10%~35% |
| Model No. | WCZS-1340 | WCZS-1650 | WCZS-2055 | WCZS-2470 | WCZS-3085 |
| Screen W×L (mm) | 1300×4000 | 1600×5000 | 2000×5500 | 2400×7000 | 3000×8500 |
| Single Deck Effective Area (㎡) | 5 | 8 | 11 | 16.8 | 25.5 |
| Screen Layers | 1 | 1 | 1 | 2 | 2 |
| Screen Inclination Angle (°) | 15~18 | 15~18 | 16~20 | 18~22 | 18~25 |
| Vibration Frequency (r/min) | 750 | 750 | 750 | 750 | 750 |
| Main Screen Box Amplitude (mm) | 10~13 | 10~13 | 10~13 | 11~14 | 12~16 |
| Floating Deck Flip-Flow Stroke (mm) | 20~24 | 20~24 | 22~25 | 22~26 | 24~28 |
| Material Acceleration | 40~50G | 40~50G | 40~50G | 40~50G | 40~50G |
| Standard Aperture Size (mm) | 3~20 | 3~25 | 3~30 | 6~30 | 6~50 |
| Max Feed Size (mm) | ≤100 | ≤150 | ≤200 | ≤300 | ≤500 |
| Standard Capacity (t/h) | 40~80 | 80~150 | 150~260 | 280~600 | 600~1200 |
| Vibrator Motor Power (kW) | 7.5 | 11 | 22 | 37 | 55 |
| Machine Net Weight (t) | 4.2 | 6.8 | 11.5 | 22.4 | 46.8 |
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