Multi-Layer Screen
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Multi-layer Parallel Stacking, Small Footprint & Doubled Capacity: Vertical stacked design avoids series arrangement of multiple screens, cutting floor space by over 60% and saving workshop investment, perfectly matching large-scale aggregate and mineral processing lines with high throughput demand.
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High-frequency Linear Vibration & Anti-blinding PU Screen Mesh: Equipped with high-open-area wear-resistant polyurethane screens and high-frequency small-amplitude vibration, it effectively eliminates screen blinding caused by fine sand, mineral pulp and sticky sludge, with grading efficiency above 85%.
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Heavy-duty Welded Frame, Anti-abrasion & Long Service Life: The whole machine is welded with thickened steel plates, lined with wear-resistant plates inside screen frames, enduring long-term pulp erosion and sand abrasion, suitable for harsh dusty & humid mining working conditions.
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Easy Maintenance & Convenient Screen Replacement: Modular independent structure enables separate disassembly of each deck. Screen mesh replacement can be finished without whole machine disassembly, shortening downtime and improving continuous operation rate of production lines.
1. Product Overview
Mining multi-layer stacked screen, also named stacked high-frequency fine screen, is heavy-duty screening equipment specially for wet fine grading, dewatering and desliming in aggregate and mineral processing industries. It adopts 2-5 stacked screen decks arranged in parallel vertically, driven by shared YZO vibrating motors to generate linear high-frequency excitation force. Each deck features independent feeding, screening and discharging. Its throughput is 3-5 times that of single-layer screens with same floor space. Widely applied for wet manufactured sand purification, mineral pulp fine grading, tailings dewatering and coarse slime separation, it is standard fine screening equipment for aggregate lines and metal ore dressing plants.
2. Detailed Description
Two symmetric YZO vibrating motors run reversely and synchronously to drive the whole stacked screen box for stable linear high-frequency vibration. Raw materials are evenly divided to each independent screen deck via top distributor, with mesh apertures decreasing from top to bottom. Materials jump forward on inclined screens at high frequency. Coarse particles discharge from screen ends while fine pulp penetrates screens and collects below. Each deck can adjust inclination angle and replace screen mesh separately. Multiple finished fractions can be separated in one feeding process, finishing grading and dewatering simultaneously.
3. Why Choose Us
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Vertical stacked multi-deck layout, compact footprint & concentrated throughput: 3~8 stacked decks integrate into one unit, replacing multiple single-deck screens in series to cut floor space drastically. Centralized feeding & grading doubles screening area per square meter, ideal for compact concentrators and production line retrofits.
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High-frequency vibration & layered screening, precise fine particle classification: High frequency vibration loosens slurry/powder for sequential layered separation down to 0.063mm, delivering sharp cut points and notable concentrate enrichment, perfect for wet classification and desliming in iron, copper and coal processing.
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Individual feeding + wear-resistant screen panels, anti-blinding & long service life: Forced uniform feeding ensures even material distribution across decks; PU/alloy screens with ball cleaners and anti-clog triangular openings resist abrasion and blinding, extending continuous runtime and reducing screen replacement frequency.
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Dual motor synchronized drive, stable operation & low power consumption: Dual vibrator linear excitation with rubber spring isolation minimizes dynamic load and noise, cutting power use by over 20% vs series single screens; no heavy foundation required, enabling floor mounting in multi-story plants.
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Modular deck structure, fast maintenance & minimal downtime:Individual decks can be accessed and replaced separately without full machine disassembly; clustered discharge outlets easily connect conveyors and pump boxes, speeding up grade change and cleaning to cut downtime losses.
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Wide working adaptability, dry/wet use across multiple industries:Suitable for wet slurry classification/desliming and dry fine screening of aggregate/chemical powder, serving metallurgy, aggregate, coal, building materials and chemicals; variable frequency adjusts amplitude/frequency to adapt to flow shifts and automated lines.
4. Specifications & Technical Data
| English Parameter | Unit | Description |
| Model No. | – | Equipment model |
| Number of Screen Decks | layer | Quantity of stacked layers |
| Single Deck Size | mm | Width × Length |
| Total Screening Area | ㎡ | Total effective screening area |
| Screen Inclination Angle | ° | Adjustable installation angle |
| Vibration Frequency | Hz / r/min | Vibration times per minute |
| Vibration Amplitude | mm | Vibration stroke |
| Screen Mesh Material | – | PU / Stainless steel |
| Mesh Aperture Size | mm | Opening size of screen panel |
| Slurry Processing Capacity | m³/h | Wet ore pulp throughput |
| Dry Ore Handling Capacity | t/h | Dry material processing rate |
| Total Vibration Motor Power | kW | Total power of dual motors |
| Power Supply | V / Hz | Standard power voltage & frequency |
| Overall Dimension | mm | Length × Width × Height |
| Net Machine Weight | t | Machine weight without support |
| Feeding Structure | – | Uniform distribution feeding box |
| Damping System | – | Rubber spring suspension |
| Applicable Working Conditions | – | Classification, dewatering, dry screening |
| Model | 3Z1014 (3 decks) | 4Z1014 (4 decks) | 5Z1416 (5 decks) |
| Number of Decks | 3 decks | 4 decks | 5 decks |
| Single Deck Dimension | 1000×1400 mm | 1000×1400 mm | 1400×1600 mm |
| Total Effective Screening Area | 4.2 ㎡ | 5.6 ㎡ | 11.2 ㎡ |
| Screen Inclination Angle | 18° | 18° | 17.5° |
| Vibration Frequency | 25Hz (1500r/min) | 25Hz (1500r/min) | 25Hz (1500r/min) |
| Vibration Amplitude | 1.5 mm | 1.5 mm | 1.6 mm |
| Standard Mesh Aperture | 0.1~1.0 mm | 0.074~1.0 mm | 0.045~2.0 mm |
| Slurry Processing Capacity | 12~28 m³/h | 16~36 m³/h | 30~70 m³/h |
| Dry Material Handling Capacity | 10~22 t/h | 14~28 t/h | 25~50 t/h |
| Total Motor Power | 2.2kW×2=4.4kW | 2.2kW×2=4.4kW | 3.0kW×2=6.0kW |
| Overall Dimension (L×W×H) | 2800×1300×2100 mm | 2800×1300×2400 mm | 3400×1700×2800 mm |
| Net Weight | 3.2 t | 4.0 t | 5.5 t |
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