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Heavy Duty Roller Screen For Mining Construction Waste High Capacity Anti Clogging Screening Equipment from Zhongyu Dingli is a professional coarse-grain screening solution designed to handle the most challenging materials — mud-stone mix, construction waste, slag, soil-stone mix, and other soft-to-medium-hard materials where traditional vibrating screens fail due to clogging. As an experienced roller screen manufacturer, we engineered this equipment with frequency-conversion motor control and high-wear-resistance alloy rollers to deliver stable, continuous screening from 400 to 3,000 t/h across diverse industrial environments.
Key Highlights:
Application Scenarios: Roller screen for mining (ore pre-screening, scalping before crushing), construction waste roller screen (concrete chunks, bricks, demolition debris with soil), slag and industrial waste processing, soil-stone separation on infrastructure sites, and aggregate plant pre-grading in quarrying operations.
Standard Scalping / Pre-Screening Configuration:
Vibrating Feeder → DLGS Roller Screen → Oversized (>mesh) → Crusher (Jaw/Impact/Cone)
↓
Undersized (pass) → Direct to Product Belt or Next Processing Stage
Construction Waste Sorting Configuration:
Raw C&D Waste → DLGS Roller Screen (soil/fines removal) → Clean Aggregate → Impact Crusher / Stockpile
↓
Soil & Fines → Landfill / Earthwork Fill
Flexible Combinations: Works upstream of jaw crushers, impact crushers, double roll crushers, and cone crushers to protect downstream equipment from overloading; also pairs with mining feeders for steady controlled feed rates.
| Phase | Details |
|---|---|
| Solution Design | Custom selection of chute width (1500-3000mm), flat vs. tilted installation, feed capacity matching (400-3000 t/h), integration with existing crushing line |
| Equipment Manufacturing | High-quality alloy steel rollers; frequency-conversion motors; full pre-delivery quality inspection |
| Installation & Commissioning | On-site installation, motor frequency parameter setup, speed calibration to match material and production line |
| Operator Training | Speed adjustment via VFD panel, daily inspection, roller wear monitoring, maintenance schedule |
| After-Sales Support | 12-month warranty, spare roller and bearing supply, 24/7 technical hotline, preventive maintenance program |
| Model | Chute Width (mm) | Chute Length (mm) | Screening Area (m²) | Max Feed Size (mm) | Capacity (t/h) | Motor Power (kW) |
|---|---|---|---|---|---|---|
| DLGS1510 | 1,500 | 3,600 | 5.4 | <800 | 400–600 | 30×2 |
| DLGS1810 | 1,800 | 3,600 | 6.48 | <800 | 500–900 | 37×2 |
| DLGS2410 | 2,400 | 3,600 | 8.64 | <1,000 | 1,000–1,500 | 45×2 |
| DLGS2610 | 2,600 | 3,600 | 9.36 | <1,000 | 1,500–2,000 | 55×2 |
| DLGS3010 | 3,000 | 3,600 | 10.8 | <1,000 | 2,100–3,000 | 55×2 |
General Specs: Capacity range 400-3,000 t/h | Max feed ≤1,000mm | Screening area 5.4-10.8 m² | Dual-motor drive | VFD speed control | Flat or tilted installation
Case 1 — Limestone Quarry Pre-Screening (Southeast Asia)
Case 2 — Construction Waste Recycling Plant (Middle East)
Case 3 — Iron Ore Mine Scalping (Africa)
Q1: Why choose a roller screen for mining over a traditional vibrating screen for wet or high-clay materials?
A: Standard vibrating wire-mesh screens rely on screen holes that physically block when wet, sticky, or clay-coated particles bridge the openings — reducing effective screening area by 40-60% and requiring frequent manual cleaning. The roller screen for mining uses rotating cylindrical rollers with adjustable gaps instead of fixed mesh. Material passes through the gaps between rollers by gravity and rotation action; there are no holes to block. This makes it the ideal anti clogging screening equipment for mud-stone mix, damp construction waste, slag, and soil-bearing ores where conventional screens fail. Coupled with frequency-conversion speed control, the roller rotation rate is tuned precisely to material flow characteristics for consistent performance across seasons and material moisture variations.
Q2: What is the maximum feed size this heavy duty roller screener can handle, and what materials are suitable?
A: The heavy duty roller screener DLGS series handles maximum feed sizes up to 1,000mm (DLGS2410/2610/3010 models) or 800mm (DLGS1510/1810 models), covering virtually all run-of-mine and demolition feed materials. Suitable materials include: limestone, granite, basalt, iron ore, coal, slag, and mixed ores in mining applications; concrete chunks, brick, tile, asphalt, and soil-debris mix in construction waste roller screen applications; and river gravel, sand-mud mix, and tailings in aggregate processing. The equipment is specifically rated for soft to medium-hard materials (Mohs hardness typically ≤6), making it the standard pre-screening choice before hard rock primary crushers.
Q3: How does the variable speed frequency-conversion motor benefit operations, and what support does the roller screen manufacturer provide for installation and long-term maintenance?
A: The VFD (Variable Frequency Drive) motor control enables operators to adjust roller speed from the control panel without mechanical changes — slower speed for heavy, chunky materials requiring longer dwell time for soil separation; faster speed for lighter, drier feeds requiring quick throughput. This adaptability means a single high capacity vibrating screen machine configuration serves multiple material types and production shift requirements. As a dedicated roller screen manufacturer, Zhongyu Dingli provides full on-site installation support including VFD parameter commissioning, speed calibration trials with actual production material, and training on preventive maintenance — monitoring roller bearing temperature, alloy wear patterns, and motor current draw. All rollers and bearings are standardized spare parts stocked globally with a 12-month warranty and 24/7 technical support hotline ensuring your operation stays productive across all time zones.
Our sand and gravel aggregate production lines boast extensive and all-round coverage, and we offer a complete range of configurations from individual standalone equipment to full turnkey production lines, including Crushing Equipment, Sand Making Equipment, Screening Equipment, Feeding Equipment, Mining Conveyor and Mobile crusher. We provide customized crushing and processing solutions for a full spectrum of materials including bluestone, limestone, basalt, granite, pebble, coal gangue, calcite, quartz stone, dolomite, iron ore, barite, diabase, tuff and high calcium limestone, as well as targeted processing solutions for kaolin. We also deliver professional crushing solutions for industrial solid wastes such as slag and tailings, and comprehensive treatment solutions for construction & demolition waste. In addition to fixed production line solutions for various materials, we also supply flexible Mobile Crawler Unit Solutions to meet diverse on-site operation needs of sand and gravel aggregate production.
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Main Product:
Crushing Equipment,
Sand Making Equipment,
Screening Equipment,
Feeding Equipment ,
Mining Conveyor,
Mobile Crusher
