Spiral Sand Washer
Screw Type High Cleaning Rate Sand Washing Machine 20-400T/H for Coarse Aggregate Desliming
Spiral Sand Washer (also known as Screw Sand Washer) is professional heavy-duty sand washing, desliming and grading equipment. Different from wheel-type washers, it adopts long spiral screw propulsion stirring technology to realize deep mud removal and sand-water separation. Featuring ultra-high cleaning rate, large throughput, strong coarse aggregate adaptability and integrated grading & dewatering, it is the preferred equipment for high-mud coarse sand and large-scale sand aggregate production lines.
Save Cost
Large Capacity
High Efficiency
What is Spiral Sand Washer?
In traditional sand and gravel processing, wheel-type sand washers are widely used but have obvious limitations: shallow cleaning effect, poor removal capacity for high-mud and viscous clay impurities, and poor adaptability for coarse aggregate. For raw sand with high soil content and large particle size, wheel washers cannot achieve deep desliming, resulting in unqualified finished sand, low construction strength and low market value. In addition, ordinary washing equipment cannot integrate grading and washing functions, requiring additional sorting equipment and increasing project investment.
Our Spiral Sand Washer perfectly solves the above industry pain points with unique spiral stirring and propulsion structure. The rotating screw continuously stirs, flips and pushes materials in the water tank, realizing full contact separation of sand, mud and water to complete deep desliming. It integrates washing, grading and dewatering functions in one unit, with outstanding processing advantages for coarse sand and high-mud materials. With large single-machine capacity, high cleaning purity and stable operation, it is widely used in quarries, sand plants, hydropower projects and infrastructure aggregate processing.
Complete Machine Configuration & Composition of Spiral Sand Washer
1. High-Power Spiral Screw Stirring System
Adopts integral thickened spiral blade design with large contact area and strong propulsion force. The continuous rotary stirring mode breaks the adhesion between clay and sand particles, thoroughly stripping viscous mud, dust and organic impurities that cannot be cleaned by ordinary wheel washers. The uniform propulsion speed ensures consistent washing effect of each batch of materials, realizing deep and thorough desliming operation.
2. Integrated Washing, Grading & Dewatering Structure
Different from single-function washing equipment, the spiral sand washer completes three core processes in one cycle: impurity washing and separation, particle size grading according to material specific gravity, and natural dewatering and draining. It automatically separates fine mud and light impurities from qualified coarse sand, realizing one-step production of high-purity finished sand, simplifying production line configuration and saving equipment investment.
3. Isolated Bearing & Fully Sealed Transmission Device
The core bearing parts adopt external isolated protection structure, completely separated from water and materials to avoid silt erosion and water inflow. Matched with fully sealed gear transmission system, it prevents lubricating oil deterioration and mechanical rust. The optimized transmission structure runs smoothly with ultra-low failure rate, adapting to long-term high-load outdoor harsh working conditions.
4. Adjustable Overflow Weir & Precise Grading
Equipped with flexible adjustable overflow weir plate, which can freely control water level and material residence time according to raw sand mud content and particle size. It precisely controls the separation standard of fine mud and qualified sand, ensuring adjustable cleaning fineness and stable finished sand quality. It can meet different aggregate standards of ordinary construction and high-grade engineering.
5. Thickened Wear-Resistant Reinforced Structure
The spiral blades, tank body and lining plates are made of high-strength wear-resistant steel through integral casting and thickening treatment. The anti-impact and anti-abrasion structure adapts to long-term stirring and friction of hard coarse aggregate. The vulnerable parts have long service life, reducing frequent replacement and daily maintenance costs.
6. Large Tank Body & High Throughput Design
Optimized large-capacity water tank and lengthened spiral stroke design extend material washing cycle, improve cleaning thoroughness, and greatly increase single-machine processing capacity. The smooth material propulsion track avoids material accumulation and blocking, ensuring continuous and efficient operation of large-scale production lines.
Core Product Advantages of Spiral Sand Washer
1. Higher Cleaning Rate Than Wheel Sand Washer
Benefiting from deep spiral stirring and flipping principle, the spiral sand washer has a far better desliming effect than traditional wheel-type equipment. It can thoroughly remove viscous clay and fine mud impurities, with cleaning rate up to 99%. The finished sand has extremely low mud content, high purity and strong adhesion, fully meeting high-standard engineering aggregate requirements.
2. Strong Coarse Aggregate Adaptability
This screw sand washer is specially optimized for coarse sand and large-particle aggregate. It has strong bearing capacity and no material blocking phenomenon, perfectly solving the problem that wheel washers are difficult to clean coarse materials. It is the best choice for river stone coarse sand, crushed stone aggregate and high-mud raw sand processing.
3. Integrated Multi-Function, Save Production Cost
One machine integrates washing, desliming, grading and dewatering functions, eliminating the need for additional grading and dewatering equipment. The simplified production flow reduces equipment configuration and civil engineering investment. The compact structure saves workshop space, bringing higher cost performance for sand and gravel plants.
4. Large Capacity & High Production Efficiency
The lengthened spiral propulsion structure and large tank body design support 20-400T/H super large processing capacity. The continuous feeding and discharging cycle realizes uninterrupted batch production. Compared with ordinary washing equipment, the unit output is increased by 20-30%, perfectly matching large-scale sand and gravel production lines.
5. Stable Operation & Low Failure Rate
External isolated bearing structure avoids silt erosion damage, and the fully sealed transmission system ensures stable power output. The whole machine has firm structure, low vibration and low noise. It can operate stably for a long time under high-mud, high-corrosion and harsh outdoor working conditions, with low downtime and high production continuity.
6. Simple Maintenance & Long Service Life
The wear-resistant spiral blades and lining plates adopt modular design, which is convenient for quick disassembly, inspection and replacement. The isolated lubrication system reduces part wear and aging speed. With fewer vulnerable parts and simple daily maintenance, the long-term comprehensive operation cost is significantly lower than other washing equipment.
Working Principle & Production Flow of Spiral Sand Washer
Working Principle
The Spiral Sand Washer adoptsspiral rotary stirring propulsion + specific gravity separation washing principle. Raw sand and coarse aggregate materials are evenly sent into the long water tank. Driven by the motor, the spiral blade rotates continuously to stir, flip and push the materials forward.
During the continuous stirring process, light impurities such as soil, clay and fine mud are fully dissolved in the water and overflow out of the tank with the circulating water flow. Heavy qualified sand particles are continuously pushed upward by the spiral and naturally dewatered during the propulsion process, finally discharged as high-purity finished sand. It realizes automatic integration of washing, desliming, grading and dewatering, forming efficient circulating sand cleaning production.
Standard Production Flow
Raw Coarse Aggregate Feeding → Water Tank Full Stirring Washing → Deep Mud-Impurity Separation → Spiral Propulsion Grading → Natural Dewatering Draining → High-Purity Sand Discharging → Mud Water Circulation Treatment → Finished Sand Stacking
Application Scenarios of Spiral Sand Washer
Spiral Sand Washer is specially designed for high-mud and coarse aggregate washing scenarios, widely used in large quarries and sand and gravel plants. It is suitable for deep desliming and purification of river sand, machine-made coarse sand, gravel, limestone and basalt aggregate. The high-cleanliness finished sand is widely used in concrete mixing stations, highway pavement, railway engineering, hydropower construction, municipal infrastructure and other high-standard engineering projects, and is the core supporting equipment for large-scale coarse aggregate production lines.
Core Application Fields: Coarse aggregate deep desliming, high-mud sand purification, large-scale sand plant processing, road & hydraulic engineering aggregate production
Global Project Cases of Spiral Sand Washer
Case 1: High-Mud River Sand Purification Project | Malaysia Sand Plant
Project Info: The local river sand has high clay content, and traditional wheel washers cannot remove viscous mud completely, resulting in unqualified sand quality. After adopting our spiral sand washer, the deep spiral stirring thoroughly strips clay impurities, with cleaning rate reaching 99%. The finished sand meets high-grade concrete standards, greatly improving product market competitiveness and customer profit margin.
Case 2: Coarse Aggregate Washing Project | Vietnam Quarry
Project Info: The customer needs large-volume coarse gravel aggregate cleaning for highway construction. Our double-spiral sand washer features large throughput and strong coarse material adaptability, solving the blocking and incomplete cleaning problems of wheel equipment. The stable 24-hour continuous operation ensures sufficient aggregate supply for highway projects, with low failure rate and high production efficiency.
Case 3: Large-Scale Sand Production Line | Indonesia Aggregate Factory
Project Info: The customer’s production line requires integrated washing and grading to reduce equipment investment. Our spiral sand washer integrates washing, desliming and grading functions, simplifying the production process. The energy-saving and stable operation reduces daily operating costs, helping customers realize high-efficiency and low-cost large-scale sand production.
FAQs of Spiral Sand Washer
Q1: What is the difference between spiral sand washer and wheel sand washer?
A: Spiral sand washer adopts deep spiral stirring washing, with higher cleaning rate (≥99%), better desliming effect for viscous mud, stronger coarse sand adaptability and integrated grading function. Wheel washers are suitable for fine sand conventional cleaning, while spiral models are more suitable for high-mud and coarse aggregate scenarios.
Q2: What materials can spiral sand washer process?
A: It is mainly used for river sand, machine-made coarse sand, gravel, limestone, basalt and other coarse and medium-grained aggregates, especially suitable for raw sand with high mud and high viscosity impurities.
Q3: What is the capacity range of spiral sand washer?
A: The full series covers 20-400T/H, including single-spiral small and medium models and double-spiral large-capacity models, which can meet the production needs of small workshops and large-scale quarries.
Q4: Does spiral sand washer waste water?
A: No. It can be matched with sedimentation tank and circulating water system to realize repeated water utilization, with low unit water consumption and green environmental protection operation, meeting international environmental protection standards.
Q5: Is the spiral sand washer easy to block?
A: No. The optimized spiral propulsion structure and large tank body design ensure smooth material operation, no accumulation and no blocking, even for coarse aggregate and high-mud materials, with stable continuous production.
Technical Parameters of Spiral Sand Washer
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Item
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Specification
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Machine Model
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LX750 / LX1000 / LX1200 / LX1500 / LX2000 (Single/Double Spiral Customizable)
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Processing Capacity
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20 – 400 T/H
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Max Feeding Particle Size
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≤20mm Coarse aggregate adaptation
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Cleaning Rate
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≥99% Ultra-high desliming purity
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Spiral Structure
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Single spiral / Double spiral optional
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Motor Power
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1.1 – 15KW Energy-saving configuration
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Dewatering Effect
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Low moisture finished sand, easy stacking
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Core Advantage
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Deep desliming, coarse sand friendly, integrated grading
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Transmission Mode
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Fully sealed isolated transmission
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Applicable Materials
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River sand, artificial sand, gravel, basalt, limestone coarse aggregate
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Application Industries
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Quarry, sand plant, concrete mixing station, road & hydraulic engineering
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Get Custom Spiral Sand Washer Solution
Our Spiral Sand Washer (Screw Sand Washer) breaks through the cleaning limitation of traditional wheel washing equipment with deep desliming, coarse sand adaptation and integrated grading advantages. Featuring ultra-high cleaning rate, large throughput, stable operation and low maintenance cost, it provides efficient and high-quality aggregate purification solutions for global quarries, sand plants and infrastructure projects, helping customers improve finished sand quality and economic benefits.
Contact us now to get free model selection, customized process scheme and accurate project quotation!
