खनन उपकरण गाइड: What Sand Washing Equipment Should You Use for Sand and Gravel Plants, Construction Sites and Hydropower Stations? A Complete Guide to LSX Spiral Sand Washers and XSD Wheel Bucket Sand Washing Machines

The LSX spiral sand washer has the advantages of large processing capacity and high washing efficiency. It comes in single-spiral and double-spiral types and is widely used in sand and gravel plants, building materials, construction sites, metallurgy, and concrete dam construction projects of hydropower stations, among other industries for washing operations. It features high washing cleanliness, reasonable structure, low power consumption, minimal sand loss during the washing process, and in particular, the transmission parts of the sand washer are isolated from water and sand, making its failure rate much lower than commonly used sand washers. It is the best choice for upgrading and replacing sanding equipment in China's domestic sand washing industry. The XSD series sand washer uses advanced domestic and international technologies and is developed according to the actual situation of the domestic sand and gravel industry as an efficient wheel bucket type sand washing equipment used in conjunction with sand-making machines. It has the characteristics of high washing cleanliness, reasonable structure, large processing capacity, low power consumption, minimal sand and gravel loss, and low failure rate, making it the best choice for upgrading domestic sand washing equipment. The XSD series sand washer is used for washing, classification, and impurity removal of construction sand and gravel, highways, high-speed railways, hydropower projects, and public works. Its features include high efficiency, reasonable structure, large processing capacity, low power consumption, and the impeller transmission bearing device is isolated from water and water-borne materials, greatly preventing bearings from rusting and damage due to immersion, sand, and contaminants. Compared with spiral sand washers, it loses very little medium-fine sand and stone powder, and the washed construction sand meets grading and fineness modulus standards. These two types of equipment are mainly used in sand and gravel plants, building materials, construction sites, metallurgy, concrete dam construction sites at hydropower stations, and for washing, classification, and impurity removal in highways, high-speed railways, hydropower projects, and public works. Potential users of these two types of equipment include sand and gravel plants and aggregate producers, construction and road & bridge engineering companies, hydropower and water conservancy project contractors, equipment procurement departments of metallurgy and building material enterprises, EPC contractors of sand production lines, equipment dealers and inventory holders, and overseas infrastructure and building material project buyers. When should sand washing equipment be chosen or replaced? Sand plants need to wash machine-made sand to improve the quality of finished sand; construction sites and hydropower stations need to process sand and gravel aggregates with high mud content; old sand washing equipment has low washing cleanliness, severe sand loss, or high failure rate and needs upgrading; new sand production lines require matching sand washing equipment; it is necessary to choose between single-spiral, double-spiral sand washers or wheel bucket sand washers according to the site and capacity requirements. How to choose between these two types of equipment? Step 1: Confirm the washing requirements. The LSX spiral sand washing machine is suitable for occasions with large processing capacity and high washing efficiency requirements. The XSD wheel sand washing machine is suitable for use with sand making machines and occasions that require minimal loss of medium and fine sand. Step 2: Confirm the number of spirals or impeller specifications. LSX has single and double spiral types, while XSD has three specifications ranging from Φ2600×1000 to Φ3000×1600. Step 3: Confirm the processing capacity. LSX processing capacity is 15-280 t/h; XSD processing capacity is 20-120 t/h. Step 4: Confirm the feed size. LSX washing feed size ≤10mm; XSD maximum feed size 10mm. Step 5: Confirm the motor power. LSX is 7.5-30×2 kW; XSD is 5.5-15 kW. Step 6: Confirm the protective design of the transmission part. LSX transmission is isolated from water and sand; the XSD impeller transmission bearing device is isolated from water and the material being washed. Step 7: Confirm the installation foundation. It needs to be installed on a solid concrete foundation, fixed with anchor bolts. Step 8: Confirm environmental protection and automation configuration. It can be equipped with a dust removal system and a central control system.

LSX Spiral Sand Washing Machine Specifications and Performance Parameters Table

Model	Number of Spirals	Spiral Diameter (mm)	Trough Length (mm)	Washing Feed Size (mm)	Processing Capacity (t/h)	Spiral Speed (r/min)	Motor Power (kW)
LSX760	1	750	6000	≤10	15-30	18	7.5
LSX1075	1	1000	7500	≤10	30-50	18	15
LSX1275	1	1200	7500	≤10	50-80	16	18.5
LSX1575	1	1500	7500	≤10	80-120	16	30
2LSX1500	2	750×2	6000	≤10	60-80	18	7.5×2
2LSX2000	2	1000×2	7500	≤10	80-150	18	15×2
2LSX2400	2	1200×2	7500	≤10	150-220	18	18.5×2
2LSX3000	2	1500×2	7500	≤10	180-280	16	30×2

XSD Series Wheel Sand Washing Machine Specifications and Performance Parameters Table

Model	Impeller Specification (Outer Diameter × Width mm)	Impeller Speed (r/min)	Maximum Feed Size (mm)	Capacity (t/h)	Motor Power (kW)	Weight (t)	Gearbox Model	Overall Dimensions (L×W×H mm)
XSD2610	Φ2600×1000	1.178	10	20-25	5.5	8	ZQ50-50-I-Z	3255×1982×2690
XSD2816	Φ2800×1600	1.177	10	30-60	11	12	ZQ60-50-I-Z	3540×3000×2880
XSD3016	Φ3000×1600	1.179	10	50-120	15	14	ZQ65-50-I-Z	3845×3000×3080

General Technical Parameters Table

Parameter	LSX Spiral Sand Washing Machine	XSD Wheel Sand Washing Machine
Type	Spiral Sand Washer	Wheel Bucket Sand Washer
Structure Form	Single Spiral / Double Spiral	Wheel Bucket Type
Feeding Granularity	≤10mm	≤10mm
Processing Capacity	15-280t/h	20-120t/h
Motor Power	7.5-30×2kW	5.5-15kW
Core Advantages	Large capacity, high cleaning rate, transmission part isolated from water and sand	High cleanliness, reasonable structure, bearings isolated from water and materials, minimal fine sand loss

Dimension Drawing and Key Sizes: `[Image: /images/lsx-spiral-sand-washer-and-xsd-wheel-bucket-sand-washing-machine-dimension-drawing.webp]`

Material Table

Component	Standard Material	Optional Material	Description
Tank / Frame	High-strength carbon steel	Stainless steel, wear-resistant steel plate	Supports materials and water, needs rust and wear resistance
Spiral Blade / Impeller	High manganese steel, wear-resistant alloy	Stainless steel, ceramic composite	Core wear parts, highly wear-resistant
Drive Shaft	40Cr / 45# steel	Alloy steel	Quenched and tempered, smooth transmission
Bearing	Self-aligning roller bearing	Double row cylindrical roller bearing	Withstands heavy load and impact, LSX and XSD both have isolation protection
Motor	Full copper coil motor	Explosion-proof motor	Standard Three-Phase Asynchronous Motor
Gear Reducer	Hardened Gear Reducer	Cycloidal Pinwheel Reducer	XSD Standard ZQ Series Reducer
Control Box	Carbon Steel / Stainless Steel	Rainproof and Dustproof Type	Optional Variable Frequency Speed Control

Installation Method: Both LSX Spiral Sand Washer and XSD Wheel Sand Washer must be installed on a solid concrete foundation, which should bear the equipment’s own weight and the load during washing operations; when installing, ensure the foundation level meets requirements, and fasten anchor bolts according to torque specifications; after positioning the equipment, adjust the level to ensure the spiral shaft or impeller shaft is parallel to the motor shaft; the motor and reducer are connected via belt or direct drive, requiring adjustment of belt tension or alignment accuracy to ensure smooth transmission; the transmission part of the LSX Spiral Sand Washer is isolated from water and sand, and installation must ensure the sealing structure is intact; the impeller transmission bearing device of the XSD Wheel Sand Washer is isolated from water and material, and the isolation structure must be effective to prevent bearings from rusting or damage due to water, sand, or contaminants; after installation, perform a no-load test run, checking whether the spiral or impeller rotates smoothly and whether there is any abnormal vibration or noise; during the load test run, gradually increase the feeding amount, observe the washing effect and motor current, and ensure it does not exceed the rated current; a dust removal system should be equipped to reduce dust pollution; a central control system can be equipped for online monitoring and automatic control.

Application Scenario Table

Industry	Application	Recommended Configuration	Key Requirements
Sand and Gravel Plant	Manufactured Sand Washing, Aggregate Washing	LSX760–2LSX3000；XSD2610–XSD3016	High cleanliness, large throughput, minimal sand loss
Construction Site	Construction Sand and Gravel Washing, Grading	LSX1075–LSX1575；XSD2610–XSD2816	Reasonable structure, low failure rate, easy to move
Hydropower Station	Concrete Dam Aggregate Washing	LSX1275–2LSX3000；XSD2816–XSD3016	Large capacity, high cleanliness, reliable
Metallurgical Industry	Ore Sand Washing and Impurity Removal	LSX1075–2LSX2400；XSD2610–XSD2816	Wear-resistant, corrosion-resistant, low power consumption
Construction materials industry	Glass sand, quartz sand washing	LSX760–LSX1275；XSD2610–XSD2816	Minimal loss of medium and fine sand, reasonable grading
Highways / railways	Road surface material sand and gravel washing	LSX1275–2LSX3000；XSD2816–XSD3016	Large processing capacity, high efficiency
Public works	Sand and gravel aggregate washing and grading	LSX760–2LSX2000；XSD2610–XSD2816	Simple structure, easy maintenance, environmentally friendly

Note: LSX spiral sand washer has single and double spiral types, feed size ≤10mm, processing capacity 15-280t/h. The transmission part is isolated from water and sand, resulting in a low failure rate. The XSD wheel sand washer's impeller bearing device is isolated from water and material, greatly preventing rust and damage caused by immersion, sand, and contaminants. Loss of medium and fine sand and stone powder is minimal, and the washed construction sand meets grading and fineness modulus standards. Explosion-proof motors should be selected for explosive environments. High abrasive materials are recommended to use high manganese steel or wear-resistant alloy spiral blades and impellers.

Selection considerations (Comparison between LSX spiral sand washer and XSD wheel sand washer): The core differences between LSX spiral sand washer and XSD wheel sand washer lie inwashing principle, processing capacity, and fine sand loss control.LSX spiral sand washer stirs and washes materials in the tank through spiral blades, with high processing capacity (15-280t/h), high cleaning rate, transmission parts isolated from water and sand, and low failure rate. It is particularly suitable for sand and gravel plants, hydroelectric power stations, and other situations with high processing requirements. XSD wheel sand washer rolls and washes materials in the tank through the impeller, with high cleanliness, reasonable structure, processing capacity 20-120t/h, and impeller bearing device isolated from water and material. Compared with spiral sand washers, it has minimal loss of medium and fine sand and stone powder, and the washed construction sand meets grading and fineness modulus standards. It is especially suitable for use with sand-making machines and where fine sand loss control is crucial. During selection, for large-scale washing with high processing requirements, LSX spiral sand washer is preferred; for use with sand-making machines with minimal fine sand loss and reasonable grading, XSD wheel sand washer is preferred.

## Technical FAQ

1. What is an LSX spiral sand washer?

The LSX spiral sand washer features large processing capacity and high cleaning efficiency, available in both single-rotary and double-rotary types. It is widely used in various industries such as sand and gravel plants, building materials, construction sites, metallurgy, hydropower stations, and concrete dam sites.

2. What is the working principle of the LSX spiral sand washer?

The LSX screw sand washer uses a motor to rotate the screw shaft. Materials in the water tank are stirred and washed by the spiral blades, while soil and impurities are discharged from the overflow outlet with the water. Clean sand and gravel are pushed by the spiral blades to the discharge port.

3. What are the models of the LSX spiral sand washer?

LSX screw sand washers include LSX760, LSX1075, LSX1275, LSX1575 single-rotary series, as well as the 2LSX1500, 2LSX2000, 2LSX2400, and 2LSX3000 dual-rotary series.

4. What is the processing capacity of the LSX spiral sand washer?

Processing capacity ranges from 15-280t/h, single-rotor series from 15-120t/h, and double-rotor series from 60-280t/h, varying by model.

5. What is the motor power of the LSX screw sand washer?

Single-rotary series motors have power of 7.5-30kW, while dual-rotary series motors have power of 7.5×2-30×2kW, varying by model.

6. What is the particle size for washing the LSX screw sand washer?

Washing particle size≤ 10mm.

7. What are the characteristics of the transmission part of the LSX screw sand washer?

The transmission parts of the LSX screw sand washer are isolated from water and sand, resulting in a much lower failure rate than commonly used sand washers, making it the best choice for upgrading the domestic sand washing industry.

8. What is the XSD series sand washer?

The XSD series sand washing machines adopt advanced domestic and international technology and are developed and produced in line with the actual conditions of the domestic sand and gravel industry. They are high-efficiency wheel-bucket type sand washing equipment designed to work with sand making machines, featuring high cleanliness, reasonable structure, large processing capacity, low efficiency consumption, minimal sand and gravel loss, and low failure rates.

9. What is the working principle of the XSD series sand washer?

The XSD series sand washing machine tumbles and washes materials in a water tank through the impeller. Under the drive of the impeller, materials rub against each other to remove surface dirt and impurities. The clean sand and gravel are lifted by the impeller to the discharge port for output.

10. What are the models of the XSD series sand washing machine?

The models of the XSD series sand washing machine are XSD2610, XSD2816, and XSD3016.

11. What is the processing capacity of the XSD series sand washing machine?

XSD2610 is 20-25t/h, XSD2816 is 30-60t/h, XSD3016 is 50-120t/h.

12. What is the motor power of the XSD series sand washing machine?

XSD2610 is 5.5kW, XSD2816 is 11kW, XSD3016 is 15kW.

13. What are the features of the impeller bearing device of the XSD series sand washing machine?

The impeller bearing device of the XSD series sand washing machine is isolated from water and fed materials, greatly avoiding rust and damage to the bearing caused by immersion in water, sand, and pollutants.

14. What are the advantages of the XSD series sand washing machine compared with the spiral sand washing machine?

Compared with the spiral sand washing machine, the XSD series sand washing machine has very little loss of fine sand and stone powder. The washed building sand grading and fineness modulus meet standard requirements.

15. What materials are suitable for the sand washing machine?

Suitable for washing, grading, and impurity removal of building sand and gravel in highways, high-speed railways, hydropower projects, public projects, etc., with a feed particle size ≤10mm.

16. Does the sand washing machine need a foundation?

Yes. Both types of equipment need to be installed on a sturdy concrete foundation. The foundation must bear the weight of the equipment and the load during washing operations, and be fixed with anchor bolts.

17. What are the common faults of the sand washing machine?

Worn spiral blades or impellers (due to strong abrasive material), overheated or damaged bearings (seal failure or poor lubrication), water tank blockage (uneven feeding or small discharge port), loose or broken drive belts (insufficient tension), overheated motor (overload or unstable voltage).

18. Can the sand washing machine be customized?

Motor power, screw blade/impeller material (high manganese steel/stainless steel/wear-resistant alloy), motor configuration (explosion-proof motor), gearbox model, dust removal system, central control system, and variable frequency speed regulation can be customized.

19. Does the sand washer comply with RoHS and REACH?

Standard equipment complies with RoHS and REACH regulations and does not contain SVHC high concern substances. Please refer to the product test report for specifics.

20. How is the sand washer maintained?

Regularly check the wear of the screw blades or impellers and replace or adjust them in time; regularly check the bearing lubrication and replenish or replace the grease; regularly check the sealing structure to prevent water and sand from entering the transmission parts; regularly check the belt tension; regularly check the foundation bolts and connecting bolts for looseness; regularly clean accumulated materials and debris in the water tank.

Technical FAQ

What determines screen capacity?

Feed rate, bulk density, moisture, particle-size distribution, deck area and required separation cut all affect capacity.

Do I need washing or only dry screening?

Choose washing when clay or adhered fines affect product quality. Confirm water source, recycling and discharge treatment.

Authoritative references

For standards and safety context, see ISO standards and the U.S. Mine Safety and Health Administration. Confirm the exact local requirements for your project.

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