Crawler Type Wash Plant

LZZG track-mounted mobile sand washing & recycling plan is a mobile sand and gravel washing machine with crawler, which is widely used for washing and selecting in many industries such as sand and gravel plants, mines, building materials factories, transportation, chemical industry, water conservancy and hydropower, and concrete mixing.

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LZZG series introduced products to absorb foreign advanced technology, and designed combined with sand field actual situation. It can effectively reduce the loss amounts of fine material; solve problems of end product such as relatively high fineness modulus and relatively low stone powder content. The fine material can be recycled as high as 95%, with incomparable technical and economic advantages.

Product Data

Model Spiral Size (mm) Impeller Size (mm) Screen Panel (mm) Power (kw) Overall Size (mm)
LD80 2LX760 XSD2512 TS1530 75 12500*3000*4500
LD100 2LX920 XSD3016 TS1842 110 14430*3500*4500

Details Introduction

The crawler Type Wash Plant is through the crawler, the mobile operation of the washing is realized, and the operation mode is more flexible. It is powered by diesel and electricity, either external power supply or diesel only. The sand washing effect is good by twice washing, it can deal with those sand with higher mud content.  Besides, it can recycle wastewater to a high resource utilization rate.  It can be equipped with satellite positioning and lock function, supporting various forms of commercial sales and cooperation. This mobile plant owns advanced technology, intelligent monitoring, and a control system with wireless remote monitoring, data transmission, data analysis, and remote control functions.

sand washer



It is mainly composed of a power system, a walking system, a hydraulic drive, and steering system, a working system, a control system, etc.; it can also have remote positioning and locking, fault monitoring, information collection, and wireless remote control, and other systems. The main components are crawler device, hydraulic motor, and planetary reducer, generator set (including engine and generator), hydraulic workstation, control cabinet, frame, working device (spiral sand washing + wheel sand washing + fine sand recovery +dehydration), working platform, remote control device, and optional satellite positioning mechanism, information monitoring, and information transmission system, etc.

sand washer structure

Working Principle

The quality sand after screening is fed into a spiral washing tank through a chute for primary washing, the spiral sitter tumbles and grinds to remove impurities covering the surface of the sand.

The washed sand is taken away by the blades to feed into the bucket sand washer. The muddy water and small specific gravity are taken away and pumped to desander cyclone for recycling, then also fed into bucket sand washer.

When the bucket moves, the sand is washed by a bucket sand washer, then the clean sand is fed onto a polyurethane screen for dewatering. At the same time, muddy water and fine particles mixture is extracted to secondary desander cyclone for recycling fine sand, then fed onto polyurethane screen for dewatering. Then the finished product which is fully dehydrated by the high-frequency vibrating screen will be transported into a stockpile by belt conveyor.


1. Dual power by diesel and electricity. When electricity is available, it can work with electricity. When there is no electricity, it can work by diesel generating set.

2. The operation is more flexible, which can realize rapid transfer. Compared with the traditional wheeled mobile sand washing station, it can walk, reverse, turn, and climb without traction.

3. It can be freely combined with various belt conveyors and production lines, and the process layout is more flexible.

4. Easy to operate, the track can be controlled by handheld remote control. The electrical control system has an interlock function, keystroke operation, and PLC touch screen control.

5. Advanced technology and stable performance. The electronic control system has the function of fault diagnosis, the electro-hydraulic proportional control technology is used. It has soft frequency conversion starts and adjustable deviation. By reasonable energy match, it is more energy-saving.

6. Electro-hydraulic dual-power interface is provided, which can help to finish peripheral work such as feeding material transportation, discharge transportation, lighting, and oil cylinders.

7. It has remote positioning and lock function, which has accurate positioning, reliable lock, and high safety factor.

8. It has video monitoring, signal transmission, wireless remote control, and other functions, and can also perform data analysis and fault analysis through data recording.

9. All machines are driven by a motor as standard, and can also be driven by a hydraulic motor.

10. The machine can be customized by customers’ requirements.

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