Sand Recycling Machine

Sand recycling machine has been specifically designed to recovery fines mixed in muddy water that discharged from sand washer machines, as well as sculting, desliming dewatering. The highly efficient fines recovery is efficiently improve the economic benefit, reduce disposal cost of tailings and the pollution and damage. Fines recovery machines are suitable for widely used in sand and gravel washing plant, glass raw material processing system, artificial sand production line, coal mining plant, coarse coal slurry recovery, environmental protection engineering and mud purification.

How sand recycling machine work?

Slurry pump transports the muddy water overflowed by sand washer machine to high pressure hydrocyclone separator, and solid-liquid separation is started to perform under high-speed centrifugal force and rated feed pressure. When the concentration increased to 60-70%, fine sand is supplied to dewatering screen through grit nozzle. Under the vibration motion, fine sand is effectively separated from the water, and then discharged through outlet to form stock piles. A small amount of fine sand, mud is returned to washing tank through the return tank, and is circulated and reciprocated, thereby achieving the purpose of recovering, dehydrating, and dry discharging of fine sand in the muddy water. The concentration of recycled materials by LDHB sand recycling machine is 70%-85%. Adjustable fineness modulus can be achieved by changing the pump speed, mortar concentration, adjusting the amount of overflow water, and replacing the mortar nozzle.


1. Effectively recycle >95% fine sand.

2. 12%-15% water content of dewatered sand.

3. Polyurethane screens with blocking, and longs service life than other screen panels.

4. Hydrocyclone separator is lined with polyurethane, which improves the service life of the whole device and can smoothly complete the work of slurry concentration and liquid clarification.

5. Fully recovered fine particles reduce the workload and cleaning cost of sedimentation tank.

6. Recovered fine materials can be directly operated, and supplies to the market, which reduces the stacking time.

7. Specific solution can be designed according to different requirements of users.


Model Feeding Size (mm) Capacity (t/h) Screen Panel (mm) Hydrocyclone (mm) Power (kw) Overall Size (mm)
LZ250 ≤10 20-50 900X1800 250 12.5 3100X1300X2700
LZ300 ≤10 40-80 900X1800 300 16.5 3100X1300X2700
LZ350 ≤10 60-100 900X1800 350 20 3100X1300X2700
LZ550 ≤10 40-100 1200X2400 250X2 26.4 3600X1600X2800
LZ650 ≤10 80-160 1200X2400 300X2 34.4 3600X1600X2800
LZ750 ≤10 120-200 1200X2400 350X2 41.4 3600X1600X2800
LZ900 ≤10 120-250 1500X3000 300X3 51 4600X1900X2600
LZ1050 ≤10 150-300 1500X3000 350X3 61.5 4600X1900X2600

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