Small sand making plant save money and easy moving

The large-scale sand production line has a large processing capacity, but the investment is huge, and the cost recovery period is long. And it is not suitable for small mining sites. The small sand washing plant developed by LZZG for small mines has low investment, small area, and very mobile Convenience.

The small sand production line can realize sand and gravel grading, sand and gravel washing, tailwater purification, dry tailings, etc. The fine sand and gravel crushing and screening production line can not only realize material grading and washing but also save resources and reduce water consumption and environmental protection.

Working principle of small sand and gravel plant

small sand and gravel plant

Rock Processing

Large pieces of limestone or granite are initially crushed by a jaw crusher, and the produced coarse material is transported by a conveyor to a cone crusher for secondary crushing. The finely crushed material enters the vibrating screen to screen out two kinds of stones, and the material that satisfies the feeding particle size is reshaped by the machine-made sand, and the material that does not meet the feeding particle size of the sand making machine is subjected to secondary crushing to meet the particle size requirements. Then the sand that meets the specifications is magnetically separated by the magnetic separator and enters the washing water tank of the sand washing and recycling integrated machine. The sand washing wheel rotates to stir the materials in the washing tank and perform the cleaning operation, which can remove the impurities covering the surface of the materials. After the coarse particle material is sent to the dewatering screen for dewatering by the dredging wheel.

sand washing thickener tank LZZG

Pollution Control

The tail water is sent to the separator by the slurry pump, the sediment is separated by the separator, and the recovered fine material is discharged to the screen surface of the dewatering screen and the coarse material is uniformly mixed and dewatered before being discharged. At the same time, the sludge water suspension treated by the separator is discharged into the sewage tank, and then the tail water is pumped from the sewage tank into the thickening tank for the mud-water separation operation. The concentrated mud is pumped into the plate and frame filter press through the bottom of the filter tank to achieve a dry pile. After pressure filtration, the clean water enters the clean water tank to realize the recycling of clean water.

Major equipment

Main equipment: crushing equipment, screening equipment, magnetic separation equipment, sand washing equipment, fine sand recovery equipment, concentration equipment, filter press equipment.

Auxiliary equipment: conveyor, screening machine, feeding equipment.

The entire silica sand production line has reasonable equipment configuration, and the specific quantity and model need to be equipped according to the user’s actual production capacity.

small sand making plant

Advantages of silica sand production line

1. High production capacity. The finished products produced per unit time are of high quality and high output, which is conducive to the next step of sales or further processing.

2. The finished product of sand washing is good, and the finished product has high gloss and grain grade, and the market demand is large.

3. Reasonable investment funds, the entire silica sand production line, and short recovery period.

4. The entire silica sand production line can realize material washing, tail water purification, dry solid waste discharge, and zero discharge can be achieved.

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