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Fine sand recovery device

Classification：

Sand washing equipment

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Product Description
Detailed parameters

- Commodity name: Fine sand recovery device
PRODUCT INTRODUCTION

The Fine Sand Recovery Unit is designed by our company through absorbing advanced foreign technologies and integrating China's actual conditions. It is widely used in water conservancy & hydropower projects, glass plants, fine aggregate recovery in building materials, coal slurry recovery in coal preparation plants, and environmental protection projects (such as sludge purification).

PERFORMANCE FEATURES

In traditional processes using spiral sand washers for desliming and dewatering, sand loss (especially fine sand) was almost uncontrollable. This recovery unit can effectively reduce fine sand loss to 5-10%, significantly decrease stone powder content in tailwater. It successfully solves the problems of high fineness modulus and low stone powder content in artificial aggregate processing systems, greatly improves manufactured sand quality, optimizes sand gradation, and addresses environmental pollution and discharge issues.

WORKING PRINCIPLE

1、System Structure: Consists of motor, slurry pump, cyclone separator, ZKR linear vibrating screen, washing tank, and return box.
2、Operation Process: The sand-water mixture is delivered to the cyclone separator. Centrifugally classified and concentrated fine sand is fed to the vibrating screen through the sand sink nozzle. After dewatering by the vibrating screen, fine sand is effectively separated from water. Residual sand/sludge returns to the washing tank via the return box, with excess liquid discharged through the outlet when tank level is too high. The linear vibrating screen achieves 70%-85% solid concentration. Fineness modulus can be adjusted by modifying pump speed, slurry density, overflow water volume, or replacing sand nozzles. This system integrates three functions: washing, dewatering and grading.

Model	Pump		Cyclone Specification	Dehydration Belt			Capacity (m³h)
Model	Power (kw)	Size	Cyclone Specification	Model	Area (m²)	Power (kw)	Capacity (m³h)
SL-06-300	7.5	2"	300	0.6×1.5	0.9	2×0.75	40-60
SL-08-300	15	2.5"	300	0.8×2.25	1.8	2×1.5	40-100
SL-10-350	18.5	3"	350	1.0×2.25	2.25	2×1.5	70-140
SL-12-550	37	5"	550	1.2×3.0	3.6	2×2.2	100-260
SL-14-750	45	6"	750	1.4×3.0	4.2	2×3	180-343
SL-14-750Ⅱ	55	6"	750	1.4×3.75	5.25	2×3.7	230-420
SL-16-950	55	8"	950	1.6×3.75	5.25	2×5.5	250-500
SL-16-2×550	55	10"	2×550	1.6×3.75	6.00	2×5.5	300-500
SL-18-2×750	75	10"	2×750	1.8×3.75	6.75	2×5.5	350-800