Sand Washing Equipment
Gosag manufactures high-performance sand washing systems for the minerals industry. With decades of experience in supplying dewatering screens, sizers for wet sieving, de-sanding equipment for production of sands in the concrete industry, and the gentle treatment of contaminated soil and producing targeted grain size distribution, Gosag has the knowledge and experience to meet your product specifications.
The dewatering screens and sizers for wet screening are driven by two unbalanced motors that produce a linear movement, which also helps transport the material to the outlet/discharge. The water is discharged through high-quality polyurethane sieves/screens. Through this very efficient process, fine sand and a large part of the clay are removed
In pumping applications, our de-sanding machines separate the rock rubble from such valuable products as bentonite, and make it possible to reuse with water as the pumping medium. Thanks to the upstream sieving, viscous materials such as lumps of clay or very sticky products can be separated. By processing the mixture from the overflow of the primary cyclone (large diameter) and adding filtered water and recovered fines from the drainage channel, a cut with a particle size of 30 µm is achieved.
Compact Allgaier Mogensen units for sand washing remove the sand fraction below a 75 μm (200 mesh) grain size. In sludge settling tanks, the dirty water containing fine substances from the washing process enters a mixing box, where an optimal dose of concentrated solution with flocculant is added. Lower in the sludge settling basin, filler granules with the desired size are formed, which settle as sludge on the bottom. A pump, controlled by a PLC using a measured torque to generate an optimal sludge concentration, picks up the sludge in the central cone of the clarifier and pumps it to the desired unloading point. Through this process water loss is minimized.
Robust Design: Robust construction, Low maintenance requirements.
Simple Handling: Simple machine operation.
High Performance: High screening efficiency.
Sizers for Wet Sieving
High Performance: Efficient wet sieving, Increase throughput without loss of efficiency.
Minimal Process Costs: Low energy consumption, Maximum flexibility with up to 6 screen decks and up to 6 different fractions, Optional dust protection.
High Performance: Separation of viscous materials and lumps of clay or very sticky product.
Maximum Flexibility: Can be used in all types of sand processing plants.
Maximum Efficiency: Effective classification of sand to recycle the bentonite sludge.
Simple Maintenance: Low maintenance requirements, Maximum up-time.
Compact Units for Sand Washing
High performance: Extraction of fine sand from 50 to 90 µm, Removal of fraction below 75 µm without loss of fine sand.
Minimal Process Costs: High percentage water recovery from process.
High Performance: Efficient sludge treatment.
Minimal Process Costs: Water recovered by sludge pump with minimal water loss.
Simple Handling and Operation: Integrated systems for processing flocculants and regulating dos.