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Applicable MaterialsSilica sand, quartz
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Input size20mm
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Output size80-600mesh
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Capacity1-25tph
Introduction
When processing high‑hardness materials like silica sand and quartz, our silica sand grinding mill machine delivers a solution that balances efficiency, purity, and long‑term operating cost. Purpose‑built for these applications, it achieves consistent particle size from 80 to 600 mesh (or finer) with low iron contamination—critical for high‑value uses such as photovoltaic glass, high‑purity quartz powders, and foundry sands. Backed by 20+ years of export experience and over 200 successful installations, we provide complete turnkey plants, from crushing and grinding to classification, dust collection, and automated packing.
Silica sand and quartz have a Mohs hardness of approximately 7. In our quartz grinding mill machine, silica sand grinding mill, the core wear parts—such as grinding rollers, grinding rings, shovel blades, and air ducts—are made of high manganese steel, high chromium cast iron, or alloy wear-resistant materials, and undergo integral heat treatment for high hardness and a dense structure. When grinding silica sand, the service life of the grinding rollers reaches 800–1,200 hours, with maintenance intervals extended by over 30%, significantly reducing downtime and replacement costs.
Product Features
Precise particle size control
Equipped with an optional high‑efficiency turbo classifier, the mill allows stepless adjustment to achieve D97 from 80 mesh up to 600 mesh or finer, meeting strict specifications for different industries.Longer service life, lower maintenance
Grinding rollers and rings are cast from high‑manganese or composite wear‑resistant alloys with heat treatment, extending wear part life by over 30% compared to conventional materials.Energy‑saving design
Variable frequency drives on the main unit and blower, combined with optimized airflow, reduce power consumption by 15–25% compared to traditional Raymond millsCentralized Control & Automation
Automated control systems reduce labor dependency, enable real-time monitoring of key parameters (current, feed rate, fineness), and improve operational efficiency.Working Principle
1.Raw Material Pre‑treatment & Feeding
Silica sand is crushed to ≤20–30mm and evenly fed into the Raymond mill.
2.Core Grinding Process
Under centrifugal force, the grinding roller presses tightly against the grinding ring. The blade throws the material between the roller and the ring, creating multi‑layer rolling and grinding that efficiently pulverizes the silica sand. To handle the high hardness of silica sand, the roller and ring are made of wear‑resistant alloy with optimized clearance.
3.Classification & Screening
Powder is carried to the classifier. Qualified fines pass through to collection; oversize particles return to the grinding zone for regrinding. Fineness is adjustable from 80 to 400 mesh.
4.Pneumatic Conveying & Product Collection
Qualified powder is separated via cyclone collector and pulse dust removal system. Closed‑circuit air classification ensures no dust leakage.
5.Wear Protection & Continuous Operation
Key wear parts (roller, ring, air duct, blade) are made of high‑chromium cast iron or hardfaced layers. For Mohs hardness 7 silica sand, wear part life is extended by over 30%, ensuring continuous and stable operation.
Technical Parameter
| Model | KL500 | KL650 | KL780 | KL980 | KL1100 | KL1450 | KL1760 | KL1950 | KL2100 |
| Handling Ability (t/h) | 0.5-2 | 0.5-2.5 | 1-3 | 1.5-4 | 2-6 | 6-10 | 8-20 | 15-30 | 20-40 |
| Main Motor Power(kw) | 7.5 | 15 | 18.5 | 30 | 45 | 90 | 132 | 185 | 220 |
| Fan power(kw) | 5.5 | 11 | 15 | 22 | 37 | 90 | 132 | 185 | 220 |
| Analyst power(kw) | 1.1 | 1.1 | 2.2 | 2.2 | 5.5 | 7.5 | 22 | 37 | 45 |
| Rotate Speed(r/m) | 120 | 120 | 120 | 120 | 120 | 90 | 90 | 90 | 90 |
| Diameter of Grinding Ring(mm) | 500 | 650 | 780 | 980 | 1100 | 1450 | 1760 | 1950 | 2100 |
| Diameter of Grinding Roll(mm) | 150 | 180 | 260 | 300 | 320 | 400 | 450 | 570 | 630 |
| Maximum Feed(mm) | 15 | 15 | 15 | 20 | 25 | 30 | 30 | 40 | 40 |
| Finished Particle Size(mm/mesh) |
1.6 ------ 0.045mm (16-325 Mesh) |
1.6------0.023mm (16-600mesh) |
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| Weight(t) | 1.8 | 2.8 | 3.8 | 6.5 | 14.5 | 26 | 48 | 65 | 85 |
Company Profile
Kolev Equipment Technology Co., Ltd. is a large-scale private technology enterprise. The company is committed to the research and development, production and sales of technical equipment for the mining and metal ore industries. It has been deeply involved in the ultra-fine grinding, industrial drying and crushing sand making industries for many years. We can provide you with Provide intelligent solutions and mature supporting products, focusing on the development of various powder equipment, complete powder production lines, drying production lines, sand and gravel line equipment and projects.Products are sold to 160 countries and regions and are well received by customers.
Kolev Equipment has always been adhering to the business philosophy of surviving by quality and developing by credibility, striving to win the trust of customers with high-quality products and perfect after-sales service, and create a brilliant future for Kolev.
+86 166-3801-7614