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ISO 9001 Certified

Silica Sand Grinding Mill Plant

Silica sand grinding mill, silica sand grinding machine, silica sand grinding plant, quartz grinding mill, quartz grinding machine is mainly applied in the fields of glass manufacturing, casting, construction, metallurgy, and chemical industry.

Applicable Materials Silica sand, quartz
Input size 20mm
Output size 80-600mesh
Capacity 1-25tph
ISO 9001 CE Certified 20+ Years Global Service

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

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)

Weight(t) 1.8 2.8 3.8 6.5 14.5 26 48 65 85

Company Profile

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About Kolev Equipment

Leading Provider of Mining & Processing Equipment

Kolev Equipment Technology Co., Ltd. is a large-scale private technology enterprise specializing in the research, development, production, and sales of mining and metal ore processing equipment. With over 20 years of experience in ultra-fine grinding, industrial drying, and crushing sand making industries, we provide intelligent solutions and mature supporting products worldwide.

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