Clay Raymond Mill – The Reliable Clay Grinding Mill for High-Purity Kaolin, Bentonite & Refractory Clay Powder Making This clay grinding machine combines grinding and drying in one system to process moist, sticky clay into consistent 80–400 mesh powder. Ideal for ceramic, paper, foundry, and chemical applications.
What Is a Clay Grinding Mill (Raymond Mill)?
A clay grinding mill utilizing Raymond mill technology is a vertical ring-roll pulverizer engineered specifically to handle soft, fibrous, and often moisture-laden clay materials. Clays like kaolin, bentonite, and fire clay are notoriously difficult to grind due to their tendency to cake and clog conventional mills. Our clay raymond mill overcomes this through a high-volume air-swept design and an optional integrated hot air system that dries the clay during the grinding process. The result is a clay powder making machine that continuously produces fine, uniform powder without blockage, making it the essential clay grinding machine for mineral processing plants worldwide.
Wet, sticky clay can bring your production to a halt. This clay grinding mill can be equipped with a hot air generator at the air inlet. As hot air sweeps through the grinding chamber, it evaporates surface moisture (up to 15%) while the rollers grind the clay into fine powder. There is no need for a separate dryer; your clay powder making machine handles it all in one continuous operation, preventing roller caking and maximizing throughput.
Bentonite and raw kaolin are known to be sticky and smear-prone. The clay raymond mill uses a powerful centrifugal fan that pulls a high volume of air through the system. This air swiftly carries the ground particles out of the mill as soon as they reach the target fineness, preventing over-grinding and keeping the grinding path clear. The risk of clogging is dramatically reduced compared to traditional mills.
Clay minerals have a very low hardness (Mohs 1–2.5), which allows this clay grinding machine to operate with exceptionally high throughput. At the same motor power, clay processing capacity is typically 30–50% higher than limestone. This translates into a low electricity cost per ton of finished clay powder, directly boosting your project profitability.
Different industries demand different clay fineness. The integrated high-efficiency turbine classifier in this clay grinding mill provides precise, repeatable control. Adjust settings to produce 100–150 mesh powder for foundry bentonite, 200–325 mesh kaolin for ceramics, or up to 400 mesh powder for paper coatings. The particle size distribution is kept narrow, ensuring high clay performance.
While clay itself is soft, many deposits contain abrasive quartz or silica impurities that can rapidly wear grinding components. Our clay raymond mill uses high-chromium alloy rollers and rings with exceptional surface hardness. Compared to standard manganese steel, these components extend service life by 2–3 times, reducing downtime and replacement costs on your clay powder making machine.
The entire clay grinding machine operates under a full negative pressure seal. Fine clay dust is effectively contained, and a pulse-jet bag filter captures any airborne particles, ensuring emissions remain below 30 mg/m³. Your workplace stays clean, safe, and compliant with strict environmental regulations.
| 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 |
Kaolin (China Clay): Fine white powder (200–400 mesh) for ceramics, paper coatings, paint, rubber, and cosmetics.
Bentonite: Swelling clay powder (100–200 mesh) for foundry sand binder, drilling mud, cat litter, and waterproofing.
Fire Clay / Refractory Clay: Heat-resistant powder for firebricks, monolithic refractories, and kiln linings.
Ball Clay: Plastic clay powder for ceramic bodies, tiles, and sanitaryware.
Attapulgite & Sepiolite: Specialty clay powder for salt water drilling mud, absorbents, and carrier materials.
Yes. By configuring a hot air furnace on the inlet, this clay raymond mill can dry raw clay with up to 15% moisture while grinding. This prevents the sticky material from clogging the rollers and guarantees continuous flow.
Paper-grade kaolin typically requires a fineness of 325–400 mesh (45–38 µm), with strict particle size distribution. This clay powder making machine accurately achieves this range with its high-precision classifier.
No. The low-temperature grinding principle of the clay grinding mill prevents the crystal structure damage that can occur in high-heat mills. The bentonite's swelling capacity is preserved, making it suitable for drilling and foundry applications.
For fire clay at 100 mesh, the 4R3016 or 5R4119 model is typically recommended depending on your tonnage requirement. Please contact us with your hourly capacity target, and we will size the right clay grinding machine for you.
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.
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