The Raymond mill is a highly efficient, energy-saving, and environmentally friendly medium-fine powder processing equipment. It utilizes a vertical structure combined with suspended roller compaction. It is widely used for grinding non-metallic minerals (such as limestone, calcite, and barite), metal ores (such as iron ore and manganese ore), and chemical raw materials (such as calcium carbonate and talc).
Compared to traditional ball mills, the Raymond mill offers advantages such as a smaller footprint, lower energy consumption, and a higher degree of automation. It has become mainstream equipment in the modern powder processing industry.
In industries such as ore processing, chemical production, and building materials manufacturing, the Raymond mill, due to its high efficiency, stability, and adaptability, has become a core piece of powder processing equipment. However, many remain skeptical about its scope of application: What materials can the Raymond mill grind? How can one choose the optimal grinding solution for different materials?
Using roller grinding and airflow separation technology, the Raymond mill is a leading equipment for producing medium-fine powders (80-600 mesh). Its unique advantages over ball mills and vertical mills include:
• High Adaptability: It can process a wide range of materials with a Mohs hardness of 9.3 or below, including metal ores, non-metallic minerals, and chemical raw materials.
• Adjustable Fineness: The finished particle size range is 22 to 180 microns (80-600 mesh), meeting the needs of various industries.
• Energy Saving: Compared with traditional ball mills, it saves 30%-50% energy and has lower specific power consumption.
• Stability and Durability: Its overlapping roller design reduces wear and extends service life.
But please note! The Raymond mill is not a universal mill. Certain special materials (such as ultra-hard and sticky materials) require additional equipment optimization.
The core structure of the Raymond mill can be pided into four major modules: the grinding system, the classifying system, the ventilation system, and the intelligent control system. These systems work together to ensure an efficient and stable powder production process.
• Grinding System: A multi-roller overlapping compaction design, combined with a hydraulic drive, ensures efficient grinding, with wear-resistant components boasting a service life of over 8,000 hours.
• Classification System: A variable-frequency turbine classifier dynamically adjusts fineness (80-600 mesh) with an accuracy error of less than 3%.
• Ventilation System: Powder collection efficiency exceeds 98%, with dust emissions below 20 mg/m³.
• Intelligent System: PLC + IoT real-time monitoring, with a fault warning accuracy rate of up to 95%.
This structural design enables the Raymond mill to save over 40% energy compared to traditional mills, while maintaining a fineness stability error of less than 3%.
• Iron Ore, Manganese Ore, and Copper Ore: Grind to 80-200 mesh for use in mineral processing, flotation, or sintering.
• Gold Ore, Lead-Zinc Ore: Finely grind to 200-400 mesh to improve leaching efficiency.
• Rare Earth Ore: Ultrafine grinding (325 mesh and above) to improve extraction efficiency.
• Limestone and Calcite: Processed to 200-400 mesh for use in plastics and coatings.
• Barite and Fluorite: Grind to 325 mesh and above for use as weighting agents in oil drilling.
• Kaolin and Bentonite: Ultrafinely modified for use in ceramics and cosmetics.
• Gypsum and Talc: Building Grade (80-200 mesh) or Pharmaceutical Grade (400 mesh and above).
*The output will vary according to different materials, feed particle size and other factors
Model | Roller | Roll Dia. (mm) | Roll Ring Size (mm) | Max. Input Size (mm) | Output Size (mm) | Capacity T/Shaft | Power (Kw) | Dimension | |
3R | 1510 | 3 | 150*100 | 570*100 | 15 | 0.125-0.044 | 0.8-10 | 7.5 | 3200*1200*3800 |
2115 | 3 | 210*150 | 630*150 | 15 | 0.125-0.044 | 1-12 | 15 | 3500*3300*4500 | |
2615 | 3 | 260*150 | 780*150 | 20 | 0.125-0.044 | 1.5-20 | 18.5 | 4650*3600*5100 | |
2715 | 3 | 270*150 | 830*150 | 20 | 0.125-0.044 | 2-28 | 22 | 4700*3600*5100 | |
3015 | 3 | 300*150 | 875*150 | 25 | 0.125-0.044 | 2-35 | 30 | 5300*4100*5200 | |
4R | 3016 | 4 | 300*160 | 890*160 | 25 | 0.125-0.044 | 3-36 | 30 | 5400*4100*5200 |
3216 | 4 | 320*160 | 970*160 | 25 | 0.125*0.044 | 4-45 | 37 | 7100*5900*7900 | |
3220 | 4 | 320*200 | 970*200 | 25 | 0.125-0.044 | 4-55 | 45 | 9900*5800*1058 | |
5R | 4119 | 5 | 410*190 | 1270*190 | 30 | 0.613-0.044 | 8-60 | 75 | 9200*7250*9700 |
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