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Introduction
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5R Raymond Mill is a high-output, energy-saving and high-efficiency grinding machine equipped with 5 reinforced grinding rollers. Adopting an optimized roller-ring grinding structure and sealed classification design, it features stable operation, low noise, low failure rate and long service life. The finished powder fineness is adjustable from 80 mesh to 400 mesh with uniform particle size and high whiteness. It is suitable for non-metallic minerals with Mohs hardness below 9, such as limestone, calcite, barite, gypsum, talc, feldspar and dolomite. Widely used in mining, building materials, chemical industry, metallurgy and stone powder production. The complete unit can form an independent production flow from feeding, grinding and powder classification to dust collection, featuring small floor area, simple operation and eco-friendly dust removal design. |
Core Advantages
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Large Output & High Efficiency The 5R Raymond Mill adopts an optimized 5-roller grinding structure with an enlarged grinding ring and increased grinding area. It greatly improves grinding efficiency and hourly capacity, ideal for large-scale stone powder production lines. |
Wide Material Adaptability It processes limestone, calcite, dolomite, marble, talc, gypsum, feldspar and other non-metallic minerals within Mohs hardness 9. Powder fineness can be freely adjusted from 80 mesh to 400 mesh. |
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Stable Operation & Low Failure Rate Integrated heavy-duty mainframe design with thickened grinding rollers and rings made of wear-resistant alloy materials. It ensures long service life, stable running, low maintenance and long continuous working hours. |
High Finished Powder Quality Uniform particle size, high whiteness and no impurities. The finished powder meets industrial standards and is widely applied in building materials, chemical industry, metallurgy and road construction. |
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Energy Saving & Environmental Protection Equipped with sealed dustproof structure and pulse dust collector to minimize dust pollution. Low power consumption effectively reduces overall production costs compared with traditional grinding equipment. |
Easy Operation & Convenient Maintenance Automatic control system enables simple operation; one worker can monitor the whole production. Reasonable structural design allows easy inspection, daily lubrication and quick parts replacement. |
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Customized Solution Support We provide complete supporting equipment including feeder, jaw crusher, bucket elevator, vibrating screen and conveyor. Custom production line layout design is available according to customer site conditions. |
Complete Qualifications & Reliable After-sales Certified manufacturer with ISO certificates and national patents. We provide professional installation guidance, operational training and long-term spare parts supply. |
Working Principle of 5R Raymond Mill
The 5R Raymond Mill is a roller-ring grinding machine fitted with 5 sets of independent grinding rollers. It adopts an integrated process of "roller grinding + air classification + cyclone collection + bag dust removal", realizing fully enclosed, eco-friendly continuous production of fine powder from 80 to 325 mesh. Working process as follows:
Feeding: Raw materials pre-crushed below 30mm are evenly fed into the grinding chamber via the feeder.
Grinding: Five grinding rollers rotate with the main shaft, pressing tightly against the grinding ring under centrifugal force to roll and grind materials into powder.
Classification: Ground powder is blown to the classifier by fan airflow. Qualified fine powder passes through, while coarse powder falls back for re-grinding.
Dust Collection & Purification: Qualified fine powder enters the cyclone collector for finished product collection. Dust-laden air is filtered by the bag dust collector and discharged cleanly with no dust leakage.
Processing Materials
Limestone, calcite, barite, gypsum, talc, dolomite, feldspar, fluorite, bentonite and other non-metallic minerals (Mohs hardness ≤7, moisture ≤6%).
Main Technical Parameters
Model |
Grinding Rollers |
Main Motor Power (kW) |
Max Feeding Size (mm) |
Finished Fineness (mesh) |
Capacity (t/h) |
Total Weight (t) |
Overall Dimension (L×W×H, mm) |
| 5R3216 | 5 | 37 | ≤25 | 80-325 | 1.5-3.5 | 5.8 | 5500×4000×5200 |
| 5R4119 | 5 | 55 | ≤30 | 80-325 | 2.5-6.5 | 11.5 | 9900×5500×7800 |
| 5R4121 | 5 | 75 | ≤30 | 80-325 | 3.0-8.0 | 17.5 | 12500×5800×8300 |
| 5R130 | 5 | 90 | ≤35 | 80-400 | 4.0-10.0 | 19.2 | 13000×6000×8500 |
After-sales Service
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5R Raymond Mill After-sales Support
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Company Profile
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Henan Panqi Heavy Industry Technology Co., Ltd. is a professional manufacturer dedicated to R&D, production, sales and service of mineral grinding, crushing and screening equipment. Located in Zhengzhou, Henan Province, we are close to Qingdao Port with convenient transportation and logistics to serve global customers efficiently. With more than 10 years of deep engagement in mining machinery, we own standardized production bases, professional R&D teams and strict quality control systems. Our product line covers full-series Raymond Mills (3R/4R/5R), jaw crushers, impact crushers and sand making machines, meeting diversified ore crushing and powder processing demands. Our products are widely exported to Southeast Asia, Africa, the Middle East, Europe and America. |
Our Strengths
Henan Panqi Heavy Industry is a professional manufacturer of grinding and mining equipment. The company has obtained ISO9001 Quality Management System Certification and ISO14001 Environmental Management System Certification. We have been awarded AAA Grade China Quality Credit Enterprise, Henan Province Contract-abiding & Credit-worthy Enterprise, and National-level Technological SME qualification.
We hold 3 national technical patents and operate two large production bases with standardized workshops and complete testing equipment. All machines undergo strict inspection before delivery to ensure stable performance and long service life.
Enterprise Qualification & Strength
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System Certifications
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Patents & Qualifications
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Enterprise Honors
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Factory Strength
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