Vertical high-pressure roller mill
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Product Details
Product Advantages
Low investment cost
Integrating crushing, drying, grinding, grading, and conveying, it features a compact layout, small footprint, and suitability for outdoor placement, significantly reducing investment costs.
Easy operation and maintenance
The automatic control system allows for remote control and easy operation; roller sleeves and liners can be replaced by tilting the boom via the maintenance cylinder, minimizing downtime.
Low operating costs
Grinding rollers directly crush materials on the grinding table, reducing energy consumption; the grinding rollers do not directly contact the grinding table during operation, resulting in a long service life for wear parts.
High drying efficiency
Hot air is introduced externally into the mill and directly contacts the powdery material multiple times, resulting in strong drying capacity; hot air temperature is adjustable.
Stable product quality
The short residence time of materials in the mill facilitates the detection and control of product particle size and chemical composition, reducing repeated grinding and ensuring stable product quality.
Environmentally friendly and clean
Low vibration, low noise, overall sealing, and negative pressure operation prevent dust spillage, ensuring a clean environment and meeting national environmental protection requirements.
Working Principle
The main motor drives the grinding table through a reducer. Air enters the mill through the air inlet. Materials are fed from the spiral feeder inlet to the center of the grinding table. Under the action of centrifugal force, the materials move evenly from the center to the edge of the grinding table. When passing through the grinding roller path area on the grinding table, the materials are crushed by the grinding rollers. Large pieces of material are directly crushed, while fine particles are squeezed to form a material bed for inter-particle crushing. The crushed materials continue to move towards the edge of the grinding table until they are carried away by the strong airflow at the air ring. Larger particles fall back onto the grinding table for further crushing. When the materials in the airflow pass through the separator at the top, the coarse particles return to the grinding table under the action of the separator blades. The qualified fine powder exits the mill with the airflow and is collected by the system's dust collector. The collected powder is the product ground by the vertical mill. Iron blocks and other impurities mixed in the materials, due to their large weight, cannot be blown away when they move to the edge of the grinding table. They fall into the lower chamber of the mill and are scraped into the slag discharge port by the scraper installed at the bottom of the grinding table and discharged from the machine.
Technical Parameters
| Specifications | LM19-2K | LM22-2K | LM24-2K | LM27-2K | LM27-3K | LM31-2K | LM31-3K | LM34-2K | LM34-3K | LM37-3K | LM39-3K | LM44-4K | LM50-4K | |
| Processing Capacity (t/h) | 10~40 | 15~50 | 20~70 | 25~85 | 30~90 | 38~135 | 40~145 | 46~160 | 48~170 | 55~196 | 65~220 | 75~260 | 90~400 | |
| Input Material Particle Size (mm) | <30 | <35 | <45 | <50 | <55 | |||||||||
| Optimal Input Material Moisture | <4% | |||||||||||||
| Moisture of Material Requiring Drying Before Grinding | <15% | |||||||||||||
| Finished Product Fineness mm | 0.84-0.037mm (20-400 mesh) | |||||||||||||
| Finished Product Moisture | ≤1% | |||||||||||||
| Main Motor Power kW | 200~220 | 280~315 | 400~450 | 500~560 | 500~630 | 630~900 | 710~1000 | 800~1120 | 800~1250 | 900~1600 | 1120~1800 | 1800~2200 | 2500~3150 | |
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No.99 Hengshan Road, Jianxi District, Luoyang City, Henan Province
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Luoyang Kunju
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