LM Series Ultra-fine Vertical Grinding
Vertical mill is in recent years, the state of machinery manufacturing research and development investment continues to increase and industrial policy changes and the expansion of production scale, domestic mill production enterprises learn from foreign successful experience, major technological reform, launched with their own patented technology of a grinding equipment, and gradually accepted by the domestic cement, electric power, chemical industry, Become the industry grinding pilot equipment. It integrates crushing, drying, grinding, grading and conveying in one, with high production efficiency, and can grind block, granular and powdered raw materials into the required powdered materials. Widely used in cement, electric power, metallurgy, chemical industry, non-metallic minerals and other industries.
The material falls to the edge of the mill under the action of centrifugal force and is rolled by the mill roller. The crushed material overflows from the edge of the mill, and is carried by the hot air flow from the nozzle ring (wind ring) at high speed upward to the high-efficiency powder separator integrated with the vertical mill. The coarse powder is sorted by the separator and returned to the mill. Regrinding; The fine powder is ground with the air flow and collected in the dust collection device of the system, which is the product. The coarse particles that are not carried by the hot air flow and the metal parts that are accidentally entered sink from the wind ring, and are scraped out by the scraper, and fed into the mill by the bucket elevator with external circulation.
Technological Process
1. Vertical grinding superfine grinding machine 2. Cyclone collector 3. Pulse dust collector 4. Induced draft fan
- 01 Low Noise and Small AreaThe vertical mill uses the material layer rolling, friction, impact as the crushing mechanism, with high efficiency, large energy-saving range (20-30% energy saving than the ball mill), low noise, small footprint and other advantages.
- 02 High Product QualityThe material crushing process time is short, the repeated grinding rate is small, the product particle size distribution is uniform, the chemical composition is stable, and the product quality is high.
- 03 Less AbrasionThe particles between the material bed self-crushing, avoid the direct contact between the roller and the mill, avoid machine vibration, reduce equipment wear, can ensure the whiteness and purity of the finished material.
- 04 Flexible Air Spring Pressure PressurizationThe roller pressure adjustment method for flexible air spring pressure pressure, free shrinkage, no rebound time difference, uniform pressure force, lasting, productivity improved significantly; The flexible combination is more shock-resistant and pressure-resistant than the traditional pressure system, and can realize no-load start-up.
- 05 Multi Purpose MachineSet crushing, grinding, drying, grading multi-function in one, a wide range of adaptation, a single mill can be applied to a variety of materials grinding operations.
- 06 High OutputGrinding operation in order to prevent the material percolation is too large, the outside of the mill with a mixing spray device, easy to establish the grinding layer of the material bed, improve the yield.
- 07 Convenient for MaintenanceTurn the roller assembly out to the outside of the mill for easy maintenance through the cylinder turning arm; The roller sleeve and the roller are always divided cone sleeve tightening structure, which greatly improves the maintenance convenience and operation economy.
- 08 Equipment AutomationThe control system can be implemented on the spot, remote automation, unmanned operation.
Coal powder vertical mill D90:200 mesh | ||||||
Model | Grinding diameter(mm) | Grinding speed（r/min） | Number of grinding rollers | Main motor（kw） | Air volume(m³/hLm) | Yield（t/h） |
LM08 | 800 | 60 | 2 | 55 | 10000 | 4.5-6 |
LM11 | 1100 | 49 | 2 | 110 | 20000 | 9-12 |
LM13 | 1300 | 41 | 3 | 200 | 40000 | 18-22 |
LM19 | 1900 | 35 | 3 | 400 | 100000 | 38-42 |
LM22 | 2200 | 26 | 3 | 560 | 110000 | 55-60 |
LM24 | 2400 | 26 | 3 | 710 | 130000 | 68-75 |
Ultrafine vertical mill calcium carbonate D97:1250 mesh | ||||||
Model | Grinding pan diameter(mm) | Grinding pan speed（r/min） | Number of grinding rollers | Main motor（kw） | Air volume(m³/hLm) | Yield（t/h） |
LM08 | 800 | 60 | 2 | 55 | 2500 | 0.7-1 |
LM11 | 1100 | 49 | 2 | 110 | 5000 | 1.5-3 |
LM13 | 1300 | 41 | 3 | 200 | 7500 | 2.5-3 |
LM19 | 1900 | 35 | 3 | 400 | 12000 | 5.5-6 |
LM22 | 2200 | 28 | 3 | 500 | 25000 | 8-9 |
LM24 | 2400 | 26 | 3 | 630 | 30000 | 10-12 |
Flue gas desulfurization vertical mill calcium carbonate D90:325 mesh | ||||||
Model | Grinding diameter(mm) | Grinding speed（r/min） | Number of grinding rollers | Main motor（kw） | Air volume(m³/hLm) | Yield（t/h） |
LM08 | 800 | 60 | 2 | 55 | 8000 | 3-4 |
LM11 | 1100 | 49 | 2 | 110 | 16000 | 6-8 |
LM13 | 1300 | 41 | 3 | 200 | 30000 | 12-15 |
LM19 | 1900 | 35 | 3 | 400 | 50000 | 24-28 |
LM22 | 2200 | 28 | 3 | 500 | 70000 | 30-35 |
LM24 | 2400 | 26 | 3 | 630 | 80000 | 38-42 |
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