LUM Ultrafine Vertical Roller Mill

LUM Series Ultrafine Vertical Roller Mill

Vertical roller mill has become the cement industry in the raw material grinding the preferred equipment, large vertical roller mill capacity has reached 600t/h, transmission power 5000KW. In the early 1990s, there were new developments in cement grinding and vertical grinding. The basic process of the vertical roller mill is the final grinding, but in order to compete with the roll mill pre-grinding to meet the needs of the ball mill system transformation, Japan since 1987, developed a vertical roller mill pre-grinding System, and gradually developed.

Vertical roller mill is a fine grinding equipment used in the building materials industry for fine grinding, medium hardness or soft materials, especially in the cement industry, ceramics industry, power sector and so on more, such as cement clinker, limestone , Clay, porcelain clay, gypsum, feldspar, barite and coal.

Detailed Introduction

Technical Features And Advantages

  • 1. The production investment cost greatly reduced;
  • 2. High efficiency, energy conservation and environmental protection;
  • 3. The material drying ability;
  • 4. Easy operation, convenient maintenance;
  • 5. Product quality stable easy to detect;
  • 6. Wear small, high utilization rate;
  • 7. Low power consumption;
  • 8. Cover an area of an area small.

The Working Principle Of Vertical Roller Mill

Vertical roller mill is the material under the tube down to the center of the disc, constant speed rotation of the disc with the role of centrifugal force to spread out the material evenly, paved to form a certain thickness of the bed, slag material at the same time by The grinding of multiple rollers on the disc is crushed and crushed. In the continuous driving of the centrifugal force under the slag material continue to move to the outer edge of the disc, when leaving the disc material encountered through the wind ring into the grinding of hot gas and then rise, the mill through the middle of the shell into the separator, where The process of slag powder material and hot gas were fully heat exchange, the water was quickly evaporated. The finder controls the finished fineness of the roller mill outlet, the particles larger than the specified size are separated, and fall back to the disc to meet the fineness requirements of the material through the selected grade into the finished product warehouse.

Facing the implementation of the national policy for energy conservation and emissions reduction, high efficient and environment friendly society growing demands, constantly building economical society, makes the market space widening of ore materials in our country, for LUM Series Ultrafine Vertical Roller Mill and crusher equipment development, constant innovation is needed.LUM vertical roller mill manufacturers, in the design of milling machine, be sure to consider vertical roller mill maintenance, depreciation and parts, noise pollution and other issues.

From the perspective of development trend, the grinding machine has energy saving, environmental protection, the advantages of high efficiency, is undoubtedly the dominant direction of the research and development and production in the future.Now, flour LUM vertical roller mill manufacturers for the r&d and production of high efficiency and energy saving grinder is more and more attention. Produced by us mining machine, for example, high pressure mill generally uses the service for a long time, low energy consumption, easy operation, through high pressure vertical roller mill production, the finished product granularity is very high, is the quality of economic use of the equipment.

Vertical Roller Mill Grinding Process

The airflow in the vertical roller mill passes through a cyclone, where the raw material is separated and then enters the exhaust fan. In the positive side of the exhaust fan, a part of the air flow back to the vertical roller mill to ensure that the upward air flow has a certain wind speed, the rest of the air through the dust collector into the exhaust pipe.

Technical Data

Model LUM1125 LUM1232 LUM1436
Wheel diameter (mm) 1100 1200 1400
Capacity (t/h) 5~12 7~16 8~18
Fineness 400~650 Mesh ~D97 ~D97 ~D97
Material Size (mm) <10 < 10 <10
Moisture <3% <3% <3%
Main Motor Power (KW) 250 315 355
Roller (set) 3 3 3
Classifier Motor Power 15 KWx5 15 KWx7 15 KWx7


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