Raw Material Vertical Roller Mill

Raw Material Vertical Roller Mill

  • Application Industry
    Cement Plant, Grinding Station
     
  • Output
    70~720 t/h
     
  • Blaine Fineness
    80 μmR 12~15%
     
  • Power Consumption of System
    17~20 kWh/t
     

Features

 Vertical raw mill is a type of industrial equipment used to crush or grind materials into small particles. Vertical raw mills are widely used in the concrete and mining fields, and are also used to process gypsum. These units can process both raw and recycled materials, while helping to reduce waste and preserve virgin supplies of these materials.

roller mill process 1. Conform to national policy requirements

The NDRC of cement industry development policy pointed out that the cement enterprise with low output, high power consumption, high pollution will be shut down, encouraging adopt advanced technology and equipment, large-scale production.

2. Reducing the power consumption of the raw material preparation effectively

According to the display of material production measured data, it can be saving electricity above 30% use of vertical roller mill production per ton raw material than traditional ball mill, and power saving effect is very remarkable.

3. Using the most wear-resisting material to overlaying with a long service life.

The lining board and rollers jointing with the German import Boehler welding stick, has characteristics of powerful wear-resisting, corrosion resistance, heat-resistance, and can reduce operating cost and improve service life.

4. The biggest home-made raw material vertical roller mill

The Great Wall machinery production of independent research and development GRMR63.61 vertical roller mill which is the biggest home-made raw material vertical roller mill, millstone effective diameter up to 6.3m, the quantity of roller is 6, and it can improve the powder milling efficiency greatly.

Working Principle

The material through the feed tube fell into the center of grinding plate, and then the materials outwards the surrounding area of grinding plate at centrifugal force, to forms a certain thick layer of materials bed, at the same time material was crushed by number of rollers. The materials continuous moving to the outer edge of the grinding plate, off the grinding plate materials rising with the hot air which enter from wind ring into the vertical roller mill, through the vertical roller mill shell into the middle of the separator, in this course materials and hot gas got a fully heat exchange, the water quickly evaporates. Separator controls the finished product output size, greater than the specified size are separated and fall back to the plate, while meet the fineness demands are brought through the separator into the finished product warehouse.

Service & Support

CHAENG provides customers with a full range of services:

1. Design: Send a professional team to inspect the production line, and determine the appropriate vertical mill model and specifications;

2. Manufacture: CHAENG has its own large casting base, can ensure the quality of equipment and accessories, such as: vertical mill grinding table, vertical mill grinding roller, rocker arm etc.;

3, Maintenance: CHAENG can provide customers with maintenance service for vertical mill host machine, surfacing repair for grinding roller and grinding table, and parts replacement, etc., online warranty service model is convenient and quick.

 

What’s more, CHAENG provides customers with a full range of services from raw materials testing, program design, equipment production, installation and commissioning, induction training, etc

Specifications

Model Grinding Table Diameter (mm) Standard Ability Q (t/h) Motor (kW)
GRMR22  2,200 65-75 710
GRMR24  2,400 75-85 800
GRMR26 2,600 85-95 900
GRMR28 2,800 100-110 1000
GRMR30 3,000 110-120 1120
GRMR33 3,300 140-150 1400
GRMR36 3,600 180-190 1800
GRMR38 3,800 200-210 2000
GRMR40 4,000 230-250 2240
GRMR43 4,300 260-280 2500
GRMR46 4,600 330-350 3150
GRMR48 4,800 350-370 3350
GRMR50 5,000 370-400 3550
GRMR53 5,300 440-470 4200
GRMR56 5,600 470-500 4500
GRMR60 6,000 550-600 5300
GRMR65 6,500 670-720 6300
GRMR70 7,000 850-900 8000

Note: mill spectral pattern benchmark

(1) Material medium friction (MFs)=0.9~1.0;

(2) Material moisture max 15%;

(3) Refined powder granularity 4200~4500 cm²/g;

(4) Refined powder moisture 0.5~1.0%;

(5) The concrete mill installed power and technology parameter will be adjusted appropritely basing on the actual material property and requirements of owner;



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