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Home > Products > Grinding Plant > Vertical Roller Mill

Vertical Roller Mill

Inquiry joyal@crusherinc.com

Vertical Roller Mill machine, which is developed and launched by Joyal, sets medium crushing, drying, grinding, classifying and other functions as a whole, being the ideal equipment in the grinding industry.

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  • Vertical Roller Mill
  • Vertical Roller Mill
  • Vertical Roller Mill
  • Vertical Roller Mill

Application

Vertical Roller Mill is mainly applied in the grinding process of metallurgy, building materials, chemical, mining and other mineral industries, and suitable for grinding quartz, feldspar, calcite, talcum, barite, fluorite, rare earth, marble, ceramic, bauxite, manganese ore, iron ore, copper ore, phosphate rock, red iron oxide, zircon sand, slag, cement clinker, activated carbon, dolomite, granite, garnet, iron oxide yellow, chemical fertilizer, compound fertilizer, fly ash, bituminous coal, coking coal, lignite, magnesite sand, chrome oxide green, gold, red mud, clay, kaolin, coke, coal gangue, porcelain clay, kyanite, fluorspar, bentonite, rhyolite, pyrophyllite, shale, purple stone, Diego rock, basalt, gypsum, graphite, silicon carbide, thermal insulation materials and other non-flammable burst materials whose Mohs hardness are below 9.3.

Features

1. Composite separator improves the efficiency of the powder.
2. With the function of automatic lifting and falling , can realize no-load starting.
3. Welded type arc plate is used for sealing, it features simple structure, reliable performance, well-sealed structure.
4. By means of the roller swing-out device, the grinding rollers can be turned out of the mill, which is in favor of maintenance.
5. The limit mechanism avoids the fiction and crash of metals between grinding roller and grinding plate, increasing the rotating stability and security.
6. Operating pressure of hydraulic system is low, can reduce the leakage failure and the mill vibration , is good for operation and management.
7. The centralized circulating oil lubrication is applied to the grinding roller bearings, which ensures the bearing operate at constant temperature and with pure oil, so that longer service life is achieved.

Working Principle

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

Technical data

Main Specifications of GRMR Raw Materials Vertical Mill

Model Diameter of Millstone (mm) Mean Diameter of
Grinding Roller (mm)
Grinding Roller No. Standard Installed
Power (kw)
Capacity
(t/h)
GRMR22.30 2200 1400 3 550 70
GRMR26.30 2600 1600 3 790 100
GRMR28.30 2800 1750 3 900 115
GRMR30.30 3000 1700 3 1000 120
GRMR32.40 3200 1500 4 1400 160
GRMR34.40 3400 1500 4 1600 180
GRMR36.41 3600 1600 4 1800 200
GRMR38.41 3800 1700 4 1900 230
GRMR40.41 4000 1800 4 2240 260
GRMR43.41 4300 1900 4 2500 310
GRMR46.41 4600 2060 4 3150 350
GRMR48.41 4800 2240 4 3350 390
GRMR50.41 5000 2360 4 3500 420
GRMR53.41 5300 2500 4 3800 470
GRMR56.41 5600 2600 4 4500 540
GRMG59.61 5900 2600 6 5000 610
GRMR63.61 6300 2700 6 6000 720

Remarks :( Selection Standard of Mill)
1. The medium grindability of raw materials (MF) =0.9~1.0;
2. The maximum moisture content of raw materials 7%;
3. End Product Fineness 80μm R12~15%;
4. The moisture content of finished products: 0.5~1.0%;
5. The specific installed power and technology parameters can be properly adjusted according to the properties of actual materials and the requirements of business owner;
6. The above specifications are also suitable for the limestone grinding, and the specific model is determined by the materials features.


Main Specifications of GRMK Cement Vertical Roller Mill

Model Diameter of Millstone (mm)

Medium Diameter

 of Roller  (mm)

Roller Quantity Standard Installed Power (kw) Capacity  (t/h)
GRMK30.31 3000 1600 3 1250 55-60
GRMK32.31 3200 1700 3 1600 65-80
GRMK35.41 3500 1800 4 1800 85-100
GRMK40.41 4000 1900 4 2500 115-125
GRMK43.41 4300 2120 4 3000 135-145
GRMK46.41 4600 2240 4 3350 150-160
GRMK48.41 4800 2240 4 3550 170-180
GRMK50.41 5000 2360 4 3900 190-200
GRMK53.41 5300 2500 4 4600 210-250
GRMK56.61 5600 2500 6 5300 235-250

Remarks:(Mill Selection Standard)
1.Cement standard:PC42.5       Specific surface area:3300-3800cm2/g;
2. Confirm the compounding ingredient at the time of model selection;choose the lower limit if the raw material is hard to grind ;
3. Can choose two roller mode as per condition of user.

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+86-21-68763311
+86-21-68763366

About Joyal

Joyal operates at the frontiers of the Mining machinery. We use world-class equipment, technology, capability, know-how to meet customer needs and deliver long-term value.

Contact Us

Email:joyal@crusherinc.com Tel:  +86-21-68763311 Fax: +86-21-68763366 Post Code: 201201