Raw Material Vertical Roller Mill

Application	Cement Plant, Thermal Power Plant, Mining
Capacity	70-720 t/h
Motor Power	800-2800 kW
Fineness	80μmR 12-15%

Overview

Vertical raw mill is a type of industrial equipment used to crush or grind materials into small particles. Our raw materials vertical roller 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.

Features
1. High-performance separator and optimized airflow ensure high separation efficiency and low pressure loss for energy saving.
2. Unusually large rollers permit coarse feed and ensure a thick grinding bed for maximum uptime.
3. All impact forces and dynamic reactions are small and vertical therefore easy to accommodate – prevents mill stops.
4. Segmented wear parts for table and rollers allow use of the most wear-resistant materials and hardfacing process for long life.
5. Reversible roller segments ensure high material utilization.
6. External circulation limits power consumption of fan.
7. Feed sluice ensures low false air flow and steady feed flow for minimum power consumption and optimum mill production.
8. The raw mill is easily adaptable to high airflow required by especially wet easy to grind materials.

Vertical Roller Mill Working Principle





Specifications

Model	Grinding Table Diameter (mm)	Roller Diameter (mm)	Roller Number (n)	Motor (kW)	Output (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
GRMR32.30	3200	1500	3	1400	160
GRMR34.30	3400	1500	3	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
GRMR59.61	5900	2600	6	5000	610
GRMR63.61	6300	2700	6	6000	720

Note: mill spectral pattern benchmark
1. Material medium friction (MF) =0.9~1.0;
2. Material moisture max 7%;
3. Refined powder granularity 80μmR 12~15%;
4. Refined powder moisture 0.5~1.0%;
5. The concrete mill installed power and technology parameter will be adjusted appropriately basing on the actual material property and requirements of owner;
6. The above specification also applies to limestone powder mill, and the concrete type selection shall be decided according to material property.

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