Cement Vertical Roller Mill

Application	Cement Plant, Clinker Grinding Unit
Capacity	50-250 t/h
Motor Power	1000-5000kw
Fineness	3300-3800 cm²/g

Overview

The cement vertical roller mill is one of the most important cement equipment. It is the key grinding machine of materials being crushed. The cement grinding mill plays a vital role in cement production line and cement production process. Cement mill is widely used in cement, silicate products, new building materials, refractory materials, fertilizer, ferrous and non-ferrous metals beneficiation, ceramics and other production industries. It makes dry or wet grinding for all kinds of ores and other grind-able materials.

Features
-Low Investment Cost
This vertical roller mill itself can crush, dry, grind and classify, so the system is simple, and occupation area is about 50% of ball mill system. In addition, it can be the outdoor installation that reduces a large number of investment costs.

-Low Operation Cost
1. High efficiency: roller compacted materials directly onto the grinding disc, so power consumption is low. Compared with ball mill, it saves energy consumption by 30% ~ 40%.
2. Less wear and tear: As the roller is not in direct contact with the disc, and material of the roller and liner is high quality, so life time is long.

-High Drying Ability
As the hot air inside contacts directly with the material, drying ability is higher, and it saves energy. By regulating the air temperature, it can meet requirements with different humidity.

-Stability of Product Quality
As the material stays in the mill for a short time, the vertical roller mill is easy to detect and control the product particle size and chemical composition, to reduce duplication of milling, stable product quality.

-Maintenance Convenience
By repairing fuel tank, rotating the arm, it is fast to replace the roller sleeve, and liner, and reduce the downtime loss.

Vertical Roller Mill Working Principle





Specifications

Model	Grinding Table Diameter (mm)	Roller Diameter (mm)	Roller Number (n)	Motor (kw)	Output (t/h)
GRMK30.31	3,000	1,600	3	1250	55~60
GRMK32.31	3,200	1,700	3	1600	65~80
GRMK35.41	3,500	1,800	4	1800	85~100
GRMK40.41	4,000	1,900	4	2500	115~125
GRMK43.41	4,300	2,120	4	3000	135~145
GRMK46.41	4,600	2,240	4	3350	150~160
GRMK48.41	4,800	2,240	4	3550	170~180
GRMK50.41	5,000	2,360	4	3900	190~200
GRMK53.41	5,300	2,500	4	4600	210~230
GRMK56.61	5,600	2,500	6	5300	235~250

Note: Mill spectral pattern benchmark
1. The cement standard: PC42.5 specific surface: 3300~3800cm² /g;
2. Confirm the compounding ingredient at the time of type selection; choose the lower limit when friction is not well;
3. 2 roll mode available as per situation of the user.

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