What is a Vertical Roller Mill?

Vertical Roller mill integrates crushing, drying, grinding, grading and conveying. It is suitable for many industries such as electric power, metallurgy, cement, chemical industry, non-metallic minerals, solid waste treatment, etc. It can process cement raw materials, clinker, slag, steel slag, limestone, coal, gypsum, quartz and other materials.

Vertical Roller Mill Specifications

Fineness Range: 80~600 mesh

Production Capacity Range: 6~80 t/h

Applicable Industries:

Cement Metallurgy Electricity Chemical Industry Non-Metallic Minerals Solid Waste Treatment

What are the main components of the vertical Roller mill?

The main structure of the vertical Roller mill includes the body, grinding disc, grinding roller, drive system, feeding system and classification system. Among them, the grinding disc and grinding roller are the most important parts of the vertical mill. They are made of high-strength alloy and can withstand the impact and wear during high-speed rotation.

Main structure:

The main structure of the vertical granding mill includes the body, grinding disc, grinding roller, drive system, feeding system and classification system.

Grinding disc:

The grinding disc is the main working part of the vertical granding mill. It is generally composed of a pair of horizontally arranged discs with grinding rollers or grinding balls installed on them. They are made of high-strength alloy and can withstand the impact and wear during high-speed rotation.

Transmission system:

equipped with a transmission system, including a motor, a reducer and a transmission device, which is used to drive the rotation of the grinding disc.

What are the technical advantages of vertical grinding mills?

Advantages

Description

Low construction cost

Save about 70% of the construction cost compared to ball mills, and reduce the floor space by 50%

Low operating cost

Power consumption is 40%~50% lower than that of ball mills, and the life of wear-resistant parts is long

Automated control

Equipped with intelligent control system, which can realize remote operation and automatic adjustment

Environmental protection

Negative pressure operation, no dust spillage, low noise, in line with environmental protection standards

Strong adaptability

Can handle high moisture and high hardness materials, such as slag, steel slag, coal, etc.

What is the difference between vertical mill vs ball mill vs Raymond mill?

Comparison items

Vertical roller mill

Ball mill

Raymond mill

Applicable materials

High hardness, high moisture (such as slag, steel slag)

General type, but high energy consumption

Non-metallic minerals (such as limestone, talc)

Fineness range

80~600 mesh

80~300 mesh

40~400 mesh (improved type can reach 1000 mesh)

Production capacity

6~80t/h

Low, dependent on specifications

Low, suitable for small and medium-sized production

Energy consumption

Low power consumption (40%~50% less than ball mill)

High power consumption

Medium

Footprint

Small (50% less than ball mill)

Large

Medium

Parameter comparison table

Model	CRLM1500K	CRLM1700K	CRLM2000K	CRLM2200K	CRLM2400K	CRLM2800K	CRLM3400K
Capacity (t/h)	6-8	10-12	15-22	25-28	24-38	45-50	60-80
Max. Feed Size (mm)	≤10
Slag Moisture (%)	<12
Product Specific Surface Area (m²/kg)	≥420
Product Moisture (%)	≤1
Main Motor Power (kW)	280	400	500	800	900	1600	2400
Note: Material grindability (Bond) index ≤12kwh/t

How to choose a suitable vertical mill?

Choose according to material characteristics
High-hardness materials (such as slag, steel slag, manganese ore, etc.) → Choose CRLM vertical mill with high-chromium alloy wear-resistant material to ensure the service life of the roller and grinding disc
High-moisture materials (such as coal, clay, desulfurized gypsum, etc.) → Choose CRLM vertical mill equipped with hot air drying system, the moisture content can be processed to ≤12%