Energy Efficient Coal Vertical Mill / Coal Grinding Mill/coal Powder Making Machine

Description

Hefei Hengcheng Technology introduced advanced European technology to create a vertical mill for pulverized coal preparation, a medium-speed coal mill—HVM series vertical roller mill, which solved the technical problems of low output and high energy consumption of traditional mills. It is an ideal equipment for the milling industry that integrates crushing, drying, grinding, and grading and conveying. Can be widely used in cement, electric power, metallurgy, chemical industry, non-metallic minerals and other industries. It is used to grind block, granular and powdery raw materials into the required powdery materials.

HVM series large-scale grinding equipment pulverized coal preparation vertical mill is an advanced grinding equipment designed and developed on the basis of extensive use of advanced technology at home and abroad, combined with years of experience in various mill production.

【Advantage】

• High grinding efficiency
• Low power consumption
• Great drying capacity
• The particle size of the grinding material is large, and the product fineness is easy to adjust
• Chemically stable
• No steel ball impact and no direct metal-to-metal contact during operation
• Low noise and low wear

There is a separator in the mill, no need to set up a separate powder separator
The floor space is small, the building area is correspondingly small, the grinding roller can be turned out of the machine, and the maintenance is convenient

Technical DATA

【An Introduction】
HVM vertical mill can process materials with high water content of 20%~30% (such as carbide slag, lignite, etc.) to materials with water content less than 1% (cement clinker, etc.), and has strong adaptability to the moisture content of materials.

【Solution】
For the treatment of high-moisture materials, the drying capacity of the vertical mill is required to be high, and the drying capacity of the vertical mill should be regarded as an important direction for equipment selection. The three capabilities of , drying and powder selection are scientifically and reasonably matched, and under the premise of ensuring that the materials meet the drying requirements, the output of grinding and powder selection is brought into play to the best level, so as to achieve reliable, efficient and energy-saving equipment selection;

For the treatment of low-moisture materials, since the vertical mill is essentially a material bed grinding, when the moisture of the incoming material is too low, it is difficult for the material to form a stable material layer on the grinding disc after entering the vertical mill, which will cause the vertical mill. Abnormal vibration, unable to run stably. In order to ensure the stable operation of the vertical mill, it is necessary to solve the problem of how to stabilize the material layer. Generally, the measures that can be taken include active means (such as controlling and adjusting the thickness of the material layer, grinding pressure, height of the retaining ring, slag discharge, etc.) and passive means (such as adding a water spray device, etc.). At the same time, it is reasonable to take into account the powder selection ability of the vertical mill.