85T/H-730T/H HVM Vertical Raw Mill VRM Cement Grinding System

Product Specification

Fineness R 0.08＜14% High Efficiency Vertical Mill Machine Cement Raw Mill

Adopt a new type of grinding device Automatic electronic control system
It integrates drying, grinding, powder selection and conveying
Specializing in the three major fields of non-metallic minerals, coal powder and slag powder

【Feed Size】: 0-70mm
【Production Capacity】: 85-730 tons/hour
【Applicable Materials】: raw meal, limestone, calcite, dolomite, petroleum coke, gypsum, barite, marble, talc, coal powder, etc.

Specifications And Technical Parameters Of HVM Raw Vertical Mill

【Advantages of HVM vertical mill】

1. Low investment cost
It integrates crushing, grinding, drying, powder selection and conveying.

2. High grinding efficiency and good product quality
The special structure design of the grinding roller and the grinding plate, and the grinding roller adopts the hydraulic automatic pressure device, the grinding area is larger, and the grinding efficiency is high. The particle size distribution of the finished product is uniform, the quality of the finished powder is good, the fluidity is good, and the activity is high.

3. Reliable quality and stable operation
The transmission system adopts advanced planetary gear reducer, which has strong bearing capacity and stable operation; the grinding roller is equipped with a hydraulic pressure system and a limit device to avoid direct contact between the grinding roller and the grinding plate, with small vibration and low noise; it has the function of automatic slag discharge, Ensure the safe operation of the equipment.

4. Large drying capacity
Hot air can be used to transport materials, and the inlet air temperature can be controlled according to the moisture content of the materials, drying materials with a moisture content of up to 15% in the mill, and a moisture content of less than 1% at the outgoing mill.

5. High degree of automation
It adopts automatic control system, which can realize remote control, chain protection, reliable operation and easy operation.

6. Easy maintenance and low operating cost
The roller bearing is lubricated by forced thin oil and equipped with a hydraulic roller turning device. During maintenance, the grinding roller can be turned out of the machine by the hydraulic device. The maintenance space is large, the maintenance is convenient, and the operating cost is low.

7. High-efficiency ring protection
The entire production line adopts a negative pressure closed circulation system, and is collected by a high-efficiency pulse dust collector, without dust spillage, which meets the latest national environmental requirements.

8. Integrated comprehensive solution
A professional technical service team provides users with design, supply, installation and general contract services, and integrated comprehensive solutions, saving worry and effort.

【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. On the premise of ensuring that the materials meet the drying requirements, the output of grinding and powder selection can be brought into full play, 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.