Pozzolan Grinder Roll is a 300 mesh pozzolan grinding process used in cement plants

Pozzolan Grinder Roll is a 300 mesh pozzolan grinding process used in cement plants.

300 mesh volcanic ash vertical mill case introduction

1. Grinding equipment: HLM vertical grinding equipment
2. Grinding material: volcanic ash
3. Product fineness: 300 mesh
4. Advantages of the mill
The equipment has high powder output efficiency, large production capacity, high dust removal rate, low noise, energy saving and environmental protection, and low comprehensive investment cost.

Pozzolan Grinder Roll

working principle

Pozzolan vertical mill system consists of main engine, feeder, classifier, blower, piping device, storage hopper, electric control system, collection system, etc.

The Pozzolan Grinder adopts a standardized modular design and manufacture of pressure devices. With the increase of the vertical mill capacity, the number of grinding rollers of the vertical mill is correspondingly increased. It can use 2 rolls, 3 rolls or 4 Pozzolan Grinder Rolls, or 6 Grinder Rolls are used for arrangement and combination to form a multi-capacity series of products with fewer modular components to meet the requirements of different product fineness and output.

The motor drives the reducer to drive the grinding disc to rotate, and the material moves around the grinding disc under the action of centrifugal force and enters between the Pozzolan Grinder Roll and the grinding disc.
Under the pressure of the grinding roller, the material is crushed by extrusion, grinding and shearing force, and the crushed powder is blown by the air flow of the blower to the classifier above the main machine for screening.
If the particle size is too coarse, it will still fall into the main machine for regrinding. If the fineness meets the specification, it will flow into the pulse dust collector with the wind.
The purified air flows through the pipeline on the pulse collector and flows into the blower before being discharged into the atmosphere.

Indonesia Cement Association introduces the advantages of Pozzolan vertical mill

1. Low comprehensive investment cost

It integrates crushing, drying, grinding, grading and conveying, and the process is simple.
The system has few equipments, compact structure and small floor area, which is 50% of that of ball mill. It can be arranged in the open air, and the construction cost is low, which directly reduces the investment cost of the enterprise.

2. High grinding efficiency

The grinding efficiency is high and the energy consumption is low. Compared with the ball mill, the energy consumption is 40%-50% lower.
The single-machine production capacity is large, and the low-valley electricity can be used.

3. Easy maintenance and low operating cost

The grinding roller can be turned out of the machine by hydraulic device, the replacement of the roller sleeve lining plate and the maintenance space of the grinding machine are large, and the maintenance operation is very convenient.
The roller sleeve can be turned over for use, which prolongs the service life of the wear-resistant material.
There is no need to put cloth on the grinding disc before starting the machine, and the mill can be started with no load to avoid the trouble of difficult starting.
Low wear, grinding rollers and disc linings are made of special materials and have a long service life.

4. Stable product quality

The material stays in the pulverizer for a short time, and it is easy to detect the particle size distribution and chemical composition of the product, reducing repeated grinding and stable product quality.
The product has uniform particle shape, narrow particle size distribution, good fluidity and strong product adaptability.
The iron content in the product is very small, and the mechanical wear iron contained in it is easy to be removed. When used for grinding white or transparent materials, the product has high whiteness and purity.

5. High reliability

The grinding roller limit device is adopted to avoid the violent vibration caused by the material cut off during the working time of the mill.
Adopting a new type of grinding roller sealing device, the sealing is reliable, and there is no need to seal the fan, which further reduces the oxygen content in the mill and has excellent explosion suppression performance.

6. Does not pollute the environment

The whole system of Pozzolan vertical mill has little vibration and low noise; the whole system is sealed and operated under full negative pressure, no dust spillage, and basically a dust-free workshop can be realized.
Vertical mill technology and equipment is a new energy-saving and consumption-reducing technology vigorously advocated by my country, which is conducive to enhancing the competitiveness of enterprises in the powder industry in this region and even in my country.

7. High degree of automation

It adopts PLC automatic control system and can realize remote control, which is easy to operate, easy to maintain and reduce labor costs.

8. Strong drying ability

Because the vertical mill can be directly ventilated with hot air, the hot air directly contacts the material in the mill, and the drying capacity is strong, and the moisture content of the feed material can reach up to 15%.
The vertical mill pulverizing system does not need to configure an additional dryer, which saves equipment investment costs and energy consumption costs.
By adjusting the temperature of the hot air, the materials of different humidity can be dried and ground at the same time.

Indonesia Cement Association is purchasing Pozzolan Grinder Roll and cement equipment from AGICO CEMENT CHINA, and recommends info@cementplantparts.com to local cement manufacturing companies in Indonesia.


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