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cement grinding machine ball mill

cement grinding unit | cement grinding plant | epc project

cement grinding unit | cement grinding plant | epc project

Cement grinding unit, or called cement grinding plant, is an individual grinding plant in the finished cement production. The new-type cement grinding units adopt pre-grinding technology. The cement grinding units not only reduce the particles of feeding materials, but also help to produce cracks and flaws inside the particles, which largely increase production capacity of cement mill, reduce the energy consumption.

The cement grinding machine includes cementdryer, cement ball mill, cement roller press, powder selecting machine, conveyor and other cement equipment. We can provide scheme design for free according to the requirements of users, and offer appropriate equipment to ensure smooth production with less investment and high profit.

The cement grinding process include the admixture crushing, cement batching station, pre-crushing, high and fine powder grinding, fine powder separation, dust treatment, automatic control and other technologies. The finished cement can meet the requirement for high yield, high quality and energy saving.

As a professional EPC project provider, we have the ability to provide the custom-design solutions to cement manufacturing for every client. Our solution covers all stages including equipment installation, operation, production, maintenance, we will send technicians to guide training, until the customer is satisfied.

For the structure, of the cement mill, we adopts the advanced obstructing equipment for internal powder, add the activated device to the fine grinding chamber, and there is the special grate plate at the end of the cement mill, which can reduce the size of the grinding medium, greatly improve the grinding efficiency, and achieve the purpose of high output and low energy consumption.

The cement grinding unit has advantages of simple structure, strong controllability, and easy to operate or maintain. The discharge concentration is less than 50mg/Nm3, lower than the discharge standard, and protect the environment of the production site effectively.

The production process overcomes the disadvantages of traditional equipment. The fineness of product is easy to be adjusted, apply for different requirement of fineness. The equipment also has advantages of large heat dissipation area and low temperature inside mill. The finished product of new-type cement grinding unit has high quality and large capacity.

As for the layout, the cement grinding unit is built near the sales market of cement. The most of cement admixture is the industrial residue, and cement grinding plant can greatly consume the industrial residues like slag, fly ash, slag, coal gangue. So the cement grinding unit brings green benefits well.

Traditional cement factories belong to high-pollution and high-energy consumption industries and do not meet the goals of energy conservation and consumption reduction in the development of modern industry. Cement grinding unit is a key link in cement plant. To achieve energy saving and consumption reduction in the cement industry, we must proceed from the cement grinding unit. Through a series of research and analysis, the following seven methods can effectively reduce the energy consumption of cement grinding plant.

Make full use of various industrial waste slags, such as blast furnace slag, steel slag, fly ash, and burned coal gangue. These waste slags are treated at high temperature and help to improve the performance of cement. At the same time, it also reduces the particle size of the grinding material, which can reduce the power consumption per unit product.

Under the fixed process conditions, when the 45m sieve residue and specific surface area of cement are controlled at a reasonable level, particles below 3m and above 45m can be limited, so as to obtain good cement performance and lower production costs. Compared with other methods, this fineness control method has the advantages of simple operation and effective control. As long as a sample is taken for a sieve analysis test and specific surface area determination, it can provide a basis for the operation of the cement mill.

In the cement grinding process, a small amount of admixture is added to eliminate the adhesion and aggregation of the fine powder, accelerate the grinding speed of the material, improve the grinding efficiency, and also increase the content of 3-30m by 10-20%, which is conducive to the high-quality, energy-saving and high-yield of cement ball mill. Such additives are collectively referred to as grinding aids. In most cases, the use of grinding aids can increase the output of the cement ball mill without changing the cement production process, the purpose of improving the quality of cement production line, reducing costs, and producing green high-performance environmentally friendly cement can be achieved.

In the cement production process, the use of new technologies and processes can greatly reduce energy consumption, save investment, and achieve economic benefits. Such as multi-point feeding, multi-point retrieving, circulating grinding process; extruder combined grinding process, etc. At the same time, we must vigorously promote to use energy-saving cement grinding equipment. For example, instead of traditional cement ball mills, select new type cement vertical mills, trapezoidal mills, and other energy-saving cement grinding equipment.

At present, these two measures are the main reform directions for the cement mill optimization. The following effects can be achieved: the output is increased by 30% -60%, the power consumption is reduced by 25% -40%, and the power consumption per ton of cement is reduced by 8-12kWh. It can effectively increase the strength of cement. Generally speaking, the strength of cement can be increased by more than 5MPa.

Frequency conversion technology is one of the energy-saving technologies. This technology can help some auxiliary equipment in cement plant to save energy, such as fans, batching metering, and variable-speed equipment. At the same time, it also meets the characteristics of low-speed operation and large starting torque of the cement ball mill and realizes the continuous adjustment of the running speed of the cement ball mill. There is no inrush current when the motor starts, the starting distance is sufficient, and the protection function is perfect. Ensure the quality of process control and save maintenance costs.

The use of low-voltage motor full-phase control technology, it has the advantage of automatically adjusting the output power of the motor when the load is lightly loaded and heavily loaded so that the motor can save electricity by 15% at the time. Adopt a green lighting system, through these technical measures, greatly improve the power factor, reduce the reactive power demand, and reduce the loss of active power.

In general, correctly coordinating the relationship between quality, output, and the energy consumption is the basic way for cement grinding to save energy and reduce consumption. Traditional cement mills have low energy utilization rate and do a lot of useless work. The energy-saving technology should be the basic task of transforming the cement grinding process, and all these need to be established on the basis of a certain quality index control. To achieve a reasonable particle ratio of cement materials, it should meet the gradation requirements of performance, and add an appropriate amount of industrial waste residue.

cement mill, cement ball mill, cement grinder

cement mill, cement ball mill, cement grinder

The cement mill is key equipment for the grinding process of the cement clinker after the crushing process of it. It is mainly used in the cement silicate product industry. After long term design and manufacture of the cement mill, our company now has series of cement mill with various specifications to meet with different requirement from our customers.

Features of Cement Mill: Our company adopts suitable transmission methods according to different specifications. We have brim drive and center drive as transmission form. The cylinder adopts new type step lining to increase the grinding area. And it is easily repairable and changeable. The new designed separate-chambered structure adopts flexible lifting blade and fixed lifting blade and it is easily fixed and repaired.

Working Principle of Cement Mill: The cylinder will rotate by the transmission device. Due to the inertial centrifugal force, the steel balls will stick on the liner plate and rotate with the cylinder together. When the steel balls come to a certain height, it will fall down by gravity and impact the raw material. And the repeated going-up, falling down, slide and roll of the steel balls can grind the raw material together with the liner plates. Technical parameters

cement mill - cement grinding machine | agico cement grinding mill

cement mill - cement grinding machine | agico cement grinding mill

In the cement production process, the main functions of grinding equipment are grinding cement raw materials, cement clinker and coal for calcination. As one of the cement equipment suppliers in China, AGICO offers different types of cement mill which can be used as raw mill, cement grinding mill and coal mill. As the main cement equipment, they are respectively used in different stages of cement manufacturing.

Raw mill is the grinding equipment applied in the raw material preparation process. In the wet process of cement production, raw materials should be ground into raw slurry with a water content of 30% 40%. While in the dry process of cement production, they will be ground into dry powder in cement raw mill.

Coal mill is the main equipment in thepulverized coalpreparation process. Because calcining top-grade cement clinker requires a stable supply of coal powder as the fuel of cement kiln, and more than 85% of pulverized coal should be finer than 200 mesh, water content less than 2%, and calorific value more than 6000Kcal/kg,therefore the pulverized coal preparation system is one of the important links to ensure cement production.

Cement grinding mill is usually used in the clinker grinding process. It is the final stage in cement production which will directly affect the cement product quality, output and benefits. Clinker particles, gypsum, and other materials in cement grinding machine will be ground together into fine powder to match the fineness of the finished product.

The cement grinding mill in a cement plant mainly includes cement vertical mill, cement ball mill, ultra fine grinding mill, cement roller press, etc. They are suitable for both wet process and dry process.

AGICO offers EPC cement projects and different kinds of equipment needed for cement plant, such as a series of cement mills: cement ball mill, rod mill, cement vertical mill, ultra fine grinding mill, cement roller press, Raymond mill, and air swept coal mill.

AGICO Group is an integrative enterprise group. It is a Chinese company that specialized in manufacturing and exporting cement plants and cement equipment, providing the turnkey project from project design, equipment installation and equipment commissioning to equipment maintenance.

cement roller press, roller press in cement plant | agico cement

cement roller press, roller press in cement plant | agico cement

The cement roller press is a kind of cement equipment for brittle materials, apply for cement clinker, and cement raw material, gypsum, coal, quartz sand, iron ore, blast furnace slag, and other materials.

The cement roller press is generally applied to the cement grinding plant, according to the real working process, cement roller press works with cement ball mill or vertical cement mill, which helps cement grinding plant to works well.

As new-type and energy-efficient cement grinding machine, cement roller press has advantages of energy-saving, high efficiency, less steel consumption and less noise. Both apply for new cement plant building and old cement plant revamping. According to the data, roller press helps ball mill system to increase the output by 30-50%. The 0.08mm fine material in the extruded material cake accounts for 20-35%, and smaller than 2mm accounts for 65-85%.

install the roller press in the cement grinding plant, the high pressure load is transmitted to the layer of the grinded material through the diameter of the double roller, most of the energy is used for the mutual extrusion between the materials. The sound energy and thermal energy generated by the friction of the material are transformed into the deformation energy of the material, which causes deformation, tearing and pulverization and fully utilize the potential of the cement grinding equipment, increase the output by 50-100%, and reduce the total energy consumption by 20%-30%. Promote the production efficiency of the entire system.

The material after grinding is greatly reduced in both particle size and the Bond function index, thereby greatly improving the grinding condition of grinding machine, and the power consumption of the entire cement grinding system is significantly reduced. It can save25-50% energy compared to traditional grinding methods, and the annual electricity saving are considerable.

Compared with the tube mill, the roller press is simple in structure, small in size, light in weight, and takes up less space in the workshop. It can save civil construction investment and also facilitate the original investment. In addition, the operation and maintenance of the roller press is very simple.

The material is squeezed and smashed continuously in the roller cover, and the harmful dust is not easy to spread. At the same time, the noise of the roller press is much smaller than that of the tube mill because of no impact.

The traditional tube mill is limited by processing, transportation, heat treatment and other conditions, and the large-scale tube mill is greatly restricted. The roller press grinding system solves such problems well.

The roller press works according to the principle of high-pressure layer pulverization, and adopts the work mode of single-grain pulverization. The brittle material is subjected to high pressure extrusion (the pressure of the machine in the pressure zone is about 150 MPa), the particle size of the material is rapidly reduced, the fine powder content of less than 0.08 mm reaches 20-30%, and the material of less than 2 mm reaches 70% or more, and a large number of cracks are present in all extruded materials, so that the energy required for the material to be ground in the next process is greatly reduced.

The main body of the roller press is two rollers that rotate in opposite directions, one is a fixed roller and the other is a movable roller. The brittle material is fed into the weighing chamber with the load cell by the conveying device, and then passes through the feeding device of the roller press into two rolls of the same size and opposite to each other, and the material is pulled into the nip by one side of the roller. The material is pressed into a dense material cake with high pressure, and finally falls from the nip, and is discharged from the hopper by the conveying device. The cake is further dispersed or ground by the next process.

Both the cementball mill and the cement roller press have their own advantages and disadvantages, but in actual production, the cement roller press has the advantages that the ball mill does not have, mainly reflected in the following points.

Note: Due to the large force of the roller of the roller press, the roller press has some problems, such as the material and the wear of the roller surface, the bearing is easily damaged, and the gear of the reducer is prematurely broken. In addition, the process operation process is strict. For example, the feed material column is required to be dense and full, and a certain feed pressure is maintained. The feed amount control should be appropriate, and the grinding process system configuration should be appropriate, otherwise its superiority cannot be exerted.

cement ball mill - cement grinding machine - cement mill | agico

cement ball mill - cement grinding machine - cement mill | agico

The cement ball mill is a kind of cement grinding mill. It is mainly used for grinding the clinker and raw materials of the cement plant, and also for grinding various ores in metallurgical, chemical and electric power enterprises. It has the characteristics of strong adaptability to materials, continuous production, large crushing ratio and easy to adjust the fineness of grinding products. The cement ball mill can be used not only in dry method cement production line but also in wet method cement production line. In addition, it can realize the simultaneous grinding and drying, which is the important equipment for cement grinding. AGICO is one of the leading cement ball mill manufacturers in China. We supply the high quality equipment. If you are interested, please feel free to contact us.

The materials are uniformly fed into the first chamber of the mill by the feeding device through the feeding hollow shaft. There is a stepped or corrugated liner plate and some steel balls of different specifications in the chamber. The cylinder rotates approximately once every couple of seconds, and the centrifugal force produced when the cylinder rotates brings the steel ball to a certain height and then falls down. This kind of impact force will have a grinding effect on the material. After the kibbling in the first chamber, the materials will enter the second chamber through the monolayer partition board, which is inlaid with a flat liner plate and contains steel balls to further grind the materials. After that, the powder will be discharged through the discharge device.

AGICO Group is an integrative enterprise group. It is a Chinese company that specialized in manufacturing and exporting cement plants and cement equipment, providing the turnkey project from project design, equipment installation and equipment commissioning to equipment maintenance.

ball mill for sale | mining and cement milling equipment

ball mill for sale | mining and cement milling equipment

Anyang General International Co., Ltd. (AGICO Group) is a ball mills supplier. Our company is mainly engaged in the development, design, manufacture, installation and commissioning of various mining and cement milling equipment and a complete set of the industrial grinding line. AGICO Group was founded in 1997, registered capital 81.34 million yuan, covers an area of 66,000 square meters, has nearly 30,000 square meters of factory buildings and more than 150 sets of various production and processing equipment.

With more than 20 years of experience in the manufacturing and research of mineral and cement milling equipment, AGICO has more than 50 technical patents. All of our ball mills, vertical roller mill, rod mill and AG/SAG mill have passed the ISO9001 international quality system certification.

The ball mill has a vital role in the cement manufacturing process. The mixed raw materials (cement raw meal) before cement production and the finished products (cement clinker) after cement manufacture need to be ground by cement ball mill. The grinding media balls in the ball mill are used in cement plant to help grind blocky or granular grindable materials produced in the cement manufacturing process, so as to achieve the effect of grinding. Vertical roller mill(VRM) and clinker grinding mill and other cement grinding mill are also very common in cement plant.

Various ball mill machines, vertical roller mills and sag mills are widely used in the mining industry. Grate ball mills and raw mills are mostly used for mineral processing in some enterprises of mining industries. Wet ball mill and rod mill are commonly used in mineral processing production line, to grind various hardness ore materials. Customers who need to grind iron ore, siderite, marble, kaolin, mica, feldspar and other ores have chosen our mineral grinding machine.

AGICO uses the latest clean coal technology to create a professional pulverized coal ball mill. Coal mill can grind pulverized coal with different fineness requirements, with high fineness and large output, which can meet the needs of large pulverized coal projects. Coal mill is often used in thermal power plant, cement plant, coal fire power plants, etc. We grind large pieces of coal into pulverized coal, which produces more energy when burned. Therefore, the rotary kilns, boilers and other kiln equipment in these large factories usually use pulverized coal as fuel.

Efficient and energy-saving ball mill, intermittent ball mill, ceramic ball mill, rod ball mill. These types of ball mills can crush materials with different attributes. It is widely used in silicate products, new building materials, refractories, fertilizers, ferrous and non-ferrous metal smelting, glass ceramics and other production industries. Vertical mill, Raymond mill, ring roller mill which divided by different grinding methods can also be used for the production of phosphor powder, nano materials, zinc oxide powder, catalyst, rare earth polishing powder and other materials.

Production capacity: 300t/d Processed material: Silver ore Input size: 25mm Equipment: Wet grate type silver ore ball mill, wet overflow type silver ore ball mill, jaw crusher, cone crusher, flotation machine, concentrator, filter press. Auxiliary equipment: Linear vibration screen, cyclone. Request A Quote Right Now Free Solution Design: [email protected] Project Description Equipment Features Beneficiation Process

Production capacity: 1500t/d Processed material: Copper ore Input size: 25mm Equipment: 98-386t/h copper ball mill, jaw crusher, cone crusher, flotation machine, concentrator, filter press. Auxiliary equipment: Linear vibration screen, cyclone. Request A Quote Right Now Free Solution Design: [email protected] Project Description Equipment Features Beneficiation Process Project Description The 1500t/d Pakistan copper mine project uses a

Production capacity: Annual output of 300,000 tons Processed material: Soft coal Input size: 25mm Equipment: 5 sets of 20tph coal ball mill Auxiliary equipment: Desulfurization, denitrification, dust removal and other devices. Request A Quote Right Now Free Solution Design: [email protected] Project Description Equipment Features Solution Advantages Project Description The project is to build a high-efficiency

Influencing Factors of Tumbling Mill Working Capacity Tumbling mill is also known as a ball mill or rod mill. They are all composed of a cylindrical cylinder lying horizontally on the bearing, and the material is ground into powder by rotating the cylinder. When we want to discuss the factors that affect the tumbling mill

The grinding mill liners are the main wearing part of the ball mill equipment. The ball mill liner replacement should in time when the lining plate is excessively worn. Therefore, the selection and design of mill liners have always been of great concern to users. Function Design of Ball Mill Liners As one of professional

As a ball mills supplier with 22 years of experience in the grinding industry, we can provide customers with types of ball mill, vertical mill, rod mill and AG/SAG mill for grinding in a variety of industries and materials.

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