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1 Aston Mill Farm Aston, Stone, ST15 0BJ2 3 Aston Mill Farm Aston, Stone, Staffordshire, ST15 0BJ A charming detached house occupying a truly delightf...
Usage: grind stone into powder
Finished powder size: 200-2500 mesh
Applicable material: about 200 kinds of non-metallic ores like limestone, calcite, talc, dolomite, carbon black and so on.
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Product Profile Based on nearly 20 years mill research and operation experience, CLUM Ultrafine Vertical Mill has been developed as the equipment for ultrafine powder grinding and separation. Its production introduces talents in ultrafine powder production and machine manufacturing industry, and absorbs the technologies and experience of ultrafine vertical mills from Germany, Japan and Taiwan, etc. CLUM Ultrafine Vertical Mill is the specialized ultrafine grinding equipment for non-metallic ores. It suits for grinding non-flammable, non-explosive brittle materials with Moh’s hardness below 6 such as limestone, calcite, marble, talc, barite, brucite, wollastonite, pyrophyllite, dolomite, kaolin, lime, saponite, etc. The mill takes Automatic Central Control System, widely used in paper-making, plastic, rubber, artificial stone, painting and coating industries. It is the specialized equipment for producing filler of large-scale paper-making plants and calcium carbonate for coating, and processing other large-scale ultrafine powder.
Typical Material Application
Working Principle Motor makes grinding revolve under action of reduction gear. Materials, after being measured by belt scale, are sent to center of grinding disc by feeding screw. Because of centrifugal force, the materials would move towards the fringe of disc and then enter the grinding zone between grinding roller and disc to be ground. The materials which have been ground would keep moving toward fringe of grinding disc until they spill out of the disc. Through air inducing ring on the
fringe of grinding disc, airflow sends these spilling materials to powder concentrator for classifying powders. The coarse powders which don’t meet the requirement of fineness would fall to the disc for another grinding while these qualified powders, as finished products, would be collected into dust collector and finally sent to finished product silo by conveying system for storage and packaging.
Technological Process 1. Each Parts of Ultrafine Vertical Mill A. Main Machine B. Motor C. Gear Motor D. Grinding Roller E. Pressure Device of Hydraulic Cylinder F. Powder Concentrator G. Hydraulic Station & Lubrication Station
2. Production Process A. Crushing system: raw material silo; feeder; jaw crusher; belt conveyor; de-ironing separator; hammer crusher; elevator; dust collector; surge bin. B. Grinding system：quantitative belt scale；elevator; spiral conveyor; de-ironing separator; ultrafine vertical mill; pulse dust collector; fan; air door.
C. Conveying system: elevator or pneumatic conveyor. D. Auxiliary system: agent adding system; compressed air system; water cooling system.
Technical Parameter Model Item Working Diameters（mm） Number of rollers（pieces） Number of classifier（pieces） Power of classifier（Kw） Main unit power （Kw） Blower power（Kw） Feed size （mm） Moisture of feeding material Less than 2μm=34% output（t/h） Less than 2μm=46% output（t/h） Less than 2μm=60% output（t/h）
Main configuration and production CCLUM1 CCLUM1632 425 1400 1600 3 3 5 7 5X15 7X15 250 315 200 250 ＜ ＜10mm 10mm ＜3% ＜3% 11-14 13-17
A. Special grinding curves of grinding roller and grinding disc ensure stable and efficient operation of host machine.
B. Grinding roller takes mechanical position limiter, directly avoiding touching grinding disc. Therefore, destructive collision and violent shocks are avoided.
C. Special sealing design prevents dust from entering the inside of bearing to keep long-term operation of grinding roller.
D. The high-efficiency powder concentrator can freely adjust the particle sizes and ensure the accurate cutting point and reproducibility of products.
Better Finished Products, Higher Profits
A. Fineness of finished products can be adjusted flexibly. Primary powder production can reach D97=10μm-20μm while the next powder separation attains D97=4-5μm easily. Finished products have advantages of high content of fine powder, high whiteness and more compact granularity.
B. Lingering time of materials in grinding cavity is short. The components and fineness of finished products can be measured and collected quickly, keeping stable quality of finished products.
Smooth Operation, Lower Costs
A. Grinding roller grinds the materials directly. Its energy consumption is 10% lower than other types roller mill and 25-60% lower than that of ball mill.
B. No direct touch between grinding roller and disc and the special wearable alloy materials used in grinding roller shell and lining plates grant a long life expectancy of mill and save the costs on quick-wear parts.
C. Automatic control systems like PLC, DCS and Central Control System can be used to operate machines remotely, saving labor force.
Eco-friendly Design, Higher Standards
A. Because of no touch between grinding roller and disc, there is no clang and slight vibration. The noise is 20-25 decibel lower than that of ball mill.
B. The whole set of system is fully sealed and operates with negative pressure. Besides, it is equipped with pulse dust collector so the exhaust emission completely meets related national standards.
A Paper Mill in Vietnam Adopting our 1232 ultra-fine grinding mill rather than the original powder making machine, the customer has greatly improved the product stability. The particle size analysis demonstrates that the particle size distribution is narrow and fine powder content (2UM up to 30%) does not contain any secondary pollution, which has extensively enhanced the product quality. Our customers have won back all the investment cost just for one year and expressed highly praise for our products.
A paper mill in Malaysia
Employing our 1125 ultra-fine grinding mill with whiteness consistent to the ore, high purity and stable operation instead of the previous Raymond mill production, our customer has greatly improved the product quality. DCS control system makes the operation become extremely simple. With the advantages of effective environmental protection and low production costs, our machine has gained good reputation.
Nigeria powder processing plant Our 1125 ultra-fine grinding mill features high fine powder content, stable particle size and product quality 10-15% higher than the market price, which leads to the product short supply. Consequently, we are prepared to expand the second production line.