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          Tel&whatsapp: +86 13917147829 +86-21-20236178

          Product Profile

          Based on nearly 20 years mill research and operation experience, LUM 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.

          LUM 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.

          Industrial Application

          1. Typical Material Application
          2. Professional Fields
          • Barite

            Barite

            Moh's hardness:2.5-3.5

            market value:X dollar

            main application:oil drilling、chemical industry、glass、rubber、construction industry

          • Dolomite

            Dolomite

            Moh's hardness:2.5-3.5

            market value:X dollar

            main application:oil drilling、chemical industry、glass、rubber、construction industry

          • Kaolin

            Kaolin

            Moh's hardness:2.5-3.5

            market value:X dollar

            main application:oil drilling、chemical industry、glass、rubber、construction industry

          • Limestone

            Limestone

            Moh's hardness:2.5-3.5

            market value:X dollar

            main application:oil drilling、chemical industry、glass、rubber、construction industry

          • Paper-making Field

            Paper-making Field

            Combining wet grinding, the materials processed by ultrafine vertical mill like calcium carbonate are always characterized by high whiteness, high capacity, low iron content, low power consumption. It is the ideal pre-processing mill which should be given priority to by large-scale paper-making plants before wet grinding.

          • Rubber Field

            Rubber Field

            The tailored rubber powder, produced by ultrafine vertical mill, has good reinforcement. In terms of stretching resistance, tear resistance, resilience, ageing resistance, the powder can replace part hard charcoal as filler, apparently cutting the production costs of downstream products.

          • PVC Product Field

            PVC Product Field

            Characterized by rigidity enhancement and excellent processing performance, PVC hard product powder, produced by ultrafine vertical mill can basically substitute light calcium to reduce production costs drastically under the premise of keeping high-quality of PVC.

          • Artificial Stone Field

            Artificial Stone Field

            Ultrafine vertical mill, as the best modified grinding equipment for artificial stone powder production, can directly undergo modification during grinding. Artificial stone powder produced by ultrafine vertical mill has advantages of low oil absorption and satisfying grading. It reduces the addition of artificial resin and production costs while the product quality is reliable.

          Working Principle

          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

          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

          Main configuration and production

               Model

          Item

          CLUM1425

          CLUM1632

          CLUM1736

          Working Diametersmm

          1400

          1600

          1700

          Number of rollerspieces

          3

          3

          3

          Number of classifierpieces

          5

          7

          7

          Power of classifierKw

          5X15

          7X15

          7X1518.5

          Main unit power Kw

          250

          315

          355

          Blower powerKw

          200

          250

          315

          Feed size mm

          10mm

          10mm

          10mm

          Moisture of feeding material

          3%

          3%

          3%

          Less than 2μm=34%  

          outputt/h

          11-14

          13-17

          15-19

          Less than 2μm=46%  

          outputt/h

          7-8

          9-10

          11-12

          Less than 2μm=60% 

          outputt/h

          3-4

          /

          /

          Material: based on calcite

          Particle size distribution: measured by micro laser diffraction particle size analyzer in British Malvern3000 instruments

          LUM1425 Technical parameter

          (t/h)Output

          Item

          11.0-14.0 8.0-10.0 7.0-8.0 5.0-6.0 3.0-4.0
          specific surface area(cm2/g) 11000±500 13500±500 15000±500 17000±500 19000±500
          325mesh remaining amount (%) 0.015 0.015 0.01 0 0
          less than 2μm powder content (%) 34 38 46 53 60
          Median particle diameter D50 (um) 4.2 3.0 2.4 1.8 1.4
          General name(mesh) 600 800 1250 2000 2500
          Particle size distribution D97 (um) 30 25 20 15 9
          Particle size cut point D100 (um) 80 48 38 28 18
          Moisture content (%) <0.3% <0.3% <0.3% <0.3% <0.3%
          Energy consumption (KW/T) 38-40 40-50 47-53 50-53 110-125

          LUM1632 Technical parameter

          (t/h)Output

          Item

          13.0-17.0 11-13 9.0-10.0 7.0-8.0
          specific surface area(cm2/g) 11000±500 13500±500 15000±500 17000±500
          325mesh remaining amount (%) 0.015 0.015 0.01 0
          less than 2μm powder content (%) 34 38 46 53
          Median particle diameter D50 (um) 4.2 3.0 2.4 1.8
          General name(mesh) 600 800 1250 2000
          Particle size distribution D97 (um) 30 25 20 15
          Particle size cut point D100 (um) 80 48 38 28
          Moisture content (%) <0.3% <0.3% <0.3% <0.3%
          Energy consumption (KW/T) 38-40 40-50 47-53 50-53

          LUM1736 Technical parameter

          (t/h)Output

          Item

          11.0-14.0 12.5-14.5 10.0-11.0
          specific surface area(cm2/g) 11000±500 13500±500 15000±500
          325mesh remaining amount (%) 0.015 0.015 0.01
          less than 2μm powder content (%) 34 38 46
          Median particle diameter D50 (um) 4.2 3.0 2.4
          General name(mesh) 600 800 1250
          Particle size distribution D97 (um) 30 25 20
          Particle size cut point D100 (um) 80 48 38
          Moisture content (%) <0.3% <0.3% <0.3%
          Energy consumption (KW/T) 38-40 40-50 47-53

          Product Features

          Ultrafine Vertical Mill VS Ball Mill

          Project Ultrafine Vertical Mill Ball Mill
          Energy Consumption 30% - 50% lower than that of ball mill. High.
          Occupied Area 50-70% of that of ball mill Large.
          Feeding Size Depending on size of grinding roller Limited by maximum steel ball; Feeding size is relatively
          Depending on size of grinding roller. Permissible for relatively large raw materials. small.
          Product Fineness Adjustable grinding pressure; A large amount of fine powder can be produced. Depending on materials ground. Usually, fine powder proportion is relatively low.
          Time for Product Replacement Available to replace one kind of materials for grinding another kind of materials in one mill in short time. Long time needed to clear previous materials.
          Product Whiteness High whiteness Grinding medium pollution
          Initial Investment Costs Slightly higher than ball mill more than ball mill Compared with ultrafine vertical mill, it has a slight advantage.
          Operation Cost Very low. Quick-wear parts have low power consumption. High. High power consumption is incurred by quick-wear parts.
          Noise Lower than ball mill in plants. High
          Shape of Products Degree of sphericity is good. Degree of sphericity is relatively better.
          Sensitivity toward Foreign Materials Sensitive to metal. Insusceptible to foreign matters.

          Customer Case

          • A

            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

            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, a powder processing plant

            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.

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