Preview

Working Principle of Overflow Type Ball Mill

Good Essays
Open Document
Open Document
435 Words
Grammar
Grammar
Plagiarism
Plagiarism
Writing
Writing
Score
Score
Working Principle of Overflow Type Ball Mill
Ball mill is the key equipment for secondary grinding after crushing. And it is suitable for grinding all kinds of ores and other materials, no matter wet grinding or dry grinding.Besides, it is mainly applied in many industries, such as ferrous&non-ferrous metal mine, building materials, chemical
Ball mill is the key equipment for grinding after the crushing process, which is widely used in the manufacture industries, such as cement, silicate, new building material, refractory material, fertilizer, ferrous metal, nonferrous metal and glass ceramics and can be used for the dry and wet grinding for all kinds of ores and other grind-able materials.
Coal mill is an important auxiliary equipment for coal-powder furnace, and it has three methods to crush the coal lump and grind them into powder,like crushing, impacting and grinding. Air swept coal mill is the main equipment in cement plant for both drying and grinding of the powders.
After materials enter Ball Mill through feeding device, the surface of pulps in the cylinder body will be higher than that of the minimum bus of inner diameter of the discharging tube. At this time, materials ground by ball mill can be discharged out of ball mill through the discharge pipe. This type of ball mill will have the end of discharging pipe made as horn-shape at the end of outlet pipe inside hollow shaft. In addition, this kind of ball mill is equipped with a block ring at the end of the hallow shaft to prevent the pulp from leaking into the bearing.through the holes of bolts in the cover. At the same time, overflow type ball mill also has a spiral inside the discharging pipe. The direction of the spiral is opposite to the running direction of cylinder body, which can prevent steel balls and ores from being discharged out of ball mill. However, it has low capacity and is easy to over-crushing. The quill shaft adopts cast steel part and the liner is detachable. The turning gearwheel adopts casting hobbing process and the

You May Also Find These Documents Helpful

  • Powerful Essays

    Molybdenum ore ball mill ApplicationBall mill, a type of Grinding Mill, is a cylinder-shaped device used to grind materials like ores, chemicals, ceramic raw materials and paints. The ball mills are the key milling equipment after material has been crushed. It is divided into two rubbing way, the dry and the wet Ball mills mainly composed of charging and discharging, cyclone and rotation parts (like redactor, minor rotation gear, motor, electric machine, etc.)Molybdenum ore ball mill PrincipleThe ball mill is a horizontal rotating device transmitted by the outer gear. The materials are transferred to the grinding chamber through the quill shaft uniformly. There are ladder liner and ripple liner and different specifications of steel balls in the chamber. The centrifugal force caused by rotation of barrel brings the steel balls to a certain height and impact and grind the materials. The ground materials are discharged through the discharging board thus the grinding process is finished.Specifications of Molybdenum ore ball mill Modelcylinder speed(r/min)Ball Weight(t)feed particle size(mm)Give Makings Size(mm)Output(t/h)motor power(kw)Total weight(T)900×180036~381.5≤200.075-0.890.65-218.54.6900×3000362.7≤200.075-0.891.1-3.5225.61200×2400363≤250.075-0.61.Flotation Machine5-4.830121200×3000363.5≤250.074-0.41.6-53712.81200×450032.45≤250.074-0.Flotation…

    • 500 Words
    • 2 Pages
    Powerful Essays
  • Satisfactory Essays

    The two phenomena can make the grinding ability declined dramatically. In the usual operation,we will strictly control the water into the grinding material and the temperature of the ball mill. Henan Zhengzhou Mining Machinery Co., Ltd. specializes in the production of ore ball mill. The midheaven axis uses the steel casting, the inside lining is detachable, rotates the big wheel to use the casting to roll the tooth processing, tube in vivo besets with by the wear-resisting backing, has the good resistance to wear. It revolves steadily, operation reliable. ball mill:…

    • 262 Words
    • 2 Pages
    Satisfactory Essays
  • Good Essays

    Energy-saving ball mill is the key equipment for grinding after the crushing process, which is widely used in the manufacture industries, such as cement, silicate, new building material, refractory material, fertilizer, ferrous metal, nonferrous metal and glass ceramics and can be used for the dry and wet grinding for all kinds of ores and other grind-able materials. After knowing the categories of ball mill, let us study the methods to improve the yield of ball mill. In general, there are three simple and direct ways to increase the output of ball mill:The first method is to set a fine crusher in front of the mill.to crush the materials, so the crushed materials can enter into the ball mill with reduced size, thereby reducing the load on the grinding system. The second way is to improve grinding system, and then improve grinding efficiency, so that put the basic work done. The third method is add a high-performance separator, separator is used to select the finished powder as many as it can. So reducing the rate of finished products come back to the mill, thereby reducing the burden mill. Anyone of these three methods can greatly improve the production of ball mill. If the condition permit, using these three methods together would be more effective, which will also be the design trend of grinding system both at home and abroad. Finally, let us sum up what relationships do these three methods have: using fine crusher before materials entering mill is a condition, using separator after grinding is a guarantee, and transforming the mill itself is the basic. After crushing, the particle size of materials become small and separating efficiency become high.. Then the all system is improved. The production is also increased. As an Fote grinding mill equipment, ball grinding mill have a widely application, and it is also an inseparable equipment in many industries. Ball mill according to different classifications also have different categories, and can be divided into dry…

    • 365 Words
    • 1 Page
    Good Essays
  • Good Essays

    The calling name of ball mill and rod mill comes from the different grinding medium. Rod mill is called rod mill because the grinding medium in the barrel is steel rod. Rod mill is usually wet overflow type and can be used as the first level open grinding. It is widely used as the first level ore grinding in artificial stone and sand, dressing plant, power department of chemical plant. Ball mill is the key equipment when the crushed materials need to be ground. Ball mill is one of high fine grinding machines that are widely used in industrial production.…

    • 376 Words
    • 2 Pages
    Good Essays
  • Satisfactory Essays

    Materials appropriate,Vibratory feeder reasonable distribution of residual stress may be progress processing, the progress of stress erosion ability and prolong the service life of material components factors. And not appropriate residual stress will reduce processing, the stress of erosion, lose size accuracy, and even cause deformation and cracking and other early failure accident, so mechanical parts large mechanical components residual stress to the processing,Mineral impact crusher fight stress erosion ability, size not disorderly service life is very important influence. Materials heat treatment effect the quality of ball mill, function is the most important factor in service life. Heat treatment can change the ball mill stress distribution, make the material surface to form a very wide pressure stress distribution belt,Cone crusher thus it can greatly improve the actual material handling bearing capacity. The ball mill heat treatment can also change the ball mill surface CuZhuo degree,Cone crusher manufacturer and effectively remove the electrical discharge machining and produce surface metamorphism.…

    • 484 Words
    • 2 Pages
    Satisfactory Essays
  • Good Essays

    Ball Mill running with the long-term suspension, when the length of the ball is not the same. This is due to the different shell temperature rise caused by thermal expansion and contraction. Thus, in the design, installation and maintenance must take into account the thermal expansion and contraction of the barrel of this character. General mill near the discharge end of gear in order to ensure the proper meshing gears, in the discharge end is not allowed in any axial movement, and so are the feed side has to adapt to changing line axial thermal structure. Variable ball axial line hot mill structure, there are two ways to consider: one is to use hollow shaft shoulder and bearing journal between the reserved space to consider. The other is between the bearing and the bottom level of installation of the number of root Gang Gun, when the ball thermal expansion and contraction, the base of the feed-side bearings can be moved along the stick. ball of each position should be to create a mill door (or into the hole). Grinding’s role is framed for the door linings, diaphragm plate, filling or pouring body and stop grinding mill grinding checking warehouses and so on. Mill’s main bearings most commonly used is the sliding bearings, its diameter is large, but the length is very short. Bearing with Pakistan’s gold casting. Sliding bearings with the hongxing difference is that only the lower half of a bush. In addition to bearing the entire bearing with babbitt casting, the rest are made with steel. As the ball of the span and load large, will take place around the song a certain extent, but also manufacturing and installation errors are also difficult to ensure accurate coaxial degree, therefore, auto-aligning bearings made of type, spherical and spherical-watt watt Block Block between the center of a sphere as the center of rotation to be able to move slightly relative to the role and uniform load distribution on the bush.Scientific management, advanced processing technology…

    • 403 Words
    • 2 Pages
    Good Essays
  • Satisfactory Essays

    High Efficiency Universal Fine Powder PulverizerApplication1.Agriculture:A.can be used as feed/forage for granules (rice, corn, sorghum, wheat, bean and pea), stem(peanut stem, corn cob), peant shell and other crops;B.can crush all kinds of biomass raw material, such as corn straw, wheat straw, cotton straw, rice straw, rice husk, peanut shell, corn cob, branch, leaves, sawdust and other africulturial and wood materialsC.used to crush all kinds of leather bits, to recycle waste things;2.Industry: Can crush coal, barite and other non-metal materials.3.Medical field: can make medical powderWorking Process1.Crush the raw materials when the high speed rotary flexible fluted disc and the fixed fluted disc impact and rub with each other, or the raw materials knock with the discs.2.Filter the crushed materials, and then the powder will be made.Technical Parameters ModelProcessing Capacity(T/H)Motor(KW)Speed of the Spindle(R/MIN)Granularity of finished product(MM)DSM-5060 0.8-1.218.518001-20DSM-60601-1.83016001-20DSM-80102-44515001-20DSM-1010 2.5-55514001-20DSM-1212 3-67510001-20Product Feature1.Reasonable design, high quality;2.Simple structure, simple operation;3.Saving energy, small in size;4.Full automatic electric heating equipment;5.Random dry and wet control of the materials;6.High stability and high work efficiency;Advantage1.Mechanical automatic feeding system: simple operation and high production efficiency;2.stability: continuous grinding, high balance, reliable and safe;3.Durablity: steel structure components, reliable materials; High power self-aligning bearing;4.Low cost: low power; superior diffusion knife, can be resharpened for many times;5.Convenient movement: produce different kinds of…

    • 363 Words
    • 2 Pages
    Satisfactory Essays
  • Good Essays

    The overfall type ball mill has an open-ended discharge opening. Since there is an ore pulp gradient between feeding end and discharging end of the ball mill, the final materials overflow from the hollow shaft. The anti-spin device on the liner plate of the hollow shaft keeps the steel ball in the mill.…

    • 420 Words
    • 2 Pages
    Good Essays
  • Good Essays

    Ore body in a ball mill tube by the impact, grinding the peel force and squeeze the effects of stress and grated.The ball mill cylinder body equipped with grinding media. Grinding medium was brought to a certain height with the cylinder rotation, due to the weight of the media whereabouts.So mounted in the cylinder body of ore by the role of the media impact; On the other hand, due to the revolution and rotation of the ball mill grinding media along the axis of the cylinder in the cylinder body, between the grinding media and its contact with the cylinder area produce squeezing and grinding the peel force, ore and ore milled. Friction between the ball mill ball and cylinder when the cylinder rotates, the ball is brought up and rise to a certain height, the ball itself, gravity, and finally along the whereabouts of a certain orbit.…

    • 431 Words
    • 2 Pages
    Good Essays
  • Satisfactory Essays

    The ball mill is mainly used to grind materials in mineral, cement, refractory, chemical industry, etc. Ball Mill has dry and wet ways. When wet Ball Mill works, certain water and other liquid will be added into materials to increase flowability of materials, so the capacity is increased. When dry Ball Mill works, capacity is affected because material flowability is reduced, so absorbing wind device is needed on the outlet of Ball Mill, and then negative pressure is formed in the Ball Mill to increase flowability of material, so the capacity is increased.…

    • 400 Words
    • 2 Pages
    Satisfactory Essays
  • Satisfactory Essays

    Casting steel ball are most used in ball mill in metallurgy, cement, water coal slurry, new construction material and magnetic materials fields. Temperature of ball mill has an important impact on the quality of products. To understand the issue of temperature control of ball mill can better finish grinding.…

    • 272 Words
    • 2 Pages
    Satisfactory Essays
  • Good Essays

    Ball Mill is an efficient tool for grinding many materials into fine powder.ball mill also belongs to Grinder mill .The Ball Mill is used to grind many kinds of mine and other materials, or to select the mine. It is widely used in building material, chemical industry, etc.we aslo have Powder mill .There are two ways of grinding: the dry way and the wet way. It can be divided into tabular type and flowing type according to different expelling mine. We have Vsi Crusher and mobile crusher.To use the Ball Mill, the material to be ground is loaded into the Neoprene barrel that contains grinding media. As the barrel rotates, the material is crushed between the individual pieces of grinding media that mix and crush the product into fine powder over a period of several hours.…

    • 336 Words
    • 2 Pages
    Good Essays
  • Good Essays

    A typical type of fine grinder is the ball mill. A slightly inclined or horizontal rotating cylinder is partially filled with balls, usually stone or metal, which grinds material to the necessary fineness by friction and impact with the tumbling balls. Ball mills normally operate with an approximate ball charge of 30%. Ball mills are characterized by their smaller (comparatively) diameter and longer length, and often have a length 1.5 to 2.5 times the diameter. The feed is at one end of the cylinder and the discharge is at the other. Ball mills are commonly used in the manufacture of Portland cement and finer grinding stages of mineral processing. Industrial ball mills can be as large as 8.5 m (28 ft) in diameter with a 22 MW motor, drawing approximately 0.0011% of the total world's power (see List of countries by electricity consumption). However, small versions of ball mills can be found in laboratories where they are used for grinding sample material for quality assurance.…

    • 453 Words
    • 2 Pages
    Good Essays
  • Satisfactory Essays

    Ball mill grinding mill efficiency and productivity improvement, efficiency, intermittent ball mill, machinery, ball mill grinding efficiency and yield of the price increase is a common fine grinding mill machinery spare parts, in the mineral processing industry, building materials and chemicals have applications in the field. As a general-function equipment, it's important to know how to improve ball mill's productivity.…

    • 347 Words
    • 2 Pages
    Satisfactory Essays
  • Satisfactory Essays

    Ball mill is mainly used to grind raw materials in mining, cement, refractory material, chemical industries.It can be divided into dry and wet forms.When wet ball mill works,the materials are put with a certain amount of water or other liquid in order to increase liquidity and improve the production capacity. And ball mill in the dry process needs to be equipped with the wind device to increase liquidity and improve the production capacity.Ball mill is popular in lots of industries,in fact,it is an essential machine for grinding.HenanKefan is really a expert ball mill producer and exporter in China that was established in 1980.Ball mill includes feedisng component,discharging component, gyre component, transmission component,(decelerator, modest transmitting gear,power generator, electric manage) etc.The hollowed out axis explores the cast steel as well as the cellular lining can exchange, the rotating large gear operations with regards to spreading running equipment. The ball mill barrel body"s wearable nicely and contains scaleboard.This machine run gradually and works easily.…

    • 411 Words
    • 2 Pages
    Satisfactory Essays