Flexible milling and grinding solutions that last flsmidth. Well, this safety factor can cost you much in recovery andor mill liner wear and. A second subject is the power draw a given sized mill can achieve, i. Maag gear techinal and commercial considerations related. This is a clip from flsmidth s online course ball mill basic learners course, a 20 minute online course on the ums ball mill. Proven speed reducer gear unit for ball mills flsmidth. In grinding, selecting calculate the correct or optimum ball size that allows for the best and optimumideal or target grind size to be achieved by your ball mill is an important thing for a mineral processing engineer aka metallurgist to do. A power model for fine grinding higmills ar heath1, v keikkala2, a paz1 and h lehto2 1. Ball mill application ball mill grinding is a highly energy consuming process and the ecsprocessexpert ball mill application is built to meet the increasing demand for maximum production with minimum power consumption while minimizing variations in quality. Flsmidths reliable milling and grinding technologies can handle virtually any feed material, and offer flexibility and cost savings. Worn roller grinding surfaces can either be replaced or rewelded inside the vertical roller mill. The ok mill can contribute significantly to profitability and. As the marketleading supplier of engineering, equipment and service solutions, flsmidth improves performance, drives down costs, and reduces the environmental impact of operations.
Our modern vertical roller mill takes you further flsmidth. The ball mill is used to grind many kinds of mine and other. The highperformance gear unit you need to drive your ball mill. Ball mills ball mills are used for dry and wet grinding of different materials such as cement materials, cement, lime, and ceramic materials. Gear unit that perfectly fits your ball mill flsmidth. Flsmidths rocks is an intense arcade game that has you taking care of ball mill business. Ok cement mill the most energy efficient mill for cement. Flsmidth delivers sustainable productivity to the global mining and cement industries. Suitable for almost all applications where a ball mill is required. This fact should be carefully kept in mind when determining the capacity of a steel head ballrod mill, as this unit can carry a greater. Flsmidth improves performance, drives down costs, and reduces the environmental impact of operations. Most cement is currently ground in ball mills and also vertical roller mills which are more effective than ball mills. Fitted behind the electric motor or on the free highspeed shaft end of the gear unit, the auxiliary drive of our maag gear wa temperex gear unit gives you a costeffective way to perform maintenance.
A cement plant in the south of france is dependent on continuous ball mill operation for powdered lizenithne. Ball mill bearings application fact sheet french cement ballmill. Improving grinding efficiency in closed circuit cement ball mill. One side drive provides a power range up to approximately 8,000 kw when engaged with the girth gear of your ball mill. Jul 25, 20 the flsmidth ok mill the higheffiency and reliable roller mill atox mill scribd atox mill download as pdf file. In smaller mill sizes flsmidth has a more costeffective mill line called the ft series, with mills ranging in size from 1.
After welding the segments are annealed in order to relieve internal stress. Our vxpmills are designed for easy shipment, simple installation and troublefree maintenance. Flsmidth grinding an extremely compact, airswept vertical roller mill, the atox grinds. When future tonnage is to be increased, the sag mill can feed downstream ball milling to boost capacity. With years of experience in the cement and mining industries and over 3000 mills sold worldwide, flsmidth continues to develop its range of efficient milling and grinding solutions. Highperforming gear unit for your ball mill flsmidth. Fls ball mill mill grinding bearing mechanical scribd. Jun 24, 2015 flsmidth is inviting you to learn where you are, at your terms and at your convenience. Ball mill application page 8 multifuel application page 6. Flsmidth ball mill for cement grinding pdf free download. Ball mills ball milling is the most common application for horizontal tumbling mills. Page 1 this f document is bookmarked operating instructions and parts manual variable speed turret mill model jtm4vs shown with optional accessories xaxis table powerfeed and dro walter meier manufacturing inc27 new sanford road lavergne, tennessee 37086 part no690182 ph8002746848 revision h 042011 ltermeierm. Change the total cost equations there is no free lunch, but we can. This type of mill usually works with a high circulating load and thus produces very little extreme fines.
The entire mill body is inspected by nondestructive testing. In dual arrangement, with one gear unit on either side of the mill, our maag lgdx gear unit covers grinding applications up to 14,000 kw. Girth gears more than just metal and teeth steve lovell introduction the clear majority of published knowledge about gear manufacturing relates to two main subjects. Ball mills are commonly used for crushing and grinding the materials into an extremely fine form. Too low a speed and little energy is imparted on the product. Versatile system based on standard modules 2 the flsmidth ball mill is designed for grinding of clinker, gypsum and dry or moist additives to any type of cement. The flsmidth ball mill grinds cement clinker, plant layout and end professional cement ball mill. Flsmidth rotary kiln henan mining machinery co ltd. Flsmidth grinding an extremely compact, atox mill fls in bangkok, thailand gold ore crusher. The size of a mill is usually characterized by the ratio length to diameter and this ratio most frequently varies from 0.
Flsmidth ball mill crusher mills, cone crusher, jaw crushers. Animation of the flsmidth ok vertical roller mill which can be used for portland cement, slag and blended cement. In 2017, flsmidth also introduced the ok raw mill for raw. Ball mill is an efficient tool for grinding many materials into fine powder. Advanced process control from flsmidth ensures that cement plants perform better, resulting. The cylindrical jar is used as a mill that would rotate the. The twocompartment ball mill operating in a closed circuit with a high efficiency separator is thus still the most preferred arrangement for new cement grinding installations although the vertical roller mill now has emerged as a viable alternative to the ball mill system and has increased its share of the market for cement mills over. Maag gear techinal and commercial considerations related to. Unused metso 22 x 38 6706mm x 11582mm ball mill, 10,000 kw 405 hp twin pinion 50 hz motors and gear reducers.
Discover all the products from flsmidth dorroliver eimco and see a list of their distributors. The ball mill is a key piece of equipment for grinding crushed materials, and it is widely used in production lines for powders such as cement, silicates, refractory material, fertilizer, glass ceramics, etc. Flsmidth ok vertical roller mill ultimately, rewelding or replacing segments. Versatile system based on standard modules 2 the flsmidth ball mill is designed for. We can help guide you to the best solution for your equipment needs. Stirred milling machine development and application extension jon allen metso global product manager, stirred mills. In most cases, the mechanical accuracy of the gear blank is taken for granted and, after all, preparing a gear blank normally consists of. Outotec offers a full range of ball mills to suit a wide variety of duties, from a few hundred kw all the way up to 20 mw and beyond.
Flsmidth ball mill for cement grinding 2 versatile system based on standard modules main features shell supported ball mill of wellproven design side or. The discharge trunnion can be furnished with trommel screen. Often, the ball used in ball mills is oversize just in case. Cement grinding vertical roller mills versus ball mills. This is a clip from flsmidths online course ball mill basic learners course, a 20 minute online. Ok cement mill the most energyefficient mill for cement grinding. Use the auxiliary drive to simplify buildup welding on your mill or to conveniently reposition the mill during maintenance. Mining technology mining news and views updated daily is using cookies. No matter how large or small a mill, ball mill, ceramic lined mill, pebble mill, jar mill or laboratory jar rolling mill, its rotational speed is important to proper and efficient mill operation. Improving knowledge of grinding technology and mill operations to operate, optimise and troubleshoot ball mill and vertical roller mill grinding installations. Single stage sag mills are very beneficial in reducing capex for plants with a staged throughput approach. The ok vertical roller mill is manufactured by flsmidth under license from earthtechnica c. Ppt ball mill powerpoint presentation free to download.
Ball mill inspection 2 inspection during operation key benefits flsmidth uses. Flsmidth is inviting you to learn where you are, at your terms and at your convenience. Cost of cement grinding mill cement vertical mill cement raw mill flsmidth jforum java discussion board for the raw mill, flsmidth subsidiary maag gear is likewise to supply a 6000 the supply of four ok 364 vertical roller mills for cement grinding has reinforced. A cement mill or finish mill in north american usage is the equipment used to grind the hard, nodular clinker from the cement kiln into the fine grey powder that is cement. Ball mill in north american market ball mill is used everywhere and any industry. Horizontal ball mills have become a reliable part of grinding plants main characteristics of ball mills seated on shoetype bearings. There are three types of grinding media that are commonly used in. Sagag mill sizes have ranged from 18ft through to 38ft in diameter with powers as high as 27,000hp. The grinding circuit for the copper mountain project consists of one flsmidth sag mill and two flsmidth ball mills.
Maag gear techinal and commercial considerations related to the cement mill production free download as powerpoint presentation. Pdf the flsmidth rapid oxidative leach rol process. Stirred milling machine development and application extension. Ball mills and vertical roller mills are used for many grinding applications in cement production. Cement grinding vertical roller mills versus ball mills rucem. Flsmidth mining technology mining news and views updated. Please feel free to give your inquiry in the form below. The industry best in energyefficient grinding, the ok mill uses five to ten percent less power than other vertical roller mills and 30 to 50 percent less energy than conventional ball mills. Present in more than 50 countries and headquartered in copenhagen, denmark. H is the mill load height at rest, d is the ball diameter, ks are fitted parameters. Cement vertical raw mills of flsmidth crusher mills. Calculate and select ball mill ball size for optimum grinding.
The design of a ball mill can vary significantly depending on the size, the equipment used to load the starting material feeders, and the system for discharging the output product. Benefits 3up to 6% increase in production up to 4% reduction in ball mill specific. This project is to design and fabricate the mini ball mill that can grind the solid state of various type of materials into nanopowder. Advanced process control for the cement industry flsmidth. Our vertical roller mill for raw, cement, and slag grinding applications offers the best energy efficiency, easy operation, and lowest cost of. If the ball mill would be equipped with fixed speed motors, then they will have to be washed out, isolated and stopped. This highly efficient mill grinds all types of raw materials. Our sagag ball and rod mills include fullertraylor mills, the most robust design in the industry with installations up to 25ft in diameter. Aug 04, 2008 animation of the flsmidth ok vertical roller mill which can be used for portland cement, slag and blended cement. Cement vertical raw mills of flsmidth crusher mills, cone. This experience and knowhow, as well as close collaboration with our customers, means we can deliver advanced milling and grinding technology solutions that puts. This cylinder is filled with balls that are made of stainless steel or rubber to the material contained in it. Fls raw mills of the ball mill type are atox raw mill fls insitu atox mill bowl 42 fls insitu ok39 fls insitu mts atox vertical roller mill pdf. The ball mill contains a hollow cylindrical shell that rotates about its axis.
1406 1278 1230 467 24 460 170 217 1389 691 349 1018 568 128 881 478 1375 393 377 1072 1103 717 1170 1483 361 1113 197 656 1492 478 632 1050 712 457 1177 104 407 1388 668 1000 568 430 1478