ABB’s GMD is the most powerful mill drive system in the market to power semiautogenous SAG ball and autogenous AG mills This ’workhorse’ for grinding operations combines a robust servicefriendly and fit for purpose design to provide highest throughput reliability ...We are a professional mining machinery manufacturer, the main equipment including: jaw crusher, cone crusher and other sandstone equipment;Ball mill, flotation machine, concentrator and other beneficiation equipment; Powder Grinding Plant, rotary dryer, briquette machine, mining, metallurgy and other related equipment. which can crush all kinds of metal and non-metallic ore, also can be dry grinding and wet grinding.If you are interested in our products or want to visit the nearby production site, you can click the button below to consult us.Welcome to our factory to test machine for free!Get a Quote
For Ilmenite beneficiation, a combined beneficiation method is often better than a single beneficiation method, which can better improve the ore grade and recovery rate. At present, the combined separation method for ilmenite can be divided into four kindFurther Details
ABB’s GMD is the most powerful mill drive system in the market to power semiautogenous SAG ball and autogenous AG mills This ’workhorse’ for grinding operations combines a robust servicefriendly and fit for purpose design to provide highest throughput reliabilityFurther Details
Combine ABBs variablespeed drive system with advanced process control ABB Ability Expert Optimizer for grinding to provide maximum mill control It can be applied to new or existing AG SAG and ball mills powered by either ringgeared mill drives RMD or gearless mill drives GMDFurther Details
To ensure profitable operations an efficient grinding circuit has to be designed especially now where global mineral resources are decreasing and the exploitation of lowgrade deposits become necessary More powerful and larger mills higher ball charges and demanding ambient conditions call for a strong partner for grinding solutionsFurther Details
As a result ABB developed three of the largest diameter and most powerful drive systems for a SAG and two ball mills installed at the highest altitude to date The fully integrated and optimized solution for the grinding circuit consists of 1 x 28 MW GMD to power the 40 ft SAG mill 2 x 22 MW GMDs to power two 28 ft ball millsFurther Details
ABBs experience in optimizing gearless solutions for grinding applications extends over 50 years making it the market leader with the largest number of installed units worldwide In 1969 ABB commissioned the first GMD for a ball mill at Ciments LambertLafarge France The 64 MW gearless motor is still operating todayFurther Details
The mills used as an example later in this paper are ringgeared dualpinion mill applications see Figure 2 ABB was awarded the contract to equip mills of this type at 18 MW the most powerful ringgeared mills ever built The huge advantage of ABB’s solution is the variable speed aspect itFurther Details
New Human Machine Interface RMD Cockpit With the RMD plus solution operations and maintenance activities are fully optimized with the newly developed Human Machine Interface “RMDcockpit” Based on ABB’s 800xA platform the RMDcockpit is a specific mill application tool comprised of a touch screen panel allowing full access to the main parameters of the drive system as well as to theFurther Details
Improving knowledge of grinding technology and mill operations to operate optimise and troubleshoot ball mill and vertical roller mill grinding installations Ball mills and vertical roller mills are used for many grinding applications in cement production raw meal grindingFurther Details
ABB has entered into an agreement with Zijin Mining Group to install its stateoftheart ringgeared mill drives and control systems at Veliki Krivelj Copper Mine – a surface mining operation with an annual ore processing capacity of 25 Mt Veliki Krivelj located in Borski Serbia was acquired by Zijin Mining Group in 2018 as part of a deal with Serbia’s Bor Copper Mine which includedFurther Details
grinding solution before ball mills Reference 1 Rufli M van de Vijfeijken M Driving value Sophisticated ringgeared mill drives from ABB Part 1 ABB Review 12011 29–35 Inherent features The measurements shown in both articles clearly illustrate the power of ABB’s DTC technology in a flexible mill drive systemFurther Details
The Copper Mountain ball mills are 7315 mm 24 feet in diameter and 12040 mm 395 feet long They are overflow discharge ball mills with inside diameters of 7315 mm 24 feet and grinding lengths of 11887 mm 39 feet Each Ball mill is also driven by two 8500 horsepower ABB motors Figure 3 The 24’ x 395’ ball millFurther Details
USE OF THE LATEST TECHNOLOGY TO OVERCOME THE DEMANDS OF MILL OPERATION Tatiana Ravani von Ow Sales Manager Ringgeared Mill Drives Leandro Bomvisinho M Sc Sales Manager Gearless Mill Drives ABB Switzerland Ltd Center of Excellence Mining Process Segelhofstrasse 9P 5405 Baden Dättwil Switzerland Phone 41 58 586 71 21Further Details
ABB Switzerland Ltd LC Mining Aluminium and Cement Segelhofstrasse 1K COURSE DESCRIPTION CHH624 – Gearless Mill Drive Operation and Maintenance Course goal The goal of this course is to provide participants with the required practical knowledge and information on safe operation and maintenance of the gearless mill drive GMD system ThisFurther Details
A ball mill also known as pebble mill or tumbling mill is a milling machine that consists of a hallow cylinder containing balls mounted on a metallic frame such that it can be rotated along its longitudinal axis The balls which could be of different diameter occupy 30 – 50 of the mill volume and its size depends on the feed and mill sizeFurther Details
ABB is a pioneering technology leader that works closely with utility industry transportation and infrastructure customers to write the future of industrial digitalization and realize valueFurther Details
Mill in Brazil and Lumwana having a 38ft 18 MW SAG and one 26ft 16 MW Ball Mill in Zambia all three mills put in operation in 2008 as well as Los Bronces Confluencia in Chile equipped with one 40ft SAG Mill of 22 MW and two 26ft Ball Mills of 164 MW commissioned in 2011 In the light of increasing interest in that technology variousFurther Details
general the bigger the mill diameter the lower are the mill operating and critical speeds Thus for larger mills the number of poles will increase As a result the number of poles can vary from 48 to 72 poles Fig 3 with typical mill speed requirements of about 10 rpm for larger SAG mills and about 15 rpm for smaller ball mills Figure 3Further Details
Siemens has provided about 80 SIMINE Gearless mill drives to the mining industry since 1980 In these thirtyplus years SIMINE Gearless mill drives have accumulated a combined total of over 500 years in operation time – and this number is steadily growing even as you read this This is a benchmark we are immensely proud of Your benefitsFurther Details
A 60 reduction in the variation of raw mill bed depth A 24 reduction in the variation of kiln motor load A 27 reduction in free lime variation A 16 reduction in litre weight variation A 5 reduction in burning zone temperature variation A reduction in the consumption of grinding media in ball millFurther Details
Metallurgical ContentBall Mill Maintenance ManualOn Mill Installation and MaintenanceBall Mill Concrete FoundationsGrinding Mill FOUNDATIONGROUTINGBall Mill Sole Plate Am sure your Ball Mill is considered the finest possible grinding mill available As such you will find it is designed and constructed according to heavy duty specifications It is designed along sound engineering principlesFurther Details
SAG mills are the main workhorses in the majority of comminution circuits globally They need to be fed and kept working round the clock But challenges can arise when capacity is not optimised causing unnecessary downtime and liner wear leading to the one sound operators do not want to hear the sound of the mills standing stillFurther Details
Single stage SAG Mills are very beneficial in reducing CAPEX for plants with a staged throughput approach When future tonnage is to be increased the SAG Mill can feed downstream ball milling to boost capacity FullerTraylor SAGAG Mills range in size from 43m through 122m in diameter with powers as high as 28000 kWFurther Details
Feeding Size: ＜50mm
Feeding size: 480-850mm
Processing capacity: 45-500t/h
Applied material: river pebbles, rocks (limestone, granite, basalt, diabase, andesite, etc.), ore tailings.
Processing Ability:0.2–16 m³/min
Processed Materials: Non-ferrous metal minerals such as copper, lead, zinc, molybdenum, cobalt, tungsten, antimony etc.
Applications:The machine can be used to separate nonferrous metal, ferrous metal, noble metal, nonmetallic mine, chemical material and recycle mine.
Applied Materials:Limestone, granite, basalt, andesite, iron ore, quartz, diabase, iron ore, gold ore, copper ore,etc.
Technical Features:Cooling the clinker (1000-1300℃) discharged from rotary kiln to below 200℃ and improving the quality and grinding ability of the clinker.
Production Capacity: 10-30TPH
Humidity of Raw Materias: 20±3(%)
Application Area:Slag industry, building material, metallurgy industry, ore processing industry, chemical industry, cement plant.
Feeding size:≤25-≤30 mm
Application Area: industries of wood, slag, sand, construction materials, metallurgy, chemical engineering, coal, minerals, etc.
Applied Materials: sawdust, wood chips, wood shavings, clay, limestone, ardealite, dry-mixed mortar, grain slag, coal slime, etc.
Production Capacity: 0.5-50TPH
Processible Materials:slag, limestone, limestone, coal ash, coal dust, clay
Feeding Size: 65-300mm
Discharging Size: 3-60mm
Production Capacity: 12-1000TPH
Applied Materials:River gravel, iron ore, limestone, quartz, granite and other medium or hard ores and rocks.
Feeding Size:Less than 190mm
Applied Materials:Feldspar, calcite, talc, barite, fluorite, rare earth, marble, ceramics, bauxite, manganese, phosphate rock, etc.
Application Area:Building materials, chemicals, fertilizer, metallurgy, mining, refractory, ceramic, steel, thermal power, coal, etc.
Max. feeding size: 400mm
Applied Material:River gravel, limestone, granite, basalt, diabase, andesite, tailings,etc.
Application Area:Refractories, power plants, metallurgy, chemical industry, energy, transportation, heating.
Applied Materials:Coal, bentonite, clay, kaolin, coke, aluminum, iron, iron oxide skin, toner, slag, gypsum, tailings, sludge, kaolin, activated carbon, coke, powder, scrap, waste, etc.
Feeding Granularity: 120-1500mm
Production Capacity: 1-2200t/h
Applied Materials:Coal, cement, ore, calcite, cement clinker, dolomite, clay, coal, barite,etc.
Feeding Granularity: 300-700mm
Production Capacity: 30-550TPH
Application Range:Industries of mining, ore beneficiation, construction materials and chemical engineering.
Capacity:0.18-7 (m ³/min)
Suitable Materials:Limonite Ore,Copper, zinc, lead, nickel, gold and other non-ferrous metals, ferrous and non-metal.
Major Equipment:Jaw crusher, ball mill, sprial classifier, magnetic separator, concentrator machine and dryer machine
Production Capacity: 2-40TPH
Applicable Range:Suitable for separating materials with 0.3-0.02 mm particle size, such as iron ore, ilmenite, chromite, pyrite, zircon, rutile, monazite, Phosphorus, tungsten, tin, tantalum, niobium, rare metals, non-metallic minerals
Feeding Size: 3-5mm
Moisture Content: 10-15%
Density of Pellets: 1.0g/m3
Application Field:Hydropower, building material, highway, city construction, metallurgy, coal mining and so on.etc.
Applied Materials:Granite, basalt, bank gravel, bauxite, cement clinker, quartz silicon carbide,limestone, river stone, etc.