Do you need a quick estimation of a ball mill’s capacity or a simple method to estimate how much can a ball mill of a given size diameterlenght grind for tonnage a product P80 size Use these 2 tables to get you close No BWi Bond Work Index required here BUT be aware it is only a crude approximation for “most soft ores” from F80 1 cm to P80 700um Ball mill design power example
Chat OnlineVery large tonnages can be ground with these ball mills because they are very effective material handling devices Ball mills are rated by power rather than capacity Today the largest ball mill in operation is 853 m diameter and 1341 m long with a corresponding motor power of 22 MW Toromocho private communications
Get PriceAug 18 2019 · The ball mill ball ratio should be judged according to the effective length of the mill whether it is equipped with roller press feed size lining material and structure and the number of rotation speed After installing the ball mill ball mill size gears need to be meshed and the amount of processing is also gradually increasing
Get PriceSeveral types of ball mill exist They differ to an extent in their operating principle They also differ in their maximum capacity of the milling vessel ranging from 0010 litres for planetary ball mill mixer mill or vibration ball mill to several 100 litres for horizontal rolling ball mills
Get Price6 PREDICTABLE SCALE UP – Scale up from small to large mills is very predictable Ball milling is one of the few unit operations that actual improve in performance and efficiency with increasing size The ABBE Slice Mill is the same as the product mill and can replicate all mill operating parameters but with very little product
Get PriceIn 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 Often the ball used in ball mills is oversize “just in case”
Get PriceA Total Apparent Volumetric Charge Filling – including balls and excess slurry on top of the ball charge plus the interstitial voids in between the balls – expressed as a percentage of the net internal mill volume inside liners B Overflow Discharge Mills operating at low ball fillings – slurry may accumulate on top of the ball charge causing the Total Charge Filling Level to be
Get PriceLaboratory Ball Mill Laboratory Ball Mill is primarily designed for grinding pigments The material is ground at a specific speed by using a specific quantity of grinding media steel balls for a specific period The equipment is used for making the ground cement samples in the laboratory
Get PriceWith more than 100 years of experience in ball mill technology Metso’s ball mills are designed for long life and minimum maintenance They grind ores and other materials typically to 35 mesh or finer in a variety of applications both in open or closed circuits
Get PriceBall Mills Steel Ball Mills Lined Ball Mills Particle size reduction of materials in a ball mill with the presence of metallic balls or other media dates back to the late 1800’s The basic construction of a ball mill is a cylindrical container with journals at its axis
Get PriceA ball mill is one kind of grinding machine and it is a device in which media balls and solid materials the materials to be ground are placed in a container The materials are ground by moving the container Because the structure of ball mills is simple and it is easy to operate and so they are widely used
Get PriceBall mill photographed by Ron Frisard and shared on Flickr CC – Some rights is a function of mill capacity and diameter ieP M Mill Constant Mill Diameter n where n 03 the mill shaft power for wet overflow mills calculated using the above expression appeared to overestimate the actual power when Maximum ball size d max
Get PriceMetallurgical ContentTypes of Ball Mills Ball Mill GrindingExample of Plant Capacity GainsBall Mill SpecificationsCompare Type of Mill DischargeGrate Discharge Ball Mill CapacitiesGrate Discharge Ball Mill Arrangement Dimensions Allow me to compare Ball mills can be of the overflow or of the grate discharge type Overflow discharge mills are used when a product with high specific surface is
Get PriceThe maximum power draw in ball mill is when ball bed is 3540 by volume in whole empty mill volume Considering that ball bed has a porosity of 40 the actual ball volume is considered to be
Get PriceVery large tonnages can be ground with these ball mills because they are very effective material handling devices Ball mills are rated by power rather than capacity Today the largest ball mill in operation is 853 m diameter and 1341 m long with a corresponding motor power of 22 MW Toromocho private communications
Get Price1 Calculation of ball mill capacity The production capacity of the ball mill is determined by the amount of material required to be ground and it must have a certain margin when designing and selecting There are many factors affecting the production capacity of the ball mill in addition to the nature of the material grain size hardness density temperature and humidity the degree of
Get PriceFrom Fig 4 it can be seen that the processing capacity was 35302 th when the filling rate was 32 based on the bond index test simulation calculation which is 30–40 th higher than the actual processing capacity of the mill at present The low filling rate is one of the main reasons for the low capacity of the ball mill
Get Priceball mill capacity calculation Pochiraju Industries Ltd Grinding in Ball Mills Modeling and Process Control Cybernetics in modeling and control of the grinding process in industrial ball mills Basic kinetic and An important characteristic of an industrial ball mill is its production capacity which is measured in
Get PriceBall mill photographed by Ron Frisard and shared on Flickr CC – Some rights is a function of mill capacity and diameter ieP M Mill Constant Mill Diameter n where n 03 the mill shaft power for wet overflow mills calculated using the above expression appeared to overestimate the actual power when Maximum ball size d max
Get PriceBall mills can be used to further break down or refine a single material or you can place multiple materials into a ball mill jar to mix as you pulverize this is a very common industrial solution for mixing glazes that require the smallest of mesh sizes Ball mills basically function like a mortar and pestle but on a much larger scale
Get PriceBall mills are among the most variable and effective tools when it comes to size reduction of hard brittle or fibrous materials The variety of grinding modes usable volumes and available grinding tool materials make ball mills the perfect match for a vast range of applications
Get PriceTowards optimising ballmilling capacity Effect of lifter design for typical mill operating conditions of J 20 of mill volume and N 75 of critical speed as found in ball mills at Matimba power station in South This in practical sense shows how the milling efficiency and capacity are drastically affected by liner profile as the
Get Price2 MODELLING THE SPECIFIC GRINDING ENERGY AND BALLMILL SCALEUP Ballmill scale up Bond’s LawData zBond work index w i zFeed D f and product d size both 80 cumulative passing Result The specific grinding energy w Mill power draw P wT where T the mill capacity Mill dimensions from Tables or charts
Get PriceA comparison of wear rates of ball mill grinding A comparison of wear rates of ball mill grinding wear capacity ta and ball mill work index The research findings
Get PriceFeb 10 2014 · How to Calculate Vessel Capacity If this is your first visit Now to compute and arrive final average capacity there are many operational interruptions to be considered ie actual free digging capacity change of hatch position cleanup operationmaintenence in machine 3 easy steps to calculate ball mill capacity By Strommashina
Get PriceThe maximum power draw in ball mill is when ball bed is 3540 by volume in whole empty mill volume Considering that ball bed has a porosity of 40 the actual ball volume is considered to be
Get PriceBall mill also known as ball grinding machine a wellknown ore grinding machine widely used in the mining construction aggregate start the ball mill business since 1985 supply globally service includes design manufacturing installation and free operation training
Get PriceThe vertical ball mill is used for the processing of highviscous premixed pastes like chocolate compound crèmes nut and seedpaste The continuous design vertical ball mill can be used in a 1 – 3 stage refining system with 1 – 3 ball mills in a sequential row after the premixer
Get Price