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Rod mills are very similar to ball mills except they use long rods for grinding media the rods grind the ore by tumbling within the the mill similar to the grinding balls in a ball mill to prevent the conditions leading to rod charge tangling the length to diameter ratio is maintained at 14 to 16
The overall design of ball mills and rod mills are compact with simple operation and easy maintenance but the both are different in performance and applications in this article the similarities and differences between ball mills and rod mills are analyzed from 9 aspects and suggest how to choose ball mill or rod mill
The type of mill that is used for grinding ore in a modern concentrator is the wet tumbling mill these mills may be divided into three types rod mills ball mills and autogenous mills in the first type the rod mill the ore is introduced into the mill
The difference between ball mill and rod mill 1 shape and structure the ratio of tube length to diameter of the rod mill is generally 1520 and the inner surface of the lining plate on the end cover is vertical plane the ratio of cylinder length to diameter of ball mill is small and in most cases the ratio is only slightly greater than 1
If the raw material stoic in operation is tungsten tin ore the rod mill is a better choice and if the material that needs to be ground is aluminum ash lime slag tantalum ore etc the ball mill has a stronger processing power according to the grain size of the finished product selection
Ball mill 01 ball mill 02 and vertical mill figure 5 net specific energy consumption of regrinding circuit nevertheless its impossible to guarantee industrially that all the mills are fed by the exactly same material especially considering that the high density of iron ore
Ball mill and rod mill are the common grinding equipment widely used in the mineral processing plant they are similar in shape and grinding principle but also different in structure performance and application here are seven differences between ball mill and rod mill to tell you how to choose the ball mill and rod mill
The median bond ball mill work index and bond rod mill work index will be similar for most projects thought significant variation can manifest for any one particular sample relation of bond ball mill work index and crushing work index rarely is there a relationship between the bond ball mill work index and the bond crushing impact work index
Whats the difference between ball mill rod mill and sag mill there are several classification methods for grinding machines among them the more commonly used one is to divide them according to different grinding media whose media is metal balls is called the ball mill steel rods the rod mill and the ore itself the autogenous mill ag mill
Apr 02 2012 ball mills and rod mills are both excellent mining machines for grinding ores into fine powders and particles however many customers are confused when they choosing equipments for grinding due to their similar appearance this paragraph is a brief explanation to the difference of ball mill and rod mill below
Rod mills are used in an open circuit between crushing and the ball mill they often operate in wet and where the pulp contains up to 50 solid by mass this machine is equally very applicable to dry where it could take a feed that has achieved 6 moisture as such when the product is sticky rod mills are preferred over ball mills
At present the most widely used grinding equipment in the dressing plant is ball mill and rod mill as far as the working principle is concerned both ball mill and rod millare the same the grinding medium steel ball or steel rod installed in
1 according to raw material processing options in the operation if the raw material that the user needs to process is tungsten tin ore the rod mill is a better choice and if the material to be grounded by the user is aluminum ash lime slag molybdenum ore etc the ball mill has a stronger processing
Oct 12 2017 today we will learn about difference between sag mill vs ball mill a mill is a machine by which solid or hard materials are broken into smaller pieces by means of grinding crushing or cutting this commutation is an essential part of many processes various kinds of mills are there with which different material processing takes place
Energy required which in this case was to grind the ore represented by the samples from a feed size f80 of 152 mm to 80 passing 17 mm and a simple adjustment procedure in case the sag product size needed to be adjusted bond rod and ball mill work indices are readily converted to pinion energy for rod and ball mills but not for sag mills
Grinding in steel rod and ball mills is a common practice in minerals processing difference in pulp potentials between the dry and wet ground feed was read more mpi maize processing innovators maizepi quick germ fiber qq dry
The ball mill has a great similarity in appearance with rod millwhich is most widely used in the cement and fertilizer production different from rod millball mill is also used as dry type grinding mill which is the main difference of the ball mill and rod mill because of its different grinding media
Mill grindingwikipedia rod mill a rotating drum causes friction and attrition between steel rods and ore particles citation needed but note that the term rod mill is also used as a synonym for a slitting mill which makes rods of iron or other metal rod mills are less common than ball mills for grinding minerals
A comparison of wear rates of ball mill grinding a comparison of wear rates of ball mill grinding and efficiency of design solutions within the entire system of ore
Difference between ball mill and rod mill ore processing
The mill product can either be finished size ready for processing or an intermediate size ready for final grinding in a rod mill ball mill or pebble mill agsag mills can accomplish the same size reduction work as two or three stages of crushing and screening a rod mill and some or all of the work of a ball mill
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