Rod mill unlike the ball mill the grinding medium in the rod mill is a steel rod so the working characteristics are significantly different from those of the ball mill since the steel balls are in point contact the steel rods are in line contact when the steel rods are sandwiched between the steel rods the coarse particles are first
Apr 09 2015 ball mills ball mill fig 1 is same kind of mill as rod mill except that it is filled with balls instead of rods because of balls have greater ratio of surface area than rods they are more suitable for fine grinding balls are also lighter so the kinetic energy of a single dropping ball is smaller than a rod
Nov 23 2019 recommendation of ball mill and rod mill ball mill and rod mill are suitable for different materials 1 selection by materials hardness ball mill has a strong adaptation of material and it is suitable for grinding hard materials such as slag iron ore copper ore etc rod mill is suitable for grinding brittle material such as rare metals
Ball mills and rod mills are grinding equipment widely used in concentrators the two have similarities in shape and grinding principles but there are differences in structure performance and use this article analyzes their similarities and differences from seven aspects and tells you how to choose ball mill and rod mill
In the ball mill commonly used have the lattice ball mill and overflow ball mill named from different drainage structure and the rod mill does not use the grid plate drainore only overflow type and opening type two kinds the diameter of the hollow shaft at the drainage and end is generally larger than the same specification ball mill
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
Rodmill crusher vs ball mill crusher rod mill sand crusher machines cone crusher price copper ore crushing plant in chile rod mill rod mill rod mill is an important mineral milling machining equipment the use of wet overflow type can be used as an open circuit grinding ispe series jaw crusher for calcite crushing in uk chat online ball mill vs roller crusher eaglewingsfunctions
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
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
Rodmill crusher vs ball mill crusher rod mill sand crusher machines cone crusher price copper ore crushing plant in chile rod mill rod mill rod mill is an important mineral milling machining equipment the use of wet overflow type can be used as an open circuit grinding ispe series jaw crusher for calcite crushing in uk chat online ball mill vs roller crusher eaglewingsfunctions
Ball mills vs rod mills 911 metallurgist jul 3 2017 when the mill is rotated without feed or with very fine feed the rods are in parallel alignment and in contact with one another for their full length get price rod mills 911 metallurgist
Dec 18 2019 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
Difference between ball mill rod mill difference between sag mill vs ball mill mech4study 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 cut live chat
Ball mills vs rod mills 1 shape and structure the ratio of cylinder length to diameter of rod mill is generally 1520 and the inner surface of liner plate on end cover is vertical plane in most cases the ratio of the length to the diameter of the ball mill is only slightly greater than 1
Ball mill vs vertical roller mill the sequence to evaluate the vertical roller mills consisted of a laboratory jaw crusher a rod mill and two ball mill stages with differing grinding media the dimensions and settings of the laboratory mills are given in table 1 and are illustrated in de
Rod mills have an industrial yield that is less than that of a ball mill which explains the fact that balls have a much larger grinding surface than rods the power needed to operate a rod mill could exceed 30 of the power used in a ball mill when they are worn rods must not stretch but break in rather small pieces so that they can exit
Comparison between rod mill and ball mill 20140103 rod mill is a type of grinding mill whose grinding media is steel bar while ball mill is steel ball 1 rod mill are usually applied to grinding the wsn ore and rare metal in the reselection or magneticoredressing plant in order to avoid the damage caused by the over crushing
The product size distribution is narrower than a ball mill but significantly coarser most are overflow discharge type lengthtodiameter 14 to 23 mill length 7 meters rod millball mill circuits diagrams of mill circuits image 13582
Ball mills vs rod mills 911 metallurgist jul 3 2017 when the mill is rotated without feed or with very fine feed the rods are in parallel alignment and in contact with one another for their full length get price rod mills 911 metallurgist
Ball vs rod vs roll mills jun 11 2019 the ball and rod mills are similar in appearence as a large rotating lined cylindrical tube filled with either metal balls or long rods used as the grinding medium in some cases they can be used interchangable but not with a mix of balls and rods
Apr 09 2015 ball mills ball mill fig 1 is same kind of mill as rod mill except that it is filled with balls instead of rods because of balls have greater ratio of surface area than rods they are more suitable for fine grinding balls are also lighter so the kinetic energy of a single dropping ball is smaller than a rod
From the volume the ball mill divide into industrial ball mill and laboratory use the small ball mill sample grinding test in addition these mills also play an important role in cold welding alloy production and thermal power plant power production sag mill vs ball mill crushing ratio
Rod mills operate at lower speed than ball mills since the rods are rolled and not cascaded for an equivalent grind a rod mill uses less steel than a ball mill because of the lower speed and better contact between the media and ore the rod charge must be maintained in good working condition and broken and worn rods must be removed