Ball Mills vs Rod Mills. 1. Shape and Structure. The ratio of cylinder length to diameter of rod mill is generally 1.5-2.0, 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. The power consumption of the ball mill is
Recommendation of ball mill and rod mill Ball mill and rod mill are suitable for different materials 1. Selection by material's 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 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.
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. New feed entering at one end of the mill causes the rod charge to spread at that end. This produces a series of wedge shaped slots tapering toward the discharge end. The tumbling and rolling rods expend most of their crushing force on the
When the rod mill speed is lower than the working speed of the same size ball mill, the medium in the rod mill is in a sloping working state. For the ball mill, depending on the specific requirements, you can choose the overflow type and grate type of discharge method.
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.
Jun 11, 2019· In the order you have listed; a ball mill can fine grind down to <400 mesh if needed, a rod mill will efficiently grind to 150/200 mesh range, and a roll mill can do a +/- 100 mesh. 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.
When the rod mill speed is lower than the working speed of the same size ball mill, the medium in the rod mill is in a sloping working state. For the ball mill, depending on the specific requirements, you can choose the overflow type and grate type of discharge method.
Jan 29, 2013· Watch the working of laboratory ball mill 5 kg, designed and manufactured by Bionics Scientific Technologies (P) Ltd.
Thus, the throwing motion of ball can produce a large impact, but it need a high rotate speed and has a higher power consumption. But for rod mill, grinding effect is better which need a lower rotate speed and has a lower power consumption. Xinhai produce all kind of ball mill and rod mill with high quality, you would interested in them.
Ball Mill VS Rod Mill. Ball milland rod mill are used widely in plant and are compared by us. This text will analyze the two equipment in some aspect. The grinding theory. Though used different medium (steel ball and steel rod are contained in ball mill and rod mill), the working theory of ball mill and rod mill
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 the mill. The energy consumed by rod mills could be from 10 to 30% higher than the energy consumed by bar mills and this is for comparable performance.
Jun 11, 2019· In the order you have listed; a ball mill can fine grind down to <400 mesh if needed, a rod mill will efficiently grind to 150/200 mesh range, and a roll mill can do a +/- 100 mesh. 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.
Ball Mill VS Rod Mill. Ball milland rod mill are used widely in plant and are compared by us. This text will analyze the two equipment in some aspect. The grinding theory. Though used different medium (steel ball and steel rod are contained in ball mill and rod mill), the working theory of ball mill and rod mill
Rod Mill Design & Power Draw Mineral . For rod, ball, or pebble mills the peak is usually near Vp = .50, while actual observations as low as V= .42 have bean made in some ball mills (Rowland, 1973). See Figure 2. Power draw is not significantly affected by the presence of the slurry in the mill.
1. Equipment Construction of Ball Mill and Rod Mill. On the surface, many people are difficult to distinguish ball mill and rod mill, but in fact, these two mills have differences in the proportion of the cylinder shape. Typically, the barrel length to diameter ratio of the rod mill is maintained between 1.5 ~2.0, and the inner surface of the
Sep 09, 2019· 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.
When the rod mill speed is lower than the working speed of the same size ball mill, the medium in the rod mill is in a sloping working state. For the ball mill, depending on the specific requirements, you can choose the overflow type and grate type of discharge method.
mining equipment for sale in tanzania 1. Grinding Ball Mills for sale, Rod Mills, Pebble Mills, SAG . . coal mill supplier in india for thermal power coal grinder for thermal power plant turkey obme . Contact US Maize Milling Plant Zambia, Tanzania Maize Mill Plant. China Maize Milling Plant Zambia, Tanzania Maize Mill Plant, Find details about
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
Dec 23, 2013· Rod mill is similar to ball mills but it uses long rods for grinding media. Autogenous mill is a self-grinding mill which is used in breakage of larger rocks. SAG (Semi-Autogenous Grinding) mill is an autogenous mill which uses grinding balls, it is similar to ball mill
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 1.4 to 1.6.
Comminution costs include power, grinding media and maintenance materials. rod and ball mill, e.g. Renison Bell Tin Mine. • three stage crush, two stage ball mill, e.g. Marvel Loch Gold Mine. • Single stage crush/single stage SAG mills and two stage crush/ball mill circuits are typically selected for low throughput plants (<50 t/h
(1) Rod mill is usually selected in order to prevent over grinding in gravity or magnetic separation plant of tungsten tin and other rare metals mine; (2) In two stages grinding, the capacity of rod mill machine used in the first stage grinding is larger than ball mill’s; (3) In some cases, rod mill
Jan 01, 2016· The relation between mill load and relative mill power follows the same pattern as the mill load–mill power relation, as shown in Figure 9.9. Figure 9.11 illustrates this relationship for 6 and 12% ball loads, taking 2.8 as the S.G. of the ore and 8.0 t/m 3 as the density of the balls.
Ball Mills vs Rod Mills - AM King Industries, Inc. Know the subtle but important differences between ball mills and rod mills when selecting used grinding equipment Read more difference between ball mill tube mill crusher export
Rod mills, ball mills, autogenous mills, and semi-autogenous mills (SAG Mills) all have a number of lubricating and hydraulic systems, and they must work to keep mineral output high. The mill systems oil is subject to extreme levels of very fine particles, and many operators believe the plant should be shut down periodically to change the oil.
1. Equipment Construction of Ball Mill and Rod Mill. On the surface, many people are difficult to distinguish ball mill and rod mill, but in fact, these two mills have differences in the proportion of the cylinder shape. Typically, the barrel length to diameter ratio of the rod mill is maintained between 1.5 ~2.0, and the inner surface of the
Rod Mill Design & Power Draw Mineral . For rod, ball, or pebble mills the peak is usually near Vp = .50, while actual observations as low as V= .42 have bean made in some ball mills (Rowland, 1973). See Figure 2. Power draw is not significantly affected by the presence of the slurry in the mill.
Sep 09, 2019· 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 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 the mill. The energy consumed by rod mills could be from 10 to 30% higher than the energy consumed by bar mills and this is for comparable performance.
Ball Mills vs Rod Mills - AM King Industries, Inc. Know the subtle but important differences between ball mills and rod mills when selecting used grinding equipment Read more difference between ball mill tube mill crusher export
mining equipment for sale in tanzania 1. Grinding Ball Mills for sale, Rod Mills, Pebble Mills, SAG . . coal mill supplier in india for thermal power coal grinder for thermal power plant turkey obme . Contact US Maize Milling Plant Zambia, Tanzania Maize Mill Plant. China Maize Milling Plant Zambia, Tanzania Maize Mill Plant, Find details about
Milling Equipment: rod mill power vs ball mill A class of machinery and equipment that can be used to meet the production requirements of coarse grinding, fine grinding and super fine grinding in the field of industrial grinding.The finished product can be controlled freely from 0 to 3000 mesh.
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.
Dec 23, 2013· Rod mill is similar to ball mills but it uses long rods for grinding media. Autogenous mill is a self-grinding mill which is used in breakage of larger rocks. SAG (Semi-Autogenous Grinding) mill is an autogenous mill which uses grinding balls, it is similar to ball mill
Gates, J.D, Giblett, A, Dunne, R. (2012) Prediction of plant ball mill media wear rates from laboratory ball mill test data, Comminution '12, Minerals Engineering. Wear of grinding media in the
Inventory ID: 6C-HM01. 3 Units UNUSED FLSMIDTH 26’ x 43' Dual Pinion Ball Mill with 2 ABB 9,000 kW (12,069 HP) Motors w/ ABB VFD for Total Power of 18,000 kW (24,138 HP)
Rod Mill Power Vs Ball Mill. Nov 23 2019 183 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
Jan 01, 2016· The relation between mill load and relative mill power follows the same pattern as the mill load–mill power relation, as shown in Figure 9.9. Figure 9.11 illustrates this relationship for 6 and 12% ball loads, taking 2.8 as the S.G. of the ore and 8.0 t/m 3 as the density of the balls.
A VSI mill throws rock or ore particles against a wear plate by slinging them from a spinning center that rotates on a vertical shaft. This type of mill uses the same principle as a VSI crusher.. Tower mill. Tower mills, often called vertical mills, stirred mills or regrind mills, are a more efficient means of grinding material at smaller particle sizes, and can be used after ball mills in a