rod mill power vs ball mill

Ball Mills vs Rod Mills 911 Metallurgist

Jul 03, 2017· The average particle is subjected to an action similar to many sets of rolls in series, before it is discharged Because of this, the rod mill can effectively reduce 1″ feed size to 10 mesh or finer in open circuit The voids (or interstitial space) within a rod load are approximately half those in a ball millDec 30, 2019· The power consumption of the ball mill is slightly higher than that of the rod mill, and the wear rate is also higher than that of the rod mill The daily maintenance requires constant addition of a certain amount of steel balls, while the rod mill only needs toBall Mill vs Rod Mill | How To Choose

What are the differences between ball

Mar 08, 2021· 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 metalsThe rod mill and the ball mill belong to the mineral processing equipment They are similar in appearance and grinding principle, but there are differences in structure, performance and application This paper summarizes the three aspects of the bWhat is the difference between the ball mill and rod mill

Ball Mill Design/Power Calculation 911 Metallurgist

Jun 19, 2015· The basic parameters used in ball mill design (power calculations), rod mill or any tumbling mill sizing are; material to be ground, characteristics, Bond Work Index, bulk density, specific density, desired mill tonnage capacity DTPH, operating % solids or pulp density, feed size as F80 and maximum ‘chunk size’, product size as P80 and maximum and finally the type of circuit open/closedOct 19, 2015· 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 millRod Mill Design & Power Draw 911

Grinding Mill Power 911 Metallurgist

May 08, 2017· Power Required to Drive a Rod Mill The power required to drive a rod mill does not appear in have been extensively studied As a first approximation, it would be expected that the value of the function ∅10(σ/q) would be different to that for a ball mill but that the values of the remaining functions would not be seriously alteredThe rod mill and the ball mill belong to the mineral processing equipment They are similar in appearance and grinding principle, but there are differences in structure, performance and application This paper summarizes the three aspects of the bWhat is the difference between the ball mill and rod mill

Tubular Rod Mills ScienceDirect

Jan 01, 2016· Rod Mill Power Draft As in ball mills, the power draft of a rod mill is the product of capacity and work index, which is the energy required to break a mineral of a given size to the required size The mill power is also increased by increasing the rod charge and the mill speed, while the mill power and capacity are both increased withJun 19, 2015· The basic parameters used in ball mill design (power calculations), rod mill or any tumbling mill sizing are; material to be ground, characteristics, Bond Work Index, bulk density, specific density, desired mill tonnage capacity DTPH, operating % solids or pulp density, feed size as F80 and maximum ‘chunk size’, product size as P80 and maximum and finally the type of circuit open/closedBall Mill Design/Power Calculation 911 Metallurgist

Ball Mill Design/Power Calculation LinkedIn

Dec 12, 2016· The basic parameters used in ball mill design (power calculations), rod mill or any tumbling mill sizing are; material to be ground, characteristics, Bond Work Index, bulk density, specificOct 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 placeDifference Between Sag Mill vs Ball Mill mech4study

What’s the Difference Between Ball Mill, Rod Mill and SAG

Mar 20, 2020· Ball mill: When the particle size of the product is less than 05mm, the grinding effect of the ball mill is greater than that of a rod mill of the same specification SAG mill: The SAG mill has a wide range of feeding particle sizes and can process larger minerals, but at the same time, its output particle size is relatively largerNov 19, 2019· Both the ball mill and the rod mill are designed for grinding materials, but the same as the role of grinding materials and cylinder shape, what's the difference between ball mills and rod mills? Next, we will introduce the intrinsic properties and construction of the ball mill and the rod millWhat's the Difference Between Ball Mills and Rod Mills

Grinding Mills and Their Types – IspatGuru

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 rodF 80 is the mill circuit feed size in micrometers 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 mineralsMill (grinding) Wikipedia

7 Differences Between Ball Mill and Rod Mill Xinhai

Nov 29, 2018· In addition, the cylinder speed of the rod mill is lower than that of the ball mill, so the grinding medium works in the cascading state 2 Discharging way of ball mill and rod mill The ball mill is commonly divided into grid type ball mill and overflow type ball mill (named by the different discharging structure)Jan 01, 2016· In recent times, these mills have successfully replaced the conventional rod mill–ball mill configurations In Australia, the number of AG/SAG mills increased from about six in 1984 to more than 40 in the following 5year period The number of installations worldwide by mid 1989 was about 471, and presently the number is growingAutogenous and SemiAutogenous Mills ScienceDirect

Ball Mill VS Rod Mill

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 millApr 07, 2016· 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 Tags:Ball Mill VS Rod Mill From:Xinhai Mining Machinery Company Related articles 7 Differences Between Ball Mill and Rod Mill;Ball Mill VS Rod Mill Xinhai

Ball Mill an overview | ScienceDirect Topics

Ball mills are rated by power rather than capacity Power (W/g/ball or rod) <0001: 0005–024: 0–1604: 0–01: In fact, choosing the right ball mill depends on the objectives of the process and the sort of materials (hard, brittle, ductile, etc) that will be subjecting to the ballmilling process For example, the characteristicsThe rod mill and the ball mill belong to the mineral processing equipment They are similar in appearance and grinding principle, but there are differences in structure, performance and application This paper summarizes the three aspects of the bWhat is the difference between the ball mill and rod mill

Ball Mill VS Rod Mill

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 millMar 20, 2020· Ball mill: When the particle size of the product is less than 05mm, the grinding effect of the ball mill is greater than that of a rod mill of the same specification SAG mill: The SAG mill has a wide range of feeding particle sizes and can process larger minerals, but at the same time, its output particle size is relatively largerWhat’s the Difference Between Ball Mill, Rod Mill and SAG

rod mill vs ball mill | Mining & Quarry Plant

Mar 20, 2013· Search rod mill power vs ball mill to find your need kefid Mining and Construction Machinery is a global manufacturer and supplier, We supply full crushing and Rod mills, how they function – Mine providesApr 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 rodGrinding Mills and Their Types – IspatGuru

Ball Mill an overview | ScienceDirect Topics

Ball mills are rated by power rather than capacity Power (W/g/ball or rod) <0001: 0005–024: 0–1604: 0–01: In fact, choosing the right ball mill depends on the objectives of the process and the sort of materials (hard, brittle, ductile, etc) that will be subjecting to the ballmilling process For example, the characteristicsmill is the energy consumption The power supplied to the mill is used primarily to lift the load (medium and charge) Additional power is required to keep the mill rotating 813 Power drawn by ball, semiautogenous and autogenous mills A simplified picture of the mill load is shown in Figure 83 Ad this can be used to establish the essentialTECHNICAL NOTES 8 GRINDING R P King

Tubular Rod Mills ScienceDirect

Jan 01, 2016· Rod Mill Power Draft As in ball mills, the power draft of a rod mill is the product of capacity and work index, which is the energy required to break a mineral of a given size to the required size The mill power is also increased by increasing the rod charge and the mill speed, while the mill power and capacity are both increased withBond Rod Mill Grindability Test The test determines the Bond Rod Mill Work Index which is used with Bond’s Third Theory of Comminution to calculate net power requirements when sizing ball mills* Various correction factors may have to be applied The test is a closedcircuit dry grindability test performed in a standard rod millBond Tests | SGS

Autogenous and SemiAutogenous Mills ScienceDirect

Jan 01, 2016· In recent times, these mills have successfully replaced the conventional rod mill–ball mill configurations In Australia, the number of AG/SAG mills increased from about six in 1984 to more than 40 in the following 5year period The number of installations worldwide by mid 1989 was about 471, and presently the number is growingRod mill , as the name suggests, is to rely on rod bars for the material grinding,and wet overflow is a generally used material wayRod mill is generally used as a grinding equipment in the artificial stone sand, concentrator, chemical plants and power sectors The ball mill has a great similarity in appearance with rod mill,which is mostthe Difference of Rod Mill and Ball Mill

Application of Operating Work Indices in Autogenous

Ball Mill Wio, BWio 86 Circuit Wio, OWio 146 Bond Ball Mill Work Index, BWi, kWh/t 134 Bond Rod Mill Work Index, RWi, kWh/t 181 Table 1 Example of AG/SAG Ball Mill Circuit Wio Calculations [1] [2] ABstrAct Optimum use of power in grinding, both in terms of grinding efficiency and use of installed capital, can have a large effect onMill circuits process variables; Mill capacity vs Mill efficiency/recovery; Suggested Text Wills’ Mineral Processing Technology, 8 th edition BA Wills, James Finch PhD, ButterworthHeinemann publisher, 2015 Bibliography DACUM Research Chart for Mill Operator Produced for Teck Alaska Inc Red Dog Mine – June 2015 Prepared by John P HakalaAMIT 135: Introduction to Mining Systems and Equipment

Rod Mills for coarse grinding |

Installed power up to 1800 KW (2,500 HP) Most discharge via trunnionoverflow; Volumetric loading is similar to that of a ball mill (3035%) Design standards for drive components are more demanding than ball mills; Dry applications feature a peripheral discharge or an airswept arrangement

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