Used rodmills for sale grinding mills crushersused rodmills for sale grinding mills crushersInventory id 6c282 3 units nordberg 15 x 20 457m x 61m rod ball mills with 2500 hp motor, ball mills against rod mills
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The working principle of ball mill and rod it has high toughness good manufacturability they are often reselected or magnetic separated by rod ball mill has strong adaptability to materials and is suitable for grinding hard materials such as aluminum ash lime slag molybdenum ore mill adopts high carbon steel rod with
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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 both ball and rod mills can be operated either wet or dry and in a batch or a continuiously mode
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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
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Difference between rod mill and ball mill essay 376 words nbsp 0183 32 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 rod mills accept feed up
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Rod mills are more like ball mills that works to pulverize hard materials into smaller pieces the only difference is that with rod mills long rods are employed to grind hard materials rod mills pulverize materials by grinding with other materials inside the mill just like how ball mills grind against the materials fed into the machine in order to prevent rod charge tangling incidents the
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Difference between rod mill and ball mill fodamon machinery the mill can be divided into ball mill and rod mill according to different purposes fodamon engineers share the differences between ball mill and rod mill as follows 1 appearance and structure the shape ratio of the barrels of the two mills
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Ball mills with a drum length to diameter ratio greater than 15 are referred to as tube mills ball mills may be primary or secondary grinders primary grinders are fed from crushers such as a jaw crusher secondary grinders are fed from other grinders eg a rod mill ball mills are usually either of the grate diaphragm or overflow type
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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
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Sepors 16 x 32 continuous ball or rod mill is ideal for pilot plant studies of ore grinding and processing or just regular small scale grinding requirements you may have the mill can be used in a closed circuit with a spiral classifier screen or cyclones or as a single pass grinding mill
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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
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Figure 82 media motion in the tumbling mill 81 grinding 811 grinding action industrial grinding machines used in the mineral processing industries are mostly of the tumbling mill type these mills exist in a variety of types rod ball pebble autogenous and semiautogenous the grinding action is induced by relative motion between the
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A rod mill uses steel rods as the grinding media in tumbling mills is an efficient means to feed ball mills a product finer than could be made in a crusher but coarser than could be made in a ball mill the principal use for rod mills which were invented to make ball mill feed in a wetgrinding rod millball mill circuit rod mills came into use in the united states beginning in 1900s and
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The rod mill adopts overflow type and open type discharge does not use grate type discharge the diameter of the rod mill discharge end is larger than that of the same size 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
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Jeanpaul duroudier in size reduction of divided solids 2016 374 performance 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
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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 both ball and rod mills can be operated either wet or dry and in a batch or a continuiously mode
read more
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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 the calling name of ball mill and rod mill comes from the different grinding medium
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Recommendation of ball mill and rod mill ball mill and rod mill are suitable for different materials 1 the daily maintenance requires constant addition of a certain amount of steel balls while the rod mill only needs to be inspected and replaced in a period of product of the rod mill is rough but the particle size is uniform coarse particles and slime are less the over
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Sepors batch ball and rod mills are designed to give size reduction of laboratory quantities of minerals and ores feed size should generally be 18 for ball mill and 12 for rod mill they are of a sturdy rugged design to handle frequent use with hard materials the batch ball and rod mills require a drive roll to rotate the mills
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Ball mills with a drum length to diameter ratio greater than 15 are referred to as tube mills ball mills may be primary or secondary grinders primary grinders are fed from crushers such as a jaw crusher secondary grinders are fed from other grinders eg a rod mill ball mills are usually either of the grate diaphragm or overflow type
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Unlike rod or ball mills hpgrs reduce particles by compressing and crushing the feed between two counter rotating parallel rollers with a small gap between them this forces the rocks against each other there are no rods or balls that need replacing and it reduces energy consumption by about 40 for certain ore types breneman said
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Ball mills pebble mills material processing mills for more than a century patterson has been the industry leading manufacturer of wet and dry grinding mills for size reduction or dispersal pattersons ball pebble and rod mills are built to last we are still filling parts requests for mills sold over 60 years ago patterson mills are available in a wide variety of standard sizes and
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Sepro tire drive grinding mills are a reliable solution for small and medium capacity grinding applications and are suitable for ball rod and pebble charges sepro grinding mills come complete with a variable frequency drive vfd package which allows you to fine tune the operation of the grinding mill based on the charge and mining application no auxiliary drive is required to perform
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Inventory id 6c282 3 units nordberg 15 x 20 457m x 61m rod ball mills with 2500 hp motor
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Our rod mills are available in multiple diameters to fit the needs of your operation grinding primarily by attrition rod mills require comparatively low levels of power to operate rod mills can be either wet or dry designs once replaced by ag and sag mills rod mills have had
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Ball mills vary greatly in size from large industrial ball mills measuring more than 25 ft in diameter to small mills used for sample preparation in laboratories rod mills are similar to ball mills and use metal rods as the grinding media pebble mills use rock pebbles as the grinding media to cause friction and attrition between the pebbles
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Mills and mill liners ball mills or rod mills crushers equipment international limited can supply new ball mills or rod mills to specific request from 4 1 metre diameter to 18 55 metre diameter these can be overflow or grate discharge supplied with the following liners manganese steel
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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
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Ball end mills end mills grainger industrial supply ball end mills have a rounded nose and create a round bottomed groove in milling tasks also known as ball nose end mills they are rotated against a workpiece to make round bottomed slots and pockets or mill complex shapes without sharp corners each end mill has flutes on its cutting head that carry chips away from the workpiece to prevent
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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 the calling name of ball mill and rod mill comes from the different grinding medium
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Grinding mills westpros heavy duty grinding mills are designed for durability and excellent grinding performance in mining applications 6ft diameter x10ft ball and rod mills at the westpro shop advantages sizes up to 49m 16tf diameter and 4500hp 3356kw available with rubber steel or ceramic liners applications size reduction of
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Use them to mill soft hard brittle and fibrous materials either in a wet or dry state with slightly larger barrel volumes than the essa ball mill series rod mills are ideal for larger and more coarse materials rod charges and an acoustic safety enclosure for the rotating barrel are supplied as standard
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Ball mills distinguish gehirnjogging ruhr how to distinguish the rod mill and ball mill rod mill is roughly as same as the ball mill but there are three distinct differences 1 the rod mill normally uses the steel rod of 50100mm as the medium and the ball mill uses steel ball as the medium the length of steel rod is 25 to 50mm shorter than the barrel body the load of rod quantity
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Difference between rod mill and ball mill fodamon machinery the mill can be divided into ball mill and rod mill according to different purposes fodamon engineers share the differences between ball mill and rod mill as follows 1 appearance and structure the shape ratio of the barrels of the two mills
read more
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Apr 24 2020 ball mill and rod mill is a tool used in modern mineral processing coal chemical industry sand making and other industries to grind ore into powder and then used in smelting industry to smelt gold steel etc coal chemical industry coal water slurry is gasified to make chemical raw materials and sand making is used for glass or building sand there are still many uses but do you know
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Ball mill is the key equipment for grinding materials those grinding mills are widely used in the mining process and it has a wide range of usage in grinding mineral or material into fine powder such as gold ironzinc ore copper etc jxsc mining produce reliable effective ball mill for long life and minimum maintenance incorporate many of the qualities which have made us being
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Rodball mills our rodball mill is supplied with 1hp motor and the option for a variable speed controller from 1 to 100rpm however different speeds can be achieved upon customers request and needs the machine comes fully enclosed with sound dampening material for quietness and comfort the structure is of steel fabrication with sheet
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Comminution circuits know more are operating at design throughput of close to 140000 tpd and within the range predictions of mill throughput from a porphyry copper open pit based on millball mill circuit consisting of one 40 ft dia x 22 ft egl sag mill rated at 24 mw predicted for halfhq and tested for pq samples rod milling and ball milling
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Introduction the rod mill is loaded with the grinding media of steel bars it consists of five parts including cylinder shell feeding system discharge system main bearing and transmission system it is available for both of the dry grinding and wet grinding fashion as the customers needs
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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 millto prevent the conditions leading to rod charge tangling the length to diameter ratio is maintained at 14 to 16
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Every mining operation has a unique grinding process variable needs require versatile grinding equipment metso offers flexible autogenous ag mills semiautogenous sag mills ball and pebble mills as well as stirred mills to fit your needs
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A ball mill is an effective means of dispersing solid materials in solids or liquids 8 9 ball mills have several advantages which include versatility low cost of labor and maintenance the possibility of unsupervised running no loss of volatiles and a clean process the disadvantages are related to discharging viscous and thixotropic
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Rod mills for wet and dry grinding applications cemtec provides grinding solutions with rod mills for wet and dry grinding applications these mills are available with either a slide slide shoe or spherical rol ler bea ri ng as well as with either gear rimpinion direct or central drive they can have a
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