Figure 3 End Peripheral Discharge Mill Overflow Rod Mill This is most widely used rod mill in the mining industry in which one t feed is introduced through and discharge from other This is only used for wet grinding A flow gradient is provided by making the overflow Trunion diameter 1020 cm larger than that of feed opening Figure 4
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The mill may be operated either as a peripheral discharge or a combination or peripheral and trunnion discharge unit depending on the desired operating conditions If at any time the peripheral discharge is undesirable plugs inserted into the bushings will convert the mill to a trunnion discharge type mill Load Capacity of Trunnion Bearings
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Rod mills are usually operated in open circuit Most rod mill applications involve wet grinding where materials are reduced in size from crusher product size to a size suitable for ball mill feed To avoid breakage or tangling of rods the L/D ratio of rod mills is kept within the limits of 1.4 1 to 1.6 1 Reduction ratio of ROD Mill
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Rod Mills for coarse grinding fitted with trunnion end peripheral or central peripheral discharge Ball Mills for fine grinding fitted with trunnion or diaphragm discharge Pebble Mills can be supplied where steel balls cannot be used to avoid iron contamination and discolouration of the product Mills can be divided into compartments with
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MILL LINING QUESTIONNAIRE tegaindustries Company Date Operation Contact Phone Email MILL DATA Mill Manufacturer Type of Mill AG/SAG/Ball Mill Duty 1o/2o/3o/Regrind Mill Diameter M Mill Length M Diameter of Feed End Trunnion Diameter of Discharge end Trunnion Head Inclination degrees
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Power input to the rod mill is established at 30 kilowatt hours per ton of residues ground with continuous feed of water and residues to the mill and continuous discharge of pulp The mill discharge is alternately passed to each of two parallel flow turbulators Rising current velocity in each turbulator averages 17 to 20 feet per minute.
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Trunnion Discharge Rod MillCLJ automation A trunnion overflow mill has an open discharge end Material flows through the trunnion as a result of the pulp gradient between the feed and discharge openings A reverse helix in the discharge trunnion liner retains balls in the mill.Testing of the material Three types of tests are available for
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discharge rod mill for a new plant then under construction and termed it an innovation In October 1947 the same magazine published two articles devoted almost entirely to the first center discharge rod mill used for manufacturing sand The latest Rock Products article appeared in July 1949 and described an 8
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Peripheral and trunnion discharge For cylindrical mills which are continuously fed the discharge of the final product can be either through the periphery of the mill peripheral discharge or through the far end of the mill trunnion discharge In this section we will now look in more detail at the mill types mentioned above.
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3.2 13 M Ball Mill Quotes How Much 3.2 13 m ball mill depend grinding media is balls or steel forging can be divided into ball mill and rod mill unloading methods are two kinds of discharge centers and central discharge wherein the central discharge can be divided into grid ball mill and overflow ball mill by way of support there may be divided into the spindle bearing and
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Rod Mill741 Кб The rod mill product was further ground in ball mills before separation of valuable minerals from the host rock.Discharge Arrangements Trunnion Discharge Chute or Spout Feeder End Peripheral Discharge Center Peripheral Discharge Drum Feeder Bearings Trunnions and trunnion
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End peripheral discharge rod mills are used most frequently for dry grinding operations Grinding damp materials to moderately coarse products in open circuit is feasible by using hot air inert gas or combustion gases to air sweep the rod mill A recentnew application for the end peripheral discharge rod mills has been the preparation of
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The discharge trunnion liner is cast of Meehanite metal and has a wide mouthed bell to conduct the mill product away f rom the mill with no back drip The feed end trunnion liner
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The End Peripheral Discharge Rod Mill is designed to produce a minimum amount of fines when grinding either wet or dry Material to be ground enters through a standard trunnion and is discharged through port openings equally spaced around the mill periphery These ports are in a separate ring placed between the shell and the discharge
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Mills with free discharge of ground product through a hollow trunnion Mills with discharge along the length of the drum through a cylindrical sieve Mills with an external separation system in which a prepared product is separated from the undermilled powder in separators outside the mill drum.
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Rod mills normally carry 35 to 65 rod charge by volume The limits on charge level are 1 keeping the feed end trunnion open so that feed will get into the mill and 2 keeping the rod charge low so rods will not work their way into discharge openings where they can cause rod
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Trunnion linings Durability for the mill feed and discharge ends Trunnion liners are custom made to protect your mill trunnions from internal wear Fit is critical and our trunnion liners can be made to almost any size or shape Our trunnion liners are grouped into three categories one piece replaceable sleeve and bolted wear elements.
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Ball/Rod Mills To play press and hold the enter key To stop release the enter key We can supply the following wear parts for Ball/Rod Mills Liners Feed Discharge End Liners Trunnions Trunnion Liners.
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Peripheral and trunnion discharge For cylindrical mills which are continuously fed the discharge of the final product can be either through the periphery of the mill peripheral discharge or through the far end of the mill trunnion discharge In this section we will now look in more detail at the mill types mentioned above Tumbling Mills
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combines high quality mill linings with service capital equipment expertise and process know how to offer our customers sustainable results reduced operating costs and lower maintenance expenses All parts in the mill Head linings Shell linings Discharge systems Trunnion linings Mill trommel screens See pages 16 21
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In the case of rod mills the design should consider the rod load through the discharge trunnion liner The bolt liners are made of forged steel with an oval head to prevent them from turning and loosening These are fixed in place with a hex nut a flat washer and a rubber seal all these elements waterproof the cylinder holes preventing
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trunnion discharge rod mill Crusher manufacturers quotes Grinding Equipment Ball Mills Rod Mills Used Mining Equipment Choose from a great selection of used mining grinding equipment including ball mills rod
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Rod mill feeding means July 1962 Genier feeder conduit means having a discharge end extending concentrically through the trunnion and in discharge relationship with the shell in feed opening deformable sealing means for preventing discharge of material from between the trunnion and feeder conduit means the sealing means
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Trunnion babbitt bearings on mills Products As a leading global manufacturer of crushing grinding and mining equipments we offer advanced reasonable solutions for any size reduction requirements including Trunnion babbitt bearings on mills quarry aggregate and different kinds of minerals.
Chat OnlineRod mills normally carry 35 to 65 rod charge by volume The limits on charge level are 1 keeping the feed end trunnion open so that feed will get into the mill and 2 keeping the rod charge low so rods will not work their way into discharge openings where they can cause rod tangling.
Chat Onlinei University of Southern Queensland Faculty of Engineering and Surveying Grinding Mill Conceptual Design Developments A dissertation submitted by
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Mill using pebbles or lump ore as grinding media open or closed circuit Shell 2 Trunnion 3 Feed Side Trunnion Liner 4 Discharge Side Trunnion Liner The cover is made of cast steel and combined with trunnion journals supporting Read more
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The overflow type of Ball Mill is designed to overflow and discharge materials from the trunnion on the outlet side By combining it with a mechanical classifier or wet processing cyclone you are able to extensively use this type for grinding in closed circuit or for special applications such as re grinding in open circuit.
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This book throws new light on the internal mechanics of mills It covers among others the following aspects Ball tube rod pebble batch grate discharge
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2 Grate discharge type ball mill In grate discharge type ball mill a grate is provided at the discharge end of shell Compared with the over flow type over grinding is minimized and this suitable for grinding to 60100 mesh level 1 Shell 2 Trunnion 3 Feed Side Trunnion Liner 4 Discharge Side Trunnion Liner 5 Trunnion Bearing 6
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Trunnion discharge mills are equipped with a re placeable liner in the discharge trunnion and a discharge spout attached to the trunnion so that the pulp or dry product is discharged away from the trunnion bearing A single surface trommel screen or a splitter for distributing the pulp to two or more launders is often attached to the dis charge trunnion.
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The rod mill itself consists of a cylinder rotating between 10 and 30 rpm This cylinder is filled with a grinding media such as The other main pier is the discharge trunnion pier as shown in
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Product Design Features of Wet Type Rod Mill 1 Rod grinding mills are equipped with a replaceable liner in the discharge trunnion and a discharge spout attached to the trunnion so that the pulp or dry product is discharged away from the trunnion bearing A single surface trommel screen or a splitter for distributing the pulp to two or more Read
Chat OnlineThis book throws new light on the internal mechanics of mills It covers among others the following aspects Ball tube rod pebble batch grate discharge
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The rods are fed through the discharge trunnion opening On bigger mills which need heavy rods the rod charging is made with a pneumatic or manual operated rod charging device The mill must be stopped every day or every second day for a few minutes in order to add new rods and at the same time pick out broken rod pieces.
Chat OnlineRod Millsyour solution for grinding coarse materials Available in multiple sizes Designs extend to 15 feet x 22 feet 21 feet effective Though mill length is limited by manufacturing constraints for the grinding rods our Rod Mills are available in diameters from 5 feet up to 15 feet.
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Batch Mill Ball Mill or Rod Mill 2′ diam to 4′ diam Continuous Mill Ball or Rod 12″ x 12″ to 4′ x 8′ Mild steel construction Fabricated shell and heads flanged Spur type ring gear and pinion gear Bronze trunnion bearings Replaceable trunnion liners Motor gear reducer drive Rubber liners and lifters Feed spout and
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trunnion discharge rod mill randpic 2060 Rod Mill Rsvd Trunnion discharge mills are equipped with a e r placeable liner in the discharge trunnion and a discharge spout attached to the trunnion so that the pulp or dry product is discharged away from the trunnion beari
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