### What are the differences between ball mill and rod mill

Mar 08 2021 It can be divided into two types of ball mills according to the discharging ways overflow discharge ball mill and grate discharge ball mill Fote ball mill Grate discharge ball mill Grate discharge ball mill can discharge material through sieve plate with the advantage of the low height of the discharge port which can make the material pass

Chat Online### The operating principle of the ball mill

Feb 08 2017 The operating principle of the ball mill consists of following steps In a continuously operating ball mill feed material fed through the central hole one of the caps into the drum and moves therealong being exposed by grinding media The material grinding occurs during impact falling grinding balls and abrasion the particles between the balls Then discharge of ground material performed

Chat Online### Grid Type Ball Mill VS Overflow Type Ball Mill How to

May 18 2020 Compared with the overflow type ball mill the ore discharge of grid type ball mill is low level forced discharge The pulp surface of the ore discharge port is low the fine ore particles can be discharged in time and the heavy mineral will not be concentrated in the ball mill which greatly reducing the over grinding phenomenon.

Chat Online### completes mill lining hat trick with Discharge End

Apr 23 2020 With grate discharge millstypically SAG AG and ball millsthe conventional relining process at the discharge end usually involves removing the dischargers and grates replacing with new lined versions and hammering in large long bolts through the layers to secure the liner components.

Chat Online### Overflow Discharge Ball Mill in Operation Mineral

Jun 12 2015 Overflow Discharge Ball Mill in Operation in a Rock Phosphate Processing Plant.For more videos related to Mineral Processing visit my YouTube channel http /

Chat Online### ball mill discharge grind sizeGrinding Classification

I am working in a plant with single stage grinding using a ball mill we operate the mill power at around 1400KW the feed size is 20mm we use 78mm/64mm steel balls the ball mill is in closed circuit with classification cyclones there are 3 cyclones and we operate 2 with a pressure of about 90KPa the Cyclone Overflow is around 95 microns.

Chat Online### Discharge Chute For Ball Millgreenrevolution

FL ball mill for cement grinding489 Кб For ball mills operating in closed circuit the circulation load is monitored by weighing the flow of reject material from the separator.The feed chute which is lined with bolted on wear plates slopesAt the discharge end of the mill the wear resistant outlet grate is fitted on a supporting structure that is

Chat Online### Development application and operating results of the

A rod mill differs from a ball mill in that the comparatively rigid grinding media operate in a relatively fixed path and reduction results fram line rather than point contact between grinding surfaces Conventional rod mills are either high or law discharge In the high discharge mill the discharge trunnion is the same size or only slightly

Chat Online### Ball MillSlideShare

Nov 18 2008 We discuss the types of ball mill the basic principles of the ball mill how it works the details of design including equations for optimum dimensions in all cases some manufacturers for the ball mill and estimation of the cost the ball mill 6 1 Introduction Ball mill is an efficient tool for grinding many materials into fine powder.

Chat Online### 5 Ways to Improve the Ball Mill EfficiencyFote

Jan 11 2020 According to the industrial tests the capacity varies with the ball mill types Even from the same type of ball mill the energy consumption and milling efficiency are different One of the factors is the function of the diameter and length The length of the ball mill affects the discharge fineness.

Chat Online### Peripheral Discharge Ball Mills Theory and Practice

Mar 14 2016 The principal function of the grate is to retain the ball charge in the mill while permitting a peripheral discharge The efficiency of the classifier when a ball mill is run in closed circuit directly affects both tonnage and fineness This will be discussed under capacity Conditions Affecting Ball Mill

Chat Online### Grate Discharge Liner for Ball MillEB Castworld Grate

MOQ 2 tons Material Grade AS2074 L2B L2C L2A Production Process Sand Process Heat treatment Melting Process Induction Melting Our company is a Chinese specialized manufacturer of alloy steel castings We can produce alloy steel castings as per the drawings of customers Grate Discharge Liner for Ball Mill Detailed Product Description.

Chat Online### What Should I Do If The Discharge Of The Ball Mill Runs

Reasons And Solutions For The Rough Discharge Of The Ball Mill The roughness of the ball mill refers to the abnormal phenomenon that the fineness of the mill product is significantly coarser and difficult to control It generally appears in the double chamber open circuit tube mill with a relatively small length and diameter.

Chat Online### Ball millsMetso Outotec

Outotec has designed manufactured and installed over 8 000 ball and pebble mills all over the world for a wide range of applications Some of those applications are grate discharge peripheral discharge dry grinding special length to diameter ratio high temperature milling oprations and more All equipment adheres to the applicable

Chat Online### Overflow VS Grate Discharge Ball or MillWhy Retrofit

Jun 24 2015 The discharge end of the Grate Discharge Ball Mill has at least ten times the discharge opening area through the grate slots compared to the common trunnion overflow type mill The discharge grates are designed to run clean and free of any blinding or choking The pulp level in the mill may be varied by merely changing the pulp dilution.

Chat Online### Ball Mill Discharge Screen Crusher Mills Cone Crusher

discharge head ball mill pdf Solution for Mining Quarry The SAG mill screen undersize and the ball mill discharge combine In grate discharge type ball mill a grate is provided at the discharge

Chat Online### Grate Ball Mill Buy Grate Discharge Ball Mill with

Grate ball mill grate discharge ball mill is a ball milling machine used to grind various ores and other materials Grate type ball mill is a traditional ball milling equipment for forced ore discharge by ore discharge grate. Its basic structure and grinding process are basically the same as the overflow type ball mill but the structure of the ore discharge part is different.

Chat Online### Overflow Discharge Ball Mill in Operation Mineral

Jun 12 2015 Overflow Discharge Ball Mill in Operation in a Rock Phosphate Processing Plant.For more videos related to Mineral Processing visit my YouTube channel http /

Chat Online### AMIT 135 Lesson 7 Ball Mills CircuitsMining Mill

For overflow ball mills the charge should not exceed 45 of the mill volume For grate discharge mills the charge should occupy about 50 of the mill volume Bond developed a relationship that can be used to determine the percent charge by volume as a function of the vertical height above the charge He and the radius of the mill R i.e

Chat Online### Copper Mountain Advances Mill Expansion With SAG Discharge

The mill s SAG/ball/flotation circuit was initially designed for 35 000 mt/d As mentioned earlier a secondary crushing circuit had been installed to boost the mill tonnage rate to 40 000 mt/d However the increased circulating load led to overloading of the original 12 x 28 ft single deck SAG mill discharge

Chat Online### The influence of mill speed and pulp density on the

These tests were done with a ∅0.82 x 1 m grate discharge mill with a 30 mm graded ball charge and a 30 filling degree The mill discharge pulp density was increased from 68.8 to 75.9 solids The data is summarized in Table III The example in Table III illustrates that the density has a large influence on the grinding efficiency In this

Chat Online### how a grate discharge ball mill works Mining

how we discharge the ball millproves projekt How A Grate Discharge Ball Mill Works Mining Metallurgy We have grate discharge for ball mill the cost of a ball mill conversion from overflow to grate discharge is fairly affordable at for a x mill this is only for the discharge head grates and pulp filters rubber a comparison in oratory of overflow discharge ball mill vs grate discharge

Chat Online### Ball MillsMt Baker Mining and Metals

Ball Mills Ball mills have been the primary piece of machinery in traditional hard rock grinding circuits for 100 years They are proven workhorses with discharge mesh sizes from 40M to <200M Use of a ball mill is the best choice when long term stationary milling is justified by an operation.

Chat Online### Converting a ball mill from overflow to grate discharge

Jun 23 2020 Converting a ball mill from overflow to grate discharge involves installing a grate inside the mill at the discharge end The grate holds the balls inside the mill but allows the slurry to pass through and it is then pumped out of the mill by the pulp lifters.

Chat Online### ball mill discharge typesgreenrevolution

ball mill ore grinding machine ore ball mills China ball mil Due to the ways of discharge are different there are two types of ball mills into lattice type and over flow type or center discharging type and side

Chat Online### EriezTrunnion Magnet System

The size of the blind trommel and magnetic circuit can be varied to retrofit an existing ball mill and available space at the discharge The magnetic circuit is designed to provide maximum strength for high slurry throughputs and up to 4 inch diameter grinding balls The trunnion magnet can be configuration for reversing or bi directional mills.

Chat Online### How do u clean the milling ball vial ResearchGate

The best way is to discharge the product first by ammonia to let dissolve it and then some solvent like sodium laural suplhate alkokal and does the ball milling for 2 3 min Remove solution

Chat Online### Ball Mill ExplainedsaVRee

Ball mills are usually either of the grate diaphragm or overflow type Ball Mill Components Ball mills consist of the following components Inletcrushed ore is fed to the ball mill through the inlet A scoop ensures the feed to the mill is constant Dischargereduced feed exits the mill through the discharge Ball Mill Components

Chat Online### Of Trunnion In Ball Millbeckers muehle

The trunnion is the main ponent in the ball mill equipment which is both the inlet channel and the end cover of the ball mill and carries the rotation of the cylinder Continuous operation under alternating stress the wear is relatively large especially the trunnion at the inlet and outlet ends is prone to breakage and slurry leakage.

Chat Online### Dry Ball Mill VS Wet Ball Mill What Are the Differences

Nov 13 2020 Wet ball mill is relatively simple without too many auxiliary accessories the horn shaped discharge port and the built in double spiral discharge facility makes the discharge more convenient The dry ball mill is more complicated the discharge port is straight cylindrical and is equipped with a draft device a dust exhaust pipe and a dust

Chat Online### how does a grate discharge mill work

ball mill grate discharge How a Grate Discharge Ball Mill Works Zhangqiu Grate Ball Mill/Grate Type Ball Mill/Grate Discharge The grate ball mill is usually used in the first segment of the two stages or place of discharging the rough ore ease contact us through Live Chat system to get price quotation and more info.

Chat Online### Optimization of mill performance by using

balls and blocking the grate discharge Optimization of mill performance by using online ball and pulp measurements by B Clermont and B de Haas Synopsis Ball mills are usually the largest consumers of energy within a mineral concentrator Comminution

Chat Online### What s the Difference Between SAG Mill and Ball Mill

Nov 26 2019 The ball mill adopts a discharge screen similar to the ball mill and the function of blocking the internal medium of the overflow ball mill is accomplished inside the rotary part of the ball mill The discharge screen is only responsible for forcing out a small amount of the medium that overflows into the discharge screen through the internal

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