rod mill power vs ball mill

Rod mill BAILING Machinery

Rod mill . Feeding size 6 25mm Output size 0 5mm Rod mill or grinding rod mill can be widely applied in some fields such as refractory chemical industry metallurgy glass and some other industries that have the higher requirement on the uniformity of the finished product.

The influence of mill speed and pulp density on the

The absorbed power is calculated by multiplying the torque on the driving shaft with the shaft speed rad/sec and hence excludes any losses associated with the gearbox and motor. The pulp weight in the mill is obtained by subtracting the mill weight during the test from the empty mill weight including the ball charge at the start of the test

What’s the difference of Ball mill SAG mill AG mill

Jan 11 2018  Attrition mill is a type of grinding mill by kinds of media to crush lump to powder like substances. The impact can be rock on rock such as in an Autogenous Grinding AG mill rock and a small ball charge 10 used in Semi Autogenous Grinding SAG mills balls of various sizes in Ball Mills and less commonly these days steel rods in Rod Mills.

A Method of C alculating Autogenous/ Semi Autogenous

No 1 rod mill/ball mill circuit was operating very effi ciently when comparing the combined operating work indices for both mills with the rod mill and ball mill laboratory work indices. Note in Figure. 1 that the rod mill product slope is less than 0.5 due to an extra amount of nes present being fi fi ner than 650 μm.

What Is a Ball Mill

Mar 10 2020  For a ball mill to work critical speed must be achieved. Critical speed refers to the speed at which the enclosed balls begin to rotate along the inner walls of the ball mill. If a ball mill fails to reach critical speed the balls will remain stationary at the bottom where they have little or no impact on the material. Ball Mills vs

Laboratory Ball/Rod Mill

GTEK Laboratory Ball/Rod Mills are laboratory grinding equipment for wet grinding of ore and other materials. GTEK has XMQ cone ball mill and XMB rod mill. GTEK China s top rank manufacturer over 30 years best quality and price.

Batch Ball or Rod Mill Container

Feed size should generally be 1/8″ for ball mill and 1/2″ 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 mill the proper grinding speed usually 60 75 of the critical speed for ball mills and 50 to 90 of critical speed for

Difference Between Ag Sag Ball Mill Rod Mill

Rod Mill Power Vs Ball Mill. Comparison between rod mill and ball mill014 01 03od mill is a type of grinding mill whose grinding media is steel bar while ball mill is steel ballod mill are usually applied to grinding the w sn ore and rare metal in

Rod mill en by Perumin

Aug 29 2013  Rod Mills are built in sizes from 3’ to 14’ shell diameter with shell lengths 1 1/2 to 2 1/2 times the diameter depending on upon the mill diameter and the application.

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.

Grinding Mill Power

May 08 2017  1 1.01/1 0.4 = 1.5. Thus the power to drive a rod mill without a powder charge will be given approximately by. PR = 1.5PB .. 3.24 where PR is the power to drive the rod mill and PB is the power to drive the corresponding ball mill as calculated from the foregoing formulae.

Homemade Ball Mill

Homemade Ball Mill. Mine was reconditioned but runs great and the seller even put a power cord on it for me. The drive shaft is ½ inch diameter to which I attatched a 2 inch O.D. sheave. The larger sheave is 6 inch O.D. and attaches to a length of 5/8 inch steel rod and the two are connected by a standard V belt. The steel rod is

Rod Mill VS Ball Mill

MODULE #5 FUNCTIONAL PERFOMANCE OF BALL MILLING

Effective mill power draw 24 Ball mill specific grinding rate 29 Ball mill grinding efficiency 33 Progress Review 1 39 PART IIFunctional Performance Analysis 43 Using the functional performance equation 43 Functional performance efficiency 47 Relating design and operating variables to grinding classification and circuit efficiencies 53

Effects of slurry concentration and powder filling on the

Nov 15 2003  DOI 10.1016/J.POWTEC.2003.08.048 Corpus ID Effects of slurry concentration and powder filling on the net mill power of a laboratory ball mill article Tangsathitkulchai2003EffectsOS title= Effects of slurry concentration and powder filling on the net mill power of a laboratory ball mill author= Chaiyot Tangsathitkulchai

AMIT 135 Lesson 8 Rod Mills Mining Mill Operator Training

Typically R = 8. Rod Mill Charge Typically 45 of internal volume 35 65 range. Bed porosity typically 40 . Height of bed measured in the same way as ball mills. Bulk density of rods = 6.25 tons/m3. In wet grinding the solids concentration 1s typically 60 75 by mass. A rod in situ and a cutaway of a rod mill interior.

Difference Between Sag Mill vs Ball Mill

Oct 12 2017  1. SAG mill is the primary tool for grinding. SAG mill is used before the other mills. Ball mill is a secondary and it is used after the SAG mill. 2. SAG mill breaks the raw material into pieces for the further grinding. Ball mill is used to grind the pieces of raw material into. powder like structures. 3.

The Kemi grinding circuit with rod and ball mills and

The Kemi grinding circuit with rod and ball mills and screen classification. consists of a rod mill and a ball mill with a maximum power consumption of 560 kW and 220 kW respectively.

Ball Mill VS Rod Mill

Apr 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

Power Industry Ball Mills

Efficient fuel processing mills are a critical part of power generation wherever electricity is produced by burning fossil fuels. Following extensive research Vega Industries in conjunction with parent company AIA Engineering has developed a series of improvements that offer the following advantages Increased working life for mills.

Ball mill BAILING Machinery

Ball mill . Production capacity 1.4 50t/h Power 45 1000kw Weight 12 156T Ball mill is widely used in powder making production line including cement silicate new type building material refractory material fertilizer ore dressing of ferrous metal and

PDF Measurement of electrical energy consumption in a

In total 76 data sets were generated covering the power draws of ball SAG and AG mills in the range 77900 kW. All three models were found to predict the power draw of the mills in the data

Ball Mill Grinding Mill Ball Mill Manufacturers Ball

Improvement High efficiency autogenous mill can realize the second and third stage crushing and screening and part or all crushing and grinding of rod mill or ball mill. Low power consumption no dust pollution less auxiliary equipment easy

Ball Mill vs

May 05 2020  Vertical Mill vs Ball Mill Power Consumption It is generally agreed that a vertical mill requires less than 1/2 the power of a ball mill to grind from 3 to less than 32 micron. 9th February 2009 22 24 #5

disadvantages of rod mills

advantage and disadvantage of rod mill roller crusher. Disadvantages Of Rod Mill. Disadvantages of rod mills 2012 the advantages and disadvantages of rod milling are as advantages of rod milling in open circuit milling rod mill for gold ore mining gold rock chat now is a rod mill an open circuit the relatively coarse open circuit rod mill ball or pebble mill and as

Mineral processing plant MECRU

Mecru supplies the design and production of mining ball mill and rod mill.. Mecru mining ball mill is the essential equipment for grinding the crushed materials.It is widely used in cement silicate products new building materials refractory materials fertilizers black and non ferrous metal beneficiation glass ceramics and other industries.. This machine consists of feeding part

AMIT 135 Lesson 7 Ball Mills Circuits Mining Mill

Describe the components of ball mill. Explain their understanding of ball mill operation. Explain the role of critical speed and power draw in design and process control. Recognize important considerations in ball mill selection. Reading Lecture. In ball mills steel balls or hard pebbles to break particle based on impact and attrition.

What are the differences between ball mill and rod mill

Mar 08 2021  Grinding medium of rod mill. The rod of diameter from 50 to 100 mm is often used as the grinding medium and the filling rate of rod mill is 35 to 45 while filling rate of ball mill is 40 to 50 . Rod is mainly made of several materials A High carbon steel.

Sepor’s Batch Ball or Rod Mill Container

The batch ball and rod mills require a drive roll to rotate the mill the proper grinding speed usually 60 75 of the critical speed for ball mills and 50 to 90 of critical speed for rod mills. The batch ball mill should be run between 56 RPM’s and 70 RPM’s. The batch rod mill should be run between 47 RPM’s and 79 RPM’s.

Grinding Ball Mills for sale Rod Mills Pebble Mills SAG

9ft x 14ft Ball Mill 500hp motor Rod Mill 5 Ball Mill GM060 9ft x 35ft Allis Chalmers Ball Mill with 1250hp Synchronous Motor 240rpm 4160v shell can be resize to any size. SOLD 1 Ball Mill GM015 10.5 Ft x 12 Ft Allis Chalmers Ball Mill No Liners 800hp Motor gears in excellent condition. SOLD 1 Ball Mill GM055

Lab Rod Mill

Laboratory Rod Mill is a lab grinding equipment for wet or dry grinding of ore. It is applied in labs for processing and fine grinding of artificial placer materials and ores in metallurgical building material chemical light coal water conservancy electric power agricultural and

GRINDING MILLS Ball Rod SERIES GM

Mill Assembly Many years of experience in design repair and service enabled us to design mills which are simple to maintain. TECHNICAL SPECIFICATION Mill Diameter mm Lenght mm Capacity Mg/h Power kW Weight kg no charge GM 1735R rod ø 1700 3500 Up to 20 90 or 110 25 000 GM 1735B ball ø

Rod Mill Design Power Draw

Oct 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 mill.