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difference between ball mill and rod mill ore processing

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

Nov 14, 2019 · 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 metals. 2.

difference between ball mill and rod mill ore processing

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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May 29, 2020 · The discharging fineness of the material milled by ball mill is between 0.074-0.4mm, and that of the material milled by rod mill is between 0.833-0.147mm. 6. Performance Analysis

Differences Between Ball Mill and Rod Mill

Nov 26, 2017 · Ball mill and rod mill are usually driven by asynchronous motor or synchronous motor. The rotating speed of cylinder is below the critical speed. In order to obtain better impact effect, some ball mill speed can be adjusted. Ball mill and rod mill are used in wet and dry process to deal with various hardness of ore, rock and other materials.

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The 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 b...

Ball Mills - Mineral Processing & Metallurgy

Feb 13, 2017 · What is the Steel Charge of a Ball Mill. Difference Between a Rod Mill and Ball Mill. Rod Mills has a very define and narrow discharge product size range. Feeding a Rod Mill finer rocks will greatly impact its tonnage while not significantly affect its discharge product sizes. The 3.5” diameter rod of a mill, can only grind so fine.

What's the Difference Between SAG Mill and Ball Mill ...

Nov 26, 2019 · Do you the difference between the ball mill, rod ... filled rate of 9% – 20%. SAG mill grind ores through impact, attrition, abrasion forces. In practice, for a given ore and equal processing conditions, the AG milling has a finer grind than SAG mills. ... the material constantly impacts and grinding to gradually pulverize. Sometimes, in ...

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In Mineral Processing Design and Operations (Second Edition), 2016. 8.3.1 Rod Mill Charge. Rod mill charges usually occupy about 45% of the internal volume of the mill. A closely packed charge of single sized rods will have a porosity of 9.3%. With a mixed charge of small and large diameter rods, the porosity of a static load could be reduced even further.

Ball Mills vs Rod Mills

Jul 03, 2017 · Rods in place weigh approximately 400 pounds per cu. ft. and balls in place approximately 300 pounds per cu. ft.. Thus, quantitatively, less material can progress through the voids in the rod mill grinding media than in the ball mill, and the

What is the difference between the ball mill and rod mill?

May 29, 2020 · The discharging fineness of the material milled by ball mill is between 0.074-0.4mm, and that of the material milled by rod mill is between 0.833-0.147mm. 6. Performance Analysis

difference between ball mill and rod mill ore processing

A similar but smaller 30 cm x 30 cm (12 inch x 12 inch) laboratory ball mill with 40 30 25 and 20 mm balls (1 1/2 1 1/4 1 and 3/4 inch) is used for their ball mill work index calculations. to that of the ball mill test as follows It is common to observe a difference between the

difference between ball mill and rod mill ore processing

2014-2-26 · GRINDABILITY TESTS Bond Rod mill work Index • The rod mill work Index is also normally distributed with and average and median of 14.8kWh/t • It is common to observe difference between the ball and rod mill caused by variation in ore hardness • The test has been mainly used for the design of rod mill or primary ball mills. http

Difference between ball mill and rod mill ore processing

Difference between ball mill and rod mill ore processing; Difference between ball mill and rod mill ore processing. 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 ...

Difference Between Ball Mill And Rod Mill Ore Processing ...

Difference Between Ball And Tube Mill. Ball mills mineral processing metallurgydifference between a rod mill and ball mill rod mills has a very define and narrow discharge product size range fee 86 15037109689 email protected the difference between a rod mill and a ball millcement

difference between ball mill and rod mill ore processing

Difference between ball mill and rod mill ore processing. The rod mill work index is also normally distributed The database average and median are both 148 kWht which is essentially the same as the ball mill average showing that on averagethe two indices are identical However it is mon to observe a difference between the rod mill and ball mill values for a given ore type These .

Rod mills, how they function - Mine Engineer.Com

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 to about 50 mm (2 in.) and produce a product in the size range of 3000 to 270 mm (–4 to –35 mesh).

Small-Scale Tests to Characterise Ore Grindibility

to that of the ball mill test, as follows: It is common to observe a difference between the rod mill and ball mill values for a given ore type. These differences may be caused by a variation in ore hardness by size (12.5mm for RWI and 3.35mm for BWI), and/or grain size properties. The Bond rod mill work index is used to calculate the power ...

advantages of ball mill in ore processing

What are the differences between ball mill and rod mill 2021-3-8 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 ...

difference between ball mill and rod mill ore processing

Comparison between Rod Mill and Ball Millore-processing. Rod mill is a type of grinding mill whose grinding media is steel bar while ball mill is steel ball. 1. Rod mill are usually applied to grinding the w-sn ore and rare metal in the reselection or magneticore-dressing plant in order to avoid the damage caused by the over crushing. 2. Get Price

difference between ball mill and rod mill ore processing

Rod mills are less common than ball mills for grinding minerals. The rods . Ball mill - Wikipedia. A ball mill is a type of grinder used to grind, blend and sometimes for mixing of materials for use in mineral dressing processes, . The difference in speeds between the balls and grinding jars produces an interaction Ball mill. Rod mill · IsaMill.

Difference Between Ball Mill And Rod Mill Ore Processing

To that of the ball mill test as follows: It is common to observe a difference between the rod mill and ball mill values for a given ore type These differences may be caused by a variation in ore hardness by size (12 5mm for RWI and 3 35mm for BWI) and or grain size properties The Bond rod mill work index is used to calculate the power ...

difference between ball mill and rod mill ore processing

How copper is made material, used, processing, steps . The mixture of ore and water is further broken up in two ball mills, which are like a rod mill except steel balls are used instead of rods. The slurry of finely ground ore that emerges from the final ball mill contains particles about 0.01 in (0.25 mm) in diameter. Get Price

difference between ball mill and rod mill ore processing

to that of the ball mill test as follows It is common to observe a difference between the rod mill and ball mill values for a given ore type. These differences may be caused by a variation in ore hardness by size (12.5mm for RWI and 3.35mm for BWI) and/or grain size properties.

Difference Between Ball Mill And Rod Mill Ore Processing

the Difference of Rod Mill and Ball Mill - ore . The ball mill has a great similarity in appearance with rod mill,which is most widely used in the cement and fertilizer production. Different from rod mill,ball mill is also used as dry type grinding mill, which is the main difference of the ball mill and rod mill because of its different ...

Difference Between Rod Mill And Ball Mill

the Difference of Rod Mill and Ball Mill ore processing. What is the Difference of Rod Mill and Ball Mill? Rod mill and ball mill may be only one word difference in the name, but in fact, there was a striking internal differences. Rod mill , as the name suggests, is to rely on rod bars for the material grinding,and wet overflow. Get Price

How to Choose a Ball Mill or a Rod Mill? by direolindaqwe ...

Aug 29, 2019 · 1. According to raw material processing options In the operation, if the raw material that the user needs to process is tungsten tin ore, the rod mill is a better choice, and if the material to be ...

Difference Between Ball Mill And Rod Mill Ore Processing

Difference between rod mill and ball mill essay 376 words nov 05 2013 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.

difference the ball mill and rod 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.get price Rod Mill VS Ball Mill Comparative Analysis of May 08, 2020 The output size of the grinding material in the ball grinding mill is generally between 0.047mm-0.4mm, and that of the rod mill is ...

difference between rod and ball mill - Industar

What's the Difference Between Ball Mills and Rod Mills. Nov 19, 2019· What’s the Difference Between Ball Mills and Rod Mills Grinding media. Thegrinding media of ball mill is steel ball, but it ofrod mill is steel rod. Application.Compared with the ball mill, therod mill adopts advanced controllable feeding and discharging technology ...

advantages of ball mill in ore processing

What are the differences between ball mill and rod mill 2021-3-8 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 ...

Difference Between Ore Ball Mill

Difference Between Ore Ball Mill. the ore p 80 = the 80% cumulative passing size of the product in microns f 80 = the 80% cumulative passing size of the feed in microns.The apparent difference between ball mill and ag/sag mill efficiency is an artefact of bonds implicit assumption that the particle size distributions can be defined by one point, the 80% passing.

Relationships between comminution J energy and product ...

scale rod mill followed by low-intensity magnetic separation (LIMS). Assay on major constituents were carried out on LIMS products. Standard Bond ball mill grindability and batch grinding tests were carried out. The Standard Bond ball mill grindability tests were carried out on crushed (-3.35 mm) ore samples (18) using a 106 micron closing screen.

FTM Machinery(Fote) From China For World Mining&Crushing

Ball Mill Is The Key Milling Equipment After Material Has Been Crushed. 1. The ball mill can grind various materials and produce ore pulp. 2. It can be divided into wet and dry grinding method. Usually we adopt the latter. 3. It is full of high efficiency, less friction, and low energy-consumption.

AMIT 135: Lesson 5 Crushing – Mining Mill Operator Training

The purpose of the primary crusher is to reduce the ROM ore to a size amenable for feeding the secondary crusher or the SAG mill grinding circuit. The ratio of reduction through a primary crusher can be up to about 8:1. Feed: ROM up to 1.5 m. Product: -300mm (for transport) to

Do you know about a ball mill? - Quora

Answer: Ball is a secondary/tertiary grinding equipment used mainly in mineral processing industries. It's main purpose is to further reduce ore size form some “mili meters” to “micrometer ”.

Improving energy efficiency in comminution - MINING.COM

Oct 01, 2018 · The trial demonstrated a 14.8 percent increase in mill throughput for the specific ore selected for the study, and an average increase of 5.7 percent for all ore types, with no additional ...