### What is the difference between a SAG mill and ball mill?

A SAG mill with a 44′ (13.4m) diameter and a power of 35 MW (47,000 HP) has been designed. [9] Attrition between grinding balls and ore particles causes grinding of finer particles. SAG mills are characterized by their large diameter and short length as compared to ball mills.

Get PriceEmail contact### What's the Difference Between SAG Mill and Ball Mill ...

Difference Between SAG Mill and Ball Mill, from the working principle, application, structure, etc. Grind and blend solid or hard materials into smaller pieces by means of shear, impact and compression.

Get PriceEmail contact### Difference Between Sag Mill vs Ball Mill - mech4study

Oct 12, 2017 Today we will learn about difference between sag mill vs ball mill. A mill is a machine by which solid or hard materials are broken into smaller pieces by means of grinding, crushing or cutting. This commutation is an essential part of many processes. Various kinds of mills are there with which different material processing takes place.

Get PriceEmail contact### What’s the difference of Ball mill, SAG mill, AG mill?

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.

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Mill (grinding) - Wikipedia, the free encyclopedia. A SAG mill is generally used as a primary or first stage grinding solution. SAG mills use a ball charge of 8 to 21%.

Get PriceEmail contact### What’s the difference of Ball mill, SAG mill, AG mill?

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.

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Mill (grinding) - Wikipedia, the free encyclopedia. A SAG mill is generally used as a primary or first stage grinding solution. SAG mills use a ball charge of 8 to 21%.

Get PriceEmail contact### Mill (grinding) - Wikipedia

A SAG mill with a 44' (13.4m) diameter and a power of 35 MW (47,000 HP) has been designed. Attrition between grinding balls and ore particles causes grinding of finer particles. SAG mills are characterized by their large diameter and short length as compared to ball mills.

Get PriceEmail contact### Difference Between A Sag And A Ball Mill

what is the difference between a sag mill and a ball mill. what is the difference between a sag mill and a ball mill Description : Mill (grinding) – Wikipedia, the free encyclopedia SAG mills use a ball charge of 8 to 21%.

Get PriceEmail contact### Ball mill - Wikipedia

A ball mill, a type of grinder, is a cylindrical device used in grinding (or mixing) materials like ores, chemicals, ceramic raw materials and paints.Ball mills rotate around a horizontal axis, partially filled with the material to be ground plus the grinding medium. Different materials are used as media, including ceramic balls, flint pebbles, and stainless steel balls.

Get PriceEmail contact### Application of Operating Work Indices in Autogenous ...

The apparent difference between ball mill and AG/SAG mill efficiency is an artefact of Bond’s implicit assumption that the particle size distributions can be ... terms such as “SAG mill inefficiency factor.” As ore breakage characteristics can be a major factor in AG/SAG mill product size distribution, Figure 2

Get PriceEmail contact### SAG mill Archives - International Mining

The SAG mill agreement has come about as First Majestic ordered a complete new SAG mill package, which, Condor says, is now superfluous to its requirements. The SAG mill has a mill diameter of 24 ft (7.3 m) and an effective grinding length of 18.5 ft and a structural charge mass of 315 t,

Get PriceEmail contact### Paper # 25 - Copper Mountain Overview on the Grinding ...

Sometimes there is for some reason no ore feed to the ball mill; this can be caused for example by required inspections performed on the SAG mill (shell, bearings, etc.), which leads to a relative short shutdown of the SAG mill. If the ball mill would be equipped with fixed speed motors, then they will have to be washed out, isolated and stopped.

Get PriceEmail contact### Overflow VS Grate Discharge Ball or Mill - Why Retrofit

Metallurgical ContentTypes of Ball Mills Ball Mill GrindingExample of Plant Capacity GainsBall Mill SpecificationsCompare Type of Mill DischargeGrate Discharge Ball Mill CapacitiesGrate Discharge Ball Mill Arrangement Dimensions Allow me to compare: Ball mills can be of the overflow or of the grate discharge type. Overflow discharge mills are used when a product with high specific surface is ...

Get PriceEmail contact### Energy recovery potential in comminution processes ...

Jun 01, 2013 Assuming the temperature difference between the circuit feed and discharge is 10 K (10 °C) and knowing power (7300 kW), feed rate (10,000 t/day) and slurry density of 70% solids for a given mill (Brunswick SAG mill, Orford et al., 2005), it is possible to determine the energy lost rate as 4069 kW which represents 56% of the power input into ...

Get PriceEmail contact### Rethinking the value of mill relining - Mining Magazine

Generally speaking, and depending on current ore prices, the production of a large SAG mill usually equates to between US$30,000 and US$200,000 per hour. The high-wear liner components of a large SAG mill can take anywhere from 40-120+ hours to replace, depending on worn liner condition, support equipment, tooling, and the depth of experience ...

Get PriceEmail contact### Small-Scale Tests to Characterise Ore Grindibility

but for AG/SAG mill analyses the standard 14-mesh (1.18mm) sieve is typically used. The rod mill work index is computed with an equation very similar 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

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Higher grade ore is sent to the crushers near the mine where the ore is reduced to 1.5in pieces. The crushed ore is sent by the 4.4km conveyer to the grinding plant, which houses one 40ft SAG mill and two 26ft ball mills. The ore slurry prepared from the milled ore is sent to the Las Tórtolas flotation plant through a 52km pipeline.

Get PriceEmail contact### How to ensure energy efficiency in mining - Mining Magazine

F80 to P80. Therefore, a really energy-efficient circuit may mean three stages of grinding instead of only two, and each stage can be slightly smaller and more efficient than one big one, e.g. a SAG mill (or HRC) followed by a ball mill and with a tertiary Vertimill.

Get PriceEmail contact### Small-Scale Tests to Characterise Ore Grindibility

but for AG/SAG mill analyses the standard 14-mesh (1.18mm) sieve is typically used. The rod mill work index is computed with an equation very similar 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

Get PriceEmail contact### Application of Operating Work Indices in Autogenous ...

The apparent difference between ball mill and AG/SAG mill efficiency is an artefact of Bond’s implicit assumption that the particle size distributions can be ... terms such as “SAG mill inefficiency factor.” As ore breakage characteristics can be a major factor in AG/SAG mill product size distribution, Figure 2

Get PriceEmail contact### Difference Between A Sag And A Ball Mill

what is the difference between a sag mill and a ball mill. what is the difference between a sag mill and a ball mill Description : Mill (grinding) – Wikipedia, the free encyclopedia SAG mills use a ball charge of 8 to 21%.

Get PriceEmail contact### Paper # 25 - Copper Mountain Overview on the Grinding ...

Sometimes there is for some reason no ore feed to the ball mill; this can be caused for example by required inspections performed on the SAG mill (shell, bearings, etc.), which leads to a relative short shutdown of the SAG mill. If the ball mill would be equipped with fixed speed motors, then they will have to be washed out, isolated and stopped.

Get PriceEmail contact### Improving energy efficiency in comminution - MINING.COM

Oct 01, 2018 In this case, an AG or SAG mill may be appropriate. For smaller throughput scenarios, a three-stage crushing plus rod mill plus Vertimill may make the most sense. It all depends on the ore ...

Get PriceEmail contact### How to ensure energy efficiency in mining - Mining Magazine

F80 to P80. Therefore, a really energy-efficient circuit may mean three stages of grinding instead of only two, and each stage can be slightly smaller and more efficient than one big one, e.g. a SAG mill (or HRC) followed by a ball mill and with a tertiary Vertimill.

Get PriceEmail contact### Los Bronces Copper and Molybdenum Mine - Mining

Higher grade ore is sent to the crushers near the mine where the ore is reduced to 1.5in pieces. The crushed ore is sent by the 4.4km conveyer to the grinding plant, which houses one 40ft SAG mill and two 26ft ball mills. The ore slurry prepared from the milled ore is sent to the Las Tórtolas flotation plant through a 52km pipeline.

Get PriceEmail contact### Overflow VS Grate Discharge Ball or Mill - Why Retrofit

Metallurgical ContentTypes of Ball Mills Ball Mill GrindingExample of Plant Capacity GainsBall Mill SpecificationsCompare Type of Mill DischargeGrate Discharge Ball Mill CapacitiesGrate Discharge Ball Mill Arrangement Dimensions Allow me to compare: Ball mills can be of the overflow or of the grate discharge type. Overflow discharge mills are used when a product with high specific surface is ...

Get PriceEmail contact### Energy recovery potential in comminution processes ...

Jun 01, 2013 Assuming the temperature difference between the circuit feed and discharge is 10 K (10 °C) and knowing power (7300 kW), feed rate (10,000 t/day) and slurry density of 70% solids for a given mill (Brunswick SAG mill, Orford et al., 2005), it is possible to determine the energy lost rate as 4069 kW which represents 56% of the power input into ...

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We represent a global community from 110 countries involved in all aspects of mining. We exist to support and advocate for everyone in the sector, whether they are a director, manager, technician, consultant or student, working at a desk, in a lab or in the field.

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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.

Get PriceEmail contact### Difference Between Crusher And Ball Mill

Difference between of sag mill and ball mill. Difference between ball mill and sag mill difference between sag mill vs ball mill mech4study oct 12 2017183 today we will learn about difference between sag mill vs ball mill a mill is a machine by which solid or hard materials are broken into. Details

Get PriceEmail contact### IMPC 2016: XXVIII International Mineral Processing ...

way to that which standard overflow ball mills and grate discharge AG/SAG/ball mills are analysed. Smaller scrubbers 13×33 ft. (500–700 kW) are suited to small scale soft ore (100-400 t/h ...

Get PriceEmail contact### Grinding Mill - an overview ScienceDirect Topics

Mill drive arrangement. Mill drives are generally located on the outside of the mill to facilitate maintenance. • Mill discharge arrangement. If the SAG and ball mills feed separate pump systems this is not an issue. If the two stages feed the same pump system, the SAG mill

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