Answer (1 of 3): Question - what is an Autogenous mill? An autogenous (AG) mill is a grinding mill used in the minerals processing industry It is shaped like a huge drum on its side and spins rapidly to carry ore to the top using centrifugal force Gravity assists in ,

Get PriceRely on our proven track record of AG and SAG Mill superiority Since the early 1980s, we have been designing and manufacturing Semi Autogenous Mill (SAG Mill) and Autogenous Mill (AG Mill) under the Fuller-Traylor brand Semi-autogenous grinding uses a minimal ball charge in the range of 6-15% while autogenous grinding uses ore only

Get PriceAutogenous and Semi-Autogenous Mills Autogenous (AG) and Semi-Autogenous (SAG) milling has seen increased use in recent years, especially in large mineral processing operations These mills typically have a large diameter relative to their length, typically in the ratio or 2 or 25 to 1 AG mills employ ore as the grinding media

Get Pricethroughput of autogenous grinding/semi-autogenous (AG/SAG) grinding mills, but also contributes other process benefits such as improved wear life and operator-friendly steady and smooth mill operation Following its introduction in 2006, Outotec’s patented Turbo Pulp Lifter (TPL™) design has been retrofitted at existing sites and also

Get Price01-01-2016· Grinding mills in which comminution takes place without grinding aids are known as autogenous grinding (AG) mills or fully autogenous grinding (FAG) mills These mills use large lumps of rock as the grinding media Mills that use intermediate size rock or pebbles as a grinding medium are also autogenous mills but are known as pebble mills

Get PriceAG/SAG Mill AG/SAG mills are normally used to grind run-off-mine ore or primary crusher product Wet grinding in an AG/SAG mill is accomplished in a slurry of 50 to 80 percent solids 2D and 3D simulations of particles in a SAG Mill red=fastest, blue=slowest moving particles [image: (135-6-4)]

Get PriceCopper Concentrator Autogenous Grinding Practices At Mount Isa Mines Limited Dem Validation For A Scale Model SAG Mill The Modelling Of Autogenous And Semiautogenous Mills Design Of The 40 Foot SAG Mill Installed At The Cadia Gold Copper Mine The Prediction Of Power Draw In Comminution Machines Developments In AG/SAG Mill Modelling

Get PriceThe AG mill (autogenous grinding mill) is a medium-free grinding machine In order to improve the processing capacity, 2% -3% steel balls can be added (also known as semi autogenous grinding mill or SAG mill) Raw ore or coarse crushed ore from the mine can be directly fed into the AG mill (SAG mill) for grinding

Get Price20-07-2017· Intermediate autogenous mills (or intermediate pebble mills) which process a fine crushed product (minus 5/8″ to minus 1″) obtained from an intermediate crushing plant The grinding media in these mills are rock pebbles of suitable size (3″ to 6″) screened out of the intermediate crushing circuit

Get PriceGrinding systems are a symbol of the application of brute force to extract mineral wealth from nature and are a major and critical part of any mineral processing facility Autogenous (AG) grinding is the size reduction of material in a tumbling mill utilizing the feed material itself as grinding media SemiAutogenous (SAG) grinding is the size .

Get Price02-09-2021· Every 24 hours, around 180,000 tonnes of ore are fed into the six milling lines’ autogenous grinding mills (AG mills), these are the largest grinding mills in the world Each mill measures about 12 metres in diameter and has an internal volume of 1,220 cubic metr As the AG mill turns, the ore crushes against itself and breaks apart

Get PriceAn Autogenous (AG) Mill is a t umbling mill which utilizes t he ore itself as grinding media For some ores, an auto genous mill combines t he size ,

Get PriceTable 1 Example of AG/SAG Ball Mill Circuit Wio Calculations [1] [2] ABstrAct Optimum use of power in grinding, both in terms of grinding efficiency and use of installed capital, can have a large effect on profitability Mill operators have long used operating work indices to evaluate grinding circuit efficiency, with great utility

Get PriceAutogenous AG SAG Mills for Sale 911Metallurgist The oversize pebbles are recycled through a small eccentric crusher then back to the SAG or autogenous grinding mill This procedure maximizes ore throughput and minimizes electrical energy consumption Assuming your ore is AGamenable 7 TPH to 15 TPH is a comfortably production average for a 13′ x 45′ AG Mill

Get PriceDescription: Designed for autogenous or semi-autogenous grinding, the 6′ X 2′ continuous feed Autogenous or Semi-Autogenous Mill may be used as a pilot plant to determine the size for larger mills or for small scale milling projects With the appropriate feed, the AG mill can reduce or eliminate the need for grinding media costs and .

Get PriceAG mill (autogenous mill) is a medium-free mineral grinding equipment The raw ore and the coarsely crushed ore are directly fed into the AG mill No other medium is involved in grinding Only the impact between the ore is used for self-grinding The ore larger than 100mm in the AG mill plays the role of grinding medium

Get Priceand Closed Circuit AG/SAG Mills S Morrell1 ABSTRACT The aspect ratio (mill diameter/mill length) of autogenous and semi autogenous mills varies widely and can be as high as three or as low as 05 The literature on the subject of what effect aspect ratio has on grinding mill performance or energy efficiency is almost non-existent

Get PriceAutogenous Ag Grinding Mill Semi Autogenous Sag Autogenous ag grinding mill semi autogenous sag mills nhOur company, as leading manufacturer and supplier of mining crushers in china, is located in zhengzhou city, henan provinceOur main products are crusher machines for processing over 160 kinds of stones and ores in mining, quarry .

Get PriceSemi Autogenous Grinding Mill La Ag sag autogenous semi autogenous grinding mill testing ff the drill cores indicate that the ore could contain sufficient lumps in the sizes needed for ore media in autogenous and semi autogenous grinding then bulk samples 750 kg of mine run or primary crushed ore with an even distribution by quantity in the size fractions between 100 ,

Get PriceAG/SAG/Ball Mill Sizing Gross Power Draw and Specific Energy Calculator for Autogenous Grinding (AG), Semi-Autogenous Grinding (SAG) and Ball Mills Exit Mill Calculator

Get Price06-08-2015· In autogenous mills the diameter is greater than the length They can be as much as 40+ feet in diameter Patented in 1959, AG Mills are not so popular any more This large diameter of mill is required to achieve the impact necessary to grind the ore The main source of reduction comes from the impact of the rock falling on rock

Get PriceAutogenous (AG) grinding mills involve no grinding media as the ore itself acts as the grinding media Our ball mills are the most robust design in the industry, available with either geared or gearless drive arrangements The cost-effective FT Series mills are smaller, gear driven and feature hydrodynamic lubrication

Get Price1 AG mill Competent ore - homogenous The grind size is often dictated by the relationship between abrasion and impact breakage, especially in fixed speed mills Often selected when low steel contamination is required 2 AG mill + a recycle crusher Competent ore - relatively homogenous (the recycle crusher is

Get PriceAutogenous grinding mills (AG mills) TON Autogenous mills, or AG mills, can accomplish the same size reduction work as two or three stages of crushing and screening Often used in grinding at modern mineral processing plants, AG mills reduce the material directly to the desired final size or prepare it for the following grinding stagget price

Get PriceSince the early 1990s, we have been designing and manufacturing Semi Autogenous (SAG) and Autogenous (AG) Grinding Mills SAG and AG Mills operate by lifting ore/grinding media and dropping it on the operating bed of the mill charge

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