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Autogenous mills, semi-autogenous mills and ball mills for

SAG/ball mill circuit incorporating pebble crushers and a POLYCOM® high-pressure grinding roll. SAG and ball mill for gold ore grinding. One of three SAG mills with 9.75 m diameter and 2 x 4000 kW drive power. These mills operate in conjunction with ball mills for iron ore grinding in Iran.

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Autogenous and Semi-Autogenous Mills ScienceDirect

Jan 01, 2016· Two-Stage Autogenous Ball Mill Circuits. The main problem in designing and operating an AG/SAG circuit is the trend to build up the 25–50 mm fraction of the charge which hampers throughput. This specific size fraction that builds up in the mill is referred to as the critical size .

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Autogenous Grinding Information Mine Engineer.Com

Autogenous Mills operate, mechanically, similar to the ball mill. They differ in the media they use to break or grind the ore. Autogenous Mills use large particles of ore instead of steel or other balls for grinding media. Autogenous mills use large pieces of ore as grinding media. The grinding is facilitated in autogenous mills by attrition

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Ball Mill VS Autogenous Mill-xinhai

Ball mill and autogenous mill can deal with non metal, ferrous metal, non ferrous metal, rare metal, and divided into dry and wet two types, to meet the needs of various materials. 02 II. The differences between ball mill and autogenous mill. 1. The differences of structure

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Autogenous Grinding & Semi Autogenous Grinding Circuits

Table of Contents Autogenous Grinding CircuitsSAG vs Ball Mill AdvantagesAG & SAG Mill Grinding Compared Which is BestTesting for Product SizePrimary Autogenous Grinding Concentrators Recent Trends and DevelopmentsAutogenous Mill TypesPrimary Autogenous MillsWet Versus Dry Primary GrindingBasic Plant FlowsheetBasic Primary Grinding Flowsheets Size reduction is the most

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Autogenous AG & SAG Mills for Sale 911Metallurgist

20 to 30 TPH for gold ore SAG & Ball Mill duty; 25 to 40 t/h for copper porphyry SAG & Ball Mill duty; In Single Stage SAG duty, the approximate capacity reduces to only 8 to 13 TPH for gold ore duty. The autogenous mill itself is a coarse-grinding device, consisting of tumbling drum with a 25% to 40% volume filling of ore.

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What's the Difference Between SAG Mill and Ball Mill

Both the autogenous grinding mill and the ball mill feed parts are welded with groove and embedded inner wear-resistant lining plate. As the sag mill does not contain grinding medium, the abrasion and impact on the equipment are relatively small. The feed of the ball mill contains grinding balls.

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Practical 1 : Ball Milling TF Lab 1

Dec 23, 2013· Autogenous mill is a self-grinding mill which is used in breakage of larger rocks. SAG (Semi-Autogenous Grinding) mill is an autogenous mill which uses grinding balls, it is similar to ball mill but has large diameter and short length. Vertical mill is used in grinding material at smaller particle sizes, which is used after ball mill.

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A Method of C alculating Autogenous/ Semi-Autogenous

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. These fi nes proceed to the ball mill improving the ball mill effi ciency. Also, the plotted rod mill P80 value, as shown in Figure 1, is 2900

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Autogenous AG & SAG Mills for Sale 911Metallurgist

20 to 30 TPH for gold ore SAG & Ball Mill duty; 25 to 40 t/h for copper porphyry SAG & Ball Mill duty; In Single Stage SAG duty, the approximate capacity reduces to only 8 to 13 TPH for gold ore duty. The autogenous mill itself is a coarse-grinding device,

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Autogenous mill, Ag Mill, Semi-autogenous Mill, Ball Mill

The working principle of the autogenous mill is almost the same as that of the ball mill. The difference is that the barrel body of the autogenous mill is larger, which does not use steel balls or any other grinding medium.

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Semi Autogenous Grinding Mill an overview

An autogenous mill of ID 6.7 m and an effective grinding length of 2.1 m was fed with ore of SG 3.8 to 20% of its volume. The mill was operated continuously 24 hours per day at 1200 t per day and 75% of the critical speed. The solids in the mill charge were at 80% solids. Estimate: 1. The power consumption per tonne per day. 2.

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Ball Mill VS Autogenous Mill-xinhai

Ball mill and autogenous mill can deal with non metal, ferrous metal, non ferrous metal, rare metal, and divided into dry and wet two types, to meet the needs of various materials. 02 II. The differences between ball mill and autogenous mill. 1. The differences of structure

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A Method of C alculating Autogenous/ Semi-Autogenous

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. These fi nes proceed to the ball mill improving the ball mill effi ciency. Also, the plotted rod mill P80 value, as shown in Figure 1, is 2900

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overflow ball mill and autogenous mill」 KATARINAS

autogenous ball mill for iron . Jun 22, 2018· Disc Mill For Sale. autogenous ball mill for iron offers 9451 disc mill for sale products. About 17% of these are grinding equipment, 3% are mine mill, and 1% are rice mill. A wide variety of disc mill for sale options are available to

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Autogenous and Semi-Autogenous Mills FLSmidth

Rely on our proven track record of SAG and AG Mill superiority. Since the early 1980s, we have been designing and manufacturing Semi-Autogenous (SAG) and Autogenous (AG) Grinding Mills 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.

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autogenous mill for mining

Ball Mill VS Autogenous MillXinhai. But the autogenous mill does not need the steel ball or the steel rod to participate in the mill only relies on the mineral itself as the medium realizes the autogenous mill therefore is suitable for the coarser material to sharpen. The autogenous mill can reduce the consumption of steel and thus reduce the

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AMIT 135: Lesson 7 Ball Mills & Circuits Mining Mill

Ball Mill Design. A survey of Australian processing plants revealed a maximum ball mill diameter of 5.24 meters and length of 8.84 meters (Morrell, 1996). Autogenous mills range up to 12 meters in diameter. The length-to-diameter ratios in the previous table are for normal applications. For primary grinding, the ratio could vary between 1:1and

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Practical 1 : Ball Milling TF Lab 1

Dec 23, 2013· Autogenous mill is a self-grinding mill which is used in breakage of larger rocks. SAG (Semi-Autogenous Grinding) mill is an autogenous mill which uses grinding balls, it is similar to ball mill but has large diameter and short length. Vertical mill is used in grinding material at smaller particle sizes, which is used after ball mill.

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20150821 Morrell Method-GMG-ICE-v01-r01 Morrell method

WiBM Bond Ball Mill Test Work Index (kWh/t) 3. KEYWORDS Autogenous Grinding (AG), Ball mill, Bond Work Index (Wi), Comminution circuit, High Pressure Grinding Rolls (HPGRs), Rod mill, Semi-Autogenous Grinding (SAG), Spe-cific energy (W) 4. INTRODUCTION AND BACKGROUND The Morrell method for predicting the specific energy

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semi autogenous mill in malaysia trianglesuites

ABC closed circuit, Autogenous Ball Mill Crusher. Another similar technique is the ABC open circuit where the crusher product feeds the ball mill rather than the autogenous mill. Crusher product is typical feed to a ball mill using large diameter balls but not much grinding of 20 25 mm ore can beplished in an autogenous mill.

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