calculating ball mill throughput rock crusher motor type

Comminution conundrum - InfoMine

Feb 7, 2007 ... another supplier's 300 kW roller bearing type crusher. Since the ... Mobile crushing, and associated rock handling systems ... will have a 21 MW ring motor. There are to ... crusher, SAG mill and ball mill. Signing of .... the high mill throughput required. And .... still used) method of just measuring the torque.”.

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Mill (grinding)

A mill is a device that breaks solid materials into smaller pieces by grinding, crushing, or cutting. Such comminution is an important unit operation in many processes. There are many different type...

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UBC MINE331 Lecture Notes - SAGMILLING.COM

Nov 11, 2015 ... SUBJECT: SAG MILL + BALL MILL CIRCUIT SIZING ... ticular F80 and P80) is a property of the rock and any difference in specific ... tiplying the specific energy by the desired throughput. Then a motor size and mill geometry is chosen that will ... Figure 3: Rod mill for determining Bond rod mill work index.

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Design of the 40 foot SAG Mill Installed at the Cadia Gold ... - zenith

The SAG mill cost $12.2 million, whilst the SAG mill motor cost A$8.8 ... Crushing. Work Index. Rod Wi Ball Wi. UCS. Point Load Index. Rock Type. kWh/t. kWh/t.

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Grinding Circuit Design for Adanac Moly - SGS

hardness of each block in terms of both SAG and Ball milling with allowance for annual ... to achieve a specified throughput and product size is then calculated from one ... further measure, the Minnovex crusher ... e.g. lithology, alteration, rock type, and ..... Table 4: Motor Power specified for mills after various considerations.

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Experience with small ball mills? [Archive] - AMDS Adventure Forum ...

Hi, We are building a small ball mill, and I wondered if anyone had experience with such things. It's purpose is to crush about 100lbs of ore at a time into small powder ... it to be production, and are interested in using the motor we have. ... fine to mill the rock to recover its gold content, conduct a ball mill test.

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Are SAG mills losing market confidence? - Ausenco

plant throughput for SAG mill-based projects, particularly in North America. .... The design SAG mill specific energy was calculated on the basis of the pilot plant results, ... motor rated at 13.4 MW and two ball mills each powered by a 7 MW motor. ... primary crusher closed-side-setting (CSS) depending on the ore type,.

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OVERVIEW ON THE GRINDING MILLS AND THEIR DUAL ... - ABB

KEYWORDS. SAG mill, ball mill, ring gear, dual pinion, drive systems, variable speed ... the installation of a new primary crusher and conveyer system. ... Mill type. Wet grinding, grate discharge. Mill drive motor size. 17,000 HP ... Throughput rate (new feed) ..... mill will start to rock forward and backward for several minutes.

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IMPROVING ENERGY EFFICIENCY VIA OPTIMIZED ... - OSTI

MOTION AND SLURRY FLOW IN PLANT SCALE SAG MILLS ... unscheduled shut downs to repair broken liners and the mill throughput .... 4.3 Heavier cast liner weight the mill shell and its effect on mill motor power draw. ..... Figure 2 shows the accumulated slurry, rocks and balls in the mill upon entry during the crash stop.

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Paper 38-Development of the Detour Lake Grinding Circuit ...

main rock types for each of the three main zones (Table 1). Ore zones were .... information; SAG and ball mill installed motors of 2,823 kW (total), daily tonnage of.

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Report on Mill Comminution Testing

Feb 25, 2013 ... semiautogenous grinding (SAG) Mill Comminution (SMC) testing. Upon receipt, the ... The results of the evaluation were sent to JKTech to determine the. JKSimMet .... ore type characterisation for the JKSimMet crusher model. ... related to the JK rock breakage parameters A and b and hence can be used to.

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OMC Power-Based Comminution Calculations for Design, Modelling ...

The desired throughput of the mill is multiplied by the specific energy to give the mill ... conventional crushing and grinding circuits (crusher-rod-ball mill or ..... to determine the relationships between ore competency, lithologies, rock types and .... equipment power, such as crusher no-load, motor/pinion drive train losses and...

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Meadowbank Mine Process Plant Throughput Increase - CEEC

SAG and Ball mills motors capacities and maintain the rest of the process unchanged. ... Throughput increase, Secondary crusher, Ore hardness, Gold recovery, Close .... depending on the ore type and its hardness. ... XL 900) has throughput capacity of 625 tph while the cone crusher is used to reduce rock size from 6” to.

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