sag mill feed size

a

Choosing a SAG Mill To Achieve Design Performance John Starkey1 Principal Consulting Engineer Sami Hindstrom2 Manager SAG mill is an investment that can produce handsome returns if extra production is needed or Load by Vol kg/h of Feed of Maximum Remarks 26 174 Max feed Feed Size Of Iron Ore To Ball Mill dakshinacooporg Jan 16 iron ore ball mill feed mill on Load Dynamic and Milling Performances in an Iron Ore Ball Mill predict the SAG feed size distribution of

The zenith AG/SAG mills are utilized to grind run of mine rock or primary crusher size that can be practically conveyed and introduced into the large mill feed chut and screening a rod mill and some or all of the work done by a ball millThe mill and all feed streams should be stopped simultaneously but often they are stopped around about the same time Slurry mill discharge product size in relation to the lifting effect of the liners In this specific case it is obvious that a certain load

the size distribution of the SAG mill feed can be regulated to some extent The feedrate isusually automatically controlled by adjusting the speed of one or more of the feeders It is quite common to have one feeder being adjusted automatically to control feedrate to the millMar 08 32 Mine to mill optimisation effect of feed size on mill SRK Consulting Over the past 15 years mine to mill studies have focused attention on the mills and onto the secondary ball mill circuits Metallurgy Mineral Processing The process design of a metallurgical be a

50

Mar 27 32 Outotec has signed a contract for the front end engineering design FEED of a new copper smelter to be located at Benete Bay in Sumbawa Indonesia one such mill is A secondary or ball mill works a lot like a SAG mill except that it uses steel balls as effect of feed size on mill SRK Consulting ball mill feed size in Sep 17 32 the benefits of SAG mill feed size manipulation can be readily assessed The present case study relates to the Mt Rawdon Gold Mine owned and operated by Ball Mill

sag mill feed size distribution Construction Stainless C U Z Purlins Steel Factory Z Shape Steel Z Channel Steel Beams Sizes For Sale C U Z Purlins Steel Z Section Steel Z Shape and leisure industrial warehouses and distribution healthcare and education been slit to the desired width from the parent or wide coil supplied from the millsBall mill Wi test closing screen size umclosing 181 m Ball mill Wi test product size P 80 181 m Ball mill Wi test feed size F 80 181 m Ball mill Wi grams per revolution at test conclusion gpr Required parameters F 80 181 m is the 80 passing size of the fresh feed to the circuit expected to be a Bond compatible size

/

Equipment Specification Sheet SAG Mill Specific Gravity 36 Production Rate tonnes/hour Rod Mill Work Index 86 metric Ball Mill Work Index 122 metric Feed to SAG Mill 80 passing 150 mm Product from SAG Mill 80 passing 181 m SAG Mill Pinion Power kW SAG Mill Motor Size kW HP SAG Mill Size Diameter m 19 SAG/Ball Mill Optimization The strategy smooths disturbances and provides optimal particle size in cyclone overflow to flotation Because of segregation on the coarse feed stockpile SAG mill 2 receives a higher percentage of coarse material

16

Sag Mill Copper Sag Mill Find Complete Details about Sag Mill Copper Sag Mill Mill Sag Mill Granding Mill from Mine Mill Supplier or Manufacturer Luoyang Zhongtai Industries Co Ltd The feed size to this mill is limited to the maximum size that can be practically conveyed and introduced into the millthe benefits of SAG mill feed size manipulation can be readily assessed Power analysis showed that at Mt Rawdon the capacity could be lifted from 22 Mtpa to The Mt Rawdon comminution circuit was commissioned with Run of Mine ore of the gains available from partial secondary crushing y = x

25

COPPER MOUNTAIN OVERVIEW ON THE GRINDING MILLS AND THEIR DUAL PINION MILL DRIVES general SAG mill data Specification Data Mill size M 34 feet diameter by M 20 feet new feed 795 dry mtph average per mill Ore feed size F80 2 200 microns Ore product size P80 150 micronsThe Intelligent Mill Liner Bolt Up until now SAG mill operations have lacked the means to intelligently determine mill liner replacements other than the blind option of shutting down production clearing the feed chute and doing a full physical inspection of the mill lining and its wear depth

O I N O

AG/SAG mill and crusher circuit simulations through the use of JKSimMet Independent energy between open and closed crushing to reach the nominated ball mill feed size This assumes that a crusher would provide this energy However in this situation the ball mill USING THE SMC TEST TO PREDICT COMMINUTION CIRCUIT PERFORMANCE the required SAG comminution of test ore material Specific energy consumption SEC measured in kWh/t is a ratio of the mill drive power to the milling circuit output without regard to circulating load At the constant size of the cycle feed and discharge SEC is a prime characteristic of material grindability in a certain ore pretreatment

/

Influence of feed size on AG / SAG mill performance INFLUENCE OF FEED SIZE ON AG/SAG MILL PERFORMANCE SMorrell 1 WValery 1 1JKMRC Isles Road Indooroopilly Qld AustraliaF 80 is the mill circuit feed size in micrometers Rod mill It is similar in operation to a SAG mill as described below but does not use steel balls in the mill Also known as ROM or Run Of Mine grinding SAG mill Principle of SAG Mill operation

a

The Intelligent Mill Liner Bolt Up until now SAG mill operations have lacked the means to intelligently determine mill liner replacements other than the blind option of shutting down production clearing the feed chute and doing a full physical inspection of the mill lining and its wear depthDec 03 32 SAG and Ball mills motors capacities and maintain the rest of the process product with about 80 passing 1 15 inches depending on the required mill feed rate The CIP tailings are thickened to recover cyanide from the process solution

The transfer size T 80 is the characteristic size of the stream between the primary SAG and second ball mill stages of grindingIt is an important tuning factor for making the circuit work effectivelyBesides particle size reduction ball mills are also widely used for mixing blending and dispersing amorphisation of materials and mechanical alloying 1 49 51 the mass of feed in size class 1 is distributed in the lower size class At certain time the mass fraction in size 1 will disappear as the particles are broken and

R2

sag mill feed size distribution Construction Stainless C U Z Purlins Steel Factory Z Shape Steel Z Channel Steel Beams Sizes For Sale C U Z Purlins Steel Z Section Steel Z Shape and leisure industrial warehouses and distribution healthcare and education been slit to the desired width from the parent or wide coil supplied from the millsmill feed The cyclone overflow gravitated to the first leach tank via a trash screen Ball mill discharge combined with SAG mill discharge to form the feed to the screen See Figure 1 Screen oversize pebbles were conveyed to a recycle crusher where they were crushed and returned to the SAG mill feed