The SAG mill disch arges onto a , In both cases there is a discernible improvement in mill load behaviour and power draw with the optimised liner which clearly indicates the benefit of liner ,

Get PriceThe instrumentation installed on a SAG mill is integral to control For example, the mill load and noise sensors are instruments that provide essential information for an optimized SAG mill operation Insufficient understanding of the ore characteristics and feed composition can result in an ineffective SAG mill ,

Get PriceThe design of a ball mill can vary significantly depending on the size, the equipment used to load the starting material (feeders), and the system for discharging the output product The size of a mill is usually characterized by the ratio “length to diameter” and this ratio most frequently varies from 05 to 35 The

Get PriceSAG Mill A SAG mill is characterized by its large diameter and short length , by the horsepower available to turn the mill and the and the maximum weight the hydrostatic , (ML1105-07) 6000 mm x 10500 mm Thune SAG mills 3600 kw , 13 Jun 2013 ,

Get Pricesiz The results of these studies showed that a single line 40 ft SAG mill circuit gave the best project economics Further work was followed up to optimize the 40 ft SAG mill size with the results showing that a slightly more expensive 42 ft SAG mill with equivalent power to the 40 ft SAG mill enhanced the project economics

Get PriceWhen SAG mill liner bolts loosen, break or stretch beyond limits, liner impairment and degraded performance are generally next on the agenda, followed by mill stoppage for repair or replacement , The Sealing Mill Ridgeback liner bolt was designed and evaluated to prevent problems related to load distribution or slurry leakage According to ,

Get PriceWhere x = the load in the mill expressed as measured % by volume and y = kg/h of feed This information is based on observed throughput reductions caused by loading the 3-ft SAG mill to over 26% by volume Using this information, the detriment to throughput, expressed as a % of maximum throughput can be calculated The results are shown in ,

Get PriceSAG mill control fundamentally means managing the load in the mill by adjusting the feed rate of ore to the mill and/or manipulating the rotational speed of the mill The best way to measure load is to mount the mill on load cells The load cells are calibrated to measure the total weight of water, grinding media (balls) and ore in the mill ,

Get PriceSAG mill powerdraw [kW] SAG mill load cell [t] Cyclone feed water addition [m 3/hr] Cyclone feedrate [m /hr] Cyclone feed density [% solids w/w] Oversize c rusher feedrate [t/hr] Ore is fed to the SAG mill for primary grinding The mill discharge is screened with the oversized material

Get PriceSAG mill was crash stopped using the air brak Figure 6 shows the snapshot of DEM simulation and the picture taken after crash stop at 9 O’clock Figure 5: Pebbles carry-over inside the pulp lifter a) in 36-ft SAG mill, and b) DEM simulation This work confirms that there is a significant quantity of coarse pebbles always remaining inside

Get PriceThe SAG Mill is a block added by the EnderIO mod A machine similar to a Pulverizer or a MaceratorIt is used to process resources to produce dust It accepts energy in the form of Redstone Flux or Minecraft Joule, with an internal buffer of 100,000 RF and consumption of 20 RF per tickThe energy storage capacity and processing speed can be increased by adding one of 3 tier of Capacitor into ,

Get PriceSAG mill #1 load control Plant staff, after extended testing and rigourous data analysis, determined that BrainWave reduced load variability by 14% while increasing production by 15% This was a great success for everyone involved Assuming a copper price of 4 USD/lb, ANDRITZ AUTOMATION estimates that BrainWave SAG mill led to an extra 12M USD

Get PriceFrequent and automatic mill load adjustments SAGwise uses acoustic sensors and proprietary process control software to predict and adjust the SAG mill operation according to impacts on your mill and other main process variabl The acoustic sensors ensure regular and accurate adjustments to mill loading

Get PriceThis is a "grind-out" situation in a SAG mill where the feed rate is insufficient to keep the SAG mill at the specified load level The reduced total filling causes the power draw to drop until the necessary power draw is achieved

Get PriceMay 21, 2010· 40 foot SAG-mill walk-around SAG MILL Hindustan Zinc Limited (HZL) RAMPURA AGUCHA ZINC MINES - Vedanta Resources - Duration: 1:08 Suryajeet Kumar Jha Recommended for you

Get PriceFigure 6 High Fidelity Simulation snapshot of DEM ball and particle motion in an entire SAG mill This high fidelity full mill simulation has permitted prediction of 3D motion of balls and particles, mapping of power draw, impact energy dissipation and shear work done by balls and particles on the liners as a function of distance down the mill ,

Get PriceThe 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

Get PriceThe SAG mill feed is controlled by the mill weight, measured by 4 load cells on the mill bearing system Therefore if the ore does not grind quickly enough in the SAG mills, the mill weight increases and the control system reduces feed to the mill to maintain the desired mill weight

Get PriceMill speed can be adapted to upstream and downstream processes – avoids overgrinding, and optimizes load distribution between SAG and ball mill (Mular, Halbe & Barratt, 2002) Power consumption is influenced by load respectively torque and mill speed This means that further energy can be saved if a mill speed below the rate speed is re-

Get PriceThe load movement inside of a SAG mill can be monitored through the audible impacts of the falling stream of ore and grinding media with themselves and with the mill liners The mill noise is a mixture of many different sound sourc The main source is the large number of small shocks between load components during tumbling of

Get PriceOct 19, 2020· The SAG Mill is a machine added by Ender IOIt uses Micro Infinity (µI) to grind (or mill) items into their crushed variants, like Ores into DustsThe SAG Mill has four output slots; recipes can have 1-4 different outputs, with different chances of obtaining those outputs Uniquely, the SAG Mill can use Grinding Balls made from various materials to increase energy efficiency (resulting in ,

Get PriceAG/SAG mill is inefficient in grinding particles of a certain size, typically in the range of 25-55 mm, ie, pebbl Therefore, cone crushers are often used as pebble crushers and integrated into AG/SAG mill circuits to break the critical size particles that accumulate in the mill and to increase the performance of the primary grinding circuits

Get PriceSAG mill, power model, power draw, Austin model, Morrell C-model, Hogg & Fuerstenau model , consists of a friction balance between concentric layers within the rising part of the mill load The model contains a great deal of physics and geometry, and uses some empirical parameters that have been fit to

Get PriceWhere the SAG mill/ball mill circuit is the bottleneck in the processing plant the pebble circuit can be a significant factor in limiting overall plant capacity The pebble circuit recirculating load can be very significant (depending on the ore characteristics and SAG mill operating dynamics)

Get PriceSAG mill control fundamentally means managing the load in the mill by adjusting the feed rate of ore to the mill and/or manipulating the rotational speed of the mill The best way to measure load is to mount the mill on load cells The load cells are calibrated to measure the total weight of water, grinding media (balls) and ore in the mill ,

Get PriceThe product from the SAG mill is further reduced in size using pebble crushers and ball mills Hence, typical gold or copper ore requires between 20 and 75 kWh per ton of energy to reduce the particle size Considering a typical mining operation processes 10,000 to 100,000 tons per day the energy expenditure in grinding is 50 percent of the ,

Get PriceJun 17, 2012· Boltprep Gearless Sag mill running after bolt elongation checks carried out

Get PriceThe design of mill liners and SAG mill discharge grates will have a large effect on how efficiently the mill operates and the circuit throughput All models generally assume that a mill is fitted with "efficient" liners and that the grate design neither limits passage of pebbles (and pulp) nor permits re-circulation of pulp back into the mill

Get PriceA SAG mill is characterized by its large diameter and short length It rotates, tumbling its contents violently , causing a breaking action The mill is lined with wear resistant steel liners which are fitted with lifters to assist with raising the load The liners are replaced as ,

Get Price