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2013-2-16 The Copper Mountain SAG mill is 10363 mm [34 feet] long. They are overflow discharge ball mills with inside diameters of 7315 mm [24 feet] and grinding » More detailed

Get Price2021-7-14 SAG is an acronym for semiautogenous grinding SAG mills are autogenous mills that also use grinding balls like a ball mill A SAG mill is usually a primary or first stage grinder SAG mills use a ball charge of 8 to 21 The largest SAG mill is 42 128m in diameter powered by a 28 MW 38000 HP motor. More Detail; Used Processplants For Sale

Get Price2018-2-20 The Copper Mountain comminution circuit originally consisted of a 34' x 20' F/F SAG mill (17,000 hp - 12,677 kW), two (2) 24' x 39'6" ball mills (17,000 hp - 12,677 kW) and a Raptor XL900 pebble crusher (900 hp - 671 kW). The comminution circuit product (cyclone overflow) feeds the rougher flotation circuit. The circuit was originally designed for 35,000 tpd capacity (1585 mtph) with a final

Get Price2021-2-17 The Copper Mountain SAG mill is 10363 mm [34 feet] in diameter and 6096 mm [20 feet] long. It is a grate discharge mill with an inside diameter of 10363 mm [34 feet] and a grinding length of 5334 mm [17.5 feet]. The mill is driven by two 8,500 horsepower ABB motors. Figure 2 - The 34’ x 20’ SAG mill

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Get Price2013-12-22 I’ve got to explain this a little bit. This flowsheet is typical of lines 1 and 3. The SAG mill has a trommel on the discharge end of it. Oversize is returned to the mill by a bucket wheel and water jet. Trommel undersize was pumped to a vibrating screen where the screen oversize was sent back to the mill and the undersize was pumped to the cyclone

Get Price2020-6-1 CASE STUDY: Copper Installation THE SCENARIO: Using the current footprint, the customer wanted to replace an existing screen in a Sag Mill copper installation with a General Kinematics STM-SCREEN™. The SAG discharge screen experienced surges of material (25%-40% solids) from the SAG mill, which overloaded their existing screen. During

Get Price2021-7-13 5 years ago. Subhash-Kumar-Roy 5 years ago. Like. P80 sag mill product is the 80 % passing particle size in sag mill discharge is true, and about solid, I mean solid content of ore (%) in sag mill (mass of dry ore/ (mass of dry ore+mass of water) S. Sturmbann.

Get Price2021-7-10 You may find more information regarding the SAG discharge if you search them as "scats" (broken ball chips). Safety Notes; they result from internal stresses in the balls impact and heat energy in the SAG mill causing a Martensite transformation in the ball (Crystals form in the metal) and they have a potential to rupture with very sharp edges.

Get Price2017-12-21 • Jameson Cell then treated cyclone overflow plus IsaMill discharge • Jameson Cell still produced high grade copper concentrate at 26% to 29% Cu grade at 55% to 60% copper recovery • The recovery of the coarser size fraction was lower due to the locking and lower liberation in the size fractions

Get Price2013-2-16 Paper # 25 – Copper Mountain Overview on the Grinding Mills and The Copper Mountain SAG mill is 10363 mm [34 feet] long. They are overflow discharge ball mills with inside diameters of 7315 mm [24 feet] and grinding »More detailed

Get Price2020-6-1 The existing SAG Mill Discharge screen had a single deck design of 3.6m x 8.5m and handled less than 1,900 TPH when screening at 13mm. This quickly became the process limitation. In an attempt to assist the movement of material off the deck and reduce the frequency of overloads, the customer decided to incline the screen and upgrade the drive.

Get PriceE. Azimi, S. Banisi, G. Langarizadeh, and M. Dehgani, "Investigating Sarcheshmeh Copper Complex SAG mill Discharge Grate Performance," Daneshkade Fanni Tehran ...

Get Price2021-4-12 One of three Beast SAG mill discharge screens at Cobre Panama’s processing complex “Despite the challenges of COVID, we are currently doing well as we work towards our 85 Mt/y continuous throughput target. Also, over the last 6-12 months we have scoped some concurrent, complementary projects that should allow us to reach 100 Mt/y and beyond.”

Get PriceThe discharge grates of the SAG mill were identified as a key component in the SABC circuit, and their design is a crucial factor in the mill’s performance [17,18,19,20,21]. The initial design of the grate section caused a serious accumulation of pebbles within the SAG mill

Get Price2021-3-1 Trans. Nonferrous Met. Soc. China 31(2021) 792âˆ’806 Interaction effects of flotation reagents for SAG mill reject of copper sulphide ore using response surface methodology Ali AHMADI, Mojtaba REZAEI, Seyed Mohammad SADEGHIEH Department of Mining Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran Received 25 March 2020; accepted 15 January 2021

Get Price2020-10-15 The mill has a diameter of 3.8m and an EGL of 6.6m. The mill will be charged with high chrome grinding media at a diameter of 40mm by means of the grinding building hoist and a ball kibble. The discharge reports to the cyclone feed hopper, where it combines with the SAG mill discharge and will be pumped to the mill cyclones. Flotation

Get PriceCopper has been weakly and irregularly re-precipitated in the upper zones of the deposits. Secondary sulphides are dominantly chalcocite with minor covellite and rare native copper. ... Discharge from each SAG mill will be cycloned to recover the finished product whilst unfinished product will be evenly split between two ball-mill circuits. The ...

Get Price2019-11-26 Based on the high throughput and coarse grind, AG mills produce coarse grinds often classify mill discharge with screens and trommel. SAG mills grinding media includes some large and hard rocks, filled rate of 9% – 20%. SAG mill grind ores through impact, attrition, abrasion forces.

Get Price2018-10-1 A MATLAB-based fuzzy expert control system has been developed, verified and validated by real operating data from Sungun SAG mill copper grinding circuit. Installation of the FECS as a supervisory controller on the Sungun DCS control system showed an increase of 3.26% in mill throughput and decrease in feeding fluctuations by 26.01%.

Get Price2020-6-1 The existing SAG Mill Discharge screen had a single deck design of 3.6m x 8.5m and handled less than 1,900 TPH when screening at 13mm. This quickly became the process limitation. In an attempt to assist the movement of material off the deck and reduce the frequency of overloads, the customer decided to incline the screen and upgrade the drive.

Get PriceE. Azimi, S. Banisi, G. Langarizadeh, and M. Dehgani, "Investigating Sarcheshmeh Copper Complex SAG mill Discharge Grate Performance," Daneshkade Fanni Tehran ...

Get PriceSAG Mill Liners for Discharge Grate Special Features: The material of SAG mill liner castings are low C or high C Cr-Mo Alloy steel,which depends on the specific working condition of the SAG mill. The hardness of AS2074 L2B is HB310-HB380. We can make big size SAG mill liner castings with Sodium Silicate Sand Process Resin Sand Process.

Get PriceSAG mill and two ball mills in closed circuit with cyclones. Two pebble crushers treat the SAG mill discharge trommel screen oversize material. The crushed product is combined with the SAG mill feed. Project economics dictated maximum throughput through a single line comminution circuit. Hence the selection of some of the largest

Get PriceThe discharge grates of the SAG mill were identified as a key component in the SABC circuit, and their design is a crucial factor in the mill’s performance [17,18,19,20,21]. The initial design of the grate section caused a serious accumulation of pebbles within the SAG mill

Get Price2015-1-1 It is also possible to use the −1″ fraction that shows a positive effect on the SAG mill throughput (the power consumption decreases, but the specific energy decreases more) because the mineral goes faster to the mill discharge, leaving a greater part of

Get Price2020-10-15 The mill has a diameter of 3.8m and an EGL of 6.6m. The mill will be charged with high chrome grinding media at a diameter of 40mm by means of the grinding building hoist and a ball kibble. The discharge reports to the cyclone feed hopper, where it combines with the SAG mill discharge and will be pumped to the mill cyclones. Flotation

Get Price2021-7-10 the product of a gyratory crusher. The discharge of the SAG mill is transferred onto a vibrating screen. The oversize material is crushed in a pebble crusher, and the undersize is combined with the ball mill (6.71 × 9.91 m) discharge and sent to the cyclones. The SAG mill in phase 1 uses two 4100 kW synchronous motors and works

Get Price2019-11-26 Based on the high throughput and coarse grind, AG mills produce coarse grinds often classify mill discharge with screens and trommel. SAG mills grinding media includes some large and hard rocks, filled rate of 9% – 20%. SAG mill grind ores through impact, attrition, abrasion forces.

Get PriceCopper has been weakly and irregularly re-precipitated in the upper zones of the deposits. Secondary sulphides are dominantly chalcocite with minor covellite and rare native copper. ... Discharge from each SAG mill will be cycloned to recover the finished product whilst unfinished product will be evenly split between two ball-mill circuits. The ...

Get PriceE. Azimi, S. Banisi, G. Langarizadeh, and M. Dehgani, "Investigating Sarcheshmeh Copper Complex SAG mill Discharge Grate Performance," Daneshkade Fanni Tehran ...

Get Price2019-10-9 The thesis has provided improvements to the previous AG/SAG mill discharge understanding in terms of discharge rates and grate classification in relation to mill load and operating parameters. Page iii Declaration by Author This thesis is composed of my original work, and contains no

Get PriceAG/SAG mill based circuits and this has impacted on the ability of companies to obtain funding. ... particularly if the discharge performance in the SAG mill is not carefully considered. Sossego The Sossego project (Delboni et al., 2006 and Bergerman et al., 2009) treated a higher copper ... The project was the first copper operation for Vale

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Get Price2020-10-15 The mill has a diameter of 3.8m and an EGL of 6.6m. The mill will be charged with high chrome grinding media at a diameter of 40mm by means of the grinding building hoist and a ball kibble. The discharge reports to the cyclone feed hopper, where it combines with the SAG mill discharge and will be pumped to the mill cyclones. Flotation

Get PriceCopper has been weakly and irregularly re-precipitated in the upper zones of the deposits. Secondary sulphides are dominantly chalcocite with minor covellite and rare native copper. ... Discharge from each SAG mill will be cycloned to recover the finished product whilst unfinished product will be evenly split between two ball-mill circuits. The ...

Get Price2016-12-2 the SAG mill and ball mill was 8658 kW, which caused partial over-grinding. From experience in processing plants outside of China, the power rating of the ball mill should be higher than that of the SAG mill [5]. The pebble crusher had an over-powered configuration. The installed power draw of 630 kW

Get Price2021-7-1 In 2001, Los Pelambres decided to install pebble crushing to improve the SAG mill performance, and Bechtel designed an upgrade programme to raise the throughput to 114,000t/d. FFE supplied a redesigned SAG discharge system for the project. The

Get Price2021-7-1 The Mt. Mulligan mine produces ore of low-grade copper-gold. It has a capacity to grind approximately 2,717t per hour at 92% availability. The 12m semi-autonomous grinding (SAG) mill is powered by a 23.5MW gearless motor drive. The

Get PriceNevada Copper Step Out Drilling Expands the Open Pittable North Deposit: Intersecting 190 Feet of 0.76% Copper and 132.5 Feet of 0.75% Copper; Nevada Copper Closes $23.7 Million Bought-Deal Private Placement Financing; Nevada Copper Drills over 650 Feet of Greater than 0.70% Copper in Three Separate Intervals including 126.5 Feet of 1.38% Copper

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