ball mills in collahuasi

Literature Review: Gearless Motor Failures – A Mill ...

2014-9-10 · The Collahuasi motor was for a 40 ft SAG mill. The Antamina 38 ft SAG mill was also driven by an ABB motor and the hanger plates had not failed on that machine after several years of operation. ... The measured stress ranges at the toes of the welds at the can-to-can flange in the Antamina ball mills were slightly higher than those obtained ...

Mining Magazine Awards 2020: the winners

2021-1-20 · The ball mill upgrade at the Collahuasi mine in Chile not only increased processing capacity by 4.4%, it was also carried out in 13 days less than originally projected, which meant a 21% saving in time, positively impacting the availability of …

ABoughey(Pty(Ltdat(Collahuasi(M Chile

2021-3-8 · A Boughey Pty Ltd Technical Management & Consulting Suite 4, 523 King Georges Road Beverly Hills NSW 2209 Australia Ph: +61 2 9570 3086!

AN 225 transports Siemens motors to Collahuasi

2017-2-15 · AN 225 transports Siemens motors to Collahuasi. Coordinating tight schedules with the transport of unusual cargos calls for out-of-the-ordinary solutions, according to Siemens. 85m in length and with capacity for 160t of …

Siemens Modernizes Drive Systems for Chilean Mills | E & MJ

2020-4-8 · Siemens has been commissioned to modernize the drive systems for four mills at the Collahuasi copper mine in northern Chile. The company will supply complete state-of-the-art drive systems comprising new motors and Flender couplings with torque limiting shear pin as well as new Sinamics SL150 cycloconverters with thyristor stacks.

Major Mines & Projects | Collahuasi Mine

The Collahuasi district is located in Northern Chile, Tarapacá Region, and hosts large Copper-Molybdenum porphyry-type deposits: Ujina, Rosario a high sulphidation vein deposit as Rosario Oeste and a oxide copper deposit as Rosario Sur. Mineralisation at Rosario and Ujina is mainly associated with veins, especially in Rosario.

Siemens modernizes drive system for ore mills in Chile ...

2017-2-14 · As one of the world''s biggest copper ore operations, the Chilean mining company Compañía Minera Doña Inés de Collahuasi SCM based in Las Condes/Chile commissioned Siemens to modernize the drive system of four of its ore mills. The mine is located in the North of Chile, around 180 kilometers southeast of the port of Iquique.

Geometallurgical Modelling of the Collahuasi Grinding ...

2014-12-18 · Ball Mill P (KW) Pebble Crusher P80 JKSimMet Simulation Bond Equation tph tph T80 1.-The instantaneous throughput was increased for each iteration. 2.-SAG Mill was simulated using JKSimMet. For each iteration, the SAG mill power draw, total load and transfer size were recorded as shown in the table below. 3.-

Ball mill upgrade at Collahuasi increases processing ...

2020-2-24 · Ball mill upgrade at Collahuasi increases processing capacity by 4.4%. The upgrade was achieved without safety incidents in 71 days, 13 days ahead of the initial schedule. It involved changing the rotor, GMD system stator and redesigning the mill discharge to achieve an increase in both available power and the level of filling required to treat ...

NAME: CHRISTOPHER MEIMARIS Managing Director, …

2014-10-16 · This work involved design audits of mills developed by all major mill suppliers. The mills were some of the largest in the world including the Collahuasi SAG and ball mills (40 ft and 26 ft respectively) and the 40 ft AG mill at Cape Preston. 2. Failure Analysis and Remedial Design: Antamina Ball Mills (Antamina); Red Dog Mine SAG

A novel approach to the geometallurgical modelling of the C…

Major Mines & Projects - miningdataonline

ballmill masbate | worldcrushers

2013-4-16 · gold minning ball mill in Makati, Manila, Philippines …. Video: Gold Ore Ball Mills and Floatation Cells. …. The project is around the island of Masbate, about 350km south of the Philippines capital, Manila. This entry was posted in Uncategorized. Bookmark the permalink . Please Feel free to give your inquiry in the form below.

A novel approach to the geometallurgical modelling of the ...

2009-10-1 · The ball mills work in a reverse classification circuit, in which the hydrocyclone underflow feeds into the ball mills and the hydrocyclone overflow is sent to the flotation circuit. The current daily average throughput of Collahuasi''s grinding circuit is 130,000 metric tonnes per day with an average product size ( P 80 ) of approximately 200 ...

Ball Mill VS VRM | Mill (Grinding) | Cement

2019-4-11 · WEL COME. TO FAUJI CEMENT Ball Mill Vs Vertical Roller Mill Preamble To educate the participant about the suitable grinding units in cement industry. To create a discussion forum and healthy environment for sharing knowledge. To provide a plate forum for the selection of grinding technology for future. Introduction Cement manufacturing is highly energy …

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Minera Centinela, Chile

2021-9-9 · The concentrator''s comminution circuit has what is known as a SABC-B configuration. This comprises a single 40ft x 24ft SAG mill followed by two ball mills in parallel. Pebbles from the SAG mill are crushed and rather than being returned to the SAG mill as in a SABC-A circuit are sent directly to the ball mill circuit.

Electrical equipment for Collahuasi | ABB

In 2001, ABB received an order comprising drives and ring motors for one SAG mill and two ball mills. In the same year ABB also won a contract for electrical …

Erection and Commissioning Issues for Large Grinding Mill ...

2001-1-1 · An overview of the equipment and design ratings of these circuits is also provided LLAHUASIOverviewThe Collahuasi mills were started-up in November of 1998. The site is located in the Andes Mountains at an elevation of 4300 meters. The grinding circuit includes two lines featuring one SAG mill and one ball mill for each line.

Geometallurgical Modelling of the Collahuasi Grinding …

2020-3-24 · ball mills and the hydrocyclone overflow is sent to the flotation circuit. The current daily average throughput of Collahuasi´s grinding circuit is 130.000 tons per day with an average product size (P80) of approximately 200 microns.

ANDRITZ to deliver Advanced Process Control system for ...

2014-4-1 · ANDRITZ AUTOMATION, part of international technology Group ANDRITZ, has received an order from Compañia Minera Doña Ines de Collahuasi to supply an Advanced Process Control solution for the secondary grinding operations (including integration with the primary grinding process) at the Ujina Concentrator copper deposit in Iquique, Region de …

Project Development South America Region

2011-1-1 · G 2 Balls 4 Project scope includes the addition of a second SAG mill and a fourth ball mill to increase throughput Capacity expanded 38% from current 94ktpd to 130ktpd Indicative capital cost: US$1.3 billion () Over 4,900 construction workers on project Description

Siemens to deliver automation systems for Chilean mining ...

2017-2-15 · Siemens to deliver automation systems for Chilean mining company . February 15, 2017 - As one of the world''s biggest copper ore operations, the Chilean mining company Compañía Minera Doña Inés de Collahuasi SCM based in Las Condes/Chile commissioned Siemens to modernize the drive system of four of its ore mills.

Collahuasi | References | Siemens Bulgaria

As the reliability and throughput of their mills is crucial to the company''s success, Compañía Minera Doña Inés de Collahuasi SCM was looking for a solution to modernize four copper ore mills at their site in the North of Chile, around 180 kilometers southeast of the port of Iquique. The decision was made in favour of Siemens, resulting ...

Collahuasi case study

2020-4-5 · Collahuasi operation is ball mill capacity limited so SAG was tested for wider energy consumption for different size. Blast design was incorporated in the simulation for different feed size and the results were recorded. The procedure where carried out using A*b data for each domain (UGM) and the associated throughput and transfer size was ...

World''s biggest copper mines

2019-1-18 · Located in Sonora, Mexico, the Buenavista del Cobre mine is also known as Cananea. It is also one of the world''s biggest copper mines by reserve. Opened in 1899, Cananea is one of the oldest open-pit mines in North America. The mine extracts the porphyry copper deposit lying within the southern Cordilleran region.

Industrial Solutions Project Brief

2018-5-9 · ABB also provided Collahuasi with drives and ring motors for one SAG mill and two ball mills. Powerful ABB gearless drives, rated at 15.5 mega-watts each, drive two eight-meter (26 feet) diameter ball mills that grind small pieces of ore at eleven revolutions per minute. However, the plant''s showpiece is the world''s largest gearless mill drive.

ball mill economic capacity

Ball mill upgrade at Collahuasi increases processing capacity by 4.4%. The upgrade was achieved without safety incidents in 71 days, 13 days ahead of the initial schedule. It involved changing the rotor, GMD system stator and redesigning the mill discharge to achieve an increase in both available power and the level of filling required to treat ...

Standing the environment

2021-2-17 · Collahuasi". The company operates the copper mine in Chile, which is the fourth largest in the world. The first order to monitor and control the mine''s total production on-line Based on an Advant control system. In 2001, ABB received an order compris-ing drives and ring motors for one SAG mill and two ball mills. In the same year ABB also won

SAG Mill Grinding Circuit Design

2016-6-6 · These mills typically grind ROM ore in a single stage. A large example of such a mill was converted from a single-stage milling application to a semi autogenous ball-mill-crushing circuit, and the application is well described. This refers to high-aspect AG/SAG mills. Ball Charge Motion inside a SAG Mill. With a higher density mill …

Analyst & Investor Presentation November 2018

2019-5-14 · • Collahuasi is located in the Region of Tarapaca in Northern Chile • The operation is located in the high Andes between 3,000 and ... • 3 SAG mills and 4 ball mills with sequential flotation (3 lines) • 36 rougher cells 127m3 & 24 300m3 • 27 cleaner cells 127m3 & 27 160m3

(PDF) Developments in AG / SAG mill modelling

Grinding circuit data and ore samples were collected from nine industrial ball mills of diameters 3.2-5.5 m. For each of the ores tested there is a simple relation between the parameter and ...

SAG MILLS OPTIMIZATION: IMPLEMENTATION AND …

2014-12-18 · • Antamina´sSAG mill has the worst condition of slurry evacuation in trommel: α = 222 m 3/h/m 2 • Esperanza and Escondida´sSAG mills have high values of α, but they have a screen • Trommel of 40 feet SAG mill of Collahuasi has an high value of α = 172 m 3/h/m 2. Open Pulp Free Flow by Free SAG 1011 Area, % Flow, m 3/h Area, m 2 Area ...

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2017-8-31 · The largest Ball Mills to be commissioned is the 26'' x 38'' Ball Mills at the Collahuasi copper mine in Chile. Those mills are operating and performing as expected. During the period between 1990 and 2004, our records show the following quantity of Rod/Ball ...

Ball mills

Outotec has designed, manufactured and installed over 8,000 ball and pebble mills all over the world for a wide range of applications. Some of those applications are grate discharge, peripheral discharge, dry grinding, special length to diameter ratio, high temperature milling oprations and more.