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Ball mill has been used in many industries for a long time, the technology is quite mature already. But there are still some problems, such as, lots of investors expressed…
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Raymond mill is ever one classic powder grinding machine in the past. And most of modern mill are from it and MTM series milling machine is the most successful one. It optimized…
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Siemens modernises SAG mill gearless drive in Cadia Valley ...
Nov 26, 2007· THE Siemens Industrial Solutions and Services Group (I&S) is supplying gearless drive systems for five 40-foot autogenous grinding mills for the Sino Iron project in the Pillbara.
First use of Sinamics SL150 cycloconverters for grinding ...
Cemtec and Siemens jointly developed a standard-equipment, economical solution to handle the power needed to drive a 10.4 x 6.1-m, 15-MW SAG mill and an 8.2 x 14-m 18-MW ball mill at this Russian gold mill site.
SAG Mill Control: It Shouldnt be that Hard
Single stage SAG Mills are very beneficial in reducing CAPEX for plants with a staged throughput approach. When future tonnage is to be increased, the SAG Mill can feed downstream ball milling to boost capacity. Fuller-Traylor SAG/AG Mills range in size from 4.3m through 12.2m in diameter with powers as high as 28,000 kW.
Siemens Kv Vfd For Sag Mill - budownictwo-delta.pl
Siemens has provided about 80 SIMINE Gearless mill drives to the mining industry since 1980. In these thirty-plus years, SIMINE Gearless mill drives have accumulated a combined total of over 500 years in operation time – and this number is steadily growing even as you read this. This is a benchmark we are immensely proud of. Your benefits
Gearless Mill Drives
ABB's GMD is the most powerful mill drive system in the market to power semiautogenous (SAG), ball and autogenous (AG) mills, This 'workhorse' for grinding operations combines a robust, service-friendly and fit for purpose design to provide highest throughput, reliability and availability for your processing plant.
AG mills for Sino Iron Project - Australian Mining
Siemens modernises SAG mill gearless drive in Cadia Valley. Posted by Matrix on 27th March 2012 Siemens has modernised a gearless grinding mill drive at Newcrest's Cadia Valley Operations, near Orange in New South Wales, Australia. This is the first time that a gearless grinding mill had been equipped with a Sinamics SL150 cycloconverter control.
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Siemens modernises SAG mill gearless drive in Cadia Valley. Posted by Matrix on 27th March 2012 Siemens has modernised a gearless grinding mill drive at Newcrest's Cadia Valley Operations, near Orange in New South Wales, Australia. This is the first time that a gearless grinding mill had been equipped with a Sinamics SL150 cycloconverter control.
Frozen charge detection and automatic loosening with ...
Whether you're talking about SAG or a ball mill, space is a delicate issue, especially in the concentrator. That's ... Siemens has earned a quality systems certificate for standard ISO 9000 and has implemented quality systems in accordance with ISO 9001. 9.
1 x SAG Mill & Siemens Motor
Antamina Compania Minera Antamina S.A. Peru Project: One SAG Mill and 3 Ball Mill Drive Systems Capacity: SAG Mill 1000 t/h Ball Mills 1000 t/h Consultant: Bechtel, USA Mill Builder: FFE Minerals, USA Mill Size: SAG Mill 38 feet/11,58 m Ball Mills 24 feet/7,32 m Ore processed: Copper/Zinc Drive Rating: SAG Mill 20,1 MW, 9,23 rpm Ball Mills 11,2 MW, 11,38 rpm
(PDF) Technical Evaluation and Practical Experience of ...
Siemens Kv Vfd For Sag Mill. Ingeteams scope of supply contains the complete portable electrical room including three ingedrive mv700 medium. NOTE: You can also send a message to us by email, we will reply to you within 24 hours. Now tell us your needs, there will be more favorable prices!
Integrated drive technology from Siemens enhances ...
Siemens stated that the new drive systems will give a huge boost to the reliability and consequently also the throughput of the mills. The contract is valued in the double-digit million range. The modernisation project includes two 8MW semi-autogenous grinding (SAG) mills and two 1.7MW ball mills with dual pinion drives.
Siemens modernises SAG mill gearless drive in Cadia Valley ...
Each SAG primary mill (Boliden-Allis) operates with two 5.000 HP. Ball Mills as secondary grinding stage. The Electric Drive (SIEMENS) consists a 11.000 HP synchronous motor of variable speed. General Description of the Drive. The SAG Mill …
AG mills for Sino Iron Project - Australian Mining
SAG mill rated motor speed 204 rpm, max. motor speed 214 rpm Ball mill rated motor speed 195 rpm, max. motor speed 209 rpm Starting torque: 150% for 15 s Main voltage level where the drive system is connected: 25 kV Excitation power is provided by a 4.16 kV bus As the power requirements for the SAG and ball mill drives are identical and the ...
Sentinel: Siemens Gearless Mill Drives - YouTube
Siemens modernises SAG mill gearless drive in Cadia This two-stage grinding circuit consists of a 40 ft SAG mill with a 20 MW Siemens gearless drive and two parallel 10 MW gear driven ball mills. Siemens has now fitted the SAG mill with a Sinamics SL 150 cycloconverter for closed-loop control as well as with a Sinamics DCM control module for ...
iemens chile sag mill
Voltage waveform at the rectifier input side of an 18 000-hp LCI SAG mill drive. (a) Line-to-line bus voltage waveform (11 270-V peak). (b) Average rms …
Speedy SAG Mill System Upgrade Minimizes Downtime Costs
First use of Sinamics SL150 cycloconverters for grinding mills: Siemens to modernize ore mill drive for copper producer Quadra FNX. Quadra FNX Mining Ltd., a Canadian mining company, has commissioned Siemens to modernize the drive in an SAG mill in its Robinson open-cast copper mine in Nevada, USA.
Commissioning Variable Speed SAG Mill Gearless Drive
Feb 21, 2019· https://new.abb.com/mining/grinding/gearless-mill-drives | ABB ensures maximum throughput, highest availability and peak performance throughout the life cycl...
(PDF) SAG milling at the Fimiston plant (KCGM)
Application: Ball Mill Equipment: 1 x 44000kW 30 pole 6600 volt Synchronous Motor Location: Kalgoorlie, Western Australia Ernest Henry Mine Application: 1 x 11000kW SAG Mill driven by Dual 5500kW motors, 1 x 5500kW Ball Mill Equipment: 3 x 5500kW 6 pole 11000 volt Wound Rotor Induction Motors Location: Cloncurry, Queensland
SIMINE Gearless mill drives - Siemens
The mill, the first of five to be installed at Sino, has a diameter of 12.2 m (40 ft), is 15 m (49.2 ft) long, and will be powered by a 28-MW Siemens GMD. Siemens also supplied the gearless drives for a 36-ft SAG mill with a rated power of 15 MW and a 26-ft ball mill with 15.5 MW of rated power recently installed at the Minera Los Pelambres ...
Innovative Gear Drive Solution for Grinding Mills | E & MJ
Jan 19, 2016· The mills at Sentinel in Zambia are amongst the world's biggest, with 2 off 40 ft SAG mills complete with 28 MW drives, and 2 off 28 foot-ball mills with 22 ...
Mineral Processing | Toshiba International Corporation ...
The mill, the first of five to be installed at Sino, has a diameter of 12.2 m (40 ft), is 15 m (49.2 ft) long, and will be powered by a 28-MW Siemens GMD. Siemens also supplied the gearless drives for a 36-ft SAG mill with a rated power of 15 MW and a 26-ft ball mill with 15.5 MW of rated power recently installed at the Minera Los Pelambres ...
Gearless mill drives - Grinding | ABB
that the Lumwana Copper Project's SAG mill (18MW) was fully energized and rotated by the engineering contractor Ausenco Bateman JV ("ABJV"), using Siemens 'gearless mill drives' on 28th June. This followed an extensive testing and commissioning program of the mills, including mechanical, electrical and electronic tests
Siemens modernises drive system for ore mills - Mining ...
Upgraded SAG mill control and drive electronics provide easier maintenance, higher reliability and improved information transfer to the plant operators. Siemens engineers also can remotely monitor and troubleshoot the mill's condition.
to Design and Supply the World's Largest SAG Mill in ...
Oct 29, 2019· The six ABB gearless mill drives, which are the most powerful mill drive systems on the market for semi-autogenous (SAG), ball and autogenous mills, have been installed since late last year and are all now in continuous operation. Two 28 MW gearless mill drive systems (GMDS) are operating in the mine's 12-metre SAG mills and four 16.5 MW GMDS ...
ABB gearless mill drives - YouTube
Upgraded SAG mill control and drive electronics provide easier maintenance, higher reliability and improved information transfer to the plant operators. Siemens engineers also can remotely monitor and troubleshoot the mill's condition.