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MediaService Industries Online

Efficient debris removal - Chinese gold mine uses Siemens drive solution to remove debris

The Yunnan Gold & Mining Group Co., Ltd. (Yunnan), based in Kunming, China, operates many facilities including the Beiya Gold Mine.

The Yunnan Gold & Mining Group Co., Ltd. (Yunnan), based in Kunming, China, operates many facilities including the Beiya Gold Mine.

The mine operator uses an efficient and flexible toothed belt system with a Siemens drive solution to remove debris.

The mine operator uses an efficient and flexible toothed belt system with a Siemens drive solution to remove debris.

The new transport system benefits the mine operator through shorter transport times and cost savings of nearly 1.30 euros per cubic meter of debris.

The new transport system benefits the mine operator through shorter transport times and cost savings of nearly 1.30 euros per cubic meter of debris.

The Yunnan Gold & Mining Group Co., Ltd. (Yunnan), based in Kunming, China, operates many facilities including the Beiya Gold Mine. To improve profitability in the mine, the removal of debris in diesel trucks was replaced with an efficient and flexible conveyor belt system. The drive solution for this modernization was provided by Siemens. The new transport system provides the mine operator with an annual output of 4,000 tonnes of ore and two further key benefits: A significant reduction in the transport time from over one hour to twelve minutes and cost savings of approximately 1 million euros or, alternatively, nearly 1.30 euros per cubic meter of debris.
The transport system, with high reliability and availability, is driven by 16 high-voltage gear motors with an output of 800 to 1,800 kilowatts and 16 Sinamics Perfect Harmony GH180 medium-voltage converters. The integrated drive system meets all the requirements with respect to torque, speed and reliability and is also extremely economical. Overall, the drive therefore reduces not only the transport time and costs involved in debris disposal but also runs with an operating efficiency of over 95 percent.
Reliable partner
"Siemens is a reliable partner for us, above all in terms of quality. The quality of the drive system is exceptional – exactly as we expected," says Zhang Ning, responsible for the debris removal system at the Beiya Gold Mine.

 

MediaService application reports may be based on previously published Siemens technical articles.

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