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Siemens integrates the highest international safety standard in polyhalite mine

The image shows a stator for sirius minerals

OLKO-Maschinentechnik GmbH, part of Thyssen Schachtbau holdings, received the order to supply two mine hoists for the extraction of the world's largest polyhalite deposit. Siemens supplied the electrical equipment consisting of medium-voltage synchronous motors which are powered by medium-voltage Sinamics SM 150 frequency converters. The COBRA01 multi-channel brake system provides a soft braking, comparable to a cars ABS system, but operating with 4 independent hydraulic braking channels. The production hoists is one of the largest in the world. The drum diameter, including the disk brakes, is 6.8 meters. The motor has an output of 9.3 megawatts.

Increasing demands on food production
Total global population is set to 9.8 billion by 2050. More food will have to be produced than ever before in the history of mankind. At the same time, there is less high-quality arable land available and previous agricultural methods of food production are proving unsustainable. To counteract this, Sirius Minerals has developed POLY4, a multi-nutrient fertilizer. This increases yields and improves agricultural sustainability through the continuous release of four key nutrients which are better tailored to plants' requirements then conventional fertilizers. In addition to this, POLY4 makes a significant contribution to soil health through the addition of calcium which fortifies the soil and increases its resistance to erosion, compaction and nutrient loss.

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Siemens AG (Berlin and Munich) is a global technology powerhouse that has stood for engineering excellence, innovation, quality, reliability and internationality for more than 170 years. The company is active around the globe, focusing on the areas of electrification, automation and digitalization. One of the largest producers of energy-efficient, resource-saving technologies, Siemens is a leading supplier of efficient power generation and power transmission solutions and a pioneer in infrastructure solutions as well as automation, drive and software solutions for industry. With its publicly listed subsidiary Siemens Healthineers AG, the company is also a leading provider of medical imaging equipment – such as computed tomography and magnetic resonance imaging systems – and a leader in laboratory diagnostics as well as clinical IT. In fiscal 2018, which ended on September 30, 2018, Siemens generated revenue of €83.0 billion and net income of €6.1 billion. At the end of September 2018, the company had around 379,000 employees worldwide. Further information is available on the Internet a
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Stefan Rauscher

Siemens AG

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90475 Nuremberg

+49 (911) 895-7952