Best of Germany 2014 - Mining Equipment and Mining Technology

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2016 • VDMA MINING SUPPLEMENT VDMA 35 before the scheduled overhaul. To have the system running without long lasting downtimes, a first TT linear booster drive was installed during the regular conveying to reduce the tensile forces on the belt and thereby extend its lifetime. The second TT linear booster drive was also installed during the regular conveying in the mine. Now the strain on the belt could again be reduced so that the existing belt (type: ST5000) could be replaced by a less-expensive and low-maintenance textile belt (type: PVG2000). The TT Linear Booster Drive is equipped with a head and tail station, which is integrated into the actual belt. The drive is assembled directly within the current conveyor system. The top belt of the existing conveyor system (carrying belt) rests upon the top belt of the introduced TT drive (pushing belt). The TT drive leads the tensile force linearly through a friction lock in the belt. Belt tensile forces are significantly lower than with standard solutions. TT drives are ideally suited for use with high-power drift conveyors and overland conveyors. While conventional systems often need to rely on steel cord belts with large drive units, a system with TT drives can reduce belt rating requirements. This often enables usage of more cost-effective textile belts and smaller drive units; e.g., pulleys, gearbox- es, standard-size motors. In addition, the space required for the head drive is considerably smaller, which is an important aspect in under- ground mining. Voith TurboBelt TT Linear Booster Drives are also used to increase the performance of existing belt conveyors. When it becomes necessary to expand conveying capacity for operational reasons, a performance improvement is required. This means either increasing belt rating (i.e., a new belt) and/or strengthening the drive station in conventional plants. By implementing TT drives, this problem can be economically solved. The existing drives and belt remain unchanged, while TT drives can be assembled and deployed quickly for reduced downtime. This solution avoids the need for intermediate transfer points, resulting in reduced stress and less dust. In coal haulage pathways further benefits are sim- ple shortening and lengthening of conveyors without having to exchange the standard equipment. TT Linear Booster Drives provide benefits when used with medium, long or inclining belt conveyors. They provide maximum return when used with belt conveyors of 800 m or longer, as well as with inclining or declining belt conveyors, independent of length. In terms of installed base, approximately 150 conveyor systems have been equipped with TT drives, equivalent to about 300 km of aggregate length, with roughly 250 drive stations delivered. Voith engineering teams design and develop optimized solutions for every belt conveyor system. Depending on the operation, these can in- clude TT Linear Booster Drives and conventional configurations. Voith also provides complete project management services and supervision of on-site construction and testing. The TT Linear Buster Drive from Voith can increase conveyor performance. Celebrating Milestones in Conveying Technology This year BEUMER is celebrating 80 years of customized and efficient conveyor solutions. Based in Beckum, the company has established a respected position in the world market. "We can only achieve a high level of customer satisfaction and a sustainable, successful market pres- ence when the whole team is involved in the corporate strategy in the long term," said Dr. Christoph Beumer, chairman and CEO of BEUMER Group. He has been managing the family business since 2000, now in the third generation. In 1935, a 33-year-old Bernhard Beumer started his first work day as an entrepreneur with four employees. Until then, he had been working for a conveying technology company in Essen. One of his most important seed assets, aside from his courage and determina- tion, was the experience he gained as a repair mechanic for con- veying technology, working in the mining industry in the Ruhr area before completing his degree in engineering. He deicded to step out on his own. A considerable step toward the success of Beumer conveying technology was his development of the idler with labyrinth seal. The founder of the company had this innovation patented and integrated it further into other products. The company continued to grow, em- ploying about 100 people at the outbreak of World War II. After completing studies in mechanical engineering, his son, Ber- nhard Beumer Jr., followed in his footsteps. He worked at his father's side for 18 years and took over the company after his father's death in 1981. In the field of conveying technology, he particularly pursued the development of bucket elevators. He quickly realized that a chain as a traction element was too heavy. The company had a wealth of experience in belt conveying technology. This gave Bernhard Beum- er the idea of using a belt as the traction element for bucket eleva- tors. The company perfected the system. By the mid-1980s, the sup- plier had installed about 100 systems altogether, in 2007 and 2008 they were installing about 450 bucket elevators per year, worldwide. Besides the product development in the field of conveying tech- nology, Bernhard Beumer Jr. also continued the initial development of loading systems and set the company on a decisive path of global- ization, founding companies in Brazil, USA and Asia. In the 1960s, Beumer laid the foundation for curved belt conveying systems. The first theoretical designs on the market were from the company's department for research and development. Today, this group is one of the technological leaders for these systems, either as troughed belt conveyors with open design or as pipe conveyors. One particularly impressive reference project is the 12.5-km-long troughed belt conveyor in the Chinese province of Sichuan, which was put into operation in 2008 and currently conveys about 2,200 tons of limestone from the quarry to the cement plant. Its routing features several vertical and horizontal curves. The system travers- es 1.5 km of water surface and extensive bamboo forests, and can overcome height distances of up to 100 m. For the same project, the Beumer Group has now been awarded the contract to supply and install another conveyor of similar size, and the customer is already planning a third expansion phase. Meanwhile, the company also pursued other handling systems unrelated to bulk materials, such as palletizer and high-capacity packaging systems. Since 2000, Dr.-Ing. Christoph Beumer, the founder's grandson, has been managing the company. "The success is primarily due to the familial spirit. We have consistently held to our motto, 'we are

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