

German Mining Museum Bochum Since it was first opened in 1930, the largest mining museum in the world has evolved to become the remarkable attraction it is today. Even at a depth of 20 metres, it doesn't fail to amaze visitors with its fascinating insights into mining, including archaeological and historical aspects. ...



The Bagger 288, crafted by the German company Krupp, stands as a colossal titan amidst bucket wheel excavators, emblematic of engineering prowess and industrial might.This huge machine, born in 1978 after a meticulous five-year design and manufacturing phase followed by another five years of assembly, commands attention …









Mining excavators are giant machines and the largest models in the world can weigh more than 800t. Free Whitepaper Protecting heavy machinery in challenging conditions . Capital costs are high for companies operating in extreme conditions, like in underground mines, oil rigs and steel mills. The breakdown of a single machine can …



Coal Mining, Design and Methods of. Andrew P. Schissler, in Encyclopedia of Energy, 2004 2.3 Strip Mining. Strip mining is employed in coal reserves where the overburden is removed in rectangular blocks in plan view called pits or strips. The pits are parallel and adjacent to each other. Strip mining is fundamentally different from contour or area …



"The machine was so large it was necessary to ship the components to the coal mining customer in Ohio and erect the machine on site. ... built by the German company Krupp for the energy and mining firm Rheinbraun, is a bucket-wheel excavator or mobile strip mining machine. The Big Muskie was a model 4250-W dragline and was …



















While countries such as the United States also require companies to restore mines and Spain's biggest lake is currently being created in a former lignite pit, LMBV's effort to develop an entire new lake district clean enough for tourism is one of the most ambitious projects yet — attracting attention from as far afield as the U.S., China and …



















In strip mining operations, draglines are used to remove overburden from mines. Unlike most mining equipment, the bulk of draglines are not diesel-powered. ... The "Big Muskie" was once the world's largest earth moving machine. Built in 1969 and dismantled in 1991, the Big Muskie could move 39 million pounds of earth and rock …







Strip mining implicates the stripping away of soil and rocks to access the coal beneath. If a mountain is standing in the way of a coal seam within, it will be exploded or demolished – successfully leaving a damaged landscape and distressing ecosystems and wildlife habitat.. 300,000 acres of pristine hardwood forest has been destroyed by mountaintop removal …



For large mining operations a bigger, heavier dragline excavator is needed. This type of equipment must be built onsite. ... Onsite dragline excavators are typically used in coal and oil sands strip mining. They are also used for dredging canals and ponds. ... It took 70 workers and 15 million German marks to move the mammoth machine just 14 ...
