steinexpo 2023

Wear is an everyday problem even in gravel pits, and although the respective material selection cannot prevent wear from arising, it helps to minimize it. The problem of a quarry in the Harz Mountains was the insufficient material transport in a vibration chute installed under a jaw crusher. ...

Depicting and proving sustainability in exemplary appearances was the challenge of the current MIRO Sustainability Competition 2015/2016 of the German aggregates industry, which was held for the sixth...

Balanced-skip haulage systems are one of the mining industry’s most mature technologies. Now thyssenkrupp offers the advantages of rope running incline skips to open pits and quarries where haul truck operating costs are reducing profitability. The capital and operating economics of that system are very compelling, with dramatic re­ductions in CO2 emissions. ...

Siemens has opened its “Cyber Security Operation ­Center” (CSOC) for the protection of industrial facilities, with a joint location in Lisbon and Munich and one in Milford (Ohio) in the USA....

Kiruna, the northernmost city of Sweden, is home to an iron ore mine of the same name, which processes and stores pellets. These iron ore pellets are transported from ­Sweden to Norway for shipping. In 1902, a train line was built all the way to Narvik for this purpose. ...

Since August 2015, a Bell B25E has been operating as a versatile production machine in the production chain of Knüllwalder Tagebau GmbH, an open-cast mine in North Hesse. ...

This year’s seminar was held on 28 and 29 January under the motto “Advances in the processing of primary and secondary resources – machinery, processes, products”. In 18 presentations, plant engineering companies, users and representatives of universities presented new equipment, revamps and extensions as well as current research findings. ...

Ore crushing processes have not changed very much in recent years. Never­theless; there have been significant modifications to the machine technology and to the systems. In this article, the most important topics are discussed and the current trends are presented. ...

On October 7th, 2015, the inauguration celebration of the pilot plant for a dry iron ore concentration process, developed by company New Steel of Brazil, has taken place in Ouro Preto, Minais...