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The extracted rock need to crushed for size reduction. Crushing is the first stage in the size reduction process. This is usually a dry operation, which involves breaking down the ore by compressing it against rigid surfaces or by impacting it against hard surfaces in a controlled motion flow. This process step prepares the ore for further size reduction (grinding) or for feeding directly to the classification or concentration separation stages. Tailings are usually not generated in this process step. The often used rock crushing plant includes jaw crushers, gyratory crushers, cone crushers, roll crushers, impact crushers and mobile crusher.

rock quarry machinery

Rock Quarrying Process

A quarry is a type of open-pit mine from which rock or minerals are extracted. Quarries are generally used for extracting building materials, such as dimension stone, construction aggregate, riprap, sand, and gravel. They are often collocated with concrete and asphalt plants due to the requirement for large amounts of aggregate in those materials.

Quarrying in hard rock deposits usually requires different techniques to those employed in working generally unconsolidated sand and gravel deposits. Whilst many of the overall considerations are essentially similar (e.g. establishing a viable resource, determining the available area for development, assessing volumes of waste, overburden and other allowances, identifying the requirements for excavation, haulage and processing plant), there are several specific areas in which different assessment and design requirements are necessary.

Rock Quarry Machinery in Germany

Hard-rock quarry workings may be wet or dry, depending on the depth to water table. It is not common practice to allow pits to flood during operation, and pumping may be necessary if water collects within the pit during working. This may require the formation of profiled floors and sumps to collect water prior to pumping.

SBM is global supplier of rock mining and quarrying equipment. We have been dedicated in mining industry for long history and developed high advanced quarrying technology. Our rock quarry machinery in Germany includes mining equipment, extraction plant, crushing machine, grinding mill, screening plant, conveying system, classifier, washing plant, processing equipment, separation machine etc.

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