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Quarrying industry and Quarrying mining

Quarrying industry

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The quarrying Industry: stones extraction and production equipment in quarry operations

Quarrying mining: aggregate and mining operations explained

The quarrying industry is a sector of the mining industry focused on extracting stones, minerals, and construction materials from natural quarries or pits. Quarries concentrate on extraction at the Earth’s surface.

Quarries for mining activities are used to encompass a broader range of materials, including the extraction of valuable ore deposits, metals (such as gold, silver, copper, iron), precious stones (e.g., diamonds, emeralds), and fossil fuels (e.g., coal, oil, natural gas).

Quarrying mining takes place at deeper levels underground and involves the creation of tunnels, shafts, and galleries to access and extract valuable minerals or ores.

In the quarrying industry, operations can extract a wide range of materials, including:

  • Dimension Stones like granite, marble, limestone, and sandstone.
  • Crushed Stones, used as aggregate in concrete, asphalt, and road construction.
  • Industrial minerals like gypsum, salt, and talc, with various industrial applications.

Quarrying methods vary depending on the type of material being extracted and the geological characteristics of the site. Common methods include drilling, blasting, and mechanical excavation. Wire saws, chain saws, and diamond wire saws are often used for cutting stone blocks. It involves removing the top layers of soil and rock to access the desired materials.

The quarrying mining industry also involves open-pit mining, placer mining (extracting minerals from riverbeds and alluvial deposits), and mountaintop removal mining (common in coal mining). The choice of method depends on the geological characteristics of the deposit. Aggregate production in alluvial deposits is a type of terrain that requires specific process management. Nevertheless, quarry operations are generally smaller in scale compared to mining operations.

Aggregates production in the quarrying industry involves five main production processes that take place during quarrying operations:

  • Pickling
  • Extraction of materials
  • Transfer of materials
  • Treatment of aggregates

Quarrying Industry Production Equipment and Processes Optimization

These processes occur thanks to aggregates production equipment, such as screen machines for quarrying operations, crushers machines and grinding machinery used to treat and exploit the extracted materials. Examples include cone crushers, jaw crushers, and impact crushers.

Impact crushers work by percussion. They are used in quarries for primary and secondary processing, such as crushing non-abrasive rocks. Crushing occurs more effectively when the rock comes into direct contact with the impactors and the impact screens.

Crushing machines are sensitive to wear in key components like impactors, shock absorbers, shields, and rotors. Impactors are metal bars that wear out quickly but perform 70% of the work. Checking the height of the striker is crucial, and they can be made of different materials like manganese, chromium cast iron, or martensitic with ceramic inserts, with resistance to abrasion being essential.

Shock absorbers consist of several shielding bodies made of a material with high wear resistance, but they also wear out quickly, just like rotors that rotate, hitting, and throwing rocks against the shock screens for crushing.

In the quarrying industry, we provide spare parts such as wear parts and mechanical parts. Mining companies like Haladjian Mining also offer support and assistance to the quarrying industry, providing a complete set of solutions for optimizing aggregates production processes.

First, we conduct a comprehensive analysis of your needs and installations through a study of the flowsheet. We also inspect your crushing and screening equipment to propose process modifications according to machine capacities. Our experts provide machine expertise, machine maintenance, and machine rebuild services.

Our process study and optimization services consist of three main steps:

  • The audit: Our technical team audits your entire mining production plant (site, location, and equipment) and identifies the problems encountered.
  • The recommendation of solutions: Following the audit, solutions are recommended to meet the objectives set while minimizing facility downtime during the implementation of these solutions.
  • The implementation: The final step involves the implementation of solutions for optimizing your aggregate production equipment through changes or modifications to mining equipment and processes.

The goal is to extend the lifespan of your aggregates production and fixed installations. Our experts offer engineering services, manufacturing and assembly of the mineral fixed plant, delivery and assembly, and commissioning and testing. Haladjian Mining also provides facility design and performance contracts.

Safety considerations are also crucial elements of the quarrying industry. Quarrying operations can be hazardous due to the use of heavy machinery, explosives, and the presence of steep cliffs. Safety measures and regulations are in place to protect workers and minimize accidents. Shot firing is a particularly controlled process that contributes to rock extraction.

How can we contact you?

Your Haladjian Minerals Solutions customer service is available for any question: Contact-us or +334 90 39 39 55 or hms@haladjian.fr.