A coal mine crushing and screening plant for sale is a complete system designed to process raw coal extracted from mines into industrial-grade sizes (0-50 mm). It performs crushing, sizing, cleaning, and storage of coal. These plants are available in mobile or stationary configurations and can be customized to meet buyer requirements.

Working Principle and Stages:

  1. Raw Coal Feeding:

    • Coal extracted from mines is loaded into the feed hopper via excavators or trucks.

    • Pre-Screening (Grizzly Screen): Removes large impurities (rocks, metals, wood).

  2. Crushing Process:

    • Primary Crushing (Jaw Crusher or Rotary Crusher): Reduces coal to 10-30 cm.

    • Secondary Crushing (Impact Crusher or Roll Crusher): Crushes coal to 0-50 mm. Moist coal may require specialized crushers (e.g., hammer crusher).

  3. Screening and Classification:

    • Vibrating Screens: Sorts crushed coal into sizes (0-10 mm, 10-30 mm, 30-50 mm).

    • Coal Washing Unit (Optional): Removes ash, sulfur, and impurities using water or air.

    • Drying Systems (For Moist Coal): Rotary dryers or belt dryers are used.

  4. Storage and Transportation:

    • Cleaned coal is stored in stockpiles or enclosed silos.

    • Final products are transported to power plants, steel mills, or markets via conveyor belts or trucks.

Features of Plants for Sale:

  • Mobile Units: Tracked or wheeled designs for easy relocation to temporary mining sites.

  • High Capacity: Processes 100 tons/hour (small-scale) to 2000+ tons/hour (industrial scale).

  • Customization: Crusher type, screen sizes, and washing units can be tailored.

  • Eco-Friendly: Dust suppression systems and enclosed operations minimize environmental impact.

Applications:

  • Fuel preparation for thermal power plants,

  • Coke production (steel industry),

  • Residential and industrial heating systems,

  • Chemical products and syngas production.

Key Equipment:

  • Jaw crusher, impact crusher, vibrating screen, coal washer, conveyor belts, dust filters, generators (diesel/electric).