SX4 Coal Spiral Concentrators

SX4 coal spiral concentrators from Multotec are constructed with materials that ensure a high quality product with a longer life, low maintenance and low cost. To add flexibility when building or replacing the spiral plant, the concentrator features a compact modular design. The coal spirals are suitable for material with a size range of less than 2.0 mm to 0.1 mm.

The 1 000 mm diameter assemblies are supplied in single, twin or triple starts, with 4 turn configurations. Each module houses two spiral assemblies and the housing frame can have safety handrails, cat ladder hoops and toe plate as optional features.

SX4 Coal Spiral Concentrators feature:

  • Mild steel rubber lined or PVC/polyurethane pipe launder system
  • No solids build up due to box design
  • Spiral trough ribbed for extra strength
  • Fully dismantleable for retrofitting
  • Hot dip galvanised steel parts to prevent corrosion
Enhance your mineral processing efficiency with Multotec.

Feed Box

  • Solid polyurethane casting
  • Impact wall provides longer life
  • Design ensures homogenous pulp mix
  • Replaceable

Distributor and Piping         

  • Robust, galvanised steel shell
  • Cast polyurethane lining
  • Replaceable parallel throat orifice
  • Anti-syphoning off-takes
  • Rigid HDPE piping
  • Modular polyurethane elbows
  • Top or bottom fed
  • Accurately manufactured by reverse lamination

Spiral Trough

  • Accurately manufactured by reverse lamination
  • Working surface is sprayed with polyurethane to a thickness of (3mm +/-0.5mm) or as requested
  • Integral edge
  • Improves circumferential strength
  • Prevent spillage
  • Integrally moulded
  • Ribbed for extra strength

Product Box and Splitters

  • Solid polyurethane casting
  • Splitter calibration
  • Box design assures no solids build up
  • Linked steel reinforced splitters

Committed to continuous improvement of our range of Spiral Concentrators:

Multotec will partner with you over the lifetime of your plant, constantly seeking to optimise process efficiency to make sure you achieve your mineral processing goals at the lowest cost per ton. Our team of leading metallurgists and engineers will help improve your profitability by continuously working towards leaner, more efficient beneficiation processes geared towards enhancing product speed to market and increasing product consistency and reliability while reducing waste.

Read about our latest innovations in Spiral Concentrators:

Multotec’s SX4 coal spiral concentrators have been designed for low maintenance and low costs with quality components and enhanced versatility.
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