Shaftless Screw conveyors

Shaftless Screw conveyors


  • Shaftless screw conveyors are an effective method of conveying difficult-to-handle bulk materials discharged from centrifuges, filter presses, or mixers. The shaftless design provides a non-clogging conveying surface, making previously challenging materials easy to convey.

Application Area:

  • Shaftless screw conveyors are ideal for handling sticky and sluggish bulk materials that tend to clog traditional screw conveyors.

Salient Features:

  • Shaftless screw conveyors have several advantages over other types of conveyors:
  • Improved conveying efficiency compared to other conveyors.
  • Greater flexibility in plant layout due to available configurations.
  • Elimination of internal bearings.
  • Unique one-piece drive shaft design.

GREENING Customization Options:

  • Construction materials: carbon steel, stainless steel, and abrasion-resistant alloys.
  • High-strength alloy spirals with a hardness of up to 350 BHN.
  • Low-friction liner materials such as UHMW and Xylethon.
  • Multiple screws for increased efficiency.

Industries Served:

Shaftless screw conveyors designed and manufactured by GREENING are suitable for various industries, including chemical, food, minerals processing, and wastewater treatment. They can be used to convey everything from catalysts to dewatered biosolids.

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