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Shaftless Screw Separator Conveyors

Designed to dewater and transport heavy material.

shaftless screw separator conveyor atara equipment

 

Equipment data :

  • Designed to meet our client's specifications
  • Manufacture in both mild steel and stainless steel
  • Removable: wear liner, lids and drainage shroud
  • Shaftless spiral designed to convey larger objects
  • Gear Drive location: pushing or pulling
  • Removable drainage area manufactured in perforated plate or wedge wire
  • Hopper size based upon flow and drainage requirements.

 

Applications :

  • Municipal (waste management)
  • Industrial (food industries, chemical industries, incineration plants, pulp and paper...)

 

Standard design sizes :

atara equipment shaftless screw dimensions  atara equipment shaftless screw dimensions rendering

    Dimensions (mm)   Capacity (50% fill rate) 
  A B H O

@20rpm

Ft³/Hr

 @20 rpm

m³/Hr

 ATSC 200  200  310 215 160 70 1.9
 ATSC 260  260  370 270 215 140 4
 ATSC 320  320  430 340 280 360 10
 ATSC 355  355  465 380 315 500 14
 ATSC 420  420 530 430 365 720 20
 ATSC 500  500 610 475 420 1070 30
 ATSC 600  600 720 650 480 1653 47
 ATSC 700  700 820 700 600 1923 55

 

U-Trough :

  • Formed with a press brake
  • Double rolled edges
  • No holes in trough / completely sealed
  • Material: SS304, SS316, or steel painted
  • Trough lids bolted / inspection hatches

 

Wear liners :

  • Removable (ease of maintenance)
  • Material: UHMW, Hardox, Pure Gum Rubber

 

Spiral profiles :

  • Shaftless screw : Tapered design
  • Largest cross section to the inner: inner spiral is the area which takes most of the stress (axial loading)
  • Hardox 400HB peripheral edge: wear resistant

 

 

Questions? Want a quotation? Feel free to contact us, we will be pleased to help you!