Debris Roll Screen® vs Trommel Screen



Debris Roll Screen®

vs



Trommel Screen

Excellent Separation Efficiency Poor
Sizes With Nearly Entire Surface Screen Efficiency Uses Small Portion of Surface
Wavelike Agitation Tumbling
Excellent Size Control Poor
No Clogging Yes
Small Footprint Large
Short Time on Screen Long
Minimal Mixing With Contaminants Significant
Safe and Easy Access Difficult
Low Energy/Ton High

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The BHS Tri-Disc™ Advantage

Patented BHS compound discs are in-line from shaft-to-shaft, creating a precise opening for highly accurate material sizing. The hardened steel discs are shaped to aggressively agitate material while preventing jamming, wrapping and clogging that is seen in other offerings. The agitation breaks glass and spreads material quickly over the width of the screen deck. This superior efficiency utilizes the entire screen, allowing operators to minimize the equipment’s’ footprint.  Patented gear timing paired with variable speed drives allows for fine tuning for varying material conditions.

The Tri-Disc™ agitation and rectangular IFOs not only prevent the clogging and jamming that is seen with trommels, but also keeps material moving. This significantly reduces the burden time and rolling around and mixing with contaminants. It also prevents fines from becoming blocked by larger items or longer items from falling through gaps.

 

Animation

 

Markets and Applications

  • Single Stream
  • Mixed Materials / Municipal Solid Waste (MSW)
  • Construction and Demolition (C&D)
  • Compost, Biofuels and Wood
  • Green Waste
  • Plastics
  • Glass
  • Tires and other Miscellaneous Materials

Our patented discs deliver superior sorting efficiency, material quality and throughput rates versus any other available screens. The BHS Debris Roll Screen® is unmatched in its ability to accurately sort a wide range of materials. BHS’ Tri-Disc™ imparts a wavelike action into the material stream, efficiently and precisely sizing material and minimizing wrapping and jamming.

 

Features and Benefits

  • Excellent material agitation and separation
  • Patented in-line Tri-Disc™ provide accurate sizing of material, reducing product loss
  • Disc and shaft design minimizes material wrap, reducing downtime
  • Heavy-duty discs ensure long disc life and reduced maintenance

 

Video in Multiple Applications 

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