Winschel Environmental, LLC Pump and Process Equipment
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​ProTechtor® Internally Fed Drum Screens

Principle of Operation
Influent to the drum is controlled by means of various inlet pipe designs, based on the type of material processed and flow rate required, which distribute the infl uent over a large area of the drum to ensure efficient use of the drum open area. As the drum rotates, screened fluids pass through the perforations in the drum and fall into the water collection trough underneath the drum and are then discharged. Solids are retained within the drum and are dewatered as they are moved to the elevated end of the drum by the internal screw auger. The screenings are then discharged into a dumpster, conveyor, or compactor. The perforated drum is continuously cleaned by means of a friction drive brush. An internal spray bar is also supplied to allow intermittent spray cleaning if required.
​Features
  • Rugged stainless steel construction
  • Completely enclosed
  • Screenings positively conveyed to discharge point
  • Ease of maintenance
  • Indoor or outdoor installation
  • Automatic Integral overflow with alarm and separate outlet prevents contamination of filtered effluent
  • Multiple influent pipe designs for various applications
  • Perforations from 0.6 to 3 mm
Materials
  • Drum: 304 or 316 stainless steel
  • Housing: 304 or 316 stainless steel
  • Inlet pipe: 304 or 316 stainless steel
  • Access covers: Molded ABS thermoplastic
  • Brush: Polyethylene
  • Spray Bar: 304 or 316 stainless steel
Applications
  • Raw sewage screening
  • Sludge dewatering
  • Pulp and Paper mills
  • MBR protection
  • Food processing
product brochure
Central/Eastern Virginia
Winschel Environmental, LLC
Glen Allen, VA 23060
Phone: 804-545-3115
Fax: 804-915-8982
Contact: Matthew J. Winschel, PE
mwinschel@winenv.com
Picture
Western Virginia
Winschel Environmental, LLC
Buchanan, VA 24066
Phone: (540) 632-0111
Fax: 804-915-8982
Contact: Gary Rookstool, PE
gary.rookstool@winenv.com
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