- High Density Extruders Used to Dewater Materials

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The High Density Extruders are used to dewater materials that are saturated by liquids, to extract liquids from many types of industrial refuse byproducts, or to remove liquids from many commonly used packaged products and beverages. Tested and proven time and time again, the High Density Extruder is the best performing, most efficient and most reliable ram press available today.

Sebright Products/Bright Technologies High Density Extruders were originally designed in 1992 to dewater wet rejects from the pulp & paper industry where they routinely run around the clock unattended. This demanding application requires the equipment to accept a wide variety of materials and be durable and low maintenance. Our High Density Extruder enjoys a major market share in the pulp and paper industry and in many mills it is simply called the “Sebright”. Since 1992 the Extruder has been found to effectively dewater and compress a variety of wet materials such as grinding swarf, wet fiberglass, plastic recycling rejects and packaged liquids. Our 20 years of experience and continuous improvement has produced a very effective, low maintenance and user friendly design.

Our PLC monitors & maintains both the compression ram and the discharge restrictor plate pressures. Proprietary control logic (ADCS) automatically controls the restrictor plate hydraulic pressure to allow material discharge after dewatering and compression parameters are attained. This allows a wide range of material to be dewatered. Most competing equipment has only manually adjustable restrictor plate pressure adjustments which does not compensate for changing material properties and differences in friction. This results in either low liquid removal rates or equipment jamming issues.

The High Density Extruder Dewatering Cycle is programmed to increase pressure incrementally over time. This is the key to providing superior liquid removal, flexible operation and cleaner effluent liquids.

Timed Pressure Management does this by:

  1. More time under pressure allows more liquid to escape
  2. Programmable Parameters allow optimization to the application
  3. Incrementing the pressure from low to high allows the material to gradually dewater and creates a better solids capture rate.

Other equipment such as reciprocating ram presses and screw presses cannot duplicate both the superior dewatering and capture rate that our Timed Pressure Management cycle allows.

  • Engineered Systems to Suit Your Specific Needs
  • Guaranteed Performance (with pilot testing)
  • Liquid Extraction Rates up to 80%
  • Volume & Weight Reductions up to 92%
  • Unattended Operation in Many Applications

Transportation & Disposal Cost Savings:

  • Average 50-60%

Improved Sanitation:

  • Liquid Removal = No Container Leakage
  • Optional Liquid Collection Sump for Cleaner Working Environment

Return on Investment:

  • 12-24 Months Typical

Recycling Alternatives:

  • Alternative Material Use Opportunities
  • Liquid can be Reclaimed for Reuse or Recycling
  • Product Destruction – Brand Protection

Reduced Environmental Liabilities:

  • Liquid removed prior to material disposal
  • Clean and safe working environment

  • Pulp & Paper Secondary Fiber Rejects
  • Pulp Mill Liquor Knots
  • Metal Grinding Coolant Recovery
  • Wet Food Waste
  • Recycling Wet Waste
  • Fiberglass Waste

  • Simple, Rugged Design
  • Multiple Sizes Available
  • Automated Dewatering Control
  • Large Feed Openings Available
  • Can Pack Direct into Container
  • Programmable Dewatering Profile
  • Timed Pressure Management
  • PLC Modem or Ethernet

  • Low Maintenance, Low Downtime
  • Appropriate Sizes for Most Applications
  • Superior Dewatering, Less Jams
  • Accepts Bulky Items
  • Reduced Equipment & Complexity
  • Optimized for the Application
  • Superior Dewatering & Capture Rate
  • Factory Technical Support
  • Minimum Damage from Foreign Materials

  • 2013X-1-4 machine, mounted on a 20ft. 5th Wheel Trailer
  • We can arrange to have this unit at Your Site to run Your Product, at Your Convenience

The following are required:

  • Level surface for demo unit (warm site is required)
  • 1 cubic yard or more of representative material to be tested
  • A place for disposal of tested material and liquids
  • Warm Water Washdown area for the demo unit upon completion

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