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Shafted Screw Conveyors - KWS Environmental Equipment - KWS

Environmental Shafted Screw Conveyors

Shafted screw conveyors are one of the most versatile bulk material handling technologies available. Used in thousands of industrial and municipal applications, the shafted screw conveyor is the most widely used type of conveyor for bulk material handling. Shafted screw conveyors are used in the environmental industry for conveying bulk materials such as dewatered biosolids, screenings and grit. With a variety of configurations and options available, a shafted screw conveyor can easily be engineered to meet your specific bulk material handling application.

Engineering Guide Industry Solutions

Exclusive Tor-Ri-Flex Bearing Eliminates Maintenance

Environmental Shafted Screw Conveyors - KWS Manufacturing

Covers are removed for demonstration purposes only. Equipment must be operated at all times with covers securely bolted or fastened in place to provide fixed guarding.

Advantages of Using Environmental Shafted Screw Conveyors

  • Ideal for handling dewatered and dry biosolids, grit and screenings
  • Lower energy consumption when compared to pumps
  • Totally enclosed design contains hazardous odors and gasses
  • Bolted safety covers and screens significantly reduce the risk to operations personnel.
  • Efficiently distributes bulk materials to various locations using multiple inlet and discharge points

KWS Screw Conveyors are available in many configurations. Screw Conveyors are designed based on industry standards and are modular in construction providing flexibility for a variety of applications.

Choosing a Screw Conveyor Component Guide

Shafted Ribbon Screws are Ideal for Sticky Biosolids

Environmental Shafted Screw Conveyors - KWS Manufacturing

Covers are removed for demonstration purposes only. Equipment must be operated at all times with covers securely bolted or fastened in place to provide fixed guarding.

Available Features / Options

  • Custom Engineered For Your Specific Application
  • Wide Range Of Construction Materials Including Carbon Steel, Stainless Steel, Nickel Alloys and Abrasion-Resistant Alloys
  • Variety Of Flight Configurations Available For Conveying and Metering Of Bulk Materials
  • Designs Available For Cooling and Heating Bulk Materials Utilizing Jacketed Housings, Thermal Pipes, and Hollow Flights
  • Horizontal, Inclined, Vertical, and Swiveling Configurations Available To Meet Your Specific Layout Requirements
Design Worksheet

Resources for Environmental Shafted Screw Conveyors

Filter Resources:
Conveying Dewatered Biosolids at Jessamine Creek WWTP

Problem Solvers

Conveying Dewatered Biosolids at Jessamine Creek WWTP

KWS provided a new belt conveyor along with instrumentation and controls to transfer biosolids from the filter press to a screw conveyor.

Conveying Activated Carbon at Water Treatment Plant

Problem Solvers

Conveying Activated Carbon at Water Treatment Plant

KWS designed and manufactured a horizontal screw conveyor that transitioned to a 40-degree incline screw conveyor.

Eliminating Intermediate Bearings Saves Downtime and Maintenance Costs at Columbia Wastewater Treatment Plant

Problem Solvers

Eliminating Intermediate Bearings Saves Downtime and Maintenance Costs at Columbia Wastewater Treatment Plant

By utilizing oversized pipe, KWS spanned the full length of each conveyor while staying well within CEMA recommended deflection allowances.

KWS Provides Biosolids Loadout System for Myers Water Treatment Plant

Problem Solvers

KWS Provides Biosolids Loadout System for Myers Water Treatment Plant

KWS shaftless spirals are the strongest and toughest in the industry and guaranteed for many years of uninterrupted operation.

Dewatered Biosolids Load Out System for WSSC Piscataway Bioenergy Project

Problem Solvers

Dewatered Biosolids Load Out System for WSSC Piscataway Bioenergy Project

KWS Shafted Screw Conveyors were used for the biosolids conveying. Screws were constructed from abrasion-resistant material to increase wear life.

Dairy Farm Utilizes Screw Conveyor for Recycling Cow Manure

Problem Solvers

Dairy Farm Utilizes Screw Conveyor for Recycling Cow Manure

KWS worked with CEI to design a screw conveyor to transfer wet manure from a screen separator to a hydrolyzer.

Wastewater Treatment Plant Improvements for City of Burkesville, KY

Problem Solvers

Wastewater Treatment Plant Improvements for City of Burkesville, KY

The KWS-350 shaftless spiral is the hardest and toughest in the industry and resists wear from abrasive grit.

KWS Article

Ask the Experts

Placement of Hanger Pockets on Tubular Trough Screw Conveyor

When adding hanger pockets to a tubular trough screw conveyor, ensure the hanger pockets do not interfere with trough flanges.

Grit Screws for Yonkers Wastewater Treatment Plant in Yonkers, NY

Problem Solvers

Grit Screws for Yonkers Wastewater Treatment Plant in Yonkers, NY

KWS worked closely with the GHD Group to ensure the grit screws, shafts, and hangers were designed properly to fit the concrete tanks.

Dewatered Biosolids Load Out for North Regional Wastewater Treatment Plant in Broward County, FL

Problem Solvers

Dewatered Biosolids Load Out for North Regional Wastewater Treatment Plant in Broward County, FL

KWS designed a system that met the requirements of the process and fit in the very confined space at the plant.

KWS Shaftless Screw Conveyor Transfers Class A Biosolids to Load Out

Problem Solvers

KWS Shaftless Screw Conveyor Transfers Class A Biosolids to Load Out

KWS shaftless spirals are the hardest and toughest in the industry and will last at least 10 years without replacement.

Complete Loadout System for Dewatered Biosolids Dryer Project

Problem Solvers

Complete Loadout System for Dewatered Biosolids Dryer Project

KWS supplied a complete storage and load out system for the project including two 40-cubic yard storage hoppers with screw feeders.

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