Screw Conveyors

Horizontal Screw Conveyors

screw conveyor from PPS
powder screw conveyor from PPS

Inclined Screw Conveyor

powder screw conveyor from Powder-Process Solutions

Fact Sheets
Screw Conveyors

A screw conveyor is a mechanical conveying system option that’s often used by dairy, food, infant formula and many other powder processors. Typically, screw conveyors transport powder by using shafted or shaftless helixes rotating within a trough or tube. This puts force against the product as it is being rotated so the powder can be moved and controlled by varying the rotation speed.

Screw conveyors are one of the most popular and cost-effective ways to mechanically convey bulk powder materials, offering several configurations and design elements that gently move powder from point A to point B.

At Powder Process-Solutions, our team of engineers can work with you to design an efficient and sanitary screw conveyor that’s customized to the unique requirements of the application and type of powder being processed.

Types of Screw Conveyors

Screw conveyors provide consistent product conveying that meets the increasing efficiency, sanitation and safety demands of powder processing plants.

Screw conveyors are available in sizes ranging from micro feeders to mass flow feeders, with a wide range of screw lengths available. The two most common types of screw conveyors are horizontal and inclined.

Horizontal Screw Conveyors

Horizontal screw conveyors are perhaps the most commonly used type of screw conveyors, requiring less configuration at installation and often cost less to operate.

Horizontal screw conveyors are ideal for conveying dry to semi-fluid materials, and feature an enclosed pipe design to protect against contamination, and product and dust leakage.

Inclined Screw Conveyor

Inclined screw conveyors feature a sloped design, allowing for an incline of up to 45 degrees and often taking up less space than a horizontal screw conveyor.

Inclined screw conveyors are ideal for transporting product short distances, and often cost more to operate since more horsepower is needed to move product at an upward angle.

Customization Options

There are many ways to customize your screw conveyor to best fit the material you’re conveying and the workplace you’re operating in. Some of the customizable options include:

  • Standard auger
  • Conical auger
  • U-trough
  • Tube-trough
  • Flared u-trough
  • Combination designs

When to Use a Screw Conveyor: Applications & Industries

Screw Conveyors are a great fit for many bulk-handling industries including the food and beverage, dairy and chemical sectors. Some materials that benefit most from screw conveyors are:

  • Food Processing
  • Ingredients (sugar, flour, spices, grains)
  • RTE (Ready-to-eat)
  • Semi-Solut Materials

How to Select the Right Screw Conveyor Design & Size

To select the right size of screw conveyor, you first need to identify the amount of capacity you require. Capacity is the weight or volume-per-hour of bulk material that needs to be conveyed.

Powder Process-Solutions has 40 years of industry and manufacturing experience and knowledge. We have an on-site test lab that can be used to gain solid information when handling new products with unfamiliar properties. Our experienced engineers will work with you to design a system that gives you with the most efficient, safe, sanitary and quality powder process solution.

Contact Us Today

To discuss your needs or learn more about whether a screw conveyor is the right choice for your powder processing facility, contact us today.

Learn about other types of Mechanical Conveying Systems or get guidance on how to Select the Right Powder Conveying System.