Inclined Screw Conveyors

Inclined screw conveyors are used in a few different applications within the process industry. These applications include the agricultural, construction and food and beverage industries. They transport raw materials like cement, fertilizer, feed, sugar and meat.

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Inclined screw conveyors are used to convey and elevate bulk materials from one level to another. Depending upon the bulk material and the objective, proper design and construction of an inclined screw conveyor will provide many years of uninterrupted service and productivity.

As you might expect in the field of material handling systems, having equipment that can adapt to your organisation's unique needs is critical. Not every location is identical, and to make your solution run smoothly an array of different configurations may be needed.

For that reason, SPIRAC offers various options with its shaftless screw conveyors - horizontal, vertical and inclined. Each have their place in a material handling facility, so when should each type be used?

Horizontal conveyors

Moving materials from one place to another is the core objective for a conveyor. When the point of origin and the destination are at an equal level, a horizontal shaftless screw conveyor is most efficient piece of equipment available.

Able to be installed on the floor, at waist level for easy maintenance or even suspended in the air, SPIRAC's horizontal conveyor is designed to transport the most difficult materials.

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Vertical conveyors

In some situations, it's necessary to transport materials upwards rather than outwards. In facilities with limited space, for example, sometimes taking some of the system up is the only solution when expansion is required, as floor space is at a premium.

Unlike with a horizontal conveyor, however, gravity is a factor when moving material. SPIRAC's vertical shaftless screw conveyors feature breaks in the liner to provide resistance points along the way, helping to prevent the formation of rotating plugs and encouraging the material to move vertically. If your facility needs to take materials to a higher level, a vertical conveyor is an ideal choice. 

Inclined conveyors

Falling somewhere between the horizontal and vertical options, inclined conveyors are capable of approximately 45 degrees of elevation through hopper feeding, or steeper with force feeding. Whether as a connecting solution between two levels of horizontal conveyor, or a less steep means of upward material handling, an inclined shaftless screw conveyor is a suitable middle ground for many facilities. 

Featuring the U-trough arrangement of a horizontal conveyor for angles up to 30 degrees, the inclined conveyor switches to the OK-trough of a vertical system at 30-90 degrees.