Spiral Conveyors | Vibra Screw Incorporated

Vibrating Feeders, Screeners and Conveyors

Vibra Screw’s line of vibrating pan feeders and conveyors offers a simple and efficient way to meter, screen and convey virtually any dry bulk material. Feeders are available with variable speed drives and can be paired with Vibra Screw’s vibrated bins to provide a compact, low cost hopper/ feeder package. With the addition of one or two screen decks these machines offer an economical heavy duty alternative to conventional gyratory screens. As conveyors they can handle up to 15,000 ft³/ hr and are available in lengths up to 25 feet. All feeder, screener and conveyors are available in carbon and stainless steel and with a variety of surface finishes and liners.

Spiral Elevating Conveyor Handles Hot Catalyst

Totowa, NJ: Vibra Screw, Inc., the industry leader in solids processing and solids handling solutions, is providing a 18′ Spiral Conveyor for the elevated transfer of various hot (~400F) catalysts extrusions coming off a rotary calciner. The heat of the material causes severe maintenance problems when using a bucket elevator, resulting in unacceptable downtime. Vibra Screw’s Spiral Conveyor moves material vertically, solely through the action of twin external vibrators with no internal moving parts. It eliminates the heat related maintenance problems of the bucket elevator with its many parts and also helps cool the material prior to the next process point. This machine is fabricated of 316 stainless steel material contact surface and includes a “High Heat” paint finish on external steel parts. A drain plug is included in the intake trough for easy wash down, which is required after each material change. A successful demonstration in Vibra Screw’s Customer Test Center was instrumental in the purchase of the Spiral Conveyor. After the successful installation and production performance, multiple units will be purchased to replace the existing bucket elevators.

Vibrating Feeder / Conveyor Feeds and Conveys Without Screws or Belts

Vibra Screw, Inc., a leading manufacturer of equipment and systems for precision processing of dry bulk materials, offers a series of pan and tube conveyors designed to provide a simple and efficient means to meter and convey dry bulk materials.Designed to economically feed powders, flakes or agglomerates without dust or degradation, the pan and tube conveyors feature two highly efficient, externally mounted vibrators that provide a unidirectional vibratory motion along the conveyor axis in constant or variable operation. Flow rates are adjustable by resetting the eccentric force during operation or with an optional speed controller. With no screws, drag chains, bearing seals or other internal moving parts, the units require little or no maintenance and are ideal for sanitary applications.Individual units are available in lengths up to 25 feet, connectable in series up to 100 feet and offer capacities in both open pan or closed tube arrangements up to 36,000 cu/ft/hr. A variety of troughs, screws and control options are available along with designs for screening, dewatering or elevating.Vibra Screw introduced the concept of controlled vibration to condition and drive bulk materials into and through a process more than 40 years ago. Today they manufacture the broadest line of equipment incorporating this feature including bin activators, bulk bag unloaders, volumetric screw feeders and belt feeders and all types of gravimetric feeders, blenders and controls.

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