A screw conveyor is a device used to move small materials quickly and efficiently in industries such as food manufacturing and agriculture. It consists of a large screw contained within a tube or cylinder. The screw system is more appropriate for smaller materials and is fully enclosed, reducing the risk of materials falling out or blocking the system. The food industry commonly uses stainless steel screw conveyors to transport food safely. The system needs to be cleaned often to comply with sanitary regulations.
A screw conveyor is a device used in industry, food manufacturing, and agriculture to move materials quickly and efficiently. The system consists of a large screw contained within a tube or cylinder; the materials are transported by the teeth of the rotating screw, called auger. The screw conveyor system is usually used to move small materials, such as grain or corn on farms or small screws, bolts or other materials in industrial settings. It is usually not suitable for larger materials or materials that could get caught in the conveyor system.
The food industry is another common setting for a screw conveyor. The machine in this case is made with stainless steel which does not affect the quality or safety of the food transported inside. The length of the conveyor can vary, although some can be quite long, as the food is often processed in multiple stages that require transportation. A screw conveyor in a food environment is usually easy to disassemble if the system jams for any reason, and some designs feature panels that can be removed without the use of tools. This reduces the amount of time the system is offline and cannot be used.
Many companies choose a screw conveyor over a belt conveyor or drum conveyor because the screw system is more appropriate for smaller materials. Conveyor belts can drop small pieces of material off the sides of the belt and materials can get under the belt, potentially causing damage to the system. Drum conveyors also have cylinders that can jam with materials and many of the raw materials will be lost between the cylinders, leading to a loss of money for the company. The auger system is usually fully enclosed, meaning materials cannot fall out and are less likely to block the system.
Transported materials will also be less likely to be exposed to airborne bacteria and germs that would otherwise land on food or other materials. This is important for sanitization and to ensure that the business complies with the sanitary regulations required by local laws. The system will need to be cleaned often, however, to ensure that foods or other materials that may have become stuck in the system do not rot or otherwise remain in the screw conveyor for longer periods of time than intended.
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