overflow screw conveyor
Key words:
The overflow screw conveyor is a specially designed screw conveyor. Its key feature is that the middle or a specific section of the conveyor is designed with an open or semi - open casing. When the amount of conveyed material exceeds the normal conveying capacity, the excess material can overflow from the open section. This allows for the quantitative distribution and diversion of the material. It is widely used in the building materials, agriculture, and mineral dressing industries. It is suitable for bulk materials such as cement, sand and stone, grains, and mineral powder.The structure is optimized based on the conventional screw conveyor. It retains the drive unit, screw shaft, and blades. The casing of the key section is modified to be open - top or fitted with an overflow trough. Some models are equipped with flow - regulating baffles to control the overflow amount.During operation, material enters from the inlet. The screw blades push it forward. When the material pile height exceeds the open height of the casing, the excess material automatically overflows into the designated collection device. This equipment combines conveying and diversion functions. It has a simple structure and is easy to adjust. It can precisely control the feed amount to downstream equipment. It is especially suitable for production scenarios that require material distribution or continuous unloading.
Key words:
Overflow Screw Conveyor: Characteristics, Core Advantages and Applications
The core characteristic of the overflow screw conveyor is its open-top trough design. Unlike closed screw conveyors, when the feed rate exceeds the rated capacity, excess materials can naturally “overflow” and be discharged without shutting down the machine. Meanwhile, it is suitable for handling complex materials such as high-humidity and viscous substances. It features a compact structure and easy observability.
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