Types of screw conveyors——Xinxiang Dayong Vibration Equipment Co., Ltd.

2023-10-19

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Screw conveyors are divided from the perspective of the displacement direction of the transported materials. Screw conveyors are divided into two types: horizontal screw conveyors and vertical screw conveyors.
Screw conveyors made of high-strength plastic according to the conveyor chain are also called food screw conveyors and screw elevators. They are mainly suitable for conveying large products. Such as cartons, turnover boxes, bottled water, etc.

Depending on the characteristics and structure of the conveyed materials, screw conveyors include horizontal screw conveyors, vertical screw conveyors, bendable screw conveyors, and spiral tube (roller conveyor) conveyors.
vertical screw conveyor
The rotation speed of the spiral body of the vertical screw conveyor is higher than that of the ordinary screw conveyor. Under the action of centrifugal force, the added material generates friction with the casing. This friction prevents the material from rotating together with the spiral blades and overcomes the material falling. gravity, thereby realizing vertical transportation of materials. This machine has small conveying capacity, small conveying height, high speed and high energy consumption. It is especially suitable for transporting powdery and granular materials with good fluidity. It is mainly used to lift materials. The lifting height is generally not more than 8 meters.
Horizontal screw conveyor
When the material is added to the fixed machine trough, due to the gravity of the material and the friction between it and the machine trough, the material accumulated in the lower part of the machine trough does not rotate with the spiral, but only moves forward driven by the rotating spiral blades, like The non-rotating nut performs translational motion along the rotating screw to achieve the purpose of transporting materials. This machine is convenient for multi-point loading and unloading, and can complete mixing, stirring or cooling functions at the same time during the transportation process. Sensitive to overloading and prone to clogging; causing crushing losses to materials, the horizontal screw conveyor has a simple structure and is easy to install, maintain and troubleshoot. It is suitable for continuous and even transportation of loose materials horizontally or slightly inclined (below 20º). The working environment temperature is -20-+40℃, and the temperature of the transported materials is -20-+80℃. Its rotational speed is lower than that of vertical conveyors. It is mainly used to transport materials horizontally or at small inclination angles. The transport distance is generally not more than 70 meters.

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