Friction resistance of material conveyed by screw conveyor

2014-12-12 09:37:14 The screw conveyor is conveyed by the screw conveyor by the rotating screw blades pushing the material, so that the material does not rotate with the screw conveyor blades is the weight of the material itself and the screw loading conveyor machine The frictional resistance of the shell to the material. The spiral blade welded on the rotating shaft of the screw conveyor, the surface of the blade has solid surface, belt surface, blade surface and other types according to the different materials to be conveyed. The screw shaft of the screw conveyor has a thrust bearing at the end of the material movement direction to give the axial reaction force of the screw with the material. When the length of the machine is long, an intermediate suspension bearing should be added.　　According to its structural characteristics and performance, screw conveyors are usually used for conveying materials in the production process of grain, oil and feed processing plants. 1. It is not suitable to transport large, fibrous impurities, strong abrasive, easy to break or easy to bond materials, so as to avoid blockage and material crushing, 　　 2. According to the installation form, the screw conveyor can be divided into Fixed and mobile, 　　3. According to the conveying direction or working speed, it can be divided into horizontal slow speed and vertical fast speed. 　　4. The more commonly used in engineering practice is the fixed, horizontal slow speed screw conveyor.

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