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Application field: widely used in chemical, building materials, metallurgy, grain and other departments, in the case of inclination angle β < 20 °, conveying powdery, granular and small pieces of materials with low viscosity, not easy to deteriorate, not to mention (too late) agglomeration .

Advantages of the equipment: simple structure, small cross-sectional size, good sealing, reliable operation, low manufacturing cost, convenient intermediate loading and unloading, the conveying direction can be reversed, and can also be conveyed in opposite directions at the same time. During the conveying process, the materials can also be stirred, mixed, heated and cooled. The material flow can be adjusted through the loading and unloading gate. However, it is not suitable to convey materials that are perishable, viscous, easy to agglomerate and bulky. During the conveying process, the material is easily broken, and the screw and the trough are easily worn. The unit power is larger. In use, the sealing of the trough and the proper clearance between the screw and the trough should be maintained.

Working principle: When the material enters the fixed machine groove, due to the gravity of the material and the friction between the machine groove and the machine groove, the material accumulated in the lower part of the machine groove continuously rotates with the screw body, and is pushed forward by the rotating screw blade. move.