Buried Scraper Conveyor for Coal

Buried scraper conveyor work principle and characteristics:
(1)Conveying work principle. As the bulk material with internal friction and side pressure and other characteristics, buried scraper conveyor in the horizontal delivery, the material by the scraper chain eye movement direction of the thrust and the role of the material itself gravity, the material between the internal friction. This internal friction is sufficient to overcome the material in the trough to produce the external friction resistance, so that the material to form a continuous whole stream and be transported. Buried scraper conveyor in the vertical delivery, due to the material from the arch characteristics of the role of the material on the scraper chain along the direction of the thrust of the thrust tank to the side of the pressure, so that between the layer of friction, due to the lower part of the continuous feeding, the lower part of the material driven by the chain, the upper material to produce a pushing force, when the force is greater than the material and the tank between the external friction and the material itself generated by the gravity, the material along with the scraper chain to form a continuous stream. The inclined or vertical buried scraper must have a horizontal feed section.

(2) Structural characteristics. Buried scraper conveyor advantages of simple structure, compact body, easy installation and maintenance, equipment, low cost; Can achieve multi-angle transmission; tank closed, can transport a variety of materials such as dust or more volatile materials; Also can transport higher temperature materials. But because of their own defects, there are some shortcomings, the transmission speed should not be too high, so that the transmission capacity is limited; Bending scraper chain and groove bottom wear is more serious; Chain heterogeneity may lead to scraper and chain distortion Greater wear; The general delivery of dust-like, small particles and small pieces of material, not easy to transport too large pieces of material.