Materials have the characteristics of internal friction and lateral pressure .When it is level transported, the material by the scraper chain in the direction of thrust movement of materials to be squeezed, as dead weight in the materials generated within the friction between this internal friction to ensure the material between the layers of steady state..When it is greater than the materials and external friction between the tank wall, the material will form a continuous material flow with the overall forward scraper chain conveyor.When it is lifted vertical, because the material bagging properties, material movement by the scraper chain in the direction of thrust, the material produces the pressure of lateral side within the formation of friction materials.

Meanwhile, the horizontal section under continuous feeding of the material produced over the upper edge, force the material up.when these forces are bigger than materials lattice boom friction between the outer and material self-weight,the material will form a continuous flow and overall material in order to be raised.Because the vibration of scraper chain movement, material damaged and sometimes formed, when conveying in the vertical, the material relative to the chain would produce a lag that will effect transmission and speed, but not effect normal work.

 

Buried scraper conveyer has simple structure. It not only can convey in the level and vertical transmission, but also can be combined in layout, cascades transmission, does more feeding and multi-point discharge.It is more flexible in art processing.Because the shell is closed in the transportation of materials,it can be significantly improved to prevent environmental pollution.

 

Main technical parameters of Buried scraper conveyor: