Blowers are more practical kind of agricultural machinery and equipment, a large some consumers reflect blowers of production, but some consumers is the opposite of the case, in fact, cause only blowers piping connections such circumstances. In fact, for suction pipe connection grain machine is a lot of requirements. Blowers with different piping layout, the required power or yield very different, transmission lines generally by the suction nozzle, suction pipe, horizontal pipe, tilt tube, vertical tube, pipe and other components. The pressure loss per unit length of the line with the slope and the form of pipeline installation and change, that is the vertical duct pressure loss than the horizontal line of the same length to a large, inclined boundary between the pipe and the two. Pressure loss in bends with the size of the physical properties of materials, mixing ratio, flow velocity, pipe diameter ratio of the radius of curvature changes and other factors, to the level of the line into the elbow upward pressure loss of vertical transportation maximum. Therefore, the layout of the delivery line bends to minimize the number of straight-line pipe. For horizontal, vertical, in combination delivery piping layout should minimize suction pipe from the discharge port of the machine it is best to take 5-10 meters horizontal pipe, so that the material is accelerated and then transferred in a horizontal tube vertical transportation. If the condition is preferable to use three-dimensional inclined conveyor, minimizing the number of bends, or for individual nip manner best throughput conveyor. 

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