Air Oblique grooveCan be used for cement, fly ash and other easy-to-flow powdery materials, the groove with high-pressure centrifugal fan(9-19:9-26 type) as the power source, so that the material in the closed conveyor slant to maintain the flow of the inclined end of the tilt to do a slow flow, the main part of the equipment has no transmission part, the use of a new type of coating wheel breathable layer, sealing operation and management is convenient, equipment weight is light, low power consumption