Abstract: By increasing wall inclination and installation of silo wall vibrator，raw rice husk storage warehouse was transformed to prevent problems that sticking to wall of rice hull，the arch and discharge was not smooth and other issues.At the same time，grain grading equipment—rice husk distributor was installed into hopper to solve automatic classification of rice husk.Thereby many drawbacks，such as big friction between materials，warehouse transportation difficulties，channel blocking，low production capacity，instability of product quality and automatic classification，which caused by small density of rice husk，rough surface texture and hairy thorn，were effectively solved.Thus labor intensity of workers was greatly reduced，degree of automation and mechanization was improved.