There are several reasons for the material not discharged from outlet or discharge slowly: 1. The outlet level is higher than the screen surface, the material will stay rotating on the screen surface or accumulate at the gate of outlet. Generally...

dvantage: 1. Can solve the screen mesh blocking efficiently by the ultrasonic transducer which can generate the mechnical and high efficiency low amplitude vibration wave for the screen surface with 98% sieving accuracy , and sieving capacity is ...