The ZD-40 sandstone separator uses vibration motor excitation as a source of vibration power, so that the material is thrown up on the screen, and at the same time, a linear motion is made forward. The material enters the feed inlet of the vibration screen evenly from the guide tank. High strength vibration sieve is discharged through special specifications sieve. It has the characteristics of low energy consumption , high output , simple structure , easy maintenance , open structure, automatic discharge, etc., and is suitable for the disposal of waste and residues in concrete mixing stations.