The double-layer potato powder / brick clay insect linear vibrating screen is specially used for the screening of potato powder and other materials.This machine is composed of the vertical vibration motor, a sieve bottom, a mesh frame, sieve room, rubber vibrating bowl, and all fastening pieces etc, It can be operate for the sorting purpose either in single layer sieve or multi-layer sieves with compact structure, easy operating , smooth running, low noise, goog fineness, and wide applicability etc.