Full automatic mechanical grid

　　The device is made of ABS engineering plastics, nylon or stainless steel special tooth harrow, according to certain sequence assembly in tooth shaft to form a closed type tooth chain, the lower part of the installation in the water tank. Using transmission system drives the chain rake teeth do uniform directional rotation movement, the upstream from the bottom up to the solid impurities in sewage carry out, and send first slag bucket at, solid-liquid separation.