Fine sand recycling machine is a fine sand extraction device which designed by absorbing foreign advanced technology according to the features of sand powder. It is formed by motor, slurry pump, cyclone ZKR linear vibrating screen, purge tank, refeed bin,etc. This machine is widely used in hydropower station sand aggregate processing system, glass raw material processing system, artificial sand production line, coarse coal slime recovery of coal preparation plant, concentrator tailings recycling and environmental protection engineering (mud purification) and so on, which can effectively solve the problem of fine sand recycling.