With the rapid development of building industry, the sand has a big demand for building engineering. The river sand, as a local resource, can not reborn again at a short time with a phenomenon of decreasing of natural sand in the world even no natural sand existing in some area.

Vibrating feeder in sand production line to avoid continuous evenly feed crusher crusher is blocked by mouth. Using the centrifugal force produced by the rotation of eccentric block in the vibrator, cause the sieve, vibrators and other moving parts as the compulsory or approximate the continuous circular movement. Material with the screen stays in tilt…