Automatic screening plant of two vibration -type

The utility model discloses an adjustable automatic screening plant of two vibration -type, be in including monolith support and setting the last screening body, sealed cover plate and the electric vibrating device of monolith support, the screening body includes a rigid fastening circle, the 2nd rigid fastening circle, the 3rd rigid fastening circle, lies in a screen layers of rigid fastening circle and the 2nd rigid fastening circle and lies in the 2nd rigid fastening circle and the 2nd screen layers of the 3rd rigid fastening circle, a screen layers and the 2nd screen layers bear the weight of the net system by flexible screen cloth, middle rolling element and rigidity respectively, sealed cover plate is located the upper end of the screening body last air inlet and the gas outlet of being provided with of sealed cover plate. The utility model discloses screening plant provides the vibration source by the motor, convenient operation safety, and degree of automation is high, can prevent to sieve stifled dyi