Continuous type magnetic dust high-gradient magnetic separation purifying and collecting device

The invention relates to a continuous type magnetic dust high-gradient magnetic separation, purifying and collecting device. An air outlet pipe is arranged on the left side at the upper part of a shell, an air inlet pipe is arranged on the right side at the upper part of the shell, an upper cover is arranged at the upper end of the shell, and a dreg discharge pipe for discharging dregs out of a valve is arranged at the lower end of the shell; a speed reduction motor, of which an output shaft is provided with a gear, is arranged on the upper cover; water is filled at the lower part inside the shell; a front permanent magnet is arranged on the front side at the upper part on the outer wall of the shell, and a rear permanent magnet, of which the polarity is different from that of the opposite end of the front permanent magnet, is arranged on the rear side at the upper part on the outer wall of the shell; a front power ultrasonic transducer is arranged on the front side wall at the lower part outside the shell; a rear power ultrasonic transducer is arranged on the rear side wall at the lower part outside the shell; a radial ultrasonic radiation tube passing through the shell and magnetic separation cylinders is connected with the front power ultrasonic transducer and the rear power ultrasonic transducer; the front power ultrasonic transducer and the rear power ultrasonic transducer are connected with an ultrasonic generator through a lead; sliding rails are arranged on the front side wall and the rear side wall inside the shell; and the magnetic separation cylinders, which areconnected with the speed reduction motor through a transmission mechanism, and of which the upper half parts are positioned in a magnetic field, and the lower half parts are positioned in an ultrasonic field, are arranged outside the sliding rails.