Blowing and bag returning device for superfine metal silicon powder

The utility model discloses a superfine metal silicon powder blowing and bag returning device which comprises a silicon water bag and a silicon powder blowing pipeline erected outside the silicon water bag, the output end of the silicon powder blowing pipeline is erected above the silicon water bag and is provided with a carbon pipe, the silicon powder blowing pipeline comprises a buffer pipe, a discharge hopper and a spiral material conveying paddle, the buffer pipe is transversely erected, the top of the buffer pipe is provided with a connecting pipe for assembling a flange of the discharge hopper, the flange at the top of the discharge hopper is provided with a sealing plate, the top of the sealing plate is provided with a feeding pipe, and the bottom of the buffer pipe is provided with a servo motor through a fixed seat. According to the blowing and bag returning device for the superfine metal silicon powder, the spiral conveying paddle erected in the vertical direction is embedded in the pipeline through