The utility model provides a 3000L blending tank which comprises a blending tank body, adjustable supporting legs, a Miller plate jacket, a frame type wall scraping rack, a feeding hole, a CIP (cleaning in place) spraying hole, a pressure manhole, a sterile air inlet, a sterile ventilation cap connector and a dispersion
machine, and the top of the blending tank body is connected with the frame type wall scraping rack through a stirring connector; the periphery of the top of the frame type wall scraping rack comprises a motor and a speed
reducer, the frame type wall scraping rack is provided with a torsion
paddle in the middle of the blending tank body, the frame type wall scraping rack is provided with a teflon scraping plate on one side of the bottom of the torsion
paddle, and one side of the top of the blending tank body is provided with a pressure manhole with a
sight glass. A motor for frame type wall scraping stirring is variable in frequency, the stirring rotating speed can be adjusted, the appropriate rotating speed can be adjusted according to different materials, stirring better fits the material characteristics, the better
mixing effect is achieved, a twisting
paddle is arranged in the stirring middle, the materials are better mixed up and down, the teflon scraping plate is arranged, the materials are prevented from being attached to the tank wall, and the materials are prevented from being burnt in the heating process. The function is powerful.