(CN111420603) The invention belongs to the technical field of mixing equipment, and particularly relates to a dry type mixing tank; the device comprises a tank body, wherein a main mixing chamber is downwards arranged in the tank body along the middle part, a main rotating shaft is arranged in the main mixing chamber, spiral blades are arranged on the surface of the main rotating shaft, the bottom of the main rotating shaft is connected with a main motor, and the main motor is arranged at the bottom of the tank body; according to the invention, the auxiliary mixing chamber is arranged at the top of the main mixing chamber, in the process of rotation of the auxiliary motor, when the shifting plates rotate, dry materials between two adjacent shifting plates enter between the other two shifting plates through the leakage holes to carry out initial mixing on the dry materials, and meanwhile, when the shifting plates rotate to the bottom of the auxiliary mixing chamber, a part of the dry materials enter the main mixing chamber from the position where the bottom of the auxiliary mixing chamber is communicated with the main mixing chamber.
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