| 摘要 |
The present invention relates to a mixing device (100), including: at least one rotor (101) supporting mixing blades (101a) and being capable of being rotated; all annular ring (103) surrounding the rotor and having at least one axial opening (103a) and radial mixing openings (103b) associated with the mixing blades so as to allow the passage of the mixture therethrough; at least one particle-conveying line (104) leading to the inside of said ring, characterized in that the annular ring has a recirculation stage (105) placed between the conveying line and the radial mixing openings, said recirculation stage including at least two axially consecutive rows of radial openings (105a).
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