| 摘要 |
PROBLEM TO BE SOLVED: To provide a jet mixer which is capable of inhibiting deposited matter from being caused or preventing deposited matter from being grown, by a comparatively simple process. SOLUTION: In this jet mixer, a cylindrical tube 10 is inserted into a power tube 3 in such a way that the tube 10 is laid inside the tube 3 in the range from the rear end side 3a of the tube 3 to a position below a granule charging port 4a and cutting edges 10b are formed in the cylindrical tube 10. When a driving gear 16 is rotated by the drive of a first driving motor 14, the rotational force of the driving gear 16 is transmitted to a gear 12 to rotate the cylindrical tube 10. Also, a nozzle 2 is placed in such a way as to interpose a space L between the nozzle 2 and the adjacent one end of the cylindrical tube 10. Further, a vertical tube 17 communicated with the inside of the power tube 3 is placed right below the granule charging port 4a and a cylindrical tube 22 having an outer diameter slightly smaller than the inner diameter of the vertical tube 17 is inserted into the vertical tube 17 and also cutting edges are formed inside the cylindrical tube 22. When a driving gear 28 is rotated by the drive of a second driving motor 26, the rotational force of the driving gear 26 is transmitted to a gear 24 to rotate the cylindrical tube 22.
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