High-viscosity polymer polycondensation reactor based on combined stirring mechanism
A polycondensation reactor and stirring mechanism technology, applied in chemical/physical/physicochemical fixed reactors, mixers with rotating stirring devices, mixers, etc., can solve the problem of prolonged residence time, long production process, polymer Viscosity can not be further improved to achieve the effect of increasing the surface renewal rate and reducing the adhesion film
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Embodiment 1
[0074] Example 1 (ring disk stirrer + spiral blade stirrer)
[0075] like figure 1 As shown, a high-viscosity polymer polycondensation reactor includes a horizontal cylindrical shell and a combined stirring mechanism arranged in the horizontal cylindrical shell. The bottom ends of the horizontal cylindrical shell are respectively provided with feeding materials. Port 1 and discharge port 2, the horizontal cylindrical shell is also provided with a gas phase port 3 on the side of the discharge port. The horizontal cylindrical shell includes an inner cylinder 18, a jacket body 19 (which can be heated by a heat medium) arranged on the outside of the inner cylinder, and end caps 20 arranged at both ends of the inner cylinder and the jacket jacket; The end cover is provided with a rotating shaft sleeve 21 for sealing and supporting the rotating shaft. The cross section of the inner cylinder is circular, and the centerline of the combined stirring mechanism is lower than the center...
Embodiment 2
[0081] Example 2 (cage frame type mesh disk stirrer + spiral blade type tube disk stirrer)
[0082] The difference between this embodiment and Embodiment 1 is:
[0083] The cross section of the inner cylinder is in the shape formed by connecting the upper and lower sides of the rectangle with a semicircle of the same radius, and the centerline of the combined stirring mechanism is concentric with the centerline of the lower semicircle in the cross section of the inner cylinder.
[0084] like Figure 5-6 As shown, the first agitator is a cage-type mesh disc agitator, including two circular flower plates 10, several strips 11, several mesh discs 12, inner short shafts 13 and outer short shafts 14; the strips Parallel to the axial direction of the horizontal cylindrical shell, the two circular flower plates are respectively vertically fixed to the two ends of the strips, and the mesh disks are vertically fixed to the axial direction of the strips in series. The plate, the slats...
Embodiment 3
[0086] Example 3 (ring disk stirrer + spiral ring tube stirrer)
[0087] The difference between this embodiment and Embodiment 1 is that the second stirrer adopts a spiral ring tube stirrer. like Figure 7-9 As shown, the spiral ring tube agitator includes a second shaft 4 and a spiral ring tube 5b axially fixed to the second shaft; the spiral ring tube is projected along the axial direction of the second shaft by several axial projections with different diameters and lengths. The two ends of the second rotating shaft are respectively supported by the rotating shaft sleeve 21 fixed on the discharge side end cover 20 of the cylindrical shell and the sliding bearing seat 16 inside the cylinder. A shaft sleeve 53 is provided on the second rotating shaft, and the spiral ring is fixed on the shaft sleeve through a plurality of support bars 52 . The length of the helical ring with a larger diameter is greater than that of the helical ring with a smaller diameter, and the number of...
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