Stirring mechanism for reaction kettle for preparing entecavir intermediate

The utility model relates to the field of chemical production equipment. The utility model relates to a stirring mechanism, and particularly discloses a stirring mechanism for a reaction kettle for preparing an entecavir intermediate. The stirring device comprises a rotating shaft and at least three...

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Hauptverfasser: YAO JIAN, XIA WENJI
Format: Patent
Sprache:chi ; eng
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Beschreibung
Zusammenfassung:The utility model relates to the field of chemical production equipment. The utility model relates to a stirring mechanism, and particularly discloses a stirring mechanism for a reaction kettle for preparing an entecavir intermediate. The stirring device comprises a rotating shaft and at least three inclined stirring parts fixedly mounted on one side of the rotating shaft, at least two transversestirring parts with adjustable heights are also arranged on the other side of the rotating shaft; at least two stirring bottom rods are symmetrically and fixedly mounted on the outer wall of the bottom end of the rotating shaft; wherein the transverse stirring part comprises a transverse stirring rod, the inclined stirring part comprises an inclined stirring rod, a plurality of through holes are formed in the transverse stirring rod and the inclined stirring rod, and flow guide covers corresponding to the through holes in the transverse stirring rod and the inclined stirring rod are fixedly mounted on the transverse s