Star wheel counter-prying rotor system applied to fermenter

The utility model relates to a star wheel counter-prying rotor system applied to a fermenter. The system comprises a frame (1), a box body (2) erected on the frame (1) and a star wheel counter-prying rotor system (3) mounted in the box body (2); the box body (2) comprises an inner shell (2.1) and an outer shell (2.2), the two of which are arranged as U-shaped plates; the star wheel counter-prying rotor system (3) comprises a driving star wheel rotor mechanism (3.1) and a driven star wheel counter-prying mechanism (3.2); the driving star wheel rotor mechanism (3.1) comprises two planetary plates (3.1.1) which are erected on left and right side plates (2.3), a plurality of star wheel driving shafts (3.1.2) are connected between the two planetary plates (3.1.1), and a plurality of driving star wheel stirring rods (3.1.3) are arranged on each star wheel driving shaft (3.1.2); the driven star wheel counter-prying mechanism (3.2) comprises two driven discs (3.2.1) arranged on the left and right sides, a plurality o