Production line for manufacturing high-stiffness recycled paper

The invention discloses a production line for manufacturing high-stiffness recycled paper. The production line comprises a rack, partition plates are symmetrically arranged in the rack, the rack is divided into an upper cavity, a middle cavity and a lower cavity by the two partition plates, a paper shredder is fixedly connected in the upper cavity, a pulverizer is fixed in the middle cavity, a beater is fixed in the lower cavity, a reaction tank is arranged on one side of the rack, a stirring assembly is arranged in the reaction tank, a sliding groove is formed in the inner side face of the reaction tank, a connecting block is slidably arranged in the sliding groove and is in transmission fit with the driving assembly, a rotating block is rotatably arranged at one end of the connecting block, and a filtering plate is slidably arranged at one end of the rotating block. A feeding assembly is rotationally arranged on the upper end surface of the reaction tank, a slurry fishing machine is arranged on the side, aw