Activated carbon filtering device for sewage treatment

The utility model relates to the technical field of sewage treatment, in particular to an activated carbon filtering device for sewage treatment, which comprises a box body, a quartz filter cartridge, a first stepping motor, a first stirring rod, a medicine storage barrel, an automatic medicine adding mechanism and an activated carbon filtering mechanism, the quartz filter cartridge is mounted in the box body, the first stepping motor is mounted at the upper end of the box body, and the first stirring rod is mounted at the lower end of the box body. One end of the first stirring rod is installed on the top in the box body and connected with the output end of the first stepping motor, the other end of the first stirring rod is located in the quartz filtering cylinder, a gear is installed on the first stirring rod, a water inlet and a water outlet are formed in the upper end and the lower end of the box body respectively, and the medicine storage cylinder is installed at the side end of the box body. According