Rotary drum filter

The utility model discloses a rotary drum filter, and aims to solve the problems that a rotary drum needs to continuously rotate in the filtering process, and the service life of the rotary drum is easily shortened due to long-time continuous rotation. According to the technical scheme, the water purifier comprises a box body and a filter drum installed in the box body, the filter drum is rotatably erected in the box body, a water inlet pipe and a water outlet pipe are arranged on the side wall of the box body, the end, away from the box body, of the water outlet pipe is communicated with a purification chamber, and a filter screen flushing mechanism is arranged in the box body; and a control mechanism for driving the filtering drum to rotate intermittently is arranged on the box body. According to the utility model, the control mechanism is arranged to control the filtering drum to realize intermittent rotation in the process of filtering sewage, so that the filtering effect of the sewage can be ensured, and