Backwash filter

The utility model discloses a backwashing filter which comprises a filter shell, a separation filter screen, a partition plate, a connecting frame, a water outlet pipe, a water outlet pipe electric valve, a left filter assembly, a right filter assembly, a water inlet pipe and a controller. The internal pressure of the left filtering assembly and the internal pressure of the right filtering assembly are detected through the pressure gauge, when the pressure is too large, the left filtering assembly and the right filtering assembly are sequentially and respectively subjected to backwashing, the flow direction of water flow is controlled by controlling the electric valve, and the electric valve and the pressure gauge are both connected with the controller. The backwashing process is automatically started by the controller according to the pressure, so that the effect of automatically backwashing is achieved, the filter can be conveniently and timely backwashed, and the problems that the filter screen is seriousl