Petrochemical engineering impurity filter

The utility model discloses a petrochemical engineering impurity filter which comprises a filter box and a bottom plate, a filter cleaning mechanism is arranged in the filter box, a vibration filter assembly is arranged at the top of the bottom plate, and the filter cleaning assembly comprises a first filter plate fixedly installed in the filter box. A flow guide plate located on the inner wall of the filter box is fixedly mounted on the left side of the first filter plate. According to the petrochemical engineering impurity filter, petroleum is doubly filtered through a first filter plate and a second filter plate, petroleum is discharged and recycled through a first discharging pipe and a second discharging pipe, the filter box can be driven to rapidly vibrate up and down under the action of a vibration motor, a reset spring, a movable plate and a supporting rod, and the filtering efficiency is improved; and under the action of a rotating motor, a reciprocating lead screw and a threaded block, a scraping pl