In-vitro scrubbing high-efficiency filter and filter material cleaning method

The invention discloses an in-vitro scrubbing high-efficiency filter and a filter material cleaning method, the in-vitro scrubbing high-efficiency filter comprises a filter tank body and a filter material separation device arranged in the filter tank body, and a screen pipe is arranged in the filter material separation device; a water inlet pipe and a scrubbed filter material suction pipe are arranged at the top of the filter tank body, a scrubbing pump is mounted on the filter tank body, a water inlet of the scrubbing pump is connected with the scrubbed filter material suction pipe, and a water outlet of the scrubbing pump extends into the screen pipe through a scrubbed filter material discharge pipe; a clean filter material discharge port is formed in the bottom of the screen pipe, and the screen pipe and a middle partition cavity of the filter material separation device are connected with a sewage recovery system through an oil stain discharge pipe; a filter material layer and a filter bottom sieve tube la