Biological contact oxidation sewage treatment device based on efficient biological base material

The utility model discloses a biological contact oxidation sewage treatment device based on a high-efficiency biological base material, which relates to the technical field of sewage treatment, and comprises a grating water collecting tank, one side of the grating water collecting tank is connected with the left side of biochemical equipment I through a water supply pipe, and the right side of the biochemical equipment I is connected with one end of a sewage pipe I; the second biochemical equipment comprises a second biochemical pool body, the top of the left end of the second biochemical pool body is connected with the other end of the first sewage pipe through a second upper water inlet, five partition plates are connected into the second biochemical pool body in a clamped mode through partition plate clamping grooves from left to right, and the bottoms of the partition plates are connected with the bottom of the second biochemical pool body through partition plate supporting stand columns. And the inside o