Nitrogen and phosphorus removal filtering device

The utility model discloses a nitrogen and phosphorus removal filtering device which comprises a bottom frame, a filtering barrel is fixedly connected to the top of the bottom frame, a fixing column is fixedly connected to the top of the inner wall of the filtering barrel, a filtering net is fixedly connected to the inner wall of the filtering barrel, a cleaning assembly is arranged in the filtering barrel, and the cleaning assembly is located between the filtering net and the top of the filtering barrel. And the cleaning assembly comprises a driving motor, the output end of the driving motor is fixedly connected with a fixing frame, the bottom of the fixing frame is fixedly connected with a collecting cover, and the top of the collecting cover is fixedly connected with a collecting pipe. After wastewater added with a chemical reagent is introduced into the filter barrel, condensed phosphate in the wastewater is filtered out by the filter screen, the filtered phosphate is accumulated on the filter screen, the