Ammonia-nitrogen wastewater denitrification device

The utility model discloses an ammonia nitrogen wastewater denitrification device, which relates to the technical field of wastewater treatment and comprises a wastewater treatment pond, a denitrification structure is arranged on the wastewater treatment pond and comprises a denitrification component and a splash-proof component, the denitrification component comprises a denitrification component and a plurality of stirring components, and the splash-proof component comprises two splash-proof components and a transmission component. The denitrification assembly comprises two L-shaped blocks, a mounting box is fixedly connected between the two L-shaped blocks, a forked hose is fixedly connected to the mounting box, the stirring assembly comprises a rotary drum rotationally connected with the mounting box, a plurality of liquid outlet holes are formed in the rotary drum, a plurality of fan blades are fixedly connected to the rotary drum, and the splash-proof assembly comprises two fixing plates fixedly connecte