Microbial bacteria fermentation culture tank for microbial organic fertilizer

The utility model discloses a microbial bacterium fermentation culture tank for a microbial organic fertilizer, and belongs to the technical field of culture tanks. Comprising a shell, a spherical culture tank body, a feeding pipe, a discharging pipe, a stirring rod, an oxygen supply assembly, a first driving assembly and a second driving assembly, the culture tank body comprises an upper tank and a lower tank, and the bottom of the upper tank and the top of the lower tank are movably connected and communicated with each other; the upper tank is fixed to the inner wall of the shell, the bottom of the lower tank is fixedly connected and communicated with the upper end of the discharging pipe, and the lower end of the discharging pipe is movably connected to the bottom of the shell and penetrates through the bottom of the shell; the stirring rod is positioned in the lower tank and sleeves the lower end of the feeding pipe; an electric heating element is embedded in the stirring rod; the oxygen supply assembly c