Container exhaust device

The utility model relates to the technical field of container exhaust, in particular to a container exhaust device which comprises a container body, an exhaust frame and a supporting rod, the exhaust frame is slidably connected to the middle of the upper end of the container body, an exhaust fan is rotatably connected to the lower end of the inner side of the exhaust frame, and the supporting rod is fixedly connected to the outer side of the upper end of the exhaust frame. The upper end of the supporting rod is fixedly connected with a waterproof cover, the outer side of the lower end of the exhaust frame is connected with a bottom connecting pipe in a sealed mode, and the outer end of the bottom connecting pipe is connected with a rotary liquid injection pipe in a sealed mode. The exhaust frame and the top exhaust pipe can be installed in a limited mode through connection of the threaded connection sleeve and the threaded connection pipe, the exhaust device is convenient to disassemble and use, gas can be ex