Portable nitrogen injection diffusing tower

The utility model discloses a portable nitrogen injection diffusing tower, and relates to the technical field of gas pipelines. The device comprises an installation pipe, a ball valve is installed on the upper side of a pipe body of the installation pipe, the bottom end of the installation pipe is communicated with a metal corrugated pipe, and the end, away from the installation pipe, of the metal corrugated pipe is communicated with a gas pipeline; the three-legged support is arranged on the bottom side of the mounting pipe and used for supporting the mounting pipe; the fixing pipe is communicated with the side wall of the mounting pipe, and a pressure gauge is mounted on a pipe body of the fixing pipe; and the nitrogen injection mechanism is used for introducing nitrogen into the gas pipeline. The connecting piece is arranged on the upper side of the mounting pipe, so that the nitrogen injection mechanism and the diffusion mechanism are detachably connected to the mounting pipe, the two independent devices