The utility model relates to the technical field of denitrifying bacterium agent production, in particular to a low-temperature denitrifying bacterium agent culture device. The device comprises a
temperature control box, a
liquid storage tank and a reaction tank, an upper cover of the
temperature control box is provided with a rotating
pipe connected with the upper cover through a bearing, the rotating
pipe is inserted into the
temperature control box, and the outer wall of the rotating
pipe is connected with at least one stirring rod through a shaft; the rotating pipe is connected with an output shaft of a gear box mounted on the upper cover; a liquid outlet pipe of the
liquid storage tank is inserted into the rotating pipe; a trolley with a bottom plate is arranged in the temperature control box, an electric push cylinder is fixed on the bottom plate, the reaction tank is located above the electric push cylinder, a push rod of the electric push cylinder is connected with the reaction tank, and a rotating pipe
insertion hole is formed in the upper surface of the reaction tank; a
fungus material adding pipe inserted into the temperature control box is arranged on the upper cover; a corresponding
insertion hole is formed in the upper surface of the reaction tank; one side of the temperature control box is provided with a box door for the trolley and the reaction tank to enter and exit. According to the utility model, the transportation of products can be conveniently realized, the problems of sealing and
raw material input are well solved, and the production efficiency is improved.