Mixing device for neutralizing water tank

The utility model discloses a stirring device for a neutralizing water tank, which is characterized by comprising the neutralizing water tank (1) and a pipeline (3), one end of the pipeline is connected with a compressed air header pipe (2); an adjusting gate valve (4) and a check valve (5) are arranged at the end, entering the neutralization water tank, of the pipeline (3); three gas distribution branch pipes (6) are fixed at the bottom of the neutralization water tank; gas distribution holes (9) are uniformly distributed in pipelines of the gas distribution branch pipes, the gas distribution pipes (8) at the two ends and the gas distribution pipe (7) in the middle; and the air distribution holes are inclined upwards at an angle of 270 degrees with the horizontal plane. According to the utility model, the water in the neutralizing water tank can be quickly and uniformly stirred, the operation of the existing desalted water system is not influenced, the operation time of the neutralizing water pump (12) is sh