Acid and ammonia neutralizing tank

The utility model discloses an acid and ammonia neutralizing tank, which comprises a tank body (1); an ammonia inlet tube (2) and an acid inlet tube(3) are arranged in the tank body (1); a discharging opening (a) is formed at the central part of the tank (1); a liquid outlet tube is installed at a liquid outlet. The utility model is characterized in that an ammonia spraying tube (2a) is arranged on the ammonia inlet tube (2); the ammonia spraying tube (2a) is positioned on the axis of the tank (1) and lower than the discharging opening (a); and at least a circle of ammonia spraying holes (b) are evenly distributed on the wall of the ammonia spraying tube (2a). The utility model has the remarkable effects of realizing the sufficient and moderate neutralization reaction between ammonia and acid, and avoiding strong vibration caused by violent reaction; and the ammonium neutralizing tank can be conveniently installed on the roof of a building, thereby saving floor area, providing space height and temperature con