Chlorination reaction device for bleaching powder production

The utility model discloses a chlorination reaction device for bleaching powder production, which relates to the technical field of bleaching powder production and comprises a support, multiple stages of reaction barrels are sequentially arranged on the support from top to bottom, a feed port is arranged on the upper side of one end of each reaction barrel, a discharge port is arranged on the lower side of the other end of each reaction barrel, and a stirring device is arranged in each reaction barrel. One end of the stirring device penetrates through the reaction charging barrels and is provided with belt wheels, the reaction charging barrels arranged from top to bottom are sequentially connected in series through soft sleeves, the belt wheels arranged from top to bottom are sequentially connected in series through driven chains, the reaction charging barrel at the lowest part is provided with an air inlet, and the reaction charging barrel at the uppermost part is provided with an air outlet. And the stirrin