Automatic feeding system of bromine reduction reaction tank

The invention relates to the technical field of bromine production equipment, in particular to an automatic feeding system of a bromine reduction reaction tank, a liquid inlet detection assembly comprises an inverted T-shaped pipe, the bottom of the inverted T-shaped pipe is inserted into the bottom of the side wall of the reaction tank, a support sleeves the outer end of the bottom of the inverted T-shaped pipe, and a PH value sensor module and a chloride ion sensor module are inserted into insertion holes of the support. The circulating liquid pump is connected with the inverted-T-shaped pipe and the flow dividing pipe, the flow dividing pipe is provided with a flow dividing connector, the jet flow mixer comprises a main straight pipe and a side connector which are connected to the flow dividing connector, and an acid liquor supply valve module and a chlorine supply valve module are installed at the two ends of the top of a tee joint connected with the flow distributing pipe respectively. An output connecto