Electrolytic chlorine production by-product hydrogen recovery system

The utility model provides an electrolytic chlorine production by-product hydrogen recovery system which comprises a liquid inlet pipeline, an electrolytic chlorine production device, a gas-liquid separation device, a hydrogen storage device and a sodium hypochlorite storage device, an outlet of the electrolytic chlorine production device is communicated with an inlet of the gas-liquid separation device, an outlet of the gas-liquid separation device is divided into two paths, one path is communicated with an inlet of the hydrogen storage device, and the other path is communicated with an inlet of the sodium hypochlorite storage device. According to the utility model, hydrogen is collected while a sodium hypochlorite solution is prepared, so that the hydrogen is recycled. 本实用新型提供一种电解制氯副产物氢气回收系统，包括进液管路、电解制氯装置、气液分离装置、氢气储存装置和次氯酸钠储存装置，所述进液管路与所述电解制氯装置的入口连通，所述电解制氯装置的出口与所述气液分离装置的入口连通，所述气液分离装置的出口分为两路，一路与所述氢气储存装置的入口连通，另一路与所述次氯酸钠储存装置的入口连通。本实用新型在制备次氯酸钠溶液的同时收集氢气，以实现氢气的回收利用。