In a project in 2020, sodium hypochlorite disinfectant is produced by electrolysis of brine to disinfect articles, which can decompose by itself and is harmless to human body. The concentration of the disinfection instrument formed by different concentrations of brine is not the same, and it is not to say that the more the better, there is an optimal value, so the salt box is designed, and in a small space, the salt output of the salt box needs to be designed., Carry out the structure of automatic and quantitative pouring.