Abstract:Slag grinding production process has the characteristics of strong coupling, nonlinear, large lag, caused the human carries on the effective control of a very difficult problem. Put forward a kind of slag grinding process closed loop control system, on the basis of long-term equipment and technology research, collecting a large amount of data with the help of the Internet of things technology, combined with the expert experience and development trend, through data analysis to real-time monitoring conditions closed-loop control method research slag grinding production process; System increases the front-end slag moisture on-line detection, enhance the system response speed in advance, on-line inspection in the back-end through micro powder particle size, form a closed loop control; Alternative to manual fine adjustment during the production process, automatically correct parameters change, and optimize the parameter matching. System used in a production site, Obvious operation results have been achieved.