The Research Of Distributed Control Systems In The Process Control Of Boiling Sugar

Boiling Sugar is the last link in the sugar industry, but it's the most important link. After a preliminary understanding of the manufacturing status of the sugar refineries in china, we found that Many problems still exist in some small and medium-sized enterprise, such as equipment is Outdated; degree of automation is relatively low; these factors affected the productivity and the quality of raw sugar. In the whole production process, the press, put juice, honey several hours and separation are basically Section automation, However, evaporation, Boiling Section has always relied on experienced workers Probation control, the lack of automation. In contrast, foreign sugar automation technology is more mature, and ancillary equipment is perfect. For small and medium-sized enterprise. Importing complete sets of equipment can be achieved complete Process automation and Improve production efficiency, which greatly raised the cost of manufacturing sugar, and existing facilities cannot be effective utilization , The advantages of cheap labor in China unable to function effectively at the same time . Therefore, It is necessary and very meaningful that realizing production automation in the original equipment and finding a method which can online detection and dynamic adjustment to Process of Boiling Sugar.The topic researched decentralized management of centralized control (DCS) System during the boiling sugar processes at the current domestic situation, design of continuous boiling sugar control system was realized. Continuous boiling sugar system has characteristics of save calories, automatic control, cook sugar to shorten time and improve the quality of sugar paste, grains etc. It can reduce labor intensity, save labor and the working environment is good, low-input, reduce maintenance costsThe main content of this paper is establishing a DCS workable process control system of boiling sugar. On the basis of mechanism of boiling sugar of cane and the basic elements and the experiences of boiling sugar, by analyzing the affection of the elements of the process of boiling sugar to quality of the sugar boiling, synthesize traditional control and advanced intelligent control, using PID control theory and the theory of fuzzy , Implement control to process of the complex physical and chemical boiling sugar of cane. Overall program was design for boiling sugar DCS control system. Focus of designation was fuzzy control of themost important parameters of boiling sugar — supersaturation and optimize it for a while. It is studied that DCS boiling sugar control and network communication control system, etc.