Study On Glycerin Refining System Based On MCGS

With the computer technology and process control technology development, the process control objectives aimed by people have been increased to improve the production management, to improve product quality, to conserve energy, and to reduce production costs of standards; so that the development of the current process control made a lot of new requirements, how to use computer to better manage and control the production process has become increasing the concern of enterprise.to realize the entire production line monitoring, enterprise management and control integration has become the only way for the development of enterprises.Glycerin refining process is very complicated, but the condition is more serious, it relates to temperature, pressure, flow, material level such as a large number of physical parameters, including physical changes, chemical reactions such as complex process. Glycerol production process for such a complex production process, automatic control of the main objective is to ensure personal and equipment under safe conditions, stable production process conditions, to avoid the man-made product quality and output volatility, to ensure that production can get the most benefit. This automatic control of the production process put forward higher requirements. Through advanced means of control must be the key process parameters to achieve the stabilization of monitoring, To ensure that production output and quality goals in order to obtain maximum production efficiency.At present, large-scale petrochemical, chemical and other industries have adopted the DCS used in the production process monitoring, but a set of DCS expensive, the price of a medium-sized DCS while moving millions, or even tens of millions, the cost is too high, right in the simply too much for small businesses; two DCS system in general closed, compatibility bad. Light of this, developing low cost, good compatibility with independent property rights monitoring system not only meet the market demand, with better economic value, but also has a high social value.Glycerin refining process for the internal mechanism is very complex, multi-channel process, constraints, harsh and demanding characteristics of the control, using high-speed data acquisition technology and multi-loop control technology to achieve the right temperature, pressure, flow, level and other parameters of the exact spot control; for glycerin was charged with refining process parameters with time-varying, non-linear characteristics, the use of fuzzy PID control strategy design of fuzzy PID controller to improve accuracy and stability control systems to achieve optimal control. MCGS-based DCS configuration glycerin refining technology of intelligent, distributed network monitoring,Greatly enhance the production level of automation, reducing production costs. In addition, the design of monitoring system, full-featured, configuration is simple and convenient, less investment, pure Chinese language interface, programming simple, real-time performance, installation, commissioning and easy expansion of performance, the design of the system design is complete, may be some slight modifications can be put into other areas such as petrochemicals, food pharmaceuticals, machinery casting, metallurgy, thermal power plants and other industries, is extremely broad application prospects.