The Application Research Of PLC On The Programmed Coal Handing System In The Thermoelectricity

Coal handing system is an important component element of auxiliary systems in the fuel electric plant, which transports coal from source to yard, and then puts coal into the dunker of the core. It also can guarantee the fuel electric plant work stably and reliably. This stability and reliability of the coal handing system is the most important guarantee of the power unit, even in the whole power station.The article has its setting in the programmed control system of Chenming Thermoelectric Plant and researches some application problems of PLC. The primary coverage is as follows:â… . According to the demand on actual equipment, the process flow of the whole plant, the article has its demand analysis. It talks about the concrete condition before transforming, the present structure and feature, the existing problems and the necessity of transforming.â…¡. The article designs the program of the system. It generally discusses the system structure, the design practice, the configuration form and the main composition etc aiming at the process requirements. So it gets the right program.â…¢. The article talks about the overall design and actual operation of the system. It has a discussion on the implementation process from the ascertaining capacity, making choices of equipments, controlling program and strategy, hardware configuration and program realizing etc.â…£. The article discusses the function after the implementing the new system. It discourses upon the main realizing control functions and generally describes the supervisory pictures.We will implement data acquisition, centralized operation, real-time monitoring, data storage and fault alarm etc. of the programmed control system successfully and improve the ability of controlling and managing completely. We also can reduce labor intensity of the operators, save maintenance cost after practicing the new system.