Analysis and Application of Boiler Drum Water Level Measurement and Control System
TAO Wen-zhen, ZHOU Xi-zheng (Automation and Instrument Group of Second Department, China Light Industry Nanning Design Engineering Co., Ltd., Nanning 530031,China) Abstract:This paper analyzed various factors which impact drum running. and the importance of drum water level measuring and control is raised, also introduced the application of a variety of instruments and three kinds of control methods in conventional drum water level measuring. and then, we conclude the best measure method and control strategy by comparing all the possibilities. Finally,based on practical application, it proves the superiority of this measure method and control strategy. Key words:boiler drum water level;measurement;three-element;control;application |