工业自然循环锅炉控制系统设计  

Design of Natural Circulation Industrial Boiler Control System

作　　者：孙蓉[1] 吕淑平[1] 李冰[1] 苏丽[1] 

机构地区：[1]哈尔滨工程大学自动化学院,黑龙江哈尔滨150001

出　　处：《实验室研究与探索》2014年第12期39-43,48,共6页Research and Exploration In Laboratory

基　　金：黑龙江省高等教育学会高等教育科学研究"十二五"规划课题(HGJXHC110370);2013年黑龙江省教育教学改革项目(JG2013010203);黑龙江省高等学校教改工程项目(JG2012010147)

摘　　要：研究了工业自然循环锅炉中各个控制系统之间的联系及耦合,选择各个合适的阀门、PID控制器以及三冲量控制法,针对交叉限幅燃烧控制的方法存在的缺陷改进设计出了变偏置双交叉限幅燃烧控制系统,并结合前馈补偿的解耦方法设计工业自然循环锅炉的控制系统,从而完成对自然循环工业锅炉整体的控制。对所设计的控制系统进行了仿真验证,指标满足了要求,实现了用最少的燃料产生最大的热量,从而实现了高效、节能、低碳、环保的目的。The natural circulation boiler is most widely used around the world as a boiler,and its effective control can greatly improve energy efficiency and reduce energy consumption, while can achieve the effect of low-carbon environment. Therefore,the design of the natural circulation boiler industrial control system is of very important significance. Firstly,this paper studies the links between the various control systems and coupling of the industrial natural circulation boilers. Secondly it selects the appropriate valve and controller for each device,and uses threeelement control law. Aimed at improving the flaws of the cross amplitude limit combustion control method,the variable offset double cross limit combustion control system is designed and combined with the decoupling method of feed forward compensation to design of the control system of the industrial natural circulation boiler. Thus,the whole control of the natural circulation industrial boiler is completed. Finally,the simulation of the designed control system shows that it can meet the requirements and produce the greatest amount of heat achieved with the least amount of fuel,so as to realize the high efficiency,energy saving,low carbon,environmental protection purposes.

关 键 词：工业自然循环锅炉 变偏置双交叉限幅燃烧控制 三冲量控制法 前馈补偿解耦 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]