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克劳斯法硫磺回收控制系统的设计与实现
Design and Implementation of Proportional Control System in Claus Sulfur Recovery
收稿日期:  
DOI:10.11980/j.issn.0254-508X.2018.03.011
关键词:  硫磺回收  H2S与O2比值  分数阶PID  双自由度
Key Words:sulfur recovery  H2S and O2 ratio  fractional order PID  double degree of freedom
基金项目:陕西科技厅项目(2014k06-10)。
作者单位
沈雅斐 陕西科技大学机电工程学院陕西西安710021 
李明辉 陕西科技大学机电工程学院陕西西安710021 
杨星奎* 陕西科技大学机电工程学院陕西西安710021 
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摘要:针对克劳斯法硫磺回收反应炉内H2S与O2比例控制的非线性和大时滞等问题,本设计提出了一种分数阶PID控制器的双自由度Smith预估控制系统算法策略。通过分析克劳斯法硫磺回收工艺,设计出H2S与O2比值控制系统中的设定值跟踪控制器、干扰衰减控制器双控制器。系统运行调试结果表明,与传统PID控制器相比,本设计控制的H2S与O2比值设定值跟踪响应速度快,振荡小,稳定性好,减小了定量偏差,可有效克服系统的大时滞、非线性等问题。
Abstract:In order to solve the problem of nonlinear and large time delay of H2S and O2 proportional control in Claus sulfur recovery reaction furnace, this paper presented a dual degree of freedom Smith predictor algorithm of fractional order PID controller.Through the analysis of Claus sulfur recovery process,double controller set point tracking controller and disturbance attenuation controller of H2S and O2ratio control system was designed. Compared to traditional PID controller, the system debugging results showed that: H2S and O2 ratio of the algorithm control set point tracking response faster, with small vibration, good stability, and less the quantitative deviation, could effectively overcome the time delay, nonlinear problems.
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