硫酸厂余热锅炉DCS控制系统改造与应用

《硫酸厂余热锅炉DCS控制系统改造与应用》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、分类号:TP277密级:学号:G10033XI’ANUNIVERSITYOFSCIENCEANDTECHNOLOGY硕士学位论文ThesisforMaster’sDegree硫酸厂余热锅炉DCS控制系统改造与应用申请人姓名:王强指导教师:付周兴(校内)税新峰(校外)类别:非全日制专业学位硕士工程领域:电气工程研究方向:锅炉DCS控制系统应用研究2018年6月outareasonableandfeasiblesolutionforthewatersupplyselfadjustmentofthecascadet

2、hreeimpulseboilerandimplementeditinthefieldafterthesimulationandverificationoftheSimulinksimulationsoftwarepackage.ThenewschemeofselfadjustingcontrolofboilerdrumliquidlevelcorrectionmodifiedtheshortcomingsoftheboilerdrumliquidlevelDCSselfadjustingcontrolsys

3、temintheoriginaldesignandconstructionprocess,whichmadethe"falsewaterlevel"effectivelysuppressed,andthedrumliquidlevelsuccessfullyrealizedthelongandreliableandreliableautomaticregulationandcontrolintherangeofthetechnicalindexallowablerange.System.Thoroughlye

4、liminatethehiddentroublethatfrequentlycausesaccidentsofboilerandmatchingturbogeneratorunit,andgreatlyenhancetheautomaticcontrollevelandreliabilityofboilerDCSmonitoringsystem.Itnotonlymakestheselfadjustingcontrolofthedrumliquidlevelstableandreliable,reducest

5、heworkingstrengthoftheboileroperatorandimprovestheworkingefficiency,butalsoensuresthesafe,stableandefficienteconomicoperationoftheboiler.Keywords:Boiler,Accident,Falsewaterlevel,Reform,Drumlevel,DCSautomaticcontrolThesis:ApplicationResearch目录目录1绪论..........

6、....................................................11.1硫酸厂生产线概述................................................11.1.1工艺流程简述.................................................11.1.2余热锅炉简述.................................................21.1.3DCS控制系统简述........

7、.....................................31.1.4锅炉DCS控制系统简述........................................41.2因锅炉操作控制导致的事故概述....................................61.2.1主要事故简述................................................61.2.2事故原因剖析.....................................

8、...........61.3课题研究主要内容及设想..........................................71.3.1主要研究内容及目的..........................................71.3.2课题研究开展设想............................................101.4课题研究及应用意义....