测控、自动化专业毕业论文--完整版

@@@@@@@大学本科生毕业设计说明书（毕业论文）题目：高炉自动测控系统设计学生姓名：学号：专业：班级：指导教师：内蒙古科技大学毕业设计说明书（毕业论文）I高炉自动测控系统设计摘要高炉生产是一种规模大、要素多、要求严格的冶炼过程。首先配料必须准确，出一点差错将会对高炉产生很大的影响，导致高炉休风、甚至还有可能停产。高炉是炼铁生产的核心设备，其良好的运行能为后续的生产过程提供充足而优质的原料保证，这就对控制系统的可靠性提出了较高的要求。在高炉生产过程中，炉体温度、冷却水的温度和流量、煤气压力等都是高炉的基本参数，其中煤气压力最为重要，其稳定性直接影响高炉的正常生产。因此本文重点对高炉煤气压力控制系统进行分析研究。在高炉的生产中，高炉生产效率提高、高炉煤气的充分利用、TRT电量的提高等都是高炉的关键因素。本论文采用干湿两种除尘法，针对高炉煤气回收系统及干湿两用TRT的特点，设计了环缝炉顶压力控制系统、干式TRT与旁通控制阀配合控制的炉顶压力控制系统以及两系统间的无扰动相互切换等技术。它实现了高炉炉顶压力的稳定控制，优化了控制品质，提高了操作水平，对促进高炉生产、提高利用系数和增加TRT发电量都起到了积极作用，在炉顶压力控制中，将压力控制在145kPa左右，数据波动不大于5kPa，炉喉温度在850℃左右，热风炉温度控制在1300℃左右。关键词：高炉；TRT；炉顶压力控制；炉喉温度；热风炉温度内蒙古科技大学毕业设计说明书（毕业论文）IIDesignofautomaticcontrolsystemforblastfurnaceAbstractTheproductionofblastfurnaceisakindoflargescale,multiplefactors,thesmeltingprocessofstrictrequirements.Firstofalltheingredientsmustbeaccurate,alittlemistakewillhaveagreatinfluenceontheBF,resultinginblast-furnacedamping-down,mayevenstopproduction.Theblastfurnaceisthecoreequipmentoftheiron-smeltingproduction,anditsgoodoperationcanprovidesufficientandhighqualityrawmaterialguaranteeforthefollow-upproductionprocess,thereliabilityofthecontrolsystemputforwardhigherrequirements.Intheprocedureofproductionofblastfurnace,furnacetemperature,coolingwatertemperatureandflowrate,gaspressurearethebasicparametersofblastfurnace,thegaspressureisthemostimportant,thenormalproductionanddirectlyaffectthestabilityofblastfurnace.Thispaperfocusesontheanalysisofblastfurnacegaspressurecontrolsystem.Inblastfurnaceproduction,improveproductionefficiencyofblastfurnace,blastfurnacegas,thefulluseofTRTimprovedcapacityarekeyfactorsofblastfurnace.Inthispaper,thedryandwettwodedustingmethod,accordingtothecharacteristicsofthedual-purposeTRTblastfurnacegasrecoverysystemandthedesignofwetanddry,theannularfurnacetoppressurecontrolsystem,dryTRTandbypasscontrolvalvewithtoppressurecontrolundisturbedswitchingtechnologysystemandthetwosystem.Itrealizesthestablecontrolofblastfurnacetoppressure,optimizingthecontrolquality,improvetheoperationlevel,topromotetheproductionofblastfurnace,improvetheutilizationcoefficientandtheincreaseofTRTpowergenerationhasplayedapositiverole,inthecontroloftoppressure,thepressurecontrolinabout145kPa,datafluctuationislessthan5kPa,thetemperatureinthefurnacethroat850℃,hot-blastfurnacetemperatureat1300℃.内蒙古科技大学毕业设计说明书（毕业论文）IIIKeywords:TRT;blastfurnace;furnacetoppressurecontrol;furnacetemperature;hotblaststovetemperature内蒙古科技大学毕业设计说明书（毕业论文）IV目录摘要.........................................................................................................................................IAbstract......................................................................................................................................II前言........................................................................................................................................1第一章绪论..............................................................................................................................21.1课题背景及研究意义.................................................................................................21.2高炉炼铁技术现状与发展趋势.................................................................................21.3高炉炼铁控制技术现状与发展趋势.........................................................................41.4主要研究内容及章节安排.........................................................................................41.4.1主要研究内容...................................................................................................41.4.2章节安排...........................................................................................................4第二章高炉炼铁生产工艺流程...............................................................................................62.1高炉结构组成.............................................................................................................62.2高炉工艺原理.............................................................................................................72.3本章小结.....................................................................................................................9第三章高炉自动测控系统设计.............................................................................................103.1测控要求及测控参数...............................................................................................103.1.1测控要求.........................................................................................................103.1.2测控参数.........................................................................................................103.2自动检测系统设计...................................................................................................103.2.1温度检测系统设计.........................................................................................103.2.2压力检测系统设计.........................................................................................11内蒙古科技大学毕业设计说明书（毕业论文）V3.2.3流量检测系统设计.........................................................................................113.3自动控制系统设计................