大型机组定压与滑压运行经济管理知识分析VIP免费

分类号郑州电力高等专科学校毕业设计（论文）题目大型机组定压与滑压运行的经济性比较并列英文题目Theeconomiccomparisonofconstantpressureandslidingpressureoperationforlargeunit系部动力工程系专业火电厂集控运行姓名郭登攀班级集控0901指导教师李丽萍职称副教授论文报告提交日期2012.06郑州电力高等专科学校摘要本课题先描述了2011年的电力供需形势，涉及到电厂的节能减排，然后引入了“等效热降理论”。重点讨论了用等效热降的方法给予定量分析和计算。然后用该方法对大型机组的定压调节和滑压调节进行定量分析，比较它们的经济性，确定了型机组在同负荷下滑压运行比定压运行时的经济性要高。关键词：定压运行滑压运行经济性比较AbstractThistopicdescribesthe2011yearofpowersupplyanddemandsituation,involvingpowerplantenergy-savingemissionreduction,andthenintroduces"equivalentheatdroptheory".Focusedonquantitativeanalysisandcalculationofequivalentheatdropmethod.Andthenusethismethodtoslidelargeunitsofpressureandpressureofaquantitativeanalysis,comparisonoftheireconomy,slidingpressureoperationdeterminesthetypeofunitinthesameloadthantheconstantpressureoftherunningoftheeconomytohigh.Keyword：ConstantpressureregulationSliding-pressureregulationOfeconomicRelatively目录一.前言..........................................................11.12011年电力供需形势.......................................11.2电厂节能理论与措施.......................................11.3本课题研究思路与意义.....................................3二.等效热降的理论基础............................................42.1等效热降的概念...........................................42.1.1概述................................................42.1.2等效热降的概念......................................52.1.3计算符号和公式的规定................................62.2抽汽等效热降.............................................82.3等效热降之间的关系......................................112.3.1疏水放流式加热器与其后相邻加热器之间的等效关系.....112.3.2汇集式加热器之间的等效热降关系.....................132.4等效热降的应用..........................................142.4.1内、外纯热量出入热力系统...........................162.4.2携带工质的内外热源进入热系统.......................162.4.3带工质的热量出系统.................................172.5再热机组的等效热降.......................................182.5.1概述...............................................182.5.2定热量抽汽等效热降.................................192.5.3定热量新蒸汽等效热降...............................202.5.4定热量等效热降应用特点.............................202.5.5变热量等效热降.....................................232.5.6等效热降的条件.....................................242.5.7等效热降应用的基本法则.............................24三.定压与滑压运行方式比较.......................................253.1定压运行.................................................253.2滑压运行.................................................263.2.1滑压运行的分类.....................................263.2.2滑压运行的特点.....................................27四.定压与滑压运行计算...........................................294.1定压运行计算.............................................304.1.1热力系统简捷计算...................................304.1.2机组的等效热降计算.................................334.2滑压运行计算............................................354.2.1热力系统简捷计算...................................354.2.2机组的等效热降计算....................