降低熟料能耗的措施

I降低熟料能耗的措施摘要影响预分解窑熟料热耗的因素很多，如系统的保温性、燃烧器的先进性、生料的易烧性等。通过对熟料煅烧过程能耗的各个因素的综合考虑,，水泥厂家通过采用低阻高效的多级预热器系统、新型篦式冷却机和多通道喷煤管等先进技术装备，利用窑系统的低温废气余热发电，设法最大可能回收到利用，熟料冷却时产生的废气可用作助燃空气或是窑尾废气余热发电，提高煅烧设备的热效率，最大限度降低窑尾排放废气温度可以降低熟料热损失，从而降低熟料热耗。回收使用二次能源等先进工艺，降低了水泥生产的熟料热耗。我厂通过降低预热器出口温度，提高二、三次风温度，减少漏风，减少过剩空气量，降低熟料热耗。采用立磨粉磨系统，能耗低，系统投资少。利废提产优化配料方案，废弃物再利用既提高了熟料产量又降低了熟料能耗。淘汰落后的生产方式，采用先进的新型干法生产工艺与设备是水泥熟料生产节能降耗的根本措施。易磨性好的生料，则热耗低，而易烧性差的生料，颗粒粗时则热耗增大，以要生料的颗粒细度。关键词：熟料生产；节能降耗；余热发电IIEnergysavingincementclinkerburningprocedureABSTRACTAbstract：Thepaperanalyzestheapplicablemethodsofenergysavingthroughcomparisonsofthermalproceduretestbetweendiffer-entclinkerproductionlineswithvariousprocessandscale：first，thenewdryprocessshouldbeadoptedandtheconfigurationofmaing&auxiliaryequipmentandtheenlargementofequipmentisthekey；secondly．productionneedsanoptimizedthermalcontrolsystem；thirdly，enhancethesystemsealandutilizethewasteheat．clinkerproduction；energysaving；；enlargement；thermalconditions；Seal；Heatisolation；wasteheattakingintoaccount:theintroductionofnewproductiontechnologiesinthissector,theuseofwasteandlow-gradefuels,cogeneration,theuseofcementitiousmaterials,andothermeasures,basedonatechnicalandeconomicenergydemandsimulationmodel.Inallscenarios,wefoundthatispossibletosignificantlyreduceenergyKEYWORDS:clinkerproduction;energysaving；utilizethewasteheatIII目录Abstract.......................................................................................II前言................................................................................................1第1章熟料煅烧.................................................................................31.1原、燃料.....................................................................................31.1.1煤粉...................................................................................31.1.2工业废弃物做熟料煅烧原燃料..................................31.1.3预分解窑利用劣质煤对煅烧的影响..........................31.2熟料煅烧过程的控制...........................................................41.3三率值对熟料煅烧的影响...................................................4第2章选用粉磨最佳粉磨设备.........................................................62.1球磨.......................................................................................62.2立磨......................................................................................61、烘干能力和粉磨能力.....................................................72、喂料粒度及能耗.............................................................72.3辊压机..................................................................................72.4性价比较...............................................................................8第3章熟料能耗的影响因素...........................................................103.1熟料热耗影响因素.............................................................101、生产方法与窑型...........................................................102、余热的利用.................................................................103生料组成、细度及生料易磨性......................................104、燃料不完全燃烧热损失................................................115、窑体散热损失...............................................................116、矿化剂及微量元素的作用............................................113.2电耗....................................................................................11第4章烧成系统利废提产...............................................................144.1..............................................................................................14调整配料方案.....................................................................15IV4.2优化熟料烧成系统提高余热发电量..................................154.2.1余热发电试生产期间存在的问题............................154.2.2改进措施...................................................................16第5章浅谈降低预分解窑熟料热耗的途径....................................185.1降低预热器出口温度.........................................................185.1.1改进预热器入料方式...............................................185.1.2改进C2～C3、C3～C4连接管道入料口...............195.1.3合理控制系统总风量............................................205.2提高回转窑运转率.............................................................205.2.1篦冷机.............................................................................202、破碎机轴承频繁烧毁...................................................203、频繁堆“雪人”...........................................................214、转动轴窜位...................................................................215.2.2提高二、三次风温度...............................................21结论..............................................................................................23谢辞................................................................................................24参考文献..........................................................................................25附录.................................................................错误!未定义书签。外文资料翻译..................................................................................281前言影响预分解窑熟料热耗的因素很多，如系统的保温性、燃烧器的先进性、生料的易烧性以及生产管理技术水平等，水泥厂家通过采用低阻高效的多级预热器系统、新型篦式冷却机和多通道喷煤管等先进技术装备，利用窑系统的低温废气余热发电，回收使用二次能源等先进工艺，降低了水泥生产的熟料热耗。我厂通过降低预热器出口