5000td新型干法水泥厂煤粉制备车间工艺设计

唐山学院毕业设计设计题目：5000t/d新型干法水泥厂煤粉制备车间工艺设计系别：_________________________班级：_________________________姓名：_________________________指导教师：_________________________2013年6月6日刘臻10材料工程技术（1）班环境与化学工程系5000t/d新型干法水泥厂煤粉制备车间工艺设计摘要毕业设计题目是5000t/d新型干法水泥厂煤粉制备车间的设计。主要包括总体设计和车间设计两部分。进行了配料方案的确定、物料平衡的计算、全厂工艺流程的确定、全厂主机设备的选型、堆场储库的设计、全厂总平面布置、煤粉制备车间的设计等。生料磨为立磨，熟料煅烧采用φ4.8×72m的窑外分解窑烧成系统，设计的重点车间是煤粉制备车间。煤粉制备采用的是立磨粉磨系统，碎煤在煤磨内由窑尾的热气进行烘干，通过磨辊与磨盘的挤压进行粉磨，磨内气体夹带着煤粉入磨内的高效选粉机进行分选。粗粒落回磨盘，气体夹带着成品煤粉入袋收尘器，收集后存于煤粉仓。关键字：水泥新型干法生产工艺煤粉制备5000t/dProcessDesignofpulverizedCoalPreparationPlantinNewDryProcessCementPlantAbstractThegraduationdesigntopicisthedesignof5000t/dnewdryprocesscementplantpulverizedcoalpreparationplan.Mainlyincludesoveralldesignandworkshopdesign.Thedesignoftheburden,materialbalancecalculation,thedeterminingofthewholeprocessofhostplant,equipmentselection,storagedesign,factorylayout,thedesignofcoalpreparationplant.Forverticalmillgrindingclinkerrawmaterials,usingofφ4.8×72mkilnsystem,focusonthedesignoftheworkshopispulverizedcoalpreparationplant.Pulverizedcoalpreparationisusinggrindingsystemofverticalmill,coalinthecoalmilldrybythekilnheat,grindingthroughtheextrusionrollerandgrinding,thegasinthegrindingcoalwithhighefficiencyseparatorforseparatingmill.Coarsegrainfallbacktothedisk,withrefinedcoalgasintothebagdustcollector,collectedandstoredinthepulverizedcoalbunker.Keywords:CementNewdryprocessproductionpulverizedcoalpreparation目录1引言·································································································12全厂设计···························································································32.1配料方案的确定···········································································32.1.1熟料率值的确定···································································32.1.2熟料热耗的确定···································································42.1.3熟料标号的确定···································································42.1.4矿渣与石膏掺入量的确定·······················································52.2配料计算····················································································52.2.1计算煤灰的掺入量································································62.2.2计算干燥原料的配合比··························································62.2.3计算湿物料的配合比·····························································82.3物料平衡····················································································82.3.1工厂生产能力······································································82.3.2原料消耗定额······································································92.4确定全厂工艺流程·······································································112.4.1全厂工艺流程的选择····························································112.4.2主机设备选型计算·······························································172.4.3全厂堆场和储库的计算·························································222.4.4全厂工艺流程方框图····························································302.5全厂的质量控制点及控制指标························································322.6全厂总平面布置图的设计要点························································333车间设计··························································································343.1煤粉制备系统车间流程的确定·······················································343.1.1车间流程的确定·································································343.1.2煤磨设备的技术参数····························································353.1.3喂料及计量设备··································································363.1.4粗煤仓和细煤仓的设计·························································373.1.5输送设备···········································································373.1.6通风和收尘········································································383.1.7煤粉制备系统的安全要求······················································393.2提高煤粉制备系统产质量的措施·····················································403.3煤粉制备车间工艺布置图的设计思路与要点·····································414结论·································································································42谢辞···································································································43参考文献·····························································································44唐山学院毕业设计11引言新型干法水泥生产技术已经经历了五大阶段。第一阶段：20世纪50年代初期至70年代初期。伴随悬浮预热技术突破并成功应用于工业生产，新型干法水泥生产诞生，并随着悬浮预热窑的大型化而发展。第二阶段：20世纪70年代初期至中、后期。伴随预分解窑诞生与发展，新型干法水泥技术向水泥生产全过程发展。同时，随着预分解技术日趋成熟，各种类型的旋风预热器与各种不同的预分解方法相结合，发展成为许多类型的预分解窑。在本阶段中，悬浮预热窑的发展优势逐渐被预分解窑所代替。至今各种新型旋风预热器在预分解窑发展的同时，仍在继续发展完善，发挥着重要作用。第三阶段：20世纪70年代中后期至80年代中期。1973年国际石油危机之后，油源短缺，许多预分解窑被迫以煤代油，通过总结改进，各种第二代、第三代分解炉应运而生，改善和提高预分解系统的功效。第四个阶段：20世纪80年代中期至90年代中期。随着悬浮预热和预分解技术的发展，预分解窑旋风筒—换热管道—分解炉—回转窑—篦冷机以及挤压粉磨，和同它们配套的耐热、耐磨、耐火、隔热材料，自动控制，环保技术等全面发展和提高，使新型干法水泥生产的各项技术经济指标得到进一步优化。第五个阶段：20世纪90年代中期至今。生产工艺得到进一步优化，环境负荷进一步降低，并且成功研发降解各种替代原、燃料及废弃物技术，以新型干法生产为切入点和支柱，水泥工业向生态环境材料型产业转型［1］。随着技术的发展，设备的不断的优化和改进，新型干法水泥生产技术的可靠性得到了根本上的改善。其中最具有代表性的是原料均化技术、粉碎粉磨工艺、预分解窑锻烧工艺、自动控制技术和环保技术。目前应用的原料预均化技术有，矿化模型系统应用于矿山的开采。原燃料的烘干