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分类号TQ522.1单位代码11395密级学号0906210201本科毕业论文题目捣固焦炉炼焦工艺设计作者武金龙院(系)化学与化工学院专业化学工程与工艺指导教师苏婷答辩日期2013年05月26日榆林学院本科毕业论文诚信责任书本人郑重声明：所呈交的毕业论文，是本人在导师的指导下独立进行研究所取得的成果。毕业论文中凡引用他人已经发表或未发表的成果、数据、观点等，均已明确注明出处。据我所知，除文中已经注明引用的内容外，本论文不包含任何其他个人或集体已经公开发表或撰写过的研究成果。对本文的研究做出重要贡献的个人和集体，均已在文中以明确方式标明。本人毕业论文与资料若有不实，愿意承担一切相关的法律责任。论文作者签名:年月日榆林学院本科毕业设计（论文）Ⅰ摘要捣固炼焦工艺能减少优质炼焦煤配入量，增加高挥发、弱黏结性煤的配比，有效降低生产成本，提高焦炭产量和质量，从而获得更好的经济效益。本设计参照河北钢铁集团九江线材有限公司成熟的炼焦工艺，进行年产110万吨冶金焦的捣固炼焦车间工艺设计。所采用配煤比为：气煤40%、1/3焦煤25%、肥煤10%、焦煤10%和瘦煤15%。重点对焦炉进行物料衡算和热量衡算，得出干煤年耗量144.55万吨，主要产品年产量：焦炭110.16万吨、焦油5.48万吨、粗苯1.65万吨、氨0.33万吨、净煤气23.29万吨；并得出吨入炉煤耗煤气量140.34m3，热工效率76.12%。在炉型选择方面，本设计采用HXDK55—08F型捣固焦炉，炭化室高5.5m。计算得其有效容积40.27m3，孔数55×2，其技术特点为双联火道、焦炉煤气下喷、废气循环、复热式。同时，对焦炉的机械设备和附属设备进行简要介绍和选择，并对各主要工艺参数进行设定。最后，对所设计结果进行汇总，绘制出捣固炼焦工艺流程图。关键词：炼焦，捣固焦炉，工艺设计捣固焦炉炼焦工艺设计ⅡThetechnologydesignoftampingcokingworkshopABSTRACTTampingcokingtechnologycanreducetheconsumptionofhigh-gradecokingcoal,increasetheconsumptionofhighvolatile,weaklycakingcoal,lowerthecostandimprovethequalityofcoke,toobtainbettereconomicbenefits.Thetopicofthistechnology-designisyearly1.10milliontonscokeswithtampingcokingtechnology.AndthedesignreferstothematurecokingtechnologyoftheHebeiIronandSteelGroupJiujiangWireCo.,Ltd.Thecoalblendingratiois:gascoal40%,1/3cokingcoal25%,fatcoal10%,cokingcoal10%andleancoal15%.Thematerialbalancecomputationandenergybalancecomputationofcokeovenisthemaincontent.Asaresult,theannualconsumptionofdrycoalwas1.4455milliontons,theannualoutputofmainproducts:1.1016milliontonsofcokes,54.8kilotonsofcoaltar,16.5kilotonsofcrudebenzene,3.3kilotonsofammoniaand232.9kilotonsofcleangas.Tonsofcoalintothecokeovenwillbeconsumecokeovengas140.34m3,andthethermalefficiencyis76.12%.Intheaspectoftheselectionofcokeovenmodel,thedesignusedtheHXDK55-08Ftampingcokeoven.Thecarbonizationchamberis5.5minheight.Accordingtotheannualoutput,thenumberofthecarbonizationchamberwasdeterminedas55×2,anditsavailablecapacitywas40.27m3.Thetechniqueofthetwinflue,thecokegasspurts，andthewastegascirculationareappliedinthecokeoven.Inaddition,thedesignmadeabriefintroductionandselectionofthemechanicsandaccessoryequipment,andsetsomemaintechnologyparameters.Finally,thedesignwasmadeasummaryoftheresultsanddrewatampingcokingprocessflowdiagram.Keywords:coking，tampingcokeoven，technologydesign榆林学院本科毕业设计（论文）Ⅲ目录摘要........................................................................IABSTRACT.....................................................................Ⅱ1绪论.......................................................................11.1我国焦化行业概况......................................................11.2捣固炼焦原理..........................................................21.3捣固炼焦的国内外发展现状..............................................21.4发展捣固炼焦的目的和意义..............................................32炼焦工艺设计计算............................................................52.1设计方案的确定........................................................52.2配煤方案的选择........................................................52.2.1原料煤性质......................................................52.2.2配煤方案选取....................................................62.2.2焦炭质量预测....................................................72.3炭化室物料衡算........................................................72.3.1物料平衡入方....................................................72.3.2物料平衡的出方..................................................82.3.3物料平衡表.....................................................112.4焦炉热量衡算.........................................................122.4.1热量收入项的计算...............................................122.4.2热量支出项的计算...............................................152.4.3热量平衡表.....................................................182.5焦炉的热工效率.......................................................193炼焦设备的选型与计算.......................................................203.1焦炉炉型的选择.......................................................203.2炭化室尺寸的选择与计算...............................................223.3燃烧室尺寸的确定.....................................................243.4蓄热室尺寸的确定.....................................................243.5焦炉的机械设备及附属设备.............................................253.5.1焦炉机械.......................................................253.5.2煤气设备.......................................................273.5.3熄焦设备.......................................................29捣固焦炉炼焦工艺设计Ⅳ4设计结果汇总..............................................................304.1设计结果总览表.......................................................304.2工艺流程图...........................................................325结论......................................................................33参考文献.....................................................................34致谢.......................................................................35榆林学院本科毕业设计（论文）11绪论煤在隔绝空气条件下，加热到950~1050℃，经过干燥、热解、熔融、黏结、固化、收缩等阶段最终制得焦炭，这一过程叫做高温炼焦，简称炼焦[1]。炼焦制得到的主要产品为焦炭，可供高炉冶炼、铸造、气化、生产电石等工业部门作为燃料或原料。此外，还有焦炉煤气和煤焦油两大副产品。焦炉煤气经净化可得氨、硫以及多种芳香烃和杂环化合物，供合成纤维、染料、医药等工业做原料；净化后的焦炉煤气热值高，既是重要的工业燃料，也