谢莹莹校优秀设计年产25万吨环氧丙烷初步工艺设计

湖南科技大学潇湘学院毕业设计（论文）题目年产2.5万吨环氧丙烷初步工艺设计作者谢莹莹学院化学化工学院专业应用化学学号0756020113指导教师邓克勤二〇一一年六月十日湖南科技大学潇湘学院毕业设计（论文）任务书化学化工院应用化学系（教研室）系（教研室）主任:（签名）年月日学生姓名:谢莹莹学号:0756020113专业:应用化学1设计（论文）题目及专题：年产2.5万吨环氧丙烷初步工艺设计2学生设计（论文）时间：自2011年3月8日开始至2011年6月10日止3设计（论文）所用资源和参考资料：(1)化工设计；(2)化工原理；(3)化工设备选型；(4)化工手册；(5)化工工艺制图；(6)轻化工设备及设计等4设计（论文）应完成的主要内容：(1)产品基本概况；(2)工艺流程的选择及论证(3)主要工艺计算(4)主要设备计算(5)环境保护和三废处理(6)安全生产(7)厂址选择及车间布置(8)装置的经济技术评价(9)设计结论(10)3张CAD图纸5提交设计（论文）形式（设计说明与图纸或论文等）及要求：(1)设计说明书规范、整洁，文字力求简练；(2)设计3张图纸，图纸规范、整洁；(3)严格按照湖南科技大学论文格式撰写论文；6发题时间：2011年3月8日指导教师：（签名）学生：（签名）湖南科技大学潇湘学院毕业设计（论文）指导人评语[主要对学生毕业设计（论文）的工作态度，研究内容与方法，工作量，文献应用，创新性，实用性，科学性，文本（图纸）规范程度，存在的不足等进行综合评价]指导人：（签名）年月日指导人评定成绩：湖南科技大学潇湘学院毕业设计（论文）评阅人评语[主要对学生毕业设计（论文）的文本格式、图纸规范程度，工作量，研究内容与方法，实用性与科学性，结论和存在的不足等进行综合评价]评阅人：（签名）年月日评阅人评定成绩：湖南科技大学潇湘学院毕业设计（论文）答辩记录日期：学生：学号：班级：题目：提交毕业设计（论文）答辩委员会下列材料：1设计（论文）说明书共页2设计（论文）图纸共页3指导人、评阅人评语共页毕业设计（论文）答辩委员会评语：[主要对学生毕业设计（论文）的研究思路，设计（论文）质量，文本图纸规范程度和对设计（论文）的介绍，回答问题情况等进行综合评价]答辩委员会主任：（签名）委员：（签名）（签名）（签名）（签名）答辩成绩：总评成绩：摘要本设计是年产2.5万吨环氧丙烷的工艺设计。设计采用了氯醇法进行环氧丙烷的生产。主要是利用氯气和水反应生成次氯酸，然后利用次氯酸与丙烯反应生成氯丙醇，氯丙醇再进入皂化塔与氢氧化钙反应生成产品环氧丙烷。设计说明书共有八章。介绍了环氧丙烷生产工艺流程的选择和论证，对整个工艺装置进行了物料和能量衡算，对非标准设备和主要管道进行了计算和选型，最后对该工艺流程的安全生产和三废处理作了相关说明。关键词环氧丙烷；工艺设计；工艺流程；氯醇法ABSTRACTChlorohydrinationmethodwasadoptedfortheprocessdesignoftheproductionofpropyleneoxide.Propyleneandchlorinereactedinthepresenceofwatertoformtheintermediate.andpropylenechlorohydrinwasdehydrochlorinatedbyacalciumhydroxidesolutiontoformpropyleneoxide.Thisdesigncontainseightparagraphs.Thisdocumentismainlytointroducethedemonstrationandchoosingoftheprocessdesignfortheproductionofpropyleneoxide.Thecalculationofmaterialandenergybalanceofpropyleneoxidewerecarriedoutbasedonthetechnologicalequipments.Thenon-standardequipmentequipmentsandmainpipelineswerecalculatedandchoosed.Finally,theworksafetyandthreeindustrialwastesdisposalwasalsointroduced.Keywords:propyleneoxide；technologicalplanning；processflow；chlorohydrinationmethod湖南科技大学潇湘学院本科生毕业设计（论文）-i-目录第一章绪论·······················································································11.1环氧丙烷的实际意义··········································································11.2原料的性质······················································································11.2.1丙烯························································································11.2.2氯气························································································11.2.3石灰························································································11.3环氧丙烷性质及性能··········································································21.3.1产品名称与结构式······································································21.3.2理化性质··················································································21.3.3环氧丙烷安全与毒性···································································21.4国内外环氧丙烷工业发展史·································································31.4.1国外的环氧丙烷工业发展阶段·······················································31.4.2中国环氧丙烷工业发展史·····························································31.5环氧丙烷市场发展简介·······································································41.6技术发展趋势····················································································6第二章环氧丙烷工艺的选择·································································72.1典型工艺介绍····················································································72.1.1氯醇法·····················································································72.1.2共氧化法··················································································72.1.3异丙苯氧化法···········································································82.1.4过氧化氢直接氧化法（HPPO法）···················································82.1.5氧气直接氧化法·········································································92.1.6电化学法··················································································92.2工艺方法的选择·················································································92.2.1氯醇法生产环氧丙烷机理·····························································92.2.2反应速率的影响因素··································································10第三章工艺流程说明·············································································123.1生产过程·························································································123.1.1氯醇法工序··············································································12湖南科技大学潇湘学院本科生毕业设计（论文）-ii-3.1.2皂化工序·················································································133.1.3精制工序·················································································143.1.4电石渣预处理工序·····································································153.1.5废水预处理工序········································································15第四章物料衡算部分···········································································174.1计算依据··········································