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化工与材料工程学院毕业设计年产0.8万吨发泡聚苯乙烯聚合工段工艺设计Annualproductioncapacityof8,000tonsofexpandedpolystyrenepolymerizationprocessdesignsection学生学号学生姓名专业班级指导教师联合指导教师完成日期吉林化工学院JilinInstituteofChemicalTechnology独创声明本人郑重声明：所呈交的毕业设计(论文)，是本人在指导老师的指导下，独立进行研究工作所取得的成果，成果不存在知识产权争议。尽我所知，除文中已经注明引用的内容外，本设计（论文）不含任何其他个人或集体已经发表或撰写过的作品成果。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。本声明的法律后果由本人承担。作者签名:二〇一〇年九月二十日毕业设计（论文）使用授权声明本人完全了解滨州学院关于收集、保存、使用毕业设计（论文）的规定。本人愿意按照学校要求提交学位论文的印刷本和电子版，同意学校保存学位论文的印刷本和电子版，或采用影印、数字化或其它复制手段保存设计（论文）；同意学校在不以营利为目的的前提下，建立目录检索与阅览服务系统，公布设计（论文）的部分或全部内容，允许他人依法合理使用。（保密论文在解密后遵守此规定）作者签名:二〇一〇年九月二十日摘要可发性聚苯乙烯（ExpandablePolyStyrene，简称EPS）通称聚苯乙烯和苯乙烯系共聚物，是一种树脂与物理性发泡剂和其它添加剂的混合物。可发性PS可被加工成低密度（0．7—10．0ib／ft3）的泡沫塑料剂品。最常见的可发性聚苯乙烯是含有作为发泡剂的戊烷的透明PS粒料。本设计为年产0.8万吨可发性聚苯乙烯聚合工段工艺设计，反应机理是自由基聚合，采用悬浮聚合工艺，以苯乙烯为单体，水做悬浮介质，采用低温悬浮聚合一步法生产工艺。此方法是将苯乙烯单体、引发剂、分散剂、水、发泡剂和其他助剂一起加入反应釜内,聚合后得含发泡剂的树脂颗粒,经洗涤、离心分离和干燥,制得可发性聚苯乙烯珠粒产品；在此基础上对聚合工段进行物料衡算、热量衡算、设备选型计算，绘制了带控制点的流程图、平面布置图及配管图，并编制了设计说明书和计算书。关键词：可发性聚苯乙烯；悬浮聚合；物料衡算；工艺设计AbstractExpandablePolystyrene(ExpandablePolyStyrene,referredtoasEPS)commonlyknownastheDepartmentofpolystyreneandstyrenecopolymerisaresinwiththephysicalblowingagentandotheradditivesmixture.EPScanbeprocessedintolow-density(0.7-10.0ib/ft3)goodsofthefoamagent.Themostcommonistobemadeofpolystyrenewithn-pentaneasablowingagentaggregatesoftransparentPS.Thedesignfortheannualproductioncapacityof8,000tonscanbemadeofpolystyrenepolymerizationprocessdesignsection,thereactionmechanismisfreeradicalpolymerization,suspensionpolymerizationprocessusedtostyreneasmonomer,watersuspensionmediumdoneusingone-stepproductionoflow-temperaturesuspensionpolymerizationprocess.Thismethodisastyrenemonomer,initiator,dispersingagent,water,blowingagentandotherauxiliariestojoinreactor,thepolymercontainingafoamingagent,aftertheresinparticlesbywashing,centrifugalseparationanddrying,thesystemmaybemadeofpolystyrenebeadsproducts;inthissectionbasedonthepolymermaterialbalance,heatbalance,equipmentselection,themappingofcontrolpointswiththeflowchart,diagramandlayoutofpipingplansandthepreparationofthedesignspecificationandcalculationofthebook.KeyWords：ExpandablePolyStyrene；SuspensionTechnique;Craftcalculation；Technologicaldesign目录摘要............................................................................................................................................IAbstract............................................................................................................................................III第1篇设计说明书........................................................................................................................1第1章绪论...................................................................................................................................11.1设计依据、指导思想.........................................................................................................11.1.1设计依据....................................................................................................................11.1.2指导思想....................................................................................................................11.2厂址的选择.........................................................................................................................11.3设计地区的自然条件.........................................................................................................21.4车间布置、岗位人员配制................................................................................................21.4.1车间布置....................................................................................................................21.4.2岗位人员配制...........................................................................................................21.5节能与环境保护.................................................................................................................21.5.1节能............................................................................................................................21.5.2环境保护....................................................................................................................31.6安全防火.............................................................................................................................31.6.1消防设施....................................................................................................................31.6.2灭火程序....................................................................................................................3第2章工艺论证...........................................................................................................................52.1工艺原理.............................................................................................................................52.1.1实施方案....................................................................................................................52.1.2工艺路线....................................................................................................................52.1.3工艺流程..............