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45万吨/年氯硅烷溶液冷却用换热器设计
摘要：换热器广泛应用于各种工业工程，在工农业生产中占有着重要地位，因此了解并熟悉换热器的设计非常重要。本次设计的是固定管板式换热器，其管程介质为氯硅烷溶液，壳程介质为冷却水。本次设计由三个部分组成，分为工艺计算、结构设计和强度校核三个步骤。第一个步骤中，通过计算选定为双管程，并通过物性数据计算了换热面积以及换热系数等参数。在结构设计部分中，主要涉及封头、换热管、管箱、管板、法兰和支座的设计及选用。在强度的校核中，要确保各部件的厚度符合设计要求，然后考虑开孔补强的情况，在最后进行管板的应力校核，包括：对管板在六种工况下的强度校核以及拉脱力的校核。同时为了确保换热器能安全运行，在整个设计过程中牢牢遵循国家标准的相关规定。
关键词：固定管板式换热器；冷却器；工艺计算；强度校核
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Designofheatexchangerusedtocoolchlorosilanesolutionof450,000tons/year
Abstract：Heatexchangersarewidelyusedinvariousindustrialprojectsandoccupyanimportantpositioninindustrialandagriculturalproduction,soitisveryimportanttounderstandandbefamiliarwiththedesignofheatexchangers.Thisdesignisafixedtube-plateheatexchanger,thetubesidemediumischlorosilanesolution,andtheshellsidemediumiscoolingwater.Thisdesignconsistsofthreeparts,dividedintothreesteps:processcalculation,structuraldesignandstrengthcheck.Inthefirststep,thedoubletubepathwasselectedbycalculation,andparameterssuchasheattransferareaandheattransfercoefficientwerecalculatedfromthephysicalpropertydata.Inthestructuraldesignpart,itmainlyinvolvesthedesignandselectionofheads,heatexchangetubes,tubeboxes,tubesheets,flangesandsupports.Inthestrengthcheck,makesurethatthethicknessofeachpartmeetsthedesignrequirements,andthenconsiderthesituationofholereinforcement,andfinallyperformthestresscheckofthetubesheet,including:checkingthestrengthofthetubesheetundersixworkingconditionsandPull-outcheck.Atthesametime,inordertoensurethesafeoperationoftheheatexchanger,therelevantprovisionsofthenationalstandardsarestrictlyfollowedthroughoutthedesignprocess.
Keywords：Fixedtubesheetheatexchanger;Cooler；Processcalculation；Strengthcheck
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目录
TOC\o1-3\h\z\u摘要 Ⅰ
Abstract Ⅱ
1绪论 1
1.1研究意义 1
1.2研究现状 1
1.3发展趋势 1
2