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1、·6·化 工 设 备 与 管 道第52卷第3期[4]GB151—89,钢制管壳式换热器[S].effectiveelesticconstants[J].ASMEJournalofPressureVessel[5]KAGardner,TubesheetDesign:ABasisforStandardization,Technology,1992,114(3):271-279.Proceedingsof1stICPVT,Part1,I-49,1969,Delft,The[9]黄克智,薛明德,李世玉,固定式换热器管板应力的一种建Netherl
2、ands.议计算方法[J].机械工程学报,1980,16(2):1-23.[6]JB4732—95,钢制压力容器-分析设计标准(2005年确认)[S].HwangKC,XueMDandLiSY.Aproposedmethodofstress[7]薛明德,魏志忠,谢桂华.浮头式、填函式换热器管板设计analysisonfixedtubesheetsofheatexchangers[R]4thInternational方法的改进[J],压力容器,1993,10(5):51-57.ConferenceonPressureVesselTechn
3、ology,1980,Vol.3,50-62.[8]HwangKC,XueMD,WenXFandChenG.Stressesof[10]薛明德,徐锋,李世玉,管壳式换热管轴向应力计算方法thickperforatedplateswithreinforcementoftubesandtheir的改进[J].压力容器,2007,24(1):21-27.TheoryandApplicationofDesignMethodUsedinGB151forFloatingHeadHeatExchanger123131XUEMingde,LIShiyu
4、,ZHUGuodong,WUJian,XUFeng,HWANGKehchih(1.TsinghuaUniversityBeijing,100084,China;2.SinopecEngineeringInc.Beijing,100101,China;3.ChinaSpecialEquipmentInspection&ResearchInstituteBeijing,100013,China)Abstract:Inthispaper,thetheoryforthemethodusedinnationalstandardGB151forde
5、signingfloatingheadheatexchangerwasexpounded.Then,onthistheoreticalbasis,themethodsofapplyingtheformulaandcurvesinGB151forobtainingtheminimumdesignthicknessoftubesheetinfloatingheadheatexchanger,andcalculatingthestressesintubesheetwithactualthicknessoftubesheetandthestre
6、ssinheattransfertubewereprovided.Onepracticalexamplewasusedinthepapertodemonstratedthatwhentheactualthicknessoftubesheetislargelydifferentfromtheminimumdesignthicknessoftubesheet,thestressintubewillhaveagreatreduction.Keywords:floatingheadHeatexchanger;tubesheet;designco
7、de;stressanalysis·封面介绍·海密梯克磁力泵 卓越的性能,满足您所有复杂工况的需求海密梯克磁力泵的产品特点•欧洲优秀水力模型,效率高。•哈氏合金(HastelloyC4)隔离套,采用特殊工艺成型,精度高、品质好、导磁率高、抗腐蚀性强,充分保证了磁力泵可靠稳定运转。•滑动轴承材质采用真正的晶体碳化硅(SSIC,SIC30),强度高、耐磨性好、抗腐蚀性强,使用寿命是石墨轴承的10倍以上;滚动轴承采用进口SKF轴承。磁性材料选用钐钴稀土合金(Sm2Co17),性能佳,最高不可逆退磁温度可达450℃。•在达到额定转
8、速后,轴向力通过液压均衡方式自动平衡。•结构简单紧凑,采用积木原理,安装维修方便。•运行成本低,维护、维修费用低。大连海密梯克泵业有限公司大连海密梯克泵业有限公司由大耐泵业有限公司和德国海密梯克公司于199
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