应力分析及疲劳分析报告

预处理塔应力分析及疲乏分析报告编制:校对:审核:全国压力容器标准化技术委员会一九九八年九月一、载荷分析用户数据XX设计院所供给的设计图，计算根底数据如下:封头材料腐蚀裕量

-0.07~0.65MPa0.85MPa40~150C170C16MnR16MnR16Mn〔锻〕C2=2mm计算条件(1)(1)强度计算条件:计算温度计算压力170C0.85MPa材料在计算温度下的常数:筒体及封头筒体开口锻件16MnR16MnS =176MPamt筒体及封头筒体开口锻件16MnR16MnS =176MPamtE=1.98x10MPat5S =150MPamtE=1.98x10MPat5Sm=188MPaSm=188MPaE=2.06X10MPa5(2) 疲乏计算条件:设计寿命设计寿命操作次数总循环数15年2500次/年1X2500=37500次载荷与时间的关系示意如下:二、构造分析依据预处理塔的构造特点， 应进展上圭寸头、下圭寸头及筒体开孔三局部的应力分析，分别建立力学模型如下：1. 上封头局部：(1) 力学模型ANSYSANSYS5.4SBP111933□9:OS:48HLEMENTSPowerCraphi.caHFACET=1PRES-8.977一-7.661-5.229-4,0136*44£.S5zv二丄DIST=696.3XF=1179?P=563Z-BUFFERUIND=2ZV=1*I>IST^2SS-7021：预处理塔上封头力学模型边界条件预处理塔上封头边界条件的位置和方向如图

1所示。位移边界条件：相连且在Y=0处：厶丫 =0力边界条件：壳体内压P=0.85MPa。中心接收处的边界等效压力P=8.877MPa。单元选择ANSYS5.4有限元分析软件供给的轴对称8节点等参元(82)进展1)。下封头局部：力学模型依据下封头的构造特点和载荷特性，承受了轴对称的力学模型2:预处理塔下封头力学模型边界条件预处理塔下封头边界条件的位置和方向如图

2所示。位移边界条件：裙座根部：厶丫=0力边界条件：壳体内压P=0.85MPa。中心接收处的边界等效压力P=8.93MPa,托架处(壳内物料重)的边界等效压力P=1.54MPa,筒体直边端处的边界等效压力P=2.72MPa,单元选择承受ANSYS5.4有限元分析软件供给的轴对称 8节点等参元2)。3. 筒体开孔局部：力学模型依据筒体的构造特性和载荷特性，力学模型关于XOZ平面近似对称(无开孔局部为应力均匀区)，关于YOZ平面对称，只需计算构造的四分之一。边界条件3所示。位移边界条件：轴对称约束；Z=0时，/Z=0力边界条件：壳体内压P=0.85MPa；筒体端的边界等效应力为：52.91MPa,筒体端的边界等效应力为：3.94单元选择ANSYS5.48节点实体元〔45〕进行网格划分〔3〕。AN5Y35.4?EP3199CAN5Y35.4?EP3199C23;C612TELEMENTSPowti&taphie5ETACET*!PRES-S£+3U-46+133-3fl.473-02.752.8STHMD科PRES-52+513-46.193

3:预处理塔三、应力分析结果(1) 预处理塔上封头局部:ANSYS5.4SEPANSYS5.4SEP8199815：08：57MODALSOLUTIONSTEP=1SUE=1TIME=1SIUT(AVG)PowerGraphicsEFACET=1AVRES=MatSMN=8.903SMX=169.7028,903n□口□□26.7744.63662.50380.36999.236116.102133.969151.8351.69.7028.90326.77169.702AMSYSAMSYS5.4SEP8199820:19:40HODALSOLUTIONSTEP=1SUE=1TIME=1SINT CAVG^PoverC-raphicsEFACET=1AVRES=MatDMX-3.191SMN=.423S66SMX=186.897.4236S621,14341.8€2€2.S8193.301104.021Z4,739145.458177186.897.42366621,143186.8975:预处理塔下封头变形图及应力分布图AJJSY3AJJSY35.4SEP8199823;08:23ETCWAL30-LUTI0USTE>=1SUB=1TIME=1SIMT (AUGJPower&xAphicsEFACET=1DMX-4a4583KX-239-53SE.S31合.合.47784.401110.32413E.2吐7162.17ieS-093£14.01E299.9396.59132.55458.4772.14.DIE四、强度评定是一种保守的算法。预处理塔上封头局部：分析点(A、B7

12A点：S二90.23<t=176MPaSI=99.59<mt=176MPaSm=153.7<1.5t=264MPaB点：SI=90.23<mt=176MPaSI=135.5<mt=176MPaANSYS5.4SEP81396£0111110NOtALSOLUTIONSTEP»1ANSYS5.4SEP81396£0111110NOtALSOLUTIONSTEP»1SOB=1TIME=1SUIT (AVG)PaverGta^h.1esBFACET=1AVRHS=N*tDHX=-.31S5i7SHU=：g.S03STO<=!«>7C£6.50325.77吕吕吕44飞恥E2L§03肌恥116.10Z.133969151.83S1S5.?O£8-90326.771S3.702.27:预处理塔上封头分析点路径:预处理塔下封头局部分析点(C、D834C点：S=98.9<mt=176MPaS=105.1<mt=176MPam 局部薄膜加局部弯曲应力强度：S=157.1m D点：S=98.9<mt=176MPan 局部薄膜应力强度：S=67.21n ANSYS5.4SEP8199820:Z4:45NODALANSYS5.4SEP8199820:Z4:45NODALSOLUTIONSTEP=1SUBTIMI=1SINT(AVG-)Pow*rGraphicsEF直CET=1AVRBS-HitDMX=3,191SHX=186m .423666.42366621.1434JL.86Zez.seiS3.301104.02124.739145.458186.8972JL.143186.897预处理塔筒体开孔局部:分析点(E、F)路径见图956。E点：S=120.8<mt=176MPaSI=130.2<mt=176MPaSIII二223.5<1.5mt=264MPaF点：S=120.8<mt=176MPaSI=150.8<mt=176MPaSEP819S3£3!1«!09SEP819S3£3!1«!09SOLKHIOJTSTEP=1SUB=1TIKE-13INT(AVQ)PowerGEaplkicsEFACETMJ.KE第书翻Df£C9曲3HJT=6-631■■■■日吕吕■116-AX-1WB1B$313瓷108.093：SIII二212.1<1.5mt=264MPa9：筒体开孔局局部析点路径五、疲乏强度评论对应力最大位置进展疲乏分析，分析结果见附录7、附录89分析结果说明：预处理塔上封头局部积存使用系数预处理塔下封头局部积存使用系数

=0.00261<1.0=0.00683<1.0预处理塔筒体开孔局部积存使用系数=0.11123<1.0疲乏校核合格。六、结论全部A、B类焊缝需100%无损检测，合格标准按JB4732-95的规定。测。封头接收、筒体接收处过渡园弧半径至少为全部对接焊缝需打磨至与母材平齐。

5mm。JB4732-95标准进展。在到达上述要求后，预处理塔在设计条件下的强度是满足JB4732-95标准标准要求的。PRINTLINEARIZEDSTRESSTHROUGHASECTIONDEFINEDBYLPATHCOMMAND. DSYS=0*****POST1LINEARIZEDSTRESSLISTING*******MEMBRANE**SX SY SZ SXY SYZSXZ93.18 6.213 102.4 -17.42 0.00000.0000S1S2S3SINTSEQV102.496.542.85299.5996.78**BENDING**I=INSIDEC=CENTERO=OUTSIDESXSYSZSXYSYZSXZO-59.37S1I64.04-8.074S216.36-16.36S3SINT3.40316.170.0000SEQV55.310.000060.64C0.0000O-59.37S1I64.04-8.074S216.36-16.36S3SINT3.40316.170.0000SEQV55.310.000060.64C0.00000.00000.00000.00000.0000O-3.403-16.36-64.0460.6455.31**MEMBRANEPLUSBENDING**I=INSIDEC=CENTERO=OUTSIDE**TOTAL**I=INSIDEC=CENTERO=OUTSIDESXI167.8C89.43O38.15S1I177.3SY17.085.0110.2233S2124.2SZ124.2101.088.02S3SINT7.590SXY-38.99-14.80-6.506SYZSXZ0.00000.00000.0000SEQVTEMP0.00000.00000.0000169.7150.40.0000SXSYSZSXYSYZSXZI152.614.29118.8-33.590.00000.0000C93.186.213102.4-17.420.00000.0000O33.81-1.86186.09-1.2550.00000.0000S1I160.3S2118.8S3SINT6.557153.7SEQV137.7C102.496.542.85299.5996.78O86.0933.85-1.90587.9976.65C101.091.942.49298.4794.28O88.0239.24-0.861688.8877.100.0000PRINTLINEARIZEDSTRESSTHROUGHASECTIONDEFINEDBYLPATHCOMMAND.DSYS=0*****POST1LINEARIZEDSTRESSLISTING*******MEMBRANE**SX SY SZ SXY SYZSXZ8.443 48.55 -78.34 -20.42 0.00000.0000S1S2S3SINTSEQV57.12-0.1259-78.34135.5117.8**BENDING**I=INSIDEC=CENTERO=OUTSIDESXSYSZSXYSYZSXZI5.12730.6510.28-12.900.00000.0000C0.00000.00000.00000.00000.00000.0000O-5.127-30.65-10.2812.900.00000.0000S1S2S3SINTSEQVI36.0410.28-0.258836.3032.34C0.00000.00000.00000.00000.0000O0.2588-10.28-36.0436.3032.34S1I 93.16S2-0.3846S3SINTSEQV-68.06161.2140.2**MEMBRANES1I 93.16S2-0.3846S3SINTSEQV-68.06161.2140.2SXSYSZSXYSYZSXZI 13.5779.20-68.06-33.330.00000.0000C8.44348.55-78.34-20.420.00000.0000O3.31617.90-88.62-7.5210.00000.0000C57.12-0.1259-78.34135.5117.8O21.080.1326-88.62109.7100.9C57.07-0.3256E-01-78.33135.4117.7**C57.07-0.3256E-01-78.33135.4117.7SXI 13.63SY79.09SZ-68.07SXY-33.63SYZSXZ0.00000.0000C8.42248.62-78.33-20.280.00000.0000O3.343S117.75S2-88.64S3-7.790SINT0.0000SEQVTEMP0.0000I 93.28-0.5682-68.07161.4140.40.0000O21.16-0.6328E-01-88.64109.8 100.9 0.0000附录3：分析点C的应力强度值PRINTLINEARIZEDSTRESSTHROUGHASECTIONDEFINEDBYLPATHCOMMAND.DSYS=0*****POST1LINEARIZEDSTRESSLISTING*****SXSX93.50S1109.3SY6.536S295.81SZ SXY109.3 -14.36S3 SINT4.225 105.1**MEMBRANE**SYZSXZ0.00000.0000SEQV99.04**BENDING**I=INSIDEC=CENTERO=OUTSIDESXSYSZSXYSYZSXZI65.069.64316.96-18.860.00000.0000C0.00000.00000.00000.00000.00000.0000O-65.06-9.643-16.9618.860.00000.0000S1S2S3SINTSEQVI70.8716.963.83267.0461.53O-3.832-16.96-70.8767.0461.53**MEMBRANEPLUSO-3.832-16.96-70.8767.0461.53**MEMBRANEPLUSBENDING**I=INSIDEC=CENTERO=OUTSIDE**TOTAL**I=INSIDEC=CENTERO=OUTSIDESXI 180.1C89.19O34.35S1SY15.765.418-0.8398S2132.6SZ132.6107.794.8S34.458SXY SYZSXZ-44.55 0.0000-9.379 0.00002-4.5180.00000.00000.00000.0000I 191.4SINT186.9SEQVTEMP165.50.0000SXSYSZSXYSYZSXZI 158.616.18126.3-33.230.00000.0000C93.506.536109.3-14.360.00000.0000O28.44-3.10692.374.4980.00000.0000S1S2S3SINTSEQVI 165.9126.38.807157.1141.5C109.395.814.225105.199.04O92.3729.07-3.73596.1184.62C107.790.234.381103.395.80O94.8234.92-1.41196.2384.170.0000PRINTLINEARIZEDSTRESSTHROUGHASECTIONDEFINEDBYLPATHCOMMAND. DSYS=0**MEMBRANE**SX SY SZ23.12 -1.643 -42.58SXY SYZSXZ-6.305 0.0000**MEMBRANE**SX SY SZ23.12 -1.643 -42.58SXY SYZSXZ-6.305 0.00000.0000S1S2S3SINTSEQV24.63-3.156-42.5867.2158.50**BENDING**I=INSIDEC=CENTERO=OUTSIDESXSYSZSXYSYZSXZI1.511-93.87-27.011.9440.00000.0000C0.00000.00000.00000.00000.00000.0000O-1.51193.8727.01-1.9440.00000.0000S1S2S3SINTSEQVI1.550-27.01-93.9195.4684.87O93.9127.01-1.55095.4684.87**MEMBRANEPLUSO93.9127.01-1.55095.4684.87**MEMBRANEPLUSBENDING**I=INSIDEC=CENTERO=OUTSIDE**TOTAL**I=INSIDEC=CENTERO=OUTSIDESXI-1.141C67.46O-1.058S1I-1.141SY-173.3100.6-4.521S2-100.6SZ-100.61.323-51.30S3-173.3SXY SYZSXZ-0.2686 0.0000-17.91 0.00000.43450.00000.00000.00000.0000SINT172.2SEQVTEMP149.70.0000SXSYSZSXYSYZSXZI 24.63-95.52-69.59-4.3600.00000.0000C23.12-1.643-42.58-6.3050.00000.0000O21.6192.23-15.57-8.2490.00000.0000S1I 24.78S2-69.59S3-95.68SINT120.5SEQV109.8C24.63-3.156-42.5867.2158.50O93.1820.65-15.57108.895.92C108.459.631.323107.192.87O-1.004-4.575-51.3050.3048.610.0000PRINTLINEARIZEDSTRESSTHROUGHASECTIONDEFINEDBYLPATHCOMMAND. DSYS=0**MEMBRANE**SX133.8SY3.751SZ9.457SXY**MEMBRANE**SX133.8SY3.751SZ9.457SXYSYZSXZ0.2262E-010.54301.408S1S2S3SINTSEQV133.99.4933.700130.2127.4O-93.13-0.8443E-010.37461.2241.954-0.2028E-01S1S2S3SINTSEQVSXI93.13**BENDING** =INSIDEC=CENTERSXI93.13**BENDING** =INSIDEC=CENTERO=OUTSIDESYSZ0.8443E-01C0.0000-0.0000SXY SYZ SXZ0.3746 -1.224- 1.954 0.2028E-010.0000 0.0000 0.0000 0.0000C0.00000.00000.00000.00000.0000O2.119 -1.813 -93.14 95.26 93.36**MEMBRANEPLUSBENDING**I=INSIDEC=CENTERO=OUTSIDESX SY SZ SXY SYZSXZI 227.0 3.836 9.083 -1.202 -1.4111.428C133.8 3.751 9.457 0.2262E-010.54301.408O40.72 3.667 9.832 1.247 2.4971.388S1 S2 S3SINTSEQVI 227.09.4253.477223.5220.6C133.99.4933.700130.2127.4O40.8310.622.76938.0634.80SXI 238.9C129.1O48.32S1I 238.9

**TOTAL**I=INSIDEC=CENTERO=OUTSIDESY SZ SXY SYZSXZ1.027 -0.7490 -0.3044 0.51610.22377.632 12.91 -0.6043 -0.6858E-011.784-10.66 0.2638 2.813 -2.065-0.1623S2 S3SINTSEQVTEMP1.165 -0.8885 239.8 238.80.0000C129.112.887.629121.5118.9O48.460.6319-11.1759.6354.690.0000**MEMBRANE**SXSYSZSXYSYZSXZ153.15.00919.840.2354E-01-6.877-0.3150E-01S1S2S3SINTSEQV153.122.542.310150.8141.8**BENDING**I=INSIDEC=CENTERO=OUTSIDESXSYSZSXYSYZSXZI55.52-4.858-23.030.1820E-017.840-0.1708E-01C0.00000.00000.00000.00000.00000.0000O-55.524.85823.03-0.1820E-01-7.8400.1708E-01S1S2S3SINTSEQVI55.52-1.944-25.9581.4772.51O25.951.944-55.5281.4772.51**MEMBRANEO25.951.944-55.5281.4772.51**MEMBRANEPLUSBENDING**I=INSIDEC=CENTERO=OUTSIDE**TOTAL**I=INSIDEC=CENTERO=OUTSIDESXSYSZSXYSYZSXZI 208.70.1503-3.1970.4173E-010.9630-0.4858E-01C153.15.00919.840.2354E-01-6.877-0.3150E-01O97.629.86742.870.5339E-02-14.72-0.1442E-01S1S2S3SINTSEQVI 208.70.4076-3.454212.1210.2C153.122.542.310150.8141.8O97.6248.484.25793.3680.89SXSYSZSXYSYZSXZI 209.8-0.4435-0.34280.3835E-01-0.3374-0.1362C151.85.39418.110.1406E-01-6.418-0.3422E-01O102.49.92651.81-0.2569-22.240.2417S1S2S3SINTSEQVTEMPI 209.8 -0.5213E-01-0.7343210.6210.2 0.0000C151.820.792.718149.1140.9O102.461.410.3203102.188.950.0000LOCATION1ISNODE258STRESSCONC.FACTORS(X,Y,Z)=LABEL=MaxPoint

1.000 1.000 1.000STOREFATIGUESTRESSESFORNODE258EVENT1LOAD1STOREFATIGUESTRESSESFORNODE258EVENT1LOAD2EVENT1HAS37500CYCLES,SCALEFACTOR=1.0000LABEL=MaxPointPERFORMFATIGUECALCULATIONATLOCATION1NODE258***POST1FATIGUECALCULATION***LOCATION1NODE258MaxPointEVENT/LOADS11MaxPoint AND12MaxPointPRODUCEALTE