汽轮机解体报告

1、*发电有限公司#1 机大修汽轮机本体解体报告* 工程有限公司2015 年 08 月 05 日#1机组于2015年7月15日停机，7月22日停盘车。7月24日#1机房所有设备停运，办理工作票。7月27日揭低压外缸。7月28日揭高 中压外缸。7月29日揭低压内缸。7月29日揭高中压内缸。8月2 日高中压转子装车返厂。8月2日抽发电机转子。、解体中发现的问题1、中压进汽导汽管法兰双头螺栓拆出时 1条螺栓螺纹咬死，汇报甲方后割除。螺栓图号CH01A.083.011、螺母图号 CH01A.083.013,申请购买备品。更换新螺栓2、高压外缸结合面拆出时1条螺栓螺纹咬死，汇报甲方后割除，螺栓规格31/2X

2、 1260,图号 CH01.019.005,螺帽规格 31/2X160,图号 CH01.019.146 申请购买 备品。并发现其相对称的个别螺栓热松时膨胀，但松不动，可能原因是螺杆长， 螺帽顶到头，需在清理时测量，必要时增加新垫片。更换新螺栓3、对#1机组进行大修，在吊出盘车时，发现盘车损毁严重，其中盘车桥架变形 扭曲，齿轮磨损短缺。建议返厂。更换新盘车，估计08月15日左右到厂4、吊出轴承进行宏观检查时发现#4、#6轴承上半瓦块有明显的脱胎现象。建议 更换瓦块。电厂联系补焊5、低压内缸螺栓拆出时A低压内缸中分面一条螺栓螺纹咬死，汇报甲方后割除, 螺栓图号CH01A.027.062。A低压内缸

3、持环中分面一条螺栓螺帽开裂，汇报甲 方后割除，螺栓图号 CH01.041 2005-2&更换新螺栓，将持环割开的孔补焊磨平6、低压A转子电H臀瓢偏、晃度超标。此次不做处理o3425表 B1/ 表 B268A低压转子电端B1B2B1-B2A1-52.002.0002.022-61.992.00-0.012.033-71.972.01-0.042.024-81.952.02-0.071.995-11.952.03-0.081.976-21.962.03-0.071.977-31.982.02-0.041.978-41.992.01-0.031.99设计值瓢偏度0 0.02瓢偏 0.03实测

4、值0.040.067、测量发现#1、#2轴承与瓦套配合紧力过小 重新调整#1左侧0.16间隙,右侧0.16间隙（技术要求0-0.05紧力）#2左侧0.41间隙，右侧0.24间隙（技术要求0-0.05紧力）8、高压转子弯曲度、对轮晃度、瓢偏度数值过大。 高压转子返厂，厂家处理表B1表B287位 置高压转子联轴器表测点B1B2B1-B2A151.791.85-0.062.002 61.811.83-0.021.933 71.831.810.021.844 一 81.841.800.041.805-11.831.810.021.836-21.8411.85-0.011.907-31.801.86-0

5、.061.988 一 41.791.86-0.072.02标 准瓢偏度0 0.02晃度A0 0.03最大偏差0.0550.2212345678最大 弯曲 度主油 泵处2.002.022.012.002.002.002.002.000.01#1轴 承处2.002.012.012.002.002.012.012.000.01高排 处2.002.002.012.012.042.042.032.000.02高8 级2.002.012.032.052.072.072.042.000.035高1 级2.001.992.072.062.122.112.052.000.06中压 进汽2.002.032.072

6、.102.102.092.041.990.045中压3级2.002.082.122.162.132.082.001.970.095电端 轴封2.002.042.052.052.052.032.001.990.03#2轴 承2.002.012.012.002.002.012.012.010.005电端 对轮2.001.931.841.811.841.901.982.030.119、在检查时发现左侧高导管弹簧室顶杆不吃力 高导管恢复完成后重新调整10、测量推力轴承推力间隙发现推力间隙过大。进一步检查推力瓦块、推力盘找出原因进行调整实测推力间隙0.65 （技术要求0.25-0.38）11、中压#1持

7、环左右叶顶间隙为0. 上下半合扣，检查是否变形12、开缸后发现高压外缸、持环有漏汽痕迹 请第三方检查，决定是否开槽13、#1轴承接触角过大 更换新轴承14、发电机打开内端盖检查时发现母线水管固定绝缘木螺栓松动。第三方厂家处理15、抽出发电机转子对转子初步检查时发现汽端盘车油挡、#7油挡轴颈处磨损严重。第三方厂家处理16、发电机密封瓦椭圆度较大 研磨中分面，重新配销子ABCDE椭圆度汽端空侧500.18500.20500.26500.25500.210.08汽端氢侧500.15500.25500.29500.25500.150.14励端空侧500.12500.25500.30500.22500.

8、110.19励端氢侧500.11500.17500.26500.28500.150.1717、A、B小机解体后发现气缸中分面有漏气现象，在检查汽缸严密性时，漏气 部位右0.20-0.27mm的间隙。请第三方厂家开密封槽18、B小机挡油环磨损严重，间隙过大 更换新油环19、#2高调阀杆与弹簧室的连接部分丝杆咬死 将螺帽割掉，尽力保护好阀杆，必要时更换新阀杆20、主油泵第三道挡油环变形，中分面错口严重21、A、B小机转子扬度与图纸不符 此次不做处理，原数恢复A小机 #1轴颈前扬0.42mmB小机 #1轴颈前扬0.50mm#2轴颈前扬0.08mm#2轴颈前扬0.16mm#2轴颈后扬0.18mm图纸

9、#1轴颈前扬0.20mm22、A、B小机轴承顶隙超标 不作处理#1轴承#2轴承A小机0.38mm0.42mmB小机0.39mm0.49mm图示标准0.21-0.280.25-0.35二、相关数据记录1、轴系扬度说明：前扬为正，后扬为负#1#2#3#4#5#6#7#8解对轮、一. 刖+0.76+0.29+0.285-0.285解对轮 后+1.14+0.80+0.79+0.33+0.22-0.25-0.085-2.16.602.065mmF开口 : 0,26右开口 ； 0,01发电机转子高：0.05发电机转子偏右：0 01252、轴系中心低、发对轮全实缸中心（修前）单位:注：表座吸发电机对轮指低压

10、转子对轮，数小开口。低、发对轮半实缸中心（修前）注：表座吸发电机对轮指低压转子对轮，数小开口3发电HUE，帼9。仃发电机糙子偏右：0.045THU； 0.215右开口二0.01低、低对轮全实缸中心（修前）注;圆周表吸A低压转子指B低压转子， 左1.00e6G。巧1gz0.87 （0,065 Q0445I0570,87 +0.05+0.13+0.18/低、低对轮半实缸中心（修前）注;圆周表吸B低压转子指A低压转子，2.03单位：mm 平向用内径量表，数大开口。 右卜 Q08 0+0.15）0.740.74卜。7碉+0可A低邸花0.215 +0,20 y A低压转子偏右：0,0654777右升口:

11、 008W-fc J f 下开口 : 0.21平向用内径量表，数大开口。-1<0.03015(oofyo. 22,03 ZOOOX2,18 Lo.045t01 2,45 x+oisz2,62；QoQb。,r00O+0y右,45下开口 ： 0.018右开口 ; 0.0952,中、低对轮全实缸中心（修前） 注;圆周表吸中压转子指A低压转子，62B低压转子偏左：。,135单位：mm平向用内径量表，数大开口。中、低对轮半实缸中心（修前）单位：mm注;圆周表吸中压转子指A低压转子，平面用内径量表，数大开口。总中压转子1田：0.50高中压转子偏右：0.1SS左开口 ： 0.045下开口 ： 0,07

12、51.003、轴承配合间隙轴承编号测量部位顶部间隙A瓦枕球铁紧力备注左侧右侧左侧右侧#1设计值0.71-0.810-0.05修前值1.001.20-0.16-0.16#2设计值0.71-0.810-0.05修前值0.360.28-0.41-0.24#3设计值0.97-1.070-0.075修前值1.161.170.060.14#4设计值0.97-1.070-0.075修前值1.151.200.0750.06#5设计值0.97-1.070-0.075修前值1.281.000.020.03#6设计值0.97-1.070-0.075修前值1.501.400.020.084、转子数据高压转子 单位：m

13、m表A位 置高压转子联轴器表测点B1B2B1-B2A151.791.85-0.062.002 61.811.83-0.021.933 71.831.810.021.844 一 81.841.800.041.805-11.831.810.021.836-21.841.85-0.011.907-31.801.86-0.061.988 一 41.791.86-0.072.02标 准瓢偏度0 0.02晃度A0 0.03最大偏差0.0550.221-52-63-74-85-16-27-38-4修 A10.810.810.820.830.830.840.830.82前 B10.830.820.830.82

14、0.810.840.840.83修 A20.800.800.810.820.820.840.810.80前 B20.840.840.830.820.820.850.840.84A1-B1-0.02-0.01-0.010.010.020-0.01-0.01A2-B2-0.04-0.04-0.0200-0.01-0.03-0.04推力盘瓢偏度测量记录瓢偏度(A1-B1)大-(A1-B1)小/20.02瓢偏度(A2-B2)大-(A2-B2)小/20.02高压转子椭圆度与不柱度测量#1轴颈#2轴颈X-X ”Y-Y ”X-X ”Y-Y”测点A-A'404.17404.17404.17404.17

15、B-B'404.17404.17404.17404.17C-C，404.17404.17404.17404.17最大椭圆00最大锥度00高中压转子弯曲度12345678最大 弯曲 度主油 泵处2.002.022.012.002.002.002.002.000.01#1轴 承处2.002.012.012.002.002.012.012.000.01高排 处2.002.002.012.012.042.042.032.000.02高8 级2.002.012.032.052.072.072.042.000.035高1 级2.001.992.072.062.122.112.052.000.06中

16、压 进汽2.002.032.072.102.102.092.041.990.045中压3 级2.002.082.122.162.132.082.001.970.095电端 轴封2.002.042.052.052.052.032.001.990.03#2轴 承2.002.012.012.002.002.012.012.010.005电端 对轮2.001.931.841.811.841.901.982.030.11位调端电端直表测点B1B2B1-B2AB1B2B1-B2A1 51.992.00-0.012.002.002.0002.02261.992.00-0.012.001.992.00-0.0

17、12.033 72.002.01-0.012.001.972.01-0.042.024一 82.002.02-0.022.001.952.02-0.071.995- 11.992.01-0.022.001.952.03-0.081.976- 21.982.01-0.032.001.962.03-0.071.977 31.992.00-0.012.001.982.02-0.041.978一 41.992.00-0.012.001.992.01-0.021.99标准瓢偏度0 0.02晃度A<0.03瓢偏度0 0.02晃度A<0.03最大偏 差0.0100.040.06#1低压转子晃度、

18、瓢偏单位：mmA低压转子弯曲度测量测量 位置12345678最大弯 曲度调端 对轮2.002.002.002.002.002.002.002.000#3轴 颈2.002.002.002.002.002.002.002.000前轴 封2.012.012.012.012.012.012.012.010反3隔板2.002.012.012.012.002.012.012.000.005正1隔板2.012.012.012.022.022.012.012.010.005正6隔板1.992.002.002.002.002.002.002.000.005后轴 封2.002.002.002.002.002.00

19、2.002.000#4轴 颈2.012.002.002.002.002.002.002.000.005短轴 对轮2.022.012.001.982.012.012.001.980.005电端 对轮2.022.03.2.021.991.971.971.971.990.03#2低压转子联轴器瓢偏单位：mm表A3.42八 一| I/X /I!，*i/* 巧1表 B1) 表 B26位 置调端B低压转子弯曲度测量电端最大割点131 2324B1-B2 5Bp7B28 B/岁曲 1-B2T 度调隔5O01 200n n42.001。0o nn2.002.000 ° mX/62,01 22.0I

20、012那1.99 02.00避32.%02.01 -().0?.01#5> 7顼822 %00 002.012.002.0102.01-0.0L计1.991.992.01 2.012-(”0).02),0#05前琳122 01002 012.012 00-0.019912 001.992 022.012 012-( 00).02 0 005可-2,U 12. 002.0011 . WW0j . u二.u 二2.00.2.01s.-(. ).01反7隔321 00 199992 012镯2 00 02 01 ,2.00)220外20000 005庙4.JJ2. 00.2.00.0.2.00

21、.2.00. 0正1隔；隹2,002.00 瓢偏彼000.021.991.992.01 i瓢湍昨0.02000.005c 17 三_,怂1 2,002.010.0052.002.002.032。2)12.000.01后轴封2.012.022.012.002.012.022.022.010.005#6轴 颈2.002.012.012.002.002.012.012.000.005电端 对轮2.022.022.012.001.991.982.022.000.025、通流间隙中压16级轴向通流间隙序 号A +1.5-0.5B +1.5-0.5E +1.5-0.5F +1.5-0.5设计值测量值设计值

22、测量值设计值测量值设计值测量值130.5029.7911.2010.7333.7034.4317.4018.75左29.7010.2734.4319.29右227.5026.438.206.7750.6051.4334.4036.43左26.516.1951.4336.43右327.5026.218.205.89/55.7057.43左26.496.04/57.43右427.5026.678.205.6733.7035.4317.4019.73左26.536.0235.4319.79右528.5027.148.205.8851.6053.4334.3035.43左27.676.2153.433

23、5.43右637.0034.578.206.4735.1036.43/左34.577.4636.43/右高压19级轴向通流间隙厅PA+1.5-0.5B+1.5-0.5E+1.5-0.5F+1.5-0.5图示实测图示实测图示实测图示实测115.415.5512.411.739.89.276.87.49左15.0711.439.397.67右216.416.9512.411.2710.810.116.86.38左16.5311.3110.326.58右314.915.2512.411.679.38.636.86.47左15.1312.038.756.93右414.915.2512.411.659.

24、38.676.87.47左15.1511.398.877.47右515.415.7512.411.479.89.426.86.99左15.6311.059.706.98右616.015.2312.411.6910.49.616.86.58左16.1911.959.756.52右716.416.6312.412.09/ / /左16.6311.95/右816.416.5912.411.77/6.86.54左16.5111.99/6.48右916.416.5912.412.4711.711.20/ /左16.5712.2711.13/右#1低压缸轴向通流间隙厅PABEF设计 值实测 值设计 值实测

25、 值设计 值实测 值设计 值实测 值反向1 级K=26 .73 ± 0.13:27.2427.2227.5414.2815.0014.7815.52:左:26.7327.2414.3115.54右反向2 级28.22:27.9427.2226.7226.1826.6825.1825.56:左:28.1027.3027.4025.32右反向3 级29.3229.6828.3228.2625.1826.1424.1823.98左P 29.3028.4026.1224.06右反向4 级29.3229.9428.3228.60/20.6720.60左29.8828.74/20.66右反向5

26、级3333.1029.8330.12/21.6820.18左33.1029.82/20.99右反向6 级31.9132.1030.9132.10/18.6817.94左31.2032.10/18.28右反向7 级56.8256.1031.3232.10/左157.1032.10/右正向1 级14.1813.1614.6814.0426.8227.9027.3227.68左14.2014.4226.8627.22右正向2 级15.6814.8814.6814.3836.8236.1035.8235.10左F 15.3814.4437.1035.10右正向3 级18.6818.4617.6816.

27、4437.8237.1036.8237.10左18.1417.1838.1037.10右正向4 级16.6816.6215.6815.04/33.3133.10左17.0615.42/34.10右正向5 级20.3619.8817.1915.84/34.3234.10左r 20.8816.80/35.10右正向6 级19.2720.4218.2718.10/31.3231.10左I 18.4618.26/32.10右正向7 级44.18；43.9018.6818.02/左44.9018.38/右# 2低压缸轴向通流间隙序号ABEF设计值实测值设计值实测值设计值实测值设计值实测值反向1级K=31

28、.931.1832.4330.199.0713.099.5710.67左公差±1.43士0.1331.9330.6512.4710.69右反向2级33.4332.6532.4331.5120.9723.0519.9720.69左33.4131.7323.2120.29右反向3级34.5333.9933.5333.2119.9723.9918.9719.93左34.9933.5724.8519.25右反向4级34.5334.1533.5333.09/15.4616.27左34.4732.77/16.01右反向5级38.2138.1535.0434.51/16.4716.67左39.15

29、34.57/16.53右反向6级37.1238.1536.1236.31/13.4714.57左38.1536.15/14.27右反向7级62.0361.1536.5335.69/左61.1536.15/右正向1级8.979.979.478.6132.0334.1532.5331.09左9.419.2634.5931.55右正向2级10.4710.659.4710.3542.0344.3841.0341.15左、10.2110.6544.1540.15右正向3级13.4713.3712.4712.6143.0345.2742.0341.15左13.7512.4745.1541.15右正向4级1

30、1.4711.9110.4711.21/38.5237.87左11.4111.13/38.15右正向5级15.1515.5311.9812.51/39.5338.55左14.7511.77/38.15右正向6级14.0613.3513.0613.3136.5337.20左14.6514.31/37.15右正向7级38.9738.5113.4712.69/左38.8512.95/右公差士 1 .46、A、B小机数据A小机单位：mm注：从机头看向泵，百分表座吸小机指向泵，数小为开口炉侧2,44小机低；0.29，曲偏机侧：0.19上开口 ： 0.06机侧开口 ： 0.075B小机单位：mm注：从机头

31、看向泵，百分表座吸小机指向泵，数小为开口。<08“胡低：0J7“血偏炉倒:0.25_LH 口 : 0.01捌便开口 ： 0065(A )小机动静间隙时间：单位：mm级 数测量点数值修前修后炉侧机侧炉侧机侧弟 二级A2.952.90B3.143.10C4.304.85D5.195.40G6.866.85H26.6426.60第三 级A2.852.63B3.062.87C4.203.90D5.305.60G6.776.70H30.0230.18第 四 级A3.122.74B9.238.81C4.004.20D5.805.80G7.057.00H26.6026.64第 五 级A3.002.74

32、B11.7811.94G6.676.60H23.6823.78第 六 级A2.932.98G7.117.12H18.9218.92(B )小机动静间隙时间：单位：mm级 数测量点数值修前修后炉侧机侧炉侧机侧A3.93 3.27A小机单位：mm修前修后B3.363.33Cr 4.904.30D5.905.40G7.417.36HP 26.2626.12弟 三 级A2.953.10B3.163.70C4.204.30D 5.805.90G7.097.14H30.4030.36第 四 级A匚 3.363.18B9.689.62C4.504.90Dr 6.406.10G7.307.30H26.6226

33、.46第 五 级AP 2.743.10B11.7012.04G6.786.98HP 22.9523.20第六级A3.173.06G7.397.53H19.1618.98A小机转子弯飞锤2.002.012.011.991.981.961.961.960,025#1瓦2.002.002.002.002.002.002.002.000 ：前轴 封2.002.002.002.002.002.001.992.000.005四级 叶片2.001.991.991.981.981.981.991.990.01后轴 封2.002.032.032.022.022.032.032.020.01#2瓦2.002.02

34、2.022.022.022.022.022.020.01B小机转子弯推力盘瓢偏12345678取大考 曲度飞锤2.002.032.062.082.082.062.022.010.04#1瓦2.002.012.012.012.012.012.012.010前轴封2.002.002.002.002.012.012.002.000.005四级叶 片2.002.002.002.002.002.002.002.010.005后轴封2.002.001.991.991.992.002.002.000.005#2瓦2.00 2.002.002.002.002.002.302.00042A1A2名称测县 里位置

35、1-52-63-74-85-16-27-38-4AA12.001.991.991.981.981.971.961.93小 机B12.001.991.981.961.941.931.931.91A22.002.012.022.022.032.042.042.07B22.002.012.022.042.052.062.062.08A1-B1000.010.020.040.030.030.02A2-B20000.020.020.020.02-0.01瓢偏度(A1-B1)大-(A1-B1)小/20.02瓢偏度(A2-B2)大-(A2-B2)小/20.015名称测 量 位 置1-52-63-74-85-

36、16-27-38-4B小 机A12.002.002.002.002.002.002.002.00B12.002.002.002.002.002.002.002.00A22.002.002.002.012.012.002.002.00B22.002.002.002.002.002.002.002.00A1-B100000000A2-B20000.010.01000瓢偏度(A1-B1)大-(A1-B1)小/2瓢偏度(A2-B2)大-(A2-B2)小/200.0057、发电机本体间隙记录发电机本体间隙记录 单位：mm间隙名称设计值修前数据修后数据上下左右上下左右汽端轴颈与 轴承间隙直径间隙0.971.051.23励端轴颈与 轴承间隙直径间隙0.971.051.26汽端密封文 座单齿油挡 间隙上 1.151.35,最 小0.6下0.100.15 最小 0 左/右单侧0.640.721.1 00.270.450.5 0励端