汽輪機(jī)解體報告

1、*發(fā)電有限公司#1機(jī)大修* 發(fā)電有限公司#1機(jī)大修汽輪機(jī)本體解體報告*工程有限公司2015年08月05日#1機(jī)組于2015年7月15日停機(jī)，7月22日停盤車。7月24日#1機(jī)房所有設(shè)備停運(yùn),辦理工作票。7月27日揭低壓外缸。7月28日揭高中壓外缸。7月29日揭低壓內(nèi)缸。7月29日揭高中壓內(nèi)缸。8月2日高中壓轉(zhuǎn)子裝車返廠。8月2日抽發(fā)電機(jī)轉(zhuǎn)子。1、 解體中發(fā)現(xiàn)的問題1、中壓進(jìn)汽導(dǎo)汽管法蘭雙頭螺栓拆出時1條螺栓螺紋咬死，匯報甲方后割除。螺栓圖號CH01A.083.011、螺母圖號CH01A.083.013，申請購買備品。更換新螺栓2、高壓外缸結(jié)合面拆出時1條螺栓螺紋咬死，匯報甲方后割除，螺栓規(guī)格3

2、1/2×1260，圖號CH01.019.005，螺帽規(guī)格31/2×160，圖號CH01.019.146申請購買備品。并發(fā)現(xiàn)其相對稱的個別螺栓熱松時膨脹，但松不動，可能原因是螺桿長，螺帽頂?shù)筋^，需在清理時測量，必要時增加新墊片。更換新螺栓3、對#1機(jī)組進(jìn)行大修，在吊出盤車時，發(fā)現(xiàn)盤車損毀嚴(yán)重，其中盤車橋架變形扭曲，齒輪磨損短缺。建議返廠。更換新盤車，估計08月15日左右到廠40 *工程有限公司4、吊出軸承進(jìn)行宏觀檢查時發(fā)現(xiàn)#4、#6軸承上半瓦塊有明顯的脫胎現(xiàn)象。建議更換瓦塊。電廠聯(lián)系補(bǔ)焊12345678表A表B1表B25、 低壓內(nèi)缸螺栓拆出時A低壓內(nèi)缸中分面一條螺栓螺紋咬死，

3、匯報甲方后割除，螺栓圖號CH01A.027.062 。A低壓內(nèi)缸持環(huán)中分面一條螺栓螺帽開裂，匯報甲方后割除，螺栓圖號 CH01.041.2.005-28。更換新螺栓，將持環(huán)割開的孔補(bǔ)焊磨平6、 低壓A轉(zhuǎn)子電端對輪瓢偏、晃度超標(biāo)。此次不做處理A低壓轉(zhuǎn)子電端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設(shè)計值瓢偏度0

4、.02瓢偏0.03實測值0.040.067、 測量發(fā)現(xiàn)#1、#2軸承與瓦套配合緊力過小。 重新調(diào)整 #1左側(cè)0.16間隙，右側(cè)0.16間隙（技術(shù)要求0-0.05緊力） #2左側(cè)0.41間隙，右側(cè)0.24間隙（技術(shù)要求0-0.05緊力）8、 高壓轉(zhuǎn)子彎曲度、對輪晃度、瓢偏度數(shù)值過大。12345678表A表B1表B2高壓轉(zhuǎn)子返廠，廠家處理位 置高壓轉(zhuǎn)子聯(lián)軸器表測點B1B2B1-B2A151.791.85-0.062.00261.811.83-0.021.93371.831.810.021.84481.841.800.041.80511.831.810.021.83621.841.85-0.011.

5、90731.801.86-0.061.98841.791.86-0.072.02標(biāo) 準(zhǔn)瓢偏度0.02晃度A0.03最大偏差0.0550.2212345678最大彎曲度主油泵處2.002.022.012.002.002.002.002.000.01#1軸承處2.002.012.012.002.002.012.012.000.01高排處2.002.002.012.012.042.042.032.000.02高8級2.002.012.032.052.072.072.042.000.035高1級2.001.992.072.062.122.112.052.000.06中壓進(jìn)汽2.002.032.072.

6、102.102.092.041.990.045中壓3級2.002.082.122.162.132.082.001.970.095電端軸封2.002.042.052.052.052.032.001.990.03#2軸承2.002.012.012.002.002.012.012.010.005電端對輪2.001.931.841.811.841.901.982.030.119、在檢查時發(fā)現(xiàn)左側(cè)高導(dǎo)管彈簧室頂桿不吃力。高導(dǎo)管恢復(fù)完成后重新調(diào)整10、 測量推力軸承推力間隙發(fā)現(xiàn)推力間隙過大。 進(jìn)一步檢查推力瓦塊、推力盤找出原因進(jìn)行調(diào)整 實測推力間隙0.65（技術(shù)要求0.25-0.38）11、 中壓#1持環(huán)

7、左右葉頂間隙為0. 上下半合扣，檢查是否變形12、開缸后發(fā)現(xiàn)高壓外缸、持環(huán)有漏汽痕跡。請第三方檢查，決定是否開槽 13、 #1軸承接觸角過大更換新軸承 14、 發(fā)電機(jī)打開內(nèi)端蓋檢查時發(fā)現(xiàn)母線水管固定絕緣木螺栓松動。第三方廠家處理15、 抽出發(fā)電機(jī)轉(zhuǎn)子對轉(zhuǎn)子初步檢查時發(fā)現(xiàn)汽端盤車油擋、#7油擋軸頸處磨損嚴(yán)重。第三方廠家處理16、 發(fā)電機(jī)密封瓦橢圓度較大研磨中分面，重新配銷子ABCDE橢圓度汽端空側(cè)500.18500.20500.26500.25500.210.08汽端氫側(cè)500.15500.25500.29500.25500.150.14勵端空側(cè)500.12500.25500.30500.225

8、00.110.19勵端氫側(cè)500.11500.17500.26500.28500.150.1717、 A、B小機(jī)解體后發(fā)現(xiàn)氣缸中分面有漏氣現(xiàn)象，在檢查汽缸嚴(yán)密性時，漏氣部位右0.20-0.27mm的間隙。請第三方廠家開密封槽 18、 B小機(jī)擋油環(huán)磨損嚴(yán)重，間隙過大更換新油環(huán)19、 #2高調(diào)閥桿與彈簧室的連接部分絲桿咬死將螺帽割掉，盡力保護(hù)好閥桿，必要時更換新閥桿20、 主油泵第三道擋油環(huán)變形，中分面錯口嚴(yán)重更換新油環(huán)21、 A、B小機(jī)轉(zhuǎn)子揚(yáng)度與圖紙不符此次不做處理，原數(shù)恢復(fù) A小機(jī) #1軸頸前揚(yáng)0.42mm #2軸頸前揚(yáng)0.08mm B小機(jī) #1軸頸前揚(yáng)0.50mm #2軸頸前揚(yáng)0.16mm

9、圖紙 #1軸頸前揚(yáng)0.20mm #2軸頸后揚(yáng)0.18mm22、 A、B小機(jī)軸承頂隙超標(biāo)不作處理#1軸承#2軸承A小機(jī)0.38mm0.42mmB小機(jī)0.39mm0.49mm圖示標(biāo)準(zhǔn)0.21-0.280.25-0.352、 相關(guān)數(shù)據(jù)記錄1、 軸系揚(yáng)度說明： 前揚(yáng)為正，后揚(yáng)為負(fù) #1#2#3#4#5#6#7#8解對輪前+0.76+0.29+0.285-0.285解對輪后+1.14+0.80+0.79+0.33+0.22-0.25-0.085-2.12、 軸系中心低、發(fā)對輪全實缸中心（修前） 單位：mm注：表座吸發(fā)電機(jī)對輪指低壓轉(zhuǎn)子對輪，數(shù)小開口。低、發(fā)對輪半實缸中心（修前） 注：表座吸發(fā)電機(jī)對輪指低

10、壓轉(zhuǎn)子對輪，數(shù)小開口。3低、低對輪全實缸中心（修前） 單位：mm注;圓周表吸A低壓轉(zhuǎn)子指B低壓轉(zhuǎn)子，平面用內(nèi)徑量表，數(shù)大開口。左 右低、低對輪半實缸中心（修前） 注;圓周表吸B低壓轉(zhuǎn)子指A低壓轉(zhuǎn)子，平面用內(nèi)徑量表，數(shù)大開口。中、低對輪全實缸中心（修前） 單位：mm注;圓周表吸中壓轉(zhuǎn)子指A低壓轉(zhuǎn)子，平面用內(nèi)徑量表，數(shù)大開口。中、低對輪半實缸中心（修前） 單位：mm 注;圓周表吸中壓轉(zhuǎn)子指A低壓轉(zhuǎn)子，平面用內(nèi)徑量表，數(shù)大開口。3、軸承配合間隙軸承編號測量部位頂部間隙A瓦枕球鐵緊力備注左側(cè)右側(cè)左側(cè)右側(cè)#1設(shè)計值0.71-0.810-0.05修前值1.001.20-0.16-0.16#2設(shè)計值0.71

11、-0.810-0.05修前值0.360.28-0.41-0.24#3設(shè)計值0.97-1.070-0.075修前值1.161.170.060.14#4設(shè)計值0.97-1.070-0.075修前值1.151.200.0750.06#5設(shè)計值0.97-1.070-0.075修前值1.281.000.020.03#6設(shè)計值0.97-1.070-0.075修前值1.501.400.020.084、 轉(zhuǎn)子數(shù)據(jù)12345678表A表B1表B2高壓轉(zhuǎn)子 單位：mm位 置高壓轉(zhuǎn)子聯(lián)軸器表測點B1B2B1-B2A151.791.85-0.062.00261.811.83-0.021.93371.831.810.0

12、21.84481.841.800.041.80511.831.810.021.83621.841.85-0.011.90731.801.86-0.061.98841.791.86-0.072.02標(biāo) 準(zhǔn)瓢偏度0.02晃度A0.03最大偏差0.0550.22A1A2B1B212345678BA推力盤瓢偏度測量記錄 名 稱測 量 位 置1-52-63-74-85-16-27-38-4修前A10.810.810.820.830.830.840.830.82B10.830.820.830.820.810.840.840.83修前A20.800.800.810.820.820.840.810.80B20

13、.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瓢偏度（A1-B1）大-（A1-B1)小/20.02瓢偏度(A2-B2)大-(A2-B2)小/20.02高壓轉(zhuǎn)子橢圓度與不柱度測量#1軸頸#2軸頸X-X”Y-Y”X-X”Y-Y”測點A-A404.17404.17404.17404.17B-B404.17404.17404.17404.17C-C404.17404.17404.17404.17最大橢圓00最大錐度00高中壓轉(zhuǎn)子彎曲度1

14、2345678最大彎曲度主油泵處2.002.022.012.002.002.002.002.000.01#1軸承處2.002.012.012.002.002.012.012.000.01高排處2.002.002.012.012.042.042.032.000.02高8級2.002.012.032.052.072.072.042.000.035高1級2.001.992.072.062.122.112.052.000.06中壓進(jìn)汽2.002.032.072.102.102.092.041.990.045中壓3級2.002.082.122.162.132.082.001.970.095電端軸封2.0

15、02.042.052.052.052.032.001.990.03#2軸承2.002.012.012.002.002.012.012.010.005電端對輪2.001.931.841.811.841.901.982.030.11#1低壓轉(zhuǎn)子晃度、瓢偏 單位：mm12345678表A表B1表B2位 置調(diào)端電端表測點B1B2B1-B2AB1B2B1-B2A151.992.00-0.012.002.002.0002.02261.992.00-0.012.001.992.00-0.012.03372.002.01-0.012.001.972.01-0.042.02482.002.02-0.022.00

16、1.952.02-0.071.99511.992.01-0.022.001.952.03-0.081.97621.982.01-0.032.001.962.03-0.071.97731.992.00-0.012.001.982.02-0.041.97841.992.00-0.012.001.992.01-0.021.99標(biāo) 準(zhǔn)瓢偏度0.02晃度A0.03瓢偏度0.02晃度A0.03最大偏差0.0100.040.06A低壓轉(zhuǎn)子彎曲度測量測量位置12345678最大彎曲度調(diào)端對輪2.002.002.002.002.002.002.002.000#3軸頸2.002.002.002.002.002.0

17、02.002.000前軸封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后軸封2.002.002.002.002.002.002.002.000#4軸頸2.012.002.002.002.002.002.002.000.005短軸對輪2.022.012.001.982.012.012.001.980.005電端對輪2.022.03.

18、2.021.991.971.971.971.990.0312345678表A表B1表B2#2低壓轉(zhuǎn)子聯(lián)軸器瓢偏 單位：mm位 置調(diào)端電端表測點B1B2B1-B2B1B2B1-B2152.002.0002.002.000262.012.0101.992.00-0.01372.002.0001.992.01-0.02482.002.01-0.011.992.01-0.02512.002.01-0.011.992.01-0.02622.002.0002.002.01-0.01731.991.9902.002.000842.002.0002.002.000標(biāo) 準(zhǔn)瓢偏度0.02瓢偏度0.02最大偏差0.

19、0050.01B低壓轉(zhuǎn)子彎曲度測量測量位置12345678最大彎曲度調(diào)端對輪2.012.012.001.992.002.032.022.010.01#5軸頸2.012.012.012.012.002.022.022.010.005前軸封2.012.012.001.992.002.022.012.000.005反3隔板2.002.012.002.002.012.022.022.000.005正1隔板2.002.002.001.991.992.012.012.000.005正6隔板2.002.012.002.002.002.032.022.000.01后軸封2.012.022.012.002.01

20、2.022.022.010.005#6軸頸2.002.012.012.002.002.012.012.000.005電端對輪2.022.022.012.001.991.982.022.000.025、 通流間隙中壓16級軸向通流間隙序號A +1.5- 0.5B +1.5- 0.5E +1.5- 0.5F +1.5- 0.5設(shè)計值測量值設(shè)計值測量值設(shè)計值測量值設(shè)計值測量值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

21、.4336.43右327.5026.218.205.8955.7057.43左26.496.0457.43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27.676.2153.4335.43右637.0034.578.206.4735.1036.43左34.577.4636.43右高壓19級軸向通流間隙序號A+1.5-0.5B+1.5-0.5E+1.5-0.5F+1.5-0.5圖示實測圖示實測圖示實測圖示實測115.415.5512.411

22、.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414.915.2512.411.659.38.676.87.47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16.1911.959.7

23、56.52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/右低壓缸軸向通流間隙序號ABEF設(shè)計值實測值設(shè)計值實測值設(shè)計值實測值設(shè)計值實測值反向1級K=26.73±0.1327.2427.2227.5414.28 15.0014.7815.52左26.7327.2414.3115.54右反向2級28.2227.9427.2226.7226.1826.6825.1825.56左28.10

24、27.3027.4025.32右反向3級29.3229.6828.3228.2625.1826.1424.1823.98左29.3028.4026.1224.06右反向4級29.3229.9428.3228.6020.6720.60左29.8828.7420.66右反向5級3333.1029.8330.1221.6820.18左33.1029.8220.99右反向6級31.9132.10 30.9132.1018.6817.94左31.2032.1018.28右反向7級56.8256.1031.3232.10左57.1032.10右正向1級14.1813.1614.6814.0426.8227

25、.9027.3227.68左14.2014.4226.8627.22右正向2級15.6814.8814.6814.3836.8236.1035.8235.10左15.3814.4437.1035.10右正向3級18.6818.4617.6816.4437.8237.1036.8237.10左18.1417.1838.1037.10右正向4級16.6816.6215.6815.0433.3133.10左17.0615.4234.10右正向5級20.3619.8817.1915.8434.3234.10左20.8816.8035.10右正向6級19.2720.4218.2718.1031.3231

26、.10左18.4618.2632.10右正向7級44.1843.9018.6818.02左44.9018.38右公差±.低壓缸軸向通流間隙序號ABEF設(shè)計值實測值設(shè)計值實測值設(shè)計值實測值設(shè)計值實測值反向1級K=31.93±0.1331.1832.4330.199.0713.099.5710.67左31.9330.6512.4710.69右反向2級33.4332.6532.4331.5120.9723.0519.9720.69左33.4131.7323.2120.29右反向3級34.5333.9933.5333.2119.9723.9918.9719.93左34.9933.5

27、724.8519.25右反向4級34.5334.1533.5333.0915.4616.27左34.4732.7716.01右反向5級38.2138.1535.0434.5116.4716.67左39.1534.5716.53右反向6級37.1238.1536.1236.3113.4714.57左38.1536.1514.27右反向7級62.0361.1536.5335.69左61.1536.15右正向1級8.979.979.478.6132.0334.1532.5331.09左9.419.2634.5931.55右正向2級10.4710.659.4710.3542.0344.3841.034

28、1.15左、10.2110.6544.1540.15右正向3級13.4713.3712.4712.6143.0345.2742.0341.15左13.7512.4745.1541.15右正向4級11.4711.9110.4711.2138.5237.87左11.4111.1338.15右正向5級15.1515.5311.9812.5139.5338.55左14.7511.7738.15右正向6級14.0613.3513.0613.3136.5337.20左14.6514.3137.15右正向7級38.9738.5113.4712.69左38.8512.95右公差±.6、 A、B小機(jī)數(shù)

29、據(jù)A小機(jī) 單位：mm 注：從機(jī)頭看向泵，百分表座吸小機(jī)指向泵，數(shù)小為開口。 B小機(jī) 單位：mm 注：從機(jī)頭看向泵，百分表座吸小機(jī)指向泵，數(shù)小為開口。 ( A )小機(jī)動靜間隙時間： 單位：mm級數(shù)測量點數(shù)值修前修后爐側(cè)機(jī)側(cè)爐側(cè)機(jī)側(cè)第二級A2.952.90B3.143.10C4.304.85D5.195.40G6.866.85H26.6426.60第三級A2.852.63B3.062.87C4.203.90D5.305.60G6.776.70H30.0230.18第四級A3.122.74B9.238.81C4.004.20D5.805.80G7.057.00H26.6026.64第五級A3.002

30、.74B11.7811.94G6.676.60H23.6823.78第六級A2.932.98G7.117.12H18.9218.92( B )小機(jī)動靜間隙時間： 單位：mm級數(shù)測量點數(shù)值修前修后爐側(cè)機(jī)側(cè)爐側(cè)機(jī)側(cè)第二級A3.933.27B3.363.33C4.904.30D5.905.40G7.417.36H26.2626.12第三級A2.953.10B3.163.70C4.204.30D5.805.90G7.097.14H30.4030.36第四級A3.363.18B9.689.62C4.504.90D6.406.10G7.307.30H26.6226.46第五級A2.743.10B11.70

31、12.04G6.786.98H22.9523.20第六級A3.173.06G7.397.53H19.1618.98A小機(jī) 單位：mm修前修后揚(yáng)度推力瓦前擋油環(huán)間隙0.50推力間隙0.46軸承頂隙#1 0.38 #2 0.42B小機(jī) 單位：mm修前修后揚(yáng)度推力瓦前擋油環(huán)間隙0.15推力間隙0.37軸承頂隙#1 0.39 #2 0.49A小機(jī)轉(zhuǎn)子彎12345678最大彎曲度飛錘2.002.012.011.991.981.961.961.960,025#1瓦2.002.002.002.002.002.002.002.000前軸封2.002.002.002.002.002.001.992.000.00

32、5四級葉片2.001.991.991.981.981.981.991.990.01后軸封2.002.032.032.022.022.032.032.020.01#2瓦2.002.022.022.022.022.022.022.020.0112345678最大彎曲度飛錘2.002.032.062.082.082.062.022.010.04#1瓦2.002.012.012.012.012.012.012.010前軸封2.002.002.002.002.012.012.002.000.005四級葉片2.002.002.002.002.002.002.002.010.005后軸封2.002.001.

33、991.991.992.002.002.000.005#2瓦2.002.002.002.002.002.002.002.000B小機(jī)轉(zhuǎn)子彎A1A2B1B212345678BA推力盤瓢偏名 稱測 量 位 置1-52-63-74-85-16-27-38-4A小機(jī)A12.001.991.991.981.981.971.961.93B12.001.991.981.961.941.931.931.91A22.002.012.022.022.032.042.042.07B22.002.012.022.042.052.062.062.08A1-B1000.010.020.040.030.030.02A2-B

34、20000.020.020.020.02-0.01瓢偏度（A1-B1）大-（A1-B1)小/20.02瓢偏度(A2-B2)大-(A2-B2)小/20.015名 稱測 量 位 置1-52-63-74-85-16-27-38-4B小機(jī)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/20瓢偏度(A2-B2)大-(A2-B2)小/20.0057、發(fā)電機(jī)本體間隙記錄發(fā)電機(jī)本體間隙記錄單位：mm間隙名稱設(shè)計值修前數(shù)據(jù)修后數(shù)據(jù)上下左右上下左右汽端軸頸與軸承間隙直徑間隙0.971.051.23勵端軸頸與軸承間隙直徑間隙0.971.051.26汽端密封支座單齒油擋間隙上1.151.35，最小0.6下0.100.15最小0左/右單側(cè)0.640.721.100.270.45