【正文】 索風營發(fā)電廠2 發(fā)變組B 級檢修報告 編 制： 審 核： 烏江公司修試中心(電力工程公司)水電工程部二○一一年十一月二日2目錄目錄 ................................................................................................................................................................2第一部分 檢修概況 ....................................................................................................................................12第二部分 機械部分 ....................................................................................................................................13一、檢修情況 ...............................................................................................................................................13（一）檢修準備 ...........................................................................................................................................13（二）檢修內(nèi)容 ...........................................................................................................................................13拆 機 .......................................................................................................................................................13發(fā)電機部分 .............................................................................................................................................13水輪機部分 .............................................................................................................................................15檢 修 .......................................................................................................................................................16發(fā)電機部分 .............................................................................................................................................16 上機架檢修 ............................................................................................................................................16 推力軸承檢修 ........................................................................................................................................16 推力頭鏡板研磨 ................................................................................................................................16 推力瓦及油槽檢修 ............................................................................................................................17 推力軸承外循環(huán)冷卻器檢修 .............................................................................................................17 機組透平油處理 .....................................................................................................................................17 發(fā)電機上、下導風板拆裝 .....................................................................................................................17 2 機下導軸承檢查處理 ........................................................................................................................18 上導軸承檢修 ........................................................................................................................................19 風閘檢修及吸塵擋板連接螺栓改造 ......................................................................................................20 調(diào)速器檢修 ...........................................................................................................................................21 調(diào)速器油系統(tǒng)法蘭漏點處理 .................................................................................................................21 壓力油罐、集油槽、漏油箱清掃 ........................................................................................................213 大軸補氣閥檢查處理 ..........................................................................................................................22 大軸補氣管上更換 DN350 蝶閥 ...........................................................................................................22 技術供水水濾水器檢查、濾網(wǎng)清洗 ....................................................................................................22 空氣冷卻器檢修 ..................................................................................................................................22 2機技術供水系統(tǒng)Ⅰ、Ⅱ級減壓閥檢修 ............................................................................................23水輪機部分 .............................................................................................................................................23 水導軸承檢修 ........................................................................................................................................23 導水機構檢修、調(diào)整 ............................................................................................................................24 尾水管、盤形閥、攔污柵及尾水檢修閘門檢查處理 ............................................................................25裝 復 .......................................................................................................................................................25導水機構 .................................................................................................................................................25空氣圍帶、主軸密封檢修 .......................................................................................................................28頂蓋排水系統(tǒng)檢查處理及頂蓋清掃 ........................................................................................................29尾水管、盤形閥、攔污柵及尾水檢修閘門檢查處理 ..............................................................................29水導軸承裝復 .........................................................................................................................................29鏡板水平的測量 ......................................................................................................................................29轉(zhuǎn)子中心體與發(fā)電機下端軸聯(lián)接螺栓拆裝 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