ICS27.140 CCSK55 中华人民共和国能源行业标准 NB/T11558-2024 代替SD288-88 水轮发电机组推力轴承、导轴承 安装调试运行维护导则 Guideforinstallation,adjustment,operationandmaintenanceofthrustbearingand guidebearingforhydraulicturbine-generatorunit 2024–05–24发布 2024–11–24实施NB 国家能源局发布NB/T11558—2024 I目次 前  言.............................................................................III 引  言..............................................................................IV 1范围.................................................................................1 2规范性引用文件.......................................................................1 3术语和定义...........................................................................1 4设备的验收及保管.....................................................................2 4.1轴承的零部件验收.................................................................................................................................2 4.2轴承零部件的保管.................................................................................................................................2 4.3其他.........................................................................................................................................................3 5推力轴承的安装.......................................................................3 5.1一般要求.................................................................................................................................................3 5.2零部件的清理、试验和预装.................................................................................................................3 5.3推力轴承主要部件的安装.....................................................................................................................4 5.4推力轴承的调整.....................................................................................................................................9 5.5推力轴承高压油顶起装置的安装.......................................................................................................17 6导轴承的安装........................................................................18 6.1一般要求...............................................................................................................................................18 6.2导轴瓦安装前的检查处理...................................................................................................................18 6.3导轴承的安装调整...............................................................................................................................19 7轴承循环冷却系统的安装..............................................................21 7.1外循环用冷却器的安装.......................................................................................................................21 7.2外加循环泵的安装...............................................................................................................................22 7.3内循环冷却器的安装...........................................................................................................................22 7.4管道及附件安装...................................................................................................................................22 7.5油槽内有关部件的安装.......................................................................................................................23 7.6系统的调整试验及运行.......................................................................................................................23 7.7油槽各部件的安装及注油...................................................................................................................23 8运行维护............................................................................23 8.1运行与监测...........................................................................................................................................23 8.2巡检.......................................................................................................................................................24 8.3检修和维护.......................................................................................