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1、CHDOC MAHAN PROJECT1机组汽轮机高、中压调节汽门严密性试验 Unit Turbine HP & IP Governing Valve Leakage Test 编号 No.: 第 1 页 共 2 页（1/2） 开始操作时间： 年 月 日 时 分 终了时间 月 日 时 分Operating starting time: Y M D H M; Finishing time: Y M D H M操作任务： 号机组汽轮机高、中压调节汽门严密性试验( )Operation task: #_Unit Turbine HP & IP Governing Valve Leakage Test
2、 序号Serial 操 作 项 目Operation Item1检查确认 号机组汽轮机具备高中压调节汽门严密性试验的条件，发电机没有并网。Check and confirm #_unit turbine meet the requirement of HP & IP governing valve leakage test, generator has not paralleled.2检查确认汽轮机所有保护均已正常投入Check and confirm turbine all protection put into normal service.3检查确认汽轮机已冲转至 3000Rpm 且汽缸
3、上下缸温差小于 42Check and confirm turbine rolling to 3000rpm and temperature difference of upper and lower cylinder is less than 42.4检查确认机前主蒸汽压力不小于额定压力的 50，主、再热汽温至少有56过热度。Check and confirm fore-turbine main steam pressure not less than 50% of rated pressure, main and reheat steam pressure at least 56 supe
4、rheat value. 5检查确认机组真空大于 90Kpa，轴封系统运行正常Check and confirm unit vacuum value more than 90Kpa, gland seal system running normally.6检查确认机组交流润滑油泵运行正常，直流危急油泵可靠备用，润滑油压正常Check and confirm unit AC lube oil pump running normally, DC emergency pump reliable backup, lube oil pressure normal.7 检查确认机组高压密封油备用泵( )运
5、行正常Check and confirm unit HP seal oil spare pump running normally.8 检查确认机组 EH 油系统运行正常，油压正常Check and confirm unit EH oil system operating normally, oil pressure normal.9检查确认机组高、低压胀差在正常范围内Check and confirm unti HP & LP differential expansion in normal range.10检查确认机组高压旁路已可靠关闭Check and confirm unit HP b
6、ypass reliable closed.操作人 (Operator) _ 监护人(Supervisor) _ 值班负责人(Responsible):_ 值长 (Shift-chief):_CHDOC MAHAN PROJECT2机组汽轮机高、中压调节汽门严密性试验 Unit Turbine HP & IP Governing Valve Leakage Test 编号 No.: 第 2 页 共 2 页（2/2）开始操作时间： 年 月 日 时 分 终了时间 月 日 时 分 Operating starting time: Y M D H M; Finishing time: Y M D H
7、M操作任务： 号机组汽轮机高、中压调节汽门严密性试验 Operation task: #_Unit Turbine HP & IP Governing Valve Leakage Test 序号Serial 操 作 项 目 Operation Item11检查确认机组低压缸喷水已可靠投入低压缸排汽温度正常Check and confirm unit LP cylinder spray has already put into service reliably, LP cylinder exhaust steam temperature normal.12检查确认机组各项参数在正常范围内Chec
8、k and confirm unit all parameters in a normal range.13检查确认锅炉燃烧良好，主再热汽温、汽压稳定Check and confirm boiler combustion well, main & reheat steam temperature and pressure stable.14全面检查记录机组各项参数Inspect and record unit all parameters overall.15汇报值长，通知相关人员，机组高、中压调节汽门严密性试验开始Report to SIC, inform relevant personne
9、l, start unit HP & LP governing valve leakage test.16试验由当班主操作员操作，汽机专责工程师监护，人员已全部就位The test is operated by the chief operator in shift, and supervised by turbine professional engineer, staff ready.17 检查确认汽轮机转速稳定在 3000RpmCheck and confirm turbine rotating speed stable at 3000rpm.18在 DEH 进汽阀门严密试验画面，点击“
10、GV/IV”按钮，进行试验。检查高、中压主汽门开满，高、中压调门关闭。Menu EDH steam inlet valve leakage test, click “GV/IV” button, start the test. Check HP & IP main steam valve full open, HP & IP governing valve closed.19 当转速下降至规定转数（ ） Rpm 时，调节汽门严密性试验合格When rotating speed decrease to setpoint of ( ) rpm, governing valve leakage te
11、st qualified.20 恢复“GV/IV”按钮，试验结束。注意转数变化Recover “GV/IV” button, test completed. Pay attention to variation of rotating speed.21恢复系统运行Recover system operation.22全面检查机组各项参数均应正常Inspect unit each parameter overall, which should be normal.23 系统恢复后，机组保持转速 3000Rpm 稳定运行After system recover, unit keep the rotating speed of 3000rpm and operating stably. 操作人 (Operator) _ 监护人(Supervisor) _ 值班负责人(Responsible):_ 值长 (Shift-chief):_CHDOC MAHAN PROJECT1
