汽机热态启动操作票中英综述.docx

1、汽机热态启动操作票中英综述 机组热态启动热机操作票 Unit Hot Start Hot Turbine Working Permit 编号No.: 第 1 页 共 54 页（1/54）操作开始时间Operation start-up time： 年Y 月M 日D 时H 分 M 结束时间Ending time： 日D 时H 分M操作任务：# 机组热态启动热机操作票Operation Procedure:#_Unit Hot Start Hot Turbine Working Permit序号Serial危险点分析Danger Point Analysis预控措施Measures1锅炉上水时金属

2、应力过大While boiler water feeding to boiler, metal stress too big1、上水温度一般不超过70，正常时给水母管压力与汽包压差控制在23MPA，要防止给水母管超压Water feeding temperature less than 70, normally water feeding header pressure and steam drum pressure differential stay at 23MPA under control, prevent the water feeding header over-pressure2

3、、严格按规程控制上水流量和速度Control water feeding flow rate and speed according to the procedure11投盘车时齿轮损坏Gear broken while turning1、投盘车前应手动将盘车挂闸,并确认盘车确已挂闸啮合良好Hand switch off while turning, to confirm turning is switched off and geared well.12开启轴封供汽门时管道振动During gland sealing start up vibration for the pipeline1、

4、稍开轴封供汽门，保持0.0120.02MPa 至少暖管10min后全开，注意充分疏水Open the gland sealing steam supplying valve slightly, maintain 0.0120.02MPa for pipe preheating for 10min before fully open, be attentive to water drainage.操作人 (Operator) _ 监护人(Supervisor) _ 值班负责人(Responsible):_ 值长 (Shift-chief):_ 机组热态启动热机操作票 Unit Hot Start

5、 Hot Turbine Working Permit 编号No.: 第 2 页 共 54 页（2/54）操作开始时间Operation start-up time： 年Y 月M 日D 时H 分 M 结束时间Ending time： 日D 时H 分M操作任务：# 机组热态启动热机操作票Operation Procedure:#_Unit Hot Start Hot Turbine Working Permit序号Serial危险点分析Danger Point Analysis预控措施Measures13启动高备泵时无油压While start the high standby pump, ha

6、ving no oil pressure1、排尽油系统内的空气Air in the system exhausted14低压缸排汽门破裂Steam venting valve fracture for low pressure cylinder1、真空抽至40KPa以上时再开启主、再热蒸汽管道疏水，开疏水时注意真空变化When the vacuum is extracted to above 40KPa,start the main or reheating steam pipeline for water drainage, attentive to the vacuum changing

7、when water drainage opening2、真空抽至70KPa以上时再投入旁路Put the bypass into use when the vacuum is extracted to above 70KPa15投入高、低压旁路时管道振动Pipe vibration while putting high or low pressure bypass into use.1、锅炉压力至0.5MPa 以上时投入旁路Put bypass into use while the boiler pressure reaches above 0.5MPa2、高压旁路投入时应充分暖管疏水Whi

8、le the high pressure bypass put into use, have the pipe preheated enough for water drainage3、投入高、低压旁路时应缓慢开启Slowly put the high or low pressure bypass into use操作人 (Operator) _ 监护人(Supervisor) _ 值班负责人(Responsible):_ 值长 (Shift-chief):_ 机组热态启动热机操作票Unit Hot Start Hot Turbine Working Permit 编号No.: 第 3 页 共

9、 54 页（3/54）操作开始时间Operation start-up time： 年Y 月M 日D 时H 分 M 结束时间Ending time： 日D 时H 分M操作任务：# 机组热态启动热机操作票Operation Procedure:#_Unit Hot Start Hot Turbine Working Permit序号Serial危险点分析Danger Point Analysis预控措施Measures16汽轮机冲动时弯轴与水冲击Shock existing between bending shaftand water. 1、汽机冲动前降低真空保护外的所有保护投入，胀差、上下缸温

10、差合格方可冲转When start the turbine shock, reduce the all protection except the vacuum protection, expansion differential, the temperature differential between the upper and bottom cylinder are qualified and impulse starting2、冲动前汽温，汽压必须合格，保证有50以上的过热度，疏水畅通Before impulse starting, the steam temperature and

11、pressure have to be qualified, ensure more than 50 super-heating degree and smooth water drainage.3、轴封供汽温度合格，送轴封和抽真空前必须连续盘车Gland sealing steam supply temperature qualified, continuous turning executed before supplying gland sealing and vacuum extraction 4、启动过程中机组应正常，当振动大跳闸时，应立即破坏真空紧急停机，查明原因The unit

12、should be normal during startup, when there is vibration and big trip, destroy the vacuum immediately to shutdown urgently, and check the reason for that.5、启动过程中，汽温急剧下降应打闸停机During start-up,if steam temperature decreases acutely, switch off to shutdown.17机组冲动过程的振动Vibration during unit impulse 1、迅速平稳的

13、通过临界转速，当振动跳闸时，应立即回到盘车状态查明原因，不得降速暖机和硬闯临界转速。While exceeding the critical rotation speed and tripping for the vibration happens, change into turning state to check the reason for that, never speed down to preheat or keep running while exceeding critical rotation speed.操作人 (Operator) _ 监护人(Supervisor) _

14、 值班负责人(Responsible):_ 值长 (Shift-chief):_ 机组热态启动热机操作票 Unit Hot Start Hot Turbine Working Permit 编号No.: 第 4 页 共 54 页（4/54）操作开始时间Operation start-up time： 年Y 月M 日D 时H 分 M 结束时间Ending time： 日D 时H 分M操作任务：# 机组热态启动热机操作票Operation Procedure:#_Unit Hot Start Hot Turbine Working Permit序号Serial危险点分析Danger Point A

15、nalysis预控措施Measures18机组冲动后盘车脱不开The turning gear keep engaged after unit impulse1、设专人监视，当盘车未能脱开时，立即打闸停机Supervisor appointed ,when turning gear engaged, instantly switch off to shutdown19机组定速后停止调整油泵和润滑油泵时，调整油压润滑油压力下降When unit stay at steady speed and stop the adjustment of the oil pump and lube oil pu

16、mp, lube oil for oil pressure adjustment decrease its pressure.1、停油泵时密切注意油压变化，如油压下降及时启动油.迅速查明原因Pay attention to the oil pressure changing tightly when stopping the oil pump, if the oil pressure lower ,start up the oil ,check the reason for that.20油温波动大Oil temperature fluctuate greatly1、冲动时设专人调整润滑油温，

17、保证油温在3545 ，防止油温波动过大Special persons appointed to adjust the lube oil temperature during impulse to ensure the temperature maintaining at 35 to 45 centigrade, to prevent it from fluctuating greatly.操作人 (Operator) _ 监护人(Supervisor) _ 值班负责人(Responsible):_ 值长 (Shift-chief):_ 机组热态启动热机操作票 Unit Hot Start Ho

18、t Turbine Working Permit 编号No.: 第 5 页 共 54 页（5/54）操作开始时间Operation start-up time： 年Y 月M 日D 时H 分 M 结束时间Ending time： 日D 时H 分M操作任务：# 机组热态启动热机操作票Operation Procedure:#_Unit Hot Start Hot Turbine Working Permit序号Serial危险点分析Danger Point Analysis预控措施Measures21发电机并列后风温升高Air temperature ascending after generat

19、ors parallel1、发电机并列后，视风温情况,及时开启投入氢冷器，开启出口门前放空气门，排尽空气When generators come to parallel, depending on the air temperature, in time start up and put the hydrogen cooler into use, start up the air venting valve at the outlet to exhaust all the air.22汽轮机负荷过程中出现振动Vibration in turbine load1、发现各轴承振动增大时，停止加负荷

20、或减少负荷直至振动消除为止，并在此负荷下暖机30min，再进行加负荷.When we find the vibration for each bearing increases, stop increasing or reducing load until the vibration disappears, and preheating under the load for 30 minutes, and then increase the load.23机组启动过程中上，下缸温差超过规定值Temperature differential between upper and down cyli

21、nder exceeds specified value during start-up.严格按规程要求的启动曲线控制加负荷速度及暖机时间，如温差超过51，并继续上升且无法消除时，应立即停机。Obeying the start-up curve strictly to control load increasing rate and preheating time, if the temperature differential exceeds 51 centigrade, and continue to ascend and cant be eliminated, shutdown quic

22、kly.24关闭疏水手动门时的人身伤害Personnel safety threatened while closing water drainage manual valve1、不要面对疏水门，以免由于盘根嗤开造成烫伤Dont stay in face of water drainage valve to avoid burns from the packing opened.操作人 (Operator) _ 监护人(Supervisor) _ 值班负责人(Responsible):_ 值长 (Shift-chief):_ 机组热态启动热机操作票 Unit Hot Start Hot Tur

23、bine Working Permit 编号No.: 第 6 页 共 54 页（6/54）操作开始时间Operation start-up time： 年Y 月M 日D 时H 分 M 结束时间Ending time： 日D 时H 分M操作任务：# 机组热态启动热机操作票Operation Procedure:#_Unit Hot Start Hot Turbine Working Permit序号Serial操作内容Operation Procedure时 间Time操作人一、锅炉点火前的检查与准备:Inspection and preparation before ignition for

24、boiler1影响机组启动的检修工作已结束，相关工作票已终结，对机组主、辅设备进行全面检查，机组符合启动条件The overhauling affecting the unit start-up has finished, relative working permit has expired, make overall inspection for main or auxiliary equipment of the unit which should meet the requirement of start-up .2主、辅机各保护联锁试验完成且合格，各保护、报警及所有仪表均应正常投入P

25、rotection interlock test for main or auxiliary machine has been finished and qualified, every protection, alarm and all the gauges should work normally3热控各远方控制、监测报警系统（包括联锁保护）以及各就地控制系统都正常完好The thermal control remote control,monitoring alarm system including interlock protection and local control syst

26、em working normally4各有关的转动机械设备（包括备用设备）、电磁阀、电动阀门等控制电源、操作电源、仪表电源等均应送电且经试操作正常Every running machine equipment including standby equipment, solenoid valve, electric valve(control power supply)5各辅机就地事故按钮均已复位，各辅机相关系统检查完好，符合投入条件Each auxiliary local accident should be reset, relative system for each auxiliar

27、y machine should meet the requirement of the starting up.操作人 (Operator) _ 监护人(Supervisor) _ 值班负责人(Responsible):_ 值长 (Shift-chief):_ 机组热态启动热机操作票 Unit Hot Start Hot Turbine Working Permit 编号No.: 第 7 页 共 54 页（7/54）操作开始时间Operation start-up time： 年Y 月M 日D 时H 分 M 结束时间Ending time： 日D 时H 分M操作任务：# 机组热态启动热机操作

28、票Operation Procedure:#_Unit Hot Start Hot Turbine Working Permit序号Serial操作内容Operation Procedure时 间Time操作人6检查汽机手动遮断手柄在“遮断”位置，机械超速试验手柄在“正常”位置，盘车装置手柄在“停用”位置Check the turbine manual trip handle should stay at trip status, the machine overspeed test handle should stay at normal status, turning gear handl

29、e should stay at stop status.7辅汽系统暖管结束后投入运行，维持辅汽联箱压力在0.650.85MPa:Auxiliary steam system undergoing preheating and then put into use, maintain its header pressure at 0.650.85MPa.8联系值长，要求化学加强制水，保证机组启动用水足够Contact the shift chief, require for chemical strengthening water preparation, ensure enough water

30、 for unit start-up.9检查主机润滑油油箱油位 mm，小机润滑油油箱油位 mm,油质是否合格，否则投入滤油系统运行Inspect the main motor lube oil tank level_mm, small motor lube oil tank level_mm, and whether oil is qualified or not,or else put the oil filtration system into use.操作人 (Operator) _ 监护人(Supervisor) _ 值班负责人(Responsible):_ 值长 (Shift-chief):_ 机组热态启动热机操作票 Unit Hot Start Hot Turbin