汽轮机运行培训教材
i) The upper and the lower casings temperature of turbine governing stage area exceeds 50℃.
j) Vacuum of turbine can not keep at 0.067MPa.
1.2启动前的准备工作 1.2 Preparation before turbine start苏u丹p:喀北电站汽机资料 a)检查油系统,油箱、油管道、冷油器不漏油,油箱油位正常, 油箱和冷油器放油门关严,冷油器进、出口油门处于开启位置, 交流、直流电动润滑油泵入口门开启,出口门开启; b)电动主闸门及其旁路门处于关闭位置; c)自动主汽门、调速汽门处于关闭位置; d)管道和汽缸本体疏水阀处于开启位置; e)各抽汽管道逆止门处于关闭位置;
b) Electric main stop valve and other bypass valves are in closed position;
c) Auto main stop valve and speed governing valve are in closed position;
d) Drain valves of pipe and casing proper are in open position;
下; d)主轴晃动值相对于原始值大于0.02mm(转子温度均匀状态允许的原始晃动值不大于 0.05mm) e)辅助油泵,顶轴系统及盘车装置失常时;
1.1 Forbidden startup scope of turbine
a) When emergency governor acts abnormally, HP automatic main stop valve, governing
valve or bleed steam check valve has blockage or can not be closed fully;
b) There is obvious friction sound in rotary part of turbo-generator unit; there is obvious
e) Each bleed steam pipe check valve is in closed position;
f)轴承进油温度不低于35℃;
苏丹喀北电站汽机资料
g)抗燃油源各阀门状态正确,油温升至20℃以上,抗燃油系统压力调 至14MPa。
f) Inlet oil temperature of bearing is no less than 35℃;
metal collisican not maintain no-load operation of turbine, or after unit
rejects load, it can not maintain rotary speed below the action speed of emergency
a) Check whether oil system, oil tank, oil pipes and oil cooler leak, oil level is normal, outlet valve of oil tank and oil cooler closes tightly, inlet and outlet oil valve of oil cooler is in open position, inlet valve and outlet valve of AC and DC electric lube oil pump are open.
蒸汽压力和温度表等)失灵时;
i)汽缸调节级区域上下缸温度超过50℃; k)汽轮机真空不能保持0.067MPa时。
f) EH oil or turbine oil is not qualified, and oil temperature is abnormal (after oil system is full of oil);
g) Insulation is not complete;
h) Main instruments (such as axial displacement, relative expansion, tachometer and important metal thermometer, main steam pressure condenser vacuum meter and thermometer) has failure;
汽轮机运行 turbine operation
苏丹喀北电站汽机资料
1. 机组的启动 1. STARTUP OF TURBINE 1.1 汽轮机组在下列情况时禁止启动
a)危急保安器动作不正常,高压自动主汽门、调节汽门、抽汽逆止门卡涩或不能关严时; b)汽轮发电机组转动部分有明显的摩擦声;机内有明显的金属声。 c)调速系统不能维持汽轮机空负荷运行,或机组甩负荷后不能维持转速在危急保安器动作转速以
e) When auxiliary oil pump, jacking oil system and turning gear device are abnormal;
f)抗燃油或透平油油质不合格,油温低于正常(油系统充苏满丹喀油北后电)站汽;机资料 g)保温不完整; h)主要仪表(如轴向位移,相对膨胀,转速表及重要金属温度表,主
governor:
d) vibration value of main shaft is 0.02mm bigger than original value (the original
vibration value in even state of rotor temperature is no big than 0.05mm);