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    • 7. 发明申请
    • OPERATION CONTROL METHOD FOR GAS TURBINE AND OPERATION CONTROLLER FOR GAS TURBINE
    • 用于气体涡轮机的操作控制方法和用于气体涡轮的操作控制器
    • US20120102966A1
    • 2012-05-03
    • US13382162
    • 2009-07-07
    • Hiroshi HaruyamaHideki TamakiYoshitaka KojimaHironori Kamoshida
    • Hiroshi HaruyamaHideki TamakiYoshitaka KojimaHironori Kamoshida
    • F02C9/00
    • F02C9/28F02C3/24F02C9/40F05D2260/95F05D2270/00F05D2270/083F05D2270/44
    • An operation control method for a gas turbine comprising the steps of: making a molten salt map in a liquid phase state by calculating a dew point and a solidus temperature of molten salt for causing high-temperature corrosion on high-temperature components of the turbine due to impurities using a thermodynamic equilibrium calculation on the basis of the impurities contained in low-quality fuel and operation data of the gas turbine, indicating a surface temperature and a pressure of the high-temperature components of the turbine on the molten salt map to determine a superposition state thereof on a region of molten salt in a liquid phase, predicting a lifetime of the high-temperature components of the gas turbine by estimating a corrosion rate thereof, and controlling the flow rate of the low-quality fuel supplied to a combustor on the basis of the prediction of the lifetime of the high-temperature components so that an area of surface temperature and pressure regions of the high-temperature components superposing on the region of molten salt in the liquid phase on the molten salt map is reduced.
    • 一种用于燃气轮机的操作控制方法,包括以下步骤:通过计算用于对涡轮机的高温部件造成高温腐蚀的熔融盐的露点和固相线温度,使熔融盐图形成液相状态 使用基于低质量燃料中包含的杂质和燃气轮机的操作数据的热力学平衡计算的杂质,表示在熔融盐图上的涡轮的高温组分的表面温度和压力,以确定 其在液相中的熔融盐区域上的叠加状态,通过估计燃气轮机的腐蚀速率来预测燃气轮机的高温部件的寿命,以及控制供给到燃烧器的低质量燃料的流量 在预测高温部件的寿命的基础上,使得高温部件的表面温度和压力区域的面积 在熔盐图上液相中的熔融盐区域上叠加的成分分量降低。
    • 8. 发明申请
    • Seal Structure and Control Method Therefor
    • 密封结构及其控制方法
    • US20100278645A1
    • 2010-11-04
    • US12769249
    • 2010-04-28
    • Kenjiro NARITAHaruyuki YamazakiHiroyuki DoiKei KobayashiHajime ToriyaTakeshi KudoYoshitaka Kojima
    • Kenjiro NARITAHaruyuki YamazakiHiroyuki DoiKei KobayashiHajime ToriyaTakeshi KudoYoshitaka Kojima
    • F04D29/10
    • F01D1/02F01D11/08F01D11/14F05D2240/55
    • Provided are a seal structure and a control method therefor that can improve sealing performance between a rotating portion and a fixed portion, smoothly start up a steam turbine, and suppress the temperature rise of the rotating portion even if the rotating portion is continuously rotated for a long period of time.A seal structure is configured such that seal fins 62 on a seal base-plate 61 side and corresponding breathable spacers 4b on a rotor 2a side are opposed to each other and breathable spacers 4a on the seal base-plate 61 side and corresponding seal fins 2a1 on the rotor 2a side are opposed to each other. The seal base-plate 61 is installed shiftably in a direction coming close to or moving away from the rotor 2a. If steam St has low pressure, the seal fins 62 and the corresponding breathable spacers 4b are not in contact with each other and the seal fins 2a1 and the corresponding breathable spacers 4a are not in contact with each other. If the steam St has high pressure, the seal fins 62 and the corresponding breathable spacers 4b are in contact with each other and the seal fins 2a1 and the corresponding breathable spacers 4a are in contact with each other.
    • 提供一种密封结构及其控制方法,其可以改善旋转部分和固定部分之间的密封性能,平滑地启动蒸汽轮机,并且即使旋转部分连续旋转,也可以抑制旋转部分的温度升高 很长一段时间 密封结构被构造成使得密封基板61侧的密封翅片62和转子2a侧上的相应的透气间隔件4b彼此相对,并且密封基板61侧上的透气间隔件4a和相应的密封翅片2a1 转子2a侧彼此相对。 密封基板61沿与转子2a接近或离开的方向可移动地安装。 如果蒸汽St具有低压力,密封翅片62和相应的透气间隔物4b彼此不接触,并且密封翅片2a1和相应的透气间隔件4a彼此不接触。 如果蒸汽St具有高压,则密封翅片62和相应的透气间隔件4b彼此接触,并且密封翅片2a1和相应的透气间隔件4a彼此接触。