Steam turbine
    1.
    发明授权
    Steam turbine 有权
    汽轮机

    公开(公告)号:US09045993B2

    公开(公告)日:2015-06-02

    申请号:US13421569

    申请日:2012-03-15

    IPC分类号: F01D11/00 F16J15/06 F16J15/08

    摘要: A steam turbine 10 of an embodiment has seal rings 60 between an inlet sleeve 40 for introducing steam and an inner casing 20 and an outer casing 21 into which the inlet sleeve 40 is inserted. The seal rings 60 have high-temperature side seal rings 70 which are disposed their inner circumferences contacted to the outer circumference of the inlet sleeve 40, and low-temperature side seal rings 80 which are formed to have inner and outer diameters larger than those of the high-temperature side seal rings 70 and disposed with their outer circumferences contacted to the inner casing 20 or the outer casing 21. A thermal barrier layer 90 is disposed between the inner circumferences of the high-temperature side seal rings 70 and the outer circumference of the inlet sleeve 40 and between the high-temperature side seal rings 70 and the low-temperature side seal rings 80.

    摘要翻译: 一个实施例的蒸汽轮机10在用于引入蒸汽的入口套筒40和内壳体20之间具有密封环60,以及插入入口套筒40的外壳21。 密封环60具有设置在与入口套筒40的外周接触的内周的高温侧密封圈70和低温侧密封圈80,其内径和外径大于 高温侧密封环70并且设置有与外壳20或外壳21接触的外周。热障层90设置在高温侧密封环70的内周和外周 的入口套筒40之间以及高温侧密封环70和低温侧密封环80之间。

    Steam turbine, method of cooling steam turbine, and heat insulating method for steam turbine
    2.
    发明授权
    Steam turbine, method of cooling steam turbine, and heat insulating method for steam turbine 有权
    蒸汽轮机,蒸汽轮机的冷却方法,蒸汽轮机的隔热方法

    公开(公告)号:US08727705B2

    公开(公告)日:2014-05-20

    申请号:US12839826

    申请日:2010-07-20

    IPC分类号: F01D1/24

    摘要: A steam turbine 10 is provided with a double-structure comprising an inner casing 20 and an outer casing 21. A turbine rotor 22, in which plural stages of moving blades 24 are circumferentially implanted, is operatively disposed in inner casing 20. A diaphragm outer ring 25 and a diaphragm inner ring are disposed along the circumferential direction in inner casing 20. Stationary blades 27 are circumferentially provided between diaphragm outer ring 25 and the diaphragm inner ring, so that diaphragm outer ring 25, the diaphragm inner ring and stationary blades 27 form a stage of stationary blades. The stages of the stationary blades are arranged alternately with the stages of moving blades 24 in the axial direction of turbine rotor 22. A cooling medium passage 40 for passing a cooling medium CM which is supplied through a supply pipe 45 is formed between inner casing 20 and diaphragm outer ring 25.

    摘要翻译: 蒸汽轮机10设置有包括内壳20和外壳21的双重结构。涡轮机转子22可操作地设置在内壳20中,其中多个动叶片24周向地植入其中。 环25和隔膜内圈沿圆周方向设置在内壳体20中。固定叶片27周向地设置在隔膜外圈25和隔膜内圈之间,使得隔膜外圈25,隔膜内圈和固定叶片27 形成固定叶片的阶段。 固定叶片的阶段与动叶片24的阶段沿涡轮转子22的轴向交替布置。用于使通过供给管45供给的冷却介质CM通过的冷却介质通道40形成在内壳20 和隔膜外圈25。

    Steam turbine and cooling method thereof
    3.
    发明授权
    Steam turbine and cooling method thereof 有权
    蒸汽轮机及其冷却方法

    公开(公告)号:US08439627B2

    公开(公告)日:2013-05-14

    申请号:US12686129

    申请日:2010-01-12

    IPC分类号: F01D5/08 F01D5/18

    CPC分类号: F01D5/3007 F01D5/08 F01D5/085

    摘要: A steam turbine includes a casing, a rotor arranged inside the casing so as to extend in an axial direction of the casing, a rotor disk integrally formed with the rotor, a rotor-side implanting portion formed in the rotor disk, a plurality of moving blades arranged on the rotor disk in a circumferential direction of the rotor, and a moving blade-side implanting portion formed in the moving blade, in which the moving blade-side implanting portions of the moving blades are engaged with the rotor-side implanting portions, respectively. A cooling medium flows through a gap formed at least on a blade portion side of the moving blade among gaps formed between the moving blade-side implanting portions and the rotor-side implanting portions.

    摘要翻译: 一种蒸汽涡轮机,包括:壳体,设置在壳体内部以沿着壳体的轴向方向延伸的转子;与转子一体形成的转子盘,形成在转子盘中的转子侧注入部,多个移动 在转子圆周方向上设置在转子盘上的叶片,以及形成在动叶片中的动叶片侧植入部,其中动叶片的动叶片侧注入部分与转子侧植入部分接合 , 分别。 在形成于动叶片侧植入部和转子侧植入部之间的间隙中,冷却介质流过至少在动叶片的叶片部侧形成的间隙。

    Steam turbine and method of cooling steam turbine
    4.
    发明授权
    Steam turbine and method of cooling steam turbine 有权
    蒸汽轮机和蒸汽轮机冷却方法

    公开(公告)号:US08356974B2

    公开(公告)日:2013-01-22

    申请号:US12499228

    申请日:2009-07-08

    IPC分类号: F01D11/06 F01D25/08

    摘要: A steam turbine 20 is provided with a casing 109, a turbine rotor 25 disposed through the casing 109, and labyrinth portions 50, 55 which are disposed at the boundary between the casing 109 and the turbine rotor 25. The steam turbine 20 is further provided with a sealing steam pipe 65 for supplying sealing steam to the labyrinth portions 50, 55 and a gas supply pipe 60 for supplying the labyrinth portions 50, 55 with a cooling gas for cooling the turbine rotor 25 or a heating gas for heating the turbine rotor 25.

    摘要翻译: 蒸汽轮机20设置有壳体109,通过壳体109设置的涡轮机转子25和设置在壳体109和涡轮机转子25之间的边界处的迷宫部分50,55。蒸汽轮机20还被设置 用于向迷宫部分50,55供应密封蒸汽的密封蒸汽管65和用于向迷宫部分50,55供应用于冷却涡轮转子25的冷却气体或用于加热涡轮转子的加热气体的气体供给管60 25。

    STEAM DEVICE
    5.
    发明申请
    STEAM DEVICE 有权
    蒸汽装置

    公开(公告)号:US20110280717A1

    公开(公告)日:2011-11-17

    申请号:US13116635

    申请日:2011-05-26

    IPC分类号: F01D25/24

    摘要: In one embodiment, a steam device includes a high-temperature member and a low-temperature member. One surface of the high-temperature member is exposed to high-temperature steam, and the other surface is cooled by cooling steam having a temperature lower than the high-temperature steam. The low-temperature member is disposed to face the high-temperature member with a passage for the cooling steam therebetween and is formed of a material having a heat resistance lower than that of the high-temperature member. The steam device has at least one high-reflectance film selected from a first high-reflectance film, which is formed on the surface of the high-temperature member which is exposed to the high-temperature steam and has a higher reflectance with respect to infrared rays than the high-temperature member, and a second high-reflectance film, which is formed on the surface of the low-temperature member facing the high-temperature member and has a higher reflectance with respect to infrared rays than the low-temperature member.

    摘要翻译: 在一个实施例中,蒸汽装置包括高温部件和低温部件。 高温部件的一个表面暴露于高温蒸汽,另一个表面通过具有低于高温蒸汽的温度的冷却蒸汽来冷却。 所述低温部件配置成与所述高温部件面对,在所述高温部件之间具有用于冷却蒸汽的通路,并且由具有低于所述高温部件的耐热性的材料形成。 蒸汽装置具有至少一个选自第一高反射率膜的高反射率膜,其形成在暴露于高温蒸汽并且具有相对于红外线的较高反射率的高温部件的表面上 以及第二高反射率膜,其形成在面向高温部件的低温部件的表面上,并且相比于低温部件具有比红外线高的反射率 。

    DAMPER STRUCTURE AND ROTARY MACHINE
    6.
    发明申请
    DAMPER STRUCTURE AND ROTARY MACHINE 有权
    阻尼器结构和旋转机

    公开(公告)号:US20110269558A1

    公开(公告)日:2011-11-03

    申请号:US13143393

    申请日:2010-01-08

    申请人: Katsuya Yamashita

    发明人: Katsuya Yamashita

    IPC分类号: F16F7/00

    摘要: A damper structure of the present invention is provided on a shaft end (3a) of a spindle shaft (3) supported by a bearing, which shaft end (3a) extends outwardly from the bearing, and includes: a sleeve (11) provided around an outer circumference of the shaft end (3a); a housing (12) provided in a spaced manner from the sleeve (11) in a radial direction of the spindle shaft (3); and a moving portion (13) that moves the housing (12) and the sleeve (11) relatively in a spindle shaft direction, in which a squeeze film S (S1) is formed between an outer circumferential surface (11a) of the sleeve (11) and an inner circumferential surface (12b) of the housing (12) that face each other, and in which a formation area of the squeeze film S (S1) is variable.

    摘要翻译: 本发明的阻尼器结构设置在由轴承支撑的主轴(3)的轴端(3a)上,该轴端(3a)从轴承向外延伸,并且包括:围绕(11)设置的套筒 轴端(3a)的外周; 壳体(12),其沿着所述主轴(3)的径向与所述套筒(11)隔开设置; 以及移动部(13),其使所述壳体(12)和所述套筒(11)相对于主轴轴向移动,所述挤压薄膜S(S1)形成在所述套筒的外周面(11a) 11)和壳体(12)的彼此面对的内周面(12b),并且其中挤压薄膜S(S1)的形成区域是可变的。

    Steam turbine and turbine rotor
    7.
    发明授权
    Steam turbine and turbine rotor 有权
    蒸汽轮机和涡轮转子

    公开(公告)号:US07850423B2

    公开(公告)日:2010-12-14

    申请号:US11739358

    申请日:2007-04-24

    申请人: Katsuya Yamashita

    发明人: Katsuya Yamashita

    IPC分类号: F04D29/44

    摘要: High-temperature steam at 620° C. or higher is introduced to a reheat steam turbine 100, and a turbine rotor 113 of the reheat steam turbine 100 includes: a high-temperature turbine rotor constituent part 113a positioned in an area extending from a nozzle 114a on a first stage to a moving blade 115a on a stage where temperature of the steam becomes 550° C. and made of a corrosion and heat resistant material; and low-temperature turbine rotor constituent parts 113b connected to and sandwiching the high-temperature turbine rotor constituent part 113a and made of a material different from the material of the high-temperature turbine rotor constituent part 113a.

    摘要翻译: 将620℃以上的高温蒸汽引入再热蒸汽轮机100,再热蒸汽轮机100的涡轮转子113包括:高温涡轮机转子构成部113a,其位于从喷嘴延伸的区域 114a在蒸汽温度为550℃并由耐腐蚀和耐热材料制成的台上的动叶片115a上; 以及与高温涡轮机转子构成部113a连接并夹着高温涡轮转子构成部113a并由与高温涡轮转子构成部113a的材料不同的材料构成的低温涡轮转子构成部113b。

    STEAM TURBINE AND STEAM TURBINE PLANT SYSTEM
    9.
    发明申请
    STEAM TURBINE AND STEAM TURBINE PLANT SYSTEM 有权
    蒸汽涡轮机和蒸汽涡轮机系统

    公开(公告)号:US20100034641A1

    公开(公告)日:2010-02-11

    申请号:US12536652

    申请日:2009-08-06

    IPC分类号: F01D25/12 F01D25/26

    CPC分类号: F01D25/26 F01D25/14

    摘要: A steam turbine 10 is comprised of a double-structured casing configured of an outer casing 21 and an inner casing 20, a turbine rotor 23 disposed through the inner casing and having a plurality of stages of moving blades 22 implanted, and a plurality of stages of stationary blades 25 disposed alternately with the moving blades 22 in the axial direction of the turbine rotor 23 in the inner casing 20. The steam turbine 10 is further provided with a discharge passage 30 which externally guides steam, which has flown in the inner casing and passed the final stage moving blades while performing expansion work, directly from the inner casing interior.

    摘要翻译: 蒸汽轮机10由外壳21和内壳20构成的双重结构的壳体构成,透过内壳配置并具有植入的多级动叶片22的涡轮转子23和多级 固定叶片25与动叶片22在涡轮转子23的轴向方向上交替地设置在内壳体20中。蒸汽轮机10还设置有排出通道30,该排出通道30从外部引导已经在内壳体中流动的蒸汽 并在进行膨胀加工时直接从内套筒内部通过最终级动叶片。

    TURBINE ROTOR AND STEAM TURBINE
    10.
    发明申请
    TURBINE ROTOR AND STEAM TURBINE 有权
    涡轮转子和蒸汽涡轮机

    公开(公告)号:US20080166222A1

    公开(公告)日:2008-07-10

    申请号:US11956083

    申请日:2007-12-13

    IPC分类号: F01D5/08 F01D25/12

    摘要: A turbine rotor 300 includes: a high-temperature turbine rotor constituent part 301 where high-temperature steam passes; low-temperature turbine rotor constituent parts 302 sandwiching and weld-connected to the high-temperature turbine rotor constituent part 301 and made of a material different from a material of the high-temperature turbine rotor constituent part 301; and a cooling part cooling the high-temperature turbine rotor constituent part 301 by ejecting cooling steam 240 to a position, of the high-temperature turbine rotor constituent part 301, near a welded portion 120 between the high-temperature turbine rotor constituent part 301 and the low-temperature turbine rotor constituent part 302. A value equal to a distance divided by a diameter is equal to or more than 0.3, where the distance is a distance from the position, of the high-temperature turbine rotor constituent part 301, ejected the cooling steam 240 up to the welded portion 120, and the diameter is a turbine rotor diameter of the high-temperature turbine rotor constituent part 301.

    摘要翻译: 涡轮转子300包括:高温蒸汽通过的高温涡轮机转子构成部件301; 将高温涡轮机转子构成部件302夹持并焊接到高温涡轮机转子构成部件301上,并且由与高温涡轮机转子构成部件301的材料不同的材料制成; 以及冷却部,通过将高温涡轮转子构成部301的高温涡轮转子构成部301和高温涡轮转子构成部301之间的焊接部120附近的冷却蒸汽240喷射到高温涡轮转子构成部301的位置, 低温涡轮机转子构成部302。 等于距离除以直径的值等于或大于0.3,其中距离是与高温涡轮转子构成部分301的位置的距离,将冷却蒸汽240排出到焊接部分120 直径是高温涡轮转子构成部301的涡轮转子直径。