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1. 发明专利

JP2013083274A Steam turbine 有权
标题翻译：汽轮机
公开(公告)号：JP2013083274A
公开(公告)日：2013-05-09
申请号：JP2013026941
申请日：2013-02-14
申请人： Toshiba Corp , 株式会社東芝
发明人： INOMATA ASAKO , YAMASHITA KATSUYA , SAITO KAZUHIRO , INUKAI TAKAO , WADA KUNIHIKO , IKEDA KAZUTAKA , SUGA TAKEO
IPC分类号： F01D25/26 , F01D25/12 , F01D25/24
摘要： PROBLEM TO BE SOLVED: To provide a steam turbine which has a double-structured casing, and in which temperature elevation in an inner casing is suppressed.SOLUTION: A steam turbine 10 includes an inner casing 20 and an outer casing 21, wherein a turbine rotor 22 with a moving blade 24 implanted is penetratingly installed in the inner casing 20. A stationary blade 27 supported between a diaphragm outer ring 25 and a diaphragm inner ring 26 is disposed inside the inner casing 20. An inner circumferential surface of the inner casing 20 includes: a projection 28 formed along a circumferential direction and protruding toward the turbine rotor, with a side face of the projection at an upstream side being in contact with a side face at a downstream side of the diaphragm outer ring 25; and a cooling medium passage 50 for passing a cooling medium, the passage comprising a void 41 structured by the inner circumferential surface of the inner casing 20 and an outer circumferential surface of the diaphragm outer ring 25, and a pass-through slot 51 formed in the projection 28 and communicating the void 41.
摘要翻译：要解决的问题：提供一种具有双重结构的壳体并且抑制内壳体中的温度升高的蒸汽轮机。蒸汽涡轮机10包括内壳体20和外壳体21，其中具有植入的移动叶片24的涡轮机转子22穿透地安装在内壳体20中。固定叶片27，支撑在隔膜外环 25和隔膜内圈26设置在内壳体20的内部。内壳体20的内周面包括：沿圆周方向形成并朝向涡轮转子突出的突起28，突出部的侧面为上游侧与隔膜外圈25的下游侧的侧面接触; 以及用于使冷却介质通过的冷却介质通道50，该通道包括由内壳20的内周面构成的空隙41和隔膜外环25的外周面，以及形成在通孔投影28并传达空白41.版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2010255542A Steam turbine 有权
标题翻译：汽轮机
公开(公告)号：JP2010255542A
公开(公告)日：2010-11-11
申请号：JP2009107341
申请日：2009-04-27
申请人： Toshiba Corp , 株式会社東芝
发明人： IKEDA KAZUTAKA , IWAI SHOGO , KITAGUCHI KOICHI , YAMASHITA KATSUYA , SAITO KAZUHIRO , INOMATA ASAKO , SUGA TAKEO
IPC分类号： F01D25/26 , F01D9/02 , F01D25/00 , F01D25/24
摘要： PROBLEM TO BE SOLVED: To provide a steam turbine capable of suppressing thermal stress generated at a steam inlet pipe in which high temperature steam flows regardless of the temperature condition of the steam flowing into the steam turbine. SOLUTION: The steam turbine 10 includes a double-structured casing composed of an outer casing 21 and an inner casing 20, a turbine rotor 23 which is penetratingly disposed in the inner casing and i which a plurality of stages of moving blades 22 are implanted, a plurality of stages of stationary blades 25 disposed alternately with the moving blades 22 in the inner casing 20, and an exhaust flow passage 29 for leading the steam from inside the inner casing to the outside after passing the final stage moving blade. The steam turbine 10 further includes the steam inlet pipe 40 penetrating the inner casing 20, provided to make an inlet part 21a of the outer casing 21 communicate with an inlet 27a of a nozzle box 27, and comprising a double pipe including an inner pipe 41 and an outer pipe 42 with both ends between the inner pipe 41 and the outer pipe 42 sealed. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种蒸汽轮机，其能够抑制在高温蒸汽流动的蒸汽入口管处产生的热应力，而不管流入蒸汽轮机的蒸汽的温度条件如何。蒸汽涡轮机10包括由外壳21和内壳20构成的双重结构的壳体，透气转子23，其贯穿地设置在内壳体中，并且多个级的动叶片22 在内壳体20中与动叶片22交替设置的多级固定叶片25，以及用于在通过最终级移动叶片之后将蒸汽从内壳体内部引导到外部的排气流路29。蒸汽轮机10还包括穿过内壳20的蒸汽入口管40，其设置成使得外壳21的入口部21a与喷嘴箱27的入口27a连通，并且包括双管，其包括内管41 密封内管41和外管42之间的两端的外管42。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2010185450A Steam turbine 有权
标题翻译：汽轮机
公开(公告)号：JP2010185450A
公开(公告)日：2010-08-26
申请号：JP2010006151
申请日：2010-01-14
申请人： Toshiba Corp , 株式会社東芝
发明人： INOMATA ASAKO , YAMASHITA KATSUYA , SAITO KAZUHIRO , INUKAI TAKAO , IKEDA KAZUTAKA
IPC分类号： F01D5/08 , F01D5/18 , F01D9/02 , F01D11/02 , F01D25/12
CPC分类号： F01D5/082 , F01D5/085 , F01D11/001 , F01D11/02 , F01D11/04 , F05D2240/55 , F05D2240/81
摘要： PROBLEM TO BE SOLVED: To maintain soundness of turbine components by warranting strength of the turbine components such as a rotor even if high-temperature steam is used. SOLUTION: In a steam turbine 10 wherein a plurality of rotary blades 13 are integrated with rotor disks 15 integrally formed on a rotor 14 along the circumference of the rotor and a plurality of stationary blades 12 are arranged on a casing 16 covering the rotor in the circumference of the rotor and an inner diaphragm 18 opposite to the rotor disk is arranged at a rotor side of each stationary blade and turbine stages are formed by the stationary blades and the rotary blades adjoining axially of the rotor, a rotor-side cooling passage 22 is formed in the rotor disk 15 by penetrating axially into the rotor, a diaphragm-side cooling passage 21 is formed in the inner diaphragm 18 by penetrating axially into the rotor, and a cooling medium 27 flowing the rotor-side coolant passage 22 is separated into the diaphragm-side cooling passage 21 and a labyrinth channel 24 arranged at a rotor-side of the inner diaphragm 18. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：即使使用高温蒸汽，通过保证诸如转子的涡轮机部件的强度来保持涡轮机部件的健全性。解决方案：在蒸汽轮机10中，其中多个旋转叶片13与沿着转子的圆周整体形成在转子14上的转子盘15集成，并且多个固定叶片12布置在壳体16上，转子圆周上的转子和与转子盘相对的内隔膜18布置在每个固定叶片的转子侧，涡轮级由静止叶片和与转子轴向相邻的旋转叶片形成，转子侧冷却通道22通过轴向穿过转子形成在转子盘15中，通过轴向穿过转子形成在内隔膜18中的隔膜侧冷却通道21和流过转子侧冷却剂通道的冷却介质27 22分离成隔膜侧冷却通道21和布置在内隔膜18的转子侧的迷宫通道24.版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2008184974A Seal device for fluid machine and steam turbine 审中-公开
标题翻译：流体机和蒸汽涡轮密封装置
公开(公告)号：JP2008184974A
公开(公告)日：2008-08-14
申请号：JP2007019160
申请日：2007-01-30
申请人： Toshiba Corp , 株式会社東芝
发明人： HIRANO TOSHIO , SAKAKIDA HITOSHI , IKEDA KAZUTAKA , OISHI YASUSHI , YOSHIMURA KOJI
IPC分类号： F01D11/02 , F01D11/08 , F16J15/447
摘要： PROBLEM TO BE SOLVED: To provide a seal device for a fluid machine that prevents self-excited vibration caused by a labyrinth seal without deteriorating a fluid sealing effect that is essentially aimed at by the labyrinth seal.
SOLUTION: The seal device for a fluid machine includes the labyrinth seal 35 provided on a diaphragm outer ring 24 facing a tip portion of a turbine rotor blade 21, and a guide vane 27 provided on an outer cover block 28 fitted to the diaphragm outer ring 24. The guide vane 27 faces an inlet side of the labyrinth seal 35 and serves as a straightening part for straightening a swirling flow component of steam deviating from mainstream steam.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种流体机械的密封装置，其防止由迷宫式密封引起的自激振动，而不会使基本上由迷宫式密封件所针对的流体密封效果降低。解决方案：用于流体机械的密封装置包括设置在面向涡轮转子叶片21的尖端部分的隔膜外环24上的迷宫式密封件35和设置在外盖块28上的引导叶片27，隔膜外圈24.导向叶片27面对迷宫式密封件35的入口侧，并且用作矫直部分，用于矫正偏离主流蒸汽的蒸汽的旋流分量。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2007120476A Swirl flow prevention device for fluid machine 审中-公开
标题翻译：用于流体机的SWIRL流量预防装置
公开(公告)号：JP2007120476A
公开(公告)日：2007-05-17
申请号：JP2005317484
申请日：2005-10-31
申请人： Toshiba Corp , 株式会社東芝
发明人： HIRANO TOSHIO , SAKAKIDA HITOSHI , SHINOZAKI YUKIO , SASAKI TAKASHI , MURAKAMI ITARU , IKEDA KAZUTAKA , OISHI YASUSHI
IPC分类号： F01D11/04 , F02C7/28 , F04D29/08 , F16J15/447
摘要： PROBLEM TO BE SOLVED: To provide a swirl flow prevention device for a fluid machine suppressing self-excited vibration caused by a labyrinth seal without damaging sealing effect of fluid originally intended for the labyrinth seal, and facilitating attachment and replacement work.
SOLUTION: This swirl flow prevention device for the fluid machine is provided with a rotation part 21 and a stationary part 20, and the labyrinth seal 27 between a diaphragm 26 surrounding an end of the rotation part 21 and supporting the stationary part 20 and the end of the rotation part 21. A guide vane 29 is provided on an inlet side facing the labyrinth seal 27 and on a corner part of the diaphragm 26 supporting the stationary part 20, and the guide vane 29 is detachably attached to the diaphragm 26.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于抑制由迷宫式密封引起的自激振动的流体机械的涡流防止装置，而不会损害最初用于迷宫式密封件的流体的密封效果，并且便于附接和更换工作。解决方案：这种用于流体机械的涡流防止装置设置有旋转部21和静止部20，并且迷宫式密封27位于围绕旋转部21的端部并支撑固定部20的隔膜26之间旋转部21的端部。导向叶片29设置在面向迷宫式密封件27的入口侧和支撑静止部20的隔膜26的角部上，导向叶片29可拆卸地附接到隔膜 26.版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2006152954A Seal fin, labyrinth seal device and steam turbine equipped with labyrinth seal device 审中-公开
标题翻译：密封，乳胶密封装置和装有乳品密封装置的蒸汽涡轮
公开(公告)号：JP2006152954A
公开(公告)日：2006-06-15
申请号：JP2004346336
申请日：2004-11-30
申请人： Toshiba Corp , 株式会社東芝
发明人： TAKASU NORINAO , FUJIYAMA KAZUNARI , ISHIWATARI YUTAKA , INUKAI TAKAO , IKEDA KAZUTAKA , FUKUDA DAIJIRO
IPC分类号： F01D11/02 , F01D25/00 , F02C7/28 , F16B19/00 , F16J15/447
CPC分类号： F05C2251/08
摘要： PROBLEM TO BE SOLVED: To provide a labyrinth seal device enabling easy attachment and detachment of a seal fin to shorten work time.
SOLUTION: This seal fin 5 is planted in a fin fixing groove 6 provided on one or both of a moving part or a stationary part of a steam turbine. The seal fin 5 consists of a plant part 5-2 planted in the fin fixing groove 6, and a seal fin main body part 5-1 joined to the plant part and projecting from the fin fixing groove. An engagement part engaging with the fin fixing groove is provided in the plant part and a spring function for maintaining the engagement condition is provided.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种迷宫式密封装置，能够容易地安装和拆卸密封翅片，缩短工作时间。解决方案：该密封翅片5种植在设置在蒸汽轮机的移动部分或静止部分中的一个或两个上的散热片固定槽6中。密封翅片5由设置在散热片固定槽6中的植物部分5-2和接合到植物部分并从翅片固定槽突出的密封翅片主体部分5-1组成。在植物部分设置有与鳍片固定槽接合的接合部，并且提供用于保持接合状态的弹簧功能。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2011038424A Steam turbine, cooling method of steam turbine and heat cutoff method of steam turbine 有权
标题翻译：蒸汽涡轮机，蒸汽涡轮机冷却方法和蒸汽涡轮机热切割方法
公开(公告)号：JP2011038424A
公开(公告)日：2011-02-24
申请号：JP2009184406
申请日：2009-08-07
申请人： Toshiba Corp , 株式会社東芝
发明人： INOMATA ASAKO , YAMASHITA KATSUYA , SAITO KAZUHIRO , INUKAI TAKAO , WADA KUNIHIKO , IKEDA KAZUTAKA , SUGA TAKEO
IPC分类号： F01D25/26 , F01D25/24
CPC分类号： F01D25/12 , F01D25/26 , F05D2220/31 , F05D2260/205 , F05D2260/2322
摘要： PROBLEM TO BE SOLVED: To provide a steam turbine, a cooling method of the steam turbine and a heat cutoff method of the steam turbine, capable of restraining a temperature rise in a casing, particularly, an inner casing in the steam turbine having the casing of a double structure. SOLUTION: This steam turbine 10 includes the casing of the double structure constituted of the inner casing 20 and an outer casing 21 arranged on its outside. A turbine rotor 22 of implanting a moving blade 24 is penetratingly arranged in the inner casing 20. A diaphragm outer ring 25 and a diaphragm inner ring are arranged along the peripheral direction inside the inner casing 20, and a stationary blade 27 is supported between these, and is alternately arranged with the moving blade 24 in the axial direction of the turbine rotor 22. A cooling medium passage 40 for passing a cooling medium CM supplied from a supply pipe 45, is formed between the inner casing 20 and the diaphragm outer ring 25. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种汽轮机，蒸汽轮机的冷却方法和蒸汽轮机的热切断方法，其能够抑制壳体，特别是汽轮机内的壳体的温度升高具有双重结构的外壳。解决方案：该汽轮机10包括由内壳20和布置在其外部的外壳21构成的双重结构的壳体。植入活动叶片24的涡轮机转子22贯穿地设置在内壳体20中。隔膜外圈25和隔膜内圈沿内周方向配置在内壳体20的内部，固定叶片27被支承在这些并且与动叶片24沿涡轮机转子22的轴向交替地配置。用于使从供给管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和隔膜外圈之间 25.版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2010242156A Ni-BASED ALLOY SUPERIOR IN HIGH-TEMPERATURE STRENGTH, CASTABILITY AND WELDABILITY FOR CAST COMPONENT OF STEAM TURBINE, AND MEMBER FOR STEAM TURBINE 审中-公开
标题翻译：基于镍的合金超高温汽轮机组件的高温强度，可焊性和焊接性能，以及蒸汽轮机组件
公开(公告)号：JP2010242156A
公开(公告)日：2010-10-28
申请号：JP2009091578
申请日：2009-04-03
申请人： Toshiba Corp , 株式会社東芝
发明人： NEMOTO KUNIYOSHI , IMAI KIYOSHI , YOSHIOKA HIROAKI , YAMADA MASAYUKI , MIYASHITA SHIGEKAZU , SUGA TAKEO , TAKAHASHI TAKEO , IKEDA KAZUTAKA
IPC分类号： C22C19/05 , F01D5/28 , F01D25/00 , F01D25/24
摘要： PROBLEM TO BE SOLVED: To provide a Ni-based alloy superior in all of high-temperature strength, castability and weldability for a cast component of a steam turbine, and to provide a member for the steam turbine, which has been made by using the Ni-based alloy.
SOLUTION: The Ni-based alloy superior in high-temperature strength, castability and weldability for the cast component of the steam turbine includes, by mass%, 0.01-0.15% C, 18-28% Cr, 10-15% Co, 8-12% Mo, 1.5-2% Al, 0.1-3% Ti, 0.001-0.006% B, 0.1-0.7% Ta, 0.5-3% Re and the balance Ni with unavoidable impurities.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种在蒸汽轮机的铸造部件的全部高温强度，浇铸性和焊接性方面优异的Ni基合金，并且提供已经制成的蒸汽轮机的部件通过使用Ni基合金。解决方案：蒸汽轮机的铸造部件的高温强度，浇铸性和焊接性优异的Ni基合金，以质量％计，含有0.01-0.15％的C，18〜28％的Cr，10〜15％ Co，8-12％Mo，1.5-2％Al，0.1-3％Ti，0.001-0.006％B，0.1-0.7％Ta，0.5-3％Re，余量为Ni和不可避免的杂质。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2010150586A Ni-based alloy for forged part of steam turbine excellent in high-temperature strength, forgeability and weldability, rotor blade of steam turbine, stator blade of steam turbine, screw member for steam turbine, and pipe for steam turbine 审中-公开
标题翻译：用于高温强度，强度和焊接性能优异的蒸汽涡轮锻造部分的基于镍的合金，蒸汽涡轮机的转子叶片，蒸汽涡轮的定子叶片，蒸汽涡轮机的螺杆部件和用于蒸汽涡轮的管道
公开(公告)号：JP2010150586A
公开(公告)日：2010-07-08
申请号：JP2008328460
申请日：2008-12-24
申请人： Toshiba Corp , 株式会社東芝
发明人： NEMOTO KUNIYOSHI , IMAI KIYOSHI , YOSHIOKA HIROAKI , YAMADA MASAYUKI , MIYASHITA SHIGEKAZU , SUGA TAKEO , TAKAHASHI TAKEO , IKEDA KAZUTAKA
IPC分类号： C22C19/05 , B21J5/00 , B21K1/44 , B21K3/04 , B21K21/06 , C21D9/00 , C22F1/00 , C22F1/10 , F01D5/28 , F01D25/00 , F01D25/24
CPC分类号： C22C19/055
摘要： PROBLEM TO BE SOLVED: To provide an Ni-based alloy for a forged part of a steam turbine excellent in high-temperature strength, forgeability and weldability, and to provide a rotor blade of steam turbine, a stator blade of steam turbine, a screw member for steam turbine and a pipe for steam turbine which are made of the Ni-based alloy for a forged part of a steam turbine.
SOLUTION: The Ni-based alloy for forged part of steam turbine excellent in high-temperature strength, forgeability and weldability includes, in percentage by mass, 0.01 to 0.15 of C, 18 to 28 of Cr, 10 to 15 of Co, 8 to 12 of Mo, 1.5 to 2 of Al, 0.1 to 3 of Ti, 0.001 to 0.006 of B, 0.1 to 0.7 of Ta and the remaining part of Ni and inevitable impurities.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供高温强度，锻造性和焊接性优异的蒸汽轮机的锻造部分的Ni基合金，并且提供蒸汽轮机的转子叶片，蒸汽轮机的定子叶片蒸汽涡轮机的螺杆部件，蒸汽轮机用管，由蒸汽轮机的锻造部分的镍基合金制成。解决方案：高温强度，锻造性和焊接性优异的蒸汽轮机锻造部分的Ni基合金，以质量计含有0.01〜0.15的C，18〜28的Cr，10〜15的Co ，Mo的8〜12，Al的1.5〜2，Ti的0.1〜3，B的0.001〜0.006，Ta的0.1〜0.7，剩余的Ni和不可避免的杂质。版权所有（C）2010，JPO＆INPIT

10. 发明专利

JP2009047122A Steam turbine 审中-公开
标题翻译：汽轮机
公开(公告)号：JP2009047122A
公开(公告)日：2009-03-05
申请号：JP2007215768
申请日：2007-08-22
申请人： Toshiba Corp , 株式会社東芝
发明人： KAWAKAMI HIROSHI , IKEDA KAZUTAKA , KITAGUCHI KOICHI
IPC分类号： F01D25/24 , F01D11/00 , F01D11/02
CPC分类号： F01D11/005 , F01D9/047 , F01D25/26 , F05D2240/55
摘要： PROBLEM TO BE SOLVED: To provide high performance steam turbine capable of restraining deterioration of efficiency caused by a structure around a nozzle box of the steam turbine.
SOLUTION: The steam turbine 1 has a stationary section including a casing 2, a turbine rotor 3 equipped with moving blades 3b1, 3b2, 3b3..., turbine nozzles 4b1, 4b2, 4b3... forming pairs with the moving blades 3b1, 3b2, 3b3... and held by the stationary section, a steam passage section 8 formed by the moving blades 3b1, 3b2, 3b3... and the turbine nozzles 4b1, 4b2, 4b3..., the nozzle box 5 held by the stationary section and arranged at the most upstream part of the steam passage section 8, and a seal means 9 dividing a space between the turbine rotor 3 and the casing 2 into a first space 10a formed on an inner peripheral side of the steam passage section 8 and a second space 10b formed on an outer peripheral side of the steam passage section 8 and restraining circulation of a flow of the steam between them.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供能够抑制由蒸汽轮机的喷嘴箱周围的结构引起的效率劣化的高性能蒸汽轮机。解决方案：蒸汽轮机1具有包括外壳2的固定部分，具有动叶片3b1,3b2,3b3的涡轮转子3，与移动的叶片形成成对的涡轮喷嘴4b1,4b2,4b3 ... 由固定部分保持的叶片3b1,3b2,3b3，由动叶片3b1,3b2,3b3 ...和涡轮喷嘴4b1,4b2,4b3 ...形成的蒸汽通道部分8，喷嘴箱 5由固定部分固定并布置在蒸汽通道部分8的最上游部分;以及密封装置9，其将涡轮机转子3和壳体2之间的空间分成形成在蒸汽通道部分8的内周侧的第一空间10a 蒸汽通道部分8和形成在蒸汽通道部分8的外周侧上的第二空间10b，并且阻止蒸汽流在它们之间。版权所有（C）2009，JPO＆INPIT

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