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1. 发明专利

JP2011208502A Sealing device of steam turbine 审中-公开
标题翻译：蒸汽涡轮机密封装置
公开(公告)号：JP2011208502A
公开(公告)日：2011-10-20
申请号：JP2010074053
申请日：2010-03-29
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SHIBANUMA KEITO , NAKAMURA KENJU
IPC分类号： F01D11/02 , F01D25/00 , F16J15/453
摘要： PROBLEM TO BE SOLVED: To provide a sealing device of a steam turbine for improving a sealing performance and an operational performance of the steam turbine by narrowing a gap between a steam turbine rotor and a stationary body, and suppressing damages on the turbine rotor and generation of vibrations due to a contact with a sealing member.SOLUTION: In the sealing device of the steam turbine, a curve part 1a is provided in a tip end part of a plate-shaped sealing member 1 attached to the stationary body member of the steam turbine, and an inclining surface is formed at the tip of the curve part 1a. A plurality of plate-shaped sealing members 1 are installed so as to be stacked along an axial direction of a turbine rotor 3 and the plurality of stacked plate-shaped seal members 1 are spaced from each other and arranged along a circumferential direction. A step part 2 formed with an inclining surface is formed at a position opposing to an outer surface of the turbine rotor 3, the plurality of plate-shaped sealing member 1 being stacked and installed.
摘要翻译：要解决的问题：提供一种蒸汽轮机的密封装置，用于通过缩小蒸汽轮机转子和静止体之间的间隙来提高蒸汽轮机的密封性能和操作性能，并且抑制涡轮机转子和发电的损坏由于与密封构件的接触而引起的振动。解决方案：在蒸汽轮机的密封装置中，弯曲部1a设置在安装在蒸汽的静止体部件上的板状密封构件1的前端部涡轮机，并且在曲线部分1a的尖端处形成倾斜表面。多个板状的密封部件1沿着涡轮转子3的轴向重叠地安装，并且多个层叠的板状的密封部件1彼此间隔开并且沿圆周方向配置。在与涡轮机转子3的外表面相对的位置处形成有倾斜表面的台阶部分2，多个板状密封件1被堆叠和安装。

2. 发明专利

JP2014070514A Turbomachine with thrust bearing device 审中-公开
标题翻译：涡轮轴承带轴承装置
公开(公告)号：JP2014070514A
公开(公告)日：2014-04-21
申请号：JP2012215462
申请日：2012-09-28
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SAKAKIBARA KAZUYA , NAKAMURA KENJU
IPC分类号： F01D25/16 , F02C7/06 , F04D29/046 , F16C17/04 , F16C33/02
摘要： PROBLEM TO BE SOLVED: To provide a thrust bearing structure having a function for improving a stability against a rotor vibration while supporting a thrust force in a thrust bearing.SOLUTION: The present invention relates to a turbomachine comprising a rotor 1 formed with a thrust collar part 4 and a thrust bearing device 2 for rotatably supporting the rotor 1 in which a sliding surface 3 of the thrust bearing device and a contact surface 5 of the thrust collar part 4 oppositely facing against the sliding surface have a gradient toward a rotor shaft.
摘要翻译：要解决的问题：提供一种推力轴承结构，其具有改善对转子振动的稳定性的功能，同时支撑推力轴承中的推力。解决方案：涡轮机技术领域本发明涉及一种涡轮机，其包括形成有止推环第四部分和推力轴承装置2，用于可旋转地支撑转子1，推力轴承装置的滑动表面3和止推环部分4的与滑动表面相对的接触表面5具有朝向转子轴的梯度。

3. 发明专利

JP2009250217A Turbine rotor blade 有权
标题翻译：涡轮转子叶片
公开(公告)号：JP2009250217A
公开(公告)日：2009-10-29
申请号：JP2008103021
申请日：2008-04-11
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ASAI KUNIO , KUDO TAKESHI , NAKAMURA KENJU
IPC分类号： F01D5/22 , F01D5/20
摘要： PROBLEM TO BE SOLVED: To provide a turbine rotor blade reduced in both erosion and stress generation at a cover appentice base end corner on the dorsal side of a steam inlet, which corner is easily subjected to erosion and produces a high stress. SOLUTION: The turbine rotor blade has a rib overhanging a radial inner periphery side in a cover appentice on the ventral side of a steam outlet. The rib end on the opposite side of a side coupled to a moving blade profile is positioned on a steam inlet side from an intersecting point between an extension line of a cover contact surface positioned on the dorsal side of steam inlet side of adjacent blade contact-coupled to the cover appentice, and a visible outline of the blade profile. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种涡轮转子叶片，其在蒸汽入口的背侧上的覆盖基底端部处减少了侵蚀和应力产生，该拐角容易受到侵蚀并产生高应力。解决方案：涡轮转子叶片具有在蒸汽出口的腹侧上的覆盖物中的径向内周侧突出的肋。在连接于活动叶片轮廓的一侧的相对侧上的肋端部位于相邻刀片接触面的蒸汽入口侧的背侧的盖接触表面的延伸线之间的交叉点的蒸汽入口侧，连接到盖子附件以及刀片轮廓的可视轮廓。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2013164038A Steam turbine, steam output adjusting system and thermal power generation system 有权
标题翻译：蒸汽涡轮机，蒸汽输出调节系统和热发电系统
公开(公告)号：JP2013164038A
公开(公告)日：2013-08-22
申请号：JP2012028132
申请日：2012-02-13
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： OGATA KOJI , NAKAMURA KENJU , FUJISAKI TAKETO
IPC分类号： F01K7/38 , B01D53/62 , F01D17/00 , F01K17/04
CPC分类号： Y02A50/2342 , Y02C10/04
摘要： PROBLEM TO BE SOLVED: To prevent a strict condition in strength to a stage located in front of an output pipe (extraction pipe) takeout position even if excess steam is outputted to the outside.SOLUTION: In a steam turbine power generation facility for outputting steam from an intermediate pressure turbine 3 to a CCS facility 12, for example, a communication pipe 25 is arranged which connects an output pipe 22 for outputting steam to the outside with an extraction pipe 20 located at an upstream side of an output pipe takeout position. When an excess steam is outputted, a steam turbine opens a regulating valve 24 and supplies a part of extracted steam from the extraction pipe 20 to the output pipe 22.
摘要翻译：要解决的问题：即使过量的蒸汽输出到外部，也可以防止在输出管（抽取管）取出位置的前方的强度的严格条件。解决方案：在用于输出蒸汽的蒸汽轮机发电设备从中压涡轮3到CCS设备12，例如，连通管25被布置成将输出管22输出到外部，其中抽出管20位于输出管取出位置的上游侧。当输出多余的蒸汽时，蒸汽轮机打开调节阀24并将抽出的蒸汽的一部分从抽取管20供给到输出管22。

5. 发明专利

JP2008180186A Turbine moving blade 有权
标题翻译：涡轮机叶片
公开(公告)号：JP2008180186A
公开(公告)日：2008-08-07
申请号：JP2007015739
申请日：2007-01-26
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YAMASHITA MINORU , SENOO SHIGEKI , SAITO EIJI , KUDO TAKESHI , NAKAMURA KENJU
IPC分类号： F01D5/14 , F01D5/22 , F01D5/28 , F01D5/30
CPC分类号： F01D5/141 , F01D5/22
摘要： PROBLEM TO BE SOLVED: To provide a turbine moving blade provided with a root blade shape capable of keeping centrifugal stress acting on a blade part and a blade implant part below limit value of material and securing steam channel even if length of the blade is increased for increasing annular belt area.
SOLUTION: The turbine moving blade of a steam turbine low pressure final stage has annular belt area exceeding 9.6 m
2 (13.8 m
2 ) in steam turbine final stage blades of rated rotation speed 3600 rpm (3000 rpm), is formed out of martensite steel, and comprises three regions of an inlet side curved region 12 and an outlet side curved region 13 having curvatures on a back side surface 7 and face side surface 8 of the blade at a root of the turbine moving blade respectively and a region formed roughly linearly between the two curved regions. Also, a blade shape at the turbine moving blade root is formed to satisfy a relation of blade pitch t and turbine axial width of BW/t≥5.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有根叶形状的涡轮机动叶片，其能够将作用在叶片部分上的离心应力和叶片植入部分保持在材料的极限值以下并固定蒸汽通道，即使叶片的长度增加环形带面积。
解决方案：蒸汽轮机低压终级叶片的涡轮机动叶片在蒸汽轮机末级叶片中的环形带面积超过9.6米 2 （13.8米 2 ）额定旋转速度3600rpm（3000rpm）由马氏体钢形成，并且包括入口侧弯曲区域12和出口侧弯曲区域13的三个区域，该区域在背面7上具有曲率，并且在侧面8 分别在涡轮机动叶片的根部处的叶片和在两个弯曲区域之间大致线性地形成的区域。另外，在涡轮机动叶片根部形成叶片形状，以满足叶片间距t和BW /t≥5的涡轮机轴向宽度的关系。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2007254806A Turbine casing 有权
标题翻译：涡轮机
公开(公告)号：JP2007254806A
公开(公告)日：2007-10-04
申请号：JP2006079906
申请日：2006-03-23
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KAWANAKA KEIJI , ARAI MASAHIKO , NAKAMURA KENJU
IPC分类号： C22C38/00 , B23K35/30 , C22C38/54 , F01D5/28 , F01D25/24
CPC分类号： F04D29/023 , C21D1/20 , C21D1/28 , C21D1/30 , C21D6/004 , C21D9/0068 , C21D2211/002 , C22C38/02 , C22C38/04 , C22C38/44 , C22C38/46 , C22C38/50 , F04D29/4206 , F05D2230/21 , F05D2300/171
摘要： PROBLEM TO BE SOLVED: To provide a casing having excellent high temperature strength and having excellent high toughness and weldability as a casing material used in a high temperature-high pressure steam environment. SOLUTION: The casing is formed of an alloy having a composition comprising, by mass, 0.08 to 0.20% C, 0.05 to 0.45% Si, 0.10 to 0.30% Mn, 0.80 to 1.40% Ni, 1.00 to 1.40% Cr, 1.20 to 1.60% Mo, 0.10 to 0.30% V, 0.06 to 0.10% Ti, 0.0005 to 0.0010% B, ≤0.01% P, ≤0.01% S and ≤0.005% Al, and the balance Fe with inevitable impurity elements. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有优异的高温强度并且具有优异的高韧性和焊接性的外壳作为在高温高压蒸气环境中使用的外壳材料。解决方案：壳体由合金组成，其含量为0.08〜0.20％C，0.05〜0.45％Si，0.10〜0.30％Mn，0.80〜1.40％Ni，1.00〜1.40％Cr， 1.20〜1.60％Mo，0.10〜0.30％V，0.06〜0.10％Ti，0.0005〜0.0010％B，≤0.01％P，≤0.01％S和≤0.005％Al，余量为Fe与不可避免的杂质元素。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2007092695A Turbine rotor, reversed christmas tree type turbine bucket, low pressure steam turbine using it and steam turbine power plant 有权
标题翻译：涡轮转子，反转圣诞树型涡轮马桶，低压蒸汽涡轮机，使用它和蒸汽涡轮发电厂
公开(公告)号：JP2007092695A
公开(公告)日：2007-04-12
申请号：JP2005285734
申请日：2005-09-30
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SUZUKI FUMIYUKI , ASAI KUNIO , KUDO TAKESHI , NAKAMURA KENJU
IPC分类号： F01D5/30
CPC分类号： F01D5/06 , F01D5/3007 , F05D2220/31 , F05D2250/70
摘要： PROBLEM TO BE SOLVED: To provide a turbine rotor and a turbine bucket, making balance of stress generated according to material strength ratio of blade material and rotor material appropriate, reducing hook part share stress of a rotor, increasing rigidity of the rotor hook part, and reducing rotor neck part peak stress by appropriately distributing the strength margin of the blade side to the strength margin of the rotor side, in a turbine rotor in which tensile strength of the blade material and the rotor material is low and difference thereof is large.
SOLUTION: I-th rotor radial direction hook length Hri from rotor outermost circumference and i-th bucket radial direction hook length Hbi from buckle outermost circumference have a relation of Hri>Hbi in the turbine rotor, and rotor circumference direction neck width Wri of i-th rotor neck part from rotor outermost circumference and buckle circumference direction neck width Wbi of i-th buckle neck part from buckle innermost circumference have a relation of Wri>Wbi in the turbine bucket.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了提供涡轮机转子和涡轮机斗，根据叶片材料和转子材料的材料强度比适当地产生的应力的平衡，减小钩部分共享转子的应力，增加转子的刚度通过在叶片材料和转子材料的拉伸强度低的涡轮转子中适当地分配叶片侧的强度边缘到转子侧的强度边缘来减小转子颈部部分峰值应力，并且其差异很大解决方案：转子最外周边的第i个转子径向钩长度Hri和第i个铲斗径向方向钩长度从带扣最外周的Hbi与涡轮转子中的Hri> Hbi的关系以及转子的圆周方向颈部宽度来自转子最外圆周的第i个转子颈部的部分和带扣圆周方向颈部宽度从扣扣最内圆周的第i个带扣颈部的Wbi具有Wri> Wbi在涡轮机桶中的关系。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2014062478A Steam turbine equipment 有权
标题翻译：蒸汽涡轮机设备
公开(公告)号：JP2014062478A
公开(公告)日：2014-04-10
申请号：JP2012207134
申请日：2012-09-20
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TAKAHASHI YUSUKE , NAKAMURA KENJU , OGASAWARA NOZOMI
IPC分类号： F01K17/04 , B01D53/14 , B01D53/62 , C01B32/50 , F01D17/16
CPC分类号： Y02C10/04 , Y02C10/06 , Y02P20/152
摘要： PROBLEM TO BE SOLVED: To provide steam turbine equipment capable of permanently supplying steam of a required pressure to a carbon dioxide separation and recovery apparatus.SOLUTION: Steam turbine equipment includes: a boiler 1; a high-pressure turbine 3 driven by steam generated by the boiler 1; a low-pressure turbine 9 driven by steam having driven the high-pressure turbine 3; and a carbon oxide separation and recovery apparatus 50 for separating and recovering carbon dioxide of exhaust gas discharged from the boiler 1 with part of steam supplied to the low-pressure turbine 9 as a heat source. The low-pressure turbine 9 includes a stationary blade angle change mechanism for changing the angle of elevation of at least one step of a stationary blade 31 including an initial step.
摘要翻译：要解决的问题：提供能够永久地向二氧化碳分离和回收装置供应所需压力的蒸汽的蒸汽轮机设备。解决方案：蒸汽轮机设备包括：锅炉1; 由锅炉1产生的蒸汽驱动的高压汽轮机3; 由驱动高压涡轮机3的蒸汽驱动的低压涡轮机9; 以及用于从供应到作为热源的低压涡轮机9的蒸汽的一部分分离和回收从锅炉1排出的废气的二氧化碳的碳氧化物分离和回收装置50。低压涡轮9包括用于改变包括初始步骤的固定叶片31的至少一个台阶的仰角的固定叶片角度改变机构。

9. 发明专利

JP2011064171A Turbomachinery and sealing device 审中-公开
标题翻译：涡轮机和密封装置
公开(公告)号：JP2011064171A
公开(公告)日：2011-03-31
申请号：JP2009217125
申请日：2009-09-18
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SAKAKIBARA KAZUYA , NAKAMURA KENJU
IPC分类号： F01D11/08 , F16J15/447
摘要： PROBLEM TO BE SOLVED: To provide turbomachinery which can suppress variation in operation of a leakage amount of working fluid from between a rotor and a stationary body regardless of an abrasion state or the like of a fin, and a sealing device used in the turbomachinery. SOLUTION: The turbomachinery includes: the rotor 100 having a cover 3 expanding to a radially outside toward a downstream side of a flow direction 12 of the working fluid, on at least a part of an outer circumferential surface; the stationary body 200 covering the outer circumference of the rotor 100; and a sealing device 300 suppressing leakage of the working fluid between the rotor 100 and the stationary body 200. The sealing device 300 in which a counter portion facing the cover 3 of the rotor 100 is formed corresponding to the cover 3, includes: a seal fin 7 constituting a seal portion together with the cover 3; and a feed mechanism 8 provided on an inner circumferential portion of the stationary 200 and moving the seal fin 7 in an axial direction of the rotor 200. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种可以抑制工作流体从转子和静止体之间的泄漏量的操作变化的涡轮机械，而不管翅片的磨损状态等如何，以及用于涡轮机。涡轮机械包括：转子100，其具有在外周面的至少一部分上朝向工作流体的流动方向12的下游侧向径向外侧扩张的盖3; 覆盖转子100的外周的固定体200; 以及密封装置300，其抑制工作流体在转子100和固定体200之间的泄漏。密封装置300，其中与盖3对应地形成有与转子100的盖3相对的对置部，密封装置300包括：翅片7与盖3一起构成密封部分; 以及设置在固定件200的内周部上并沿着转子200的轴向移动密封翅片7的进给机构8.版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2010151675A Steam turbine test facility, low load test method, and load cutoff test method 有权
标题翻译：蒸汽涡轮机测试设备，低负载测试方法和负载切割测试方法
公开(公告)号：JP2010151675A
公开(公告)日：2010-07-08
申请号：JP2008331247
申请日：2008-12-25
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAKAMURA KENJU , KUDO TAKESHI , SHIBASHITA NAOAKI
IPC分类号： G01M99/00 , F01D25/00
CPC分类号： G01M15/14
摘要： PROBLEM TO BE SOLVED: To provide a steam turbine test facility including a steam turbine for a test simulating faithfully a behavior of an actual steam turbine, and improving efficiency of a performance test. SOLUTION: In this steam turbine test equipment 1, a motor generator 4 is connected to the steam turbine 2 for the test for simulating a behavior of an actual machine of the steam turbine 11 included in a steam turbine plant 10. A control device 5 included in the motor generator 4 controls the motor generator 4 so as to change rotational speed of the steam turbine 2 for the test following a speed change pattern settable optionally. The speed change pattern is set so that a change following time elapse of rotational speed of the steam turbine 11 having a cut-off load is simulated by the steam turbine 2 for the test in the load cutoff state. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种蒸汽轮机测试设备，其包括用于真实地模拟实际蒸汽轮机的行为的测试的蒸汽涡轮机，并且提高性能测试的效率。解决方案：在该蒸汽轮机测试设备1中，电动发电机4连接到汽轮机2用于模拟包括在汽轮机设备10中的汽轮机11的实际机器的行为的测试。控制包括在电动发电机4中的装置5控制电动发电机4，以便根据可任意设定的变速模式改变用于测试的汽轮机2的转速。设定速度变化模式，使得具有截止负荷的蒸汽涡轮机11的转速随时间的变化由用于负荷切断状态的试验的蒸汽轮机2进行模拟。版权所有（C）2010，JPO＆INPIT

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