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1. 发明专利

JP2012067764A Two-shaft gas turbine 有权
标题翻译：双轴瓦斯涡轮
公开(公告)号：JP2012067764A
公开(公告)日：2012-04-05
申请号：JP2012002394
申请日：2012-01-10
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KAWAI AKIRA , MURATA EITARO , SAITO TAKEO , KIZUKA YOSHIAKI , NANATAKI KENJI
IPC分类号： F02C9/54 , F02C3/10 , F02C7/042 , F02C9/34
摘要： PROBLEM TO BE SOLVED: To provide a two-shaft gas turbine capable of starting a premixed combustion without the occurrence of a problem such as accident fire.SOLUTION: A two-shaft gas turbine 1, including a compressor 7 provided with IGV 11, a combustor 8 configured to include a diffusion pilot burner and a plurality of premixed burners, and a high-pressure turbine 9 which is connected to the compressor 7 via a gas generator shaft 18, includes a control device 10 configured to include a fuel control unit 10a that calculates fuel flow rates to the combustor 8 on the basis of a size of load and an atmospheric temperature and controls a fuel control valve 14, and an IGV opening degree control unit 10b that calculates an air flow rate to the combustor 8 to control the IGV 11, on the basis of the size of load, the atmospheric temperature and a rotational speed of the gas generator shaft 18, and a switching control unit 10c that calculates a fuel-to-air ratio on the basis of the fuel flow rate and air flow rate to the combustor 8, and switches premixed fuel systems that supply fuel to the premixed burners, according to the fuel-to-air ratio.
摘要翻译：要解决的问题：提供一种能够启动预混燃烧而不发生诸如事故火灾的问题的双轴燃气轮机。解决方案：包括设置有IGV 11的压缩机7，配置成包括扩散引燃燃烧器和多个预混燃烧器的燃烧器8的双轴燃气轮机1和连接到经由气体发生器轴18的压缩机7包括控制装置10，该控制装置10被配置为包括燃料控制单元10a，燃料控制单元10a基于负载大小和大气温度计算到燃烧器8的燃料流量，并且控制燃料控制阀 14，IGV开度控制部10b，根据负荷大小，气氛温度和气体发生器轴18的转速，计算出燃烧器8的空气流量，以控制IGV11，以及开关控制单元10c，其基于燃料流量和到燃烧器8的空气流量来计算燃料空气比，并且根据燃料将燃料供给到预混燃烧器的预混合燃料系统切换到空气比。版权所有（C）2012，JPO＆INPIT

2. 发明专利

JP2011208505A Compressor 有权
标题翻译：压缩机
公开(公告)号：JP2011208505A
公开(公告)日：2011-10-20
申请号：JP2010074061
申请日：2010-03-29
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SANO ATSUSHI , KUROKI HIDETOSHI , TSUKIDATE HIRONORI , MURATA EITARO , KIZUKA YOSHIAKI
IPC分类号： F04D29/54
CPC分类号： F04D29/542 , F01D9/042 , F01D11/001 , F01D25/246 , F04D29/023 , F05D2230/14 , Y02T50/673
摘要： PROBLEM TO BE SOLVED: To provide a compressor which provides a damping effect by a simple structure and which is increased in aerodynamic performance.SOLUTION: This compressor includes a stationary blade 4 circumferentially installed on the inner peripheral surface side of a casing 6 in which an annular flow passage is formed and an inner barrel 7 which is supported by the casing and disposed radially inward of the stationary blade as a partition wall on the inner diameter side of the annular flow passage. The stationary blade includes an outer shroud 10 mounted on the inner peripheral surface of the casing at a position where the outer shroud faces the inner barrel and an inner shroud 11 which supports a blade part on the inner diameter side. The inner peripheral shroud is disposed in an annular groove formed in the outer peripheral surface of the inner barrel facing the inner peripheral shroud. The stationary blade formed of the outer shroud 10, the inner shroud 11, and the blade part 9 is formed by cutting integrally.
摘要翻译：要解决的问题：提供一种通过简单结构提供阻尼效果并且增加空气动力性能的压缩机。解决方案：该压缩机包括周向安装在壳体6的内周表面侧上的固定叶片4，其中形成环形流路，内筒7由壳体支撑并且设置在固定叶片的径向内侧，作为环状流路的内径侧的分隔壁。固定叶片包括：外护罩10，其在外护罩面向内筒的位置处安装在壳体的内周面上;内护罩11，其在内径侧支撑刀片部。内周罩设置在形成在内筒的面向内周罩的外周面的环状槽中。由外护罩10，内护罩11和刀片部9形成的固定刀片通过一体地切割而形成。

3. 发明专利

JP2012002228A Member including cooling passage therein 有权
标题翻译：会员包括冷却通道
公开(公告)号：JP2012002228A
公开(公告)日：2012-01-05
申请号：JP2011186723
申请日：2011-08-30
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： HORIUCHI YASUHIRO , KIZUKA YOSHIAKI , MARUSHIMA SHINYA
IPC分类号： F01D5/18 , F01D9/02 , F02C7/18
摘要： PROBLEM TO BE SOLVED: To provide a member including a cooling passage therein and enabling efficient cooling by reducing a peeling circulation region.SOLUTION: Inside the member including the cooling passage therein, the cooling passage having a wall face 23 on which cooling ribs 31a, 31b are arranged is provided, and cooling is performed by making a cooling medium flow along the wall face 23. The cooling ribs 31a, 31b are arranged so that part of the cooling medium made to flow in a portion 51 in the vicinity of the center of the wall face 23 of the cooling passage is made to flow to sides of both lateral ends 6b, 6c of the wall face 23, and are installed so that part 58 of the cooling medium made to flow on the surfaces of the cooling ribs 31a, 31b is made to move along the surfaces of the cooling ribs 31a, 31b and flow to the wall face 23.
摘要翻译：要解决的问题：提供一种其中包括冷却通道的构件，通过减少剥离循环区域能够有效地进行冷却。解决方案：设置有包括冷却通道的构件，冷却通道具有布置有冷却肋31a，31b的壁面23，并且通过使冷却介质沿着壁面23流动来进行冷却。冷却肋31a，31b被布置成使得在冷却通道的壁面23的中心附近的部分51中流动的部分冷却介质流到两个侧端6b，6c的侧面并且被安装成使得在冷却肋31a，31b的表面上流动的冷却介质的部分58被制成沿着冷却肋31a，31b的表面移动并流动到壁面 23.版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2011241839A Stationary blade for gas turbine, and gas turbine 审中-公开
标题翻译：燃气轮机和气体涡轮机静叶片
公开(公告)号：JP2011241839A
公开(公告)日：2011-12-01
申请号：JP2011193447
申请日：2011-09-06
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KIZUKA YOSHIAKI , HORIUCHI YASUHIRO , KUROKI HIDETOSHI
IPC分类号： F01D9/02 , F02C7/18
摘要： PROBLEM TO BE SOLVED: To provide a stationary blade of a gas turbine cooling the stationary blade with high efficiency by suppressing generation of thermal stress accompanying cooling.SOLUTION: In the stationary blade of the gas turbine including a blade profile part and end walls respectively provided on an outer circumferential side and inner peripheral side of the blade profile part to form gas passages, an engaging part having a projecting part engaging with a casing member is provided on a non-gas passage side to be rear surfaces of the end walls facing the gas passages, a plurality of penetration passages for impingement cooling respectively opening on the non-gas passage sides of the end walls are disposed in the projecting part of the engaging part and a cooling medium is made to flow down through the penetration passages to perform impingement cooling of the end walls.
摘要翻译：要解决的问题：提供一种燃气轮机的固定叶片，通过抑制伴随冷却的热应力的产生，以高效率冷却固定叶片。解决方案：在燃气涡轮机的固定叶片中，包括分别设置在叶片轮廓部分的外周侧和内周侧上的叶片轮廓部分和端壁，以形成气体通道，接合部分具有突出部分接合在非气体通路侧设置壳体构件，作为面向气体通路的端壁的后表面，分别在端壁的非气体通路侧开口的冲击冷却用贯通通道设置在使接合部分的突出部分和冷却介质向下流过穿透通道，以进行端壁的冲击冷却。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2010168957A Two-shaft gas turbine and method for starting premixed combustion in combustor for two-shaft gas turbine 审中-公开
标题翻译：双轴气体涡轮机和用于启动双轴气涡轮机的燃烧器中的预燃烧的方法
公开(公告)号：JP2010168957A
公开(公告)日：2010-08-05
申请号：JP2009011052
申请日：2009-01-21
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KAWAI AKIRA , MURATA EITARO , SAITO TAKEO , KIZUKA YOSHIAKI , NANATAKI KENJI
IPC分类号： F02C7/26 , F02C3/10 , F02C7/228 , F02C9/26 , F23R3/00 , F23R3/20 , F23R3/30 , F23R3/34
CPC分类号： F23R3/34 , F02C7/26 , F02C9/34 , F23N5/184 , F23N2037/02 , F23N2037/04 , F23N2041/20
摘要： PROBLEM TO BE SOLVED: To provide a two-shaft gas turbine capable of starting premixed combustion without causing a problem such as misfire and a method for starting premixed combustion in a combustor.
SOLUTION: The two-shaft gas turbine includes a combustor which has a premix burner 82 including combustion regions 82f
1 - 82f
4 in which premixed combustion can be started individually and a gas generator controller which controls the combustor 8. In the method for starting the premixed combustion in the combustor, the gas generator controller 10 selects the combustion regions 82f
1 -82f
4 of a premixed combustion burner 82 in which the premixed combustion is to be carried out, on the basis of a fuel-air ratio at start of premixed combustion in the combustor 8, and starts premixed combustion in every selected combustion region 82f
1 -82f
4 . Further, as the fuel-air ratio is increased, the controller increases the number of the selected regions 82f
1 -82f
4 in which the premixed combustion is started.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够启动预混合燃烧而不引起诸如失火等问题的双轴燃气轮机，以及在燃烧器中起始预混合燃烧的方法。解决方案：双轴燃气轮机包括具有包括燃烧区域82f的预混合燃烧器82的燃烧器，其中可以单独开始预混合燃烧以及控制燃烧器8的气体发生器控制器。在燃烧器中开始预混合燃烧的方法中，气体发生器控制器10选择燃烧区域82f -82f 4 中开始预混合燃烧， 1 -82f 4 。此外，随着燃料空气比的增加，控制器增加了开始预混合燃烧的选择区域82f -82f 4 的数量。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2009250120A Part corrosion estimating method for gas turbine, part service life estimating method, designing method of gas turbine and gas turbine 有权
标题翻译：气体涡轮机部件腐蚀估算方法，零件维修寿命估算方法，气体涡轮机和气体涡轮机的设计方法
公开(公告)号：JP2009250120A
公开(公告)日：2009-10-29
申请号：JP2008099265
申请日：2008-04-07
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TAMAOKI HIDEKI , KIZUKA YOSHIAKI , MURATA EITARO , KAMOSHIDA HIROKI , ARIKAWA HIDEYUKI
IPC分类号： F02C7/00 , F01D5/28 , F01D25/00 , F02C9/00
摘要： PROBLEM TO BE SOLVED: To establish a part corrosion estimating method for a gas turbine, a part service life estimating method and an anticorrosion designing method, the gas turbine using fuel including a corrosive component, such as oil fuel.
SOLUTION: An impurity included in an introducing substance such as suction air, fuel, combustor spray water or steam introduced into the gas turbine is analyzed, and a thermodynamic calculation is made with combustion gas provided by burning the introducing substance as a function of the temperature and pressure based on this analytical result. While predicting a temperature-pressure area 3 at which the corrosive component generated by combustion exists in a liquid phase, a working temperature-pressure distribution of respective members of the gas turbine is calculated, and a corrosion degree of the gas turbine respective members is estimated by collating these values.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了建立燃气轮机的部件腐蚀估算方法，部件使用寿命估计方法和防腐蚀设计方法，使用包括诸如油燃料等腐蚀性成分的燃料的燃气轮机。解决方案：分析引入到燃气轮机中的引入物质如吸入空气，燃料，燃烧器喷射水或蒸气中的杂质，并且通过将引入物质燃烧提供的燃烧气体作为功能进行热力学计算的温度和压力基于该分析结果。在预测在燃烧时产生的腐蚀成分存在于液相中的温度 - 压力区域3时，计算出燃气轮机各部件的工作温度 - 压力分布，并且估计各个部件的燃气轮机的腐蚀程度通过整理这些值。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2012002229A Member including cooling passage therein 有权
标题翻译：会员包括冷却通道
公开(公告)号：JP2012002229A
公开(公告)日：2012-01-05
申请号：JP2011188158
申请日：2011-08-31
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： HORIUCHI YASUHIRO , KIZUKA YOSHIAKI , MARUSHIMA SHINYA , KUROKI HIDETOSHI
IPC分类号： F01D5/18 , F01D9/02 , F02C7/18
CPC分类号： F01D5/187 , F05D2260/22141
摘要： PROBLEM TO BE SOLVED: To provide a member improving heat transfer performance by reducing a circulation region on the downstream side of a rib.SOLUTION: The member having a cooling passage 7c formed therein and having opposed partition walls 6b, 6c between which cooling air is made to flow to cool a base material includes: a first heat transfer promoting rib 25a inclined to the downstream direction of a medium while extending from a portion in the vicinity of the middle between the opposed partition walls 6b, 6c to one partition wall 6c side; and a second heat transfer promoting rib 25b inclined to the downstream direction of the cooling air while extending from a portion in the vicinity of the middle between the opposed partition walls 6b, 6c to the other partition wall 6b side. Slits 70a, 70b penetrating through the upstream side and the downstream side of the cooling passage 7c are formed in the first heat transfer promoting rib 25a and the second heat transfer promoting rib 25b, respectively.
摘要翻译：要解决的问题：通过减少肋的下游侧的循环区域来提供提高传热性能的构件。解决方案：在其中形成有冷却通道7c并且具有相对的分隔壁6b，6c的构件，冷却空气在其之间流动以冷却基材包括：向下游方向倾斜的第一传热促进肋25a 介质，同时从相对的分隔壁6b，6c之间的中部附近的一部分延伸到一个分隔壁6c侧; 以及从相对的分隔壁6b，6c之间的中部附近的一部分延伸到另一分隔壁6b侧的同时从冷却空气的下游方向倾斜的第二传热促进肋25b。穿过冷却通道7c的上游侧和下游侧的狭缝70a，70b分别形成在第一传热促进肋25a和第二传热促进肋25b中。版权所有（C）2012，JPO＆INPIT

8. 发明专利

JP2010019173A Turbine facility 审中-公开
标题翻译：涡轮机设施
公开(公告)号：JP2010019173A
公开(公告)日：2010-01-28
申请号：JP2008180565
申请日：2008-07-10
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TSUKIDATE HIRONORI , KUROKI HIDETOSHI , MURATA EITARO , KIZUKA YOSHIAKI
IPC分类号： F01D21/00 , F01D21/02
摘要： PROBLEM TO BE SOLVED: To provide a turbine facility with a brake device on a rotating shaft connecting a load to a turbine, enabling braking of the rotating shaft during low-speed rotation while preventing the over rotation of the rotating shaft in a high-speed rotated condition. SOLUTION: The turbine power generation facility 1 includes the brake device 5 for applying braking force to the rotating shaft 7 connecting a generator 3 to the turbine 2. A brake control device 6 has an over rotation prevention braking control part 17, and an over rotation determining part 19 for determining the condition of generating the over rotation of the rotating shaft. When the over rotation determining part determines the over rotation generating condition, the over rotation prevention braking control part performs braking control. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了使涡轮机设备在连接负载到涡轮机的旋转轴上具有制动装置，能够在低速旋转期间制动转轴，同时防止旋转轴过度旋转高速旋转状态。解决方案：涡轮发电设备1包括用于向连接发电机3到涡轮机2的旋转轴7施加制动力的制动装置5.制动控制装置6具有防转动制动控制部分17，并且用于确定产生旋转轴的过度旋转的状态的过度旋转确定部19。当过转判定部确定过转生成条件时，过转防止制动控制部进行制动控制。版权所有（C）2010，JPO＆INPIT

9. 发明专利

JP2009209772A Two-shaft gas turbine 有权
标题翻译：双轴瓦斯涡轮
公开(公告)号：JP2009209772A
公开(公告)日：2009-09-17
申请号：JP2008053461
申请日：2008-03-04
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NANATAKI KENJI , MURATA EITARO , KIZUKA YOSHIAKI
IPC分类号： F02C3/10 , F01D11/02 , F01D25/00 , F02C7/28
CPC分类号： F01D5/082 , F01D9/065 , F01D11/001 , F05D2220/321
摘要： PROBLEM TO BE SOLVED: To suppress temperature rise of a wheel space between a high-pressure turbine and a low-pressure turbine. SOLUTION: The two-shaft gas turbine includes: a cooling air introduction path for leading cooling air from outside of a casing 17 to the wheel space via a low-pressure turbine initial stage stator blade 5 and via a diaphragm 11; an upstream side space seal portion 41 for restricting and dividing an upstream side space into an outer circumferential portion 25 and an inner circumferential portion 27 and to blow out the cooling air led from the cooling air introduction path to the upstream side space outer circumferential portion 27 into the upstream side space outer circumferential portion 25 to form a radially outward flow of air in the upstream side space outer circumferential portion 25; and a downstream side space seal portion 42 for restricting and dividing a downstream side space into an outer circumferential portion 26 and an inner circumferential portion 28 and to blow out cooling air led from the cooling air introduction path to the downstream side space inner circumferential portion 28 into the downstream side space outer circumferential portion 26 to form a radially outward flow of air in the downstream side space outer circumferential portion 26. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：为了抑制高压涡轮机和低压涡轮机之间的车轮空间的温度上升。解决方案：双轴燃气轮机包括：冷却空气引入路径，用于经由低压涡轮机初级定子叶片5经由隔膜11将冷却空气从壳体17的外部引导到车轮空间; 上游侧空间密封部41，用于将上游侧空间限制分割成外周部25和内周部27，并且将从冷气导入路导入的冷却空气吹出到上游侧空间外周部27 进入上游侧空间外周部25，在上游侧空间外周部25形成径向向外的空气流; 以及下游侧空间密封部42，用于将下游侧空间限制分割成外周部26和内周部28，并且将从冷气导入路引导到下游侧空间内周部28的冷却风吹出进入下游侧空间外周部26，在下游侧空间外周部26形成径向向外的空气流。（C）2009，JPO＆INPIT

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