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1. 发明专利

JP2014163367A Rotor blade row of axial-flow turbine, and axial-flow turbine 有权
标题翻译：轴流涡轮转子叶片和轴流涡轮
公开(公告)号：JP2014163367A
公开(公告)日：2014-09-08
申请号：JP2013038123
申请日：2013-02-28
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： FUKUSHIMA HISATAKA , SHIBATA TAKANORI , SEGAWA KIYOSHI , KIMURA SEIICHI , RI HIROMOTO
IPC分类号： F01D5/14
摘要： PROBLEM TO BE SOLVED: To provide a rotor blade row of an axial-flow turbine capable of reducing blade profile loss by matching a geometric blade inlet angle and a working fluid inflow angle while taking change in a radial direction, of an inflow angle near an end wall portion, into consideration, and simultaneously reducing secondary flow loss by reducing interference of secondary flow and a blade negative pressure face generated between blades, in the axial-flow turbine.SOLUTION: A rotor blade row of an axial-flow turbine composed of a plurality of turbine rotor blades annularly arranged, has an auxiliary blade 3 disposed on at least one of an inner peripheral-side wall surface or an outer peripheral-side wall surface in a turbine radial direction of a flow channel formed between blades of the rotor blade row, having a blade inlet angle smaller than a blade inlet angle of the turbine rotor blade, having a blade outlet angle smaller than a blade outlet angle of the turbine rotor blade, and further having a blade front edge positioned at an upstream side in a working fluid flowing direction with respect to a blade front edge of the turbine rotor blade.
摘要翻译：要解决的问题：提供一种轴流涡轮机的转子叶片排，其能够通过使几何叶片入口角度和工作流体流入角度在径向方向上变化而减小叶片轮廓损失，考虑到端壁部分，同时通过减小在轴流涡轮机中产生的二次流和叶片之间产生的叶片负压面的干扰而同时减少二次流动损失。解决方案：轴流涡轮机的转子叶片排由环形排列的多个涡轮转子叶片具有辅助叶片3，其设置在形成于转子叶片之间的流路的涡轮径向的内周侧壁面或外周侧壁面中的至少一个上叶片排具有小于涡轮机转子叶片的叶片入口角的叶片入口角度，叶片出口角度小于涡轮转子叶片的叶片出口角度，并且还具有相对于所述涡轮机转子叶片的叶片前缘在工作流体流动方向上位于上游侧的叶片前缘。

2. 发明专利

JP2014084816A Axial flow turbine 有权
标题翻译：轴流涡轮
公开(公告)号：JP2014084816A
公开(公告)日：2014-05-12
申请号：JP2012235388
申请日：2012-10-25
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SHIBATA TAKANORI , NISHIJIMA NORIYO , SEGAWA KIYOSHI , FUKUSHIMA HISATAKA , RI HIROMOTO
IPC分类号： F01D5/20 , F01D11/08 , F01D25/00 , F02C7/28 , F16J15/447
CPC分类号： F01D11/08 , F01D5/225 , F01D9/041 , F05D2220/31 , F05D2240/11 , F05D2240/12 , F05D2240/30
摘要： PROBLEM TO BE SOLVED: To provide an axial flow turbine capable of improving mixing loss reduction effect.SOLUTION: An axial flow turbine includes: a plurality of stationary vanes 2 disposed at an inner peripheral side of a diaphragm outer ring 1; a plurality of rotor vanes 5 disposed at an outer peripheral side of a rotor 4; a shroud 6 disposed at an outer peripheral side of the plurality of rotor vanes 5; an annular groove portion 12 formed on the diaphragm outer ring 1 and accommodating the shroud 6; a clearance flow path 13 formed between the groove portion 12 of the diaphragm outer ring 1 and the shroud 6 to allow a part of a working fluid to flow therein from a downstream side of the stationary vanes 2 of a main path 7, and flow out to a downstream side of the rotor vanes 5 of the main path 7; seal fins 14A-14D disposed in the clearance flow path 13; a circulation flow generation chamber 17 formed at a downstream side of the clearance flow path 13; and a plurality of shielding plates 18 fixed to the diaphragm outer ring 1 to be positioned in the circulation flow generation chamber 17, and extended in an axial direction and a radial direction of the rotor.
摘要翻译：要解决的问题：提供一种能够提高混合损失降低效果的轴流涡轮机。解决方案：轴流涡轮机包括：设置在隔膜外圈1的内周侧的多个静止叶片2; 设置在转子4的外周侧的多个转子叶片5; 设置在多个转子叶片5的外周侧的护罩6; 形成在隔膜外圈1上并容纳护罩6的环形槽部12; 形成在隔膜外圈1的槽部12和护罩6之间的间隙流路13，以使工作流体的一部分从主路径7的静止叶片2的下游侧流入，并流出到主路径7的转子叶片5的下游侧; 设置在间隙流路13中的密封翅片14A〜14D; 形成在间隙流路13的下游侧的循环流产生室17; 以及多个屏蔽板18，其固定在隔膜外圈1上，以定位在循环流产生室17中，并沿着转子的轴向和径向方向延伸。

3. 发明专利

JP2012172588A Turbine stationary blade and steam turbine equipment using the same 有权
标题翻译：涡轮机静叶片和蒸汽涡轮机设备使用相同
公开(公告)号：JP2012172588A
公开(公告)日：2012-09-10
申请号：JP2011035305
申请日：2011-02-22
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SHIBATA TAKANORI , SEGAWA KIYOSHI , KISHIBE TADAHARU , KIMURA SEIICHI , RI HIROMOTO
IPC分类号： F01D9/02
CPC分类号： F01D5/141 , F01D9/041 , F05D2220/31 , F05D2240/12 , F05D2240/122
摘要： PROBLEM TO BE SOLVED: To provide a highly efficient and inexpensive turbine stationary blade, that reduces the number of blades in an axial-flow turbine, while reducing secondary-flow loss.SOLUTION: In the turbine stationary blade, when a differential pressure between a face side and a back side of the blade at the same axial chord position is defined as a blade load and a ratio between the axial distance xp of a maximum load position 32, where the blade load becomes maximum, from a leading edge 8 of the blade and the axial chord length Cx is defined as a maximum load relative position, the axial chord lengths Cx of a blade root portion and a blade tip portion are longer than the axial chord length Cx of a blade intermediate height, and the maximum load relative positions of the blade root portion and the blade tip portion are set closer to the blade trailing edge side than the maximum load relative position of a blade intermediate portion.
摘要翻译：要解决的问题：为了提供高效且廉价的涡轮固定叶片，其减少了轴流涡轮机中的叶片数量，同时减少了二次流动损失。解决方案：在涡轮固定叶片中，当在相同的轴向弦位置处的叶片的面侧和后侧之间的压差被定义为叶片载荷和最大载荷的轴向距离xp之间的比率刀片负载变得最大的位置32，并且轴向弦长Cx被定义为最大负载相对位置，叶片根部和叶片尖端部分的轴向弦长Cx较长比叶片中间高度的轴向弦长Cx和叶片根部部分和叶片前端部分的最大负载相对位置设置为比叶片中间部分的最大载荷相对位置更靠近叶片后缘侧。版权所有（C）2012，JPO＆INPIT

4. 发明专利

JP2010196473A Electric power plant water supply device, and method for controlling the same 有权
标题翻译：电力设备供水装置及其控制方法
公开(公告)号：JP2010196473A
公开(公告)日：2010-09-09
申请号：JP2009038764
申请日：2009-02-23
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YASHIKI TATSURO , KATAGIRI YUKINORI , SHIBATA TAKANORI
IPC分类号： F01K9/00 , F01K7/38 , F01K7/44
摘要： PROBLEM TO BE SOLVED: To provide a water supply device and a method for controlling the same, safely operating a plant even during an emergency such as a plant trip and load cutoff while improving the thermal efficiency and power generation efficiency of the whole electric power plant because in the past, when a compressor is provided to improve efficiency, a load condition for plant operation and the operation of the water supply device are excluded from consideration.
SOLUTION: This electric power plant water supply device includes: a steam turbine driven by using steam; a water supply heater heating water supply with exhaust steam from the steam turbine condensed by a condenser; a steam compressor compressing and heating extracted steam or exhaust steam from the steam turbine and supplying it to the water supply heater; a compressor motor driving the steam compressor; a blow pipe for delivering saturated steam inside of the water supply heater to the condenser; and a pressure regulating valve for regulating a saturated steam flow in the blow pipe.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了提供一种供水装置及其控制方法，即使在诸如工厂跳闸和负载切断之类的紧急情况下也能安全地操作设备，同时提高整体的热效率和发电效率因为在过去，当设置压缩机以提高效率时，不考虑工厂操作的负载条件和供水装置的操作。解决方案：该电厂供水装置包括：使用蒸汽驱动的蒸汽轮机; 供水加热器加热供水，其中蒸汽轮机由冷凝器冷凝的排气蒸汽; 蒸汽压缩机将来自蒸汽轮机的蒸汽或排出的蒸气压缩并加热并将其供给到供水加热器; 驱动该蒸汽压缩机的压缩机马达; 用于将供水加热器内的饱和蒸汽输送到冷凝器的吹管; 以及用于调节吹管中的饱和蒸汽流的压力调节阀。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2010174755A Power plant 有权
标题翻译：发电厂
公开(公告)号：JP2010174755A
公开(公告)日：2010-08-12
申请号：JP2009018876
申请日：2009-01-30
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： HATAMIYA SHIGEO , NANBA KOJI , TAKAHASHI FUMIO , NISHIDA KOJI , NAKANO SUSUMU , SHIBATA TAKANORI
IPC分类号： F01K9/00 , F01K7/38 , F01K7/44 , F22D1/32 , F25B11/00
CPC分类号： F01K7/38 , F01K7/44 , F22D1/32
摘要： PROBLEM TO BE SOLVED: To provide a power plant capable of improving the thermal efficiency of a plant when output is improved. SOLUTION: A boiling water type nuclear power plant supplies steam from an atomic reactor to a high pressure turbine and a low pressure turbine. Water created through the condensation of steam in a condenser is heated by a low pressure and a high pressure water supply heater and is supplied to the atomic reactor. Steam discharged from the low pressure turbine is compressed by a steam compression device (heat pump) 27, is supplied to a low pressure water supply heater, and heats supplied water. Bleed steam from the low pressure turbine is supplied to the low pressure water supply heater. The steam compression device 27 is connected to a position where a main steam system exists and to the water supply heater so as to satisfy COP-1/η>0, when the necessary power of the steam compression device 27 is defined as Q1, thermal energy supplied from the steam compression device 27 is defines as Q3, the coefficient of performance of the steam compression device 27 is defined as COP(=Q3/Q1), and the thermal efficiency of the boiling water type nuclear power plant is defined as η. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够在提高输出时能够提高设备的热效率的发电厂。解决方案：沸水型核电厂从原子反应堆向高压涡轮机和低压涡轮机提供蒸汽。通过冷凝器中的蒸汽冷凝产生的水由低压和高压供水加热器加热并供应到原子反应器。从低压涡轮机排出的蒸汽被蒸汽压缩装置（热泵）27压缩，供给低压供水加热器，并加热供水。来自低压涡轮机的排出的蒸汽被供应到低压供水加热器。当蒸汽压缩装置27的必要功率定义为Q1时，蒸汽压缩装置27连接到存在主蒸汽系统的位置和供水加热器以满足COP-1 /η> 0，热将从蒸汽压缩装置27供给的能量定义为Q3，将蒸汽压缩装置27的性能系数定义为COP（= Q3 / Q1），将沸水型核电站的热效率定义为η 。版权所有（C）2010，JPO＆INPIT

6. 发明专利

JP2010156204A Radial flow fluid machine 有权
标题翻译：径流式流化床
公开(公告)号：JP2010156204A
公开(公告)日：2010-07-15
申请号：JP2008333294
申请日：2008-12-26
申请人： Hitachi Engineering & Services Co Ltd , Hitachi Ltd , 株式会社日立エンジニアリング・アンド・サービス , 株式会社日立製作所
发明人： NAKANO SUSUMU , NODA MASAMI , SHIBATA TAKANORI
IPC分类号： F01D11/04 , F01D1/06 , F01D15/08 , F04D29/10 , F16J15/447
摘要： PROBLEM TO BE SOLVED: To provide a radial flow fluid machine suppressing performance deterioration caused by seal steam.
SOLUTION: This radial flow fluid machine includes: a turbine wheel 2; a rotating shaft 5 connected to the turbine wheel 2; a bearing 6 supporting the rotating shaft 5; a main flow passage 36 for arranging a rotor blade 35 on the turbine wheel 2 and allowing steam to flow; a labyrinth seal 31 provided on the periphery of the rotating shaft 5; and a working fluid supply flow passage 41 connected to the main flow passage 36 in a portion with the radial outer end 17 of the turbine wheel 2 positioned and leading working fluid to the labyrinth seal 31. The end of the working fluid supply flow passage 41 on the side of the labyrinth seal 31 is opened between the teeth of the labyrinth seal 31.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种抑制由密封蒸汽引起的性能恶化的径流式流体机械。解决方案：该径向流体流体机械包括：涡轮机叶轮2; 连接到涡轮机叶轮2的旋转轴5; 支承旋转轴5的轴承6; 用于将转子叶片35布置在涡轮机叶轮2上并允许蒸汽流动的主流路36; 设置在旋转轴5的周围的迷宫式密封件31; 以及连接到主流路36的工作流体供给流路41，其中涡轮2的径向外端17定位并将工作流体引导到迷宫式密封件31.工作流体供给流路41的端部在迷宫式密封件31的一侧，在迷宫式密封件31的齿之间打开。版权所有（C）2010，JPO＆INPIT

7. 发明专利

JP2009103421A Heat pump system 审中-公开
标题翻译：热泵系统
公开(公告)号：JP2009103421A
公开(公告)日：2009-05-14
申请号：JP2007278284
申请日：2007-10-26
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： YOSHIDA TAKUYA , NISHIGUCHI AKIRA , YASHIKI TATSURO , SHIBATA TAKANORI
IPC分类号： F25B19/00 , F22B3/00
摘要： PROBLEM TO BE SOLVED: To provide a heat pump system capable of stably supplying steam of a desired pressure to a demand side by control corresponding to change of a production amount of steam due to temperature fluctuation of a heat source.
SOLUTION: The heat pump system includes an evaporator 1 vaporizing water by heat from the heat source and producing steam, a compressor 2 compressing the steam produced by the evaporator 1, and a pipe 3 supplying the steam compressed by the compressor 2 to a steam utilizing facility. The system includes a flow rate measuring means 13 for measuring a steam flow rate flowing into the compressor 2, and a controller 14 including the measured steam flow rate into an input signal and including a rotational frequency command value of the compressor into an output signal.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供一种热泵系统，其能够根据由于热源的温度波动引起的蒸汽产生量的变化的控制，向需求侧稳定地供给所需压力的蒸汽。解决方案：热泵系统包括蒸发器1，通过来自热源的热量蒸发水，产生蒸汽，压缩机2压缩由蒸发器1产生的蒸汽;以及管3，其将由压缩机2压缩的蒸汽供给到蒸汽利用设施。该系统包括用于测量流入压缩机2的蒸汽流量的流量测量装置13和包括测量的蒸汽流量输入到输入信号中并将压缩机的转速指令值包括在输出信号中的控制器14。版权所有（C）2009，JPO＆INPIT

8. 发明专利

JP2008190335A Method of remodelling gas turbine system 有权
标题翻译：重新设计气体涡轮机系统的方法
公开(公告)号：JP2008190335A
公开(公告)日：2008-08-21
申请号：JP2007022543
申请日：2007-02-01
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： MEIREN CHIHIRO , SHIBATA TAKANORI
IPC分类号： F04D29/32 , F02C3/30 , F02C7/00 , F02C7/143 , F04D29/54
摘要： PROBLEM TO BE SOLVED: To provide a method of remodeling a gas turbine system, to which a WAC (Water Atomization Cooling) technique is applied while suppressing deterioration of durability based on a gas turbine system with no water spray into a mainstream in a compressor supposed.
SOLUTION: In this method of remodeling the gas turbine system provided with the compressor compressing air, a combustor for mixing air compressed in the compressor and fuel and burning the mixture, and a turbine driven by combustion gas generated in the combustor, a humidifying cooler for humidifying and cooling the air is additionally provided on the side of the inlet of the compressor, and the compressor is remodeled to suppress a change in incidence due to humidification of the humidifying cooler.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种改造燃气轮机系统的方法，其中应用WAC（水雾化冷却）技术，同时基于不喷水的燃气轮机系统抑制耐久性劣化成为主流一个压缩机。解决方案：在这种重新设计具有压缩空气的压缩机的燃气轮机系统的方法中，将用于混合压缩在压缩机中的空气和燃料混合并燃烧混合物的燃烧器以及由燃烧器中产生的燃烧气体驱动的涡轮，另外在压缩机的入口侧设置用于加湿和冷却空气的加湿冷却器，并且改造压缩机以抑制由于加湿冷却器的加湿引起的入射变化。版权所有（C）2008，JPO＆INPIT

9. 发明专利

JP2008002413A Cooling device, gas turbine system using cooling device, heat pump system using cooling mechanism, cooling method, and cooling device operating method 有权
标题翻译：冷却装置，使用冷却装置的气体涡轮机系统，使用冷却机构的热泵系统，冷却方法和冷却装置操作方法
公开(公告)号：JP2008002413A
公开(公告)日：2008-01-10
申请号：JP2006174723
申请日：2006-06-26
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ARAKI HIDEFUMI , SHIBATA TAKANORI , HATAMIYA SHIGEO , TSUKAMOTO MORIAKI
IPC分类号： F04D29/58 , F04D19/02 , F25B1/00 , F25B1/10
CPC分类号： F02C7/1435 , F04D29/5846
摘要： PROBLEM TO BE SOLVED: To provide an intercooler having a structure capable of cooling gas to be cooled to saturation temperature without controlling water filling quantity, inhibiting drop of reliability of a compressor and improving efficiency.
SOLUTION: The inter cooler is a cooling device 36 installed between stages of gas compressors 10a, 10b composed of a plurality of compression stages and cooling gas to be compressed by the compressor, is constructed to cool the gas to be compressed by sprinkling liquid of desired quantity or more, and includes a means inhibiting liquid from flowing into the compression stages.
COPYRIGHT: (C)2008,JPO&INPIT

10. 发明专利

JP2007247585A High moisture content air using gas turbine and high moisture content air using gas turbine cogeneration system 审中-公开
标题翻译：使用气体涡轮机的高水分含量空气和使用气体涡轮增殖系统的高水分含量空气
公开(公告)号：JP2007247585A
公开(公告)日：2007-09-27
申请号：JP2006074201
申请日：2006-03-17
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： HATAMIYA SHIGEO , SHIBATA TAKANORI , CHINO KOICHI , FUKUSHIMA TOSHIHIKO
IPC分类号： F02C3/30 , F01D25/30 , F01D25/32 , F02C6/18 , F02G5/04 , F23R3/00
CPC分类号： Y02E20/14 , Y02T10/166
摘要： PROBLEM TO BE SOLVED: To provide a compactly constituted high moisture content air using gas turbine and a high moisture content air using gas turbine cogeneration system, having high power generation efficiency or overall efficiency, and easily making cold heat of the low temperature.
SOLUTION: This high moisture content air using gas turbine has a pressure reducing means arranged in a cooling water flow passage supplying cooling water to a water recovery device in the high moisture content air using gas turbine, the water recovery device having an evaporator evaporating low pressure steam reduced in pressure by the pressure reducing means by heat exchange with exhaust gas, and a steam compressor for increasing pressure and raising the temperature by compressing the steam evaporated by the evaporator of the water recovery device, and is constituted so as to humidify combustion air by supplying the steam increased in pressure and raised in the temperature by the steam compressor to a humidifier being a condenser.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了使用燃气轮机和使用燃气轮机热电联产系统的高含水量空气提供紧凑构成的高含水量空气，具有高发电效率或总体效率，并且容易地使低温的冷热。解决方案：这种高含水量的空气使用燃气轮机具有减压装置，该减压装置布置在冷却水流通道中，该冷却水流通道使用燃气轮机向高含水量空气中的水回收装置供应冷却水，所述水回收装置具有蒸发器通过与废气进行热交换，通过减压装置蒸发压力降低的蒸汽;以及蒸汽压缩机，用于通过压缩由水回收装置的蒸发器蒸发的蒸汽来增加压力并提高温度，并且构成为通过将压力增加的蒸汽供给到蒸汽压缩机的温度升高到作为冷凝器的加湿器来加湿燃烧空气。版权所有（C）2007，JPO＆INPIT

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