专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明专利

JP2013104372A Two-shaft gas turbine 有权
标题翻译：双轴瓦斯涡轮
公开(公告)号：JP2013104372A
公开(公告)日：2013-05-30
申请号：JP2011249552
申请日：2011-11-15
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NANATAKI KENJI , MURATA EITARO , KUROKI HIDETOSHI
IPC分类号： F02C3/10 , F01D17/00 , F01D17/06 , F01D17/20 , F01K9/00 , F02C6/00 , F02C7/18 , F02C9/18 , F02C9/20
CPC分类号： F02C9/00 , F01D15/10 , F01K23/14 , F02C3/10 , F02C9/18 , F02C9/20 , F05D2270/02 , F05D2270/304
摘要： PROBLEM TO BE SOLVED: To commonly use a two-shaft gas turbine for power generation of both 60 Hz and 50 Hz without using a decelerator.SOLUTION: A gas generator 21 includes a compressor 11 for generating compressed air, a combustor 12 for generating a combustion gas by mixing and combusting the compressed air from the compressor and fuel, and a high pressure turbine 13 for generating a drive force of the compressor by being rotary-driven by the combustion gas from the combustor. An output turbine 22 has a low pressure turbine 14 driven by an exhaust gas from the high pressure turbine, and a generator 15 driven by the low pressure turbine. A control device 30 reduces the power of the compressor 11 by narrowing an IGV opening of the compressor, and the generator 15 increases the speed of the gas generator 21 in a No-Load Rated-Speed (FSNL) operating state.
摘要翻译：要解决的问题：在不使用减速器的情况下，通常使用双轴燃气轮机来发电60 Hz和50 Hz。解决方案：气体发生器21包括用于产生压缩空气的压缩机11，用于通过混合和燃烧来自压缩机和燃料的压缩空气产生燃烧气体的燃烧器12和用于产生驱动力的高压涡轮机13 的压缩机由来自燃烧器的燃烧气体旋转驱动。输出涡轮22具有由来自高压涡轮机的废气驱动的低压涡轮机14和由低压涡轮机驱动的发电机15。控制装置30通过使压缩机的IGV开度变窄来降低压缩机11的功率，发电机15在无负载额定转速（FSNL）运转状态下使气体发生器21的转速上升。版权所有（C）2013，JPO＆INPIT

2. 发明专利

JP2011038478A Control device and control method of gas turbine engine 审中-公开
标题翻译：燃气轮机发动机控制装置及控制方法
公开(公告)号：JP2011038478A
公开(公告)日：2011-02-24
申请号：JP2009186966
申请日：2009-08-12
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TAKAHASHI KAZUO , NAGABUCHI NAOYUKI , NANATAKI KENJI , SAITO NOZOMI
IPC分类号： F02C9/28 , F01D15/10 , F02C9/00 , F02C9/48
摘要： PROBLEM TO BE SOLVED: To improve output command follow-up performance of a gas turbine engine.
SOLUTION: This control device of the gas turbine engine has a compressor for compressing air, a combustor for mixedly burning compressed air compressed by the compressor and fuel and a turbine driven by combustion gas generated by the combustor, and has the predicting function of predicting deviation from a specified valve range of gas turbine engine output and the function (a correction indicator 119) of outputting a correction indicating signal 125 when the predicting function detects the possibility of the deviation from the specified value range.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提高燃气轮机的输出指令跟踪性能。解决方案：燃气涡轮发动机的该控制装置具有压缩空气的压缩机，由压缩机和燃料压缩的压缩空气混合燃烧的燃烧器和由燃烧器产生的燃烧气体驱动的涡轮机，具有预测功能预测燃气涡轮发动机输出的指定阀范围的偏差和当预测功能检测到偏离指定值范围的可能性时输出校正指示信号125的功能（校正指示器119）。版权所有（C）2011，JPO＆INPIT

3. 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

4. 发明专利

JP2008082302A Gas turbine, and combustor start control method of gas turbine 有权
标题翻译：燃气涡轮机，燃气轮机起动控制方法
公开(公告)号：JP2008082302A
公开(公告)日：2008-04-10
申请号：JP2006265953
申请日：2006-09-28
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NANATAKI KENJI , SASAO TOSHIBUMI
IPC分类号： F02C7/26 , F01D25/00 , F02C7/232 , F02C9/00 , F02C9/32
摘要： PROBLEM TO BE SOLVED: To provide a gas turbine smoothly ignitable regardless of atmospheric temperature; and a combustor start control method of a gas turbine.
SOLUTION: This gas turbine is provided with: an air compressor 10 compressing sucked air; a fuel supply source 40 supplying fuel; a combustor 20 having a gas compressor 3 increasing the pressure of the fuel from the fuel supply source 40, a pressure control valve 1 controlling the pressure of the fuel from the gas compressor, flow control valves 2a-2e controlling a fuel flow rate on the downstream side of the pressure control valve, and fuel nozzles 5a-5d injecting the fuel, and burning the fuel from the fuel nozzles 5a-5e with the compressed air from the air compressor 10; a turbine 30 providing rotary power by the combustion gas from the combustor 20; and a control device 50 keeping the opening of the pressure control valve 1 in igniting the combustor 20 constant by a set value changing in response to the atmospheric temperature.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：无论大气温度如何，都能平稳地点燃燃气轮机; 以及燃气轮机的燃烧器起动控制方法。解决方案：该燃气轮机设有：压缩吸入空气的空气压缩机10; 供给燃料的燃料供给源40; 具有增加来自燃料供给源40的燃料的压力的气体压缩机3的燃烧器20，控制来自气体压缩机的燃料的压力的压力控制阀1，控制来自燃料供给源40的燃料流量的流量控制阀2a〜压力控制阀的下游侧和喷射燃料的燃料喷嘴5a-5d，并且用来自空气压缩机10的压缩空气从燃料喷嘴5a-5e燃烧燃料; 通过来自燃烧器20的燃烧气体提供旋转动力的涡轮机30; 以及控制装置50，其保持压力控制阀1的打开，使得燃烧器20点燃响应于大气温度而变化的设定值。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2013249755A Advanced humid air turbine 审中-公开
标题翻译：高级湿度空气涡轮机
公开(公告)号：JP2013249755A
公开(公告)日：2013-12-12
申请号：JP2012123884
申请日：2012-05-31
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： TAKAHASHI KAZUO , KOYAMA KAZUHITO , KATAGIRI YUKINORI , NANATAKI KENJI , NAITO KEITA
IPC分类号： F02C3/30 , F02C7/08 , F02C7/224 , F02C7/228 , F02C9/40 , F23R3/28
摘要： PROBLEM TO BE SOLVED: To stabilize a combustion mode switching control of an advanced humid air turbine to improve gas turbine operating performance.SOLUTION: A fuel temperature adjusting device and a combustion mode switching control device are provided. The combustion mode switching control device outputs a fuel heating instruction to the fuel temperature adjusting device when a combustion mode switching function of which the argument is a gas turbine operational status is close to a switching threshold. When the combustion mode switching function is away from the switching threshold, output of the fuel heating instruction is halted.
摘要翻译：要解决的问题：稳定先进的湿空气涡轮机的燃烧模式切换控制，提高燃气轮机的运行性能。解决方案：提供燃料温度调节装置和燃烧模式切换控制装置。当燃烧模式切换控制装置在燃气模式切换功能（燃气轮机操作状态为燃烧模式切换功能）接近切换阈值时，向燃料温度调节装置输出燃料加热指令。当燃烧模式切换功能远离切换阈值时，燃料加热指令的输出停止。

6. 发明专利

JP2012041919A Method and device for control of combustor 有权
标题翻译：用于控制燃烧器的方法和装置
公开(公告)号：JP2012041919A
公开(公告)日：2012-03-01
申请号：JP2011143161
申请日：2011-06-28
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SAITO MARE , SAITO TAKEO , NANATAKI KENJI
IPC分类号： F02C9/54 , F02C9/00
CPC分类号： F02C9/28 , F02C3/10 , F02C9/20 , F02C9/263 , F02C9/34 , F02C9/54 , F05D2220/76 , F05D2240/35 , F05D2260/99 , F05D2270/304 , F05D2270/313
摘要： PROBLEM TO BE SOLVED: To provide a method and device for control of a combustor, capable of precisely calculating a combustion air amount and a fuel flowing rate without carrying out complex calculation, and capable of calculating out a fuel/air ratio needed for stable combustion control in a biaxial gas turbine.SOLUTION: The biaxial gas turbine 100 includes the gas generator turbine 110 and the power turbine 120. The combustor has a dispersion distribution combustion device and a plurality of premixing combustion device. The ignition/extinction operation unit 220 of the controller 200 of the combustor calculates out combustion air quantity fed to the combustor according to the entrance guide vane opening of the compressor attached to the gas generator turbine, the rotation frequency of the gas generator turbine, and an atmospheric temperature, calculates the fuel flow rate fed to the combustor based on the rotation frequency of the power turbine, and calculates a fuel/air ratio as a fuel control instruction in real time from the calculated combustion air quantity and the fuel flow rate.
摘要翻译：要解决的问题：提供一种能够精确计算燃烧空气量和燃料流量的燃烧器的控制方法和装置，而不进行复杂的计算，并且能够计算所需的燃料/空气比用于双轴燃气轮机中的稳定燃烧控制。解决方案：双轴燃气轮机100包括气体发生器涡轮机110和动力涡轮机120.燃烧器具有分散分配燃烧装置和多个预混合燃烧装置。燃烧器控制器200的点火/消光操作单元220根据安装在气体发生器涡轮机上的压缩机的入口导向叶片开口，气体发生器涡轮机的旋转频率，以及大气温度根据动力涡轮机的旋转频率计算供给到燃烧器的燃料流量，根据计算出的燃烧空气量和燃料流量，实时计算作为燃料控制指令的燃料/空气比。版权所有（C）2012，JPO＆INPIT

7. 发明专利

JP2011038531A Dual axis gas turbine, control device and control method therefor 有权
标题翻译：双轴气体涡轮机，控制装置及其控制方法
公开(公告)号：JP2011038531A
公开(公告)日：2011-02-24
申请号：JP2010260288
申请日：2010-11-22
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NANATAKI KENJI , SAITO MARE , MURATA EITARO
IPC分类号： F02C9/20 , F02C3/10 , F02C9/00 , F04D27/00 , F04D27/02
摘要： PROBLEM TO BE SOLVED: To effectively solve the resonance problem caused by frequency change of a gas generator shaft in a dual axis gas turbine. SOLUTION: The dual axis gas turbine comprises a gas generator including a compressor 7 provided with an inlet guide vane 11 on the air intake side, a combustor 8 for producing a combustion gas by mixing and burning a fuel with compressed air from the compressor, and a high pressure turbine 9 driven and rotated with the combustion gas from the combustor for generating a driving force of the compressor. A controlling means for the inlet guide vane has a first control mode for adjusting the opening degree of the inlet guide vane based on a modified rotational frequency of the gas generator shaft according to the atmospheric temperature at low speed rotation of a gas generator shaft, and a second control mode for adjusting the opening degree of the inlet guide vane for constantly maintaining the actual rotational frequency of the gas generator shaft at high speed rotation of the gas generator shaft. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：有效地解决双轴燃气轮机中的气体发生器轴的频率变化引起的共振问题。解决方案：双轴燃气轮机包括气体发生器，该气体发生器包括在进气侧设置有入口导向叶片11的压缩机7，用于通过将燃料与来自所述压缩空气的压缩空气混合并燃烧而产生燃烧气体的燃烧器8 压缩机以及来自燃烧器的燃烧气体驱动和旋转的高压汽轮机9，以产生压缩机的驱动力。用于入口导叶的控制装置具有第一控制模式，用于根据气体发生器轴的低速旋转时的大气温度，基于气体发生器轴的改变的转速来调节入口导叶的开度;以及用于调节入口导向叶片的开度的第二控制模式，用于在气体发生器轴的高速旋转中恒定地保持气体发生器轴的实际旋转频率。版权所有（C）2011，JPO＆INPIT

8. 发明专利

JP2014141910A Gas turbine 有权
标题翻译：燃气轮机
公开(公告)号：JP2014141910A
公开(公告)日：2014-08-07
申请号：JP2013010031
申请日：2013-01-23
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： MAEKAWA HAYATO , NANATAKI KENJI
IPC分类号： F01D11/02 , F02C7/28 , F16J15/447
CPC分类号： F01D11/122 , F01D11/001 , F05D2220/3212 , F05D2300/61
摘要： PROBLEM TO BE SOLVED: To provide a gas turbine with a seal device capable of improving sealing performance even in a high temperature portion upstream of a turbine.SOLUTION: A gas turbine comprises: a disc wheel 4a forming a rotor 5; a moving blade 2a formed by a shank 7a and a moving blade profile part 22a mounted on an outer periphery of the disc wheel 4a; a stationary blade 1a formed by a stationary blade profile part 12 and an inner periphery end wall 14a provided on an inner peripheral side of the stationary blade profile part; and a seal fin 8a provided on the shank 7a of the moving blade opposite an inside diameter face of the inner periphery end wall 14a of the stationary blade. An abradable coating 28a is applied to a portion on the inside diameter face of the inner periphery end wall 14a of the stationary blade that faces the seal fin 8a.
摘要翻译：要解决的问题：为了提供一种具有即使在涡轮机上游的高温部分也能够提高密封性能的密封装置的燃气轮机。解决方案：燃气轮机包括：形成转子5的盘轮4a; 一个由柄7a和安装在盘轮4a的外周上的动叶片轮廓部分22a形成的动叶片2a; 固定叶片1a由固定叶片轮廓部分12和设置在固定叶片轮廓部分的内周侧的内周端壁14a形成; 以及设置在动叶片的柄部7a上的密封翅片8a，与固定叶片的内周端壁14a的内径面相对。将可磨损涂层28a施加到固定刀片的面向密封翅片8a的内周端壁14a的内径面上的部分。

9. 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

10. 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

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式