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1. 发明专利

HK1130878A1 COMBUSTING APPARATUS, REMODELING METHOD FOR COMBUSTING APPARATUS, AND FUEL INJECTION METHOD FOR COMBUSTING APPARATUS 未知
公开(公告)号：HK1130878A1
公开(公告)日：2010-01-08
申请号：HK09108871
申请日：2009-09-25
申请人： HITACHI LTD KABUSHIKIGAISHA HITACHI SEISAKUSHO
发明人： HIRATA YOSHITAKA , YOSHIDA SHOHEI , SEKIGUCHI TATSUYA , INOUE HIROSHI
IPC分类号： F23R20060101
摘要： The present invention improves the reliability of a combusting system including multiple combustors 3a, 3b and improves an environmental performance thereof. The invention includes a device that delays the start time of fuel injection from a fuel nozzle 10 of a combustor including a ignitor 9 from the start time of fuel injection from a fuel nozzle 10 of the combustor not including the ignitor 9.

2. 发明专利

CA2693042C BURNER, COMBUSTOR AND REMODELING METHOD FOR BURNER 未知
公开(公告)号：CA2693042C
公开(公告)日：2012-08-28
申请号：CA2693042
申请日：2010-02-10
申请人： HITACHI LTD
发明人： HAYASHI DAISUKE , YOSHIDA SHOHEI
IPC分类号： F23R3/10 , F23R3/28
摘要： A combustor with a burner adapted to maintain combustion stability while suppressing a quantitative increase of fueling nozzles due to enlarging, and a remodeling method for the burner. A burner includes: an air hole member with a plurality of air holes, each of which is provided at an upstream side of combustion gases generated by a combustion chamber; a first fueling nozzle for jetting a fuel in a direction crossing a central axis of the burner towards at least two air holes; a plurality of second fueling nozzles each provided for one of the remaining air holes and formed for jetting the fuel in a direction routed along the burner axis towards the corresponding air hole; a fuel header for distributing the fuel to the first fueling nozzle and each of the second fueling nozzles; and a fuel header storage unit that shrouds the fuel header, the first fueling nozzle, and second fueling nozzle, and having an air inflow hole.

3. 发明专利

CA2693042A1 BURNER, COMBUSTOR AND REMODELING METHOD FOR BURNER 未知
公开(公告)号：CA2693042A1
公开(公告)日：2010-09-26
申请号：CA2693042
申请日：2010-02-10
申请人： HITACHI LTD
发明人： HAYASHI DAISUKE , YOSHIDA SHOHEI
IPC分类号： F23R3/10 , F23R3/28
摘要： Disclosed herein is a combustor with a burner adapted to maintain combustion stability while suppressing a quantitative increase of fueling nozzles due to enlarging, and a remodeling method for the burner. A burner includes: an air hole member 31 with a plurality of air holes 34 and 35, each of which is provided at an upstream side of combustion gases generated by a combustion chamber 1; a first fueling nozzle 33 for jetting a fuel in a direction crossing a central axis of the burner towards at least two air holes 35; a plurality of second fueling nozzles 32 each provided for one of the remaining air holes 34 and formed for jetting the fuel in a direction routed along the burner axis towards the corresponding air hole 34; a fuel header 30 for distributing the fuel to the first fueling nozzle 33 and each of the second fueling nozzles 32; and a fuel header storage unit 70 that shrouds the fuel header 30, the first fueling nozzle 33, and second fueling nozzle 32, and having an air inflow hole 71.

4. 发明专利

JP2014020769A Gas turbine combustor 有权
标题翻译：气体涡轮搅拌机
公开(公告)号：JP2014020769A
公开(公告)日：2014-02-03
申请号：JP2012163216
申请日：2012-07-24
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KOIZUMI HIROMI , YOSHIDA SHOHEI , SASAO TOSHIBUMI , HAYASHI AKINORI
IPC分类号： F23R3/28 , F23R3/12 , F23R3/36
摘要： PROBLEM TO BE SOLVED: To provide a gas turbine combustor capable of stably burning low-BTU gases containing a large amount of COsuch as blast furnace gases.SOLUTION: A double-swirling burner includes an inner swirler in which gas injection holes and air injection holes are alternately arranged, and an outer swirler in which only gas injection holes are arranged. The burner has a basic configuration in which a plurality of gas passages through which fuel gases are injected at different velocities are provided in the gas fuel injection holes for swirling gas fuel in the inner swirler. A gas injection hole of the inner swirler is divided into two passages, a first gas passage and a second gas passage. The inlet area of the first gas passage provided radially inward is larger than the outlet area thereof. The first gas passage is inclined to inject gas fuel toward the center of the burner. Such burner arrangement allows blast furnace gases containing a large amount of COto be stably burned.
摘要翻译：要解决的问题：提供一种能够稳定地燃烧含有大量CO 2的低BTU气体的燃气轮机燃烧器，例如高炉煤气。解决方案：双回旋燃烧器包括内旋流器，其中气体喷射孔和空气喷射孔交替布置的外部旋流器，其中仅设置气体喷射孔。燃烧器具有基本构造，其中在内旋流器中的用于涡流气体燃料的气体燃料喷射孔中设置有以不同速度喷射燃料气体的多个气体通道。内旋流器的气体注入孔被分成两个通道，第一气体通道和第二气体通道。径向向内设置的第一气体通道的入口面积大于其出口面积。第一气体通道倾向于朝向燃烧器的中心喷射气体燃料。这种燃烧装置允许含有大量CO 2的高炉气体被稳定地燃烧。

5. 发明专利

JP2013170776A Gas turbine combustor 有权
标题翻译：气体涡轮搅拌机
公开(公告)号：JP2013170776A
公开(公告)日：2013-09-02
申请号：JP2012035786
申请日：2012-02-22
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： AKIYAMA KYOTA , MOMO SATOSHI , ASAI TOMOHIRO , YOSHIDA SHOHEI
IPC分类号： F23R3/16 , F02C7/22 , F23R3/12 , F23R3/28 , F23R3/34
摘要： PROBLEM TO BE SOLVED: To provide a gas turbine combustor that suppresses generation of combustion oscillation to improve reliability.SOLUTION: A gas turbine combustor includes a combustion chamber into which fuel and air are supplied, an air hole plate located on an upstream side wall surface of the combustion chamber with a plurality of air holes formed in concentric circular rows, and fuel nozzles disposed at an upstream side of each air hole of the air hole plate. In at least one row of the air holes formed in the concentric circular rows on the air hole plate, distances between leading ends of the fuel nozzles and a combustion chamber side surface of the air hole plate are different in a circumferential direction.
摘要翻译：要解决的问题：提供一种抑制燃烧振荡的产生以提高可靠性的燃气轮机燃烧器。解决方案：燃气轮机燃烧器包括燃料和空气供应的燃烧室，位于上游侧壁表面上的气孔板具有形成为同心圆列的多个气孔，以及设置在气孔板的每个气孔的上游侧的燃料喷嘴。在气孔板上形成于同心圆列的至少一排气孔中，燃料喷嘴的前端与气孔板的燃烧室侧面之间的距离在圆周方向上不同。

6. 发明专利

JP2013029231A Combustor, burner, and gas turbine 有权
标题翻译：燃烧器，燃烧器和燃气轮机
公开(公告)号：JP2013029231A
公开(公告)日：2013-02-07
申请号：JP2011164312
申请日：2011-07-27
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KOIZUMI HIROMI , YOSHIDA SHOHEI , MOMO SATOSHI
IPC分类号： F23R3/06 , F23R3/12 , F23R3/28
CPC分类号： F23R3/28 , F23R3/10 , F23R3/343 , F23R2900/00002 , F23R2900/00004
摘要： PROBLEM TO BE SOLVED: To secure combustion stability even with a low calorie gas without combustion gas back-flow prevention equipment in operation by using pilot fuel.SOLUTION: This combustor comprise: a turning plate 316 which is arranged at the upstream side of a combustion chamber 12 and has a plurality of nozzle holes 331, 332 and a plurality of air holes; a base plate 315 arranged at the upstream side of the turning plate 316; and a plurality of gas nozzles 320 which are inserted into the nozzle holes 331, 332, respectively. Tips of the gas nozzles 320 are located in the nozzle holes 331, 332, the nozzle holes 331, 332 are smaller in diameter that gas injection holes of the gas nozzles 320, and there is formed a passage 358 for forming an air passage is formed at the external periphery of tips of the injection holes 357 opposing the side of the combustion chamber 12 and tips of the gas nozzles 320. The base plate 315 forms an air chamber 400 in which the air passage 358 an the air holes are connected to each other between the turning plate 316 and itself.
摘要翻译：要解决的问题：即使在没有燃烧气体回流防止设备的低热量气体的情况下通过使用引燃燃料来操作，也能确保燃烧稳定性。解决方案：该燃烧器包括：转向板316，其设置在燃烧室12的上游侧，并具有多个喷嘴孔331,332和多个气孔; 布置在转板316的上游侧的基板315; 以及分别插入喷嘴孔331,332中的多个气体喷嘴320。气体喷嘴320的尖端位于喷嘴孔331,332中，喷嘴孔331,332的直径较小，形成气体喷嘴320的气体喷射孔，并且形成用于形成空气通道的通道358 在喷射孔357的与燃烧室12的侧面和气体喷嘴320的顶端相对的顶端的外周处形成空气室400，空气通道358中的空气孔连接到气室另一个在转板316和其自身之间。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2012057478A Device and method for control of gas turbine combustor 有权
标题翻译：用于控制气体涡轮机的装置和方法
公开(公告)号：JP2012057478A
公开(公告)日：2012-03-22
申请号：JP2010198518
申请日：2010-09-06
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： SEKIGUCHI TATSUYA , YOSHIDA SHOHEI , HIRATA YOSHITAKA , HAYASHI AKINORI , SAITO MARE , TAKAHASHI KAZUO , SAITO TAKEO
IPC分类号： F02C9/28 , F02C3/10 , F02C9/00 , F02C9/18 , F02C9/52 , F23R3/34
CPC分类号： F02C9/263 , F02C9/28 , F02C9/46 , F05D2270/091
摘要： PROBLEM TO BE SOLVED: To provide a gas turbine combustor capable of securing combustion stability immediately after the load is shut off in a gas turbine and reducing an NOx discharging amount by unloaded rated speed operation after shutting off the load.SOLUTION: The control device of the gas turbine combustor includes a diffusion combusting burner and a premixing combusting burner. The device includes: a rotation frequency detector for detecting the rotation frequency of the gas turbine; a recorder for recording the detected value of the rotation frequency of the gas turbine detected by the rotation frequency detector; a calculation unit for calculating the temporal change of the rotation frequency of the gas turbine from the history of the detected value of the rotation frequency of the gas turbine recorded in the recorder; and a fuel control unit controlling fuel flow rate for diffusion combusting burner supplied to the diffusion combusting burner arranged in the gas turbine combustor and fuel flow rate for premixing combustion supplied to the premixing combusting burner arranged in the gas turbine combustor, respectively, by determining the condition where the rotation frequency of the gas turbine is lowered based on the temporal change of the rotation frequency of the gas turbine calculated by the calculation unit.
摘要翻译：解决的问题：提供一种燃气轮机燃烧器，其能够在燃气轮机中的负载切断后立即确保燃烧稳定性，并且在关闭负载后通过无负载的额定速度运转来减少NOx排出量。解决方案：燃气轮机燃烧器的控制装置包括扩散燃烧燃烧器和预混合燃烧器。该装置包括：用于检测燃气轮机的旋转频率的旋转频率检测器; 用于记录由旋转频率检测器检测的燃气轮机的旋转频率的检测值的记录器; 计算单元，用于根据记录在记录器中的燃气轮机的旋转频率的检测值的历史计算燃气轮机的旋转频率的时间变化; 以及燃料控制单元，其分别控制供给到设置在所述燃气轮机燃烧器中的扩散燃烧用燃烧器的扩散燃烧用燃烧器的燃料流量和供给到配置在所述燃气轮机燃烧器中的所述预混合燃烧器的预混合燃料的燃料流量，基于由计算单元计算的燃气轮机的旋转频率的时间变化，使燃气轮机的旋转频率降低的状态。版权所有（C）2012，JPO＆INPIT

8. 发明专利

JP2012037104A Gas turbine combustor 审中-公开
标题翻译：气体涡轮搅拌机
公开(公告)号：JP2012037104A
公开(公告)日：2012-02-23
申请号：JP2010175985
申请日：2010-08-05
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ASAI TOMOHIRO , KOIZUMI HIROMI , MOMO SATOSHI , TAKAHASHI HIROKAZU , YOSHIDA SHOHEI
IPC分类号： F23R3/28 , F02C7/22 , F23R3/12 , F23R3/18 , F23R3/34
摘要： PROBLEM TO BE SOLVED: To provide a gas turbine combustor suppressing pressure fluctuation due to fluctuation of a flame position formed in a combustion chamber, reducing an emission amount of NOx, and improving reliability of the gas turbine combustor.SOLUTION: The gas turbine combustor includes: a plurality of fuel nozzles disposed at a head of the gas turbine combustor and injecting fuel to a combustion chamber on a downstream side; a plurality of air holes respectively disposed approximately coaxially with the plurality of fuel nozzles on a downstream side of the fuel nozzles, to introduce air to the combustion chamber; and an air hole plate having air holes formed therein and disposed between the fuel nozzles and the combustion chamber. The gas turbine combustor is provided with: a center burner positioned at the axial center of the gas turbine combustor; and a plurality of outer peripheral burners positioned on an outer periphery side of the center burner; wherein each burner is composed of a plurality of fuel nozzles and a plurality of air holes. On the surface of the air hole plate on a combustion chamber side, projections are formed enclosing the center burner and the plurality of outer peripheral burners adjacent to the center burner.
摘要翻译：解决的问题：提供一种燃气轮机燃烧器，其抑制由燃烧室内形成的火焰位置的波动引起的压力波动，减少NOx的排出量，提高燃气轮机燃烧器的可靠性。燃气轮机燃烧器包括：多个燃料喷嘴，其设置在燃气轮机燃烧器的头部并将燃料喷射到下游侧的燃烧室; 在所述燃料喷嘴的下游侧与所述多个燃料喷嘴大致同轴配置的多个空气孔，将空气引入所述燃烧室; 以及设置在燃料喷嘴和燃烧室之间的具有空气孔的气孔板。燃气轮机燃烧器设置有：位于燃气轮机燃烧器的轴心处的中心燃烧器; 以及位于所述中心燃烧器的外周侧的多个外周燃烧器; 其中每个燃烧器由多个燃料喷嘴和多个气孔构成。在燃烧室侧的气孔板的表面上形成有围绕中心燃烧器和与中心燃烧器相邻的多个外周燃烧器的突起。版权所有（C）2012，JPO＆INPIT

9. 发明专利

JP2012031730A LOW-NOx COMBUSTION METHOD FOR GAS TURBINE COMBUSTOR 审中-公开
标题翻译：用于气体涡轮机的低NOx燃烧方法
公开(公告)号：JP2012031730A
公开(公告)日：2012-02-16
申请号：JP2010169141
申请日：2010-07-28
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： KOIZUMI HIROMI , MOMO SATOSHI , TAKAHASHI HIROKAZU , ASAI TOMOHIRO , YOSHIDA SHOHEI
IPC分类号： F02C9/40 , F02C3/28 , F02C6/00 , F23C99/00 , F23R3/10 , F23R3/28 , F23R3/34
CPC分类号： Y02E20/18
摘要： PROBLEM TO BE SOLVED: To provide a low-NOx combustion method for a gas turbine combustor, capable of suppressing the NOx exhaust amount, even when combusting fuel having a high hydrogen content, and can perform stable combustion.SOLUTION: In the low-NOx combustion method for a gas turbine combustor, inner circumferential fuel for strengthening flame-stabilization of a main burner of a gas turbine combustor is supplied to an inner circumferential side coaxial jet burner part located at an inner circumferential side of the main burner through an inner circumferential fuel system and burned. Outer circumferential fuel for the low-NOx combustion of the main burner is supplied to an outer circumferential side coaxial jet burner part located at an outer circumferential side of the main burner through an outer circumferential fuel system and burned. When the fuel having a high hydrogen content in burned, the supply of the inner circumferential fuel supplied to the inner circumferential side coaxial jet burner part of the main burner is interrupted, and the combustion by the outer circumferential fuel supplied to the outer circumferential side coaxial jet burner part of the main burner is continued to perform the low-NOx combustion operation.
摘要翻译：解决的问题：为了提供能够抑制NOx排出量的燃气轮机燃烧器的低NOx燃烧方法，即使在燃烧具有高氢含量的燃料时，也能够进行稳定的燃烧。解决方案：在用于燃气轮机燃烧器的低NOx燃烧方法中，用于加强燃气轮机燃烧器的主燃烧器的火焰稳定化的内周燃料被供应到位于内部的内周侧同轴喷射燃烧器部件主燃烧器的圆周侧通过内周燃料系统燃烧。用于主燃烧器的低NOx燃烧的外周燃料通过外周燃料系统供给到位于主燃烧器的外周侧的外周侧同轴喷射燃烧器部件并燃烧。当燃烧的氢含量高的燃料时，供给到主燃烧器的内周侧同轴喷射燃烧器部分的内周燃料的供给被中断，并且外周燃料供给到外周侧的燃烧被同轴主燃烧器的喷气燃烧器部分继续执行低NOx燃烧操作。版权所有（C）2012，JPO＆INPIT

10. 发明专利

JP2011112286A Gas turbine combustor 审中-公开
标题翻译：气体涡轮搅拌机
公开(公告)号：JP2011112286A
公开(公告)日：2011-06-09
申请号：JP2009269542
申请日：2009-11-27
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ASAI TOMOHIRO , MOMO SATOSHI , YOSHIDA SHOHEI , KOIZUMI HIROMI , TAKAHASHI HIROKAZU
IPC分类号： F23R3/14 , F02C7/22 , F23R3/20 , F23R3/28
摘要： PROBLEM TO BE SOLVED: To provide a gas turbine combustor improving reliability of the gas turbine combustor by suppressing pressure fluctuation caused by fluctuation of a flame position. SOLUTION: In the gas turbine combustor, a burner is constituted by a plurality of fuel nozzles and an air hole plate with a plurality of air holes installed between the fuel nozzles and a combustion chamber. A plurality of air hole groups comprising the plurality of air holes formed on the air hole plate are arranged in line on a pitch circle so that central positions of the respective air hole groups on the pitch circle are different from each other. The plurality of air holes constituting the air hole group are formed so that the central axis of each of the air holes is inclined to the circumferential direction of the pitch circle. Distances between the air holes in the air hole groups formed on the air hole plate are set so that distances between the air holes on the air hole plate surface on the combustion chamber side are smaller than distances between the air holes on the air hole plate surface on the fuel nozzle side. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：解决的问题：提供一种通过抑制由火焰位置的波动引起的压力波动来提高燃气轮机燃烧器的可靠性的燃气轮机燃烧器。解决方案：在燃气轮机燃烧器中，燃烧器由多个燃料喷嘴和气孔板构成，多个气孔安装在燃料喷嘴和燃烧室之间。包括形成在通气孔板上的多个气孔的多个气孔组在节圆上成直线排列，使得节圆上的各气孔组的中心位置彼此不同。构成气孔组的多个空气孔形成为使得各气孔的中心轴线相对于节圆的圆周方向倾斜。设置在气孔板上形成的空气孔组中的气孔之间的距离，使得燃烧室侧的气孔板表面上的气孔之间的距离小于气孔板表面上的气孔之间的距离在燃油喷嘴侧。版权所有（C）2011，JPO＆INPIT

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