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公开(公告)号：US08607572B2
公开(公告)日：2013-12-17
申请号：US12857265
申请日：2010-08-16
申请人： Hiromi Koizumi , Satoshi Dodo , Hirokazu Takahashi , Tomohiro Asai , Tomomi Koganezawa , Shohei Yoshida
发明人： Hiromi Koizumi , Satoshi Dodo , Hirokazu Takahashi , Tomohiro Asai , Tomomi Koganezawa , Shohei Yoshida
CPC分类号： F23R3/346 , F23C2900/9901 , Y02E20/18
摘要： An object of the present invention is to provide a gas turbine combustor that supports hydrogen-containing gas having a high burning velocity and is capable of performing low NOx combustion without reducing reliability of a burner. A first fuel nozzle is provided upstream of a combustion chamber and supplies fuel for activation and hydrogen-containing gas. The combustor has a primary combustion zone, a reduction zone and a secondary combustion zone. In the primary combustion zone, the fuel supplied from the first fuel nozzle is combusted under a fuel rich condition to form a burned gas containing a low concentration of oxygen. In the reduction zone, a hydrogen-containing gas is injected into the combustion chamber through a second fuel injection hole from a second fuel nozzle so that NOx generated in the primary combustion zone is reduced by an oxygen reaction of the hydrogen. In the secondary combustion zone, air for lean combustion is supplied into the combustion chamber so that unburned part of fuel is combusted under a fuel lean condition.
摘要翻译： 本发明的目的是提供一种燃气轮机燃烧器，其支撑具有高燃烧速度的含氢气体并且能够进行低NOx燃烧而不降低燃烧器的可靠性。 第一燃料喷嘴设置在燃烧室的上游，并供应用于活化的燃料和含氢气体。 燃烧器具有主燃烧区，还原区和二次燃烧区。 在主燃烧区域中，从第一燃料喷嘴供给的燃料在富燃状态下燃烧，形成含有低浓度氧气的燃烧气体。 在还原区中，通过来自第二燃料喷嘴的第二燃料喷射孔将含氢气体注入燃烧室，使得在一次燃烧区中产生的NOx通过氢的氧反应而被还原。 在二次燃烧区域，用于稀薄燃烧的空气被供应到燃烧室中，使得燃料的未燃烧部分在燃料稀薄状态下燃烧。
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公开(公告)号：US20110094239A1
公开(公告)日：2011-04-28
申请号：US12857265
申请日：2010-08-16
申请人： Hiromi KOIZUMI , Satoshi Dodo , Hirokazu Takahashi , Tomohiro Asai , Tomomi Koganezawa , Shohei Yoshida
发明人： Hiromi KOIZUMI , Satoshi Dodo , Hirokazu Takahashi , Tomohiro Asai , Tomomi Koganezawa , Shohei Yoshida
IPC分类号： F02C7/22
CPC分类号： F23R3/346 , F23C2900/9901 , Y02E20/18
摘要： An object of the present invention is to provide a gas turbine combustor that supports hydrogen-containing gas having a high burning velocity and is capable of performing low NOx combustion without reducing reliability of a burner. A first fuel nozzle is provided upstream of a combustion chamber and supplies fuel for activation and hydrogen-containing gas. The combustor has a primary combustion zone, a reduction zone and a secondary combustion zone. In the primary combustion zone, the fuel supplied from the first fuel nozzle is combusted under a fuel rich condition to form a burned gas containing a low concentration of oxygen. In the reduction zone, a hydrogen-containing gas is injected into the combustion chamber through a second fuel injection hole from a second fuel nozzle so that NOx generated in the primary combustion zone is reduced by an oxygen reaction of the hydrogen. In the secondary combustion zone, air for lean combustion is supplied into the combustion chamber so that unburned part of fuel is combusted under a fuel lean condition.
摘要翻译： 本发明的目的是提供一种燃气轮机燃烧器，其支撑具有高燃烧速度的含氢气体并且能够进行低NOx燃烧而不降低燃烧器的可靠性。 第一燃料喷嘴设置在燃烧室的上游，并供应用于活化的燃料和含氢气体。 燃烧器具有主燃烧区，还原区和二次燃烧区。 在主燃烧区域中，从第一燃料喷嘴供给的燃料在富燃状态下燃烧，形成含有低浓度氧气的燃烧气体。 在还原区中，通过来自第二燃料喷嘴的第二燃料喷射孔将含氢气体注入燃烧室，使得在一次燃烧区中产生的NOx通过氢的氧反应而被还原。 在二次燃烧区域，用于稀薄燃烧的空气被供应到燃烧室中，使得燃料的未燃烧部分在燃料稀薄状态下燃烧。
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公开(公告)号：US20100050648A1
公开(公告)日：2010-03-04
申请号：US12538646
申请日：2009-08-10
IPC分类号： F02C7/22
摘要： An object of this invention is to accelerate further mixing of a fuel and air independently of a flow rate of the fuel.A gas turbine combustor comprises: a fuel nozzle for blowing out a gas fuel; an air nozzle plate with an air nozzle for jetting out the fuel and air into a combustion chamber after the blowout of the fuel from the fuel nozzle; and an obstacle formed inside the air nozzle; wherein the obstacle causes a collision of the fuel jet blown out from the fuel nozzle, and hence causes turbulence in an airflow streaming into the air nozzle.According to the invention, mixing between the fuel and the air can be further accelerated independently of the flow rate of the fuel.
摘要翻译： 本发明的一个目的是加速燃料和空气的进一步混合，而与燃料的流量无关。 燃气轮机燃烧器包括：用于吹出气体燃料的燃料喷嘴; 空气喷嘴板，其具有用于在从燃料喷嘴喷射燃料之后将燃料和空气喷射到燃烧室中的空气喷嘴; 和形成在空气喷嘴内的障碍物; 其中障碍物引起从燃料喷嘴吹出的燃料喷射的碰撞，从而导致气流流入空气喷嘴中的湍流。 根据本发明，可以独立于燃料的流量进一步加速燃料和空气之间的混合。
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公开(公告)号：US09121611B2
公开(公告)日：2015-09-01
申请号：US13552723
申请日：2012-07-19
申请人： Hiromi Koizumi , Shohei Yoshida , Satoshi Dodo
发明人： Hiromi Koizumi , Shohei Yoshida , Satoshi Dodo
CPC分类号： F23R3/28 , F23R3/10 , F23R3/343 , F23R2900/00002 , F23R2900/00004
摘要： A combustor is provided that can ensure combustion stability even when operated on low BTU gas without needing any equipment for preventing back-flow of fuel gas during operation on pilot fuel. The combustor includes a first perforated plate disposed upstream of a combustion chamber, the first plate having a plurality of nozzle holes and air holes; a second perforated plate disposed on the upstream side of the first plate; and a plurality of gas nozzles each of which is inserted into corresponding nozzle holes. The gas nozzle has a leading end located inside the corresponding one of the nozzle holes. Each of the gas nozzles includes a jet hole portion having a diameter smaller than that of a gas jet hole of the gas nozzle; and a passage portion designed to form an air passage on the outer circumference of the leading end portion of the gas nozzle.
摘要翻译： 提供了一种燃烧器，即使在低BTU气体下运行时也能确保燃烧稳定性，而不需要任何设备来防止燃油在运行过程中逆流。 燃烧器包括设置在燃烧室上游的第一多孔板，第一板具有多个喷嘴孔和气孔; 设置在所述第一板的上游侧的第二多孔板; 以及各自插入相应的喷嘴孔中的多个气体喷嘴。 气体喷嘴具有位于对应的一个喷嘴孔内的前端。 每个气体喷嘴包括直径小于气体喷嘴的气体喷射孔的直径的喷射孔部分; 以及设计成在气体喷嘴的前端部的外周形成空气通路的通路部。
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公开(公告)号：US20130029277A1
公开(公告)日：2013-01-31
申请号：US13552723
申请日：2012-07-19
申请人： Hiromi Koizumi , Shohei Yoshida , Satoshi Dodo
发明人： Hiromi Koizumi , Shohei Yoshida , Satoshi Dodo
IPC分类号： F23D14/62
CPC分类号： F23R3/28 , F23R3/10 , F23R3/343 , F23R2900/00002 , F23R2900/00004
摘要： A combustor is provided that can ensure combustion stability even when operated on low BTU gas without needing any equipment for preventing back-flow of fuel gas during operation on pilot fuel. The combustor includes a first perforated plate disposed upstream of a combustion chamber, the first plate having a plurality of nozzle holes and air holes; a second perforated plate disposed on the upstream side of the first plate; and a plurality of gas nozzles each of which is inserted into corresponding nozzle holes. The gas nozzle has a leading end located inside the corresponding one of the nozzle holes. Each of the gas nozzles includes a jet hole portion having a diameter smaller than that of a gas jet hole of the gas nozzle; and a passage portion designed to form an air passage on the outer circumference of the leading end portion of the gas nozzle.
摘要翻译： 提供了一种燃烧器，即使在低BTU气体下运行时也能确保燃烧稳定性，而不需要任何设备来防止燃油在运行过程中逆流。 燃烧器包括设置在燃烧室上游的第一多孔板，第一板具有多个喷嘴孔和气孔; 设置在所述第一板的上游侧的第二多孔板; 以及各自插入相应的喷嘴孔中的多个气体喷嘴。 气体喷嘴具有位于对应的一个喷嘴孔内的前端。 每个气体喷嘴包括直径小于气体喷嘴的气体喷射孔的直径的喷射孔部分; 以及设计成在气体喷嘴的前端部的外周形成空气通路的通路部。
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公开(公告)号：US20100251725A1
公开(公告)日：2010-10-07
申请号：US12751503
申请日：2010-03-31
摘要： This invention is intended to maintain combustor reliability.The invention provides a combustor that includes: a fueling nozzle that jets a fuel towards a combustion chamber located downstream; and a flat-plate-shaped air blowhole plate facing the upstream side of the combustion chamber and disposed between the fueling nozzle and the combustion chamber, the air blowhole plate having a plurality of air blowholes arranged at equal intervals in a circumferential direction relative to the center of the air blowhole plate, in order to jet towards the combustion chamber a flow of fuel and a flow of air that is formed at the outer circumferential side of the fuel flow; wherein, in a phase that the fuel flow and the air flow reach an inner wall of the combustion chamber after being jetted from each of a plurality of independently operable burners and from part of the circumferentially arrayed air blowholes, or in a phase that the fuel flow and the air flow interfere with two of the adjacent burners, a spacing between air blowholes that are the part of the circumferentially arrayed air blowholes, is greater than in other phases of the air blowholes.According to the invention, combustor reliability can be maintained.
摘要翻译： 本发明旨在维持燃烧器的可靠性。 本发明提供了一种燃烧器，其包括：燃料喷嘴，其将燃料喷射到位于下游的燃烧室; 以及面对所述燃烧室的上游侧并且设置在所述加燃料喷嘴和所述燃烧室之间的平板状空气孔板，所述空气孔板具有多个相对于所述燃烧室的圆周方向等间隔排列的空气孔 空气孔板的中心，为了向燃烧室喷射形成在燃料流的外周侧的燃料流和空气流; 其特征在于，在燃料流和空气流从多个可独立操作的燃烧器中的每一个喷射并从周向排列的空气孔的一部分喷射到燃烧室的内壁的阶段中，或者燃料 气流和空气流干扰两个相邻的燃烧器，作为周向排列的空气孔的一部分的空气孔之间的间距大于空气孔的其它阶段。 根据本发明，可以保持燃烧器的可靠性。
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7.发明授权公开(公告)号：US08763399B2
公开(公告)日：2014-07-01
申请号：US12751503
申请日：2010-03-31
IPC分类号： F23R3/30
摘要： A combustor includes a fueling nozzle that jets a fuel towards a combustion chamber located downstream and a flat-plate-shaped air blowhole plate that faces the upstream side of the combustion chamber and that is disposed between the fueling nozzle and the combustion chamber. The air blowhole plate has a plurality of air blowholes arranged at equal intervals in a circumferential direction relative to the center of the air blowhole plate, in order to jet a flow of fuel and a flow of air that is formed at the outer circumferential side of the fuel flow toward the combustion chamber.
摘要翻译： 燃烧器包括燃料喷嘴，该燃料喷嘴朝向位于下游的燃烧室喷射燃料，平板形空气孔板面向燃烧室的上游侧并且设置在加燃料喷嘴和燃烧室之间。 空气孔板具有相对于空气孔板的中心在圆周方向等间隔排列的多个空气孔，以便喷射形成在空气孔的外周侧的燃料流和空气流 燃料流向燃烧室。
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公开(公告)号：US09027349B2
公开(公告)日：2015-05-12
申请号：US13358227
申请日：2012-01-25
申请人： Keisuke Miura , Tomomi Koganezawa , Satoshi Dodo , Takeo Saito
发明人： Keisuke Miura , Tomomi Koganezawa , Satoshi Dodo , Takeo Saito
CPC分类号： F23R3/286 , F23R3/343 , F23R2900/00014
摘要： A combustor of the prior art that defines the outlet position and direction of an air hole and suppresses adhesion of flame to an air hole outlet can reduce a discharge amount of NOx by increasing a distance over which fuel and air are mixed with each other. However, such a combustor is not sufficiently discussed for measures to suppress the occurrence of combustion oscillation resulting from the variation of a flame surface.A combustor 2 according to the present invention includes a combustion chamber 5 to which fuel and air are supplied; air holes 32 adapted to supply air to the combustion chamber 5; fuel nozzles 25 adapted to supply gaseous fuel to the air holes 32; and orifices 24 adapted to allow the gaseous fuel supplied to the air holes 32 to cause a pressure drop.
摘要翻译： 限定空气孔的出口位置和方向并且抑制火焰与空气孔出口的粘附的现有技术的燃烧器可以通过增加燃料和空气彼此混合的距离来减少NOx的排放量。 但是，为了抑制由火焰表面的变化引起的燃烧振动的发生的措施，这种燃烧器没有充分的讨论。 根据本发明的燃烧器2包括供应燃料和空气的燃烧室5; 适于向燃烧室5供应空气的气孔32; 适于向气孔32供应气体燃料的燃料喷嘴25; 以及适于允许供应到气孔32的气体燃料引起压降的孔口24。
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公开(公告)号：US09074772B2
公开(公告)日：2015-07-07
申请号：US12893879
申请日：2010-09-29
申请人： Keisuke Miura , Satoshi Dodo , Kazuki Abe , Tomomi Koganezawa
发明人： Keisuke Miura , Satoshi Dodo , Kazuki Abe , Tomomi Koganezawa
CPC分类号： F23R3/10 , F23R3/286 , F23R3/343 , Y02T50/675
摘要： This invention is directed to supply a combustor having a structure that reduces NOx emissions while maintaining combustion stability. The combustor has a chamber into which fuel and air are supplied. An air hole plate having a plurality of air holes upstream of the chamber is also disclosed, and fuel nozzles supplying fuel to the air holes of the air hole plate are further disclosed. In the combustor, a center of a chamber-side of the air hole plate is closer to the chamber than exits of outermost peripheral air holes.
摘要翻译： 本发明旨在提供具有减少NOx排放的结构的燃烧器，同时保持燃烧稳定性。 燃烧器具有供应燃料和空气的室。 还公开了一种在腔室上游具有多个气孔的气孔板，并且还公开了向空气孔板的气孔供给燃料的燃料喷嘴。 在燃烧器中，气孔板的室侧的中心比最外周气孔的出口更靠近室。
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公开(公告)号：US20120192568A1
公开(公告)日：2012-08-02
申请号：US13358227
申请日：2012-01-25
申请人： Keisuke MIURA , Tomomi Koganezawa , Satoshi Dodo , Takeo Saito
发明人： Keisuke MIURA , Tomomi Koganezawa , Satoshi Dodo , Takeo Saito
CPC分类号： F23R3/286 , F23R3/343 , F23R2900/00014
摘要： A combustor of the prior art that defines the outlet position and direction of an air hole and suppresses adhesion of flame to an air hole outlet can reduce a discharge amount of NOx by increasing a distance over which fuel and air are mixed with each other. However, such a combustor is not sufficiently discussed for measures to suppress the occurrence of combustion oscillation resulting from the variation of a flame surface.A combustor 2 according to the present invention includes a combustion chamber 5 to which fuel and air are supplied; air holes 32 adapted to supply air to the combustion chamber 5; fuel nozzles 25 adapted to supply gaseous fuel to the air holes 32; and orifices 24 adapted to allow the gaseous fuel supplied to the air holes 32 to cause a pressure drop.
摘要翻译： 限定空气孔的出口位置和方向并且抑制火焰与空气孔出口的粘附的现有技术的燃烧器可以通过增加燃料和空气彼此混合的距离来减少NOx的排放量。 但是，为了抑制由火焰表面的变化引起的燃烧振动的发生的措施，这种燃烧器没有充分的讨论。 根据本发明的燃烧器2包括供应燃料和空气的燃烧室5; 适于向燃烧室5供应空气的气孔32; 适于向气孔32供应气体燃料的燃料喷嘴25; 以及适于允许供应到气孔32的气体燃料引起压降的孔口24。
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