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    • 1. 发明专利
    • Gas turbine combustor
    • 气体涡轮搅拌机
    • JP2014013100A
    • 2014-01-23
    • JP2012150122
    • 2012-07-04
    • Hitachi Ltd株式会社日立製作所
    • MOMO SATOSHIASAI TOMOHIROAKIYAMA YASUHIRO
    • F23R3/28F02C7/22F02C7/228
    • PROBLEM TO BE SOLVED: To provide a gas turbine combustor which maintains highly reliable and stable combustion and can maintain low NOx combustion performance when fuel containing hydrogen therein is used for the gas turbine combustor.SOLUTION: In the gas turbine combustor, a plurality of fuel nozzles 56a, 56b which are arranged coaxially with respective air holes of an air hole plate 54 and supply fuel to the air holes are disposed to constitute a porous coaxial jet burner 53, elements for changing opening cross-section areas are disposed on a plurality of portions in fuel channels of the fuel nozzles 56a, 56b, the opening cross-section area ratio on elements for changing opening cross-section areas disposed on a plurality of portions in fuel channels of the fuel nozzle 56a and the opening cross-section area ratio on elements for changing opening cross-section areas disposed on a plurality of portions in fuel channels of the fuel nozzle 56b are respectively preset such that respective opening cross-section area ratios are differentiated, and a common fuel supply system 22A for supplying the fuel to the fuel nozzle 56a and the fuel nozzle 56b which have different opening cross-section area ratios are arranged.
    • 要解决的问题:提供一种燃气轮机燃烧器,其保持高度可靠和稳定的燃烧,并且当燃料含有其中的燃料用于燃气轮机燃烧器时可以维持低NOx燃烧性能。解决方案:在燃气轮机燃烧器中,多个燃料 设置与气孔板54的各个气孔同轴配置并向空气孔供给燃料的喷嘴56a,56b构成多孔同轴喷射燃烧器53,用于改变开口横截面积的元件设置在多个 燃料喷嘴56a,56b的燃料通道中的部分,用于改变设置在燃料喷嘴56a的燃料通道中的多个部分上的开口横截面区域的元件的开口横截面积比和开口横截面积比 用于改变设置在燃料喷嘴56b的燃料通道中的多个部分上的开口横截面区域的元件分别被预设为使得相应的 开口截面积比是不同的,并且布置有用于向燃料喷嘴56a和燃料喷嘴56b供应具有不同开口横截面面积比的燃料的通用燃料供应系统22A。
    • 2. 发明专利
    • Gas turbine combustor
    • 气体涡轮搅拌机
    • JP2013108667A
    • 2013-06-06
    • JP2011253406
    • 2011-11-21
    • Hitachi Ltd株式会社日立製作所
    • ASAI TOMOHIROMOMO SATOSHIAKIYAMA KYOTAYOSHIDA SHOHEI
    • F23R3/10F02C7/22F23R3/12F23R3/20F23R3/28
    • PROBLEM TO BE SOLVED: To reduce an environmental load and suppress a pressure change by preventing flame from adhering to a burner, thus securing reliability for a combustor even if hydrogen-containing fuel is burned.SOLUTION: The gas turbine combustor includes: a combustor chamber to which fuel and air are supplied to solve the problem; an air hole plate which is located on an upstream sidewall surface of the combustor chamber, and in which a plurality of air holes are formed in a concentric row shape; and a fuel nozzle which is arranged at the upstream side of each air hole of the air hole plate, wherein an air hole clearance which is formed between each air hole row on the surface of the side of the combustor chamber of the air hole plate protrudes toward the side of the combustor chamber.
    • 要解决的问题:为了减少环境负荷并通过防止火焰粘附到燃烧器来抑制压力变化,从而确保了燃烧器的可靠性,即使含氢燃料被燃烧。 解决方案:燃气轮机燃烧器包括:燃料室,供应燃料和空气以解决问题; 空气孔板,其位于所述燃烧室的上游侧壁面上,并且其中多个气孔形成为同心行的形状; 以及燃料喷嘴,其布置在所述气孔板的每个气孔的上游侧,其中形成在所述气孔板的所述燃烧室的所述侧的表面上的每个空气孔排之间的气孔间隙突出 朝向燃烧室的一侧。 版权所有(C)2013,JPO&INPIT
    • 3. 发明专利
    • Gas turbine combustor
    • 气体涡轮搅拌机
    • JP2011058775A
    • 2011-03-24
    • JP2009211923
    • 2009-09-14
    • Hitachi Ltd株式会社日立製作所
    • MIURA KEISUKEMOMO SATOSHIKOYAMA KAZUHITO
    • F23R3/12F02C7/22F23R3/20F23R3/28
    • PROBLEM TO BE SOLVED: To provide a gas turbine combustor which reduces a pressure loss in coaxial nozzles and reduces NOx emission by promoting the mixure of fuel and air.
      SOLUTION: The gas turbine combustor includes burners in which the plurality of rows of coaxial nozzles comprising a plurality of fuel nozzles and a plurality of air holes formed on an air hole plate and coaxial with the fuel nozzles are arranged annularly. A member for generating a turbulence of an air current is provided either at a tip of the fuel nozzle constituting the coaxial nozzle or within a flow passage of the air hole formed on the air hole plate where the tip of the fuel nozzle is positioned, so as to define the minimum flow passage cross sectional area of the air hole of the coaxial nozzle. The minimum flow passage cross sectional area of the air hole of the coaxial nozzle positioned in the burner arranged on the outer peripheral side out of the plurality of rows of burners is formed wider than the minimum flow passage cross sectional area of the air hole of the coaxial nozzle positioned in the burner arranged on the central side.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种燃气轮机燃烧器,其减少同轴喷嘴中的压力损失并且通过促进燃料和空气的混合来减少NOx排放。 解决方案:燃气轮机燃烧器包括燃烧器,其中包括多个燃料喷嘴的多排同轴喷嘴和形成在空气孔板上并与燃料喷嘴同轴的多个气孔布置成环状。 在构成同轴喷嘴的燃料喷嘴的尖端处或在形成在燃料喷嘴的前端的气孔板上形成的气孔的流路内设置用于产生气流湍流的部件,因此, 以限定同轴喷嘴的气孔的最小流路横截面面积。 位于多列燃烧器的外周侧的配置在燃烧器中的同轴喷嘴的空气孔的最小流路横截面面积形成为比该排气孔的最小流路横截面积大 位于燃烧器中的同轴喷嘴布置在中心侧。 版权所有(C)2011,JPO&INPIT
    • 4. 发明专利
    • Fuel supply method of gas turbine combustor
    • 燃气轮机燃油供应方法
    • JP2010053689A
    • 2010-03-11
    • JP2008216097
    • 2008-08-26
    • Hitachi Ltd株式会社日立製作所
    • ABE KAZUCHIKAKOGANEZAWA TOMOKIMOMO SATOSHIKOIZUMI HIROMI
    • F02C7/22F01D25/10F02C7/224F02C7/26F02C7/264F23R3/00
    • PROBLEM TO BE SOLVED: To restrain hydrogen concentration in an unburnt air-fuel mixture of fuel and air including hydrogen from coming within a combustible range on the downstream side of a combustor before ignition by a burner.
      SOLUTION: For solving the purpose, this invention is a fuel supply method of a gas turbine combustor having a hydrogen storage alloy in a fuel supply system, comprising the fuel supply system for supplying mixed fuel including the hydrogen and a liner for forming a combustion chamber for burning the mixed fuel supplied from the fuel supply system, and is characterized in that before the ignition, the hydrogen in the mixed fuel is adsorbed by the hydrogen storage alloy, and the hydrogen quantity-reduced fuel is supplied to the liner as ignition fuel, and after the ignition, the hydrogen adsorbed by the hydrogen storage alloy is discharged in the mixed fuel, and the mixed fuel is supplied to the liner.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了抑制燃料和包括氢气在内的空气燃料混合物中的氢浓度在燃烧器点燃之前在燃烧器的下游侧进入可燃范围内。 解决方案:为了解决这个目的,本发明是一种在燃料供应系统中具有储氢合金的燃气轮机燃烧器的燃料供给方法,包括用于供应包含氢的混合燃料和用于形成的衬套的燃料供应系统 用于燃烧从燃料供应系统供应的混合燃料的燃烧室,其特征在于,在点火之前,混合燃料中的氢气被储氢合金吸附,并且减少氢的燃料被供应到衬套 作为点火燃料,并且在点火之后,由储氢合金吸附的氢气在混合燃料中排出,并且将混合燃料供应到衬套。 版权所有(C)2010,JPO&INPIT
    • 5. 发明专利
    • Gas turbine and gas turbine generator
    • 气体涡轮机和气体涡轮发电机
    • JP2003343204A
    • 2003-12-03
    • JP2002147072
    • 2002-05-22
    • Hitachi Ltd株式会社日立製作所
    • SEKIHARA TAKASHIUSAMI SABUROHAYASAKA YASUSHIMOMO SATOSHI
    • F01D5/02F01D5/06F01D15/10F01D25/00F02C3/08F02C7/00F16D1/06
    • F01D5/026F01D5/025F01D5/066F01D15/10F02C3/085
    • PROBLEM TO BE SOLVED: To achieve disassembly and assembly of a micro gas turbine generator easily. SOLUTION: A compressor rotor 4 in the gas turbine generator and an adjoining boss 13 are assembled such that a convex counter lock 47 provided on the compressor rotor 4 and a concave counter lock 48 provided on the junction boss 13 are extractably fitted to each other. The compressor rotor 4 and a rotor shaft 6 are assembled such that the convex counter lock 47 provided on the compressor rotor 4 and the concave counter lock 49 provided on the rotor shaft 6 are extractably fitted to each other. The generator is configured to tighten by combining in series the compressor rotor 4, the rotor shaft 6 and a generator core 19 by a tie bolt 9 adjoined to the adjoining boss 13 of the turbine rotor 2 and a nut 14. COPYRIGHT: (C)2004,JPO
    • 要解决的问题:实现微型燃气轮机发电机的拆卸和组装。 解决方案:燃气涡轮发电机中的压缩机转子4和邻接的凸台13组装成使得设置在压缩机转子4上的凸形计数器锁47和设置在接合凸台13上的凹形计数器锁48可抽出地装配到 彼此。 压缩机转子4和转子轴6被组装成使得设置在压缩机转子4上的凸形计数器锁47和设置在转子轴6上的凹形计数器锁49彼此可抽出地配合。 发电机构造成通过与涡轮转子2的相邻凸台13相邻的连接螺栓9和螺母14将压缩机转子4,转子轴6和发电机芯19串联组合来紧固。 (C)2004,JPO
    • 6. 发明专利
    • Gas turbine combustor
    • 气体涡轮搅拌机
    • JP2013170776A
    • 2013-09-02
    • JP2012035786
    • 2012-02-22
    • Hitachi Ltd株式会社日立製作所
    • AKIYAMA KYOTAMOMO SATOSHIASAI TOMOHIROYOSHIDA SHOHEI
    • F23R3/16F02C7/22F23R3/12F23R3/28F23R3/34
    • 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.
    • 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。
    • 7. 发明专利
    • Combustor, burner, and gas turbine
    • 燃烧器,燃烧器和燃气轮机
    • JP2013029231A
    • 2013-02-07
    • JP2011164312
    • 2011-07-27
    • Hitachi Ltd株式会社日立製作所
    • KOIZUMI HIROMIYOSHIDA SHOHEIMOMO SATOSHI
    • F23R3/06F23R3/12F23R3/28
    • F23R3/28F23R3/10F23R3/343F23R2900/00002F23R2900/00004
    • 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.
    • 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
    • 8. 发明专利
    • Combustor
    • 燃烧室
    • JP2012098027A
    • 2012-05-24
    • JP2012032283
    • 2012-02-17
    • Hitachi Ltd株式会社日立製作所
    • MIURA KEISUKEMOMO SATOSHIABE KAZUCHIKAKOGANEZAWA TOMOKI
    • F23R3/30F23R3/10F23R3/28
    • PROBLEM TO BE SOLVED: To provide a structure that strikes a balance between a low NOx and a combustion stability, in a gas turbine combustor.SOLUTION: The combustor 2 includes: a combustion chamber 50 from which fuel and air are supplied; an air hole plate 33, which is located in an upstream side of the combustion chamber 50, and which has a plurality of air holes 32; and a fuel nozzle 31 for supplying fuel to the air holes 32 of the air hole plate 33. The air hole plate has an inner peripheral side plane and an outer peripheral side plane, which are the planes vertical to a central axis direction of the air hole plate in a combustion chamber side, respectively. The inner peripheral side plane is located in a downstream side more than the outer peripheral side plane, and the inner peripheral side plane is connected with the outer peripheral side plane by the plane or a smooth surface.
    • 要解决的问题:提供一种在燃气轮机燃烧器中实现低NOx和燃烧稳定性之间平衡的结构。 解决方案:燃烧器2包括:供应燃料和空气的燃烧室50; 位于燃烧室50的上游侧的气孔板33,具有多个气孔32; 以及用于向空气孔板33的气孔32供给燃料的燃料喷嘴31.气孔板具有作为垂直于空气的中心轴方向的平面的内周侧面和外周侧面 分别在燃烧室侧的孔板。 内周侧面位于比外周侧平面更靠下游的一侧,内周侧面通过平面或平滑面与外周侧面连接。 版权所有(C)2012,JPO&INPIT
    • 9. 发明专利
    • Gas turbine combustor
    • 气体涡轮搅拌机
    • JP2012037104A
    • 2012-02-23
    • JP2010175985
    • 2010-08-05
    • Hitachi Ltd株式会社日立製作所
    • ASAI TOMOHIROKOIZUMI HIROMIMOMO SATOSHITAKAHASHI HIROKAZUYOSHIDA SHOHEI
    • F23R3/28F02C7/22F23R3/12F23R3/18F23R3/34
    • 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.
    • 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
    • 10. 发明专利
    • LOW-NOx COMBUSTION METHOD FOR GAS TURBINE COMBUSTOR
    • 用于气体涡轮机的低NOx燃烧方法
    • JP2012031730A
    • 2012-02-16
    • JP2010169141
    • 2010-07-28
    • Hitachi Ltd株式会社日立製作所
    • KOIZUMI HIROMIMOMO SATOSHITAKAHASHI HIROKAZUASAI TOMOHIROYOSHIDA SHOHEI
    • F02C9/40F02C3/28F02C6/00F23C99/00F23R3/10F23R3/28F23R3/34
    • Y02E20/18
    • 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.
    • 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