公开(公告)号：US06889619B2

公开(公告)日：2005-05-10

申请号：US10292694

申请日：2002-11-13

申请人： Hirofumi Okazaki ,  Masayuki Taniguchi ,  Toshikazu Tsumura ,  Yoshitaka Takahashi ,  Kouji Kuramashi

发明人： Hirofumi Okazaki ,  Masayuki Taniguchi ,  Toshikazu Tsumura ,  Yoshitaka Takahashi ,  Kouji Kuramashi

IPC分类号： F24B1/187 ,  F23D1/00 ,  F23H5/00

CPC分类号： F23C6/045 ,  F23C7/004 ,  F23C7/008 ,  F23C2201/20 ,  F23C2900/06041 ,  F23D1/00 ,  F23D2201/10 ,  F23D2201/20 ,  F23D2209/20

摘要： A solid fuel burner and method uses a low oxygen concentration gas as a transporting gas for a low grade solid fuel such as brown coal or the like, provides for accelerating ignition of the fuel and for preventing slugging caused by combustion ash. Mixing of fuel and air inside a fuel nozzle 11 is accelerated by an additional air nozzle 12 and a separator 35 for separating a flow passage, arranged in the fuel nozzle 11, and an exit of the additional air nozzle 12 is set at a position that overlaps with the separator 35. Additional air is ejected in a direction nearly perpendicular to a flow direction of a fuel jet flowing through the fuel nozzle 11. The amount of air from the additional air nozzle 12 is varied corresponding to a combustion load, in order to assure stable burning of the fuel, and, to suppress radiant heat received by structures of the solid fuel burner and walls of the furnace.

摘要翻译： 固体燃料燃烧器和方法使用低氧浓度气体作为诸如褐煤等的低等级固体燃料的输送气体，用于加速燃料的点燃并防止由燃烧灰产生的s塞。 燃料喷嘴11内的燃料和空气的混合通过附加的空气喷嘴12和用于分离设置在燃料喷嘴11中的流路的分离器35加速，并且附加空气喷嘴12的出口被设定在 与分离器35重叠。 附加的空气沿与流过燃料喷嘴11的燃料射流的流动方向大致垂直的方向喷射。 来自附加空气喷嘴12的空气量相应于燃烧负荷而变化，以确保燃料的稳定燃烧，并且抑制固体燃料燃烧器和炉壁的结构所接收的辐射热。

公开(公告)号：US07665408B2

公开(公告)日：2010-02-23

申请号：US11633489

申请日：2006-12-05

申请人： Hirofumi Okazaki ,  Masayuki Taniguchi ,  Toshikazu Tsumura ,  Yoshitaka Takahashi ,  Kouji Kuramashi

发明人： Hirofumi Okazaki ,  Masayuki Taniguchi ,  Toshikazu Tsumura ,  Yoshitaka Takahashi ,  Kouji Kuramashi

IPC分类号： F23D1/00

CPC分类号： F23C6/045 ,  F23C7/004 ,  F23C7/008 ,  F23C2201/20 ,  F23C2900/06041 ,  F23D1/00 ,  F23D2201/10 ,  F23D2201/20 ,  F23D2209/20

摘要： A solid fuel burner using a low oxygen concentration gas as a transporting gas of a low grade solid fuel such as brown coal or the like and a combustion method using the solid fuel burner are provided. The solid fuel burner comprises a means for accelerating ignition of the fuel and a means for preventing slugging caused by combustion ash from occurring. Mixing of fuel and air inside a fuel nozzle 11 is accelerated by that an additional air nozzle 12 and a separator 35 for separating a flow passage are arranged in the fuel nozzle 11, and the exit of the additional air nozzle 12 is set at a position so as to overlap with the separator 35 when seeing from a direction perpendicular to a burner axis, and additional air is ejected in a direction nearly perpendicular to a flow direction of a fuel jet flowing through the fuel nozzle 11. An amount of air from the additional air nozzle 12 is varied corresponding to a combustion load. By increasing the amount of air from the additional air nozzle 12 at a low load operation, an oxygen concentration of a circulation flow 19 formed in a downstream portion outside the exit of the fuel nozzle 11 is increased to stably burn the fuel. By decreasing the amount of air from the additional air nozzle 12 at a high load operation, a flame is formed at a position distant from the fuel nozzle 11 to suppress radiant heat received by structures of the solid fuel burner and walls of the furnace.

摘要翻译： 提供了使用低氧浓度气体作为低等固体燃料如褐煤等的输送气体的固体燃料燃烧器和使用固体燃料燃烧器的燃烧方法。 固体燃料燃烧器包括用于加速燃料点火的装置和用于防止由燃烧灰发生的堵塞的装置。 燃料喷嘴11内的燃料和空气的混合通过在燃料喷嘴11中设置有附加的空气喷嘴12和用于分离流路的分离器35而加速，并且附加空气喷嘴12的出口被设定在位置 以便当从垂直于燃烧器轴线的方向观察时与分离器35重叠，并且附加空气沿与流过燃料喷嘴11的燃料射流的流动方向几乎垂直的方向喷射。来自 额外的空气喷嘴12对应于燃烧负荷而变化。 通过在低负载运转下增加来自附加空气喷嘴12的空气量，形成在燃料喷嘴11的出口外的下游部分的循环流19的氧浓度增加，以稳定地燃烧燃料。 通过在高负荷运转下减少来自附加空气喷嘴12的空气量，在远离燃料喷嘴11的位置处形成火焰，以抑制由固体燃料燃烧器的结构和炉壁接收的辐射热。

公开(公告)号：US20050092220A1

公开(公告)日：2005-05-05

申请号：US11011047

申请日：2004-12-15

申请人： Hirofumi Okazaki ,  Masayuki Taniguchi ,  Toshikazu Tsumura ,  Yoshitaka Takahashi ,  Kouji Kuramashi

发明人： Hirofumi Okazaki ,  Masayuki Taniguchi ,  Toshikazu Tsumura ,  Yoshitaka Takahashi ,  Kouji Kuramashi

IPC分类号： F24B1/187 ,  F23D1/00

CPC分类号： F23C6/045 ,  F23C7/004 ,  F23C7/008 ,  F23C2201/20 ,  F23C2900/06041 ,  F23D1/00 ,  F23D2201/10 ,  F23D2201/20 ,  F23D2209/20

摘要： A solid fuel burner using a low oxygen concentration gas as a transporting gas of a low grade solid fuel such as brown coal or the like and a combustion method using the solid fuel burner are provided. The solid fuel burner comprises a means for accelerating ignition of the fuel and a means for preventing slugging caused by combustion ash from occurring. Mixing of fuel and air inside a fuel nozzle 11 is accelerated by that an additional air nozzle 12 and a separator 35 for separating a flow passage are arranged in the fuel nozzle 11, and the exit of the additional air nozzle 12 is set at a position so as to overlap with the separator 35 when seeing from a direction perpendicular to a burner axis, and additional air is ejected in a direction nearly perpendicular to a flow direction of a fuel jet flowing through the fuel nozzle 11. An amount of air from the additional air nozzle 12 is varied corresponding to a combustion load. By increasing the amount of air from the additional air nozzle 12 at a low load operation, an oxygen concentration of a circulation flow 19 formed in a downstream portion outside the exit of the fuel nozzle 11 is increased to stably burn the fuel. By decreasing the amount of air from the additional air nozzle 12 at a high load operation, a flame is formed at a position distant from the fuel nozzle 11 to suppress radiant heat received by structures of the solid fuel burner and walls of the furnace.

摘要翻译： 提供了使用低氧浓度气体作为低等固体燃料如褐煤等的输送气体的固体燃料燃烧器和使用固体燃料燃烧器的燃烧方法。 固体燃料燃烧器包括用于加速燃料点火的装置和用于防止由燃烧灰发生的堵塞的装置。 燃料喷嘴11内的燃料和空气的混合通过在燃料喷嘴11中设置有附加的空气喷嘴12和用于分离流路的分离器35而加速，并且附加空气喷嘴12的出口被设定在位置 以便在从与燃烧器轴垂直的方向观察时与分离器35重叠，并且附加空气沿与流过燃料喷嘴11的燃料射流的流动方向几乎垂直的方向喷射。 来自附加空气喷嘴12的空气量相应于燃烧负荷而变化。 通过在低负载运转下增加来自附加空气喷嘴12的空气量，形成在燃料喷嘴11的出口外的下游部分的循环流19的氧浓度增加，以稳定地燃烧燃料。 通过在高负荷运转下减少来自附加空气喷嘴12的空气量，在远离燃料喷嘴11的位置处形成火焰，以抑制由固体燃料燃烧器的结构和炉壁接收的辐射热。

公开(公告)号：US06976440B2

公开(公告)日：2005-12-20

申请号：US10468956

申请日：2001-12-03

申请人： Yoshinori Ohtani ,  Hidehisa Yoshizako ,  Hiroaki Kanemoto ,  Yutaka Takeno ,  Yoshio Shimogori ,  Toshikazu Tsumura ,  Yoshitaka Takahashi

发明人： Yoshinori Ohtani ,  Hidehisa Yoshizako ,  Hiroaki Kanemoto ,  Yutaka Takeno ,  Yoshio Shimogori ,  Toshikazu Tsumura ,  Yoshitaka Takahashi

IPC分类号： F23C5/28 ,  F23C7/00 ,  F23K3/02 ,  F23L13/00 ,  F23D1/00

CPC分类号： F23C7/008 ,  F23C5/28 ,  F23K3/02 ,  F23K2201/30 ,  F23K2203/105 ,  F23K2203/201

摘要： A fuel supply duct, which supplies a mixed fluid of a solid fuel and carrier gas to one or more burners provided on the walls of a furnace, is provided with a branching part, and each of a plurality of branch ducts, which branch out from the branching part, is connected to a corresponding burner. Also a damper, with which the tilt angle with respect to the direction of flow of the mixed fluid can be changed, is positioned in the fuel supply duct at the upstream side of the branching part so that a mutual difference will arise in the solid fuel concentrations of the mixed fluid supplied to the respective branch ducts. A fuel distributor for fuel supply duct is thus arranged. The tilt angle of the above-mentioned damper is adjusted to increase the concentration of solid fuel in the mixed fluid supplied to a specific burner. At a burner to which the high solid fuel concentration is supplied, stability of ignition and stable combustion of the ignited flame can be obtained during low load operation.

摘要翻译： 将设置在炉壁上的一个或多个燃烧器供给固体燃料和载气的混合流体的燃料供给管道设置有分支部，分支部分分支出多个分支管道 分支部分连接到相应的燃烧器。 另外，可以改变相对于混合流体的流动方向的倾斜角度的阻尼器位于分支部分的上游侧的燃料供应管道中，使得固体燃料中将产生相互的差异 供给各分支管道的混合流体的浓度。 因此布置了用于燃料供应管道的燃料分配器。 调节上述阻尼器的倾斜角度以增加供应给特定燃烧器的混合流体中固体燃料的浓度。 在供应高固体燃料浓度的燃烧器中，在低负载运行期间可以获得点火稳定性和点燃火焰的稳定燃烧。

公开(公告)号：US4991520A

公开(公告)日：1991-02-12

申请号：US417464

申请日：1989-10-05

申请人： Toshikazu Tsumura ,  Ryuichi Sugita ,  Yasuhide Sakaguchi ,  Ikuhisa Hamada ,  Akira Baba

发明人： Toshikazu Tsumura ,  Ryuichi Sugita ,  Yasuhide Sakaguchi ,  Ikuhisa Hamada ,  Akira Baba

IPC分类号： F23D1/02 ,  F23D1/00

CPC分类号： F23D1/00 ,  F23D2207/00

摘要： The present invention relates to a pulverized coal ignition burner apparatus for use with a pulverized coal boiler or the like for a thermal power plant. The apparatus is so constructed that the pulverized coal is directly burned without generation of a large amount of NOx and without using auxiliary fuel such as light oil, heavy oil and gas that are needed in the conventional apparatus. In the pulverized coal burner apparatus, an ignition region (39) in which a density of the pulverized coal of the mixture of the air and the pulverized coal supplied from a pulverized coal supply source (18) to a pulverized coal burner (4 to 9) by means of a delivery system (23, 50) is enhanced and the flow rate of the mixture flow is low is formed within the pulverized coal burner. The pulverized coal within this region is ignited by an igniter (41).

公开(公告)号：US5499087A

公开(公告)日：1996-03-12

申请号：US57637

申请日：1993-05-07

申请人： Chikara Hiraoka ,  Junichi Matsuno ,  Masao Mitani ,  Hiroshi Oda ,  Toshikazu Tsumura

发明人： Chikara Hiraoka ,  Junichi Matsuno ,  Masao Mitani ,  Hiroshi Oda ,  Toshikazu Tsumura

IPC分类号： G03G15/20

CPC分类号： G03G15/2064 ,  G03G15/2053 ,  G03G2215/2016 ,  G03G2215/2038

摘要： A heat fixing device includes a heating head formed by attaching a radiant plate to the radiant surface of a PTC heating element using an adhesive having an excellent thermal conductivity, and embedding a heating unit, of which surfaces except the radiant surface are shielded with an adiabatic material, in a recess formed in a holder for supporting the heating unit.

摘要翻译： 热定影装置包括加热头，该加热头通过使用具有优异导热性的粘合剂将辐射板附接到PTC加热元件的辐射表面，并且包埋加热单元，其中辐射表面之外的表面用绝热屏蔽 材料，形成在用于支撑加热单元的保持器中的凹部中。