公开(公告)号：US07922480B2

公开(公告)日：2011-04-12

申请号：US10538524

申请日：2003-08-27

申请人： Kenji Kiyama ,  Shigeki Morita ,  Osamu Okada ,  Koji Kuramashi ,  Takanori Yano ,  Kenichi Ochi ,  Akira Baba ,  Miki Shimogori ,  Takeru Fukuchi ,  Hiroshi Yamaguchi ,  Hironobu Kobayashi ,  Masayuki Taniguchi ,  Hirofumi Okazaki ,  Kenji Yamamoto

发明人： Kenji Kiyama ,  Shigeki Morita ,  Osamu Okada ,  Koji Kuramashi ,  Takanori Yano ,  Kenichi Ochi ,  Akira Baba ,  Miki Shimogori ,  Takeru Fukuchi ,  Hiroshi Yamaguchi ,  Hironobu Kobayashi ,  Masayuki Taniguchi ,  Hirofumi Okazaki ,  Kenji Yamamoto

IPC分类号： F23M9/00

CPC分类号： F23N5/006 ,  F23C9/08 ,  F23L9/04 ,  F23L15/04 ,  Y02E20/348

摘要： The invention provides a combustion apparatus which can inhibit an NOx generation even in the case of promoting a mixing between a high-temperature combustion gas and an air so as to intend to reduce an unburned combustible. In a combustion apparatus provided with a burner burning a fuel within a furnace in a theoretical air ratio or less, and an air port supplying a combustion air for a shortfall in the burner, a supply apparatus for supplying a nitrogen oxide generation inhibiting gas is provided in a mixing region between the both or near the mixing region. Further, the invention provides a wind box which can inhibit an NOx generation even in the case of promoting a mixing between a high-temperature combustion gas and an air so as to intend to reduce an unburned combustible. In a wind box having an air port arranged in a back flow side of the burner and supplying a combustion air for a shortfall in the burner, a supply apparatus for supplying a nitrogen oxide generation inhibiting gas is provided in a mixing region between the both or near the mixing region.

摘要翻译： 本发明提供了即使在促进高温燃烧气体和空气之间的混合的情况下也能够抑制NOx生成以便减少未燃烧的可燃物的燃烧装置。 在具有在理论空气比以下的炉内燃烧燃料的燃烧装置和供给燃烧器不足的燃烧用空气的空气口的情况下，设置供给氮氧化物产生抑制气体的供给装置 在混合区域之间或混合区域之间的混合区域。 此外，本发明提供一种风箱，即使在促进高温燃烧气体和空气之间的混合的情况下也能够抑制NOx的产生，以期减少未燃烧的可燃物。 在具有布置在燃烧器的后流侧的空气口并且供应燃烧器不足的燃烧空气的风箱中，在两者之间的混合区域中提供用于供应氮氧化物产生抑制气体的供应装置， 在混合区附近。

公开(公告)号：US20060115780A1

公开(公告)日：2006-06-01

申请号：US10538524

申请日：2003-08-27

申请人： Kenji Kiyama ,  Shigeki Morita ,  Osamu Okada ,  Koji Kuramashi ,  Takanori Yano ,  Keichi Ochi ,  Akira Baba ,  Miki Shimogori ,  Takeru Fukuchi ,  Hiroshi Yamaguchi ,  Hironobu Kobayashi ,  Masayuki Taniguchi ,  Hirofumi Okazaki ,  Keni Yamamoto

发明人： Kenji Kiyama ,  Shigeki Morita ,  Osamu Okada ,  Koji Kuramashi ,  Takanori Yano ,  Keichi Ochi ,  Akira Baba ,  Miki Shimogori ,  Takeru Fukuchi ,  Hiroshi Yamaguchi ,  Hironobu Kobayashi ,  Masayuki Taniguchi ,  Hirofumi Okazaki ,  Keni Yamamoto

IPC分类号： F23M9/00

CPC分类号： F23N5/006 ,  F23C9/08 ,  F23L9/04 ,  F23L15/04 ,  Y02E20/348

摘要： The invention provides a combustion apparatus which can inhibit an NOx generation even in the case of promoting a mixing between a high-temperature combustion gas and an air so as to intend to reduce an unburned combustible. In a combustion apparatus provided with a burner burning a fuel within a furnace in a theoretical air ratio or less, and an air port supplying a combustion air for a shortfall in the burner, a supply apparatus for supplying a nitrogen oxide generation inhibiting gas is provided in a mixing region between the both or near the mixing region. Further, the invention provides a wind box which can inhibit an NOx generation even in the case of promoting a mixing between a high-temperature combustion gas and an air so as to intend to reduce an unburned combustible. In a wind box having an air port arranged in a back flow side of the burner and supplying a combustion air for a shortfall in the burner, a supply apparatus for supplying a nitrogen oxide generation inhibiting gas is provided in a mixing region between the both or near the mixing region.

摘要翻译： 本发明提供了即使在促进高温燃烧气体和空气之间的混合的情况下也能够抑制NOx生成以便减少未燃烧的可燃物的燃烧装置。 在具有在理论空气比以下的炉内燃烧燃料的燃烧装置和供给燃烧器不足的燃烧用空气的空气口的情况下，设置供给氮氧化物产生抑制气体的供给装置 在混合区域之间或混合区域之间的混合区域。 此外，本发明提供一种风箱，即使在促进高温燃烧气体和空气之间的混合的情况下也能够抑制NOx的产生，以期减少未燃烧的可燃物。 在具有布置在燃烧器的后流侧的空气口并且供应燃烧器不足的燃烧空气的风箱中，在两者之间的混合区域中提供用于供应氮氧化物产生抑制气体的供应装置， 在混合区附近。

公开(公告)号：US07878130B2

公开(公告)日：2011-02-01

申请号：US11265198

申请日：2005-11-03

申请人： Kenji Yamamoto ,  Hirofumi Okazaki ,  Masayuki Taniguchi ,  Kazumi Yasuda ,  Kenji Kiyama ,  Takanori Yano ,  Akira Baba ,  Kenichi Ochi ,  Hisayuki Orita ,  Akihito Orii ,  Yuki Kamikawa ,  Kouji Kuramashi

发明人： Kenji Yamamoto ,  Hirofumi Okazaki ,  Masayuki Taniguchi ,  Kazumi Yasuda ,  Kenji Kiyama ,  Takanori Yano ,  Akira Baba ,  Kenichi Ochi ,  Hisayuki Orita ,  Akihito Orii ,  Yuki Kamikawa ,  Kouji Kuramashi

IPC分类号： F23B5/00

CPC分类号： F23L9/04 ,  F23C7/008 ,  F23C2201/101 ,  F23D1/00 ,  F23L7/00 ,  F23L2900/07008 ,  F23L2900/07009

摘要： A overfiring air port of the present invention is to supply an incomplete combustion region with air making up for combustion-shortage, in a furnace in which the incomplete combustion region less than stoichiometric ratio is formed by a burner. Furthermore, the airport is characterized by comprising: a nozzle mechanism for injecting air including an axial velocity component of an air flow and a radial velocity component directed to a center line of the airport; and a control mechanism for controlling a ratio of these velocity components.

摘要翻译： 本发明的过燃空气端口是在燃烧器形成不完全燃烧区域小于化学计量比的炉子中，供给不完全燃烧区域的空气来弥补燃烧不足。 此外，机场的特征在于包括：用于喷射空气的喷嘴机构，其包括空气流的轴向速度分量和指向机场的中心线的径向速度分量; 以及用于控制这些速度分量的比率的控制机构。

公开(公告)号：US20060115779A1

公开(公告)日：2006-06-01

申请号：US11265198

申请日：2005-11-03

申请人： Kenji Yamamoto ,  Hirofumi Okazaki ,  Masayuki Taniguchi ,  Kazumi Yasuda ,  Kenji Kiyama ,  Takanori Yano ,  Akira Baba ,  Kenichi Ochi ,  Hisayuki Orita ,  Akihito Orii ,  Yuki Kamikawa ,  Kouji Kuramashi

发明人： Kenji Yamamoto ,  Hirofumi Okazaki ,  Masayuki Taniguchi ,  Kazumi Yasuda ,  Kenji Kiyama ,  Takanori Yano ,  Akira Baba ,  Kenichi Ochi ,  Hisayuki Orita ,  Akihito Orii ,  Yuki Kamikawa ,  Kouji Kuramashi

IPC分类号： F23C9/00

CPC分类号： F23L9/04 ,  F23C7/008 ,  F23C2201/101 ,  F23D1/00 ,  F23L7/00 ,  F23L2900/07008 ,  F23L2900/07009

摘要： A overfiring air port of the present invention is to supply an incomplete combustion region with air making up for combustion-shortage, in a furnace in which the incomplete combustion region less than stoichiometric ratio is formed by a burner. Furthermore, the airport is characterized by comprising: a nozzle mechanism for injecting air including an axial velocity component of an air flow and a radial velocity component directed to a center line of the airport; and a control mechanism for controlling a ratio of these velocity components.

摘要翻译： 本发明的过燃空气端口是在燃烧器形成不完全燃烧区域小于化学计量比的炉子中，供给不完全燃烧区域的空气来弥补燃烧不足。 此外，机场的特征在于包括：用于喷射空气的喷嘴机构，其包括空气流的轴向速度分量和指向机场的中心线的径向速度分量; 以及用于控制这些速度分量的比率的控制机构。

公开(公告)号：US06298796B1

公开(公告)日：2001-10-09

申请号：US09515713

申请日：2000-03-01

申请人： Hirofumi Okazaki ,  Hironobu Kobayashi ,  Toshikazu Tsumura ,  Kenji Kiyama ,  Tadashi Jinbo ,  Koji Kuramashi ,  Shigeki Morita ,  Shinichiro Nomura ,  Miki Shimogori

发明人： Hirofumi Okazaki ,  Hironobu Kobayashi ,  Toshikazu Tsumura ,  Kenji Kiyama ,  Tadashi Jinbo ,  Koji Kuramashi ,  Shigeki Morita ,  Shinichiro Nomura ,  Miki Shimogori

IPC分类号： F23B700

CPC分类号： F23C6/045 ,  F23C2201/20 ,  F23D1/00 ,  F23D2201/10

摘要： A burner for burning fine coal powder comprising: a fine coal powder nozzle 10 for injecting a mixture of the fine coal powder and air; and air nozzles 11, 12 for injecting air: wherein the sufficient amount of air for complete combustion of the fine coal powder is supplied from the air nozzles; a reducing flame at a high temperature is formed by consuming oxygen rapidly with forming a flame at a high temperature by igniting the fine coal powder rapidly in the vicinity of the outlet of the burner; and an oxidizing flame having an uniform distribution of gas composition in radial direction to the central axis of the burner is formed by mixing the air injected from the air nozzle in the downstream of the reducing flame at the high temperature.

摘要翻译： 一种用于燃烧粉煤的燃烧器，包括：用于喷射煤粉和空气的混合物的细煤粉喷嘴10; 以及用于喷射空气的空气喷嘴11,12，其中从空气喷嘴供给足够量的用于粉煤粉完全燃烧的空气; 在高温下通过在燃烧器出口附近快速点燃细粉煤而在高温下形成火焰而快速消耗氧而形成高温还原火焰; 并且通过在高温下将从空气喷嘴喷射的空气在还原火焰的下游混合而形成具有气体组成在燃烧器的中心轴线上的径向均匀分布的氧化火焰。

公开(公告)号：US06715432B2

公开(公告)日：2004-04-06

申请号：US10101795

申请日：2002-03-19

申请人： Toshikazu Tsumura ,  Hirofumi Okazaki ,  Miki Shimogori ,  Kenji Kiyama ,  Kouji Kuramashi ,  Hitoshi Kikuchi ,  Yoshitaka Takahashi ,  Shigeki Morita ,  Kazuhito Sakai ,  Masayuki Taniguchi ,  Hironobu Kobayashi

发明人： Toshikazu Tsumura ,  Hirofumi Okazaki ,  Miki Shimogori ,  Kenji Kiyama ,  Kouji Kuramashi ,  Hitoshi Kikuchi ,  Yoshitaka Takahashi ,  Shigeki Morita ,  Kazuhito Sakai ,  Masayuki Taniguchi ,  Hironobu Kobayashi

IPC分类号： F23D100

CPC分类号： F23C6/045 ,  F23C5/32 ,  F23C7/004 ,  F23C7/008 ,  F23C2201/101 ,  F23D1/00 ,  F23D2201/20 ,  F23D2208/10 ,  F23D2209/20 ,  F23L15/00 ,  Y02E20/348

摘要： According to a burner of the present invention, a stable combustion is obtained in a wide range from a high-load operation condition to a low-load operation condition even in the case of low quality solid fuel such as brown coal. The amount of air supplied from additional air holes or additional air nozzles 12 can be adjusted depending on the combustion load of furnace 41. At a low load, the amount of air supplied from additional air holes or additional air nozzles 12 is increased, whereby the oxygen concentration in a recirculation zones 19 formed downstream of the outside of a fuel nozzle 11 exit, permits a stable combustion. At a high load, the amount of air supplied from additional air holes or additional air nozzles 12 is reduced, whereby a flame is formed in a position far from the fuel nozzle 11. This suppresses thermal radiation onto a solid fuel burner 42 structure and a furnace 41 wall. The solid fuel burner 42 is applicable to combustion using low-quality solid fuel such as brown coal and exhaust gas as the carrier gas.

摘要翻译： 根据本发明的燃烧器，即使在低质量的固体燃料（例如褐煤）的情况下，也能从高负载运行状态到低负载运行状态的宽范围内获得稳定的燃烧。空气量 可以根据炉41的燃烧负荷来调节从附加的空气孔供给的附加的空气喷嘴12或附加的空气喷嘴12.在低负载下，从附加的空气孔或附加的空气喷嘴12供应的空气量增加， 形成在燃料喷嘴11外侧的下游的再循环区域19可以稳定地燃烧。 在高负载下，从附加空气孔或附加空气喷嘴12供应的空气量减少，从而在远离燃料喷嘴11的位置形成火焰。这抑制了对固体燃料燃烧器42结构的热辐射和 炉41墙。 固体燃料燃烧器42适用于使用诸如褐煤和废气的低质量固体燃料作为载气的燃烧。

公开(公告)号：US07681508B2

公开(公告)日：2010-03-23

申请号：US11263035

申请日：2005-11-01

申请人： Masayuki Taniguchi ,  Kenji Yamamoto ,  Hirofumi Okazaki ,  Kazumi Yasuda ,  Kenji Kiyama ,  Takanori Yano ,  Akira Baba

发明人： Masayuki Taniguchi ,  Kenji Yamamoto ,  Hirofumi Okazaki ,  Kazumi Yasuda ,  Kenji Kiyama ,  Takanori Yano ,  Akira Baba

IPC分类号： F23B5/00

CPC分类号： F23C6/045 ,  F23C7/02 ,  F23C2201/101 ,  F23C2900/06041 ,  F23L9/00

摘要： An after-air nozzle capable of reducing NOx and CO and a boiler equipped with such a nozzle are provided The after-air nozzle has a vena contracta such that an outside diameter of a flow passage diminishes towards the air-jetting port which supplies air to a boiler, and a changing apparatus changes a flow passage cross-sectional area of the vena contracta. A method of use of such an after-air nozzle and a boiler so equipped is also provided.

摘要翻译： 提供能够还原NO x和CO的空气喷嘴以及配备有这样的喷嘴的锅炉。空气喷嘴具有使得流路的外径向供给空气的空气喷射口减小的静脉收缩 锅炉和改变装置改变流道的横截面积。 还提供了这样的空气喷嘴和如此装备的锅炉的使用方法。

公开(公告)号：US20060090677A1

公开(公告)日：2006-05-04

申请号：US11263035

申请日：2005-11-01

申请人： Masayuki Taniguchi ,  Kenji Yamamoto ,  Hirofumi Okazaki ,  Kazumi Yasuda ,  Kenji Kiyama ,  Takanori Yano ,  Akira Baba

发明人： Masayuki Taniguchi ,  Kenji Yamamoto ,  Hirofumi Okazaki ,  Kazumi Yasuda ,  Kenji Kiyama ,  Takanori Yano ,  Akira Baba

IPC分类号： F23D1/00 ,  F23L9/00

CPC分类号： F23C6/045 ,  F23C7/02 ,  F23C2201/101 ,  F23C2900/06041 ,  F23L9/00

摘要： An after-air nozzle capable of reducing NOx and CO and a boiler equipped with such a nozzle are provided The after-air nozzle has a vena contracta such that an outside diameter of a flow passage diminishes towards the air-jetting port which supplies air to a boiler, and a changing apparatus changes a flow passage cross-sectional area the vena contracta. A method of use of such an after-air nozzle and a boiler so equipped is also provided.

摘要翻译： 提供能够还原NO x和CO的空气喷嘴以及配备有这样的喷嘴的锅炉。空气喷嘴具有使得流路的外径向供给空气的空气喷射口减小的静脉收缩 锅炉和更换装置改变流道的横截面积。 还提供了这样的空气喷嘴和如此装备的锅炉的使用方法。

公开(公告)号：US6112676A

公开(公告)日：2000-09-05

申请号：US115736

申请日：1998-07-15

申请人： Hirofumi Okazaki ,  Hironobu Kobayashi ,  Toshikazu Tsumura ,  Kenji Kiyama ,  Tadashi Jimbo ,  Kouji Kuramashi ,  Shigeki Morita ,  Shin-ichiro Nomura ,  Miki Shimogori

发明人： Hirofumi Okazaki ,  Hironobu Kobayashi ,  Toshikazu Tsumura ,  Kenji Kiyama ,  Tadashi Jimbo ,  Kouji Kuramashi ,  Shigeki Morita ,  Shin-ichiro Nomura ,  Miki Shimogori

IPC分类号： F23C99/00 ,  F23D1/00 ,  F23D1/02 ,  F23C1/12

CPC分类号： F23D1/00 ,  F23C2202/40 ,  F23C2900/09002

摘要： A pulverized coal burner includes a pulverized coal nozzle for jetting a mixture of pulverized coal and primary air, a secondary air nozzle and a tertiary air nozzle, concentrically arranged around the outer periphery of the pulverized coal nozzle, and a tube expanded portion at the end of a partition wall separating two adjacent air nozzles. A flow shift means such as a guide plate for shifting the secondary air in the secondary air nozzle so as to flow along the tube expanded portion is provided. The secondary air is jetted outwardly by the guide plate, and mixing of the secondary air and the tertiary air with pulverized coals is delayed, whereby an amount of NOx is decreased.

摘要翻译： 粉煤燃烧器包括用于喷射粉煤和一次空气的混合物的粉煤喷嘴，二次空气喷嘴和三次空气喷嘴，同心地布置在粉煤喷嘴的外周周围，并且在末端的管膨胀部分 分隔两个相邻的空气喷嘴的分隔壁。 提供了诸如用于使二次空气喷嘴中的二次空气沿管扩张部分流动的引导板的流动移动装置。 二次空气被引导板向外喷射，二次空气和三次空气与粉煤混合延迟，从而NOx的量减少。

公开(公告)号：US06189464B1

公开(公告)日：2001-02-20

申请号：US09238161

申请日：1999-01-28

申请人： Hirofumi Okazaki ,  Hironobu Kobayashi ,  Toshikazu Tsumura ,  Kenji Kiyama ,  Tadashi Jimbo ,  Kouji Kuramashi ,  Shigeki Morita ,  Shinichiro Nomura ,  Miki Shimogori

发明人： Hirofumi Okazaki ,  Hironobu Kobayashi ,  Toshikazu Tsumura ,  Kenji Kiyama ,  Tadashi Jimbo ,  Kouji Kuramashi ,  Shigeki Morita ,  Shinichiro Nomura ,  Miki Shimogori

IPC分类号： F23B700

CPC分类号： F23C7/02 ,  F23C6/045 ,  F23C2201/101 ,  F23D1/00

摘要： A combustion method utilizing a pulverized coal combustion burner which is provided with a pulverized coal nozzle for jetting a fluid mixture of pulverized coal and air and an air nozzle for jetting air. In the method, a combustion flame formed by the pulverized coal combustion burner forms a first zone of a gas phase air ratio of one or less at a radially central portion of the flame and a second zone of a gas phase air ratio of more than one outside of the first zone adjacent the coal nozzle, and a third zone of a gas phase air ratio of one or less at a downstream side from said first and second zones.

摘要翻译： 一种利用粉煤燃烧器的燃烧方法，其具有用于喷射粉煤和空气的流体混合物的粉煤喷嘴和用于喷射空气的空气喷嘴。 在该方法中，由粉煤燃烧器形成的燃烧火焰在火焰的径向中心部分处形成一个或多个气相空气比率的第一区域，并且气相空气比的第二区域多于一个 在与煤喷嘴相邻的第一区域外部，以及与所述第一和第二区域的下游侧的气相空气比为一个或更小的第三区域。