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1. 发明专利

JP2011052871A Combustion device 审中-公开
标题翻译：燃烧装置
公开(公告)号：JP2011052871A
公开(公告)日：2011-03-17
申请号：JP2009200686
申请日：2009-08-31
申请人： Babcock Hitachi Kk , バブコック日立株式会社
发明人： OCHI YUSUKE , KURAMASU KIMIHARU , KIYAMA KENJI , OKAZAKI HIROFUMI
IPC分类号： F23D1/00 , F23C99/00 , F23L1/00
摘要： PROBLEM TO BE SOLVED: To provide a combustion device varying the orientation of flame of burners 19 to a furnace vertical direction according to the combustion conditions, such as the load and making design temperature of a rear transfer surface equivalent to that in conventional cases. SOLUTION: The combustion device includes a cylindrical fuel nozzle 3 for injecting mixture of fuel and its carrying gas; and a wind box 12 having the burner 19, with a secondary air nozzle 8 provided on the outer periphery of the nozzle 3 and a flow passage for supplying combustion air to the nozzle 8. The wind box 12 provided in the inside or outside a duct arranged on an outer furnace wall is partitioned by partition plates 14 to form the plurality of parallel flow passages where secondary air is made to flow in parallel. A part of the plurality of air flow passages partitioned by the partition plates 14 is connected to the upper side of the secondary air nozzle 8, and the remainder is connected to the lower side of the nozzle 8; flow rate control dampers 15 for controlling the flow rate of combustion gas are provided independent of each other; and by controlling openings of the dampers 15, momentum of the combustion air injected from the nozzle of the burner 19 can be controlled independently on the upper and lower sides of the burner 19. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种燃烧装置，其根据燃烧条件改变燃烧器19的火焰朝向炉垂直方向的方向，例如负载并使后转印表面的设计温度等同于常规的案例。解决方案：燃烧装置包括用于喷射燃料和其携带气体的混合物的圆柱形燃料喷嘴3; 以及具有燃烧器19的风箱12，设置在喷嘴3的外周上的二次空气喷嘴8和用于向喷嘴8供给燃烧空气的流路。设置在管道内部或外部的风箱12 布置在外炉壁上的隔板由隔板14分隔开，以形成多个平行的流动通道，使二次空气平行流动。由隔板14隔开的多个气流通道的一部分连接到二次空气喷嘴8的上侧，其余部分连接到喷嘴8的下侧; 提供用于控制燃烧气体的流量的流量控制阻尼器15彼此独立地提供; 并且通过控制阻尼器15的开口，可以在燃烧器19的上侧和下侧独立地控制从燃烧器19的喷嘴喷射的燃烧空气的动量。（C）2011年，JPO和INPIT

2. 发明专利

JP2011058737A Pulverized coal burning boiler 审中-公开
标题翻译：粉煤燃烧锅炉
公开(公告)号：JP2011058737A
公开(公告)日：2011-03-24
申请号：JP2009209877
申请日：2009-09-11
申请人： Babcock Hitachi Kk , バブコック日立株式会社
发明人： ORII AKIHITO , OKAZAKI HIROFUMI , OCHI YUSUKE
IPC分类号： F23L9/02 , F23C6/04 , F23C99/00
CPC分类号： F23C6/047 , F22B21/00 , F23C7/004 , F23C7/008 , F23C2201/101 , F23L9/04
摘要： PROBLEM TO BE SOLVED: To provide a pulverized coal burning boiler which reduces an unburned coal existing near the inner wall of a furnace and CO in the case wherein the opening part of an after-air-nozzle is formed into a rectangular shape.
SOLUTION: In this pulverized coal burning boiler, an opening as an outlet of an after air nozzle of a lower stage positioning on an upstream side of two stages of after air nozzles in an upper stage and a lower stage is formed into a rectangular shape, and a cylinder regulating the minimum flow passage area of the combustion air flowing in a flow passage of the after air nozzle is provided inside the after air nozzle of the lower stage along the flow passage of the after air nozzle of the lower stage. A turning blade for giving the turning force to the combustion air flowing in the flow passage of the after air nozzle is provided inside the cylinder. The flow passage of the after air nozzle of the lower stage is structured so that the flow passage area of the flow passage of the after air nozzle, wherein the combustion air flows toward the opening of the after air nozzle provided on a downstream side, is expanded from a position provided with the cylinder.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种粉煤燃烧锅炉，其在后空气喷嘴的开口部形成为矩形的情况下减少存在于炉内壁附近的未燃烧煤和CO 。解决方案：在该粉煤燃烧锅炉中，将位于上级和下级的后级空气喷嘴的两级上游侧的下级的后排气喷嘴的出口的开口形成为并且在下段的后排气喷嘴之后沿着下段的后排气喷嘴的流路设置限制在后排气喷嘴的流路中流动的燃烧空气的最小流路面积的气缸。在气缸内部设置有用于对在后排气喷嘴的流路中流动的燃烧空气赋予旋转力的转动刀片。下侧的后排气喷嘴的流路构成为使得燃烧空气向设置在下游侧的后喷嘴的开口流动的后排气喷嘴的流路的流路面积为从设置有气缸的位置膨胀。版权所有（C）2011，JPO＆INPIT

3. 发明专利

JP2009264654A Pulverized coal burner 审中-公开
标题翻译：粉煤燃烧器
公开(公告)号：JP2009264654A
公开(公告)日：2009-11-12
申请号：JP2008113963
申请日：2008-04-24
申请人： Babcock Hitachi Kk , バブコック日立株式会社
发明人： OCHI YUSUKE , KURAMASU KIMIHARU , OKAZAKI HIROFUMI
IPC分类号： F23D1/00 , F23C1/10 , F23C99/00 , F23D17/00
CPC分类号： F23D1/00 , F23C7/008 , F23D17/007 , F23D2201/10 , F23D2900/11402
摘要： PROBLEM TO BE SOLVED: To provide a pulverized coal burner that reduces the NOx concentration in combustion gas, while maintaining ignitability using a simple structure.
SOLUTION: In this pulverized coal burner (20) having an oil nozzle (6), a primary air nozzle (1), a pulverized coal nozzle (4), and air nozzles (2, 3), a fixed plate (15) and a movable member (16) are arranged on the inner peripheral wall of the front end of the primary air nozzle (1); the fixed plate (15) is provided with slit holes (15a), each having a pair of opposed wall surfaces having an opening area gradually reduced from the upstream side to the downstream side; the movable member is mounted upstream of the fixed plate in the primary air nozzle (1) so as to be able to advance and retract; the movable member has grids (16a), adapted to close the slit holes (15a) and arranged in a radial pattern, at positions that correspond to the slit holes (15a); the degree of insertion for each grid (16a) into a corresponding slit hole (15a) is adjusted, to close either of a pair of gaps formed between the grid (16a) or a pair of opposed surfaces of the slit hole, and to cause primary air ejected from the other gap to swirl; and the swirl flow of the primary air is ejected into a furnace, to facilitate mixing of the primary air with atomized oil ejected from the oil nozzle (6).
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种降低燃烧气体中的NOx浓度的粉煤燃烧器，同时通过简单的结构保持点火性。解决方案：在具有油嘴（6）的粉煤燃烧器（20）中，一次空气喷嘴（1），粉煤喷嘴（4）和空气喷嘴（2,3），固定板 15）和一次空气喷嘴（1）的前端的内周壁上设置有可动构件（16）。所述固定板（15）设置有狭缝孔（15a），每个所述狭缝孔具有从所述上游侧向下游侧逐渐减小的一对相对壁面; 可移动部件安装在一次空气喷嘴（1）中的固定板的上游，以便能够前进和后退; 所述可动构件具有栅格（16a），其适于在对应于所述狭缝孔（15a）的位置处封闭所述狭缝孔（15a）并以径向图案布置。调整每个格栅（16a）插入到对应的狭缝孔（15a）中的插入程度，以便闭合在格栅（16a）或狭缝孔的一对相对表面之间形成的一对间隙中的一个，并使从另一个间隙喷出的一次空气旋转; 并且一次空气的涡流被喷射到炉中，以便于一次空气与从喷油嘴（6）喷出的雾化油的混合。版权所有（C）2010，JPO＆INPIT

4. 发明专利

JP2013029270A Solid fuel burner 有权
标题翻译：固体燃料燃烧器
公开(公告)号：JP2013029270A
公开(公告)日：2013-02-07
申请号：JP2011166366
申请日：2011-07-29
申请人： Babcock Hitachi Kk , バブコック日立株式会社
发明人： MINE SATOHIKO , KURAMASU KIMIHARU , OCHI KENICHI , OCHI YUSUKE , SHIMOGOORI MIKI , OYATSU NORIYUKI , TADAKUMA SATOSHI
IPC分类号： F23D1/00
CPC分类号： F23D1/00 , F23D14/78 , F23D2201/10 , F23D2201/20 , F23D2214/00 , F23D2900/00016
摘要： PROBLEM TO BE SOLVED: To prevent burnout of a member at a burner outlet due to radiation from a furnace, to prevent attachment of ash, and to keep stability in ignition of a solid fuel and flaming stability without disturbing formation of high-temperature circulation flow at the burner outlet.SOLUTION: A first guide member 34 and a second guide member 35 at the back side of the first guide member of a secondary airflow 17 are disposed on an outlet end part of a nozzle 11 on a partition 29 as an outer peripheral wall of a fuel nozzle 11, the second guide member 35 is held by a plurality of cooling fins 36 evenly disposed over the whole periphery of the nozzle partition 29, and the first guide member 34 allows the secondary airflow 17a, and the secondary airflow 17b guided to a front side of the second guide member 35 from a clearance gap between the second guide member 35 and the partition 29, to flow outward from a central axis of the burner to cool the front side of the second guide member 35 and to prevent attachment of combustion ash, thus the stability in ignition of fuel and flame at the burner outlet is kept.
摘要翻译：要解决的问题：为了防止由于来自炉的辐射而在燃烧器出口处的部件烧坏，防止灰分附着，并且保持固体燃料的点燃稳定性和燃烧稳定性，而不会干扰高温的形成，燃烧器出口温度循环流量。解决方案：在二次气流17的第一引导构件的后侧的第一引导构件34和第二引导构件35设置在作为外周壁的隔壁29上的喷嘴11的出口端部燃料喷嘴11的第二引导构件35由均匀地设置在喷嘴隔板29的整个周边上的多个冷却翅片36保持，并且第一引导构件34允许二次气流17a和二次气流17b被引导从第二引导构件35和分隔件29之间的间隙到第二引导构件35的前侧，从燃烧器的中心轴线向外流动，以冷却第二引导构件35的前侧并防止附接的燃烧灰，因此保持燃烧器出口处的燃料和火焰的点燃稳定性。版权所有（C）2013，JPO＆INPIT

5. 发明专利

JP2009079794A Solid fuel burner, combustion device using the same, and its operation method 审中-公开
标题翻译：固体燃料燃烧器，使用它的燃烧装置及其操作方法
公开(公告)号：JP2009079794A
公开(公告)日：2009-04-16
申请号：JP2007247510
申请日：2007-09-25
申请人： Babcock Hitachi Kk , バブコック日立株式会社
发明人： OKAZAKI HIROFUMI , KURAMASU KIMIHARU , OCHI YUSUKE , BABA AKIRA , YANO TAKANORI
IPC分类号： F23D1/00 , F23C99/00 , F23N5/02
CPC分类号： F23D1/00 , F23C7/008 , F23C2201/20 , F23D2201/20
摘要： PROBLEM TO BE SOLVED: To provide a solid fuel burner 60, a combustion device using the solid fuel burner 60, and its operation method suitable for controlling flame formed in combustion of fuel injected from the burner, and temperature distribution in a furnace.
SOLUTION: A plurality of gas injection nozzles 81, 82 and a throttle portion (obstacle) 19 at the downstream are disposed in a fuel nozzle 10, and relatively much gas is injected from a part of the gas injection nozzle 81 so that the fuel concentration has a distribution in the circumferential direction. Further as the throttle portion (obstacle) 19 exists at the downstream side, deviation in fuel concentration is increased. As the deviation in fuel concentration exists in the circumferential direction, a flame forming position can be changed. A temperature of combustion gas at a furnace outlet, a temperature of a heat transfer tube disposed on a furnace wall surface, a temperature of the fluid flowing in the heat transfer tube, a temperature of the heat transfer tube disposed in the furnace or a flue portion at its downstream side, and a temperature of the fluid flowing in the heat transfer tube can be controlled to be constant by adjusting a flow rate of the gas flowing in the gas injection nozzles 81, 82.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种固体燃料燃烧器60，使用固体燃料燃烧器60的燃烧装置及其操作方法，其适用于控制从燃烧器喷射的燃料燃烧形成的火焰，以及炉中的温度分布。解决方案：多个气体喷射喷嘴81,82和下游的节流部分（障碍物）19设置在燃料喷嘴10中，并且相当多的气体从气体喷射喷嘴81的一部分喷射，使得燃料浓度在圆周方向上具有分布。此外，由于节流部（障碍物）19存在于下游侧，所以燃料浓度偏差增大。由于燃料浓度的偏差存在于圆周方向上，所以可以改变火焰形成位置。炉出口处的燃烧气体的温度，设置在炉壁表面上的传热管的温度，在传热管中流动的流体的温度，设置在炉中的传热管的温度或烟道通过调节在气体喷射喷嘴81,82中流动的气体的流量，可以将传热管中流动的流体的温度控制为恒定。（C） 2009年，JPO＆INPIT

6. 发明专利

JP2013019573A Solid fuel burner and boiler provided with the burner 审中-公开
标题翻译：具有燃烧器的固体燃料燃烧器和锅炉
公开(公告)号：JP2013019573A
公开(公告)日：2013-01-31
申请号：JP2011151766
申请日：2011-07-08
申请人： Babcock Hitachi Kk , バブコック日立株式会社
发明人： OYATSU NORIYUKI , SHIMOGOORI MIKI , MINE SATOHIKO , TADAKUMA SATOSHI , OCHI KENICHI , OCHI YUSUKE , IMOOKA NAOYA
IPC分类号： F23D1/00 , F23N5/08
摘要： PROBLEM TO BE SOLVED: To provide a solid fuel burner that does not produce malfunction of a frame detector (FD) and a boiler provided with the burner.SOLUTION: The solid fuel burner is sequentially provided with: an ignition burner 1 which uses liquid fuel in the center shaft part; a fuel nozzle 2 which belches solid fuel to the peripheral side of the ignition burner 1 together with a carried gas; and combustion gas nozzles 3 and 4 having a swivel means 4-1 which not only belches a combustion gas to the peripheral side of the fuel nozzle 1 but also grants the combustion gas to swivel around the center shaft C, and includes: an ignition torch 5 which ignites the liquid fuel belched from the ignition burner 1 extending inside a fire furnace through the combustion gas nozzles 3 and 4; and a frame detector 6 to detect the flame towards the inside of the fire furnace provided with a detection end in the belching area of the fire furnace of the combustion gas through the combustion gas nozzles 3 and 4. The frame detector 6 is disposed on the downstream side of the combustion air swirl flow by the angle 15 to 60° around the burner center shaft C from the ignition torch 5 installation position viewed from the fire furnace side in the extending direction of the burner center shaft.
摘要翻译：要解决的问题：提供不产生框架检测器（FD）和设置有燃烧器的锅炉的故障的固体燃料燃烧器。解决方案：固体燃料燃烧器依次设置有：在中心轴部分中使用液体燃料的点火燃烧器1; 燃料喷嘴2，其与固体气体一起将固体燃料与点燃式燃烧器1的周边相撞; 燃烧气体喷嘴3和4具有旋转装置4-1，其不仅将燃烧气体吹向燃料喷嘴1的周边，而且允许燃烧气体围绕中心轴C旋转，并且包括：点火炬 5，其通过燃烧气体喷嘴3和4点燃从火炉内延伸的点火燃烧器1所喷射的液体燃料; 以及框架检测器6，用于通过燃烧气体喷嘴3和4检测在燃烧气体的消防炉的膛形区域中设置有检测端的火炉内部的火焰。框架检测器6设置在燃烧空气的下游侧从燃烧器中心轴C的燃烧器中心轴C的延伸方向从点火炬5安装位置旋转流动角度为15°至60°，从火炉侧观察。版权所有（C）2013，JPO＆INPIT

7. 发明专利

JP2012247176A Solid fuel burner 有权
标题翻译：固体燃料燃烧器
公开(公告)号：JP2012247176A
公开(公告)日：2012-12-13
申请号：JP2011122022
申请日：2011-05-31
申请人： Babcock Hitachi Kk , バブコック日立株式会社
发明人： WAKAMATSU HITOSHI , SHIMOGOORI MIKI , OYATSU NORIYUKI , MINE SATOHIKO , TADAKUMA SATOSHI , OCHI KENICHI , KURAMASU KIMIHARU , OCHI YUSUKE
IPC分类号： F23C99/00 , F23D1/00
摘要： PROBLEM TO BE SOLVED: To provide a solid fuel burner that prevents the generation of an insufficient oxygen region by dispersing a solid fuel focused on a lower part of an inner wall of a solid fuel burner nozzle, thereby preventing reduction of flammability at an outlet of the burner.SOLUTION: As a member for supporting, in the solid fuel nozzle 3, a solid fuel concentrator 10 in the solid fuel burner 1, there is provided a dispersion supporting member 11 obtained by integrating a curved-plate-like base 11b along the inner wall of the solid fuel nozzle further downstream than an installation part of the solid fuel concentrator 10 with a plurality of supports 11a for supporting a lower surface of the solid fuel concentrator 10 from the lower part of the inner wall the a solid fuel burner nozzle 3 while plate-like members 11a parallel to a solid fuel channel are radially-arranged with respect to the center axis of the solid fuel burner 1.
摘要翻译：要解决的问题：提供一种固体燃料燃烧器，其通过将聚焦在固体燃料燃烧器喷嘴的内壁的下部上的固体燃料分散来防止产生不足的氧区域，从而防止燃烧燃烧器的燃烧性降低燃烧器的出口。解决方案：作为固体燃料喷嘴3中的固体燃料燃烧器1中的固体燃料浓缩器10的支撑部件，设置有通过使弯曲板状基部11b沿着一体化而形成的分散支撑部件11 固体燃料喷嘴的内壁比固体燃料集中器10的安装部分更下游，多个支撑件11a用于从内壁的下部支撑固体燃料集中器10的下表面，固体燃料燃烧器喷嘴3，而与固体燃料通道平行的板状部件11a相对于固体燃料燃烧器1的中心轴线径向排列。（C）2013，JPO＆INPIT

8. 发明专利

JP2012229891A Two-stage combustion method, and boiler using the two-stage combustion method 审中-公开
标题翻译：两级燃烧方法和使用两级燃烧方法的锅炉
公开(公告)号：JP2012229891A
公开(公告)日：2012-11-22
申请号：JP2011099521
申请日：2011-04-27
申请人： Babcock Hitachi Kk , バブコック日立株式会社
发明人： OYATSU NORIYUKI , TADAKUMA SATOSHI , KASHIMA ATSUSHI , OCHI YUSUKE
IPC分类号： F23C6/04 , F23J7/00 , F23L7/00
摘要： PROBLEM TO BE SOLVED: To provide a two-stage combustion method and a two-stage combustion boiler capable of reducing the emission of a NOx concentration.SOLUTION: The two-stage combustion boiler includes AAPs 3, 4 which are provided on the wall surface of one of a furnace 1 and a plurality of burners 2 provided in a plurality of stages in the vertical direction of one wall surface of the boiler furnace 1 and in a plurality of rows in a width direction thereof which are provided above the burners 2, and charge gas for two-stage combustion for completely burning combustion gas from the burners 2. Reducing agent charging ports 5 are provided in the vertical direction of the wall surface of the furnace opposed to the burners 2 and between the burners 2 and the AAPs 3, 4. L represents a distance between the uppermost burner 2 of the burners 2 and the vertical direction of the furnace of the lowermost AAPs 3, 4 on the wall surface opposed to the uppermost burner 2. The position of each reducing agent charging port 5 in the vertical direction of the wall surface of the furnace is set above the uppermost burner 2 within 1/3L-2/3L. Highly-concentrated NOx generated in a burner region is effectively reduced.
摘要翻译：要解决的问题：提供能够减少NOx浓度的排放的两级燃烧方法和二级燃烧锅炉。解决方案：两级燃烧锅炉包括AAP 3,4，它们设置在一炉壁1的壁表面和多个燃烧器2的壁表面上，多个燃烧器2在一个壁表面的垂直方向上设置有多个级锅炉炉1，并且设置在燃烧器2的上方的宽度方向的多列，并且对来自燃烧器2的燃烧气体进行完全燃烧的二级燃烧用的充气气体。减压剂装料口5 与燃烧器2相对的燃烧器2和燃烧器2和AAP3,4之间的炉壁表面的垂直方向.L表示燃烧器2的最上面的燃烧器2与最低AAP的炉的垂直方向之间的距离在与最上方的燃烧器2相对的壁面上的各个还原剂充填口5的位置在炉内壁的上下方向的位置设定在最上方的燃烧器2的1 / 3L-2 / 3L以内。在燃烧器区域产生的高度浓缩的NOx被有效地减少。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2014055759A Combustion device including solid fuel burner 有权
标题翻译：包括固体燃料燃烧器的燃烧装置
公开(公告)号：JP2014055759A
公开(公告)日：2014-03-27
申请号：JP2013164156
申请日：2013-08-07
申请人： Babcock-Hitachi Co Ltd , バブコック日立株式会社
发明人： SHIMOGOORI MIKI , KIYAMA KENJI , MINE SATOHIKO , TADAKUMA SATOSHI , WAKAMATSU HITOSHI , KURAMASU KIMIHARU , OCHI KENICHI , OCHI YUSUKE
IPC分类号： F23D1/00 , F23C99/00
CPC分类号： F23D1/00 , F23C7/006 , F23C7/008 , F23D2201/20 , F23K3/02 , F23K2203/008 , F23K2203/201
摘要： PROBLEM TO BE SOLVED: To provide a combustion device having a pulverized coal burner capable of realizing combustion of high efficiency and low NOx concentration, preventing attachment of ash and corrosion on a furnace wall face, and reducing unburned fuel loss due to unburned ash falling to a furnace hopper, in using a burner of high capacity, and having a flat fuel nozzle capable of realizing combustion of high efficiency and low NOx combustion by a single burner.SOLUTION: In a combustion device in which pulverized coal burners 31 respectively including a venturi 7 having a throttle portion, and a concentrator 6 in a fuel flow channel 2, and having a cross section which is circular by near the throttle portion and then gradually flattened in a lateral direction so that a degree of flatness becomes maximum at an opening portion 32 of a furnace wall face, are arranged in several stages and several rows on at least one face of a furnace wall surface 18, the inside of the furnace can be effectively utilized to perform the combustion of high efficiency and low NOx concentration, and attachment of ash and corrosion on a furnace side wall can be prevented, by properly positioning a width direction of a flat nozzles 8 of the burners 31 in a vertical and lateral directions.
摘要翻译：要解决的问题：提供一种具有能够实现高效率和低NOx浓度的燃烧的粉煤燃烧器的燃烧装置，防止灰分附着和炉壁面上的腐蚀，并且减少由于未燃烧的灰分而引起的未燃烧的燃料损失炉料斗，使用高容量的燃烧器，并且具有能够通过单个燃烧器实现高效率和低NOx燃烧的燃烧的扁平燃料喷嘴。解决方案：在分别包括文丘里管的粉煤燃烧器31的燃烧装置中， 7，具有节流部分，以及在燃料流路2中的集中器6，并且具有在节流部附近为圆形的横截面，然后在横向方向上逐渐变平，使得开口部处的平坦度变得最大 32的炉壁面在炉壁面18的至少一个表面上分几行排列，炉内可以是有效地利用了高效率和低NOx浓度的燃烧，并且通过将燃烧器31的扁平喷嘴8的宽度方向适当地定位在垂直和横向方向上，可以防止炉侧壁上灰尘和腐蚀的附着。

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