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公开(公告)号：EP2886956A1
公开(公告)日：2015-06-24
申请号：EP13879264.3
申请日：2013-08-09
发明人： MINE, Toshihiko , KIYAMA, Kenji , SHIMOGORI, Miki , TADAKUMA, Satoshi , WAKAMATSU, Hitoshi , OHYATSU, Noriyuki , KURAMASHI, Koji , OCHI, Kenichi , OCHI, Yusuke , OKAZAKI, Hirofumi
CPC分类号： F23D1/00 , F23C7/006 , F23C7/008 , F23D2201/20 , F23K3/02 , F23K2203/008 , F23K2203/201
摘要： Provided is a solid-fuel burner comprising: a venturi 7 having a constricting portion where the transverse cross section of a fuel passage is reduced in a fuel nozzle 8 for supplying a solid fuel; and a fuel concentrator 6 for diverting the flow in the nozzle 8 outward in the wake side of the venturi 7, and the nozzle 8 is formed so that (a) the aperture in the vicinity of an opening portion 32 of a boiler furnace wall surface 18 has a flat shape, (b) cross-sectional shape thereof orthogonal to a nozzle center axis C on the outer peripheral wall of the nozzle 8 is circular in a transverse cross section up to the constricting portion of the venturi 7, (c) a portion that has a gradually increasing degree of flatness is provided between the constricting portion and the opening portion 32, and (d) the flat shape in the opening portion 32 is where the degree of flatness reaches a maximum. There is obtained a solid-fuel burner in which a fuel concentration sufficient to ignite the fuel and stabilize the flames thereof is achieved in the outlet of the nozzle 8 while uniformity of fuel concentration in the circumferential direction is maintained, and a low-NOx concentration can be achieved in the fuel exhaust gas.
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公开(公告)号：EP3318801A1
公开(公告)日：2018-05-09
申请号：EP16817783.0
申请日：2016-06-22
CPC分类号： F23D1/02 , F23D1/00 , F23D2201/10 , F23D2201/20 , F23D2900/01001
摘要： This solid fuel burner (1) is provided with: a nozzle (9) that is provided around the central axis of the burner, that includes a straight tube section (2) having an opening opposed to a furnace (13), and a curved tube section (5) continuous with the straight tube section (2), and that sprays out, from the opening to the furnace (13), a fluid mixture which is of a solid fuel and carrier gas of the solid fuel and which is flowing in the curved tube section (5); a first swirler (6) that gives the fluid mixture a swirl at the burner central axis side of the straight tube section (2); and a second swirler (7) that gives, at the burner central axis side downstream of the first swirler (6), the fluid mixture a swirl opposite to that given by the first swirler (6). The fluid mixture flowing from the curved tube section (5) is moved radially from the central axis by the first swirler (6), and is given a counter-swirl by the second swirler (7) to reduce swirl intensity.
摘要翻译： 该固体燃料用燃烧器（1）具有：围绕燃烧器的中心轴设置的喷嘴（9），该喷嘴包括具有与炉（13）相对的开口的直管部（2） （5）与直管段（2）连续，并且从开口向炉（13）喷射固体燃料和固体燃料的载气的流体混合物并流动 在弯曲管段（5）中; 第一旋流器（6），其使流体混合物在直管部（2）的燃烧器中心轴侧产生涡流; 以及第二旋流器（7），其在第一旋流器（6）下游的燃烧器中心轴线侧处给予与第一旋流器（6）所给出的旋流相反的旋流。 从弯曲管部分（5）流出的流体混合物通过第一旋流器（6）从中心轴线径向地移动，并且由第二旋流器（7）给予反涡流以减小涡流强度。
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公开(公告)号：EP2886956B1
公开(公告)日：2017-06-28
申请号：EP13879264.3
申请日：2013-08-09
发明人： MINE, Toshihiko , KIYAMA, Kenji , SHIMOGORI, Miki , TADAKUMA, Satoshi , WAKAMATSU, Hitoshi , OHYATSU, Noriyuki , KURAMASHI, Koji , OCHI, Kenichi , OCHI, Yusuke , OKAZAKI, Hirofumi
CPC分类号： F23D1/00 , F23C7/006 , F23C7/008 , F23D2201/20 , F23K3/02 , F23K2203/008 , F23K2203/201
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4.发明公开SPRAY NOZZLE, AND BURNER AND COMBUSTION DEVICE EQUIPPED WITH SAME 有权SPRÜHDÜSEUND BRENNER SOWIE VERBRENNUNGSVORRICHTUNG DAMIT
公开(公告)号：EP2881662A1
公开(公告)日：2015-06-10
申请号：EP13827932.8
申请日：2013-08-05
CPC分类号： B05B1/044 , B05B7/025 , B05B7/0483 , B05B7/08 , F23D11/101 , F23D11/102 , F23D11/104 , F23D11/12 , F23D11/38 , F23D17/007
摘要： An object of the present invention is to provide a spray nozzle that can facilitate atomization of spray fluid and can also reduce the amount of spray medium to be used and a force with which the spray medium is pressurized.
To achieve the above object, a spray nozzle in the present invention, comprising: at least two spray fluid flow paths for flowing a spray fluid flows; at least two spray medium flow paths for flowing a spray medium, in each of which joins a relevant spray fluid flow path at a first joining part; at least two mixed fluid flow paths, in each of which a mixed fluid of the spray fluid and the spray medium that have joined together at the first joining part for flowing the mixed fluid and which are formed so as to face each other and allow mixed fluids to flow oppositely and have a second joining part at which the mixed fluids flowing oppositely collide with each other and join together; and an outlet hole from which the mixed fluids that have joined at the second joining part are jetted; wherein in each mixed fluid flow path, a bent part at which a direction of a flow of the mixed fluid is changed is formed between the first joining part and the second joining part.摘要翻译： 本发明的目的是提供一种喷嘴，其可以促进喷雾流体的雾化，并且还可以减少要使用的喷雾介质的量和喷雾介质被加压的力。 为了实现上述目的，本发明的喷嘴包括：用于使喷射流体流动的至少两个喷射流体流动路径; 用于使喷射介质流动的至少两个喷射介质流动路径，每个喷射介质流动路径在第一连接部分处连接相关的喷射流体流动路径; 至少两个混合流体流动路径，其中每个混合流体流动路径中的喷射流体和喷射介质的混合流体在第一接合部分处接合在一起以使混合流体流动并形成为彼此面对并允许混合 流体相对流动并且具有第二接合部分，混合流体彼此相反地碰撞并结合在一起; 以及喷出与第二接合部接合的混合流体的出口孔; 其特征在于，在所述混合流体流路中，在所述第一接合部与所述第二接合部之间形成有混合流体的流动方向变化的弯曲部。
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公开(公告)号：EP3276260B1
公开(公告)日：2020-08-05
申请号：EP16807320.3
申请日：2016-05-30
发明人： KIYAMA, Kenji , ICHINOSE, Toshimitsu , SHIMOGORI, Miki , MINE, Toshihiko , YAMAMOTO, Kenji , TANAKA, Ryuichiro , BABA, Akira , KURAMASHI, Koji , FUJIMURA, Koutaro , MATSUMOTO, Keigo
IPC分类号： F23D1/00
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公开(公告)号：EP3021046B1
公开(公告)日：2018-09-19
申请号：EP14823332.3
申请日：2014-07-08
发明人： KIYAMA, Kenji , SHIMOGORI, Miki , MINE, Toshihiko , TADAKUMA, Satoshi , OCHI, Kenichi , KURAMASHI, Koji , OCHI, Yusuke , BABA, Akira , KONDO, Yuki
CPC分类号： F23L9/04 , F23C5/28 , F23C6/045 , F23C2201/101 , F23L9/02
摘要： In accordance with the flow distribution of combustion gas including an unburned portion, an after-air port (AAP) arranged downstream of the two-stage combustion burner can effectively reduce the unburned portion by dividing as appropriate so as to avoid interaction, and by mixing together, two types of after-air having functions of linearity and spreading. As the configuration of this AAP (7), a primary nozzle (5) for supplying primary after-air (1) and having a vertical height greater than the horizontal width is provided in the center in the opening (17) of the AAP (7), a secondary nozzle (14) for supplying secondary after-air (11) is provided in the opening (17) outside of the primary nozzle (5), and one or more secondary after-air guide vanes (15) having a fixed or variable tilt angle relative to the after-air port center axis (C o ) are provided at the outlet of the said secondary nozzle (14) to deflect and supply the secondary after-air (11) horizontally to the left or right.
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公开(公告)号：EP2881662B1
公开(公告)日：2017-07-19
申请号：EP13827932.8
申请日：2013-08-05
CPC分类号： B05B1/044 , B05B7/025 , B05B7/0483 , B05B7/08 , F23D11/101 , F23D11/102 , F23D11/104 , F23D11/12 , F23D11/38 , F23D17/007
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公开(公告)号：EP3276260A1
公开(公告)日：2018-01-31
申请号：EP16807320.3
申请日：2016-05-30
发明人： KIYAMA, Kenji , ICHINOSE, Toshimitsu , SHIMOGORI, Miki , MINE, Toshihiko , YAMAMOTO, Kenji , TANAKA, Ryuichiro , BABA, Akira , KURAMASHI, Koji , FUJIMURA, Koutaro , MATSUMOTO, Keigo
IPC分类号： F23D1/00
摘要： A burner equipped with: an inside gas nozzle extending along an axis line while surrounding that axis line and capable of supplying to a furnace an oxygen-containing gas for inside combustion; a fuel supply nozzle that, when viewed in the direction along the axis line, surrounds the inside gas nozzle, and is capable of supplying to the furnace a fluid mixture of a solid powder fuel and a carrier gas; an outside gas nozzle that, when viewed in the direction along the axis line, surrounds the fuel supply nozzle, and is capable of supplying to the furnace an oxygen-containing gas for outside combustion; and a flow speed ratio adjustment mechanism capable of adjusting the relative flow speed ratio of the spray flow speed of the oxygen-containing gas for inside combustion and the spray flow speed of the oxygen-containing gas for outside combustion. Downstream from the outlet of the fuel supply nozzle, flame-holding regions are formed in the sprayed flow of the fluid mixture, these regions being formed respectively on the side of the sprayed flow of the oxygen-containing gas for inside combustion and on the side of the sprayed flow of the oxygen-containing gas for outside combustion.
摘要翻译： 一种燃烧器，其具备：内部气体喷嘴，其沿着轴线延伸且包围该轴线且能够向炉内供给用于内燃的含氧气体; 燃料供给喷嘴，其在沿着所述轴线方向观察时包围所述内部气体喷嘴，能够向所述炉内供给固体粉末燃料和载气的混合流体; 外部气体喷嘴，当沿着所述轴线方向观察时，所述外部气体喷嘴围绕所述燃料供应喷嘴，并且能够向所述炉供应用于外部燃烧的含氧气体; 和流动速度比调整机构，其能够调节所述含氧气体的喷射流速的相对流速比为内部燃烧和用于外部燃烧的含氧气体的喷射流速。 从燃料供给喷嘴的出口的下游，形成在流体混合物的喷流火焰保持区域，分别被形成在所述含氧气体的供内部燃烧的喷流的侧面，并且在侧面这些区域 用于外部燃烧的含氧气体的喷射流。
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公开(公告)号：EP3021046A1
公开(公告)日：2016-05-18
申请号：EP14823332.3
申请日：2014-07-08
发明人： KIYAMA, Kenji , SHIMOGORI, Miki , MINE, Toshihiko , TADAKUMA, Satoshi , OCHI, Kenichi , KURAMASHI, Koji , OCHI, Yusuke , BABA, Akira , KONDO, Yuki
CPC分类号： F23L9/04 , F23C5/28 , F23C6/045 , F23C2201/101 , F23L9/02
摘要： In accordance with the flow distribution of combustion gas including an unburned portion, an after-air port (AAP) arranged downstream of the two-stage combustion burner can effectively reduce the unburned portion by dividing as appropriate so as to avoid interaction, and by mixing together, two types of after-air having functions of linearity and spreading. As the configuration of this AAP (7), a primary nozzle (5) for supplying primary after-air (1) and having a vertical height greater than the horizontal width is provided in the center in the opening (17) of the AAP (7), a secondary nozzle (14) for supplying secondary after-air (11) is provided in the opening (17) outside of the primary nozzle (5), and one or more secondary after-air guide vanes (15) having a fixed or variable tilt angle relative to the after-air port center axis (C o ) are provided at the outlet of the said secondary nozzle (14) to deflect and supply the secondary after-air (11) horizontally to the left or right.
摘要翻译： 根据包括未燃烧部分的燃烧气体的流动分布，布置在两级燃烧器下游的后空气口（AAP）可以通过适当地分开以避免相互作用而有效地减少未燃烧部分，并且通过混合 一起，两种具有线性和扩展功能的后空气。 作为该AAP（7）的结构，在AAP（7）的开口部（17）的中央部设置有用于供给一次空气（1）的高度大于水平宽度的高度的主喷嘴（5） 7）中，在主喷嘴（5）的外部的开口（17）中设置用于供应二次后空气（11）的二次喷嘴（14），以及一个或多个二次后空气导流叶片（15） 在所述辅助喷嘴（14）的出口处提供相对于后空气口中心轴线（Co）的固定或可变的倾斜角度，以将所述辅助后空气（11）水平地偏转并向左或向右供应。
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