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公开(公告)号：US08505472B2
公开(公告)日：2013-08-13
申请号：US12160492
申请日：2007-01-10
申请人： Yuki Kamikawa , Masayuki Taniguchi , Hisayuki Orita , Hironobu Kobayashi , Akira Baba , Toshihiko Mine , Shinichirou Nomura , Noriyuki Ooyatsu , Satoshi Tadakuma , Hidehisa Yoshizako , Hiroaki Kanemoto , Kouji Kuramashi , Akihito Orii , Shinji Tsuda , Hirofumi Okazaki , Takanori Yano , Katsumi Shimohira
发明人： Yuki Kamikawa , Masayuki Taniguchi , Hisayuki Orita , Hironobu Kobayashi , Akira Baba , Toshihiko Mine , Shinichirou Nomura , Noriyuki Ooyatsu , Satoshi Tadakuma , Hidehisa Yoshizako , Hiroaki Kanemoto , Kouji Kuramashi , Akihito Orii , Shinji Tsuda , Hirofumi Okazaki , Takanori Yano , Katsumi Shimohira
CPC分类号： F23N3/002 , F22B1/22 , F23B5/02 , F23C5/28 , F23C7/008 , F23C7/04 , F23D1/005 , F23L9/04 , F23L13/06 , Y02E20/328
摘要： A pulverized coal-fired boiler efficiently supplies air to a central part of a furnace and the neighborhood of a furnace wall, thereby promoting mixture with combustion gas, and reducing both NOx and CO.The main after air ports are structured so as to jet air having a large momentum for enabling arrival at the central part of the furnace, and the sub-after air ports are structured so as to jet air having a small momentum to the neighborhood of the wall face of the furnace, and a sectional center of each of the sub-after air ports is within a range from 1 to 5 times of a caliber of the main after air ports from a sectional center of each of the main after air ports.
摘要翻译： 粉煤燃烧锅炉有效地向炉的中心部分和炉壁附近供应空气，从而促进与燃烧气体的混合，并且还可以减少NOx和CO。主后气道被构造成喷射空气 具有能够到达炉的中心部的大动量，并且副后空气构造成将具有小动量的空气喷射到炉壁面附近，并且每个 次后空气口的主后排气口的距离为主后排气口的口径的1〜5倍的范围。
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公开(公告)号：US20100224108A1
公开(公告)日：2010-09-09
申请号：US12160492
申请日：2007-01-10
申请人： Yuki Kamikawa , Masayuki Taniguchi , Hisayuki Orita , Hironobu Kobayashi , Akira Baba , Toshihiko Mine , Shinichirou Nomura , Noriyuki Ooyatsu , Satoshi Tadakuma , Hidehisa Yoshizako , Hiroaki Kanemoto , Kouji Kuramashi , Akihito Orii , Shinji Tsuda , Hirofumi Okazaki , Takanori Yano , Katsumi Shimohira
发明人： Yuki Kamikawa , Masayuki Taniguchi , Hisayuki Orita , Hironobu Kobayashi , Akira Baba , Toshihiko Mine , Shinichirou Nomura , Noriyuki Ooyatsu , Satoshi Tadakuma , Hidehisa Yoshizako , Hiroaki Kanemoto , Kouji Kuramashi , Akihito Orii , Shinji Tsuda , Hirofumi Okazaki , Takanori Yano , Katsumi Shimohira
CPC分类号： F23N3/002 , F22B1/22 , F23B5/02 , F23C5/28 , F23C7/008 , F23C7/04 , F23D1/005 , F23L9/04 , F23L13/06 , Y02E20/328
摘要： A pulverized coal-fired boiler efficiently supplies air to a central part of a furnace and the neighborhood of a furnace wall, thereby promoting mixture with combustion gas, and reducing both NOx and CO.The main after air ports are structured so as to jet air having a large momentum for enabling arrival at the central part of the furnace, and the sub-after air ports are structured so as to jet air having a small momentum to the neighborhood of the wall face of the furnace, and a sectional center of each of the sub-after air ports is within a range from 1 to 5 times of a caliber of the main after air ports from a sectional center of each of the main after air ports.
摘要翻译： 粉煤燃烧锅炉有效地向炉的中心部分和炉壁附近供应空气，从而促进与燃烧气体的混合，并且还可以减少NOx和CO。主后气道被构造成喷射空气 具有能够到达炉的中心部的大动量，并且副后空气构造成将具有小动量的空气喷射到炉壁面附近，并且每个 次后空气口的主后排气口的距离为主后排气口的口径的1〜5倍的范围。
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公开(公告)号：US20100031858A1
公开(公告)日：2010-02-11
申请号：US12513959
申请日：2007-11-06
申请人： Akihito Orii , Masayuki Taniguchi , Yuki Kamikawa , Hironobu Kobayashi , Miki Shimogouri , Toshihiko Mine , Shinichiro Nomura , Akira Baba , Yusuke Ochi , Koji Kuramashi
发明人： Akihito Orii , Masayuki Taniguchi , Yuki Kamikawa , Hironobu Kobayashi , Miki Shimogouri , Toshihiko Mine , Shinichiro Nomura , Akira Baba , Yusuke Ochi , Koji Kuramashi
CPC分类号： F23L7/002 , F23C7/02 , F23J2215/101 , F23L9/02 , F23L2900/07008 , F23L2900/07009
摘要： The present invention provides a highly reliable pulverized coal boiler that ensures suppression of a rise in flame temperature caused during the combustion of an unburnt gas in a furnace when combustion air is supplied from after-air ports so as to reduce the concentration of thermal NOx generated during the combustion.A pulverized coal boiler (100) according to the present invention comprising a furnace (1), burners (2) provided on the wall of the furnace for supplying pulverized coal to the inside of the furnace and burning the pulverized coal, and an after-air port (3 or 61) provided on the wall of the furnace at a position downstream of the burner for supplying combustion air to the inside of the furnace, the pulverized coal boiler further comprising: a spray nozzle (6) disposed near a jet port (3 or 60) of the after-air port for supplying water, steam, or two fluids including water and steam to the inside of the furnace; whereby the water, the steam, or the two fluids including water and steam are sprayed from the spray nozzle are supplied to the inside of the furnace together with the combustion air supplied from the after-air port.
摘要翻译： 本发明提供了一种高度可靠的粉煤锅炉，其确保了在从后空气供给燃烧空气时，在炉内的未燃烧气体燃烧时引起的火焰温度上升，从而降低生成的热NOx浓度 在燃烧期间。 根据本发明的粉煤锅炉（100）包括炉（1），设置在炉壁上的燃烧器（2），用于将粉煤供应到炉内并燃烧粉煤; 在燃烧器下游的位置设置在炉壁上的空气端口（3或61），用于向炉内供给燃烧空气，该粉煤锅炉还包括：喷嘴（6），设置在喷嘴附近 （3或60），用于将水，蒸汽或包括水和蒸汽的两种流体供应到炉内; 由此从喷雾喷嘴喷射的水，蒸汽或包括水和蒸汽的两种流体与从后空气供给的燃烧空气一起被供应到炉内。
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公开(公告)号：US06237510B1
公开(公告)日：2001-05-29
申请号：US09043425
申请日：1998-03-19
申请人： Toshikazu Tsumura , Kenji Kiyama , Tadashi Jimbo , Shigeki Morita , Koji Kuramashi , Kunio Okiura , Shinichiro Nomura , Miki Mori , Noriyuki Ohyatsu , Noboru Takarayama , Toshihiko Mine , Hironobu Kobayashi , Hirofumi Okazaki
发明人： Toshikazu Tsumura , Kenji Kiyama , Tadashi Jimbo , Shigeki Morita , Koji Kuramashi , Kunio Okiura , Shinichiro Nomura , Miki Mori , Noriyuki Ohyatsu , Noboru Takarayama , Toshihiko Mine , Hironobu Kobayashi , Hirofumi Okazaki
IPC分类号： F23C110
CPC分类号： F23D1/00 , F23C2201/20 , F23C2202/40 , F23C2900/09002 , F23D2201/20 , F23D2209/20 , F23K2201/103
摘要： A combustion burner includes a mixture nozzle (2) defining a mixture fluid passage through which a mixture fluid (1) containing pulverized coal and conveyor gas flows toward a furnace, secondary and tertiary air passages surrounding the mixture nozzle (2), through which secondary air (6) and tertiary air (9) for combustion purposes flow, respectively; and air injection nozzles (24) provided in the vicinity of an outer periphery of a distal end of the mixture nozzle (2). The air (21) is injected from the air injection nozzles (24) toward the axis of the mixture nozzle, so that the high-temperature gas in the vicinity of the outer periphery of the distal end of the mixture nozzle (2) is drawn into the mixture fluid (1) in the vicinity of the outer periphery of this distal end.
摘要翻译： 燃烧器包括限定混合流体通道的混合喷嘴（2），含有粉煤和输送气体的混合流体（1）通过该混合流体通道流向炉子，二次和三次空气通道围绕混合物喷嘴（2），二次 空气（6）和三次空气（9）分别用于燃烧目的流动; 以及设置在混合喷嘴（2）的前端的外周附近的空气喷射喷嘴（24）。 空气（21）从空气注入喷嘴（24）朝向混合喷嘴的轴线注入，使得混合喷嘴（2）的远端外周附近的高温气体被拉出 在该远端的外周附近的混合流体（1）中。
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公开(公告)号：US20130291772A1
公开(公告)日：2013-11-07
申请号：US13825559
申请日：2011-09-30
申请人： Toshihiko Mine , Kenji Kiyama , Koji Kuramashi , Kenichi Ochi , Hirofumi Okazaki
发明人： Toshihiko Mine , Kenji Kiyama , Koji Kuramashi , Kenichi Ochi , Hirofumi Okazaki
CPC分类号： F23D1/005 , F22B1/18 , F23C9/003 , F23C2201/20 , F23C2206/102 , F23D1/00 , F23D2201/10 , F23D2201/20 , F23J15/02 , F23K1/00 , F23L7/007 , F23L2900/07001 , F23L2900/07003 , F23L2900/07006 , F23L2900/07007 , Y02E20/322 , Y02E20/344
摘要： An oxygen combustion system includes a boiler to burn fuel using combustion gas composed of oxygen-rich gas and circulating flue gas, a dust remover disposed in a flue through which flue gas discharged from the boiler flows, a second flue leading the combustion gas to the boiler, the combustion gas being made by mixing the circulating flue gas extracted downstream of the dust remover with the oxygen-rich gas, a combustion gas heater exchanging heat between the flue gas flowing between the boiler and dust remover and the combustion gas flowing through the second flue, and a flue gas cooler disposed between the heater and the dust remover to cool the flue gas. A control unit controls at least one of a flow rate and cooling medium temperature of the flue gas cooler such that temperature of the flue gas introduced into the dust remover will be between 90° C. and 140° C.
摘要翻译： 氧气燃烧系统包括使用由富氧气体和循环烟道气组成的燃烧气体燃烧燃料的锅炉，设置在烟道中排出的烟道的除尘器，通过该烟道排出烟道气流过的第二烟道， 锅炉，通过将从除尘器下游提取的循环烟道气与富氧气体混合而形成的燃烧气体，在锅炉和除尘器之间流动的烟道气与流过锅炉的燃烧气体之间交换热量的燃烧气体加热器 第二烟道和布置在加热器和除尘器之间的烟道气体冷却器以冷却烟道气。 控制单元控制烟气冷却器的流量和冷却介质温度中的至少一个，使得引入除尘器的烟道气的温度将在90℃和140℃之间。
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公开(公告)号：US09429319B2
公开(公告)日：2016-08-30
申请号：US13876516
申请日：2011-10-12
CPC分类号： F23L7/007 , F23C9/00 , F23C9/08 , F23J15/02 , F23L2900/07001 , Y02E20/322 , Y02E20/344
摘要： To inhibit corrosion of water wall tubes of a boiler and stabilize combustion on a burner during oxygen combustion operation, a boiler combustion system includes a boiler equipped with a burner and a two-staged combustion gas input port; a flue gas supply fan extracting flue gas from a flue gas treatment system via a flue gas circulation line; a combustion gas supply line, fuel carrier gas supply line, and two-staged combustion gas supply line branched off from the flue gas circulation line downstream of the flue gas supply fan; an oxygen supply line supplying oxygen-rich gas to the combustion gas supply line and fuel carrier gas supply line; combustion air supply fans; a switching unit switching operation between the flue gas supply fan and the combustion air supply fans; and dampers regulating gas flow rates on the combustion gas supply line and the two-staged combustion gas supply line, respectively.
摘要翻译： 为了抑制锅炉的水壁管的腐蚀并且在氧燃烧操作期间稳定燃烧器上的燃烧，锅炉燃烧系统包括装备有燃烧器和两级燃烧气体输入口的锅炉; 烟气供应风扇通过烟气循环管线从烟气处理系统中提取烟道气; 燃烧气体供应管线，燃料载体气体供应管线和从烟道气供应风扇下游的烟道气循环管线分支的两级燃烧气体供应管线; 向燃烧气体供给管线和燃料载体气体供给管线供给富氧气体的供氧管线; 助燃风机; 烟道气供应风扇和燃烧空气供应风扇之间的切换单元切换操作; 以及分别调节燃烧气体供应管线和两级燃烧气体供应管线上的气体流量的阻尼器。
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公开(公告)号：US20130252184A1
公开(公告)日：2013-09-26
申请号：US13876516
申请日：2011-10-12
CPC分类号： F23L7/007 , F23C9/00 , F23C9/08 , F23J15/02 , F23L2900/07001 , Y02E20/322 , Y02E20/344
摘要： To inhibit corrosion of water wall tubes of a boiler and stabilize combustion on a burner during oxygen combustion operation, a boiler combustion system includes a boiler equipped with a burner and a two-staged combustion gas input port; a flue gas supply fan extracting flue gas from a flue gas treatment system via a flue gas circulation line; a combustion gas supply line, fuel carrier gas supply line, and two-staged combustion gas supply line branched off from the flue gas circulation line downstream of the flue gas supply fan; an oxygen supply line supplying oxygen-rich gas to the combustion gas supply line and fuel carrier gas supply line; combustion air supply fans; a switching unit switching operation between the flue gas supply fan and the combustion air supply fans; and dampers regulating gas flow rates on the combustion gas supply line and the two-staged combustion gas supply line, respectively.
摘要翻译： 为了抑制锅炉的水壁管的腐蚀并且在氧燃烧操作期间稳定燃烧器上的燃烧，锅炉燃烧系统包括装备有燃烧器和两级燃烧气体输入口的锅炉; 烟气供应风扇通过烟气循环管线从烟气处理系统中提取烟道气; 燃烧气体供应管线，燃料载体气体供应管线和从烟道气供应风扇下游的烟道气循环管线分支的两级燃烧气体供应管线; 向燃烧气体供给管线和燃料载体气体供给管线供给富氧气体的供氧管线; 助燃风机; 烟道气供应风扇和燃烧空气供应风扇之间的切换单元切换操作; 以及分别调节燃烧气体供应管线和两级燃烧气体供应管线上的气体流量的阻尼器。
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