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公开(公告)号:US08607547B2
公开(公告)日:2013-12-17
申请号:US13132752
申请日:2009-12-04
申请人: Masazumi Tanoura , Kenji Muta , Minoru Danno , Masatoshi Katsuki , Yuuko Ujihara , Daishi Ueno , Takashi Fujinaga , Eiji Kato , Shinichiro Asami , Tadashi Aoki
发明人: Masazumi Tanoura , Kenji Muta , Minoru Danno , Masatoshi Katsuki , Yuuko Ujihara , Daishi Ueno , Takashi Fujinaga , Eiji Kato , Shinichiro Asami , Tadashi Aoki
CPC分类号: F01N3/208 , B01D53/90 , B01D53/9477 , B01D53/9495 , B01D2251/2067 , B01D2255/1021 , B01D2255/50 , F01N3/035 , F01N3/105 , F01N3/2006 , F01N3/2013 , F01N3/2046 , F01N11/00 , F01N2550/02 , F01N2550/22 , F01N2560/02 , F01N2560/021 , F01N2560/026 , F01N2560/14 , F01N2610/02 , F01N2900/1402 , Y02A50/2325 , Y02T10/24 , Y02T10/26
摘要: An object of the present invention is to provide a flue gas purifying device that can suppress leakage of ammonia and can efficiently decrease nitrogen oxides in flue gas. The object is achieved by a flue gas purifying device including: an exhaust pipe; a urea-water injecting unit that injects urea water into the exhaust pipe; a catalytic unit that includes a urea SCR catalyst that promotes a reaction between ammonia and nitrogen oxides and a support mechanism that supports the urea SCR catalyst in the exhaust pipe, and is arranged on a downstream side to a position where urea water is injected; a concentration measuring unit arranged on a downstream side to the catalytic unit in a flow direction of flue gas to measure an ammonia concentration in flue gas having passed through the urea SCR catalyst; and a control unit that controls injection of urea water by the urea-water injecting unit based on an ammonia concentration measured by the concentration measuring unit.
摘要翻译: 本发明的目的是提供一种能够抑制氨的泄漏并能够有效地降低烟道气中的氮氧化物的烟道气净化装置。 该目的是通过一种烟道气净化装置实现的,包括:排气管; 尿素水喷射单元,其将尿素水喷射到排气管中; 催化单元,其包括促进氨和氮氧化物之间的反应的尿素SCR催化剂和在排气管中支撑尿素SCR催化剂的支撑机构,并且被配置在下游侧到尿素水被注入的位置; 浓度测量单元,其布置在烟道气的流动方向的催化单元的下游侧,以测量通过所述尿素SCR催化剂的烟道气中的氨浓度; 以及控制单元,其基于由浓度测量单元测量的氨浓度来控制尿素水喷射单元的尿素水的喷射。
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公开(公告)号:US20110293483A1
公开(公告)日:2011-12-01
申请号:US13147109
申请日:2010-01-27
申请人: Masazumi Tanoura , Kenji Muta , Minoru Danno , Masatoshi Katsuki , Yuuko Ujihara , Daishi Ueno , Takashi Fujinaga , Eiji Kato , Shinichiro Asami , Tadashi Aoki , Kageharu Moriyama
发明人: Masazumi Tanoura , Kenji Muta , Minoru Danno , Masatoshi Katsuki , Yuuko Ujihara , Daishi Ueno , Takashi Fujinaga , Eiji Kato , Shinichiro Asami , Tadashi Aoki , Kageharu Moriyama
IPC分类号: B01D53/56
CPC分类号: F01N3/208 , B01D53/9431 , B01D2251/2067 , B01D2258/012 , F01N3/0821 , F01N3/2066 , F01N9/00 , F01N2560/021 , F01N2560/14 , F01N2610/02 , F01N2610/14 , Y02T10/24 , Y02T10/47
摘要: An object of the present invention is to provide a flue gas purifying device that can efficiently decrease nitrogen oxides in flue gas. This object is solved by including: an exhaust pipe that guides flue gas discharged from a burning appliance; a urea-water injecting unit that injects urea water into the exhaust pipe; a catalytic unit arranged on a downstream side to a position where urea water is injected in a flow direction of flue gas and having a urea SCR catalyst; a first ammonia-concentration measuring unit that measures a concentration of ammonia in flue gas at a measurement position in a region where the catalytic unit is arranged; a second ammonia-concentration measuring unit arranged on a downstream side to the catalytic unit in a flow direction of the flue gas, to measure a concentration of ammonia in the flue gas having passed through the urea SCR catalyst; and a control unit that controls injection of urea water by the urea-water injecting unit based on measurement results acquired by the first and second ammonia-concentration measuring units.
摘要翻译: 本发明的目的是提供一种能够有效地减少烟道气中的氮氧化物的烟道气净化装置。 该目的通过包括:引导从燃烧器具排出的烟道气的排气管来解决; 尿素水喷射单元,其将尿素水喷射到排气管中; 催化单元,其布置在下游侧到尿素水沿着烟道气的流动方向注入并具有尿素SCR催化剂的位置; 第一氨浓度测量单元,其测量在排列催化单元的区域中的测量位置的烟道气中的氨浓度; 第二氨浓度测量单元,其布置在烟道气流动方向上的催化单元的下游侧,以测量通过尿素SCR催化剂的烟道气中的氨浓度; 以及控制单元,其基于由所述第一和第二氨浓度测量单元获取的测量结果来控制由所述尿素水喷射单元喷射的尿素水。
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公开(公告)号:US20120047879A1
公开(公告)日:2012-03-01
申请号:US13147135
申请日:2010-01-27
申请人: Yuuko Ujihara , Masazumi Tanoura , Kenji Muta , Minoru Danno , Masatoshi Katsuki , Daishi Ueno , Takashi Fujinaga , Eiji Kato , Shinichiro Asami , Tadashi Aoki
发明人: Yuuko Ujihara , Masazumi Tanoura , Kenji Muta , Minoru Danno , Masatoshi Katsuki , Daishi Ueno , Takashi Fujinaga , Eiji Kato , Shinichiro Asami , Tadashi Aoki
IPC分类号: F01N3/10
CPC分类号: B01D53/9409 , B01D2251/2062 , B01D2255/91 , B01D2258/012 , F01N3/0821 , F01N3/208 , F01N2560/021 , F01N2610/02 , F01N2610/14 , Y02T10/24
摘要: A flue gas purifying device includes an exhaust pipe that guides flue gas discharged from an internal combustion engine; a catalytic unit that is arranged on a downstream side to the internal combustion engine in a flow direction of flue gas and includes a nitrogen-oxide storage-reduction catalyst that stores nitrogen oxides contained in flue gas and a support mechanism that is arranged in the exhaust pipe and supports the nitrogen-oxide storage-reduction catalyst in the exhaust pipe; a reducing-agent injecting unit that injects a reducing agent to the catalytic unit in the exhaust pipe; a concentration measuring unit that is arranged on a downstream side to the catalytic unit in the flow direction of flue gas and measures a concentration of nitrogen oxides in flue gas having passed through the nitrogen-oxide storage-reduction catalyst; and a control unit that controls whether to inject the reducing agent from the reducing-agent injecting unit based on a concentration of nitrogen oxides measured by the concentration measuring unit.
摘要翻译: 一种烟道气净化装置,具备引导从内燃机排出的烟气的排气管, 催化单元,其布置在烟道气的流动方向的内燃机的下游侧,并且包括存储在烟道气中的氮氧化物的氮氧化物储存还原催化剂和布置在排气中的支撑机构 并在排气管中支撑氮氧化物储存还原催化剂; 还原剂注入单元,其将排气管中的催化单元注入还原剂; 浓度测量单元,其布置在烟道气流动方向上的催化单元的下游侧,并测量通过氮氧化物储存还原催化剂的烟道气中的氮氧化物的浓度; 以及控制单元,其基于由浓度测量单元测量的氮氧化物的浓度来控制是否从还原剂注入单元注入还原剂。
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公开(公告)号:US20110239629A1
公开(公告)日:2011-10-06
申请号:US13132752
申请日:2009-12-04
申请人: Masazumi Tanoura , Kenji Muta , Minoru Danno , Masatoshi Katsuki , Yuuko Ujihara , Daishi Ueno , Takashi Fujinaga , Eiji Kato , Shinichiro Asami , Tadashi Aoki
发明人: Masazumi Tanoura , Kenji Muta , Minoru Danno , Masatoshi Katsuki , Yuuko Ujihara , Daishi Ueno , Takashi Fujinaga , Eiji Kato , Shinichiro Asami , Tadashi Aoki
IPC分类号: F01N11/00
CPC分类号: F01N3/208 , B01D53/90 , B01D53/9477 , B01D53/9495 , B01D2251/2067 , B01D2255/1021 , B01D2255/50 , F01N3/035 , F01N3/105 , F01N3/2006 , F01N3/2013 , F01N3/2046 , F01N11/00 , F01N2550/02 , F01N2550/22 , F01N2560/02 , F01N2560/021 , F01N2560/026 , F01N2560/14 , F01N2610/02 , F01N2900/1402 , Y02A50/2325 , Y02T10/24 , Y02T10/26
摘要: An object of the present invention is to provide a flue gas purifying device that can suppress leakage of ammonia and can efficiently decrease nitrogen oxides in flue gas. The object is achieved by a flue gas purifying device including: an exhaust pipe; a urea-water injecting unit that injects urea water into the exhaust pipe; a catalytic unit that includes a urea SCR catalyst that promotes a reaction between ammonia and nitrogen oxides and a support mechanism that supports the urea SCR catalyst in the exhaust pipe, and is arranged on a downstream side to a position where urea water is injected; a concentration measuring unit arranged on a downstream side to the catalytic unit in a flow direction of flue gas to measure an ammonia concentration in flue gas having passed through the urea SCR catalyst; and a control unit that controls injection of urea water by the urea-water injecting unit based on an ammonia concentration measured by the concentration measuring unit.
摘要翻译: 本发明的目的是提供一种能够抑制氨的泄漏并能够有效地降低烟道气中的氮氧化物的烟道气净化装置。 该目的是通过一种烟道气净化装置实现的,包括:排气管; 尿素水喷射单元,其将尿素水喷射到排气管中; 催化单元,其包括促进氨和氮氧化物之间的反应的尿素SCR催化剂和在排气管中支撑尿素SCR催化剂的支撑机构,并且设置在下游侧到尿素水注入的位置; 浓度测量单元,其布置在烟道气的流动方向的催化单元的下游侧,以测量通过所述尿素SCR催化剂的烟道气中的氨浓度; 以及控制单元,其基于由浓度测量单元测量的氨浓度来控制尿素水喷射单元的尿素水的喷射。
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公开(公告)号:US09051863B2
公开(公告)日:2015-06-09
申请号:US13147109
申请日:2010-01-27
申请人: Masazumi Tanoura , Kenji Muta , Minoru Danno , Masatoshi Katsuki , Yuuko Ujihara , Daishi Ueno , Takashi Fujinaga , Eiji Kato , Shinichiro Asami , Tadashi Aoki , Kageharu Moriyama
发明人: Masazumi Tanoura , Kenji Muta , Minoru Danno , Masatoshi Katsuki , Yuuko Ujihara , Daishi Ueno , Takashi Fujinaga , Eiji Kato , Shinichiro Asami , Tadashi Aoki , Kageharu Moriyama
CPC分类号: F01N3/208 , B01D53/9431 , B01D2251/2067 , B01D2258/012 , F01N3/0821 , F01N3/2066 , F01N9/00 , F01N2560/021 , F01N2560/14 , F01N2610/02 , F01N2610/14 , Y02T10/24 , Y02T10/47
摘要: An object of the present invention is to provide a flue gas purifying device that can efficiently decrease nitrogen oxides in flue gas. This object is solved by including: an exhaust pipe that guides flue gas discharged from a burning appliance; a urea-water injecting unit that injects urea water into the exhaust pipe; a catalytic unit arranged on a downstream side to a position where urea water is injected in a flow direction of flue gas and having a urea SCR catalyst; a first ammonia-concentration measuring unit that measures a concentration of ammonia in flue gas at a measurement position in a region where the catalytic unit is arranged; a second ammonia-concentration measuring unit arranged on a downstream side to the catalytic unit in a flow direction of the flue gas, to measure a concentration of ammonia in the flue gas having passed through the urea SCR catalyst; and a control unit that controls injection of urea water by the urea-water injecting unit based on measurement results acquired by the first and second ammonia-concentration measuring units.
摘要翻译: 本发明的目的是提供一种能够有效地减少烟道气中的氮氧化物的烟道气净化装置。 该目的通过包括:引导从燃烧器具排出的烟道气的排气管来解决; 尿素水喷射单元,其将尿素水喷射到排气管中; 催化单元,其布置在下游侧到尿素水沿着烟道气的流动方向注入并具有尿素SCR催化剂的位置; 第一氨浓度测量单元,其测量在排列催化单元的区域中的测量位置的烟道气中的氨浓度; 第二氨浓度测量单元,其布置在烟道气流动方向上的催化单元的下游侧,以测量通过尿素SCR催化剂的烟道气中的氨浓度; 以及控制单元,其基于由所述第一和第二氨浓度测量单元获取的测量结果来控制由所述尿素水喷射单元喷射的尿素水。
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公开(公告)号:US20110019193A1
公开(公告)日:2011-01-27
申请号:US12922898
申请日:2009-04-15
申请人: Minoru Danno , Kenji Muta , Masazumi Tanoura , Masatoshi Katsuki , Yuuko Ujihara
发明人: Minoru Danno , Kenji Muta , Masazumi Tanoura , Masatoshi Katsuki , Yuuko Ujihara
CPC分类号: G01N21/39 , G01J3/4338 , G01N21/274 , G01N21/3504 , G01N21/534 , G01N21/85 , G01N2201/06113
摘要: Disclosed are method and apparatus for measuring density, that can simultaneously measure gaseous substance density and solid particulate material density and further can simultaneously measure the densities of a plurality of materials such as black smoke, white smoke, and water vapor in the solid particulate material in a simple and reliable manner. The method for measuring density comprises applying a laser beam having an absorption wavelength inherent in a gaseous material contained in an object to be measured, to the object to detect a light transmittance and a light absorption amount and detecting the density of gaseous materials in the object and the density of solid particulate materials in the object. The relationship between the density of a plurality of kinds of solid particulate materials including black smoke and white smoke and a laser beam attenuation level in each absorption wavelength is preset. Laser beams having a plurality of respective absorption wavelengths are applied to the gaseous substance to be measured. The attenuation levels of the applied laser beams having the plurality of absorption wavelengths are measured. The measured attenuation levels are compared with the attenuation levels calculated based on the present relationship to calculate the densities of the plurality of kinds of solid particulate materials.
摘要翻译: 公开了用于测量密度的方法和装置,其可以同时测量气态物质密度和固体颗粒材料密度,并且还可以同时测量固体颗粒材料中多种材料如黑烟,白烟和水蒸气的密度 一种简单可靠的方式。 测量密度的方法包括将包含在待测物体中的气态材料中具有固有吸收波长的激光束施加到物体上,以检测透光率和光吸收量,并检测物体中气态物质的密度 以及物体中固体颗粒材料的密度。 预先设定包括黑烟和白烟的多种固体颗粒材料的密度与每种吸收波长中的激光束衰减水平之间的关系。 将具有多个相应吸收波长的激光束施加到待测量的气态物质上。 测量具有多个吸收波长的所施加的激光束的衰减水平。 将测量的衰减水平与基于当前关系计算的衰减水平进行比较,以计算多种固体颗粒材料的密度。
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公开(公告)号:US08237926B2
公开(公告)日:2012-08-07
申请号:US12922898
申请日:2009-04-15
申请人: Minoru Danno , Kenji Muta , Masazumi Tanoura , Masatoshi Katsuki , Yuuko Ujihara
发明人: Minoru Danno , Kenji Muta , Masazumi Tanoura , Masatoshi Katsuki , Yuuko Ujihara
IPC分类号: G01N21/00
CPC分类号: G01N21/39 , G01J3/4338 , G01N21/274 , G01N21/3504 , G01N21/534 , G01N21/85 , G01N2201/06113
摘要: A method and apparatus for measuring density which can simultaneously measure gaseous substance density and solid particulate material density and further can simultaneously measure the densities of a plurality of materials such as black smoke, white smoke, and water vapor. The method includes irradiating a laser having at least one wavelength equivalent to an absorption wavelength of each gaseous substance to be measured.
摘要翻译: 用于测量密度的方法和装置,其可以同时测量气态物质密度和固体颗粒材料密度,并且还可以同时测量多种材料如黑烟,白烟和水蒸气的密度。 该方法包括照射具有至少一个波长相当于待测量的每种气态物质的吸收波长的激光。
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公开(公告)号:US20100242864A1
公开(公告)日:2010-09-30
申请号:US12679840
申请日:2008-09-03
申请人: Masazumi Tanoura , Shuuji Fujii , Masatoshi Katsuki , Daishi Ueno , Yuko Ujihara
发明人: Masazumi Tanoura , Shuuji Fujii , Masatoshi Katsuki , Daishi Ueno , Yuko Ujihara
CPC分类号: F01N9/00 , B01D53/9418 , B01D53/944 , B01D53/9459 , B01D53/9477 , B01D2251/102 , B01D2251/202 , B01D2251/2062 , B01D2255/102 , B01D2255/50 , B01D2258/012 , C01B3/366 , C01B3/508 , C01B13/0207 , C01B13/0248 , C01B13/10 , C25B1/04 , F01N3/021 , F01N3/10 , F01N3/2066 , F01N13/009 , F01N2240/25 , F01N2240/34 , F01N2610/04 , Y02A50/2325 , Y02E60/366 , Y02T10/24 , Y02T10/47
摘要: An exhaust gas purification system, which upgrades exhaust gas purification while curtailing an increase in an operating cost, is disclosed. The exhaust gas purification system comprises an SCR catalyst for reducing and removing nitrogen oxides in an exhaust gas from an engine (10) by bringing the nitrogen oxides into contact with a reducing agent, oxidation catalysts (11, 17) for oxidizing gas components in the exhaust gas, a water electrolysis device (24) for producing oxygen by electrolyzing water, and an oxygen supply pipe (29) for supplying the oxygen produced by the water electrolysis device (24) to the exhaust gas.
摘要翻译: 公开了一种在降低运行成本的同时提高排气净化的废气净化系统。 废气净化系统包括SCR催化剂,用于通过使氮氧化物与还原剂接触来还原和去除来自发动机(10)的废气中的氮氧化物,用于氧化氧化物中的气体组分的氧化催化剂(11,17) 废气,通过电解水生产氧气的水电解装置(24),以及用于将由水电解装置(24)产生的氧气供给到废气的供氧管(29)。
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公开(公告)号:US08468807B2
公开(公告)日:2013-06-25
申请号:US12679597
申请日:2008-09-03
申请人: Masatoshi Katsuki , Masazumi Tanoura , Shuuji Fujii , Daishi Ueno , Yuko Ujihara
发明人: Masatoshi Katsuki , Masazumi Tanoura , Shuuji Fujii , Daishi Ueno , Yuko Ujihara
CPC分类号: B01D53/9495 , B01D53/9477 , B01D2251/202 , B01D2257/404 , B01D2257/702 , B01D2258/012 , B01D2259/816 , F01N3/005 , F01N3/0814 , F01N3/0842 , F01N3/208 , F01N9/00 , F01N13/0093 , F01N2240/25 , F01N2240/30 , F01N2240/34 , F01N2560/025 , F01N2560/026 , F01N2560/06 , F01N2610/02 , F01N2610/04 , F01N2610/1406 , F01N2900/0411 , F01N2900/0412 , F01N2900/0601 , F01N2900/08 , F01N2900/1404 , F02D41/1447 , F02D41/1454 , F02D41/146 , F02D41/1462 , F02D41/402 , F02D2041/1433 , F02D2041/1468 , F02D2041/147 , Y02A50/2325 , Y02T10/24 , Y02T10/47
摘要: An exhaust gas purification system which, in a wider temperature range, can reduce and remove nitrogen oxides in an exhaust gas by a reduction catalyst with the use of hydrogen as a reducing agent is provided. The exhaust gas purification system has an electronic control device (41) which controls an EGR valve (4) and an EGR pipe (5) so that the concentration of oxygen in the exhaust gas obtained from a data map based on the state of an engine (10) becomes less than a predetermined value, and which controls a microreactor (19) so that hydrogen is added to the exhaust gas when the concentration of oxygen in the exhaust gas is less than the predetermined value.
摘要翻译: 提供了一种废气净化系统,其在更宽的温度范围内可以通过使用氢作为还原剂的还原催化剂来还原和除去废气中的氮氧化物。 排气净化系统具有控制EGR阀(4)和EGR管(5)的电子控制装置(41),使得根据发动机的状态从数据图获得的废气中的氧浓度 (10)变得小于预定值,并且当废气中的氧浓度小于预定值时,控制微反应器(19)使得将氢气添加到废气中。
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公开(公告)号:US08281577B2
公开(公告)日:2012-10-09
申请号:US12679840
申请日:2008-09-03
申请人: Masazumi Tanoura , Shuuji Fujii , Masatoshi Katsuki , Daishi Ueno , Yuko Ujihara
发明人: Masazumi Tanoura , Shuuji Fujii , Masatoshi Katsuki , Daishi Ueno , Yuko Ujihara
IPC分类号: F01N3/10
CPC分类号: F01N9/00 , B01D53/9418 , B01D53/944 , B01D53/9459 , B01D53/9477 , B01D2251/102 , B01D2251/202 , B01D2251/2062 , B01D2255/102 , B01D2255/50 , B01D2258/012 , C01B3/366 , C01B3/508 , C01B13/0207 , C01B13/0248 , C01B13/10 , C25B1/04 , F01N3/021 , F01N3/10 , F01N3/2066 , F01N13/009 , F01N2240/25 , F01N2240/34 , F01N2610/04 , Y02A50/2325 , Y02E60/366 , Y02T10/24 , Y02T10/47
摘要: An exhaust gas purification system, which upgrades exhaust gas purification while curtailing an increase in an operating cost, is disclosed. The exhaust gas purification system comprises an SCR catalyst for reducing and removing nitrogen oxides in an exhaust gas from an engine (10) by bringing the nitrogen oxides into contact with a reducing agent, oxidation catalysts (11, 17) for oxidizing gas components in the exhaust gas, a water electrolysis device (24) for producing oxygen by electrolyzing water, and an oxygen supply pipe (29) for supplying the oxygen produced by the water electrolysis device (24) to the exhaust gas.
摘要翻译: 公开了一种在降低运行成本的同时提高排气净化的废气净化系统。 废气净化系统包括SCR催化剂,用于通过使氮氧化物与还原剂接触来还原和去除来自发动机(10)的废气中的氮氧化物,用于氧化氧化物中的气体组分的氧化催化剂(11,17) 废气,通过电解水生产氧气的水电解装置(24),以及用于将由水电解装置(24)产生的氧气供给到废气的供氧管(29)。
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