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    • 3. 发明专利
    • Carbon dioxide recovery system
    • 二氧化碳回收系统
    • JP2012144393A
    • 2012-08-02
    • JP2011003532
    • 2011-01-12
    • Hitachi Ltd株式会社日立製作所
    • SATO DAIKIKANAE MASAHITOSUGANO SHUICHIYOSHIKAWA KOHEI
    • C01B32/50B01D53/04B01D53/62
    • Y02A50/2342Y02C10/04Y02C10/08Y02P20/152
    • PROBLEM TO BE SOLVED: To provide a carbon dioxide recovery system whose recovery efficiency is improved by restraining lowering of capturing amount of carbon dioxide caused by an increase in the temperature of a capturing material or a container including the capturing material, when a solid carbon dioxide capturing material is used.SOLUTION: In the carbon dioxide recovery system for capturing and separating carbon dioxide from a carbon dioxide-containing gas containing carbon dioxide by using a solid carbon dioxide capturing material, a container for housing the solid capturing material, and a cooling pipe serving as a first cooling means, through which a cooling medium for cooling the capturing material flows down, are arranged at the inside of a wall member forming the container. Thereby, the rise in the temperature of the capturing material housed in the container is restrained by allowing the cooling medium to flow through the cooling pile.
    • 要解决的问题:提供一种二氧化碳回收系统,其回收效率通过抑制由捕获材料或包括捕获材料的容器的温度升高而引起的二氧化碳捕获量的降低而得到改善,当 使用固体二氧化碳捕获材料。 解决方案:在通过使用固体二氧化碳捕集材料捕获和分离含二氧化碳的含二氧化碳的二氧化碳的二氧化碳回收系统中,用于容纳固体捕获材料的容器和用于 作为用于冷却捕获材料的冷却介质流过的第一冷却装置布置在形成容器的壁构件的内部。 因此,容纳在容器内的捕集材料的温度上升通过使冷却介质流过冷却堆而被抑制。 版权所有(C)2012,JPO&INPIT
    • 4. 发明专利
    • Sulfur-absorbing material and exhaust-gas cleaning apparatus using the same
    • 使用硫磺吸收材料和排气清洁装置
    • JP2007222833A
    • 2007-09-06
    • JP2006049476
    • 2006-02-27
    • Hitachi Ltd株式会社日立製作所
    • MUKAIDE MASAAKIIIZUKA HIDEHIRONAGAYAMA TOSHIAKIKANAE MASAHITOWATANABE HIROKO
    • B01D53/94B01D53/86B01J20/04F01N3/08F01N3/10F01N3/20F01N3/28
    • PROBLEM TO BE SOLVED: To provide an exhaust-gas cleaning apparatus free from sulfur poisoning of a catalyst for removing nitrogen oxides in an exhaust-gas cleaning system of a diesel engine and the like, to solve the problem that a special control system is required for reactivation of the catalyst for removing nitrogen oxides poisoned by sulfur or that fuel consumption is increased in reactivation. SOLUTION: A sulfur-absorbing material including a zeolite carrier is installed at the upstream side of the catalyst for removing nitrogen oxides in an exhaust-gas flow. The catalyst for removing nitrogen oxides is prevented from poisoning by practically preventing the absorbed sulfur from escaping under normal conditions of an internal combustion engine. The performance of the sulfur-absorbing material can be improved by combining with an oxidation catalyst. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了提供一种排气净化装置,其不含有用于除去柴油发动机等的排气净化系统中的氮氧化物的催化剂的硫中毒,为了解决特殊控制 需要用于催化剂再活化以除去由硫中毒的氮氧化物或者再活化中燃料消耗增加的系统。 解决方案:包含沸石载体的吸硫材料安装在催化剂的上游侧,用于排出废气流中的氮氧化物。 通过实际上防止吸收的硫在内燃机的正常条件下逸出,可以防止除去氮氧化物的催化剂中毒。 可以通过与氧化催化剂结合来改善硫磺吸收材料的性能。 版权所有(C)2007,JPO&INPIT
    • 6. 发明专利
    • Heat recovery system of boiler with co2 capture system
    • 锅炉回收系统与二氧化碳捕收系统
    • JP2013061088A
    • 2013-04-04
    • JP2011197834
    • 2011-09-12
    • Hitachi Ltd株式会社日立製作所
    • KANAE MASAHITOSATO DAIKIYOSHIKAWA KOHEISUGANO SHUICHIORITA HISAYUKI
    • F22D1/36B01D53/62C01B32/50F22D1/02F23J15/00F23J15/08F23L15/00
    • F22B1/18Y02C10/04Y02C10/06Y02C10/08Y02E20/16Y02E20/18Y02E20/326
    • PROBLEM TO BE SOLVED: To provide a heat recovery device and a heat recovery method for improving heat efficiency in a boiler including a COcapture device, and to provide a COcapture material used for them.SOLUTION: A boiler system includes: an electric power generation system having the boiler, a steam turbine for generating electric power by steams which received heat at a boiler, a condenser condensing the steams at the downstream thereof; and a heater for heating condensed water by steams extracted from the steam turbine; a COcapture device of sorbing and capturing a COgas in an exhausted gas exhausted from the boiler by using a solid COsorbent; and a chimney of exhausting exhaust gas in the COcapture system after recovery of COor an exhaust gas exhausted from the boiler, in which the temperature of a fluid concerned with the boiler system is increased by using the exhaust gas exhausted from the COcapture device.
    • 要解决的问题:提供一种用于提高包括CO 2 捕获装置的锅炉中的热效率的热回收装置和热回收方法,并且提供CO 2 用于它们的捕获材料。 解决方案:锅炉系统包括:具有锅炉的发电系统,用于通过在锅炉处接收热量的蒸汽发电的蒸汽轮机,在其下游冷凝蒸汽的冷凝器; 以及加热器,用于通过从所述汽轮机抽出的蒸汽来加热冷凝水; 在从锅炉排出的排出的气体中通过使用固体CO吸收并捕获CO 2 气体的CO 2 捕获装置 吸附剂 2 以及在CO 2 还是从锅炉排出的废气中的CO 2 捕获系统中排出废气的烟囱 ,其中通过使用从CO 2 捕获装置排出的废气来增加与锅炉系统相关的流体的温度。 版权所有(C)2013,JPO&INPIT
    • 7. 发明专利
    • Nitrogen oxide cleaning catalyst and nitrogen oxide cleaning method
    • 氮氧化物清洁催化剂和氮氧化物清洗方法
    • JP2009189915A
    • 2009-08-27
    • JP2008031227
    • 2008-02-13
    • Hitachi Ltd株式会社日立製作所
    • SATO DAIKIKANAE MASAHITOIIZUKA HIDEHIRO
    • B01J37/00B01D53/94B01J23/42B01J23/44B01J23/46B01J23/52F01N3/10
    • PROBLEM TO BE SOLVED: To provide a catalyst having a high cleaning capacity, which reduces, cleans and converts nitrogen oxide in exhaust gas from a heat engine and the like to nitrogen gas. SOLUTION: The nitrogen oxide cleaning catalyst contains a component as an active component having an activation energy of a reaction of producing a nitrogen atom from NO of 5 kcal/mol or more and less than 32 kcal /mol. The nitrogen oxide cleaning method includes the use of a component as a catalyst active component having an activation energy of a reaction of producing a nitrogen atom from NO of 5 kcal/mol or more and less than 32 kcal /mol. The catalyst can be computed by the first principle calculation or the combination of the first principle calculation and MEP searching method. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供具有高清洁能力的催化剂,其将来自热机等的废气中的氮氧化物还原,清洗和转化为氮气。 解决方案:氮氧化物清洗催化剂含有作为活性组分的组分,其具有从5kcal / mol至小于32kcal / mol的NO产生氮原子的反应活化能。 氮氧化物清洗方法包括使用作为催化剂活性成分的成分,其具有从5kcal / mol以上且小于32kcal / mol的NO产生氮原子的反应活化能。 可以通过第一原理计算或第一原理计算和MEP搜索方法的组合来计算催化剂。 版权所有(C)2009,JPO&INPIT
    • 9. 发明专利
    • Nox gas concentration measuring device and measuring method, and catalyst deterioration diagnosis method and device
    • NO x气体浓度测量装置和测量方法以及催化剂测定诊断方法和装置
    • JP2005321247A
    • 2005-11-17
    • JP2004138109
    • 2004-05-07
    • Hitachi Ltd株式会社日立製作所
    • YAMAGUCHI SATORUKANAE MASAHITOIIZUKA HIDEHIROHIGASHIYAMA KAZUHISA
    • G01N25/22B01D53/94F01N3/00F01N3/08F01N3/10F01N3/20F02D41/04F02D45/00G01N27/00G01N27/16
    • PROBLEM TO BE SOLVED: To provide a NOx concentration measuring method capable of measuring accurately the NOx concentration in exhaust gas, and a deterioration diagnosis method and a device of an NOx purification catalyst. SOLUTION: A sensor element constituted of a catalyst capable of capturing NOx generated by oxidizing NO in a lean atmosphere and NOx existing in the exhaust gas and reducing NOx in a stoichiometric or rich atmosphere, and of a temperature measuring means of the catalyst are provided in an internal combustion engine exhaust gas passage where exhaust gas having a lean air-fuel ratio and exhaust gas having a rich or stoichiometric air-fuel ratio enter alternately, and the NOx concentration in the lean exhaust gas is determined by using the sensor element from a catalyst temperature rising degree caused by an NOx reduction heat by reductive gas when the air-fuel ratio of the exhaust gas is changed from the lean side to the rich side, and a space velocity of the exhaust gas. The NOx quantity captured by the catalyst at the lean time can be determined by installing the sensor elements on the front and the back of the NOx purification catalyst, and deterioration diagnosis of the lean NOx purification catalyst can be performed. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供能够精确地测量废气中的NOx浓度的NOx浓度测定方法,以及NOx净化催化剂的劣化诊断方法和装置。 解决方案:一种传感器元件,其由能够捕获在贫气氛中氧化NO而产生的NOx的催化剂和排气中存在的NOx和化学计量或浓气氛中的NOx还原和催化剂的温度测量装置 设置在内燃机废气通道中,其中具有稀空燃比的排气和具有浓或理论空燃比的排气交替进入,并且通过使用传感器来确定贫废气中的NOx浓度 当废气的空燃比从稀侧变为浓侧时,由还原气体的NOx还原热引起的催化剂温度上升程度和废气的空速。 可以通过将传感器元件安装在NOx净化催化剂的前面和后面来确定在稀薄时间由催化剂捕获的NOx量,并且可以执行贫NOx净化催化剂的劣化诊断。 版权所有(C)2006,JPO&NCIPI