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    • 2. 发明专利
    • Method for dechlorination treatment of organic chlorine compound and treating apparatus
    • 有机氯化合物和处理装置的脱氯处理方法
    • JP2005008602A
    • 2005-01-13
    • JP2003177440
    • 2003-06-23
    • Hitachi Ltd株式会社日立製作所
    • TANAKA SHINJIHONCHI AKIOMUKAIDE MASAAKITAKAHASHI KAZUOORII AKIHITO
    • A62D3/34A62D101/22C07B35/06C07B37/06C07C25/18A62D3/00
    • PROBLEM TO BE SOLVED: To evenly distribute a PCB mixture and a metallic Na mixture liquid and stably supply to a plurality of reactors.
      SOLUTION: The dechlorination treatment of an organic chlorine compound is carried out by using an apparatus having a plurality of reactors having a confluent part of a liquid A consisting of a mixture of the organic chlorine compound and a hydrogen donor or a mixture produced by adding a solvent to the above mixture and a liquid mixture B containing metallic Na particles dispersed in a solvent. Gyration flows of the liquid A and the liquid B are formed in each ring-formed channel, and each gyration flow is divided into multiple flows and supplied to the multiple reactors. The dividing device is provided with a liquid receiving tube receiving the liquid in a manner to form a gyration flow in the ring-formed channel and a plurality of liquid discharging tubes to divide the liquid forming a gyrating flow in the ring-formed channel into a plurality of flows and discharge the divided flows.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:为了均匀分布PCB混合物和金属Na混合液,并稳定地供应到多个反应器。 解决方案:有机氯化合物的脱氯处理通过使用具有多个反应器的装置来进行,所述反应器具有由有机氯化合物和氢供体的混合物组成的液体A的汇合部分或产生的混合物 通过向上述混合物中加入溶剂和含有分散在溶剂中的金属Na颗粒的液体混合物B。 在每个环形通道中形成液体A和液体B的回转流,并且每个回转流被分成多个流并供应到多个反应器。 分隔装置设置有以在环形通道中形成回转流的方式接收液体的液体接收管和多​​个液体排出管,以将形成环形通道中的旋转流的液体分成 多个流动并排出分流。 版权所有(C)2005,JPO&NCIPI
    • 3. 发明专利
    • Sulfur content absorption material and exhaust emission control system
    • 硫含量吸收材料和排气控制系统
    • JP2006329018A
    • 2006-12-07
    • JP2005151767
    • 2005-05-25
    • Hitachi Ltd株式会社日立製作所
    • MUKAIDE MASAAKIIIZUKA HIDEHIROKANAE MASAHITOKAMIKAWA MASAYUKIKITAHARA YUICHI
    • F01N3/24B01D53/50B01D53/81B01D53/94B01J20/04F01N3/08F01N3/10
    • PROBLEM TO BE SOLVED: To provide a system whose nitrogen oxide cleaning catalyst does not suffer sulfur poisoning, in an exhaust emission control system for a diesel engine or the like. SOLUTION: A sulfur-content-absorbent material whose main contents are a compound containing alkali metal and a compound containing alkaline-earth metal is installed upstream side of exhaust with respect to the nitrogen oxide cleaning catalyst, and desulfurization of the sulfur content absorbed once is not substantially performed in a normal status of an internal combustion engine, so that the poisoning of the nitrogen oxide cleaning catalyst is prevented. Combination of a sulfur oxidation catalyst with the sulfur content absorption material improves performance of the sulfur-content-absorbent material. The need of a regeneration control system for a case where the nitrogen oxide cleaning catalyst suffers the sulfur poisoning is eliminated, and deterioration in fuel economy along with the regeneration is avoided. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种在氮氧化物清洗催化剂不会发生硫中毒的系统中,在柴油发动机等的排气排放控制系统中。 解决方案:主要成分是含有碱金属的化合物和含有碱土金属的化合物的含硫吸收材料安装在排气的上游侧,相对于氮氧化物清洗催化剂,硫含量的脱硫 在内燃机的正常状态下基本上不进行吸收一次,防止了氮氧化物清洗催化剂的中毒。 硫氧化催化剂与硫含量吸收材料的组合改善了含硫吸收材料的性能。 消除了氮氧化物清洗催化剂遭受硫中毒的情况下的再生控制系统的需要,并且避免了与再生一起燃料经济性的劣化。 版权所有(C)2007,JPO&INPIT
    • 4. 发明专利
    • Exhaust emission control device and exhaust emission control catalyst
    • 排气排放控制装置和排气控制催化剂
    • JP2006257957A
    • 2006-09-28
    • JP2005076222
    • 2005-03-17
    • Hitachi Ltd株式会社日立製作所
    • IIZUKA HIDEHIROKANAE MASAHITOMUKAIDE MASAAKIKAMIKAWA MASAYUKIKITAHARA YUICHI
    • F02D41/04B01D53/94B01J23/58F01N3/20F01N3/24F02D45/00
    • PROBLEM TO BE SOLVED: To provide a novel exhaust emission control device suitable for restraining reduction in NOx purifying performance when switched to the stoichiometric side (the rich side), in an internal combustion engine operated in a lean burn state of being leaner in fuel than the stoichiometric air-fuel ratio. SOLUTION: This exhaust emission control device has an exhaust emission control catalyst capable of capturing NOx in an internal combustion engine exhaust gas flow passage for making lean exhaust gas of the air-fuel ratio and rich or stoichiometric exhaust gas of the air-fuel ratio flow in; and purifies the NOx in exhaust gas while preventing exhaust of the NOx by preventing an NOx quantity captured when being lean in the air-fuel ratio of the exhaust gas from exceeding an NOx quantity capturable when being 0% in the oxygen concentration, the CO concentration, the hydrocarbon concentration and the hydrogen concentration in the exhaust gas when purifying the captured NOx by switching the air-fuel ratio to stoichiometric or rich, by capturing the NOx in lean time. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种新型的废气排放控制装置,其适于在切换到化学计量侧(浓侧)时抑制NOx净化性能的降低,在以较稀的状态运行的稀燃状态的内燃机中 在燃料中比化学计量空燃比。 解决方案:该废气排放控制装置具有排气排放控制催化剂,其能够捕获内燃机废气流动通道中的NOx,用于使空燃比的稀薄排气和空气燃料比的富排气或化学计量排气, 燃油比流入; 并且在排气中净化NOx,同时通过在氧气浓度为0%时,通过防止在排气的空燃比稀薄时捕获的NOx量超过可吸收的NOx量的0%时,排出NOx,CO浓度 ,通过在稀薄时间内捕获NOx来净化捕获的NOx,从而将空气 - 燃料比转换为理论空燃比或浓缩时的排气中的烃浓度和氢浓度。 版权所有(C)2006,JPO&NCIPI
    • 5. 发明专利
    • Portable organic chlorine compound treatment apparatus
    • 便携式有机氯化合物处理装置
    • JP2005254147A
    • 2005-09-22
    • JP2004070272
    • 2004-03-12
    • Hitachi Ltd株式会社日立製作所
    • HONCHI AKIOORII AKIHITOTAKAHASHI KAZUOMUKAIDE MASAAKI
    • A62D3/34A62D101/22B01J19/00B60J5/04B60P3/00C07B35/06C07B37/06C07C25/18E05D5/12E05D7/10A62D3/00
    • PROBLEM TO BE SOLVED: To provide an organic chlorine compound treatment apparatus that causes an organic chlorine compound to react with an Na dispersed material to conduct the dechlorination and that is capable of detoxifying the organic compound in situ by making the treatment apparatus portable to carry it to the facility where the organic chlorine compound containing instrument is stored.
      SOLUTION: The portable organic chlorine compound treatment apparatus is designed to compactify the equipment, to reduce the consumption electric power and to enable the treatment in the storing site by storing the whole systems of the oil extraction system of the organic chlorine compound containing instrument, the mixing system to prepare the mixed solution of the organic chlorine compound, the hydrogen donor and the solvent, the reaction system to join and react the mixed solution with the Na dispersed material in a tubular reactor and the post treatment system to convert the excessive Na in a container or a trailer which can be transferred. The stirrer, the heating equipment and the large electric source installation are eliminated by using a tubular body of which the inner diameter is 1-10 mm as the reactor to react the organic chlorine compound with the Na dispersed material and joining the fluid that contains the organic chlorine compound and the fluid that contains the Na therein by allowing them to flow in from the one end of the tube.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 待解决的问题:提供一种有机氯化合物处理装置,其使有机氯化合物与Na分散材料反应以进行脱氯,并且能够通过使处理装置可携带地使有机化合物原位解毒 将其携带到存储有机氯化合物的仪器的设备中。 解决方案:便携式有机氯化合物处理装置设计用于压缩设备,降低消耗电力,并通过储存含有机氯化合物的油萃取系统的整个系统,使其在储存地点进行处理 仪器,混合系统制备有机氯化合物,氢供体和溶剂的混合溶液,反应体系将混合溶液与Na分散材料接合并反应在管式反应器中,后处理系统将 容器中的过量Na或可转移的拖车。 通过使用内径为1-10mm的管状体作为反应器来除去搅拌器,加热装置和大型电源装置,使有机氯化合物与Na分散材料反应,并将含有 有机氯化合物和通过使其从管的一端流入而含有Na的流体。 版权所有(C)2005,JPO&NCIPI
    • 6. 发明专利
    • Treatment apparatus of alkali metal-containing liquid and operation method therefor
    • 含碱金属液体的处理装置及其操作方法
    • JP2005007285A
    • 2005-01-13
    • JP2003174205
    • 2003-06-19
    • Hitachi Ltd株式会社日立製作所
    • MUKAIDE MASAAKIHONCHI AKIOTAKAHASHI KAZUOTANAKA SHINJIORII AKIHITO
    • A62D3/36A62D101/22B01J19/00A62D3/00
    • PROBLEM TO BE SOLVED: To solve the problem of deformation of a reaction product by heat of reaction during treatment and the problem that it takes a long time for the treatment owing to a large quantity of foams by hydrogen generation in the case a hydrogen-containing substance such as water is used as an oxide in the treatment carried out by the reaction using an alkali metal as one reaction agent and oxidation of the alkali metal contained in the treated reaction liquid for alkali metal removal.
      SOLUTION: The subject treatment apparatus comprises a mechanism for introducing an alkali metal-containing liquid or an oxide substance after reaction into a treatment tank by spraying or in the form of a fine stream; a stirring mechanism for defoaming and mixing; a mechanism for detecting the temperature alteration in the treatment tank caused by reaction of the alkali metal-containing liquid and an oxide substance; and a temperature control mechanism capable of adjusting the temperature in the treatment tank. Accordingly, the temperature can be controlled at the time of the treatment and the time taken for defoaming can be shortened. As another method, the similar effect can be achieved by installing a pipe for adding the oxide substance by joining the pipe to a tubular part led from a reaction part.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 待解决的问题:为了解决在处理过程中由于反应热引起的反应产物变形的问题,以及由于氢气产生的大量泡沫需要长时间处理的问题,在a 在使用碱金属作为一种反应剂的反应进行的处理中使用含氢物质如水作为氧化物,并且用于碱处理的碱金属去除反应液中所含的碱金属的氧化。 解决方案:本发明的处理装置包括通过喷射或以细流的形式将反应后的碱金属液体或氧化物质引入处理槽的机构; 消泡混合搅拌机构; 用于检测由含碱金属的液体和氧化物质的反应引起的处理槽中的温度变化的机构; 以及能够调节处理槽内的温度的温度控制机构。 因此,可以在处理时控制温度,并且可以缩短消泡所花费的时间。 作为另一种方法,通过将管连接到从反应部引导的管状部分安装用于添加氧化物质的管道,可以实现类似的效果。 版权所有(C)2005,JPO&NCIPI
    • 7. 发明专利
    • Oxygen combustion type coal fired power generation system
    • 氧气燃烧式燃煤发电系统
    • JP2011190940A
    • 2011-09-29
    • JP2010055186
    • 2010-03-12
    • Hitachi Ltd株式会社日立製作所
    • HOKARI NOBUYUKIORITA HISAYUKIHAYASHI YOSHIHARUMUKAIDE MASAAKISHIBATA TSUYOSHI
    • F23L7/00F23C9/08F23C99/00F23J15/00F23L15/00
    • Y02E20/348
    • PROBLEM TO BE SOLVED: To provide an oxygen combustion type coal fired power generation system, capable of improving heat efficiency of the oxygen combustion type coal fired power generation system, and preventing corrosion of piping materials constituting a system of a fired power generation system, by suppressing the generation of condensate water and generation of acid in a combustion exhaust gas. SOLUTION: In the oxygen combustion type coal fired power generation system, a heat exchanger 4 for temperature rise of oxygen, heating oxygen generated by an oxygen manufacturing device 12 by the combustion exhaust gas, is disposed in a combustion exhaust gas system; an oxygen supply system 14 for allowing oxygen to flow down, is disposed in a state of being connected to an exhaust gas system 15 for mixing from the oxygen manufacturing device 12 through the heat exchanger 4 for temperature rise of oxygen; the oxygen heated by the heat exchanger 4 for the temperature rise of oxygen is mixed with the combustion exhaust gas flowing down in the exhaust gas system 15 for mixing to prepare a support gas of a desired temperature; and the support gas is supplied to a coal boiler 1 through the exhaust gas system 15 for mixing. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种氧气燃烧式燃煤发电系统,其能够提高氧燃烧式燃煤发电系统的热效率,并且防止构成燃烧发电系统的管道材料的腐蚀 系统,通过抑制冷凝水的产生和在燃烧废气中产生酸。 解决方案:在氧燃烧式燃煤发电系统中,在燃烧废气系统中设置用于氧气升温的热交换器4,由氧气制造装置12通过燃烧废气产生的加热氧; 用于允许氧气流下的供氧系统14被设置在连接到排气系统15的状态,用于从氧气制造装置12通过用于氧气升高的热交换器4进行混合; 由热交换器4加热的用于氧气升高的氧气与在排气系统15中向下流动的燃烧废气混合以混合以制备所需温度的支撑气体; 并且通过排气系统15将支撑气体供给到煤锅炉1中以进行混合。 版权所有(C)2011,JPO&INPIT
    • 9. 发明专利
    • System for cleaning combustion gas of coal fired boiler and operation method for the same
    • 用于清洁燃煤锅炉的燃烧气体的系统及其操作方法
    • JP2010125378A
    • 2010-06-10
    • JP2008302000
    • 2008-11-27
    • Hitachi Ltd株式会社日立製作所
    • ORITA HISAYUKIMUKAIDE MASAAKI
    • B01D53/56B01D53/50B01D53/77B07B7/04F23J15/00
    • Y02A50/2348
    • PROBLEM TO BE SOLVED: To provide a simple structural and miniature system for cleaning a combustion gas of a coal fired boiler which classifies coal ash caught from the combustion gas discharged from the coal fired boiler and which can directly recover minute particle coal ash. SOLUTION: The system for cleaning a combustion gas of a coal fired boiler includes a coal fired boiler burning coal as fuel, a denitrification device installed downstream of the coal fired boiler and decreasing nitrogen oxides in the combustion gas discharged from the coal fired boiler, a dust removing device installed downstream of the denitrification device and catching and recovering minute particles of coal ash contained in the combustion gas flowing down through the denitrification device, a desulfurization device placed downstream of the dust removing device and absorbing the sulfur oxides in the combustion gas flowing down through the dust removing device, and a classification device for coarse particles installed upstream of the dust removing device and installing a louver inside whose arrange angle can be adjusted and classifies the coarse particles in the coal ash contained in the combustion gas. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于清洁燃煤锅炉的燃烧气体的简单的结构和微型系统,其将从燃煤锅炉排出的燃烧气体中捕获的煤灰分类,并且可以直接回收微粒煤灰 。 解决方案:用于清洁燃煤锅炉的燃烧气体的系统包括燃煤作为燃料的燃煤锅炉,安装在燃煤锅炉下游的脱硝装置和从燃煤炉排出的燃烧气体中的氮氧化物减少 锅炉,安装在脱氮装置下游的除尘装置,捕集并回收通过脱氮装置向下流动的燃烧气体中所含的煤灰的微小颗粒;脱硫装置,其设置在除尘装置的下游,并吸收硫化物 通过除尘装置向下流动的燃烧气体,以及安装在除尘装置上游的粗颗粒分级装置,并安装可以调整其排列角度的百叶窗,并对包含在燃烧气体中的煤灰中的粗颗粒进行分类。 版权所有(C)2010,JPO&INPIT