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1. 发明专利

JP2007147453A Method and device for processing ammonia-containing regenerated waste solution from condensate demineralizer 审中-公开
标题翻译：用于处理含有氨的再生废物溶液的方法和装置
公开(公告)号：JP2007147453A
公开(公告)日：2007-06-14
申请号：JP2005342452
申请日：2005-11-28
申请人： Hitachi Ltd , Japan Atom Power Co Ltd:The , 日本原子力発電株式会社 , 株式会社日立製作所
发明人： AIZAWA MOTOHIRO , FUSE MOTOMASA , WADA YOICHI , ISHIDA KAZUNARI , KADOI HIDEKAZU , NAGATA NOBUAKI , SHIMADA KEIJI
IPC分类号： G21C19/307 , B01D19/00 , B01J23/42 , B01J23/86 , C02F1/04 , C02F1/20 , C02F1/44 , C02F1/469 , G21D1/02
CPC分类号： Y02A20/128 , Y02A20/131 , Y02E30/40
摘要： PROBLEM TO BE SOLVED: To provide a method for reducing the quantity of radioactive waste produced, by effectively removing ammonia in a regenerated waste solution, in processing the regenerated waste solution coming from a demineralizer of a nuclear power plant.
SOLUTION: The processing method for the ammonia-containing regenerated waste solution discharged when a condensate demineralizer of the nuclear power plant is regenerated comprises the steps of alkalizing the used ammonia-containing regenerated waste solution discharged, blowing air under a heating condition to separate ammonia in vapor phase and decomposing the ammonia gas obtained in the previous step by using a catalyst.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过有效地除去再生废液中的氨来减少产生的放射性废物的量的方法，用于处理来自核电站的脱盐装置的再生废液。解决方案：在再生核电站的冷凝水脱盐装置时排出的含氨废水再生废液的处理方法包括将排出的废氨水再生废液碱化，在加热条件下吹入空气的步骤为分离出气相中的氨，并通过使用催化剂分解前一步中得到的氨气。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2010064074A Method and apparatus for treating ammonia-containing regeneration waste liquid from condensate demineralizer 审中-公开
标题翻译：用于处理含有氨的再生废液的方法和装置
公开(公告)号：JP2010064074A
公开(公告)日：2010-03-25
申请号：JP2009277428
申请日：2009-12-07
申请人： Hitachi-Ge Nuclear Energy Ltd , Japan Atom Power Co Ltd:The , 日本原子力発電株式会社 , 日立Geニュークリア・エナジー株式会社
发明人： AIZAWA MOTOHIRO , FUSE MOTOMASA , WADA YOICHI , ISHIDA KAZUNARI , KADOI HIDEKAZU , NAGATA NOBUAKI , SHIMADA KEIJI
IPC分类号： C02F9/00 , B01D19/00 , B01D53/86 , B01D61/44 , C02F1/04 , C02F1/20 , C02F1/469 , G21C19/307 , G21D1/02
CPC分类号： Y02E30/40
摘要： PROBLEM TO BE SOLVED: To provide equipment for separating and decomposing ammonia formed from a reductive nitrogen compound in a plant where the reductive nitrogen compound is injected to inhibit corrosion of structural materials in a nuclear reactor. SOLUTION: There is provided a method for treating an ammonia-containing regeneration waste liquid discharged when a condensate demineralizer in a nuclear power plant is regenerated, which includes the steps of: adding an alkali to the ammonia-containing regeneration waste liquid discharged; separating ammonia in the vapor phase by aeration under heating; and decomposing the formed ammonia gas with a catalyst. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供在还原氮化合物被注入的工厂中由还原性氮化合物形成的氨分离和分解设备，以抑制核反应堆中结构材料的腐蚀。解决方案：提供了一种在再生核电站中的冷凝水脱盐装置时，处理排出的含氨的再生废液的方法，包括以下步骤：向含有氨的再生废液中排出碱 ; 通过加热曝气在气相中分离氨; 并用催化剂分解形成的氨气。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2008070207A Stress corrosion crack mitigation method of reactor structure material, and boiling water type nuclear power plant 有权
标题翻译：反应器结构材料应力腐蚀裂缝减缓方法和锅炉水型核电厂
公开(公告)号：JP2008070207A
公开(公告)日：2008-03-27
申请号：JP2006248505
申请日：2006-09-13
申请人： Hitachi-Ge Nuclear Energy Ltd , Japan Atom Power Co Ltd:The , 日本原子力発電株式会社 , 日立Geニュークリア・エナジー株式会社
发明人： ISHIDA KAZUNARI , WADA YOICHI , TACHIBANA MASAHIKO , NAGASE MAKOTO , AIZAWA MOTOHIRO , TAKIGUCHI HIDEKI , KADOI HIDEKAZU , NAGATA NOBUAKI , OHIRA HIROSHI
IPC分类号： G21D1/00 , G21C19/307 , G21D3/08
CPC分类号： Y02E30/40
摘要： PROBLEM TO BE SOLVED: To provide a stress corrosion crack mitigation method of a reactor structure material capable of suppressing increase of a dose rate by N-16, and suppressing easily increase of an electric conductivity generated by by-products.
SOLUTION: Hydrazine or hydrazine and hydrogen are injected into reactor water of a boiling water type nuclear power plant until ammonia is generated, and the injection quantity into the reactor water of a compound discharging anions and oxonium ions by action of heat or a radiation is adjusted based on the ammonia concentration. Hereby, the electric conductivity which is one factor for accelerating a stress corrosion crack can be reduced, and the stress corrosion crack of the reactor structure material can be suppressed, and the operation rate of the nuclear power plant can be improved.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供能够抑制N-16剂量率增加的反应器结构材料的应力腐蚀裂纹缓解方法，并且抑制由副产物产生的电导率的容易增加。解决方案：将肼或肼和氢气注入沸水型核动力装置的反应器水中，直至产生氨，并且通过加热或a的作用将化合物排出阴离子和氧鎓离子的化合物的反应器水中的注入量基于氨浓度调节辐射。由此，可以降低作为加速应力腐蚀开裂的一个因素的电导率，可以抑制反应堆结构材料的应力腐蚀裂纹，提高核电厂的运行率。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2005257626A Nuclear power plant 有权
标题翻译：核电站
公开(公告)号：JP2005257626A
公开(公告)日：2005-09-22
申请号：JP2004072818
申请日：2004-03-15
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ISHIDA KAZUNARI , WADA YOICHI , NAGASE MAKOTO , TACHIBANA MASAHIKO , AIZAWA MOTOHIRO
IPC分类号： G21C19/307 , G21D1/00 , G21D3/08
CPC分类号： Y02E30/40
摘要： PROBLEM TO BE SOLVED: To provide a nuclear power plant enabling removal of ammonia which has flowed out of a reactor pressure vessel. SOLUTION: The nuclear power plant is equipped with an agent injection means 61 that injects a compound, containing nitrogen whose oxidation number is negative into cooling water in a reactor. The plant has a catalyst part, consisting of an adsorbent that adsorbs ammonia and a catalyst that oxidizes and decomposes the ammonia, adsorbed by the adsorbent in a flow channel 3, where the steam generated in the reactor pressure vessel 1 including nuclear fuel passes through and flows. The plant has a structure, where a cation remover is placed farther upstream of feedwater heater 27 that heats the water condensed by a condenser 19, upstream to the flow of water in a flow channel 29 for guiding and feeding the water condensed by an oxidative decomposition means 5 for oxidizing and decomposing ammonia or the condenser 19, to the reactor pressure vessel 1. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供能够除去从反应堆压力容器流出的氨的核电站。解决方案：核电厂配备有将反应器中含有氧化数为负的氮化合物注入冷却水的试剂注入装置61。植物具有催化剂部分，其由吸附氨的吸附剂和在流动通道3中被吸附剂吸附的氨氧化和分解的催化剂，其中在包括核燃料的反应堆压力容器1中产生的蒸汽通过，流动。该设备具有一种结构，其中将阳离子去除剂放置在给水加热器27的上游更远处，该加热器加热由冷凝器19冷凝的水，在流动通道29中的水流的上游，用于引导和供给通过氧化分解用于将氨或冷凝器19氧化和分解到反应堆压力容器1的装置5。版权所有（C）2005，JPO＆NCIPI

5. 发明专利

JP2003035798A Method for preventing corrosion of reactor 审中-公开
标题翻译：防止反应器腐蚀的方法
公开(公告)号：JP2003035798A
公开(公告)日：2003-02-07
申请号：JP2001224187
申请日：2001-07-25
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： WADA YOICHI , UETAKE NAOTO , ISHIDA KAZUNARI , TACHIBANA MASAHIKO , AKAMINE KAZUHIKO
IPC分类号： G21D3/08 , G21D1/00
CPC分类号： Y02E30/40
摘要： PROBLEM TO BE SOLVED: To restrain the occurrence and development of stress corrosion cracks (SCC) by accelerating the deterioration in electrochemical corrosion potential(ECP) due to hydrogen in an oxide film layer of a reactor structural material.
SOLUTION: At least one type of metal among Al, Mg, Mn and Mo is taken into a surface oxide film of the reactor structural material (stainless steel or a nickel-base alloy). The temperature in the injection of the metal is set at between 150°C and 270°C inclusive, and, as to the quantity of injected hydrogen, the ECP is set at -230 m Vvs.SHE or lower in the operation of one cycle. This invention activates the oxidization reaction of the hydrogen on the surface of the reactor structural material, accelerating the deterioration of the ECP even in the injection of a small quantity of the hydrogen and restraining the occurrence and development of the SCC of the reactor structural material more effectively than ever.
COPYRIGHT: (C)2003,JPO
摘要翻译：要解决的问题：通过加速由反应器结构材料的氧化膜层中的氢引起的电化学腐蚀电位（ECP）的劣化，来抑制应力腐蚀裂纹（SCC）的发生和发展。解决方案：将Al，Mg，Mn和Mo中的至少一种金属作为反应器结构材料（不锈钢或镍基合金）的表面氧化膜。金属注入温度设定在150摄氏度到270摄氏度之间，对于注入氢气的数量，ECP设定为-230米Vvs.SHE或更低一个周期本发明激活了反应器结构材料表面氢的氧化反应，即使在注入少量氢的同时加速了ECP的劣化，也抑制了反应堆结构材料SCC的发生和发展。比以往有效。

6. 发明专利

JP2006038483A Method of restraining radionuclide from being deposited onto nuclear power plant constitutive member, and film forming device 有权
标题翻译：从放置在核电厂构成部件上的放射性核素的方法和成膜装置
公开(公告)号：JP2006038483A
公开(公告)日：2006-02-09
申请号：JP2004214541
申请日：2004-07-22
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： HOSOKAWA HIDEYUKI , NAGASE MAKOTO , ISHIDA KAZUNARI , WADA YOICHI , USUI NAOSHI , AIZAWA MOTOHIRO , FUSE MOTOMASA
IPC分类号： G21D1/00 , G21F9/00 , G21F9/06 , G21F9/12 , G21F9/28
CPC分类号： G21C19/42 , G21C17/0225 , G21F9/06 , G21F9/12 , G21F9/28
摘要： PROBLEM TO BE SOLVED: To effectively restrain a radionuclide from being deposited onto a nuclear power plant constitutive member. SOLUTION: The first chemical containing ferrous (II) ion, the second chemical for oxidizing the ferrous (II) ion to ferric (III) ion, and the third chemical for regulating a pH of a treating liquid mixed with the first and second chemicals to 5.5-9.0 are brought into contact with a surface of a metal member to form a ferrite coating film, during a period from a finishing stage of a decontaminating process for removing a contaminant formed on the surface of the metal member constituting the nuclear power plant up to time before a start-up of nuclear power plant, and the radionuclide is thereby restrained by the ferrite coating film from being deposited onto the surface of the metal member. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：有效地抑制放射性核素沉积在核电站构成部件上。解决方案：含有亚铁（II）离子的第一种化学物质是将亚铁（II）离子氧化成三价铁离子的第二种化学物质，以及用于调节与第一种和第在除去形成在构成核的金属构件的表面上的污染物的净化处理的整理阶段期间，将第二化学物质5.5-9.0与金属构件的表面接触以形成铁氧体涂膜发电厂在核电厂启动之前，由此被铁氧体涂膜抑制放射性核素沉积在金属部件的表面上。版权所有（C）2006，JPO＆NCIPI

7. 发明专利

JP2004205245A Chemical decontamination method 有权
公开(公告)号：JP2004205245A
公开(公告)日：2004-07-22
申请号：JP2002371646
申请日：2002-12-24
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ISHIDA KAZUNARI , NAGASE MAKOTO , ANAZAWA KAZUMI , AIZAWA MOTOHIRO
IPC分类号： G21C17/003 , G01T1/167 , G21F9/12 , G21F9/28
CPC分类号： G21F9/30 , C23F15/00
摘要： PROBLEM TO BE SOLVED: To remove iron oxalate adhering to the surface of a metal material without prolonging processes for the entire decontamination work.
SOLUTION: A cation exchanger resin tower 7 is used to carry out a reduction decontamination process (9) for supplying a reduction decontaminant containing oxalic acid to a region 1 to be decontaminated on the surface of a metal member and decontaminating it and then to conduct reduction decontaminant decomposition processes (10) and (12) for decomposing the reduction decontaminant, the reduction decontaminant decomposition process is also interrupted (after a reduction decontaminant decomposition process A finishes) and, in an iron oxalate removal process (11), hydrogen peroxide is supplied from a hydrogen peroxide water tank 20 to the region 1 with a flow channel to the cation exchanger resin column 7 blocked with valves 103a and 103b closed.
COPYRIGHT: (C)2004,JPO&NCIPI

8. 发明专利

JP2004045114A Method for relaxing stress corrosion cracking on in-reactor structure in nuclear power plant 审中-公开
公开(公告)号：JP2004045114A
公开(公告)日：2004-02-12
申请号：JP2002200728
申请日：2002-07-10
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ISHIDA KAZUNARI , WADA YOICHI , UETAKE NAOTO , AKAMINE KAZUHIKO , NAKAMURA MASAHITO
IPC分类号： G21C19/307 , C23F14/02 , G21D1/00 , G21D3/08
CPC分类号： Y02E30/40
摘要： PROBLEM TO BE SOLVED: To decrease the usage of elements of the platinum family in the technology for the improvement in the hydrogen pouring effect for relaxing stress corrosion cracking by allowing the elements of the platinum family to adhere to the surface of an in-reactor structure.
SOLUTION: When an ionic solution of the elements of the platinum family or an ionic solution of a compound containing the elements of the platinum family is poured into reactor water in a nuclear reactor, ions of base metallic elements or ions of a compound of base metallic elements which increase or decrease the adhesion speed of the elements of the platinum family are poured. The period for adhesion treatment can be shortened by increasing the adhesion speed of the elements of the platinum family. Moreover, the pour of the elements of the platinum family can be decreased.
COPYRIGHT: (C)2004,JPO

9. 发明专利

JP2008051530A Elution suppression method for nickel and cobalt from structure material 有权
标题翻译：结构材料镍和钴的抑制方法
公开(公告)号：JP2008051530A
公开(公告)日：2008-03-06
申请号：JP2006225331
申请日：2006-08-22
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： NAGASE MAKOTO , HOSOKAWA HIDEYUKI , ISHIDA KAZUNARI , MORISAWA SATOSHI , SAKASHITA MOTOAKI , AIZAWA MOTOHIRO
IPC分类号： G21D1/00 , G21C3/34 , G21C5/00 , G21C7/10 , G21F9/00
CPC分类号： G21F9/005
摘要： PROBLEM TO BE SOLVED: To provide an elution suppression method of nickel and cobalt from a nuclear reactor structure material, capable of suppressing furthermore elution of nickel and cobalt which are the parent nuclides of a radioactive nuclide.
SOLUTION: The nuclear reactor structure material (for example, a spacer spring 32) is immersed into pure water in a treatment tank 5. The pure water is heated up to 90°C by a heater 7. Iron formate (iron(II) ion containing solution) in an iron formate tank 9, hydrogen peroxide in a hydrogen peroxide tank 11 and hydrazine in a hydrazine tank 13 are injected into a pipe and guided into the treatment tank 5, respectively. Injection of iron formate is performed, until the iron(II) ion concentration in the pure water becomes 200 ppm or higher. The pH is adjusted to be in the range of 5.5-9.0 by injection of hydrazine. A dense and firm magnetite coat, for suppressing elution of cobalt or the like from the nuclear reactor structure material, is formed on the surface of the nuclear reactor structure material by this treatment.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供来自核反应堆结构材料的镍和钴的洗脱抑制方法，能够抑制作为放射性核素的母体核素的镍和钴的进一步洗脱。解决方案：将核反应堆结构材料（例如，间隔弹簧32）浸入处理槽5中的纯水中。纯水通过加热器7加热至90℃。甲酸铁（铁（ II）离子溶液），过氧化氢罐11中的过氧化氢和肼罐13中的肼分别注入管道并引导到处理槽5中。进行甲酸铁的注入，直至纯水中的铁（II）离子浓度变为200ppm以上。通过注射肼将pH调节至5.5-9.0的范围内。通过这种处理，在核反应堆结构材料的表面上形成用于抑制钴等从核反应堆结构材料的洗脱的致密且牢固的磁铁矿涂层。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2007017245A Method for mitigating stress corrosion cracking in structural material for nuclear power plant 有权
标题翻译：用于减轻核电厂结构材料应力腐蚀开裂的方法
公开(公告)号：JP2007017245A
公开(公告)日：2007-01-25
申请号：JP2005198212
申请日：2005-07-07
申请人： Hitachi Ltd , 株式会社日立製作所
发明人： ISHIDA KAZUNARI , WADA YOICHI , NAGASE MAKOTO , HOSOKAWA HIDEYUKI , NAKAMURA MASAHITO
IPC分类号： G21D1/00 , G21D3/08
CPC分类号： Y02E30/40
摘要： PROBLEM TO BE SOLVED: To improve integrity of a plant by suppressing increase in stress corrosion cracking sensitivity by suppressing increase in electric conductivity.
SOLUTION: In an operation of a boiling water nuclear power plant, a material for reducing the concentration of oxygen or hydrogen peroxide in reactor water by chemically reacting with the oxygen or hydrogen peroxide is injected into the reactor water. During stop of the operation, a layer of a compound having a spinel type structure composed of bivalent metal ions and trivalent iron ions is formed on a heat transfer surface of a feed water heater. Even when hydrogen injection or the like to the reactor water is stopped, increase in chrome ion concentration in the reactor water can be suppressed. As a result, the electric conductivity can be suppressed, and increase in sensitivity to stress corrosion cracking can be suppressed.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：通过抑制电导率的增加来抑制应力腐蚀开裂灵敏度的增加来提高植物的完整性。解决方案：在沸水核电站的操作中，通过与氧气或过氧化氢化学反应来降低反应器水中氧气或过氧化氢浓度的材料被注入反应器水中。在操作停止期间，在给水加热器的传热表面上形成具有由二价金属离子和三价铁离子组成的尖晶石型结构的化合物层。即使停止对反应器水进行氢气注入等，也可以抑制反应器水中的铬离子浓度的增加。结果，可以抑制导电性，并且可以抑制对应力腐蚀开裂的敏感性的增加。版权所有（C）2007，JPO＆INPIT

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