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1. 发明授权

US06335475B1 Method of chemical decontamination 有权
标题翻译：化学去污方法
公开(公告)号：US06335475B1
公开(公告)日：2002-01-01
申请号：US09405217
申请日：1999-09-27
申请人： Makoto Nagase , Naohito Uetake , Kazushige Ishida , Fumito Nakamura , Kazumi Anazawa , Tadashi Tamagawa , Hiroo Yoshikawa
发明人： Makoto Nagase , Naohito Uetake , Kazushige Ishida , Fumito Nakamura , Kazumi Anazawa , Tadashi Tamagawa , Hiroo Yoshikawa
IPC分类号： G21F900
CPC分类号： G21F9/004
摘要： Processes of reductive decontamination using an agent containing at least two kinds of components, and then decomposing the agent using an apparatus for decomposing at least two kinds of chemical substances in the agent, are employed in chemical decontamination. A catalyst decomposition column in an upstream side of an ion exchange resin column and a hydrogen peroxide injection apparatus in a further upstream side, reduce the amount of waste products caused by a chemical decontaminating agent where a mixed decontaminating agent for a composition trapped in a cation resin column and for a composition trapped in an anion exchange resin are used for the chemical decontaminating agent, selectively decompose the composition trapped in the cation resin column in an inlet side of a cleaning apparatus when radioactive nuclides in the decontaminating agent are cleansed using the cation resin column during decontamination, and decompose both compositions after completion of the decontamination. The chemical decontamination thus selectively decomposes the chemical decontaminating agent, which is a component of the load to the cation resin column. The chemical decontamination moderates corrosion of material by using a chemical decontaminating agent decomposing apparatus capable of decomposing the components trapped by the cation exchange resin and components trapped by an anion exchange resin at the same time.
摘要翻译：使用含有至少两种组分的试剂进行还原去污的方法，然后使用用于在试剂中分解至少两种化学物质的装置分解试剂，用于化学去污。在离子交换树脂柱的上游侧的催化剂分解塔和进一步的上游侧的过氧化氢注入装置，减少由化学去污剂引起的废物的量，其中用于组合物捕获在阳离子中的混合净化剂树脂柱和捕获在阴离子交换树脂中的组合物用于化学净化剂，当清除剂中的放射性核素用阳离子清洗时，选择性地分解在清洁装置的入口侧捕获在阳离子树脂柱中的组合物在去污过程中树脂柱，并且在去污完成后分解两种组合物。化学去污因此选择性地将作为负荷成分的化学净化剂分解到阳离子树脂柱中。化学去污通过使用能够分解被阳离子交换树脂捕获的成分和同时被阴离子交换树脂捕获的成分的化学除污剂分解装置来缓和材料的腐蚀。

2. 发明授权

US06973154B2 Method of chemical decontamination and system therefor 有权
标题翻译：化学除污方法及其系统
公开(公告)号：US06973154B2
公开(公告)日：2005-12-06
申请号：US10000338
申请日：2001-12-04
申请人： Makoto Nagase , Naohito Uetake , Kazushige Ishida , Fumito Nakamura , Kazumi Anazawa , Tadashi Tamagawa , Hiroo Yoshikawa
发明人： Makoto Nagase , Naohito Uetake , Kazushige Ishida , Fumito Nakamura , Kazumi Anazawa , Tadashi Tamagawa , Hiroo Yoshikawa
IPC分类号： G21F9/00
CPC分类号： G21F9/004
摘要： In a chemical decontamination method of chemically decontaminating radioactive nuclides from a metallic material, oxalic acid and hydrazine are injected as a reductive decontaminating agent into water that is in contact with the metallic material. Injection of the hydrazine is stopped after a cation resin arranged in a circulation line connected to the metallic material breaks, and at least the oxalic acid and the hydrazine in the reductive decontaminating agent are decomposed using a decomposing catalyst.
摘要翻译：在从金属材料中化学去除放射性核素的化学去污方法中，将草酸和肼作为还原净化剂注入与金属材料接触的水中。在与金属材料连接的循环管线中布置的阳离子树脂断裂后，停止注入肼，并且使用分解催化剂将还原性净化剂中的至少草酸和肼分解。

3. 发明授权

US06921515B2 Apparatus for chemical decontamination 有权
标题翻译：化学去污设备
公开(公告)号：US06921515B2
公开(公告)日：2005-07-26
申请号：US10000083
申请日：2001-12-04
申请人： Makoto Nagase , Naohito Uetake , Kazushige Ishida , Fumito Nakamura , Kazumi Anazawa , Tadashi Tamagawa , Hiroo Yoshikawa
发明人： Makoto Nagase , Naohito Uetake , Kazushige Ishida , Fumito Nakamura , Kazumi Anazawa , Tadashi Tamagawa , Hiroo Yoshikawa
IPC分类号： G21F9/28 , G21F9/00 , B32B27/04
CPC分类号： G21F9/004
摘要： In a chemical decontamination apparatus, a catalyst decomposition column in an upstream side of an ion exchange resin column and a hydrogen peroxide injection apparatus in a further upstream side, reduce the amount of waste products caused by a chemical decontaminating agent where a mixed decontaminating agent for a composition trapped in a cation resin column and for a composition trapped in an anion exchange resin are used for the chemical decontaminating agent, selectively decompose the composition trapped in the cation resin column in an inlet side of a cleaning apparatus when radioactive nuclides in the decontaminating agent are cleansed using the cation resin column during decontamination, and decompose both compositions after completion of the decontamination. The chemical decontamination thus selectively decomposes the chemical decontaminating agent, which is a component of the load to the cation resin column.
摘要翻译：在化学去污装置中，离子交换树脂柱的上游侧的催化剂分解塔和上游侧的过氧化氢注入装置减少由化学净化剂引起的废物的量，其中混合净化剂将用于阴离子交换树脂的组分捕获在阳离子树脂柱中，并且用于阴离子交换树脂中的组合物用于化学去污剂中，当在去污剂中放射性核素时，选择性地分解在清洁设备的入口侧捕获在阳离子树脂柱中的组合物在去污期间使用阳离子树脂柱清洁剂，并且在去污完成后分解两种组合物。化学去污因此选择性地将作为负荷成分的化学净化剂分解到阳离子树脂柱中。

4. 发明授权

US06549603B1 Method of chemical decontamination 有权
标题翻译：化学去污方法
公开(公告)号：US06549603B1
公开(公告)日：2003-04-15
申请号：US09657530
申请日：2000-09-08
申请人： Kazushige Ishida , Kazumi Anazawa , Yoshiyuki Takamori , Naohito Uetake , Makoto Nagase , Hiroo Yoshikawa , Tadashi Tamagawa
发明人： Kazushige Ishida , Kazumi Anazawa , Yoshiyuki Takamori , Naohito Uetake , Makoto Nagase , Hiroo Yoshikawa , Tadashi Tamagawa
IPC分类号： G21F900
CPC分类号： G21C17/0225 , G21F9/004 , G21Y2002/601 , G21Y2004/20
摘要： To suppress a decrease of thickness due to corrosion of structural members and to achieve a removal of radionuclides with good efficiency in a nuclear power plant, oxidation decontamination is first conducted. An aqueous potassium permanganate solution is supplied from a circulation line to a reactor pressure vessel, which is a stainless steel structural member, and a reactor water cleanup system piping and a drain piping, which are carbon steel structural members. These structural members are oxidation-decontaminated by the action of potassium permanganate. Then the above-mentioned structural members are reduction-decontaminated by using an aqueous oxalic acid solution. The aqueous oxalic acid solution contains hydrazine.
摘要翻译：为了抑制由于结构构件的腐蚀而导致的厚度减小并且在核电站中实现高效率地去除放射性核素，首先进行氧化去污。将高锰酸钾溶液从循环管线供给到作为碳素钢结构件的反应器压力容器，其为不锈钢结构构件，反应器水净化系统管道和排水管道。这些结构构件通过高锰酸钾的作用进行氧化去污。然后通过使用草酸水溶液还原去除上述结构构件。草酸水溶液含有肼。

5. 发明申请

US20050014989A1 Radioactive substance decontamination method and apparatus 审中-公开
标题翻译：放射性物质去污方法及装置
公开(公告)号：US20050014989A1
公开(公告)日：2005-01-20
申请号：US10807156
申请日：2004-03-24
申请人： Kazumi Anazawa , Motoaki Sakashita , Makoto Nagase
发明人： Kazumi Anazawa , Motoaki Sakashita , Makoto Nagase
IPC分类号： G21F9/28 , G21F9/00
CPC分类号： G21F9/001
摘要： A radioactive substance decontamination method and apparatus which decontaminates a metal member contaminated by radioactive substance in a short period of time. This apparatus has (1) multiple reducing decontamination tanks having different radiation control values; (2) a carrier for immersing the metal member into the multiple reducing decontamination tanks and a washing tank; (3) a tube for transferring into the second reducing decontamination tank the reducing decontamination agent in the first reducing decontamination tank; (4) a reducing agent decomposer for decomposing a component contained in the reducing decontamination agent of the reducing decontamination tank where the radiation control value is the highest out of the reducing decontamination tanks connected by the tube; and (5) a washing tank for washing the reducing decontamination agent deposited on the decontaminated metal member.
摘要翻译：一种放射性物质去污方法和设备，可在短时间内对被放射性物质污染的金属构件进行净化。该装置具有（1）具有不同辐射控制值的多个还原净化槽; （2）用于将金属构件浸入多个还原净化槽和洗涤槽中的载体; （3）用于将第一还原去污罐中的还原去污剂转移到第二还原去污罐中的管; （4）一种还原剂分解器，用于分解由所述管连接的还原净化槽中的最大值的所述还原净化槽的还原去污剂中所含的成分，和（5）用于洗涤沉积在去污金属构件上的还原去污剂的洗涤槽。

6. 发明授权

US06907891B2 Radioactive substance decontamination method and apparatus 失效
公开(公告)号：US06907891B2
公开(公告)日：2005-06-21
申请号：US10078347
申请日：2002-02-21
申请人： Kazumi Anazawa , Motoaki Sakashita , Makoto Nagase
发明人： Kazumi Anazawa , Motoaki Sakashita , Makoto Nagase
IPC分类号： G21F9/28 , G21F9/00
CPC分类号： G21F9/001
摘要： A radioactive substance decontamination method and apparatus which decontaminates a metal member contaminated by radioactive substance in a short period of time. This apparatus has (1) multiple reducing decontamination tanks having different radiation control values; (2) a carrier for immersing the metal member into the multiple reducing decontamination tanks and a washing tank; (3) a tube for transferring into the second reducing decontamination tank the reducing decontamination agent in the first reducing decontamination tank; (4) a reducing agent decomposer for decomposing a component contained in the reducing decontamination agent of the reducing decontamination tank where the radiation control value is the highest out of the reducing decontamination tanks connected by the tube; and (5) a washing tank for washing the reducing decontamination agent deposited on the decontaminated metal member.

7. 发明授权

US06982060B2 Chemical decontamination liquid decomposing system having catalyst tower and catalyst tower therefor 失效
标题翻译：具有催化塔和催化塔的化学净化液体分解系统
公开(公告)号：US06982060B2
公开(公告)日：2006-01-03
申请号：US10865840
申请日：2004-06-14
申请人： Motoaki Sakashita , Katsuo Yokota , Yasushi Kobayashi , Kazumi Anazawa
发明人： Motoaki Sakashita , Katsuo Yokota , Yasushi Kobayashi , Kazumi Anazawa
IPC分类号： B01J8/02
CPC分类号： B01J8/0015 , B01J8/0085 , B01J8/025 , B01J8/0257 , B01J2219/185
摘要： An object of the present invention is to provide a chemical decontamination liquid decomposing system having a catalyst tower which has a mesh filter capable of certainly preventing catalyst from flowing out and a mechanism of pushing-down the catalyst capable of preventing convection of the catalyst caused by decomposition gas.The catalyst tower in accordance with the present invention used for decomposing a chemical decontamination liquid comprises an inlet pipe, a catalyst for decomposing the chemical decontamination liquid, an outlet mesh filter for preventing the catalyst from flowing out, an outlet pipe, a catalyst charging port for charging the catalyst, a catalyst pushing-down mechanism for preventing occurrence of convection of the catalyst caused by a decomposed gas and so on. The outlet mesh filter is arranged so as to closely attached to the inner surface of the catalyst tower and to the inner surface of the catalyst charging port.
摘要翻译：本发明的目的是提供一种具有催化塔的化学去污液分解系统，该催化塔具有能够有效防止催化剂流出的网状过滤器，并且能够抑制能够防止催化剂对流引起的催化剂的机理分解气体。用于分解化学去污液的根据本发明的催化剂塔包括入口管，用于分解化学去污液的催化剂，用于防止催化剂流出的出口网过滤器，出口管，催化剂装料口用于装载催化剂的催化剂下推机构，用于防止由分解气体等引起的催化剂对流的发生。出口网过滤器布置成紧密地附着在催化塔的内表面和催化剂装料口的内表面上。

8. 发明授权

US06767519B2 Chemical decontamination liquid decomposing system having catalyst tower and catalyst tower therefor 有权
标题翻译：具有催化塔和催化塔的化学净化液体分解系统
公开(公告)号：US06767519B2
公开(公告)日：2004-07-27
申请号：US09791693
申请日：2001-02-26
申请人： Motoaki Sakashita , Katsuo Yokota , Yasushi Kobayashi , Kazumi Anazawa
发明人： Motoaki Sakashita , Katsuo Yokota , Yasushi Kobayashi , Kazumi Anazawa
IPC分类号： B01J800
CPC分类号： B01J8/0015 , B01J8/0085 , B01J8/025 , B01J8/0257 , B01J2219/185
摘要： An object of the present invention is to provide a chemical decontamination liquid decomposing system having a catalyst tower which has a mesh filter capable of certainly preventing catalyst from flowing out and a mechanism of pushing-down the catalyst capable of preventing convection of the catalyst caused by decomposition gas. The catalyst tower in accordance with the present invention used for decomposing a chemical decontamination liquid comprises an inlet pipe, a catalyst for decomposing the chemical decontamination liquid, an outlet mesh filter for preventing the catalyst from flowing out, an outlet pipe, a catalyst charging port for charging the catalyst, a catalyst pushing-down mechanism for preventing occurrence of convection of the catalyst caused by a decomposed gas and so on. The outlet mesh filter is arranged so as to closely attached to the inner surface of the catalyst tower and to the inner surface of the catalyst charging port.
摘要翻译：本发明的目的是提供一种具有催化塔的化学去污液分解系统，该催化塔具有能够有效防止催化剂流出的网状过滤器，并且能够抑制能够防止催化剂对流引起的催化剂的机理用于分解化学去污液的根据本发明的催化剂塔包括入口管，用于分解化学去污液的催化剂，用于防止催化剂流出的出口网过滤器，出口管，用于装载催化剂的催化剂装料口，用于防止由分解气体引起的催化剂对流等的催化剂下推机构。出口网过滤器布置成紧密地附着在催化塔的内表面和催化剂装料口的内表面上。

9. 发明授权

US5215829A Method for strengthening pressure resistance of a hollowed metallic structure and a pressure resistant structure made thereby 失效
标题翻译：用于加强中空金属结构的耐压性和由此制成的耐压结构的方法
公开(公告)号：US5215829A
公开(公告)日：1993-06-01
申请号：US645489
申请日：1991-01-24
申请人： Takashi Matsunobu , Kenzi Aizawa , Kazumi Anazawa , Kunio Enomoto
发明人： Takashi Matsunobu , Kenzi Aizawa , Kazumi Anazawa , Kunio Enomoto
IPC分类号： G21D1/00 , C21D7/12 , C21D9/08 , C21D9/14
CPC分类号： C21D7/12 , C21D9/14 , C21D2221/10 , C21D2281/02 , Y10S148/909 , Y10T428/12292
摘要： A method for strengthening a pressure resistant property of a hollowed structure made of a metallic material and a pressure resistant hollowed structure made by such method. The method includes providing a temperature differential in a thickness direction between an outer side and an inner side of the metallic material with an arranged sufficient to generate a stress not exceeding a yielding stress of the metallic material. The outer side and inner side are pressurized so as to superimposed a stress generated by the pressurizing and the stress caused by the temperature differential reaching the yielding stress of the metallic material. The pressure is released subsequent to the superimposed stress reaching a level of the yielding stress of the metallic material. The compressive residual stress has a larger absolute value than a tensile stress caused in the inner side of the hollowed structure by the internal pressure, with the tensile residual stress in an outer side of the hollowed structure having a value of less than the tensile yielding stress of the metallic material even though the tensile stress is superimposed in the outer side of the hollowed structure by the internal pressure.
摘要翻译：一种用于加强由金属材料制成的中空结构的耐压特性的方法和通过这种方法制成的耐压中空结构。该方法包括在金属材料的外侧和内侧之间沿厚度方向提供温度差，其布置足以产生不超过金属材料的屈服应力的应力。外侧和内侧被加压，以叠加由加压产生的应力和由温差导致的应力达到金属材料的屈服应力。在叠加的应力达到金属材料的屈服应力的水平之后释放压力。压缩残余应力的绝对值比通过内部压力在中空结构的内侧产生的拉伸应力大，中空结构的外侧的拉伸残余应力小于拉伸屈服应力即使拉伸应力通过内部压力叠加在中空结构体的外侧。

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