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1. 发明专利

JP2010006618A Method and apparatus for regulating uranium enrichment for high-temperature gas-cooled reactor 有权
标题翻译：用于调节高温气体冷却反应器的铀浓缩的方法和装置
公开(公告)号：JP2010006618A
公开(公告)日：2010-01-14
申请号：JP2008164919
申请日：2008-06-24
申请人： Nuclear Fuel Ind Ltd , 原子燃料工業株式会社
发明人： YASUDA ATSUSHI , TAKAHASHI MASASHI
IPC分类号： C01G43/00
CPC分类号： Y02E30/33 , Y02E30/38
摘要： PROBLEM TO BE SOLVED: To provide a method and an apparatus for regulating an uranium enrichment of a fuel for a high-temperature gas-cooled reactor, which does not need waste fluid treatment and can shorten treatment time. SOLUTION: At least two U 3 O 8 powder aggregates are selected from a plurality of U 3 O 8 powder aggregates having different uranium enrichments each other and each having 4.8 KgU or less in terms of uranium. Amounts proportionally distributed so that the total weighed amount becomes 4.8 KgU or less in terms of uranium and makes a desired uranium enrichment are weighed and collected respectively from the selected plurality of U 3 O 8 powder aggregates. After the difference between the total value X of weighed values of respective weighed U 3 O 8 powder aggregates and the weighed value Y of a united U 3 O 8 powder aggregate obtained by uniting respecrive weighed U 3 O 8 powder aggregates is checked to be within the range of a prescribed threshold value, uranyl nitrate is formed by dissolving the united U 3 O 8 powder aggregate in nitric acid. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于调节用于高温气冷反应堆的燃料的铀浓缩的方法和装置，其不需要废液处理并且可以缩短处理时间。
解决方案：至少两个U SB 3 O SB SB 8粉末聚集体选自多个U SB 3 O 3 / SB>具有彼此不同的铀浓缩物并且各自具有4.8kgU或更小的铀的粉末聚集体。按比例分配的量，使得总称重量以铀计为4.8KgU或更低，并且从所选择的多个U SB 3中分别称取和收集所需的铀浓缩物， SB>粉末聚集体。在各个称重的U 3 SBB粉末聚集体的称重值的总值X与合并U SB 3的SB的加权值Y之差将通过结合重量的重量为3g / kg的粉末聚集体获得的粉末聚集体检查在规定的阈值范围内，硝酸铀酰是通过将联合的U 3 SBB粉末骨料溶解在硝酸中形成的。版权所有（C）2010，JPO＆INPIT

2. 发明专利

JP2006289281A Volume reduction apparatus and method for waste graphite material 审中-公开
标题翻译：废弃石墨材料的减量装置和方法
公开(公告)号：JP2006289281A
公开(公告)日：2006-10-26
申请号：JP2005114920
申请日：2005-04-12
申请人： Nuclear Fuel Ind Ltd , 原子燃料工業株式会社
发明人： YASUDA ATSUSHI
IPC分类号： B02C18/14 , B02C18/18 , B02C18/22
摘要： PROBLEM TO BE SOLVED: To provide a volume reduction apparatus for waste graphite material generated as a result of production of fuel for a high temperature gas-cooled furnace, which can realize simple and rapid crushing, continuous crushing, preferable fragmentation of crushed graphite materials and significant volume reduction, and a volume reduction method for waste graphite material.
SOLUTION: The volume reduction apparatus for waste graphite materials is provided with a crushing chamber 11 having an upper inlet 12 and a lower outlet 14, a fixed crushing blade 22 disposed on an inner wall surface of the crushing chamber 11, a screen (sieving) structure 16 disposed to cover the outlet 14 of the crushing chamber 11, a rotation body 31 disposed to be freely rotatable in the crushing chamber 11, a rotating crushing blade 33 disposed on the outer peripheral surface of the rotation body 31 corresponding to the fixed crushing blade 22, and a member 51 for collecting crushed products, which is installed to be freely removable at the outlet 14 of the crushing chamber 11 under the screen structure 16 and has a storage space.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：提供一种由于生产用于高温气冷炉的燃料而产生的废石墨材料的体积减小装置，其可以实现简单和快速的破碎，连续破碎，优选的破碎石墨材料和体积减少，废石墨材料的体积减少方法。废石墨材料的体积减小装置设置有具有上入口12和下出口14的破碎室11，设置在破碎室11的内壁表面上的固定破碎刀片22，筛网（筛分）结构16，其设置成覆盖破碎室11的出口14;旋转体31，设置成可在破碎室11中自由旋转;旋转破碎刮板33，设置在旋转体31的外周面上，对应于固定破碎刀片22和用于收集破碎产品的构件51，其被安装成可以在筛网结构16下方的破碎室11的出口14处可自由移动并且具有存储空间。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2006184230A Gas feeder for coating fuel particle used in high temperature gas-cooled reactor 有权
标题翻译：用于在高温气体冷却反应器中使用的燃料颗粒的气体进料器
公开(公告)号：JP2006184230A
公开(公告)日：2006-07-13
申请号：JP2004380649
申请日：2004-12-28
申请人： Nuclear Fuel Ind Ltd , 原子燃料工業株式会社
发明人： YASUDA ATSUSHI
IPC分类号： G21C21/02 , G21C3/62
CPC分类号： Y02E30/33 , Y02E30/38
摘要： PROBLEM TO BE SOLVED: To provide a gas feeder for coating fuel particles used in a high temperature gas-cooled reactor having no possibility of affecting a coating layer thickness, density and an SiC layer damage rate of a product. SOLUTION: This gas feeder supplies coating gas into a fluidized bed reaction tube executed with four layers of coating layers which are the first coating layer as a buffer for absorbing swelling of a gas reservoir for a gaseous fission product and a fuel kernel, on a surface of the fuel kernel of sintered uranium dioxide, the second coating layer as a holding function for the gaseous fission product, the third coating layer as a holding function for the gaseous fission product and a strength member function, and the fourth coating layer as a holding function for the gaseous fission product and a protection layer function for the third coating layer. The feeder is provided with a temperature regulation means for regulating a temperature of an evaporation gas generating vessel for generating the third coating gas supplied into a fluidized bed reactor when forming the third coating layer, and the temperature regulation means includes temperature regulation for one or more out of an upper lid part for the evaporation gas generating vessel, a hydrogen gas introducing pipe for introducing hydrogen gas into the generating vessel, and a generated gas drawing-out pipe for drawing out generated gas generated in the generating vessel. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于涂覆用于高温气冷堆的燃料颗粒的气体供给器，其不可能影响产品的涂层厚度，密度和SiC层损伤率。解决方案：该气体供给器将涂覆气体供给到具有四层涂层的流化床反应管中，该层是作为用于吸收用于气体裂变产物和燃料核的气体储存器的溶胀的缓冲剂的第一涂层，在烧结二氧化铀的燃料粒子的表面上，作为气体裂变产物的保持功能的第二涂层，作为气体裂变产物的保持功能的第三涂层和强化部件功能，以及第四涂层作为气体裂变产物的保持功能和用于第三涂层的保护层功能。进料器设置有温度调节装置，用于在形成第三涂层时调节用于产生供应到流化床反应器中的第三涂层气体的蒸发气体发生容器的温度，并且温度调节装置包括用于一个或多个用于蒸发气体发生容器的上盖部分，用于将氢气引入发生容器的氢气引入管和用于抽出在发电容器中产生的产生气体的产生气体抽出管。版权所有（C）2006，JPO＆NCIPI

4. 发明专利

JP2006003093A Cleaning device for fluidized bed reaction tube 审中-公开
标题翻译：用于流化床反应管的清洁装置
公开(公告)号：JP2006003093A
公开(公告)日：2006-01-05
申请号：JP2004176660
申请日：2004-06-15
申请人： Nuclear Fuel Ind Ltd , 原子燃料工業株式会社
发明人： YASUDA ATSUSHI
IPC分类号： G21F9/28
摘要： PROBLEM TO BE SOLVED: To provide a reaction tube cleaning device rapidly cleaning the inside of a fluidized bed reaction tube without troubling a worker after taking out a product in a fluidized bed facility used in a covering process. SOLUTION: This cleaning device cleaning adhering matter adhering to the inside of the covering-processing fluidized bed reaction tube for a fuel kernel in a nuclear fuel production process for a high-temperature gas furnace cleans a reaction tube inner side face except an upper lid part by: a vessel part stuck fast to an lower part of the upper lid part such that the vessel part surrounds the periphery of an inner wall area exposed inside the reaction tube of the upper lid part separated from the reaction tube; a lid part cleaning the upper lid part inner wall face by both a rotation brush means abutting on the inner wall area of the upper lid part surrounded by the stuck vessel part and a dust collection means formed with a suction port in the bottom face of the vessel part, or covering an opening from which the upper lid part is removed and tightly closing the reaction tube; a rotary shaft penetrating the lid part and movable in the height direction of the reaction tube; a large number of brush parts formed in a tip part of the rotary shaft such that the brush parts are extended in an inner side face direction of the reaction tube; and the dust collection means formed with the suction port in the tip of the rotary shaft. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种反应管清洗装置，其在采用在覆盖过程中使用的流化床设备中取出产品之后，迅速清洗流化床反应管的内部，而不会使工人困扰。解决方案：在用于高温气体炉的核燃料生产过程中，附着在用于燃料芯的覆盖加工流化床反应管内部的清洁装置清洗反应管内侧面，除了上盖部分是：容器部分紧贴在上盖部分的下部，使得容器部分围绕暴露在与反应管分离的上盖部分的反应管内部的内壁区域的周边; 盖部件，通过抵接在由被卡住的容器部分包围的上盖部分的内壁区域上的旋转刷装置清洁上盖部分内壁面;以及灰尘收集装置，该灰尘收集装置形成在吸收口的底面中的吸入口或者覆盖从其中去除上盖部分并且紧紧关闭反应管的开口; 穿过所述盖部并且能够在所述反应管的高度方向上移动的旋转轴; 形成在所述旋转轴的前端部的大量刷部，使得所述刷部在所述反应管的内侧面方向延伸; 以及形成有旋转轴的尖端中的吸入口的灰尘收集装置。版权所有（C）2006，JPO＆NCIPI

5. 发明专利

JP2007132895A Device and method for manufacturing coated fuel particle for high temperature gas-cooled reactor 有权
标题翻译：用于制造高温气体冷却反应器的涂层燃料颗粒的装置和方法
公开(公告)号：JP2007132895A
公开(公告)日：2007-05-31
申请号：JP2005328628
申请日：2005-11-14
申请人： Nuclear Fuel Ind Ltd , 原子燃料工業株式会社
发明人： YASUDA ATSUSHI
IPC分类号： G21C3/62 , G21C21/02
CPC分类号： Y02E30/33 , Y02E30/38
摘要： PROBLEM TO BE SOLVED: To provide a device for manufacturing coated fuel particles for a high temperature gas-cooled reactor which includes a safety mechanism that can work without clogging any pipes by holding fuel kernels in a reaction container when an abnormality occurs in the supply of a combustible gas to the container and a method for manufacturing them. SOLUTION: In the device for manufacturing the coated fuel particles for a high temperature gas-cooled reactor, at least one of fluidized gas supply sources supplies an inactive gas. The device includes the safety mechanism with supply pipes for feeding each fluidized gas and each material coating gas to the reaction container respectively, a pressure switch and an on-off valve mounted on each supply pipe, a flow rate regulation means mounted on fluidized gas supply pipes and a control unit which judges any abnormality in the supply of gases to switch between the opening and the closing of the on-off valve. The control unit of the safety mechanism both closes the on-off valves of the pipes responding to the change in pressure and controls the supply of the fluidized gas to the reaction container by the flow rate regulation means in the fluidized gas supply pipes to create an atmosphere of an inactive fluidized gas in the reaction container. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：提供一种用于制造用于高温气冷反应堆的涂覆燃料颗粒的装置，其包括安全机构，该安全机构可以在异常发生时通过将反应容器中的燃料粒子保持而不堵塞任何管道向容器供应可燃气体及其制造方法。解决方案：在用于制造用于高温气冷反应堆的涂覆燃料颗粒的装置中，至少一种流化气体供应源提供惰性气体。该装置包括安全机构，其具有用于将各流化气体和每种材料涂覆气体分别供给到反应容器的供给管，安装在每个供应管上的压力开关和开关阀，安装在流化气体供应上的流量调节装置管道和控制单元，其判断气体供应中的任何异常在开关阀的打开和关闭之间切换。安全机构的控制单元根据压力的变化关闭管道的开关阀，并通过流化气体供给管中的流量调节装置控制向反应容器的流化气体的供给，从而产生在反应容器中的惰性流化气体的气氛。版权所有（C）2007，JPO＆INPIT

6. 发明专利

JP2007132894A Device for manufacturing fuel particle for high temperature gas-cooled reactor 有权
标题翻译：用于制造高温气体冷却反应器的燃料颗粒的装置
公开(公告)号：JP2007132894A
公开(公告)日：2007-05-31
申请号：JP2005328627
申请日：2005-11-14
申请人： Nuclear Fuel Ind Ltd , 原子燃料工業株式会社
发明人： YASUDA ATSUSHI
IPC分类号： G21C21/02
摘要： PROBLEM TO BE SOLVED: To manufacture coated fuel particles including a ZrC-coated layer at low costs because this device can utilize established facilities which have used material test specifications (MTSs) traditionally.
SOLUTION: In a device for manufacturing fuel particles for a high temperature gas-cooled reactor which includes a fluidized-bed reaction device that gives coating layers with the function of retaining solid nuclear fission products and that as a main strength member of the coating layers to the surface of fuel particles made by sintering uranium dioxide and a gas supply device for a fluidized bed that supplies a coating gas into the reaction device, the third coating layer is the ZrC coating layer obtained by the thermal decomposition of the coating gas consisting of a zirconium halide gas sublimed in a zirconium halide gas evolution tank, a methane gas and a hydrogen gas. The third coating layer includes one or more shelves for loading zirconium halide into the zirconium halide gas evolution tank and a fluidized gas supply means for supplying a fluidized gas from just above each shelve to the zirconium halide in the shelve.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：以低成本制造包括ZrC涂层的涂层燃料颗粒，因为该装置可以利用传统上使用材料试验规格（MTS）的已建立的设施。解决方案：在用于制造用于高温气冷反应堆的燃料颗粒的装置中，该装置包括流化床反应装置，其给予具有保留固体核裂变产物功能的涂层，并且作为主要强度成分通过烧结二氧化铀制造的燃料颗粒的表面涂覆层和向反应装置供给涂布气体的流化床的气体供给装置，第三涂层是通过涂覆气体的热分解获得的ZrC涂层由在卤化锆气体放出槽中升华的卤化锆气体，甲烷气体和氢气组成。第三涂层包括用于将卤化锆加载到卤化锆气体放出槽中的一个或多个搁板，以及用于将来自刚好在每个搁板上方的流化气体供应到搁板中的卤化锆的流化气体供应装置。版权所有（C）2007，JPO＆INPIT

7. 发明专利

JP2006145363A Apparatus for manufacturing fuel particle for high temperature gas-cooled reactor 审中-公开
标题翻译：制造用于高温气体冷却反应器的燃料颗粒的装置
公开(公告)号：JP2006145363A
公开(公告)日：2006-06-08
申请号：JP2004335369
申请日：2004-11-19
申请人： Nuclear Fuel Ind Ltd , 原子燃料工業株式会社
发明人： YASUDA ATSUSHI
IPC分类号： G21C21/02 , G21C3/62
CPC分类号： Y02E30/38
摘要： PROBLEM TO BE SOLVED: To provide an apparatus for manufacturing coated fuel particles in a high temperature gas-cooled reactor fuel that does not affect the thickness and density of a third coated layer and can manufacture the stable third coating layer. SOLUTION: This apparatus for manufacturing the fuel particles for a high temperature gas-cooled reactor comprises a fluidized-bed reaction vessel for forming four coated layers on the surface of the fuel particles formed by sintering uranium dioxide. The four coated layers are a first coated layer having a function as a buffer for reserving gas of a gas-like fission product and absorbing swelling of the fuel particles, a second coated layer having a holding function of the gas-like fission product, the third coated layer having a holding function and a strength member function of a solid fission product, and a fourth coated layer having a holding function of the gas-like fission product and a protective layer function of the third coated layer. The apparatus also comprises a gas supply device for a fluidized-bed for supplying the coating gas into the reaction vessel. The apparatus also comprises a tank temperature regulating means for regulating the temperature of the evaporation gas generating tank for generating third coating gas supplied into the fluidized-bed reaction vessel in forming the third coated layer. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供一种在不影响第三涂层的厚度和密度的高温气冷反应堆燃料中制造涂覆燃料颗粒的装置，并且可以制造稳定的第三涂层。解决方案：用于制造用于高温气冷反应堆的燃料颗粒的装置包括流化床反应容器，用于在通过烧结二氧化铀形成的燃料颗粒的表面上形成四个涂层。四个涂覆层是具有作为用于保留气体状裂变产物的气体并吸收燃料颗粒的膨胀的缓冲剂的功能的第一涂层，具有气体状裂变产物的保持功能的第二涂层，具有保持功能和固体裂变产物的强度构件功能的第三涂层，以及具有气体状裂变产物的保持功能的第四涂层和第三涂层的保护层功能。该装置还包括用于将涂覆气体供应到反应容器中的用于流化床的气体供应装置。该装置还包括用于调节用于在形成第三涂层时供应到流化床反应容器中的第三涂层气体的蒸发气体发生罐的温度的罐温度调节装置。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JPH11278847A Production of zirconia particle 失效
标题翻译：生产ZIRCONIA颗粒
公开(公告)号：JPH11278847A
公开(公告)日：1999-10-12
申请号：JP10392198
申请日：1998-03-30
申请人： Nuclear Fuel Ind Ltd , 原子燃料工業株式会社
发明人： YASUDA ATSUSHI
IPC分类号： C04B35/48 , C01G25/02
摘要： PROBLEM TO BE SOLVED: To mass-produce zirconia particles to be used as a pulverizing medium while easily controlling the diameter of the particles with good sphericity.
SOLUTION: A powder of zirconium oxinitrate or zirconium oxichloride is dissolved with a gelling assistant and a crystal phase stabilizer in water to prepare a source liquid for dropping. The source liquid for dropping is dropped in a solidifying soln. by a vibration dropping method or the like to obtain gel spheres of zirconium. The gel spheres of zirconium are washed, dried and sintered to obtain zirconia particles.
COPYRIGHT: (C)1999,JPO
摘要翻译：要解决的问题：大量生产用作粉碎介质的氧化锆颗粒，同时容易地控制具有良好球形度的颗粒的直径。解决方案：将水溶性助剂和结晶相稳定剂溶解在水中，将硝酸氧锆或二氯氧化锆粉末溶解，制备出液体。用于滴加的源液滴落在凝固溶胶中。通过振动滴落法等来获得锆的凝胶球。将锆的凝胶球洗涤，干燥并烧结，得到氧化锆颗粒。

9. 发明专利

JP2006300639A Coated fuel particle recovery method from fuel for high-temperature gas-cooled reactor 审中-公开
标题翻译：用于高温气体冷却反应器的燃料的涂覆燃料颗粒回收方法
公开(公告)号：JP2006300639A
公开(公告)日：2006-11-02
申请号：JP2005120907
申请日：2005-04-19
申请人： Nuclear Fuel Ind Ltd , 原子燃料工業株式会社
发明人： YASUDA ATSUSHI
IPC分类号： G21C3/62
CPC分类号： Y02E30/33 , Y02E30/38
摘要： PROBLEM TO BE SOLVED: To provide a method capable of changing a product failure portion of a uranium fuel for a high-temperature gas-cooled reactor into a reusable state more simply than hitherto. SOLUTION: This method for recovering coated fuel particles from the fuel for the high-temperature gas-cooled reactor has an electric cracking process wherein the fuel is used as a positive electrode in the dipped state into acid solution, and a voltage is applied between the positive electrode and a negative electrode comprising a metal electrode, to thereby crack the fuel by electrolysis; a cleaning drying process for filtering, cleaning and then drying a cracked object acquired in the electric cracking process; and a sieving selecting process for sieving coated fuel particles in a prescribed particle size range by passing the dried cracked object through a sieve having a mesh determined beforehand. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够比迄今为止更简单地将用于高温气冷反应堆的铀燃料的产物破坏部分改变为可再利用状态的方法。解决方案：用于从用于高温气冷反应堆的燃料中回收涂覆的燃料颗粒的方法具有电裂解过程，其中将燃料用作浸渍状态的正极进入酸溶液，电压为施加在正极和包含金属电极的负极之间，由此通过电解裂解燃料; 一种用于过滤，清洁和干燥在电裂解过程中获得的裂纹物体的清洁干燥过程; 以及通过使干燥的裂化物通过预先确定的筛网的筛子筛选规定粒径范围的涂覆的燃料粒子的筛分选择方法。版权所有（C）2007，JPO＆INPIT

10. 发明专利

JP2006292583A Fuel kernel feed/coated fuel particle recovery method and device for fluidized bed processor 审中-公开
标题翻译：用于流化床处理器的燃料注入/涂覆燃料颗粒恢复方法和装置
公开(公告)号：JP2006292583A
公开(公告)日：2006-10-26
申请号：JP2005114829
申请日：2005-04-12
申请人： Nuclear Fuel Ind Ltd , 原子燃料工業株式会社
发明人： YASUDA ATSUSHI
IPC分类号： G21C3/62 , G21C21/02
CPC分类号： Y02E30/33 , Y02E30/38
摘要： PROBLEM TO BE SOLVED: To prevent quality of a product from being deteriorated by oversupply of a fuel kernel (raw material), and to automate work ranging over from feed of the raw material to recovery of a coated fuel particle (product). SOLUTION: Upper and lower hoppers 40, 42, and raw material feed valves 40V, 42V in downstreams thereof are controlled to be opened and closed, so as to preclude the excessive raw material from being fed into a reaction tube 16, a lower nozzle 22 and an upper nozzle 24 are lowered to be separated from a lower end opening of the reaction tube 16, so as to open a lower end of the reaction tube 16, the coated fuel particle P is drawn out into the product taking-out member 60 around the lower nozzle 22 from the opening, and the raw material feed work is linked with the product taking-out work to automate the work. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：为了防止由于燃料核（原料）供应过剩而使产品的质量劣化，并使从原料的进料到包装的燃料颗粒（产品）的回收的工作自动化，。解决方案：将下游的上，下料斗40,42及原料供给阀40V，42V控制为打开和关闭，以防止过量的原料进料到反应管16中，下喷嘴22和上喷嘴24被降低以与反应管16的下端开口分离，以打开反应管16的下端，将涂覆的燃料粒子P引出到产品取出口中，出口部件60从开口处围绕下喷嘴22，并且原料进给工作与产品取出工作相关联以使工作自动化。版权所有（C）2007，JPO＆INPIT

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