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    • 2. 发明专利
    • Radioactive material shielding structure and radioactive material storage facility
    • 放射性材料屏蔽结构和放射性物质储存设备
    • JP2013104734A
    • 2013-05-30
    • JP2011247687
    • 2011-11-11
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • NOGUCHI HIRONORIKASAHARA JIROIWAI MASARUKAWAHARA YOSHIYUKIISHIBU DAIICHIMORISHIMA MAKOTOENOMOTO TAKESHI
    • G21F3/00G21C19/06G21F9/36
    • PROBLEM TO BE SOLVED: To provide a radioactive material shielding structure and a radioactive material storage facility capable of maintaining high shielding performance of radioactive material while ensuring cooling performance of the radioactive material.SOLUTION: A radioactive material shielding structure 2 includes: a first blade unit 41 having a plurality of first wing plates 51 disposed at a distance from each other extending in a direction (A-direction) perpendicular to an axial line with respect to air flowing from the upstream side to the downstream side of a duct communicating in an axial line direction (X-direction); and a second blade unit 42 having a plurality of second wing plates 61 disposed at a distance from each other, which is disposed at the downstream side of the first blade unit 41 at a distance therefrom, extending in a direction (B-direction) opposite to the direction with respect from the upstream side to the downstream side. Each of the first wing plates 51 and the second wing plates 61 has a front end portion 52, 62 formed at the upstream side along the axial line with respect from the upstream side to the downstream side.
    • 解决的问题:提供能够在确保放射性物质的冷却性能的同时保持放射性物质的高屏蔽性的放射性材料屏蔽结构和放射性物质储存设备。 解放射线材料屏蔽结构2包括:第一叶片单元41,其具有多个第一翼板51,第一翼板51相对于轴线相对于垂直于轴线的方向(A方向)彼此间隔一定距离设置; 从沿轴线方向(X方向)连通的管道的上游侧向下游侧流动的空气; 以及第二刀片单元42,其具有多个彼此间隔设置的第二翼板61,第二翼板61设置在与第一刀片单元41的距离相对的第一刀片单元41的下游侧。 相对于上游侧到下游侧的方向。 第一翼板51和第二翼板61中的每一个具有形成在相对于上游侧到下游侧的轴线的上游侧的前端部52,62。 版权所有(C)2013,JPO&INPIT
    • 4. 发明专利
    • Seal structure and rotating machine
    • 密封结构和旋转机
    • JP2013190059A
    • 2013-09-26
    • JP2012057312
    • 2012-03-14
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • NOGUCHI HIRONORITANIMOTO KOICHIUCHIUMI HARUSUKE
    • F16J15/447F04D29/10
    • PROBLEM TO BE SOLVED: To improve the reliability of a seal structure by preventing the occurrence of a temperature fluctuation phenomenon, in the seal structure which is arranged between a rotating body and a stationary body arranged so as to oppose the radial direction of the rotating body, and seals a clearance between a high-temperature fluid at an axial one side of the rotating body and a low-temperature fluid at the other side.SOLUTION: There is provided a seal structure comprising: a labyrinth 12 which is formed at a stationary body 10 so as to oppose a peripheral face of a rotating body 20 between the axial one side of the rotating body 20 and the other side, and in which a recess and a protrusion 12A are alternately formed in an axial direction; and a first heat exchanging passage 15A which is arranged at the back of the labyrinth 12, into which a high-temperature fluid is introduced while communicating with the axial one side, and which performs heat exchange with a fluid circulating to a first clearance 31 between the labyrinth 12 and the rotating body 20.
    • 要解决的问题:为了通过防止发生温度波动现象来提高密封结构的可靠性,在设置在与旋转体的径向相对配置的旋转体和静止体之间的密封结构中 并且密封在旋转体的轴向一侧的高温流体与另一侧的低温流体之间的间隙。解决方案:提供了一种密封结构,包括:迷宫12,其形成在静止 以与旋转体20的轴向一侧和另一侧之间的旋转体20的周面相对,并且在轴向上交替地形成有凹部和突起12A的主体10。 以及布置在迷宫12的后部的第一热交换通道15A,其中与轴向一侧连通时,引入高温流体,并且与在第一间隙31之间循环的流体进行热交换, 迷宫12和旋转体20。
    • 5. 发明专利
    • Sludge storage tank
    • 垃圾储存罐
    • JP2013154933A
    • 2013-08-15
    • JP2012018409
    • 2012-01-31
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • KUSHIOKA KIYONORIMADOKORO HIDEKIMURATA KAZUTOYONOGUCHI HIRONORISHIKATA MASANORITAKADA TOMONARI
    • B65D90/00
    • PROBLEM TO BE SOLVED: To provide a sludge storage tank configured to prevent adhesion of settled sludge by securing fluidity of the sludge inside.SOLUTION: A sludge storage tank includes: a tank body 11 which has a hollow cylindrical shape, is arranged with its longitudinal direction along a horizontal direction, to store a liquid S containing sludge; a supply part 12 which can supply the liquid S containing the sludge from an upper part of the tank body 11; a discharge part 13 which sucks and discharges the liquid S containing the sludge from the upper part of the tank body 11; a gas jetting device 14 which jets gas toward a bottom part in the tank body 11; and a guide member 15 which generates an upflow of the liquid S containing the sludge by restricting a flow of air jetted from the gas jetting device 14.
    • 要解决的问题:提供一种通过确保污泥的流动性来防止沉降污泥粘附的污泥储罐。解决方案:一种污泥储罐包括:具有中空圆柱形状的罐体11,其纵向 方向沿水平方向,以储存含有S的污泥; 能够从罐体11的上部供给含有污泥的液体S的供给部12; 排出部13,其从罐主体11的上部抽吸含有污泥的液体S; 气体喷射装置14,其朝向罐体11中的底部喷射气体; 以及引导构件15,其通过限制从气体喷射装置14喷射的空气的流动而产生含有污泥的液体S的向上流。
    • 9. 发明专利
    • Metal airtight container and its corrosion prevention method
    • 金属空气容器及其腐蚀预防方法
    • JP2006125905A
    • 2006-05-18
    • JP2004311799
    • 2004-10-27
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • TANAKA KAZUHISANOGUCHI HIRONORIHOJO KIMINOBUKISHIMOTO JUNICHIMINAMI MASAHARU
    • G21C19/32G21F5/12G21F9/36
    • PROBLEM TO BE SOLVED: To provide a corrosion prevention method for metal airtight container, in which a cause of corrosion is removed by efficiently washing the gasket part as the airtight boundary of a cask, remaining water quantity is minimized before drying of cask cavity (whole inside where a fuel assembly is placed), the drying load is lowered in later processes, and drying performance is improved. SOLUTION: The metal airtight container comprises: a container body 1 of which the open end is provided with a lid attaching part 1a; an upper lid 2 tightened to the lid attaching part 1a; and a seal member 3 intervening between the lid attaching part 1a and the upper lid 2. A spacer bolt 5 is penetrated vertically into the upper lid 2 and its lower end is projected from the lower surface of the upper lid 2 to contact the lid attaching part 1a so that a gap G to be a flow path for draining washing water injected to the seal member 3 is formed between the upper lid 2 and the attaching part 1a. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:为了提供金属密封容器的防腐蚀方法,其中通过有效地洗涤作为桶的气密边界的垫圈部分来去除腐蚀的原因,在桶的干燥之前剩余的水量被最小化 空腔(放置燃料组件的内部),干燥负荷在后续过程中降低,并且干燥性能得到改善。 金属密封容器包括:容器体1,其开口端设有盖附接部分1a; 上盖2紧固到盖安装部1a; 以及密封构件3,其插入在盖安装部1a和上盖2之间。间隔螺栓5被垂直地穿入上盖2,并且其下端从上盖2的下表面突出以接触盖附接 使得在上盖2和安装部1a之间形成作为用于排出喷射到密封构件3的洗涤水的流动路径的间隙G. 版权所有(C)2006,JPO&NCIPI
    • 10. 发明专利
    • System and control method for internally cooling reactor containment vessel
    • 用于内部冷却反应器容器的系统和控制方法
    • JP2013181880A
    • 2013-09-12
    • JP2012046583
    • 2012-03-02
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • YOSHII DAICHINOGUCHI HIRONORIUCHIUMI HARUSUKENAKATANI JUNNOSUKE
    • G21C9/004F24F7/06F24F11/02G21C9/00G21C13/00
    • Y02E30/40
    • PROBLEM TO BE SOLVED: To enable continuous cooling of the inside of a reactor containment vessel as long as possible by efficiently using a limited amount of cooling water pooled.SOLUTION: A reactor containment vessel internal cooling system 1 includes: a cooling coil 3 which is supplied with cooling water and cools inside a reactor containment vessel 2; cooling water supply means 8, 9 and 10 for supplying cooling water to the cooling coil 3; a water supply adjustment valve 11 for adjusting the amount of cooling water supplied; a cooling water drain valve 12; supply and drain water flow rate sensing units 13 and 15 for individually sensing flow rates of cooling water on the upstream side and downstream side of the cooling coil 3; supply and drain water pressure sensing units 14 and 16 for sensing cooling water pressure in the cooling coil 3; an internal temperature sensing unit 18 for the reactor containment vessel 2; an internal pressure sensing unit 19 for the reactor containment vessel 2; and a control unit 21 which sets the aperture of the water supply adjustment valve 11 on the basis of sensed information from each of the sensing units such that the internal temperature of the reactor containment vessel 2 is kept at or below a specified temperature and the cooling water flow rate is kept at a required minimum.
    • 要解决的问题:通过有效地使用有限量的冷却水,尽可能长时间地连续冷却反应堆容器的内部。解决方案:反应堆容器内部冷却系统1包括:冷却盘管3,其是 供应冷却水并在反应堆安全壳2内冷却; 用于向冷却盘管3供给冷却水的冷却水供给装置8,9和10; 用于调节供应的冷却水量的供水调节阀11; 冷却水排出阀12; 供水和排水水流量检测单元13和15,用于单独检测冷却盘管3的上游侧和下游侧的冷却水的流量; 用于感测冷却盘管3中的冷却水压力的供水和排水水压检测单元14和16; 用于反应堆安全壳2的内部温度检测单元18; 用于反应堆安全壳2的内部压力感测单元19; 以及控制单元21,其基于来自每个感测单元的感测信息来设定供水调节阀11的孔径,使得反应堆容纳容器2的内部温度保持在或低于规定温度,并且冷却 水流量保持在所需的最小值。