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    • 2. 发明专利
    • Reactor core restriction mechanism
    • 反应堆核心限制机制
    • JP2012194040A
    • 2012-10-11
    • JP2011057958
    • 2011-03-16
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • MIZOGAMI YORITAKAIMANISHI KATSUOMIKOYAMA SUNAOMINAZUKI ISAOFUJIMORI KOJISHIMIZU KATSUSUKE
    • G21C5/10
    • Y02E30/40
    • PROBLEM TO BE SOLVED: To provide a reactor core restriction mechanism which is capable of achieving further cost reduction and compaction while having functions and performances equal to a conventional reactor core restriction mechanism.SOLUTION: A reactor core restriction mechanism comprises an annular support ring 9 surrounding a reactor core block 2 and a support 8 which is provided between the support ring 9 and the reactor core block 2, the outer end of which is supported on an inner circumference of the support ring 9 and the inner end of which is abutted to an outer circumference of the reactor core block 2. The amount of deformation of the support ring 9 in a diameter direction with respect to a temperature change is set greater than the amount of deformation of the reactor core block 2 in the diameter direction with respect to a temperature change, and the amount of deformation between the both ends of the support 8 with respect to a temperature change is set greater than the amount of deformation of the support ring 9 in the diameter direction with respect to the temperature change.
    • 解决的问题:提供一种反应堆堆芯限制机构,其能够实现进一步的成本降低和压实,同时具有与传统的反应堆堆芯限制机构相同的功能和性能。 解决方案:反应堆堆芯限制机构包括围绕反应堆芯块2的环形支撑环9和设置在支撑环9和反应堆芯块2之间的支撑件8,其外端支撑在 支撑环9的内周,其内端与反应堆芯块2的外周抵接。支撑环9相对于温度变化在直径方向上的变形量设定为大于 相对于温度变化,反应堆芯块2在直径方向上的变形量以及支撑件8的相对于温度变化的两端之间的变形量被设定为大于支撑件的变形量 环9相对于温度变化在直径方向上。 版权所有(C)2013,JPO&INPIT
    • 3. 发明专利
    • High-temperature gas reactor steam power generation system
    • 高温气体反应器蒸汽发电系统
    • JP2013088207A
    • 2013-05-13
    • JP2011227459
    • 2011-10-14
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • MINAZUKI ISAOMIZOGAMI YORITAKAKOYAMA SUNAOTSUKAMOTO HIROTAKA
    • G21D3/08G21C1/12
    • G21C15/18F22B35/004G21C1/09G21C1/10G21C1/12G21C9/00G21C15/253G21C15/28G21D1/006G21D1/04G21D3/04G21D3/08Y02E30/33
    • PROBLEM TO BE SOLVED: To prevent a secondary coolant in a steam generator from entering a nuclear reactor.SOLUTION: A high-temperature gas reactor steam power generation system 1 comprises: a nuclear reactor 2, a steam generator 3, a steam turbine 4, and a power generator 5. In the nuclear reactor 2, helium gas is used as a primary coolant, and the primary coolant is heated with heat generated by a nuclear reaction in which neutron is decelerated by a graphite block. In the steam generator 3, water is used as a secondary coolant, and the secondary coolant is heated into steam by the primary coolant through the nuclear reactor 2. The steam turbine 4 is operated with steam from the steam generator 3. The power generator 5 generates power with the operation of the steam turbine 4. In the high-temperature gas reactor steam power generation system 1, pressure regulation means is provided which sets pressure of the secondary coolant in the steam generator 3 low.
    • 要解决的问题:为了防止蒸汽发生器中的二次冷却剂进入核反应堆。 解决方案:高温气体反应堆蒸汽发电系统1包括:核反应堆2,蒸汽发生器3,蒸汽轮机4和发电机5.在核反应堆2中,使用氦气作为 主冷却剂,并且主冷却剂被中和由石墨块减速的核反应产生的热量加热。 在蒸汽发生器3中,使用水作为二次冷却剂,并且二次冷却剂被初级冷却剂通过核反应堆2加热成蒸汽。蒸汽轮机4由来自蒸汽发生器3的蒸汽操作。发电机5 通过蒸汽涡轮机4的运转来发电。在高温气体反应堆蒸汽发电系统1中,设置压力调节装置,其将蒸汽发生器3中的二次冷却剂的压力设定得较低。 版权所有(C)2013,JPO&INPIT
    • 5. 发明专利
    • Steam generator
    • 蒸汽发生器
    • JP2011226990A
    • 2011-11-10
    • JP2010098954
    • 2010-04-22
    • Mitsubishi Heavy Ind Ltd三菱重工業株式会社
    • MIZOGAMI YORITAKAIMANISHI KATSUOMIKOYAMA SUNAOMINAZUKI ISAO
    • G21D1/00F22B1/16F22B37/22
    • Y02E30/40
    • PROBLEM TO BE SOLVED: To provide a steam generator that can prevent any damage on a connecting part between an inner shell and an inner pipe when trouble occurs.SOLUTION: A steam generator 1 comprises an inner shell 2 and an outer shell 3 constituting a primary coolant passage, and a primary coolant outlet/inlet pipe 6 for distributing the primary coolant into the passage. And the primary coolant outlet/inlet pipe 6 has a double-pipe structure consisting of an inner pipe 61 and an outer pipe 62, which the inner pipe 61 is connected to the inner shell 2 and the outer pipe 62 is connected to the outer shell 3. And the inner shell 2 is connected through a thermal sleeve 10 to the inner pipe 61.
    • 要解决的问题:提供一种蒸汽发生器,当故障发生时,可以防止内壳和内管之间的连接部分的任何损坏。 蒸汽发生器1包括构成主冷却剂通道的内壳2和外壳3,以及用于将主冷却剂分配到通道中的主冷却剂出口/入口管6。 一次冷却液出口/入口管6具有由内管61和外管62组成的双管结构,内管61连接到内壳2,外管62连接到外壳 内壳2通过热套筒10连接到内管61上。(C)2012,JPO&INPIT