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    • 112. 发明专利
    • Driven high pressure safety injection tank system coping with sbo and loca
    • 驱动高压安全注入罐系统与SBO和LOCA进行复制
    • JP2012225895A
    • 2012-11-15
    • JP2011169402
    • 2011-08-02
    • Korea Atomic Energy Research InstKorea Hydro & Nuclear Power Co Ltdコリア アトミック エナジー リサーチ インスティチュートコリア ハイドロ アンド ニュークリア パワー カンパニー リミティッド
    • KWON TAE-SOONOH DONG-JINSONG CHOL-HWABAEK WON-PIL
    • G21C15/18G21D3/04
    • G21C15/18G21D3/06Y02E30/40
    • PROBLEM TO BE SOLVED: To provide a high pressure safety injection tank system.SOLUTION: Emergency reactor core coolant is injected in a nuclear reactor system even with low pressure or high pressure. A high pressure safety injection tank system includes: a safety injection tank in which low pressure nitrogen is filled, emergency reactor core coolant is stored, and which is connected to a nuclear reactor vessel by an emergency coolant injection tube; a pressurizer in which high pressure water steam is stored, and to which a safety valve tube to which the high pressure water steam is discharged is attached; and a pressure balance tube which connects an upper part of the safety injection tank with an upper part of the pressurizer, is selectively opened and closed so that the high pressure pressurizer and the low pressure safety injection tank become pressure balanced. The high pressure safety injection tank system is constituted so that the safety injection tank is changed from low pressure to high pressure by opening of the pressure balance tube so that the emergency reactor core coolant is injected in the high pressure nuclear reactor vessel in the case of an accident that the nuclear reactor system is pressurized. In addition, the emergency reactor core coolant is injected by a high pressure safety injection tank by applying a valve which is driven by a battery supply emergency power source also in the case of a power source complete loss accident.
    • 要解决的问题:提供高压安全注射罐系统。

      解决方案:即使在低压或高压下,应急反应堆堆芯冷却液也会注入核反应堆系统。 高压安全注射罐系统包括:安装有低压氮气的安全注射罐,储存应急堆芯冷却液,并通过应急冷却剂注入管连接到核反应堆容器; 其中存储有高压水蒸汽的加压器,并且安装有用于排出高压水蒸汽的安全阀管; 选择性地打开和关闭将安全注射罐的上部与加压器的上部连接的压力平衡管,使得高压加压器和低压安全注射罐成为压力平衡。 高压安全注射罐系统构成为通过打开压力平衡管使安全注射罐从低压改变为高压,使得应急堆芯冷却剂在高压核反应堆容器中被注入 核反应堆系统受到加压的事故。 此外,在电源完全损失事故的情况下,通过施加由电池供应应急电源驱动的阀,由高压安全注射罐注入应急堆芯冷却剂。 版权所有(C)2013,JPO&INPIT

    • 113. 发明专利
    • Device for strainer filtering including filtering tube
    • 用于过滤器过滤器的设备,包括过滤管
    • JP2012040541A
    • 2012-03-01
    • JP2010195375
    • 2010-09-01
    • Bhi Co LtdKorea Hydro & Nuclear Power Co Ltdコリア ハイドロ アンド ニュークリア パワー カンパニー リミティッドビーエイチアイ カンパニー リミテッド
    • KIM SANG-YEOLKIM HYEONG-TEAKKIM CHANG-HYUNLEE SANG-WONWOO JONG-IN
    • B01D29/11B01D29/50B01D35/02G21C9/004
    • B01D29/52B01D29/33B01D2201/0453
    • PROBLEM TO BE SOLVED: To provide a device for strainer filtering including a filtering tube, which has a substantially larger filtering area for the same length and width, can substantially reduce foreign matters that cover an induction surface and flow-through resistance from the foreign matters, and which accordingly reduce the decrease in the pressure of a coolant before and after flowing through.SOLUTION: The device for strainer filtering including the filtering tube has at least one inlet side for receiving the coolant and a discharge side for discharging the filtered coolant. The device includes: the filtering tube comprising a hollow tube which is formed by bending a punched plate having a plurality of filtering holes; an upper portion plate having a first groove formed on the lower surface thereof so as to couple the upper end of the filtering tube, and having an inlet portion for receiving the coolant; and a lower portion plate having a drilled hole to which the lower end of the filtering tube is coupled. The filtered coolant inside the filtering tube flows into the drilled hole and is discharged from the discharge side.
    • 要解决的问题:为了提供一种用于过滤器过滤的装置,包括具有相同长度和宽度的基本上较大的过滤面积的过滤管,可以显着减少覆盖感应表面的异物和来自 异物,从而相应地减少流经前后的冷却剂的压力降低。 解决方案:包括过滤管的过滤器过滤装置具有用于接收冷却剂的至少一个入口侧和用于排出经过滤的冷却剂的排出侧。 该装置包括:过滤管,包括通过弯曲具有多个过滤孔的穿孔板形成的中空管; 上部板,具有形成在其下表面上的第一槽,以连接过滤管的上端,并具有用于接收冷却剂的入口部分; 以及具有钻孔的下部板,所述过滤管的下端与所述钻孔连接。 过滤管内的过滤后的冷却剂流入钻孔,并从排出侧排出。 版权所有(C)2012,JPO&INPIT
    • 115. 发明专利
    • Safety infusion tank provided with gravity driven flow controller
    • 安全输送罐配有严格的驱动流量控制器
    • JP2009271041A
    • 2009-11-19
    • JP2008141811
    • 2008-05-30
    • Korea Atom Energ Res InstKorea Hydro & Nuclear Power Co Ltdコリア アトミック エナジー リサーチ インスティテュートコリア ハイドロ アンド ヌクリア パワー カンパニー リミテッド
    • KWON TAE-SOONCHU IN-CHULSONG CHUL-HWABAEK WON-PIL
    • G21C15/18
    • G21C15/18Y02E30/32
    • PROBLEM TO BE SOLVED: To provide a safety infusion tank for filling a large amount of emergency core cooling water rapidly in a reactor vessel in a break accident of a large low temperature pipe of a pressurized light-water reactor type nuclear reactor.
      SOLUTION: A gravity driven flow controller 130 comprises a spring 131 arranged on an upper end of a vertical pipe 120, and a vertically moving water tank 132 arranged on the spring 131 and moving vertically. When the emergency core cooling water filled in an inside of a pressure vessel 110 of the safety infusion tank 100 is discharged outside from the vertical pipe 120, and a water level of the emergency core cooling water in the pressure vessel 110 is lowered than a vertical position of the vertically moving water tank 132, the vertically moving water tank 132, which is elastically supported by the spring 131, descends. Thereby, a lower surface of the vertically moving water tank 132 adheres to the vertical pipe 120, and a large flow inflow port 123 is closed. As a result, a flow rate is smoothly switched from large flow discharge to small flow discharge.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种用于在加压轻水反应堆型核反应堆的大型低温管道的中断事故中在反应堆容器中快速填充大量应急芯冷却水的安全输液罐。 解决方案:重力驱动流量控制器130包括布置在垂直管120的上端的弹簧131和布置在弹簧131上并垂直移动的垂直移动的水箱132。 当填充在安全输液罐100的压力容器110的内部的应急芯冷却水从垂直管120排出到外部时,压力容器110中的应急芯冷却水的水位比垂直 垂直移动的水箱132的位置,由弹簧131弹性支撑的垂直移动的水箱132下降。 由此,垂直移动的水箱132的下表面粘附到垂直管120,并且大的流入口123被关闭。 结果,流量从大流量放电平稳地切换到小流量放电。 版权所有(C)2010,JPO&INPIT