公开(公告)号：US20140226778A1

公开(公告)日：2014-08-14

申请号：US14172808

申请日：2014-02-04

Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

Inventor： Young In KIM ,  Keung Koo KIM ,  Cheon Tae PARK ,  Seung Yeop YOO ,  Young Min BAE ,  Joo Hyung MOON ,  Soo Jai SHIN ,  Han Ok KANG ,  Jun LEE ,  Won Jae LEE ,  Tae Wan KIM ,  Keun Bae PARK ,  Ju Hyeon YOON

IPC: G21C15/18

CPC classification number: G21C15/18 ,  G21D3/06 ,  Y02E30/40

Abstract: The present disclosure may disclose a multi stage safety injection device and a passive safety injection system having the same, including a safety injection tank formed to contain coolant to be injected into a reactor vessel by a gravitational head of water when an accident occurs in which the pressure or water level of the reactor vessel is decreased, a pressure balance line connected to the reactor vessel and safety injection tank to form a pressure balance state between the reactor vessel and the safety injection tank, a safety injection line connected to a lower end portion of the safety injection tank and the reactor vessel to inject coolant to the reactor vessel in a pressure balance state between the reactor vessel and the safety injection tank, and a flow control line extended from the safety injection line to an inner portion of the safety injection tank, and provided with safety injection ports into which coolant is injected at predetermined heights, respectively, to reduce the flow rate of coolant injected into the reactor vessel step by step according to the water level reduction of the safety injection tank, in order to inject coolant to the reactor vessel at multi stages.

Abstract translation: 本公开可以公开一种多级安全注射装置和具有该多级安全注射装置的被动安全注射系统，包括安全注射罐，该安全注射罐形成为当发生事故时容纳被重力水头注入到反应器容器中的冷却剂， 反应器容器的压力或水位降低，连接到反应堆容器和安全注射罐的压力平衡管线在反应堆容器和安全注射罐之间形成压力平衡状态，连接到下端部分的安全注入管线 的安全注射槽和反应堆容器，以在反应堆容器和安全注射罐之间的压力平衡状态下将冷却剂注入反应器容器，以及从安全注射管线延伸到安全注射器的内部的流量控制管线 并且分别设置有分别以预定高度注入冷却剂的安全注入口，以减少 根据安全注射罐的水位降低逐步注入反应堆容器中的冷却剂的流量，以便将多个阶段的冷却剂喷射到反应堆容器中。

公开(公告)号：US20170148533A1

公开(公告)日：2017-05-25

申请号：US15327355

申请日：2015-07-22

Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

Inventor： Young In KIM ,  Keung Koo KIM ,  Ju Hyeon YOON ,  Jae Joo HA ,  Tae Wan KIM ,  Cheon Tae PARK ,  Seung Yeob RYU ,  Han Ok KANG ,  Young Min BAE ,  Joo Hyung MOON ,  Hun Sik HAN ,  Kyung Jun KANG ,  Soo Jai SHIN ,  Seo Yoon JUNG ,  Young Soo KIM

IPC: G21C15/18

CPC classification number: G21C15/18 ,  G21C1/326 ,  G21Y2002/206 ,  G21Y2004/40 ,  Y02E30/40

Abstract: The present invention relates to a passive heat removal system which circulates cooling fluid via a main water supply line, connected to the lower inlet of a steam generator, and a main steam pipe, connected to the top outlet of the steam generator, to the steam generator, in order to remove sensible heat of a reactor coolant system and residual heat of a core, the passive heat removal system comprising: supplementary equipment for receiving surplus cooling fluid or supplying supplementary cooling fluid in order to maintain the flow rate of the cooling fluid within a predetermined range, wherein the supplementary equipment comprises: a supplementary tank, installed at a predetermined height between the lower inlet and the top outlet of the steam generator, for receiving the surplus cooling fluid or supplying the supplementary cooling fluid, passively, depending on the flow rate of the cooling fluid; a first connection pipe, connected to the main steam pipe and the supplementary tank, for forming a flow path to allow the cooling fluid, exhausted to the main steam pipe from the steam generator, to flow to the supplementary tank; and a second connection pipe connected to the supplementary tank and the main water supply pipe for forming a supply flow path of the supplementary cooling fluid supplied from the supplementary tank.

公开(公告)号：US20170004892A1

公开(公告)日：2017-01-05

申请号：US15100224

申请日：2014-12-02

Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

Inventor： Young In KIM ,  Cheon Tae PARK ,  Seung Yeob RYU ,  Young Min BAE ,  Joo Hyung MOON ,  Soo Jai SHIN ,  Hun Sik HAN ,  Kyung Jun KANG ,  Young Soo KIM ,  Tae Wan KIM ,  Ju Hyeon YOON ,  Keung Koo KIM ,  Jae Joo HA

IPC: G21C15/18 ,  G21D1/02 ,  G21C9/004

Abstract: The present invention discloses a passive cooling system of a containment building, to which a plate-type heat exchanger is applied. A passive cooling system of a containment building comprises: a containment building; a plate-type heat exchanger provided to at least one of the inside and the outside of the containment building and comprising channels respectively provided to the both sides of a plate so as to be arranged dividedly from each other such that the plate-type heat exchanger carries out mutual heat exchange between the internal atmosphere of the containment building and a heat exchange fluid while maintaining a pressure boundary; and a pipe connected to the plate-type heat exchanger by penetrating the containment building so as to form the path of the internal atmosphere of the containment building or the heat exchange fluid.

Abstract translation: 本发明公开了一种安全壳建筑物的被动冷却系统，其中应用了板式热交换器。 遏制建筑物的被动冷却系统包括：遏制建筑物; 设置在容纳建筑物的内部和外部的至少一个的板式热交换器，并且包括分别设置在板的两侧的通道，以便彼此分开布置，使得板式热交换器 在保持压力边界的同时，在容纳建筑物的内部气氛与热交换流体之间进行相互热交换; 以及通过穿透容纳建筑​​物而连接到板式热交换器以形成容纳建筑物或热交换流体的内部气氛的路径的管道。

公开(公告)号：US20160260509A1

公开(公告)日：2016-09-08

申请号：US15030578

申请日：2014-11-25

Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

Inventor： Young Soo KIM ,  Young In KIM ,  Cheon Tae PARK ,  Ju Hyeon YOON ,  Tae Wan KIM ,  Keung Koo KIM ,  Jae Joo HA

IPC: G21C15/24 ,  G21C15/18 ,  G21D1/04

CPC classification number: G21C15/24 ,  G21C1/322 ,  G21C1/324 ,  G21C1/326 ,  G21C1/328 ,  G21C15/182 ,  G21C15/243 ,  G21C15/247 ,  G21C15/28 ,  G21C2015/185 ,  G21D1/04 ,  G21Y2002/50 ,  G21Y2004/30 ,  Y02E30/40

Abstract: The present invention discloses a nuclear reactor coolant pump that does not rely on an electric motor, but is operated by means of driving force generated inside a nuclear power plant, so a to be capable of maintaining the safety of the nuclear reactor when the nuclear reactor is operating normally and also in the event of an accident in the nuclear reactor. The nuclear reactor coolant pump comprises: a pump impeller rotatably installed in a first fluid passage of a nuclear reactor coolant system to circulate a first fluid inside the nuclear reactor coolant system; a drive unit receiving steam from a steam generator to generate driving force to rotate the pump impeller, and rotating about the same rotating shaft as the pump impeller to transfer the generated driving force to the pump impeller; and a steam supplying unit forming a passage between the steam generator and the drive unit to supply at least a portion of the steam released from the steam generator to the drive unit.

Abstract translation: 本发明公开了一种核反应堆冷却剂泵，其不依赖于电动机，而是通过在核电厂内产生的驱动力来操作，因此当核反应堆能够保持核反应堆的安全性时 正常运行，并且在核反应堆发生事故时也是如此。 核反应堆冷却剂泵包括：可旋转地安装在核反应堆冷却剂系统的第一流体通道中的泵叶轮，以使核反应堆冷却剂系统内的第一流体循环; 驱动单元，其接收来自蒸汽发生器的蒸汽，以产生用于使所述泵叶轮旋转的驱动力，并且围绕与所述泵叶轮相同的旋转轴旋转以将所产生的驱动力传递到所述泵叶轮; 以及蒸汽供给单元，其形成在所述蒸汽发生器和所述驱动单元之间的通道，以将从所述蒸汽发生器释放的蒸汽的至少一部分供给到所述驱动单元。

公开(公告)号：US20140016733A1

公开(公告)日：2014-01-16

申请号：US13938568

申请日：2013-07-10

Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

Inventor： Young In KIM ,  Joo Hyung MOON ,  Soo Jai SHIN ,  Jun LEE ,  Keung Koo KIM ,  Won Jae LEE ,  Suhn CHOI ,  Tae Wan KIM ,  Hark Rho KIM ,  Cheon Tae PARK ,  Seung Yeob YOO ,  Young Min BAE

IPC: G21C15/18

CPC classification number: G21C15/18 ,  G21C1/32 ,  Y02E30/40

Abstract: A passive safety injection system includes a containment, a reactor installed in the containment, safety injection tanks installed in the containment, a safety injection line between the reactor or a reactor coolant system and each of the safety injection tanks to guide water, which is stored in the safety injection tank, into the reactor when a water level in the reactor is reduced due to a loss of coolant accident, and a pressure balance line between the reactor or the reactor coolant system and the safety injection tank to guide high-temperature steam from the reactor into the safety injection tank upon the loss of coolant accident. The safety injection line has an orifice and a check valve thereon, and the pressure balance line has an orifice and isolation valves thereon. The water in the safety injection tank stably flows into the reactor for many hours.

Abstract translation: 被动安全注射系统包括容纳物，安装在容纳物中的反应堆，安装在容纳物中的安全注入罐，反应堆或反应堆冷却剂系统之间的安全注入管线和每个安全注射罐以引导水，其被存储 在安全注射罐中，当反应器中的水位由于冷却剂事故的损失而降低，并且反应堆或反应堆冷却剂系统与安全注射罐之间的压力平衡线引导高温蒸汽 在冷却剂事故发生时，从反应堆进入安全注射罐。 安全注射管路上具有孔口和止回阀，并且压力平衡管线上具有孔口和隔离阀。 安全注射罐中的水稳定地流入反应器多个小时。

公开(公告)号：US20160247585A1

公开(公告)日：2016-08-25

申请号：US15024795

申请日：2014-10-02

Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

Inventor： Hun Sik HAN ,  Young In KIM ,  Kyung Jun KANG ,  Sung Jae YI ,  Keung Koo KIM ,  Ju Hyeon YUN ,  Jae Joo HA ,  Suhn CHOI ,  Cheon Tae PARK ,  Seung Yeob RYU ,  Joo Hyung MOON

IPC: G21C15/18 ,  G21C15/24

CPC classification number: G21C15/182 ,  G21C1/322 ,  G21C15/18 ,  G21C15/24 ,  G21C15/25 ,  G21C2015/185 ,  G21Y2002/104 ,  G21Y2002/20 ,  G21Y2004/30 ,  Y02E30/40

Abstract: The present invention provides passive safety equipment, comprising: a cooling part formed to cool a first fluid, which is emitted from a reactor coolant system or a steam generator, and a second fluid in a housing; and a circulation induction sprayer which is formed to spray the first fluid emitted from the reactor coolant system or the steam generator into the cooling part, has at least part thereof open to the inside of the housing such that the second fluid flows thereinto according to a drop in pressure caused by the spraying of the first fluid, and sprays the second fluid with the inflown first fluid.

Abstract translation: 本发明提供了一种被动安全设备，包括：形成冷却从反应堆冷却剂系统或蒸汽发生器排放的第一流体和壳体中的第二流体的冷却部件; 以及形成为将从反应堆冷却剂系统或蒸汽发生器排出的第一流体喷射到冷却部分中的循环感应喷雾器，其至少部分通向壳体的内部，使得第二流体根据 喷射第一流体引起的压力下降，并且使第二流体与流入的第一流体喷射。

公开(公告)号：US20140219409A1

公开(公告)日：2014-08-07

申请号：US14162677

申请日：2014-01-23

Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

Inventor： Young In KIM ,  Won Jae LEE ,  Cheon Tae PARK ,  Keung Koo KIM ,  Soo Jai SHIN ,  Seung Yeop YOO ,  Young Min BAE ,  Joo Hyung MOON ,  Ju Hyeon YOON

IPC: G21C15/18

CPC classification number: G21C15/18 ,  Y02E30/40

Abstract: The present disclosure may disclose a multi stage safety injection device, including a safety injection tank formed to contain coolant to be injected into a reactor vessel by a gravitational head of water when an accident occurs in which the pressure or water level of the reactor vessel is decreased, a pressure balance line connected to the reactor vessel and safety injection tank to form a pressure balance between the reactor vessel and the safety injection tank, and a set of safety injection lines connected to the safety injection tank and the reactor vessel to inject coolant to the reactor vessel in a pressure balance state between the reactor vessel and the safety injection tank, and connected to the safety injection tank with different heights to reduce a flow rate of coolant injected into the reactor vessel step by step according to the water level reduction of the safety injection tank in order to inject coolant to the reactor vessel at multi stages.

Abstract translation: 本公开可以公开一种多级安全注射装置，其包括安全注射罐，安全注射罐被形成为当发生事故时容纳要被水的重力头注入到反应器容器中的冷却剂，其中反应堆容器的压力或水位为 连接到反应堆容器和安全注射罐的压力平衡管线在反应堆容器和安全注射罐之间形成压力平衡，以及连接到安全注射罐和反应器容器以注入冷却剂的一组安全注射管线 在反应堆容器和安全注射罐之间处于压力平衡状态的反应器容器中，并且连接到具有不同高度的安全注射罐，以降低注入到反应器容器中的冷却剂的流量，以逐步地根据水位的降低 的安全注射罐，以便在多个阶段将冷却剂注入反应堆容器。

公开(公告)号：US20140016734A1

公开(公告)日：2014-01-16

申请号：US13939547

申请日：2013-07-11

Applicant: Korea Atomic Energy Research Institute

Inventor： Joo Hyung MOON ,  Won Jae LEE ,  Keung Koo KIM ,  Cheon Tae PARK ,  Young In KIM ,  Sung Kyun ZEE ,  Keun Bae PARK

IPC: G21C15/18

CPC classification number: G21C15/18 ,  G21C1/32 ,  Y02E30/40

Abstract: A passive safety system includes a containment, a reactor in the containment, a plurality of safety injection tanks connected with the reactor and having water and nitrogen gas to supply water thereof into the reactor through a safety injection line communicating to the first safety injection line upon a loss of coolant accident, a plurality of core makeup tanks connected with the reactor to supply water thereof into the reactor through a second safety injection line communicating to a safety injection line upon the loss of coolant accident, and a plurality of passive residual heat removal systems to remove residual heat from the reactor upon the loss of coolant accident or a non-loss of coolant accident. The water in each of the safety injection tank is stably supplied to the reactor for many hours by a differential head resulting from gravity or gas pressure.

Abstract translation: 被动安全系统包括容纳物，容纳物中的反应器，与反应器连接的多个安全注射罐，并具有水和氮气，以通过与第一安全注射管线连通的安全注入管线将水供应到反应器中 冷却剂事故的损失，与反应器连接的多个核心化妆池，通过在冷却剂事故损失时与安全注入管线相通的第二安全注入管线将水供应到反应器中，以及多个被动残余热消除 在冷却剂事故损失或不失去冷却剂事故时，从反应堆中除去残余热量的系统。 每个安全注射罐中的水通过由重力或气体压力导致的差压头稳定地供应到反应器多个小时。