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：US20140334591A1

公开(公告)日：2014-11-13

申请号：US14272421

申请日：2014-05-07

Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

Inventor： Young In KIM ,  Soo Jai SHIN ,  Han Ok KANG ,  Keung Koo KIM ,  Ju Hyeon YOON ,  Tae Wan KIM ,  Jae Joo HA

IPC: G21C15/18

CPC classification number: G21C15/18 ,  G21C13/02 ,  G21C15/12 ,  G21D3/06 ,  Y02E30/40

Abstract: Provided is a passive containment spray system including: a spray coolant storage unit that communicates with a containment accommodating a reactor vessel and maintains equilibrium of pressure between the spray coolant storage unit and the containment; a spray pipe that is installed within the containment in such a manner that when an accident occurs, a coolant supplied from the spray coolant storage unit is sprayed into the containment through the spray pipe due to an increase in pressure within the containment; and a connection pipe one end of which is inserted into the spray coolant storage unit in such a manner as to provide a flow path along which the coolant flows and the other end of which is connected to the spray pipe in such a manner that the coolant is passively supplied to the spray pipe through the connection pipe therein.

Abstract translation: 本发明提供了一种无源容纳喷雾系统，包括：喷雾冷却剂存储单元，其与容纳反应堆容器的容纳物连通并且保持喷射冷却剂存储单元与容纳物之间的压力平衡; 安装在容纳物内的喷射管，使得当发生事故时，由于在容纳物内的压力增加，从喷雾冷却剂储存单元供应的冷却剂通过喷射管喷射到容纳物中; 以及连接管，其一端以这样的方式插入喷雾冷却剂存储单元中，以便提供冷却剂流动的流动路径，另一端以喷射管连接到冷却剂 通过其中的连接管被动地供应到喷管。

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：US20180308592A1

公开(公告)日：2018-10-25

申请号：US15520594

申请日：2015-10-05

Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

Inventor： Young In KIM ,  Keung Koo KIM ,  Jae Joo HA ,  Tae Wan KIM ,  Hun Sik HAN ,  Kyung Jun KANG

IPC: G21C15/18 ,  G21C1/18 ,  G21C1/09 ,  F22D11/02 ,  F22D5/34

CPC classification number: G21C15/182 ,  F01K13/025 ,  F22B1/162 ,  F22B1/1823 ,  F22B35/108 ,  F22D5/34 ,  F22D11/02 ,  G21C1/09 ,  G21C1/18 ,  G21C1/326 ,  G21C13/024 ,  G21D1/006 ,  G21D3/06 ,  Y02E30/40

Abstract: The present disclosure provides a stopped cooling system including: a steam line connecting portion connected to a steam line so as to receive cooling water through the steam line connected to an outlet of a steam generator; a stopped cooling heat exchanger for receiving cooling water that enters the stopped cooling system through the steam line connecting portion, and discharging same through a passage of the heat exchanger; a stopped cooling pump activated to perform stopped cooling of the nuclear reactor upon normal stoppage of the nuclear reactor after primary cooling of the nuclear reactor cooling system or when an accident occurs, and for forming a circulating flow of cooling water that circulates between the steam generator and the stopped cooling heat exchanger; and a water supplying pipe connecting portion connected to the heat exchanger passage and a water supplying pipe, which is connected to the inlet of the steam generator, so as to supply the cooling water cooled in the stopped cooling heat exchanger to the steam generator through the water supplying pipe.

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：US20140050292A1

公开(公告)日：2014-02-20

申请号：US13958487

申请日：2013-08-02

Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

Inventor： Young In KIM ,  Young Min BAE ,  Ju Hyeon YOON ,  Keung Koo KIM

IPC: G21C15/18

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

Abstract: A separate type safety injection tank comprises: a coolant injection unit connected to a reactor coolant system by a safety injection pipe such that coolant stored therein is injected into the reactor coolant system by a pressure difference from the reactor coolant system when a loss-of-coolant-accident (LOCA) occurs; a gas injection unit connected to the coolant injection unit, and configured to pressurize the coolant injected into the reactor coolant system, by introducing gas stored therein to an upper part of the coolant injection unit in the loss-of-coolant-accident; and a choking device disposed between the coolant injection unit and the gas injection unit, and configured to contract a flow cross-sectional area of the gas introduced to the coolant injection unit, and configured to maintain a flow velocity and a flow rate of the gas introduced to the coolant injection unit as a critical flow velocity and a critical flow rate when a pressure difference between the coolant injection unit and the gas injection unit is more than a critical value.

Abstract translation: 一种单独类型的安全注射罐包括：冷却剂注入单元，其通过安全注入管连接到反应堆冷却剂系统，使得存储在其中的冷却剂通过与反应堆冷却剂系统的压力差被注入到反应堆冷却剂系统中， 发生冷却剂事故（LOCA）; 连接到冷却剂喷射单元的气体喷射单元，并且被配置为通过在冷却剂损失事故中将存储在其中的气体引入冷却剂喷射单元的上部来对喷射到反应堆冷却剂系统中的冷却剂加压; 以及阻塞装置，其设置在所述冷却剂注入单元和所述气体注入单元之间，并且构造成收缩引入所述冷却剂注入单元的气体的流动横截面积，并且被构造成保持所述气体的流速和流量 当冷却剂注入单元和气体注入单元之间的压差大于临界值时，作为临界流速和临界流量引入冷却剂注入单元。

公开(公告)号：US20170309354A1

公开(公告)日：2017-10-26

申请号：US15513275

申请日：2015-09-10

Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

Inventor： Young In KIM ,  Keung Koo KIM ,  Ju Hyeon YOON ,  Suhn CHOI ,  Hun Sik HAN ,  Han Ok KANG

IPC: G21C17/032 ,  G21C15/02 ,  G21C17/00

CPC classification number: G21C17/032 ,  F22B37/00 ,  G21C1/32 ,  G21C15/02 ,  G21C17/002 ,  G21D1/006 ,  Y02E30/40

Abstract: The present invention relates to a plate heat exchanger and provides a heat exchanger and a nuclear power plant comprising same, the heat exchanger comprising: a plate unit having multiple plates overlapping one another; a flow path unit, which forms flow paths having fluids flowing therein by processing at least parts of the respective plates; and a detection flow path formed between the multiple plates so as to allow the fluids leaking from the flow paths to flow thereinto and formed so as to detect the leakage of the fluids from the flow paths.

公开(公告)号：US20160322121A1

公开(公告)日：2016-11-03

申请号：US15108767

申请日：2014-12-29

Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

Inventor： Young In KIM ,  Keung Koo KIM ,  Jae Joo HA ,  Ju Hyeon YOON ,  Young Min BAE ,  Soo Jai SHIN ,  Hun Sik HAN ,  Kyung Jun KANG ,  Tae Wan KIM

IPC: G21C15/18 ,  G21C15/243 ,  G21C1/32 ,  G21C9/012 ,  G21D1/00 ,  F22B1/02

Abstract: The present invention provides a passive residual heat removal system and an atomic power plant comprising the same, the passive heat removal system comprising: a plate-type heat exchanger for causing heat exchange between a primary system fluid or a secondary system fluid which, in order to remove sensible heat from an atomic reactor cooling material system and residual heat from a reactor core, has received the sensible heat and the residual heat, and a cooling fluid which has been introduced from outside of a containment unit; and circulation piping for connecting the atomic reactor cooling material system to the plate-type heat exchanger, thereby forming a circulation channel of the primary system fluid, or connecting a steam generator, which is arranged at the boundary between the primary and secondary systems, to the plate-type heat exchanger, thereby forming a circulation channel of the secondary system fluid.

Abstract translation: 本发明提供了一种无源余热除去系统及其原子能发电设备，所述被动式除热系统包括：板式热交换器，用于在初级系统流体或次级系统流体之间进行热交换， 从原子反应堆冷却材料体系除去显热，从反应堆堆芯除去残余热，已经接收到显热和余热，以及从容纳单元的外部引入的冷却流体; 以及用于将原子反应堆冷却材料系统连接到板式热交换器的循环管道，从而形成初级系统流体的循环通道，或将布置在主系统和辅助系统之间的边界处的蒸汽发生器连接到 板式热交换器，从而形成二次系统流体的循环通道。

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：US20140334590A1

公开(公告)日：2014-11-13

申请号：US14271316

申请日：2014-05-06

Applicant: KOREA ATOMIC ENERGY RESEARCH INSTITUTE

Inventor： Young In KIM ,  Keung Koo KIM ,  Young Min BAE ,  Ju Hyeon YOON ,  Jae Joo HA ,  Won Jae LEE ,  Tae Wan KIM

IPC: G21C15/18

CPC classification number: G21C15/18 ,  G21C13/02 ,  G21C15/12 ,  G21D3/06 ,  Y02E30/40

Abstract: The present disclosure provides a cooling system of an emergency cooling tank, which enables long-term cooling without refilling cooling water, in case of the change in a quantity of heat transferred to the emergency cooling tank according to a lapse of time upon an occurrence of an accident of a nuclear reactor, and a nuclear power plant having the same. The emergency cooling tank cooling system includes an emergency cooling tank configured to store cooling water therein, the cooling water receiving heat, transferred from a nuclear reactor or a containment, when an accident occurs in the nuclear reactor, a heat exchanging device installed to be exposed to an outside of the emergency cooling tank to operate in air, and configured to externally emit heat by way of a heat exchange between fluid in the emergency cooling tank and the air such that the operation of the emergency cooling tank is continued even without refilling the cooling water, and an opening and closing unit installed at an upper portion of the emergency cooling tank to be located higher than a water level of the cooling water, and configured to be open by a flow of the fluid generated by an evaporation of the cooling water, the flow being formed due to a pressure difference from external air at pressure higher than a preset pressure, such that some of the fluid is externally emitted when a heat load exceeding a cooling capacity of the emergency cooling tank is transferred.

Abstract translation: 本公开内容提供了一种紧急冷却箱的冷却系统，其能够在不重新填充冷却水的情况下长期冷却，在发生了随时间流逝的热量传递到紧急冷却箱的情况下 核反应堆的事故和具有相同核电站的核电厂。 紧急冷却箱冷却系统包括：在核反应堆中发生事故时，配置成在其中存储冷却水的冷却水接收热量，从核反应堆或容纳物传送的热交换装置; 到紧急冷却箱的外部以在空气中操作，并且被配置为通过在紧急冷却箱中的流体与空气之间的热交换而外部发热，使得紧急冷却罐的操作即使不再填充 冷却水，以及安装在紧急冷却箱的上部的开闭单元，其位于比冷却水的水位高的位置，并且被构造成通过由冷却水的蒸发而产生的流体流开放 水，由于在高于预设压力的压力下与外部空气的压力差而形成的流动，使得一些流体是外部的 当超过紧急冷却箱的冷却能力的热负荷被传送时，发出。