KR20100059346A - A far apart remote control visual inspection system of steam generator - Google Patents

A far apart remote control visual inspection system of steam generator Download PDF

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KR20100059346A
KR20100059346A KR1020080118089A KR20080118089A KR20100059346A KR 20100059346 A KR20100059346 A KR 20100059346A KR 1020080118089 A KR1020080118089 A KR 1020080118089A KR 20080118089 A KR20080118089 A KR 20080118089A KR 20100059346 A KR20100059346 A KR 20100059346A
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remote
steam generator
camera
inspection system
image
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KR100982393B1 (en
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옥현석
박기태
김원경
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한전케이피에스 주식회사
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F22—STEAM GENERATION
    • F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
    • F22B37/00—Component parts or details of steam boilers
    • F22B37/002—Component parts or details of steam boilers specially adapted for nuclear steam generators, e.g. maintenance, repairing or inspecting equipment not otherwise provided for
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
    • G01N21/954—Inspecting the inner surface of hollow bodies, e.g. bores
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21C—NUCLEAR REACTORS
    • G21C17/00—Monitoring; Testing ; Maintaining
    • G21C17/017—Inspection or maintenance of pipe-lines or tubes in nuclear installations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

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  • Engineering & Computer Science (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Plasma & Fusion (AREA)
  • Chemical & Material Sciences (AREA)
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  • Monitoring And Testing Of Nuclear Reactors (AREA)

Abstract

PURPOSE: A remote visual inspection system inside a steam generator is provided to inspect the inner room of a steam generator in real time in a safe external control room by installing a video camera which is moved by a remote control robot in high radiation control region. CONSTITUTION: A remote control robot is installed inside a steam generator(1) in a radiation control region. An video camera takes a photograph of a tube sheet or the state of a diaphragm(4). A camera control part is installed in the radiation control region in order to receive an image delivered from the video camera. A monitor(41) displays an image delivered through the camera control part. An operation control part(42) controls the zoom and the focus operation of the video camera in a remote way.

Description

증기발생기 수실 내부의 원격 육안검사 시스템{A FAR APART REMOTE CONTROL VISUAL INSPECTION SYSTEM OF STEAM GENERATOR}Remote Visual Inspection System in Steam Generator Room {A FAR APART REMOTE CONTROL VISUAL INSPECTION SYSTEM OF STEAM GENERATOR}

본 발명은 증기발생기 수실 내부의 원격 검사 시스템에 관한 것으로서, 더욱 상세하게는 고방사건 관리구역이면서 장비의 접근방법이 제한되는 공간에서 원격제어방식으로 육안검사를 실시하기 위한 것이다.The present invention relates to a remote inspection system inside the steam generator chamber, and more particularly, to perform a visual inspection in a remote control method in a space where the access method of the equipment is limited to a high-temperature event management zone.

일반적으로, 원자력발전소에서 증기발생기는 증기터빈과 발전기로 부터 전력을 생산하는데 필요한 핵심기기 중의 하나이다.In general, steam generators in nuclear power plants are one of the key equipment for generating electricity from steam turbines and generators.

도 1은 일반적인 원자력발전소의 증기발생기를 나타낸 도면이다.1 is a view showing a steam generator of a general nuclear power plant.

도 1에 도시된 바와 같이, 증기발생기(10)는 1차 계통의 원자로냉각재가 들어오는 입구노즐(1)과, 열교환이 이루어지도록 하는 전열관(Tube)(3)과, 상기 입구노즐(1)을 통해 들어오는 원자로 냉각재를 바깥쪽에 있는 2차측 계통의 냉각수에 열을 전달하는 출구노즐(5) 등으로 구성된다.As shown in FIG. 1, the steam generator 10 includes an inlet nozzle 1 through which a reactor coolant of a primary system enters, a tube 3 for heat exchange, and an inlet nozzle 1. It consists of an outlet nozzle (5) for transferring heat to the coolant of the secondary system in the reactor coolant coming in through the outside.

이와 같이 구성된 증기발생기의 동작을 간단히 살펴보면 다음과 같다.Briefly looking at the operation of the steam generator configured as described above are as follows.

1차 계통의 원자로 냉각재는 입구노즐(1)로 들어와서 다수의 전열관(3) 안쪽으로 흐르면서 출구노즐(5)를 통과하여 바깥쪽에 있는 2착계통 냉각수에 열을 전달 한다. 이때, 증기가 생성된다.The reactor coolant of the primary system enters the inlet nozzle (1), flows into the plurality of heat pipes (3), passes through the outlet nozzle (5), and transfers heat to the two-system system coolant outside. At this time, steam is generated.

그리고, 상기 설비들은 발전소의 정비 기간 중에 정비 및 검사를 받게 된다.The facilities are then subjected to maintenance and inspection during the maintenance of the power plant.

특히, 증기발생기(10)의 수실 내부에 설치된 튜브시트(Tubesheet) 또는 격판(Partition Plate)을 정기적으로 검사를 실시하여 용접부위의 이상 여부, 냉각재의 누수상태, 관막음의 폐쇄상태, 이물질의 유무 등을 파악하기 위해 고 방사선 관리구역에 투입 가능한 비파괴 검사자의 직접 육안 검사에 의한 검사가 이루어짐으로 인해 검사품질이 미흡한 문제점이 있었다.In particular, the tubesheet or partition plate installed inside the water chamber of the steam generator 10 is regularly inspected to check whether there are any abnormalities in the welded part, the leakage of the coolant, the closed state of the clogging, and the presence of foreign substances. There was a problem that the quality of the inspection was insufficient due to the direct visual inspection of the non-destructive inspector that can be put into the high radiation management area to grasp the back.

본 발명은 상기한 종래 기술에서의 문제점을 개선하기 위해 제안된 것으로서, 작업자가 쉽게 접근하기 어려운 고방사선 관리구역 내의 장치 검사를 원격제어 비디오시스템을 이용하여 실시할 수 있는 시스템 구조를 제공함으로서 검사 영역별 코드에 적합한 원격 육안검사가 이루어질 수 있도록 하는데 목적이 있다.SUMMARY OF THE INVENTION The present invention has been proposed to improve the above problems in the prior art, and provides an inspection area by providing a system structure in which a device inspection in a high-radiation management area that is hard to be accessed by an operator using a remote control video system. The purpose is to allow remote visual inspection that is appropriate for a star code.

상기 목적을 이루기 위한 본 발명의 시스템은, 방사선 관리구역의 증기발생기 수실내에 설치되어진 원격구동로봇과; 상기 원격구동로봇의 선단부에 장착되어 수실내의 튜브시트 상태, 전열관 내부 또는 격판의 용접부위 상태를 촬영하는 영상카메라와; 상기 영상카메라로 부터 전달되는 영상을 전송받기 위해 방사선 관리구역에 설치되어지는 카메라 컨트롤유닛과; 상기 방사선 관리구역과 격벽에 의해 구획되어져 있는 외부의 콘트롤 룸에 설치되어지며, 상기 카메라 컨트롤유닛을 통해 전달되는 영상을 디스플레이 하는 모니터와, 영상카메라의 줌, 포커스 동작을 원격으로 컨트롤하는 동작 제어부가 구성되어진 제어부;를 포함하는 구성을 특징으로 한다.The system of the present invention for achieving the above object is a remotely driven robot installed in the steam generator chamber of the radiation management zone; An image camera mounted on the front end of the remotely driven robot for capturing the tube sheet state in the chamber, the inside of the heat transfer tube or the welded portion of the diaphragm; A camera control unit installed in the radiation management area to receive the image transmitted from the image camera; It is installed in an external control room partitioned by the radiation management zone and the partition wall, the monitor for displaying the image transmitted through the camera control unit, and the operation control unit for remotely controlling the zoom, focus operation of the image camera Characterized in that it comprises a control unit that is configured.

이러한 본 발명은, 작업자가 직접 접근이 어려운 증기발생기 수실 내부의 고방사선 관리구역에 원격구동로봇에 의해 위치 이동이 가능한 영상카메라를 설치함으로서 안전한 외부 콘트롤 룸에서 필요시 마다 실시간으로 수실 내부에 대한 점검 이 이루어질 수 있게 됨으로 방사선 피폭에 의한 악영향을 저감시키는 가운데 검사품질을 향상시키는 효과를 나타낸다.The present invention, by installing a video camera that can be moved by a remote drive robot in the high radiation management area inside the steam generator chamber difficult for workers to directly access, check the inside of the chamber in real time whenever needed in a safe external control room This makes it possible to achieve the effect of improving inspection quality while reducing the adverse effects of radiation exposure.

특히, 영상카메라로 전달되는 충격 방지를 위한 완충재가 방사선에 의한 악영향으로 부터 보호되어질 수 있는 코팅층이 구비되어짐으로, 카메라가 안정적으로 지지되어질 수 있게 된다.In particular, since the shock absorbing material transmitted to the image camera is provided with a coating layer that can be protected from the adverse effects of radiation, the camera can be stably supported.

이하, 본 발명의 구체적인 실시 예를 첨부된 도 2 내지 도 5를 참조하여 상세히 살펴보기로 한다.Hereinafter, specific embodiments of the present invention will be described in detail with reference to FIGS. 2 to 5.

먼저, 본 실시 예에 따른 원격검사 시스템의 전체적인 구조를 도 2 내지 도 4를 통해 살펴보면, 외부의 콘트롤 룸(Control Room)(A)에는 워크스테이션을 포함한 제어부(40)가 구성되어져 있으며, 상기 콘트롤 룸(A)과 격벽(50)에 의해 격리되어져 있으며 증기발생기(1)가 설치되어져 있는 방사능 관리구역(Containment Vessel)(B)에는 카메라 컨트롤유닛(30)이 구성되어 상호간에 전기적 연결이 이루어진 상태를 이루게 된다.First, referring to the overall structure of the remote inspection system according to the present embodiment through FIGS. 2 to 4, an external control room A is configured with a control unit 40 including a workstation. Insulated by the room A and the partition 50, the control vessel (B) in which the steam generator (1) is installed, the camera control unit (30) is configured to make an electrical connection with each other Will be achieved.

한편, 증기발생기(1)의 수실 내부에는 복수의 구동로드(11,12)가 2개의 회동링크(13,14)에 의해 연결 구성됨으로 수직, 수평 이동 및 각도 변화가 가능한 원격구동로봇(10)이 설치되어져 있으며, 이러한 원격구동로봇(10) 선단에는 영상카메라(20)가 장착되어짐으로서 수실 내의 튜브시트(2) 또는 격판(4)의 상태를 영상촬영하여 이를 카메라 컨트롤유닛(30)으로 전송할 수 있도록 구성되었다.On the other hand, a plurality of drive rods (11, 12) in the chamber of the steam generator (1) is connected by the two rotating links (13, 14), the remote drive robot 10 capable of vertical, horizontal movement and angle change Is installed, the tip of the remote drive robot 10 is equipped with a video camera 20, the image of the tube sheet (2) or diaphragm (4) in the chamber to shoot the image and transmit it to the camera control unit (30) It was configured to be.

특히, 영상카메라(20)는 도 5에 도시된 바와 같이 고정브라켓(24) 및 체결볼 트(23)에 의해 원격구동로봇(10)에 고정 체결되어지되, 영상카메라(20)와 원격구동로봇(10) 사이에는 충격력 흡수를 위한 완충재(21)가 구비되어지며, 상기 완충재(21)는 방사선 피폭으로 부터 보호하기 위한 코팅층(22)을 형성시킴으로서 방사선의 영향에 따른 코팅층의 크랙발생 등 악영향을 방지토록 함이 바람직하다.In particular, the video camera 20 is fixed to the remote drive robot 10 by the fixing bracket 24 and the fastening bolt 23, as shown in Figure 5, the video camera 20 and the remote drive robot Between the 10 is provided with a buffer material 21 for absorbing the impact force, the buffer material 21 is to form a coating layer 22 for protection from radiation exposure by adverse effects such as cracking of the coating layer due to the influence of radiation It is desirable to prevent it.

그리고, 코팅층(22)은 방사선을 차폐할 수 있는 액상숯을 단독으로 코팅 형성시키거나, 또는 액상숯에 제올라이트(Zeolite) 미세분말을 각각 50중량%로 혼합하여 형성시킴이 바람직하다.The coating layer 22 may be formed by coating a liquid charcoal capable of shielding radiation alone or by mixing 50 wt% of zeolite fine powder in the liquid charcoal.

그리고, 상기 제어부(40)에는 카메라 컨트롤유닛(30)을 통해 전달되는 영상을 디스플레이 하는 모니터(41)와, 영상카메라(20)를 원격으로 컨트롤하는 카메라 컨트롤러(42)와, 원격구동로봇(10)의 2단링크 제어를 위한 로봇 컨트롤러(43)가 구성되어짐으로서 영상카메라(20)의 줌, 포커스 동작 및 원격구동로봇(10)의 동작제어가 이루어질 수 있으며, 전송된 영상이 저장되어지는 데이타 저장부(44)가 구성되어져 있다.The control unit 40 includes a monitor 41 for displaying an image transmitted through the camera control unit 30, a camera controller 42 for remotely controlling the image camera 20, and a remote driving robot 10. Since the robot controller 43 for controlling the two-stage link is configured, zooming, focusing operation of the image camera 20 and operation control of the remote driving robot 10 can be made, and data transmitted is stored. The storage part 44 is comprised.

이와 같은 구성을 이루는 본 발명 원격 검사시스템의 동작에 따른 작용효과를 살펴보기로 한다.The operational effects of the operation of the present invention remote inspection system constituting such a configuration will be described.

본 발명의 영상카메라(20)는 도 2에서의 튜브시트 영역 원격 검사시 또는 도 3에서의 튜브시트 인사이드 영역 검사시 및 도 4에서의 격판(4;Partition Plate) 용접부 검사에 사용되어지게 되며, 증기발생기(1)의 수실 내에 설치된 원격구동로봇(10)에 장착 되어진 상태에서 동작이 이루어지게 된다.The imaging camera 20 of the present invention is used for the tube sheet region remote inspection of FIG. 2 or the tube sheet inside region inspection of FIG. 3 and the partition plate weld inspection of FIG. 4. Operation is performed in a state in which it is mounted on the remote drive robot 10 installed in the chamber of the steam generator (1).

즉, 콘트롤 룸(A)에서 작업자가 제어부(40)를 통해 원격으로 육안 검사작업 을 진행하게 되는데, 위치제어부(43)의 제어를 통해 원격구동로봇(10)의 회동링크(13,14)를 구동시켜 구동로드(11,12)를 작동시킴으로서 영상카메라(20)의 위치를 원하는 튜브시트(2) 또는 격판(4)에 대향되도록 위치를 이동시킨 후, 동작제어부(42)를 제어하여 해당 검사위치(전열관 leak상태, 이물질 검사, 용접부위 검사)의 원하는 영상을 촬영하게 되는 것이다.That is, in the control room A, the operator performs a visual inspection operation remotely through the control unit 40. The rotation links 13 and 14 of the remote driving robot 10 are controlled by the position control unit 43. By driving the driving rods (11, 12) to move the position of the image camera 20 so as to face the desired tube sheet (2) or diaphragm (4), and then control the operation control unit 42 to check the corresponding The desired image of the location (heat tube leak state, foreign material inspection, welding site inspection) is taken.

그리고, 이와 같이 촬영된 영상(정지영상 또는 동영상)은 카메라 컨트롤유닛(30)을 경유하여 제어부(40)로 전송되어지게 되고, 이와 같이 전송된 영상은 모니터(41)를 통해 실시간으로 디스플레이 되어지게 됨을 알 수 있다.Then, the captured image (still image or video) is transmitted to the control unit 40 via the camera control unit 30, the image thus transmitted is to be displayed in real time through the monitor 41 It can be seen that.

또한, 전송된 영상은 디스플레이와 동시에 데이타 저장부(44)에 저장되어지게 됨으로 체계적인 자료 관리가 이루어질 수 있게 된다.In addition, the transmitted image is stored in the data storage unit 44 at the same time as the display can be systematic data management.

따라서, 본 발명의 원격검사 시스템을 통해 고방사선 구역에 작업자가 직접 들어가지 않더라도 필요시마다 실시간으로 육안검사가 실시되어질 수 있게 됨으로 작업효율 및 안전성을 극대화 할 수 있게 된다.Therefore, even if the operator does not go directly into the high-radiation area through the remote inspection system of the present invention, visual inspection can be performed in real time whenever necessary, thereby maximizing work efficiency and safety.

그리고, 상기에서 본 발명의 특정한 실시 예가 설명 및 도시되었지만 본 발명의 원격 검사시스템 구조가 당업자에 의해 다양하게 변형되어 실시될 수 있음은 자명한 일이다.In addition, although specific embodiments of the present invention have been described and illustrated above, it is obvious that the structure of the remote inspection system of the present invention may be variously modified and implemented by those skilled in the art.

예를 들면, 상기 실시예에서는 원격구동로봇(10)의 특정 구성이 설명 및 도시되었으나, 이러한 구동로봇의 제작형태는 필요에 따라 상이해 질 수 있게 된다.For example, although the specific configuration of the remote drive robot 10 has been described and illustrated in the above embodiment, the manufacturing form of such a drive robot may be different as necessary.

따라서, 이와 같은 변형된 실시예들은 본 발명의 기술적 사상이나 범위로부 터 개별적으로 이해되어져서는 안되며, 이와 같은 변형된 실시 예들은 본 발명의 첨부된 특허청구범위 내에 포함된다 해야 할 것이다.Therefore, such modified embodiments should not be understood individually from the spirit or scope of the present invention, such modified embodiments will be included within the appended claims of the present invention.

도 1은 일반적인 원자력 발전소의 증기 발생기 구조도.1 is a structural diagram of a steam generator of a typical nuclear power plant.

도 2는 본 발명에서의 튜브시트영역 원격 검사시스템 개략도.Figure 2 is a schematic diagram of the tube sheet area remote inspection system in the present invention.

도 3은 본 발명에서의 튜브 인사이드영역 원격 검사시스템 개략도.Figure 3 is a schematic diagram of the tube inside area remote inspection system in the present invention.

도 4는 본 발명에서의 격판 원격 검사시스템 개략도.Figure 4 is a schematic diagram of the diaphragm remote inspection system in the present invention.

도 5는 본 발명 영상카메라 고정부 확대 단면도.5 is an enlarged cross-sectional view of the image camera fixing unit of the present invention.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for the main parts of the drawings>

1 : 증기발생기 2 : 튜브시트1: steam generator 2: tube sheet

4 : 격판 10 : 원격구동로봇4: plate 10: remote control robot

11,12 : 구동로드 13,14 : 회동링크11,12: driving rod 13,14: rotating link

20 : 영상카메라 21 : 완충재20: video camera 21: buffer

22 : 코팅층 23 : 체결볼트22: coating layer 23: fastening bolt

24 : 고정브라켓 25 : 조명등24: fixing bracket 25: lighting

30 : 카메라 컨트롤유닛 40 : 제어부30: camera control unit 40: control unit

41 : 모니터 42 : 동작제어부41: monitor 42: motion control unit

43 : 위치제어부 44 : 데이타 저장부43: position control unit 44: data storage unit

50 : 격벽50: bulkhead

A : 콘트롤 룸 B : 방사능 관리구역A: Control Room B: Radiation Control Area

Claims (5)

방사선 관리구역(B)의 증기발생기(1) 수실내에 설치되어진 원격구동로봇(10)과;A remotely driven robot 10 installed in the steam generator 1 chamber of the radiation management zone B; 상기 원격구동로봇(10)의 선단부에 장착되어 수실내의 튜브시트(2) 또는 격판(4)의 상태를 촬영하는 영상카메라(20)와;An image camera 20 mounted to the front end of the remote driving robot 10 to photograph the state of the tube sheet 2 or diaphragm 4 in the chamber; 상기 영상카메라(20)로 부터 전달되는 영상을 전송받기 위해 방사선 관리구역(B)에 설치되어지는 카메라 컨트롤유닛(30)과;A camera control unit (30) installed in the radiation management area (B) to receive the image transmitted from the image camera (20); 상기 방사선 관리구역(B)과 격벽(50)에 의해 구획되어져 있는 외부의 콘트롤 룸(A)에 설치되어지며, 상기 카메라 컨트롤유닛(30)을 통해 전달되는 영상을 디스플레이 하는 모니터(41)와, 영상카메라(20)의 줌, 포커스 동작을 원격으로 컨트롤하는 동작 제어부(42)가 구성되어진 제어부(40);A monitor 41 installed in an external control room A partitioned by the radiation management zone B and the partition wall 50 and displaying an image transmitted through the camera control unit 30; A controller 40 configured to control an operation of zooming and focusing the image camera 20 remotely; 를 포함하는 구성을 특징으로 하는 증기발생기 수실 내부의 원격 검사 시스템.Remote inspection system inside the steam generator chamber, characterized in that comprising a configuration. 청구항 1에 있어서,The method according to claim 1, 상기 원격구동로봇(10)은 본체 일측에 복수의 구동로드(11,12)가 2개의 회동링크(13,14)에 의해 연결 구성됨으로 영상카메라(20)를 수직, 수평 이동 및 각도를 변화시킬 수 있는 것임을 특징으로 하는 증기발생기 수실 내부의 원격 검사 시스템.The remote driving robot 10 is configured by a plurality of driving rods (11, 12) connected to two rotational links (13, 14) on one side of the body to change the vertical, horizontal movement and angle of the video camera (20) Remote inspection system in the steam generator compartment, characterized in that it can. 청구항 2에 있어서,The method according to claim 2, 상기 제어부(40)에는 원격구동로봇(10)의 2단링크 제어를 통하여 영상카메라(20)의 위치이동 및 각도변화를 제어하는 위치제어부(43)와, 전송된 영상자료가 저장되어지는 데이타 저장부(44)가 각각 구비된 것을 특징으로 하는 증기발생기 수실 내부의 원격 검사 시스템.The control unit 40 stores the position control unit 43 for controlling the position movement and the angle change of the image camera 20 through the two-stage link control of the remote drive robot 10, and the stored image data is stored. Remote inspection system in the steam generator chamber, characterized in that each section 44 is provided. 청구항 1에 있어서,The method according to claim 1, 상기 영상카메라(20)는 카메라를 지지하고 있는 고정브라켓(24)이 체결볼트(23)에 의해 원격구동로봇(10) 선단에 고정 체결되어지되, 고정브라켓(24)과 원격구동로봇(10) 사이에는 충격력 흡수를 위한 완충재(21)가 구비되어지며, 상기 완충재(21)는 방사선 피폭으로 부터 보호하기 위한 코팅층(22)이 형성된 것을 특징으로 하는 증기발생기 수실 내부의 원격 검사 시스템.The image camera 20 is a fixed bracket 24 supporting the camera is fixed to the front end of the remote drive robot 10 by a fastening bolt 23, the fixed bracket 24 and the remote drive robot 10 Between the shock absorber 21 is provided for absorbing the impact force, the buffer 21 is a remote inspection system in the steam generator chamber, characterized in that the coating layer 22 is formed to protect from radiation exposure. 청구항 4에 있어서,The method according to claim 4, 상기 코팅층(22)은 숯 또는 제올라이트가 단독 또는 혼합된 성분으로 이루어진 것을 특징으로 하는 증기발생기 수실 내부의 원격 검사 시스템.The coating layer 22 is a remote inspection system inside the steam generator chamber, characterized in that consisting of a charcoal or zeolite alone or mixed components.
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Cited By (2)

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KR101502702B1 (en) * 2013-11-12 2015-03-13 한국원자력연구원 Steam generator heat exchanging tube identification using a camera and method thereof
CN109451283A (en) * 2018-12-21 2019-03-08 核动力运行研究所 A kind of steam generator water chamber ambient image acquisition system

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KR101418001B1 (en) 2013-01-28 2014-07-09 한전케이피에스 주식회사 A remote visual inspection system for a tube upper bundle in the secondary side of steam generators

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WO1997050005A2 (en) * 1996-06-14 1997-12-31 R. Brooks Associates, Inc. Inspection device
KR200431175Y1 (en) * 2006-09-07 2006-11-15 한전기공주식회사 Boling device of Steam Generator Tube

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Publication number Priority date Publication date Assignee Title
KR101502702B1 (en) * 2013-11-12 2015-03-13 한국원자력연구원 Steam generator heat exchanging tube identification using a camera and method thereof
WO2015072710A1 (en) * 2013-11-12 2015-05-21 한국원자력연구원 System and method for checking number of heat transfer pipe of steam generator in nuclear power plant
CN105706178B (en) * 2013-11-12 2017-10-20 韩国原子力研究院 The heat-transfer pipe number of nuclear power station steam generator confirms system and method
CN109451283A (en) * 2018-12-21 2019-03-08 核动力运行研究所 A kind of steam generator water chamber ambient image acquisition system

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