WO2023055251A1 - Способ измерения прогиба технологического канала ядерного реактора - Google Patents
Способ измерения прогиба технологического канала ядерного реактора Download PDFInfo
- Publication number
- WO2023055251A1 WO2023055251A1 PCT/RU2021/000549 RU2021000549W WO2023055251A1 WO 2023055251 A1 WO2023055251 A1 WO 2023055251A1 RU 2021000549 W RU2021000549 W RU 2021000549W WO 2023055251 A1 WO2023055251 A1 WO 2023055251A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fiber
- optic
- sensor
- deflection
- central tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
- G01B11/161—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge by interferometric means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
-
- 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
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/06—Devices or arrangements for monitoring or testing fuel or fuel elements outside the reactor core, e.g. for burn-up, for contamination
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C19/00—Arrangements for treating, for handling, or for facilitating the handling of, fuel or other materials which are used within the reactor, e.g. within its pressure vessel
- G21C19/20—Arrangements for introducing objects into the pressure vessel; Arrangements for handling objects within the pressure vessel; Arrangements for removing objects from the pressure vessel
- G21C19/207—Assembling, maintenance or repair of reactor components
-
- 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
Definitions
- the present invention relates to measuring technology and can be used to implement a method for measuring the deflection of extended vertically directed channels, and, in particular, to measure the deflection of technological channels of nuclear reactors, including a nuclear reactor of the RBMK type.
- the closest technical solution to the claimed method is a method for measuring the deflection of the technological channel of a nuclear reactor, including placing a carrier element with at least one fiber optic sensor in the central tube of the fuel assembly, supplying a light signal through the fiber optic lines of the sensor and recording the deflection of the central tube of the fuel assembly in the form of profilograms by analyzing the reflected light signals (RF patent No. 2626301, publication date 07/25/2017, IPC G01B 5/20).
- fiber-optic strain sensors are used, which are Bragg gratings embedded at several levels in the structure of a radiation-resistant quartz optical fiber.
- laser radiation with a wavelength from 800 nm to 1600 nm (800 * 10' 9 m to 1600 * 10' 9 m) is used, and a flexible hollow rod is used as a carrier element, inside which fiber-optic strain sensors are placed.
- the technological channel is deflected, the central tube of the fuel assembly is deflected, and, consequently, the flexible rod with fiber-optic sensors located in the central tube is deflected, while tension or compression forces act on the fiber-optic strain gauges.
- the wavelength reflected by the Bragg grating changes. This change is recorded by a photodetector and analyzed using software installed on a computer.
- the disadvantage of the known method for measuring the deflection of the technological channel of a nuclear reactor is the complex and time-consuming technology for manufacturing a fiber-optic strain sensor, associated with the technically complex implementation of microscopic dots with a changed refractive index in a radiation-resistant quartz optical fiber, forming a Bragg grating.
- the task to be solved by the present invention is to create a method for measuring the deflection of the technological channel of the fuel assembly of a nuclear reactor, which makes it possible to exclude the use of a radiation-resistant quartz optical fiber with microscopic dots with a changed refractive index, forming a Bragg grating, the manufacture of which includes a complex and time-consuming a technological operation for obtaining said microscopic points while maintaining the possibility of obtaining reliable information about the change in the geometric parameters of the technological channel of the fuel assembly of a nuclear reactor during its operation.
- the technical result of the present invention is to simplify the measurements of the deflection of the technological channel of a nuclear reactor while maintaining the measurement accuracy.
- the specified technical result in the claimed method for measuring the deflection of the technological channel of a nuclear reactor which includes placing inside the central tube of the fuel assembly fixed at the end of a flexible hollow carrier rod, at least one fiber-optic sensor, supplying a light signal along fiber optic lines connected to the sensor, registration of reflected light signals using a photodetector connected to the fiber optic lines and determination of the deflection of the technological channel of a nuclear reactor based on the analysis of the parameters of the light signal using a computer connected to the photodetector, is achieved by the fact that the fiber optic sensor is supplied with a gravitational pendulum suspended with the possibility of deflection at the lower end of the fiber-optic sensor is used to move a flexible hollow support rod with a fiber-optic sensor along the central tube of the fuel assembly and, using a photodetector and a computer, the shift of the interference pattern of the reflected light signal in the gas gap between the upper end surface is fixed gravitational pendulum and the lower end surface of fiber-optic lines connected to
- FIG. 1 shows a general diagram of a device for implementing a method for measuring the deflection of a technological channel of a nuclear reactor
- FIG. 2 is a general view of a fiber optic sensor for measurements
- FIG. 3 shows the layout of the fiber optic sensor in the straight central tube of the fuel assembly for implementing the method for measuring the deflection of the process channel of a nuclear reactor
- FIG. 4 shows the layout of the fiber optic sensor in the central tube of the fuel assembly with a deflection.
- the method for measuring the deflection of the technological channel of a nuclear reactor is carried out as follows.
- a flexible hollow support rod is placed inside the central tube of the fuel assembly, at the end of which at least one fiber-optic sensor is fixed.
- the light signal is fed through fiber-optic lines connected to the sensor, the reflected light signal is recorded using a photodetector connected to the fiber-optic lines.
- the deflection of the technological channel of the nuclear reactor is determined using a computer connected to the photodetector.
- the fiber-optic sensor is equipped with a gravitational pendulum suspended with the possibility of deflection at the lower end of the fiber-optic sensor, the flexible hollow support rod with the fiber-optic sensor is moved along the central tube of the fuel assembly, and using a photodetector and a computer, the shift of the interference pattern of the reflected light signal in the gas is fixed.
- the profilograms of changes in the gas gap are recorded for each fiber-optic line of each fiber-optic sensor, and based on the obtained profilograms of the gas of the gap, the magnitude and direction of the deflection of the central tube of the fuel assembly from the vertical axis are calculated, which are used to judge the presence and magnitude of the deflection of the technological channel of the nuclear reactor.
- the present invention is illustrated by an example of a specific implementation, described below.
- the given example is not the only possible one, but clearly demonstrates the possibility of achieving the claimed technical result by this set of essential features.
- a flexible hollow support rod 1 with at least one fiber-optic sensor 2 fixed at its end is installed in the central tube 3 of the fuel assembly. Then, the fiber optic sensor 2 is connected to the tunable laser 4 and the photodetector 5, which, in turn, are connected through the block 6 of the primary information processing to the computer 7.
- the body of the fiber optic sensor 2 is rigidly connected by means of a sleeve 8 to a flexible hollow bearing rod 1.
- the tube 9 and the cover 10 of the body of the fiber optic sensor 2 ensure the tightness of the cavity of the fiber optic sensor 2, which is filled with an inert gas.
- the deflection is measured by moving the flexible hollow carrier rod 1 in the central tube 3 of the fuel assembly, at the same time, a light signal from a tunable laser 4 is supplied to the fiber-optic sensor 2 via fiber-optic lines 11, and the signal reflected by the fiber-optic sensor 2 is received by the photodetector 5.
- the gravitational pendulum 12 of the fiber-optic sensor 2 due to the flexible element 13 deviates by an angle proportional to the angle of deviation of the fiber-optic sensor 2 from the gravity vector.
- the proposed method can be used to measure the deflection of technological channels of nuclear reactors, including a nuclear reactor of the RBMK type.
- the use of the proposed method makes it possible to determine the deflection of the central tube of the fuel assembly with the necessary accuracy and, on its basis, to calculate the deflection of the technological channel of a nuclear reactor of the RBMK type.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
Claims
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202180101482.8A CN117769748A (zh) | 2021-09-29 | 2021-12-08 | 核反应堆工艺通道的偏转测量方法 |
| JP2024508355A JP2024537597A (ja) | 2021-09-29 | 2021-12-08 | 原子炉燃料チャネルの撓みを測定する方法 |
| CA3225720A CA3225720A1 (en) | 2021-09-29 | 2021-12-08 | Method of measuring bending of a nuclear reactor fuel channel |
| KR1020247003106A KR20240032053A (ko) | 2021-09-29 | 2021-12-08 | 원자로 기술 채널 굴곡 측정 방법 |
| EP21959589.9A EP4411752A4 (en) | 2021-09-29 | 2021-12-08 | METHOD FOR MEASURING THE DEFLECTION OF A TECHNICAL CHANNEL OF A NUCLEAR REACTOR |
| US18/697,124 US20240401934A1 (en) | 2021-09-29 | 2021-12-08 | Method of measuring bending of a nuclear reactor fuel channel |
| ZA2024/00705A ZA202400705B (en) | 2021-09-29 | 2024-01-19 | Method of measuring bending of a nuclear reactor fuel channel |
| JOJO/P/2024/0073A JOP20240073A1 (ar) | 2021-09-29 | 2024-03-31 | طريقة لقياس انحراف القناة التكنولوجية للمفاعل النووي. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RU2021128446A RU2768260C1 (ru) | 2021-09-29 | 2021-09-29 | Способ измерения прогиба технологического канала ядерного реактора |
| RU2021128446 | 2021-09-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2023055251A1 true WO2023055251A1 (ru) | 2023-04-06 |
Family
ID=80819800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/RU2021/000549 Ceased WO2023055251A1 (ru) | 2021-09-29 | 2021-12-08 | Способ измерения прогиба технологического канала ядерного реактора |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US20240401934A1 (ru) |
| EP (1) | EP4411752A4 (ru) |
| JP (1) | JP2024537597A (ru) |
| KR (1) | KR20240032053A (ru) |
| CN (1) | CN117769748A (ru) |
| CA (1) | CA3225720A1 (ru) |
| JO (1) | JOP20240073A1 (ru) |
| RU (1) | RU2768260C1 (ru) |
| WO (1) | WO2023055251A1 (ru) |
| ZA (1) | ZA202400705B (ru) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20240032881A (ko) * | 2021-09-29 | 2024-03-12 | 조인트 스탁 컴퍼니 “로제네르고아톰” | 원자로 기술 채널 굴곡 측정 방법 |
| CA3225719A1 (en) * | 2021-09-29 | 2023-04-06 | Artyom Nikolaevich FEDOROV | Device for measuring bending of an elongate vertically oriented channel |
| CN119783314B (zh) * | 2024-11-21 | 2025-10-24 | 中广核研究院有限公司 | 核反应堆模型的干涉分析方法和装置 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5594819A (en) * | 1995-07-26 | 1997-01-14 | Electric Power Research Institute | Field-mountable fiber optic sensors for long term strain monitoring in hostile environments |
| RU2246144C2 (ru) * | 2003-04-07 | 2005-02-10 | Смоленская атомная электростанция | Способ и устройство контроля газового зазора технологического канала уран-графитового ядерного реактора |
| RU2361173C2 (ru) * | 2007-08-13 | 2009-07-10 | Открытое акционерное общество "Сибирский химический комбинат" | Устройство для контроля искривления технологических каналов ядерного реактора |
| RU2626301C1 (ru) | 2016-11-15 | 2017-07-25 | Общество с ограниченной ответственностью "Пролог" | Способ измерения искривления технологического канала ядерного реактора типа РБМК и устройство для его осуществления |
| FR3045833B1 (fr) * | 2015-12-18 | 2018-02-09 | Electricite De France | Dispositif de controle et de mesure de defauts de soudure d'une paroi cylindrique et procede qui en fait usage |
| KR101896850B1 (ko) * | 2017-12-07 | 2018-09-07 | 한전케이피에스 주식회사 | 원자로 헤드관통관 검사 시스템 및 검사 방법 |
| EP3542372A1 (fr) * | 2016-11-15 | 2019-09-25 | Framatome | Dispositif d'éclairage sous eau pour l'inspection visuelle d'un équipement de réacteur nucléaire et procédé associé |
| RU2726038C1 (ru) * | 2019-11-12 | 2020-07-08 | Федеральное государственное бюджетное учреждение науки Пермский федеральный исследовательский центр Уральского отделения Российской академии наук | Способ неразрушающего контроля конструкций из композиционного материала |
| RU2738751C1 (ru) * | 2020-07-01 | 2020-12-16 | Общество с ограниченной ответственностью Научно-производственная фирма "Сосны" | Способ ультразвукового контроля параметров формоизменения тепловыделяющих сборок ядерных реакторов |
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| JP3001652B2 (ja) * | 1991-02-07 | 2000-01-24 | 株式会社東芝 | 燃料集合体内観察装置 |
| US5301001A (en) * | 1992-02-12 | 1994-04-05 | Center For Innovative Technology | Extrinsic fiber optic displacement sensors and displacement sensing systems |
| SE9500512L (sv) * | 1995-02-13 | 1996-07-22 | Reflex Instr Ab | Apparat för bestämning av krökningen för en långsträckt kanal såsom ett borrhål i berg |
| RU2371575C1 (ru) * | 2008-04-24 | 2009-10-27 | Государственное образовательное учреждение высшего профессионального образования Читинский государственный университет (ЧитГУ) | Устройство для контроля искривления скважины |
| CN101368978B (zh) * | 2008-10-07 | 2010-10-06 | 哈尔滨工程大学 | 双芯光纤集成式加速度计及测量方法 |
| DE102009047760A1 (de) * | 2009-11-12 | 2011-06-09 | Areva Np Gmbh | Verfahren und Vorrichtung zum Ermitteln der Verformung eines Brennelementes eines Druckwasserreaktors |
| RU2494344C1 (ru) * | 2012-02-17 | 2013-09-27 | Открытое акционерное общество "Опытное Конструкторское Бюро Машиностроения имени И.И. Африкантова" (ОАО "ОКБМ Африкантов") | Устройство для измерения отклонений от вертикали |
| KR20240032881A (ko) * | 2021-09-29 | 2024-03-12 | 조인트 스탁 컴퍼니 “로제네르고아톰” | 원자로 기술 채널 굴곡 측정 방법 |
| CA3225719A1 (en) * | 2021-09-29 | 2023-04-06 | Artyom Nikolaevich FEDOROV | Device for measuring bending of an elongate vertically oriented channel |
-
2021
- 2021-09-29 RU RU2021128446A patent/RU2768260C1/ru active
- 2021-12-08 JP JP2024508355A patent/JP2024537597A/ja not_active Ceased
- 2021-12-08 CN CN202180101482.8A patent/CN117769748A/zh active Pending
- 2021-12-08 US US18/697,124 patent/US20240401934A1/en active Pending
- 2021-12-08 WO PCT/RU2021/000549 patent/WO2023055251A1/ru not_active Ceased
- 2021-12-08 CA CA3225720A patent/CA3225720A1/en active Pending
- 2021-12-08 EP EP21959589.9A patent/EP4411752A4/en active Pending
- 2021-12-08 KR KR1020247003106A patent/KR20240032053A/ko active Pending
-
2024
- 2024-01-19 ZA ZA2024/00705A patent/ZA202400705B/en unknown
- 2024-03-31 JO JOJO/P/2024/0073A patent/JOP20240073A1/ar unknown
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5594819A (en) * | 1995-07-26 | 1997-01-14 | Electric Power Research Institute | Field-mountable fiber optic sensors for long term strain monitoring in hostile environments |
| RU2246144C2 (ru) * | 2003-04-07 | 2005-02-10 | Смоленская атомная электростанция | Способ и устройство контроля газового зазора технологического канала уран-графитового ядерного реактора |
| RU2361173C2 (ru) * | 2007-08-13 | 2009-07-10 | Открытое акционерное общество "Сибирский химический комбинат" | Устройство для контроля искривления технологических каналов ядерного реактора |
| FR3045833B1 (fr) * | 2015-12-18 | 2018-02-09 | Electricite De France | Dispositif de controle et de mesure de defauts de soudure d'une paroi cylindrique et procede qui en fait usage |
| RU2626301C1 (ru) | 2016-11-15 | 2017-07-25 | Общество с ограниченной ответственностью "Пролог" | Способ измерения искривления технологического канала ядерного реактора типа РБМК и устройство для его осуществления |
| EP3542372A1 (fr) * | 2016-11-15 | 2019-09-25 | Framatome | Dispositif d'éclairage sous eau pour l'inspection visuelle d'un équipement de réacteur nucléaire et procédé associé |
| KR101896850B1 (ko) * | 2017-12-07 | 2018-09-07 | 한전케이피에스 주식회사 | 원자로 헤드관통관 검사 시스템 및 검사 방법 |
| RU2726038C1 (ru) * | 2019-11-12 | 2020-07-08 | Федеральное государственное бюджетное учреждение науки Пермский федеральный исследовательский центр Уральского отделения Российской академии наук | Способ неразрушающего контроля конструкций из композиционного материала |
| RU2738751C1 (ru) * | 2020-07-01 | 2020-12-16 | Общество с ограниченной ответственностью Научно-производственная фирма "Сосны" | Способ ультразвукового контроля параметров формоизменения тепловыделяющих сборок ядерных реакторов |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4411752A4 |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2768260C1 (ru) | 2022-03-23 |
| EP4411752A1 (en) | 2024-08-07 |
| CA3225720A1 (en) | 2023-04-06 |
| JP2024537597A (ja) | 2024-10-16 |
| EP4411752A4 (en) | 2025-07-23 |
| KR20240032053A (ko) | 2024-03-08 |
| US20240401934A1 (en) | 2024-12-05 |
| ZA202400705B (en) | 2024-08-28 |
| CN117769748A (zh) | 2024-03-26 |
| JOP20240073A1 (ar) | 2024-03-31 |
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