ES2598752B1 - Gyroscopic support for nuclear power plant fuel pool - Google Patents
Gyroscopic support for nuclear power plant fuel pool Download PDFInfo
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- ES2598752B1 ES2598752B1 ES201531123A ES201531123A ES2598752B1 ES 2598752 B1 ES2598752 B1 ES 2598752B1 ES 201531123 A ES201531123 A ES 201531123A ES 201531123 A ES201531123 A ES 201531123A ES 2598752 B1 ES2598752 B1 ES 2598752B1
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- bearings
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- fuel pool
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- 239000000446 fuel Substances 0.000 title claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 230000005587 bubbling Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000002915 spent fuel radioactive waste Substances 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000013480 data collection Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
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- 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)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- High Energy & Nuclear Physics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
Soporte giroscópico para piscina de combustible de central nuclear.#La presente invención se refiere a un soporte giroscópico para piscina de combustible de central nuclear resistente a los sismos y al oleaje en una piscina de combustible y que comprende un extremo colgante que tiene un conjunto de grados de libertad que evitan tensiones en el mismo durante los efectos de un sismo y del oleaje asociado al mismo, y comprende un sensor de temperatura y una caña de burbujeo para medir el nivel de agua en la piscina de combustible.Gyroscopic support for nuclear power plant fuel pool. # The present invention relates to a gyroscopic support for earthquake fuel pool resistant to earthquakes and waves in a fuel pool and comprising a hanging end having a set of degrees of freedom that avoid tensions in it during the effects of an earthquake and the waves associated with it, and includes a temperature sensor and a bubble rod to measure the level of water in the fuel pool.
Description
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SOPORTE GIROSCOPICO PARA PISCINA DE COMBUSTIBLE DE CENTRALGYROSCOPIC SUPPORT FOR CENTRAL FUEL POOL
NUCLEARNUCLEAR
DESCRIPCIONDESCRIPTION
OBJETO DE LA INVENCIONOBJECT OF THE INVENTION
La presente invencion se refiere a un soporte giroscopico para piscina de combustible de central nuclear resistente a los sismos y al oleaje en una piscina de combustible.The present invention relates to a gyroscopic support for a nuclear power plant fuel pool resistant to earthquakes and waves in a fuel pool.
El objeto de la presente invencion es un soporte giroscopico para piscina de combustible de central nuclear que comprende un extremo colgante que tiene un conjunto de grados de libertad que evitan tensiones en el mismo durante los efectos de un sismo y del oleaje asociado al mismo, y comprende un sensor de temperatura y una cana de burbujeo para medir el nivel de agua en la piscina de combustible.The object of the present invention is a gyroscopic support for a nuclear power plant's fuel pool comprising a hanging end that has a set of degrees of freedom that avoid tensions therein during the effects of an earthquake and the waves associated therewith, and It comprises a temperature sensor and a bubbler to measure the level of water in the fuel pool.
ANTECEDENTES DE LA INVENCIONBACKGROUND OF THE INVENTION
Se conocen en el estado de la tecnica los soportes para piscina de combustible de central nuclear que comprenden bastidor fijado al borde de la piscina en el que se fijan diferentes sensores y medios de medida para llevar a cabo diferentes mediciones o toma de datos del combustible gastado en la central nuclear y dispuesto en dicha piscina.Nuclear power plant fuel pool supports are known in the state of the art comprising frame fixed to the edge of the pool in which different sensors and measurement means are fixed to carry out different measurements or data collection of spent fuel at the nuclear power plant and arranged in said pool.
Entre los anteriores se conoce la solicitud de patente con numero de publication CN104200855A relativo a un soporte que comprende un instrumento de medicion fijo en el soporte de instalacion, en el que el soporte de instalacion esta suspendido en la pared lateral de la piscina de combustible gastado, una placa de soporte que esta suspendida verticalmente en la pared lateral de la piscina de combustible gastado, una placa de montaje superior y una placa de montaje inferior dispuesta en la placa de soporte donde se encuentra dispuesto un instrumento de medida.Among the above, the patent application with publication number CN104200855A is known relative to a support comprising a fixed measuring instrument in the installation support, in which the installation support is suspended in the side wall of the spent fuel pool , a support plate that is suspended vertically on the side wall of the spent fuel pool, an upper mounting plate and a lower mounting plate arranged on the support plate where a measuring instrument is arranged.
El soporte anterior presenta los inconvenientes de que puede ser danado durante un sismo o durante el oleaje consecuencia del mismo, lo que provoca que la medicion tomada por el instrumento de medida pueda ser erronea.The previous support has the drawbacks that it can be damaged during an earthquake or during the swell resulting from it, which causes the measurement taken by the measuring instrument to be wrong.
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El soporte giroscopico para piscina de combustible de central nuclear de la presente invention solventa todos los inconvenientes anteriores ya que presenta una configuration resistente a los sismos y al oleaje en la piscina de combustible.The gyroscopic support for the nuclear power plant's fuel pool of the present invention solves all the above drawbacks as it has a configuration resistant to earthquakes and waves in the fuel pool.
DESCRIPCION DE LA INVENCIONDESCRIPTION OF THE INVENTION
La presente invencion se refiere a un soporte giroscopico para piscina de combustible de central nuclear que mantiene su integridad estructural en caso de un evento de sismo y oleaje con el fin de que el combustible gastado presente en la piscina no se vea afectado por dicho soporte.The present invention relates to a gyroscopic support for a nuclear power plant fuel pool that maintains its structural integrity in the event of an earthquake and swell event so that the spent fuel present in the pool is not affected by said support.
El soporte giroscopico comprende un bastidor de fijacion de dicho soporte giroscopo al borde de la piscina.The gyroscopic support comprises a fixing frame of said gyroscope support at the edge of the pool.
El soporte giroscopico comprende un primer cuerpo que se une al bastidor por medio de dos primeros cojinetes que dotan al primer cuerpo de un grado de libertad pudiendo girar libremente a traves del eje que une dichos primeros cojinetes.The gyroscopic support comprises a first body that joins the frame by means of two first bearings that give the first body a degree of freedom and can freely rotate through the axis that joins said first bearings.
Opcionalmente, el soporte giroscopico comprende unos medios elasticos que permiten el desplazamiento del primer cuerpo en la direction del eje que une los primeros cojinetes, de manera que el primer cuerpo no absorbe los desplazamientos en dicha direccion.Optionally, the gyroscopic support comprises elastic means that allow the movement of the first body in the direction of the axis that joins the first bearings, so that the first body does not absorb the displacements in said direction.
El soporte giroscopico comprende un segundo cuerpo que se une al primer cuerpo mediante unos segundos cojinetes que dotan al segundo cuerpo de un grado de libertad pudiendo girar libremente a traves del eje que une dichos segundos cojinetes. Este eje que une dichos segundos cojinetes forma un angulo de 90° respecto al eje que une los primeros cojinetes.The gyroscopic support comprises a second body that joins the first body by means of second bearings that give the second body a degree of freedom and can freely rotate through the axis that joins said second bearings. This axis that joins said second bearings forms an angle of 90 ° with respect to the axis that joins the first bearings.
El segundo cuerpo comprende ademas al menos un tubo introducido hasta una primera profundidad en la piscina que comprende un sensor de temperatura y una cana de burbujeo introducida hasta una segunda profundidad en la piscina para medir el nivel de agua en la piscina de combustible. De esta manera, el sensor de temperatura y la cana de burbujeo ofrecen information a un operador para hacerThe second body further comprises at least one tube inserted to a first depth in the pool comprising a temperature sensor and a bubble rod introduced to a second depth in the pool to measure the level of water in the fuel pool. In this way, the temperature sensor and the bubbler provide information to an operator to make
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frente a los accidentes de perdida de suministro electrico (SBO, siglas en ingles de "station black out”) prolongado y perdida prolongada del sumidero final de calor (UHS, siglas en ingles de "ultimate heat sink”).against prolonged power loss (SBO) accidents and prolonged loss of the final heat sink (UHS).
Opcionalmente, el soporte giroscopico comprende ademas un manometro que mide la presion en la piscina a una determinada profundidad y/o un regulador de caudal, que son medidas indirectas del nivel del agua en la piscina de combustible.Optionally, the gyro support also includes a pressure gauge that measures the pressure in the pool at a certain depth and / or a flow regulator, which are indirect measures of the water level in the fuel pool.
La especial configuration del soporte giroscopico garantiza su funcionamiento en condiciones de accidente aunque no lleva a cabo ninguna funcion de seguridad, estando cualificado sismicamente como equipos Categoria Sismica "1A” y ambientalmente en funcion de las condiciones ambientales que deben soportar durante y despues de un accidente.The special configuration of the gyroscopic support guarantees its operation in accident conditions although it does not carry out any safety function, being seismically qualified as Seismic Category "1A" equipment and environmentally depending on the environmental conditions that must endure during and after an accident .
BREVE DESCRIPCION DE LOS DIBUJOSBRIEF DESCRIPTION OF THE DRAWINGS
La Figura 1 muestra una vista en planta del soporte giroscopico para piscina de combustible de central nuclear de la presente invencion.Figure 1 shows a plan view of the gyroscopic support for the nuclear power plant fuel pool of the present invention.
Las Figura 2 muestra una vista en alzado del bastidor del soporte giroscopico para piscina de combustible de central nuclear de la presente invention.Figure 2 shows an elevation view of the gyroscopic support frame for the nuclear power plant fuel pool of the present invention.
La Figura 3 muestra una vista lateral del tubo que comprende un sensor de temperatura y de la cana de burbujeo del segundo cuerpo del soporte giroscopico para piscina de combustible de central nuclear de la presente invencion.Figure 3 shows a side view of the tube comprising a temperature sensor and the bubbler of the second body of the gyroscopic support for the nuclear power plant fuel pool of the present invention.
REALIZACION PREFERENTE DE LA INVENCIONPREFERRED EMBODIMENT OF THE INVENTION
A continuation se procedera a describir de manera detallada el soporte giroscopico para piscina de combustible de central nuclear de la presente invencion.Next, the gyroscopic support for the nuclear power plant fuel pool of the present invention will be described in detail.
El soporte giroscopico para piscina de combustible de central nuclear comprende un bastidor (1) de fijacion de dicho soporte giroscopo al borde de la piscina (2). El bastidor (1) comprende una placa (3) horizontal de fijacion que comprende unos orificios (4) de fijacion del bastidor (1) al borde de la piscina, un perfil vertical (5) unido a la placa (3)The gyroscopic support for the nuclear power plant's fuel pool comprises a frame (1) for fixing said gyro support to the edge of the pool (2). The frame (1) comprises a horizontal fixing plate (3) comprising holes (4) for fixing the frame (1) to the edge of the pool, a vertical profile (5) attached to the plate (3)
horizontal de fijacion y sendos perfiles horizontales (6) unidos a la parte superior del perfil vertical (5).horizontal fixing and two horizontal profiles (6) attached to the top of the vertical profile (5).
El soporte giroscopico comprende un primer cuerpo (7) dispuesto entre los perfiles 5 horizontales (6) y que se une a los mismos (6) mediante dos primeros cojinetes (8) que permiten el giro del primer cuerpo (7) a traves del eje que une dichos primeros cojinetes (8). El primer cuerpo (7) se encuentra unido ademas a los perfiles horizontales (6) a traves de unos medios elasticos, preferentemente unos muelles (9), unidos a un empujador (10), y ambos, muelle (9) y empujador (10) dispuestos en el 10 interior de un tubo (11) fijado a cada uno de los perfiles horizontales (6). Cada uno de los tubos (11) se cierra con un tapon (17) para evitar la salida del muelle (9) y del empujador (10). Los muelles (9) permiten el desplazamiento del primer cuerpo (7) en la direccion del eje que une los primeros cojinetes (8), de manera que el primer cuerpo (1) no absorbe los desplazamientos en dicha direccion.The gyroscopic support comprises a first body (7) disposed between the horizontal profiles 5 (6) and which joins them (6) by means of two first bearings (8) that allow the rotation of the first body (7) through the shaft which joins said first bearings (8). The first body (7) is also connected to the horizontal profiles (6) through elastic means, preferably springs (9), joined to a pusher (10), and both, spring (9) and pusher (10 ) arranged inside a tube (11) fixed to each of the horizontal profiles (6). Each of the tubes (11) is closed with a cap (17) to prevent the exit of the spring (9) and the pusher (10). The springs (9) allow the displacement of the first body (7) in the direction of the axis that joins the first bearings (8), so that the first body (1) does not absorb the displacements in said direction.
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El soporte giroscopico comprende un segundo cuerpo (12) que se une al primer cuerpo (7) mediante unos segundos cojinetes (13) que dotan al segundo cuerpo de un grado de libertad pudiendo girar libremente a traves del eje que une dichos segundos cojinetes (13).The gyroscopic support comprises a second body (12) that joins the first body (7) by means of second bearings (13) that give the second body a degree of freedom and can freely rotate through the axis that joins said second bearings (13 ).
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Preferentemente el eje que une los primeros cojinetes (8) es perpendicular al eje que une los segundos cojinetes (13). De manera mas preferente, el eje que une los primeros cojinetes (8) es paralelo al borde de la piscina (2), de manera que no soporta los esfuerzos asociados al sismo y el eje que une los segundos cojinetes (13) es 25 perpendicular al borde de la piscina (2), de manera que no soporta los esfuerzos asociados al oleaje.Preferably the axis that joins the first bearings (8) is perpendicular to the axis that joins the second bearings (13). More preferably, the axis that joins the first bearings (8) is parallel to the edge of the pool (2), so that it does not support the stresses associated with the earthquake and the axis that joins the second bearings (13) is perpendicular at the edge of the pool (2), so that it does not support the stresses associated with the waves.
El segundo cuerpo (12) comprende ademas dos tubos (14) de una longitud aproximada de 10 m introducidos en la piscina (2) donde aproximadamente 3 m 30 quedan dispuestos en el interior de la piscina (2), donde al menos uno de los tubos (14) comprende un sensor de temperatura (15). El segundo cuerpo (12) comprende ademas una cana de burbujeo (16) de una longitud aproximada de 10 m introducida en la piscina (2) para medir el nivel de agua en la piscina (2) de combustible.The second body (12) also comprises two tubes (14) of an approximate length of 10 m introduced into the pool (2) where approximately 3 m 30 are arranged inside the pool (2), where at least one of the tubes (14) comprises a temperature sensor (15). The second body (12) also comprises a bubbling rod (16) of an approximate length of 10 m introduced into the pool (2) to measure the water level in the fuel pool (2).
Opcionalmente, el soporte giroscopico comprende ademas un manometro que mide la presion en la piscina a una determinada profundidad y/o un regulador de caudal (no mostrados), dispuestos en un extremo superior de la cana de burbujeo (15).Optionally, the gyroscopic support further comprises a manometer that measures the pressure in the pool at a certain depth and / or a flow regulator (not shown), arranged at an upper end of the bubbler (15).
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201531123A ES2598752B1 (en) | 2015-07-29 | 2015-07-29 | Gyroscopic support for nuclear power plant fuel pool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES201531123A ES2598752B1 (en) | 2015-07-29 | 2015-07-29 | Gyroscopic support for nuclear power plant fuel pool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ES2598752A1 ES2598752A1 (en) | 2017-01-30 |
| ES2598752B1 true ES2598752B1 (en) | 2017-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES201531123A Active ES2598752B1 (en) | 2015-07-29 | 2015-07-29 | Gyroscopic support for nuclear power plant fuel pool |
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| ES (1) | ES2598752B1 (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202976866U (en) * | 2012-12-12 | 2013-06-05 | 中广核工程有限公司 | Measuring system for nuclear plant spent fuel pool liquid level and temperature |
| CN203010162U (en) * | 2013-01-16 | 2013-06-19 | 成都中核鑫星应用技术研究所 | Mounting mechanism for integrated electric contact water level and temperature measuring device for spent fuel pool of nuclear power station |
| CN103527706B (en) * | 2013-11-04 | 2016-05-04 | 绵阳市维博电子有限责任公司 | The damping device of a kind of weary pit level and device for detecting temperature |
| JP6084580B2 (en) * | 2014-01-14 | 2017-02-22 | 株式会社東芝 | Measuring device mounting stand for spent fuel pool |
| CN104200855B (en) * | 2014-08-12 | 2017-01-18 | 中国核电工程有限公司 | Installation device for measuring instrument of in-service spent fuel pool in nuclear power plant |
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- 2015-07-29 ES ES201531123A patent/ES2598752B1/en active Active
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| Publication number | Publication date |
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| ES2598752A1 (en) | 2017-01-30 |
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