EP3174066B1 - Procede et dispositif de decharge de pression et inertisation de recipients a dechets pour dechets radioactifs - Google Patents

Procede et dispositif de decharge de pression et inertisation de recipients a dechets pour dechets radioactifs Download PDF

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Publication number
EP3174066B1
EP3174066B1 EP15196804.7A EP15196804A EP3174066B1 EP 3174066 B1 EP3174066 B1 EP 3174066B1 EP 15196804 A EP15196804 A EP 15196804A EP 3174066 B1 EP3174066 B1 EP 3174066B1
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EP
European Patent Office
Prior art keywords
adapter
container
pressure
gas
interior
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.)
Active
Application number
EP15196804.7A
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German (de)
English (en)
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EP3174066A1 (fr
Inventor
Martin Hoffmann
Ingmar Koischwitz
Torsten Kahl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GNS Gesellschaft fuer Nuklearservice mbH
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GNS Gesellschaft fuer Nuklearservice mbH
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by GNS Gesellschaft fuer Nuklearservice mbH filed Critical GNS Gesellschaft fuer Nuklearservice mbH
Priority to EP15196804.7A priority Critical patent/EP3174066B1/fr
Priority to KR1020160156262A priority patent/KR20170062388A/ko
Priority to JP2016228817A priority patent/JP2017096955A/ja
Priority to CN201611060028.XA priority patent/CN106847355A/zh
Priority to TW105138963A priority patent/TW201729219A/zh
Publication of EP3174066A1 publication Critical patent/EP3174066A1/fr
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Publication of EP3174066B1 publication Critical patent/EP3174066B1/fr
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Classifications

    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00—Transportable or portable shielded containers
    • G21F5/06—Details of, or accessories to, the containers
    • G21F5/14—Devices for handling containers or shipping-casks, e.g. transporting devices loading and unloading, filling of containers
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00—Transportable or portable shielded containers
    • G21F5/06—Details of, or accessories to, the containers
    • G21F5/12—Closures for containers; Sealing arrangements
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00—Transportable or portable shielded containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/22—Safety features
    • B65D90/32—Arrangements for preventing, or minimising the effect of, excessive or insufficient pressure
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F5/00—Transportable or portable shielded containers
    • G21F5/06—Details of, or accessories to, the containers
    • G—PHYSICS
    • G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
    • G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
    • G21F9/00—Treating radioactively contaminated material; Decontamination arrangements therefor
    • G21F9/28—Treating solids
    • G21F9/34—Disposal of solid waste
    • G21F9/36—Disposal of solid waste by packaging; by baling

Definitions

  • the invention relates to a method for pressure relief and inerting of waste containers for radioactive waste, in particular for low and medium active radioactive waste. Furthermore, the invention relates to an adapter device for pressure relief and inerting of waste containers for radioactive waste.
  • Waste containers for radioactive waste are usually made of metallic materials. They have a container bottom, an adjoining container casing and at least one container lid. Such waste containers have to meet certain safety requirements and must be made sufficiently resistant to pressure in addition to ensuring adequate shielding.
  • waste container instead of the term waste container also briefly the term container is used.
  • the waste containers are designed as transport and / or storage containers.
  • the invention is based on the finding that due to the properties of the radioactive waste or by combining different radioactive waste and possibly water processes can result that cause a change in the gas atmosphere in the container interior.
  • radiolysis for example, in the container interior, an overpressure can be built up.
  • the build-up of pressure arises in particular by the formation of hydrogen.
  • a negative pressure can also be created in the interior of the container, for example due to the consumption of oxygen or due to the temperature difference between the warm waste container after conditioning and closing and the colder waste container during storage.
  • the invention is the technical problem of providing a method of the type mentioned above, with a simple, effective and reliable inerting and pressure relief of the waste container is possible.
  • the invention is further based on the technical problem of specifying a corresponding device for pressure relief and inerting.
  • the invention teaches a method for pressure relief and inerting of waste containers for radioactive waste, especially for low- and intermediate-level waste, wherein an adapter with an adapter internal volume to the container - in particular to the container lid - is connected, in which case the adapter or the adapter inner volume is filled with an inert gas under overpressure, wherein subsequently a connection between the container interior and the adapter inner volume is made, so that according to the pressure difference between the pressure in the container interior and the overpressure in the adapter internal volume a mixing pressure in the adapter inner volume and in Thereafter, the mixing pressure in the container interior and in the adapter internal volume is expanded - in particular to ambient pressure is released - and wherein subsequently in the container interior, a negative pressure is generated and the gas removed from the container interior gas or gas mixture is replaced by an inert gas.
  • Nitrogen is preferably used as the inert gas. In principle, a noble gas could also be used as an inert gas.
  • the core of the invention is the adapter according to the invention with the adapter internal volume.
  • This adapter is - conveniently on the container top - connected to the container lid and preferably directly to the container lid. It is within the scope of the invention that the adapter is fixed with at least one fixing element on the container lid. It is also within the scope of the invention that in the pressure relief and inerting of the waste container or the container interior according to the invention, all gas flows listed above are performed via the adapter internal volume.
  • the adapter ensures that all processes or processes of the method according to the invention take place under defined conditions decoupled from the ambient conditions.
  • the invention is based on the finding that a very simple and functionally reliable pressure relief and inerting of the container interior is possible via the adapter according to the invention with its adapter internal volume. Explosive gas mixtures - especially gas mixtures with hydrogen and oxygen - can be safely and safely released into the environment or disposed of. These measures are possible in the context of the method according to the invention with surprisingly little effort.
  • Adapter device means here and below in particular the device from the adapter and at least one line connected thereto, preferably a plurality of lines and / or components connected thereto. After the at least substantial removal of the air or of the atmospheric oxygen, it is recommended to generate a negative pressure or a vacuum in the adapter device or in the adapter internal volume and the lines and / or components connected thereto.
  • a filling of the adapter device or of the inner volume of the adapter and of the lines and / or components connected thereto is subsequently carried out with inert gas.
  • the generation of the negative pressure / vacuum and the subsequent filling with inert gas is expediently carried out with the proviso that the oxygen content in the adapter device is less than 1% by volume and is preferably significantly less than 1% by volume.
  • a preferred embodiment of the method according to the invention is characterized in that - in particular before the above-described displacement of the air or the atmospheric oxygen by inert gas - a leak test of the adapter device is performed.
  • subregions of the adapter device are advantageously evacuated-advantageously subregions of the adapter device that are separated by shut-off elements-and subsequently the pressure rise in these subregions is measured and, in particular, measured over a defined period of time. It is within the scope of the invention that the Subsections are evacuated in succession or that in the sub-areas successively a negative pressure is generated. If the measured pressure increase is below a defined limit value, the subarea or the entirety of the subregions can be designated as dense.
  • the above-described leak test is expediently also carried out on the adapter (as part of the adapter device) and on its interface to the container.
  • the adapter inner volume is inventively filled with inert gas under pressure.
  • the filling of the adapter internal volume with the inert gas under overpressure is recommended, with the proviso that the overpressure in the adapter internal volume is 1.5 to 10 bar, preferably 2 to 7 bar.
  • the adapter is fixed directly on the container lid of the container.
  • the connection between the adapter inner volume and the container interior is made via at least one small lid arranged in the container lid.
  • a small lid is present in the container lid, which can be opened by means of the adapter or by means of a built-in adapter lifting device.
  • the at least one small lid with the lifting device of the adapter is lifted from the container lid of the container.
  • the connection between the adapter internal volume and the container interior is produced via at least one opening or via at least one opening channel, preferably via at least two opening channels and particularly preferably via two opening channels.
  • connection between adapter inner volume and container interior is made after the adapter or the adapter inner volume has been filled with an inert gas under pressure.
  • the mixing pressure established after connecting the container interior and the adapter internal volume is smaller than the previously existing overpressure in the adapter internal volume filled with the inert gas.
  • the mixing pressure is less than 10 bar, preferably less than 7 bar and very preferably less than 5 bar.
  • an additional pressure reduction can be initiated and admittedly be initiated by means of a bypass device ,
  • a defined upper limit for the pressure or mixing pressure is set.
  • the mixing pressure in the interior of the container and the internal volume of the adapter is then released, in particular reduced to ambient pressure, and subsequently a negative pressure is generated in the interior of the container, the gas or gas mixture present in the interior of the container being removed.
  • this withdrawn from the container interior or removed gas / gas mixture is first diluted with a diluent gas - preferably with air as a diluent gas - and dissipated in dilute form, in particular to the environment or to the atmosphere.
  • the gas or gas mixture is withdrawn via the adapter internal volume from the container interior.
  • the dilution of the gas or gas mixture is carried out with the proviso that combustible or explosive gas / gas mixture after dilution is well below the explosion limit. This dilution ensures that any downstream systems are not exposed to an explosive atmosphere.
  • the gas or gas mixture withdrawn from the container interior is replaced by inert gas.
  • This substitution by inert gas is recommended with the proviso that the remaining oxygen content in the container interior is less than 1 vol .-%, preferably less than 0.8 vol .-% and very preferably less than 0.5 vol .-%.
  • the container interior filled with inert gas preferably nitrogen
  • inert gas preferably nitrogen
  • the container interior therefore prevails after replacement by inert gas or after filling with inert gas ambient pressure.
  • the adapter is expediently separated again from the container or from the container lid.
  • the invention further teaches an adapter device for pressure relief and inerting of waste containers for radioactive waste, especially for low- and intermediate-level waste, wherein an adapter is provided with adapter internal volume for receiving a gas volume, wherein the adapter or the adapter inner volume is connected to at least one pump or vacuum pump for removing gases or for generating a negative pressure and wherein the adapter or the adapter internal volume is further connected to at least one inert gas source for filling the adapter inner volume and / or the container interior with inert gas.
  • the adapter internal volume of the adapter is according to a preferred embodiment of the invention 4 to 20%, preferably 5 to 15% and very preferably 6 to 10% of the volume of the container interior. In that regard, it is recommended that the volume of the container interior is larger or significantly larger than the adapter internal volume. It is recommended that the adapter or the adapter internal volume is connected to the pump via at least one vacuum line and / or is connected to the inert gas source via at least one inert gas line. According to a recommended embodiment of the invention, the adapter device in addition to the adapter, the pump, the inert gas source and preferably the at least one vacuum line and / or the at least one inert gas line.
  • a very preferred embodiment of the adapter device according to the invention is characterized in that the adapter is arranged for direct arrangement or fixation on or on the container lid arrangement of the container. Conveniently, the adapter is fixed directly on the container lid of the container. It is within the scope of the invention that the at least one small lid in the container lid is covered by the adapter or by the internal volume of the adapter. Conveniently, the at least one small lid is lifted by means of a lifting device integrated in the adapter and thus opened. The small lid is recommended to be moved or manipulated within the adapter's internal volume of the adapter.
  • a particularly recommended embodiment of the adapter device according to the invention is characterized in that at least one mixing device - preferably in the form of at least one mixing nozzle - for the dilution or for mixing the withdrawn from the container interior gas or gas mixture with a diluent gas - preferred with air - is provided.
  • the mixing device - preferably in the mixing nozzle - a large volume of the diluent gas is mixed with a small volume of the withdrawn gas or gas mixture.
  • any combustible or explosive gas / gas mixture can be diluted with the proviso that the gas mixture discharged from the mixing device or from the mixing nozzle is no longer explosive and thus without hesitation to the environment or can be released to the atmosphere.
  • the invention is also an adapter - in particular for carrying out the method according to the invention and / or for the adapter device according to the invention -, wherein the adapter has an adapter cover and an adjoining the adapter cover and peripheral adapter wall, wherein the adapter cover and adapter wall include the adapter inner volume or limit and wherein the adapter preferably has at least one fixing element for fixing the adapter to a container lid of a waste container.
  • the adapter is open or substantially open on its underside facing the container lid, so that in the container lid fixed state of the adapter, the adapter inner volume connects directly to the container lid or to the top of the container lid. It is recommended that the adapter internal volume is 4 to 20%, preferably 5 to 15% of the volume of the container interior.
  • the invention is based on the finding that with the method according to the invention and with the adapter device according to the invention, a little complicated and functionally reliable pressure relief and inerting of a waste container is possible.
  • This pressure relief and inerting according to the invention can be carried out with relatively few process steps and nonetheless meets all safety requirements. It can be ensured in the context of the method according to the invention that problematic gases or gas mixtures in the container interior can be replaced functionally and effectively by inert gas. In this case, a safe opening of the waste container and a functionally reliable and effective pressure reduction and gas or gas atmosphere exchange can be carried out with inert gas.
  • flammable and / or explosive gas mixtures can be prepared in a simple way so that they can be delivered to a nuclear ventilation system without any problems.
  • the nuclear ventilation system must meet any additional requirements in terms of explosive gas mixtures or resulting pressure surges.
  • the depressurization and inerting of a waste container according to the present invention can be realized easily and reliably with a relatively small cost.
  • an adapter 2 with an adapter internal volume 3 is connected to the container 1, and indeed this adapter 2 is preferably fixed in the exemplary embodiment to the container lid 4 of the container 1.
  • the adapter 2 is part of an adapter device 6 which will be explained in more detail below, which has, inter alia, a pump or vacuum pump 7 and an inert gas source 8, a vacuum line 10 and an inert gas line 11.
  • part of the adapter device 6 is also a mixing nozzle 9 which will be explained below ,
  • the adapter 2 has an adapter cover 12 and a circumferential adapter wall 13 connected thereto.
  • the container 1 facing bottom 14 of the adapter 2 is open, so that the adapter inner volume 3 in the assembled state of the adapter 2 directly adjoins the top of the container lid 4.
  • the adapter 2 further comprises fixing elements 15 for fixing the adapter 2 to the container lid 4.
  • the adapter 2 is preferred and equipped in the embodiment with a lifting device 16 which is connected to a small lid 17 in the container lid 4 of the container 1. By means of the lifting device 16, the small lid 17 can be raised and in this way it is recommended, and in the exemplary embodiment via opening openings 18 provided in the container lid 4, to establish a connection between the adapter internal volume 3 and the container interior 5.
  • opening channels 18 are present in the container lid 4. In the figures, however, only one opening channel 18 is shown. With the lifting device 16, the small lid 17 can also be stored again.
  • a leak test of the system is carried out in a first method step.
  • partial sections of the adapter device 6 which are separated by shut-off elements or valves are preferably evacuated one after the other, and then the pressure increase in these partial areas is measured over a defined period of time. If the increase in pressure in the partial areas is below a previously defined limit value, the partial area or the adapter device 6 can be classified as dense.
  • the air is then removed from the adapter device 6, in particular from the adapter internal volume 3 and the lines 10, 11 connected thereto, by generating a vacuum or a vacuum in the components by means of the pump or vacuum pump 7. This evacuation is carried out with the proviso that the oxygen content in the adapter device 6 is expediently less than 1% by volume.
  • the adapter 2 or the adapter inner volume 3 is filled with inert gas under overpressure.
  • nitrogen is introduced from the inert gas source 8 via the inert gas line 11 into the adapter internal volume 3.
  • the overpressure of the inert gas in the adapter internal volume 3 may finally be 7 bar.
  • a mixing pressure arises in accordance with the pressure difference between the pressure in the adapter internal volume 3 and the pressure in the container interior 5.
  • the procedure is recommended to be carried out with the proviso that a mixing pressure of less than 7 bar is established.
  • the mixing pressure in the container interior 5 and in the adapter inner volume 3 is released.
  • gas is withdrawn via the vacuum line 10 and preferably fed via a filter 19 of the mixing nozzle 9.
  • the mixing nozzle 9 With the help of the mixing nozzle 9, the withdrawn from the container interior 5 gas or gas mixture with a diluent gas - recommended and in the embodiment with air as a diluent - diluted.
  • the dilution is expediently dimensioned such that combustible gas or combustible gas mixture withdrawn from the container interior 5 is clearly below the lower explosion limit.
  • a relatively large volume flow of air is introduced into the mixing nozzle 9 via a first inlet 21 of the mixing nozzle 9, and a relatively small volume flow of the gas or gas mixture withdrawn from the container interior 5 is introduced via the second inlet 22.
  • the resulting air-diluted gas or gas mixture is then well below the lower explosion limit.
  • This diluted gas / gas mixture can be given without hesitation, for example, to an exhaust system 23 of a power plant.
  • a negative pressure is generated in the container interior 5 and in the adapter inner volume 3 by means of the pump 7, and the gas or gas mixture withdrawn during the evacuation is treated as described above and diluted with the aid of the mixing nozzle 9.
  • the removed gas or gas mixture is replaced by inert gas, preferably nitrogen and in the exemplary embodiment, which in turn is supplied from the inert gas source 8.
  • This substitution of the gas or gas mixture by the inert gas is carried out with the proviso that the oxygen content in the container 1 is less than 1 vol .-%.
  • the filled with the inert gas container interior 5 is set to ambient pressure.
  • the inventive method is characterized by the advantage that both under pressure and under negative pressure standing waste container 1 can be safely depressurized and rendered inert. With the inventive method already filled and conditioned waste container 1 can be easily prepared for transport to a repository and it can be ensured that the container 1 with respect to the pressure and in relation to the gas content meet all requirements readily.

Claims (11)

  1. Procédé pour la dépressurisation et l'inertage de récipients à déchets (1) pour des déchets radioactifs, dans lequel un adaptateur (2) avec un volume intérieur d'adaptateur (3) est raccordé au récipient (1), dans lequel l'adaptateur (2) ou le volume intérieur d'adaptateur (3) est rempli sous surpression avec un gaz inerte, dans lequel suite à cela, une liaison est établie entre l'espace intérieur du récipient (5) et le volume intérieur d'adaptateur (3), de manière à régler une pression mixte dans le volume intérieur d'adaptateur (3) et dans l'espace intérieur du récipient (5) en fonction de la différence de pression entre la pression dans l'espace intérieur du récipient (5) et la surpression dans le volume intérieur d'adaptateur (3), dans lequel, suite à cela, la pression mixte dans l'espace intérieur du récipient (5) et dans le volume intérieur d'adaptateur (3) est relâchée et dans lequel une dépression est ensuite produite dans l'espace intérieur du récipient (5) et le gaz ou mélange de gaz évacué à partir de l'espace intérieur du récipient (5) est remplacé par au moins un gaz inerte.
  2. Procédé selon la revendication 1, dans lequel l'étanchéité du dispositif d'adaptateur (6) est vérifiée, dans lequel des régions partielles du dispositif d'adaptateur (6) sont évacuées, puis l'augmentation de la pression dans ces régions partielles est mesurée.
  3. Procédé selon l'une des revendications 1 ou 2, dans lequel de l'air ou l'oxygène de l'air est éliminé ou refoulé hors du dispositif d'adaptateur (6) avec le volume intérieur d'adaptateur (3) et des conduites et/ou éléments raccordés à celui-ci, dans lequel une dépression est produite dans le dispositif d'adaptateur (6), puis le dispositif d'adaptateur (6) est rempli avec du gaz inerte.
  4. Procédé selon l'une des revendications 1 à 3, dans lequel le remplissage du volume intérieur d'adaptateur (3) avec le gaz inerte est réalisé sous surpression, la surpression dans le volume intérieur d'adaptateur (3) devant s'élever de 1,5 à 10 bar.
  5. Procédé selon l'une des revendications 1 à 4, dans lequel la pression mixte établie après le raccordement de l'espace intérieur du récipient (5) et du volume intérieur d'adaptateur (3) est inférieure à la surpression présente précédemment dans le volume intérieur d'adaptateur (3) rempli avec le gaz inerte, et dans lequel la pression mixte est inférieure à 10 bar.
  6. Procédé selon l'une des revendications 1 à 5, dans lequel, si la pression mixte établie est supérieure à la surpression appliquée précédemment dans le volume intérieur d'adaptateur (3) et/ou supérieure à une limite supérieure, une dépressurisation sera initiée.
  7. Procédé selon l'une des revendications 1 à 6, dans lequel le gaz ou le mélange de gaz évacué à partir de l'espace intérieur du récipient (5) est tout d'abord dilué avec un gaz de dilution, puis évacué sous forme diluée.
  8. Procédé selon l'une des revendications 1 à 7, dans lequel le remplacement du gaz ou du mélange de gaz dans l'espace intérieur du récipient (5) par du gaz inerte est réalisé à condition que la teneur en oxygène restante dans l'espace intérieur du récipient (5) soit inférieure à 1% en volume.
  9. Procédé selon l'une des revendications 1 à 8, dans lequel l'espace intérieur du récipient (5) rempli de gaz inerte est réglé sur une pression ambiante.
  10. Dispositif de dépressurisation et d'inertage pour des récipients à déchets pour des déchets radioactifs, en particulier pour la mise en oeuvre d'un procédé selon l'une des revendications 1 à 9, dans lequel un adaptateur (2) avec un volume intérieur d'adaptateur (3) est destiné à recevoir un volume de gaz, dans lequel l'adaptateur (2) ou le volume intérieur d'adaptateur (3) est relié à au moins une pompe (7) pour l'extraction de gaz ou la production d'une dépression, dans lequel l'adaptateur (2) ou le volume intérieur d'adaptateur (3) est en outre relié à une source de gaz inerte (8) permettant de remplir le volume intérieur d'adaptateur (3) et/ou l'espace intérieur du récipient (5) avec du gaz inerte, et caractérisé en ce que il est prévu au moins un dispositif de mélange permettant de diluer ou de mélanger le gaz ou mélange de gaz extrait à partir de l'espace intérieur du récipient (5) avec un gaz de dilution.
  11. Dispositif selon la revendication 10, dans lequel l'adaptateur (2) est conçu pour être disposé ou fixé directement sur le couvercle de récipient (4) ou l'ensemble de couvercle de récipient du récipient (1).
EP15196804.7A 2015-11-27 2015-11-27 Procede et dispositif de decharge de pression et inertisation de recipients a dechets pour dechets radioactifs Active EP3174066B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP15196804.7A EP3174066B1 (fr) 2015-11-27 2015-11-27 Procede et dispositif de decharge de pression et inertisation de recipients a dechets pour dechets radioactifs
KR1020160156262A KR20170062388A (ko) 2015-11-27 2016-11-23 방사성 폐기물용 폐기물 용기의 압력 방출 및 불활성화를 위한 방법 및 장치
JP2016228817A JP2017096955A (ja) 2015-11-27 2016-11-25 放射性廃棄物用の廃棄物容器の減圧及び不活性化をするための方法及び装置
CN201611060028.XA CN106847355A (zh) 2015-11-27 2016-11-25 用于放射性废料的废料容器的卸压和惰性化的方法和装置
TW105138963A TW201729219A (zh) 2015-11-27 2016-11-25 用於放射性廢料的廢料容器的壓力釋放及惰化的裝置及方法

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Application Number Priority Date Filing Date Title
EP15196804.7A EP3174066B1 (fr) 2015-11-27 2015-11-27 Procede et dispositif de decharge de pression et inertisation de recipients a dechets pour dechets radioactifs

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EP3174066A1 EP3174066A1 (fr) 2017-05-31
EP3174066B1 true EP3174066B1 (fr) 2018-04-18

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JP (1) JP2017096955A (fr)
KR (1) KR20170062388A (fr)
CN (1) CN106847355A (fr)
TW (1) TW201729219A (fr)

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TWI660368B (zh) * 2018-10-22 2019-05-21 行政院原子能委員會核能研究所 盛裝具輻射酸性廢液重砂屏蔽桶之洩壓與取樣裝置及其方法
CN109887620A (zh) * 2019-03-20 2019-06-14 江苏核电有限公司 一种一回路氢气吹扫装置及其吹扫方法

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JP2635419B2 (ja) * 1989-08-31 1997-07-30 株式会社神戸製鋼所 放射性固体廃棄物の乾燥装置
WO2015164705A1 (fr) * 2014-04-24 2015-10-29 Holtec International Système de stockage pour combustible nucléaire

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JP2017096955A (ja) 2017-06-01
KR20170062388A (ko) 2017-06-07
EP3174066A1 (fr) 2017-05-31
TW201729219A (zh) 2017-08-16

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