CN106847355A - For the method and apparatus of release and the deactivation of the waste material container of radioactive waste - Google Patents
For the method and apparatus of release and the deactivation of the waste material container of radioactive waste Download PDFInfo
- Publication number
- CN106847355A CN106847355A CN201611060028.XA CN201611060028A CN106847355A CN 106847355 A CN106847355 A CN 106847355A CN 201611060028 A CN201611060028 A CN 201611060028A CN 106847355 A CN106847355 A CN 106847355A
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- China
- Prior art keywords
- adapter
- container
- gas
- inner volume
- interior
- Prior art date
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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
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Vacuum Packaging (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Packages (AREA)
Abstract
The present invention relates to a kind of method of release and the deactivation of the waste material container for radioactive waste, wherein, the adapter with adapter inner volume (3) is connected on container (1), especially container cover (4).Subsequent adapter (2) is filled with inert gas and formed simultaneously overvoltage and then set up the connection between interior of the container (5) and adapter inner volume (3), so as to form blend pressure corresponding to the pressure difference between the pressure of interior of the container (5) and the overvoltage of adapter inner volume (3).Then blend pressure release in interior of the container (5) and then produce in interior of the container (5) negative pressure and will be replaced by inert gas the gas of removal from interior of the container (5).
Description
Technical field
The present invention relates to a kind of for radioactive waste, the Spent Radioactive in particular for low-activity and medium-activity
The method of release and the deactivation of the waste material container of material.In addition the present invention relates to a kind of waste material container for radioactive waste
Release and the adapter apparatus of deactivation.Waste material container for radioactive waste is generally manufactured by metal material.The waste material
Container enclosure and at least one container cover that container has container bottom, connects thereon.Such waste material container will meet really
Fixed safety requirements and in addition to ensuring that outside enough shielding also must fully compressive resistance ground constitute.Then term waste material is replaced
Container also uses term container briefly.
Background technology
In practice, it is known that various radioactive wastes is packaged in waste material container.Waste material container be configured to transport and/
Or hold-up vessel.The present invention is based on the recognition that, i.e. characteristic based on radioactive waste or by different radioactive wastes
The combination of water if necessary can cause following process, the process to determine the change of the atmosphere in interior of the container.
Overvoltage can be formed for example in interior of the container by RADIATION DECOMPOSITION.The pressure initiation is herein especially by hydrogen
Formed and produced.Can also produce negative pressure in interior of the container in principle, such as by the consumption of oxygen or based in regulation and
The temperature difference after locking between the waste material container and waste material container colder during storage of heat.Particularly in waste material container
The combustible gas --- especially hydrogen --- for producing constitutes problem.The combustible gas can with oxygen mix
When form detonable air.Such detonable mixture is in addition problematic in the seal tightness test of container.When
From the following fact, i.e. when the sealing device of container is not entirely in effective status, then, close between sealing device
Envelope gap can be filled detonable air.So far unknown reliable measure, will can be loaded with the detonable air
Waste material container simple and effectively release and deactivation in the case where all of safety requirements is considered.Effective release and
Deactivation is desirable for shipping container and/or hold-up vessel.Improvement demand is there is also herein.
The content of the invention
Correspondingly technical problem of the invention is to provide a kind of method for starting the type, using methods described, is given up
The simple of material container, the effective and reliable deactivation of function and release are possible.In addition technical problem of the invention is,
Provide a kind of for release and the corresponding device of deactivation.
In order to solve the technical problem, present invention teach that it is a kind of for radioactive waste, in particular for low-activity and
The method of release and the deactivation of the waste material container of medium-activity waste material, wherein by the adapter with adapter inner volume
Connection to the container, especially in container cover, wherein then by adapter or adapter inner volume filling inert gas simultaneously
Overvoltage is formed, wherein the connection between interior of the container and adapter inner volume is then set up, so as to correspond in container
In pressure and adapter inner volume in inner space overvoltage between pressure difference formed adapter inner volume in and container
Blend pressure in inner space, wherein, then the blend pressure in interior of the container and adapter inner volume drops
It is low --- especially it is reduced to environmental pressure, and wherein then produces in interior of the container negative pressure and from inside container
The gas or admixture of gas of space removal are replaced by inert gas.Nitrogen is preferably used herein as inert gas.Principle
Above it is also possible that with rare gas as inert gas.
Core point of the invention is according to adapter of the invention with adapter inner volume.The adapter ---
Suitably on the upside of container --- it is connected in container cover and is preferably coupled directly in container cover.Herein in of the invention
In scope, the adapter is fixed in container cover with least one retaining element.In addition in the scope of the present invention
, in waste material container or interior of the container are according to release of the invention and deactivation, all air-flows listed above
Guided by adapter inner volume.Adapter ensure, according to the method for the present invention all flows or process it is determined that bar
Independently occur with environmental condition under part.
The present invention is based on the recognition that, by according to adapter of the invention together with its adapter inner volume, container
Inner space the very simple and reliable release of function and deactivation are possible.Detonable admixture of gas ---
Especially there is the admixture of gas of hydrogen and oxygen --- reliably and non-dangerously can release or be scavenged into environment.These
Measure can be realized in the scope according to the method for the present invention with surprisingly small consuming.
In the scope of the present invention, after adapter is connected in container cover first --- especially in adaptation
Device internal capacity is filled before forming overvoltage simultaneously with inert gas --- air or aerial oxygen held from adapter inner
At least removed as much as possible in long-pending adapter apparatus and the conduit for connecting thereon and/or component or discharged.Here, adapter
Device especially refers to herein and then to include adapter and at least one conduit for connecting thereon, preferably multiple at it
The conduit of upper connection and/or the device of component.After at least largely Shangdi removes air or aerial oxygen, it is worth recommending
Ground, produces negative pressure or vacuum in adapter apparatus or adapter inner volume and the conduit for connecting thereon and/or component.It is suitable
Preferably then implement adapter apparatus or adapter inner volume and the conduit that connects thereon and/or component with inert gas
Filling.The generation of negative pressure/vacuum and the subsequent filling with inert gas are suitably implemented with following standard herein, i.e. suitable
Oxygen content in orchestration device is less than 1 volume % and preferably significantly less than 1 volume %.
A kind of preferred form of implementation according to the method for the present invention is characterised by, --- especially by indifferent gas
Before body is to the above-mentioned discharge of air or aerial oxygen --- implement the seal tightness test of adapter apparatus.It is preferred that in this adapter dress
The subregion put --- suitably the subregions for by blocking element separate of adapter apparatus --- be evacuated and
Then the pressure in these subregions is measured to rise and especially with respect to the time period measurement for determining.Herein in this hair
In bright scope, the subregion is vacuumized or is sequentially generated negative pressure in the subregion successively.When measuring
Pressure rise when below the limiting value in determining, the entirety in subregion or each several part region is properly termed as sealing.On
State seal tightness test suitably also on adapter (as the part of adapter apparatus) and its to container interface
Upper implementation.
And then the seal tightness test that is preferable to carry out and/or in air or aerial oxygen from being preferable to carry out in adapter apparatus
Discharge after, the adapter inner volume according to the present invention with inert gas fill simultaneously formed overvoltage.In this adapter
Internal capacity is filled under overvoltage with inert gas and carried out with following condition according to recommendation, i.e. in adapter inner volume
Overvoltage is 1.5 to 10 bars, preferably 2 to 7 bars.
In the scope of the present invention, adapter is directly anchored in the container cover of container.In addition in the present invention
Scope in, connecting through between adapter inner volume and interior of the container at least one sets in container cover
The tegillum put is set up.It is preferred that there is tegillum in container cover, the tegillum is by adapter or by being integrated in adapter
Lifting device can be opened.Suitably at least one tegillum utilizes the lifting device of adapter from the container cover of the container
Lift.Thus at least one opening is connected through or by least one between adapter inner volume and interior of the container
Open channel, particularly preferably manufactured preferably by least two open channels and by two open channels.By by described in
At least one tegillum lifts from container cover, it is ensured that, when negative pressure dominates (herrschen) in a reservoir, tegillum can also be beaten
Open.
In the scope of the present invention, filled with inert gas in adapter or adapter inner volume and formed simultaneously
After overvoltage, the connection set up between adapter inner volume and interior of the container.In addition in the scope of the present invention
It is that the blend pressure formed after the connection of interior of the container and adapter inner volume is less than and is filled with inert gas
Adapter inner volume in before exist overvoltage.Suitably, blend pressure is less than 10 bars, is preferably smaller than 7 bars and non-
Often it is preferably smaller than 5 bars.Blend pressure for being formed is more than the overvoltage of presence before in adapter inner volume and/or more than upper
The situation of limiting value, can introduce according to a kind of preferred form of implementation of the invention and more precisely be borrowed according to recommendation
Bypass equipment is helped to introduce additional pressure reduction.It is used for the higher extreme value of the determination of pressure or blend pressure for this determination.
Then the blend pressure in interior of the container and adapter inner volume is dropped according to the present invention
Low --- being especially reduced to environmental pressure --- and negative pressure is then produced in interior of the container, wherein, in container
Gas present in portion space or admixture of gas are removed.It is recommended that should being extracted out from interior of the container or removal
Gas/gas mixture is first with diluent gas --- preferably using air as diluent gas --- is diluted and to be diluted
Form derive, be especially released in environment or air.Here, in the scope of the present invention, gas or gas are mixed
Compound is extracted out by adapter inner volume from interior of the container.The dilution of the gas or admixture of gas is with following bar
Part is carried out, i.e. combustible or detonable gas/gas mixture is substantially less than explosion limit after the dilution.Using dilute
It is interpreted as this consideration, i.e. the system that may be connected to downstream is not loaded with detonable atmosphere.
According to the present invention, the gas extracted out from interior of the container or admixture of gas are replaced by inert gas.Should
Carried out with following condition according to recommendation by the replacement of inert gas, i.e. the oxygen content of the reservation in interior of the container
Less than 1 volume %, preferably smaller than 0.8 volume % and highly preferably less than 0.5 volume %.
Preferably by inert gas, environmental pressure is arrived in the interior of the container regulation of --- preferred nitrogen --- filling.That is,
Replaced or after being filled with inert gas by inert gas, environmental pressure is dominated in interior of the container.Then, fit
Orchestration is suitably separated from container or container cover again.
In order to solve the technical problem, the present invention instructs a kind of for radioactive waste, in particular for low emission in addition
The adapter apparatus of release and the deactivation of the waste material container of property and medium-activity waste material, wherein, adapter be provided with for
Receiving the adapter inner volume of gas volume, wherein adapter or adapter inner volume and at least one is used for gas bleeding
Or for producing the pump or vavuum pump of negative pressure to connect, and wherein, adapter or adapter inner volume are in addition with least one
Inert gas source for filling adapter inner volume and/or interior of the container with inert gas is connected.
The adapter inner volume of adapter is the volume of interior of the container according to preferred form of implementation of the invention
4 to 20%, preferably 5 to 15% and very preferably its 6 to 10%.Herein according to recommendation, the body of interior of the container
Product is more than or noticeably greater than adapter inner volume.It is recommended that adapter or adapter inner volume are true by least one
EC is connected on pump and/or is connected on inert gas source by least one inert gas conduit.According to of the invention
A kind of form of implementation of recommendation, adapter apparatus have pump, inert gas source and preferably at least one true in addition to adapter
EC and/or at least one inert gas conduit.
A kind of highly preferred form of implementation according to adapter apparatus of the invention is characterised by that the adapter sets
Count for directly arrange or be fixed on container container cover arrangement side or.Suitably, adapter is directly anchored to hold
In the container cover of device.In the scope of the present invention, at least one tegillum in the container cover is by adapter
Or the covering of adapter inner volume.Suitably, at least one tegillum is lifted by integrated lifting device in adapter
And therefore open.Said tegillum is moved or is manipulated according to recommendation in the adapter inner volume of adapter.
Form of implementation according to a kind of special recommendation of adapter apparatus of the invention is characterised by, sets at least one
Mixing arrangement --- preferably at least one mixing arrangement of the form of mixing nozzle --- from interior of the container for that will take out
The gas or admixture of gas for going out mix with the dilution of diluent gas (preferably air) or with diluent gas (preferably air).Suitably
Ground is in mixing arrangement --- preferably in mixing nozzle --- by the diluent gas of large volume and the gas of the extraction of small size
Or blend gas mix.Further also to explain that one kind of mixing nozzle used according to the present invention is preferred below to implement
Form.By mixing arrangement or mixing nozzle it is ensured that perhaps combustible or detonable gas/gas mixture can be with
Using following standard dilution, i.e. the admixture of gas no longer explosibility and therefore discharged from mixing arrangement or mixing nozzle
Environment or air can be discharged into free from all inhibitions.
Subject of the present invention is also a kind of adapter --- in particular for implementing according to the method for the present invention and/or being used for
According to adapter apparatus of the invention, wherein, the adapter has adapter top and is connected in adapter top
And circular adapter walls, wherein, adapter inner volume and wherein is surrounded or defined to adapter top and adapter walls
Adapter preferably has at least one retaining element for being used to be fixed on adapter in the container cover of waste material container.According to this hair
Bright particularly preferred form of implementation, the adapter is opened wide or substantially openly structure on its downside towards container cover
Into so as in the fixed state in container cover of adapter, adapter inner volume is directly connected to the container of container cover
On lid or upside.It is recommended that adapter inner volume is 4 to 20%, preferably the 5 to 15% of the volume of interior of the container.
The present invention is based on the recognition that, using according to the method for the present invention and according to adapter apparatus of the invention, give up
Material container compared with low cost while the reliable release of function and deactivation are possible.According to release of the invention and lazy
Propertyization can be carried out with relatively small number of method and step and meet all safety requirements even so.Can be according to the present invention
Method scope in ensure, the problematic gas or admixture of gas in interior of the container can with function it is reliable and
Effectively replaced by inert gas.The reliable opening and function that waste material container can be carried out herein are reliable and effective
Pressure is reduced and exchanged with the gas exchanges of inert gas or atmosphere.In addition combustible and/or detonable admixture of gas
Can so process in a straightforward manner so that they can be discharged on the ventilation equipment of nuclear technology without problems.It is this core
The ventilation equipment of technology need not meet the additional requirement on detonable admixture of gas or the compression shock for thereby resulting in.
As a result, waste material container according to release of the invention and deactivation can with relatively small expense is simple and function reliably
Realize.
Brief description of the drawings
Then the present invention is explained further by the accompanying drawing for only showing one embodiment.Show in the diagram：
Fig. 1 shows to include the connection figure of waste material container and the adapter apparatus for connecting thereon, is pressed for image explanation
According to the method for the present invention,
Fig. 2 show a part for the amplification in the region above waste material container profile and
Fig. 3 shows the object according to Fig. 2 in another POF.
Specific embodiment
The figure is visually illustrated for radioactive waste, in particular for the useless of low-activity and medium-activity waste material
The release of material container 1 and deactivation according to the method for the present invention.According to the present invention, the adaptation with adapter inner volume 3
Device 2 is connected on container 1 and more precisely the adapter 2 is preferred and is fixed on the appearance of container 1 in this embodiment
On device lid 4.Adapter 2 is the part of the adapter apparatus 6 then also to be explained in detail, and the adapter apparatus have in addition
There are pump or vavuum pump 7 and inert gas source 8, vacuum pipeline 10 and inert gas conduit 11.Additionally, the group of adapter apparatus 6
It is also the mixing nozzle 9 also explained further below into part.
Adapter 2 has adapter top 12 and the circular adapter walls 13 for connecting thereon.It is preferred that and at this
In embodiment, the downside 14 towards container 1 of adapter 2 is openly constituted, so that adapter inner volume 3 is in adapter 2
It is directly connected in the state of assembling on the upside of container cover 4.Adapter 2 has for adapter 2 to be fixed on into container in addition
Retaining element 15 on lid 4.Additionally, adapter 2 is preferred and is equipped with lifting device 16 in this embodiment, the lifting dress
Put on the tegillum 17 in the container cover 4 for being connected to container 1.Tegillum 17 can be lifted and with this side by lifting device 16
Formula recommends ground and the open channel 18 by being set in container cover 4 sets up the He of adapter inner volume 3 in this embodiment
Connection between interior of the container 5.
Suitably, there are open channel 18 described in two of which in container cover 4.But only show one in the various figures and open
Mouth passage 18.Tegillum 17 can also be again put down using lifting device 16.
Then explain according to a kind of particularly preferred form of implementation of the method for the present invention：In connection adapter 2 or adaptation
After device device 6, the seal tightness test of system is implemented in first method step.Preferably passing through adapter apparatus 6 herein
The subregion that blocking element or valve are separate is vacuumized successively and the time period then on determination is measured in these part areas
Pressure in domain rises.When the pressure in these subregions rises under pre-determined limiting value, the portion
Subregion or adapter apparatus 6 can classify as sealing.Preferably, then air from adapter apparatus 6, especially adapter
Removed in portion's volume 3 and the conduit 10,11 for connecting thereon, its mode is to be produced in the component by pump or vavuum pump 7
Negative pressure or vacuum.This is vacuumized is implemented using following condition, i.e. the oxygen content in adapter apparatus 6 is suitably less than 1 body
Product % (1% percent by volume).
Then adapter 2 or adapter inner volume 3 are filled with inert gas and form overvoltage simultaneously.It is preferred that and in the reality
Apply in example, be that from inert gas source 8 be introduced into adapter inner volume 3 nitrogen by inert gas conduit 11 by this.Suitable
The overvoltage of the inert gas in orchestration internal capacity 3 may be finally 7 bars.
Then set up the connection between adapter inner volume 3 and interior of the container 5.The tegillum 17 of locking so far is this
Lifted (with reference to the comparative observation of Fig. 2 and 3) by integrated lifting device 16 in adapter 2.Fig. 2 shows tegillum 17 so far
The state and Fig. 3 of also locking show the tegillum 17 being had already turned on for method and step described herein.
By the connection between adapter inner volume 3 and interior of the container 5, corresponding in adapter inner volume 3
Pressure and interior of the container 5 in pressure between pressure difference there is blend pressure.Methods described is according to recommendation using as follows
Condition is implemented, i.e. the blend pressure less than 7 bars occur.
In next method and step, the blend pressure release in interior of the container 5 and adapter inner volume 3.
For this gas is extracted out by vacuum pipeline 10 and is preferably conveyed to mixing nozzle 9 by filter 19.By mixing nozzle 9,
From interior of the container 5 extract out gas or admixture of gas with diluent gas --- recommend ground and in this embodiment with
As the air of diluent gas --- dilution.Dilution suitably so determines herein, i.e. extracted out from interior of the container 5
Combustible gas or combustible admixture of gas are significantly below lower explosion limit.Therefore, pass through mixing nozzle 9
The air of relatively large volume flow is imported in mixing nozzle 9 and will phase in contrast by second entrance 22 by one entrance 21
The gas extracted out from interior of the container 5 or admixture of gas to small volume flow are imported.Cause with Dilution air
Gas or admixture of gas then significantly below the lower explosion limit.The gas/gas mixture that this is diluted can milli
For example it is discharged into the discharge air system 23 in power station without misgivings ground.
Then taken out by the generation negative pressure of pump 7 in interior of the container 5 and adapter inner volume 3 and when vacuumizing
The gas or admixture of gas for going out are processed as described above and are diluted by mixing nozzle 9.The gas or gas of removal
Body mixture passes through inert gas --- passing through preferably and in this embodiment nitrogen --- and replaces, the nitrogen is again from inertia
Supplied in gas source 8.Gas or admixture of gas are implemented by the displacement of inert gas with following condition, i.e. in the container 1
Oxygen content be less than 1 volume %.Suitably, environmental pressure is arrived in the regulation of interior of the container 5 filled with inert gas.
Last adapter 2 is separated from container 1 again.All follow-up work on container can and then not exploded guarantor
Guard strip part ground no problem on non-pressurized container is implemented.Following advantage is characterised by according to the method for the present invention, i.e. not only locate
In under overvoltage and the waste material container under negative pressure 1 can reliably release and deactivation.Using according to the method for the present invention
Can will be having been filled with and adjust the waste material container 1 of (konditionieren) and prepare in a straightforward manner, for fortune
It is defeated and to ensure herein in final warehouse, container 1 easily meet on pressure and on gas content it is all will
Ask.
Claims (15)
1. be used for radioactive waste, in particular for low-activity and medium-activity waste material waste material container (1) release and
The method of deactivation, wherein, the adapter (2) with adapter inner volume (3) is connected on container (1), is especially held
In the container cover (4) of device (1), wherein, adapter (2) or adapter inner volume (3) are filled with inert gas and is formed simultaneously
Overvoltage, wherein, the connection between interior of the container (5) and adapter inner volume (3) is then set up, so as to correspond to hold
The pressure difference between overvoltage in pressure and adapter inner volume (3) in device inner space (5) forms adapter inner volume
(3) blend pressure in interior of the container (5) being neutralized, wherein, will then hold in interior of the container (5) and adapter inner
Blend pressure release in product (3) --- especially unload and be pressed onto environmental pressure and wherein then in interior of the container (5)
Produce negative pressure and the gas or admixture of gas of the removal from interior of the container (5) are replaced by least one inert gas
Change.
2. in accordance with the method for claim 1, wherein, especially by adapter inner volume (3) with inert gas fill
Before forming overvoltage simultaneously, implement the leak check of adapter apparatus (6), wherein, preferably by the part of adapter apparatus (6)
Region --- subregions for conveniently by blocking element separate of adapter apparatus (6) --- vacuumizes and then measures
Pressure in these subregions rises, especially it is determined that time period on measure.
3. according to one of claim 1 or 2 described method, wherein, especially hold with inert gas filling adapter inner
Before product (3) is while form overvoltage, by air or aerial oxygen from the adapter apparatus (6) with adapter inner volume (3) and
Removal or discharge in the conduit and/or component that are connected on the adapter apparatus, wherein, preferably produced in adapter apparatus (6)
Raw negative pressure and the filling for then implementing with inert gas to adapter apparatus (6).
4. according to the method that one of claims 1 to 3 is described, wherein, adapter inner volume (3) is filled out with inert gas
Fill formation overvoltage simultaneously is carried out with following condition, i.e. the overvoltage in adapter inner volume (3) is 1.5 to 10 bars, preferably 2
To 7 bars.
5. according to the method that one of Claims 1-4 is described, wherein, in interior of the container (5) and adapter inner volume
(3) blend pressure formed after connecting is less than the presence before in the adapter inner volume (3) filled with inert gas
Overvoltage, and wherein, the blend pressure is advantageously below 10 bars, preferably smaller than 7 bars, and highly preferably less than 5 bars.
6. according to the method that one of claim 1 to 5 is described, wherein, the blend pressure for being formed holds more than adapter inner
The overvoltage that existed before in product (3) and/or more than the situation of higher extreme value, introduces and introduces pressure preferably by bypass equipment
Reduce.
7. according to the method that one of claim 1 to 6 is described, wherein, the gas or gas that will be removed from interior of the container (5)
Body mixture is first with diluent gas --- preferably diluted as diluent gas using air and the then derivation in the form of diluting,
Especially it is discharged into environment or air.
8. according to the method that one of claim 1 to 7 is described, wherein, implemented by inert gas in container with following condition
The replacement of gas or admixture of gas in portion space (5), i.e. the oxygen content retained in interior of the container (5) is less than 1
Volume %, preferably smaller than 0.8 volume % and highly preferably less than 0.5 volume %.
9. according to the method that one of claim 1 to 8 is described, wherein, the interior of the container (5) that will be filled with inert gas is adjusted
Save environmental pressure.
10. the release and deactivation of radioactive waste, the preferred waste material container of low-activity and medium-activity waste material are used for
Adapter apparatus, in particular for implementing according to the described method of one of claim 1 to 9, wherein, adapter (2) is provided with
Adapter inner volume (3) for receiving gas volume, wherein, adapter (2) or adapter inner volume (3) and at least
It is individual for gas bleeding or for producing the pump (7) of negative pressure to connect, and wherein, adapter (2) or adapter inner volume (3)
In addition it is used to be filled with inert gas the indifferent gas of adapter inner volume (3) and/or interior of the container (5) with least one
Body source (8) connects.
11. according to the adapter apparatus described in claim 10, wherein, adapter (2) is designed for directly arranging or fixed
Container (1) container cover (4) or container cover arrangement side or on.
12. according to the adapter apparatus described in claim 10 or 11, wherein, at least one mixing arrangement is set --- preferably extremely
A few mixing arrangement for the form of mixing nozzle (9) --- for the gas or gas that will be extracted out from interior of the container (5)
Body mixture Dilution air or mixes with diluent gas, preferably air with diluent gas, preferably.
13. adapters, in particular for implementing according to the described method of one of claim 1 to 9 and/or for being wanted according to right
One of 10 to 12 described adapter apparatus are sought, wherein, adapter (2) is with adapter top (12) and is connected to adapter
Circular adapter walls (13) on top (12), wherein, adapter top (12) and adapter walls (13) are surrounded or defined suitable
Orchestration internal capacity (3), and wherein, adapter (2) is used to for adapter (2) to be fixed on container cover with preferably at least one
(4) retaining element (15) on.
14. according to the adapter described in claim 13, wherein, adapter (2) is on its downside (14) towards container cover (4)
Open wide or substantially openly constitute, so as in the fixed state in container cover (4) of adapter (2), adapter inner holds
Product (3) is directly connected in container cover (4).
15. according to the adapter described in claim 13 or 14, wherein, adapter inner volume (3) is empty corresponding to container inside
Between (5) volume 4% to 20%, preferably 5% to 15%.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15196804.7A EP3174066B1 (en) | 2015-11-27 | 2015-11-27 | Method and device for relieving pressure of and inertisation of refuse containers for radioactive waste |
| EP15196804.7 | 2015-11-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106847355A true CN106847355A (en) | 2017-06-13 |
Family
ID=54780105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611060028.XA Pending CN106847355A (en) | 2015-11-27 | 2016-11-25 | For the method and apparatus of release and the deactivation of the waste material container of radioactive waste |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP3174066B1 (en) |
| JP (1) | JP2017096955A (en) |
| KR (1) | KR20170062388A (en) |
| CN (1) | CN106847355A (en) |
| TW (1) | TW201729219A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887620A (en) * | 2019-03-20 | 2019-06-14 | 江苏核电有限公司 | A kind of primary Ioops hydrogen purge device and its blowing method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI660368B (en) * | 2018-10-22 | 2019-05-21 | 行政院原子能委員會核能研究所 | Apparatus of pressure relief and sampling for black-sand shield bucket carrying radioactive acidic waste liquid and method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2635419B2 (en) * | 1989-08-31 | 1997-07-30 | 株式会社神戸製鋼所 | Drying equipment for radioactive solid waste |
| ES2764277T3 (en) * | 2014-04-24 | 2020-06-02 | Holtec International | Storage system for nuclear fuel |
-
2015
- 2015-11-27 EP EP15196804.7A patent/EP3174066B1/en active Active
-
2016
- 2016-11-23 KR KR1020160156262A patent/KR20170062388A/en unknown
- 2016-11-25 CN CN201611060028.XA patent/CN106847355A/en active Pending
- 2016-11-25 JP JP2016228817A patent/JP2017096955A/en active Pending
- 2016-11-25 TW TW105138963A patent/TW201729219A/en unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887620A (en) * | 2019-03-20 | 2019-06-14 | 江苏核电有限公司 | A kind of primary Ioops hydrogen purge device and its blowing method |
Also Published As
| Publication number | Publication date |
|---|---|
| KR20170062388A (en) | 2017-06-07 |
| JP2017096955A (en) | 2017-06-01 |
| TW201729219A (en) | 2017-08-16 |
| EP3174066A1 (en) | 2017-05-31 |
| EP3174066B1 (en) | 2018-04-18 |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170613 |
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| WD01 | Invention patent application deemed withdrawn after publication |