CN106373628B - The processing system and method for radioactivity resin - Google Patents
The processing system and method for radioactivity resin Download PDFInfo
- Publication number
- CN106373628B CN106373628B CN201610890208.4A CN201610890208A CN106373628B CN 106373628 B CN106373628 B CN 106373628B CN 201610890208 A CN201610890208 A CN 201610890208A CN 106373628 B CN106373628 B CN 106373628B
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- resin
- radioactivity
- low
- spent
- putting
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- 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
-
- 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
- G21F9/30—Processing
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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)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a kind of processing system of radioactivity resin, including：Two resin holding tanks drain into low resin of putting therein for temporary punching respectively and put resin in；Conveying device puts resin mixing for will keep in the low resin of putting finished in；Be additionally operable to by it is low put resin and in put resin transfer to spent resin packing container；Agitating device, the low resin of putting for stirring in two resin holding tanks put resin in；Spent resin packing container puts resin for the low resin of putting after accommodating stirring in；Dehydration device is filled, for the resin compound after stirring to be filled in spent resin packing container, and the resin compound in spent resin packing container is dehydrated.Compared with prior art, the processing system of radioactivity resin of the present invention is realized to resin reliable treatments, both can effectively pack radioactivity resin, meets waste packaging requirement, and can reduce waste backpack body product, reduces Waste disposal cost.The invention also discloses a kind of processing methods of radioactivity resin.
Description
Technical field
The invention belongs to the processing technology field of low medium level waste, it is more particularly related to a kind of radiation
The processing system and method for property resin.
Background technology
Nuclear power plant needs to regularly replace the resin of ion exchange bed, because it is with radioactivity, in belonging to, low-activity water
Flat solid waste.This kind of waste needs are effectively handled and reorganized and outfit, and requirement is received to meet waste processing and disposal.
At present, the processing method of the low zoom level resin of centering has following several：One kind be by spent resin be sent into incinerator into
Row pyrolytic incineration.But the secondary solid waste radioactive level of pyrolytic incineration generation is higher and generates more sour gas, it is right
Subsequent processing and the requirement of equipment corrosion resistance are high；Second is handled by the way of cement solidification, and useless tree is received using steel drum
Fat simultaneously pours into cement grout, and it is temporary to carry out capping after waste solidification to be mixed.The disadvantages of this method is that waste backpack body product is big, unfavorable
It is minimized in radwaste；The easy water swelling of resin cement firming body, will to outer containter seal and disposal environment
Ask high.
In view of this, it is necessory to provide one kind can safely, effectively packaging resin, waste bag is made to meet waste packaging will
It asks, and waste backpack body product can be reduced to the greatest extent, reduce the processing system and method for the radioactivity resin of Waste disposal cost.
The content of the invention
It is an object of the invention to：Overcome deficiency present in existing radioactivity resin treatment method, providing one kind can
Safely, effectively packaging resin makes waste bag meet waste packaging requirement, and can reduce waste backpack body product to the greatest extent, reduces waste
The processing system and method for the radioactivity resin of cost of disposal.
In order to realize foregoing invention purpose, the present invention provides a kind of processing system of radioactivity resin, including：
Two resin holding tanks drain into low resin of putting therein for temporary punching respectively and put resin in；
Conveying device puts resin mixing for will keep in the low resin of putting finished in；It is additionally operable to low resin of putting in
Resin transfer is put to spent resin packing container；
Agitating device, the low resin of putting for stirring in two resin holding tanks put resin in；
Spent resin packing container puts resin for the low resin of putting after accommodating stirring in；
Dehydration device is filled, for the resin compound after stirring to be filled in spent resin packing container, and to useless tree
Resin compound dehydration in fat packing container.
A kind of improvement of processing system as radioactivity resin of the present invention, the processing system further include glass sight glass,
Row's situation is rushed available for confirmation resin.
A kind of improvement of processing system as radioactivity resin of the present invention after the punching is drained through journey, can be used and remove
Brine carries out pipe flushing to conveying device, subsequently to use.
A kind of improvement of processing system as radioactivity resin of the present invention, the processing system further include sweet-water tank,
For housing demineralized water.
A kind of improvement of processing system as radioactivity resin of the present invention, the processing system further include liquid waste processing dress
It puts, the extra demineralized water generated during loose to radioactivity resin and in mixing process is handled.
A kind of improvement of processing system as radioactivity resin of the present invention is equipped with resin mistake in the liquid waste treating apparatus
Filter, for filtering the resin in demineralized water.
A kind of improvement of processing system as radioactivity resin of the present invention, the resin holding tank are additionally provided with injector,
It can will be placed in low resin of putting therein by demineralized water and/or compressed air by injector and resin mixing is put in.
Compared with prior art, the processing system of radioactivity resin of the present invention efficiently solves nuclear power station in the prior art and puts
In penetrating property resin treatment, the safely and effectively technical problems such as packaging, big, the processing cost height of waste backpack body product can not be carried out to resin,
It realizes to resin reliable treatments, both can effectively pack radioactivity resin, meet waste packaging requirement, and waste can be reduced
Backpack body accumulates, and reduces Waste disposal cost.
In order to realize foregoing invention purpose, the present invention also provides a kind of processing method of radioactivity resin, including with
Lower step：
By radioactivity resin be divided into it is low put resin and in put resin and be respectively contained in resin holding tank；
After temporary enough time, by it is low put resin and in put resin and be mixed and stirred for；
By it is mixed it is low put resin and in put resin be loaded into spent resin packing container be dehydrated after, complete radioactivity tree
The processing of fat.
A kind of improvement of processing method as radioactivity resin of the present invention, the radioactivity resin are loose by demineralized water
Demineralized water can be sent by processing, loose processing from the bottom of ion-exchange container, make closely knit resin fully loose in fluid
Shape.
A kind of improvement of processing method as radioactivity resin of the present invention, the processing method is further included is rushed using waterpower
Row by low in ion-exchange container put resin and in put resin and the row of punching and be placed in resin holding tank respectively.
A kind of improvement of processing method as radioactivity resin of the present invention, the waterpower punching row are demineralized water punching row.
A kind of improvement of processing method as radioactivity resin of the present invention, the radioactivity resin are placed in resin and keep in
Radioactive decay is carried out in case, in order to reach enough decay times to reduce radiation activity, described low to put resin temporary in resin
It deposits the temporary storage time in case to be at least 30 days, temporary storage time of the resin in resin holding tank is put in described and is at least 60 days.
A kind of improvement of processing method as radioactivity resin of the present invention, it is described that resin progress is put in low resin of putting
When being mixed and stirred for, it can be pumped by the resin transfer being connected between two resin holding tanks in resin holding tank during mixing
Resin mutually conveyed, make it is therein it is low put resin and in put resin mixing.The stirring can both be mixed by resin
Pump, extracts demineralized water from one of resin holding tank, reinjects in any one resin holding tank, realizes uniform stirring；
It can also be by the injecting compressed air into resin holding tank, to realize uniform stirring.
A kind of improvement of processing method as radioactivity resin of the present invention, the spent resin packing container are high globality
The complete of waste drum can be effectively ensured up to 300 years in container (HIC), the Durability of HIC in long-term disposal process
Property, reduce the risk that radioactivity is spread.
A kind of improvement of processing method as radioactivity resin of the present invention, the dehydration is will be in spent resin packing container
Resin be dehydrated to its water content be less than resin volume 1%, to meet free fluid of the spent resin packing container to content
Content requirement.
Compared with prior art, the processing method of radioactivity resin of the present invention low puts resin by the way that radioactivity resin is divided into
Resin is put in, and is respectively contained in resin holding tank and keeps in enough time to reduce its radioactive activity, Ke Yiyou
The reduction waste drum surface dose rate of effect, then low put after resin puts resin mixing in is placed in spent resin packaging
In container, radioactivity resin both can be effectively packed, meets waste packaging requirement, and waste backpack body product can be reduced, is reduced useless
Object cost of disposal.
Description of the drawings
With reference to the accompanying drawings and detailed description, the processing system to radioactivity resin of the present invention and method and its technology
Effect is described in detail.
Fig. 1 is the structure diagram of radioactivity resin processing system of the present invention.
Fig. 2 is the flow chart of radioactivity resin treatment method of the present invention.
Specific embodiment
In order to which the goal of the invention, technical solution and the advantageous effects that make the present invention become apparent from, with reference to embodiments,
The present invention will be described in further detail.It should be appreciated that the embodiment described in this specification is just for the sake of explanation
The present invention, is not intended to limit the present invention, formula, ratio of embodiment etc. can adaptation to local conditions make a choice and reality had no to result
Matter influences.
Referring to Fig. 1, the processing system of radioactivity resin of the present invention includes：
Two resin holding tanks 1 drain into low resin of putting therein for temporary punching respectively and put resin in；
Conveying device 2 puts resin mixing for will keep in the low resin of putting finished in；It is additionally operable to low resin of putting in
Resin transfer is put to spent resin packing container 4；
Agitating device 3, the low resin of putting for stirring in two resin holding tanks 1 put resin in；
Spent resin packing container 4 puts resin for the low resin of putting after accommodating stirring in；
Dehydration device 5 is filled, for the resin compound after stirring to be filled in spent resin packing container 4, and to useless
Resin compound dehydration in package resin container 4.
Referring to Fig. 2, the processing method of radioactivity resin of the present invention includes：
Step 001, according to radioactive level by radioactivity resin be divided into it is low put resin and in put resin and be respectively contained in
It is kept in resin holding tank；
Step 002, after keeping in enough time, by it is low put resin and in put resin and be mixed and stirred for；
Step 003, by it is mixed it is low put resin and in put resin and be loaded into spent resin packing container；
Step 004, spent resin packing container is subjected to dehydrating operations.
Below in conjunction with shown in Fig. 1 and Fig. 2, the processing system of radioactivity resin of the present invention and a reality of method is described in detail
Apply example.
It please refers to Fig.1 and Fig. 2, in the processing method of radioactivity resin of the present invention, for step 001, ion-exchange container 8
In resin to be replaced by sweet-water tank 6 provide demineralized water carry out it is loose, demineralized water by 8 bottom of ion-exchange container be sent into, make
Closely knit resin is fully loose, in fluidised form shape.Excessive demineralized water is sent after the filtering of filter 71 to liquid waste treating apparatus 7
Reason.After completing loose operation, loose feed water valve is closed, resin is opened and rushes valve, provide demineralized water by sweet-water tank 6 hands over from ion
It changes 8 top of container to be sent into, opens the resin transfer valve of resin transfer pipeline, resin enters resin holding tank 1 under waterpower punching row.
It is different according to resin radioactive level, two resin holding tanks 1 are separated for putting resin in keeping in respectively and low putting
Resin.Can resin be observed by glass sight glass 11 and rush row's situation.After the completion of resin punching row is confirmed, continue to ion-exchange container
Clean demineralized water is sent at 8 tops, and ion-exchange container 8 and pipeline are rinsed, and remaining resin is removed, until passing through glass
Sight glass 11 is observed rush in draining without residual resin after, stop flushing operation.Excessive punching into resin holding tank 1 excludes brine
It can send to liquid waste treating apparatus 7 and handle after the filtering of resin filter 71.
For step 002, it is low put resin and in put resin in resin holding tank 1 keep in carry out radioactive decay, in put
Resin temporary storage time must equal or exceed 60 days, and low resin temporary storage time of putting must equal or exceed 30 days.By requiring
Temporary decay time after, could to resin carry out next step processing.
The conveying device 2 being used in mixed way is electric screw delivery pump, from any one extraction in two resin holding tanks 1
Resin, and sending to another resin holding tank 1, so as to achieve the purpose that mixing it is low, in put resin.Conveying device 2 is equipped with superpressure
Protective device causes 2 operating pressure of conveying device to be more than design load when the operating modes such as occurs blocking in the pipeline of 2 rear end of conveying device,
Safety relief valve 21 is opened, and forming circuit avoids further rise in pressure.After line clogging is confirmed, sweet-water tank 6 can be used
Punching is provided and excludes brine, removes line clogging.
It is Pneumatic double diaphragm pump for the agitating device 3 that stirring uses.By starting agitating device 3 from resin holding tank 1
In any one extract demineralized water, and return to any one resin holding tank 1.The demineralized water of return is sprayed from injector 12, shape
Into agitation fluid, play the role of agitation and hybrid resin, be sufficiently mixed the resin in resin holding tank 1, formed uniform
Resin grout liquid.Furthermore, it is possible to provide medium by sweet-water tank 6 or compressed air cylinder 61 carries out agitation mixing to resin.
For step 003, spent resin packing container 4 is high integrity container (HIC), is transported using exclusive trail car 91 to useless
Near object packing station 9.Spent resin packing container 4 is lifted into waste packing station 9 simultaneously in place using crane.Connection filling dehydration dress
5 and spent resin packing container 4 are put, including connection resin filling pipe, dehydrating tube and other gas, electricity suppl pipeline.After the completion of connection,
The leakproofness of demineralized water test connection can be provided by sweet-water tank 6.Start conveying device 2, the resin in resin holding tank 1
It is transported to filling dehydration device 5 and is loaded into spent resin packing container 4.It is set in filling process or by filling dehydration device 5
Sampling pipe obtain representative resin sample, be packed into sampling bottle 92, send to Chemical Analysis Lab and analyze, analysis result conduct
The characteristic record of the waste bag files.
For step 004, filling dehydration device 5 is dehydrated the resin in spent resin packing container 4.In the standard of execution
After dehydration procedure, the resin aqueous amount loaded by the way that demineralized water water is deviate to confirm in spent resin packing container 4 is less than waste body
After long-pending 1%, radioactivity resin treatment is completed.
The spent resin packing container 4 of operation is completed, releases all connections with filling dehydration device 5.Spent resin is packed
Container 4 carries out closure application, and spent resin packing container 4 is reinstalled exclusive trail car 91 using crane, and is transported to nuclear power plant's waste
Temporary library is kept in.
In the present invention, when low to nuclear power station, middle zoom level radioactivity resin is handled, first by by radioactivity tree
Fat is divided into low resin of putting and puts resin in, and is respectively contained in resin holding tank and keeps in enough time to reduce the work of its radioactivity
Degree can effectively reduce waste drum surface dose rate, then low resin of putting is put resin mixing in, reach resin
To after the requirement of filling waste packaging container, it is placed in spent resin packing container, both can effectively packs radioactivity resin, it is full
Sufficient waste packaging requirement, and waste backpack body product can be reduced, reduce Waste disposal cost.
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out appropriate change and modification.Therefore, the invention is not limited in specific embodiment disclosed and described above, to this
Some modifications and changes of invention should also be as falling into the scope of the claims of the present invention.In addition, although this specification
In used some specific terms, but these terms are merely for convenience of description, do not limit the present invention in any way.
Claims (12)
1. a kind of processing system of radioactivity resin, which is characterized in that the processing system of the radioactivity resin includes：
Two resin holding tanks drain into low resin of putting therein for temporary punching respectively and put resin in；
Conveying device puts resin mixing for will keep in the low resin of putting finished in；Be additionally operable to by it is low put resin and in put tree
Fat is delivered to spent resin packing container；
Agitating device, the low resin of putting for stirring in two resin holding tanks put resin in；
Spent resin packing container puts resin for the low resin of putting after accommodating stirring in；
Dehydration device is filled, for the resin compound after stirring to be filled in spent resin packing container, and to spent resin bag
Resin compound dehydration in packaging container.
2. the processing system of radioactivity resin according to claim 1, which is characterized in that the processing system, which further includes, to be removed
Brine tank, for housing demineralized water, sweet-water tank is connected with conveying device inlet duct；Conveying device is filled equipped with overpressure protection
It puts, causes conveying device operating pressure more than design load, safety relief valve when blocking operating mode occurs in the pipeline of conveying device rear end
It opens, forming circuit avoids further rise in pressure.
3. the processing system of radioactivity resin according to claim 1, which is characterized in that the processing system further includes useless
Liquid processing device and waste packing station, for liquid waste treating apparatus for handling extra demineralized water, waste packing station is useless for accommodating
Package resin container.
4. the processing system of radioactivity resin according to claim 3, which is characterized in that set in the liquid waste treating apparatus
There is resin filter, for filtering the resin in demineralized water.
5. the processing system of radioactivity resin according to claim 2, which is characterized in that the resin holding tank is additionally provided with
Injector is placed in low resin of putting therein for mixing and puts resin in；Sweet-water tank is connected with injector inlet duct.
6. a kind of processing method of radioactivity resin, which is characterized in that comprise the following steps：
By radioactivity resin be divided into it is low put resin and in put resin and be respectively contained in resin holding tank；
After temporary enough time, by it is low put resin and in put resin and be mixed and stirred for；
By it is mixed it is low put resin and in put after resin is loaded into and is dehydrated in spent resin packing container, complete radioactivity resin
Processing.
7. the processing method of radioactivity resin according to claim 6, which is characterized in that the radioactivity resin is by removing
The loose processing of brine.
8. the processing method of radioactivity resin according to claim 6, which is characterized in that the processing method, which further includes, to be made
With waterpower punching row by it is low put resin and in put resin and the row of punching and be placed in resin holding tank respectively.
9. the processing method of radioactivity resin according to claim 8, which is characterized in that the waterpower punching row is demineralized water
Punching row.
10. the processing method of radioactivity resin according to claim 6, which is characterized in that the low resin of putting is in resin
Temporary storage time in holding tank is at least 30 days；Temporary storage time of the resin in resin holding tank is put in described to be at least 60 days.
11. the processing method of radioactivity resin according to claim 6, which is characterized in that the spent resin packing container
For high integrity container.
12. the processing method of radioactivity resin according to claim 6, which is characterized in that the dehydration is by spent resin
Resin in packing container, which is dehydrated to its water content, is less than the 1% of resin volume.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610890208.4A CN106373628B (en) | 2016-10-11 | 2016-10-11 | The processing system and method for radioactivity resin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610890208.4A CN106373628B (en) | 2016-10-11 | 2016-10-11 | The processing system and method for radioactivity resin |
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| Publication Number | Publication Date |
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| CN106373628A CN106373628A (en) | 2017-02-01 |
| CN106373628B true CN106373628B (en) | 2018-05-29 |
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| CN201610890208.4A Active CN106373628B (en) | 2016-10-11 | 2016-10-11 | The processing system and method for radioactivity resin |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109876871B (en) * | 2019-03-28 | 2021-12-17 | 江苏核电有限公司 | Efficient resin unloading method for high-pressure ion exchange purification system |
| CN109849238B (en) * | 2019-03-28 | 2024-05-10 | 江苏核电有限公司 | Radioactive waste resin grinding system with redundant device |
| CN112028369A (en) * | 2020-09-23 | 2020-12-04 | 中广核工程有限公司 | Feeding device and method for supercritical water oxidation treatment of waste resin in nuclear power plant |
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| JP2006292629A (en) * | 2005-04-13 | 2006-10-26 | Toshiba Corp | Resin filling apparatus and method for cask |
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Effective date of registration: 20181225 Address after: 518124 Office Building of Daya Bay Nuclear Power Base Engineering Company, Pengfei Road, Dapeng New District, Shenzhen City, Guangdong Province Co-patentee after: Shenzhen China Nuclear Power Design Co., Ltd. Patentee after: China Nuclear Power Engineering Co., Ltd. Co-patentee after: China General Nuclear Power Corporation Address before: 518124 Office Building of Daya Bay Nuclear Power Base Engineering Company, Pengfei Road, Dapeng New District, Shenzhen City, Guangdong Province Co-patentee before: China General Nuclear Power Corporation Patentee before: China Nuclear Power Engineering Co., Ltd. |
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