CN106373628A - Radioactive resin treatment system and method - Google Patents
Radioactive resin treatment system and method Download PDFInfo
- Publication number
- CN106373628A CN106373628A CN201610890208.4A CN201610890208A CN106373628A CN 106373628 A CN106373628 A CN 106373628A CN 201610890208 A CN201610890208 A CN 201610890208A CN 106373628 A CN106373628 A CN 106373628A
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- Prior art keywords
- resin
- radioactivity
- low
- waste
- processing system
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Classifications
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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 radioactive resin treatment system. The radioactive resin treatment system comprises two temporary resin storage boxes, a conveying device, a stirring device, a waste resin package container and a filling and dewatering device; the two temporary resin storage boxes are used for respectively temporarily storing low-radioactivity resin and medium-radioactivity resin which are flushed into the two temporary resin storage boxes; the conveying device is used for mixing the low-radioactivity resin and the medium-radioactivity resin which are finished storing temporarily, and is also used for conveying the low-radioactivity resin and the medium-radioactivity resin to the waste resin package container; the stirring device is used for stirring the low-radioactivity resin and the medium-radioactivity resin which are temporarily stored in the two temporary resin storage boxes; the waste resin package container is used for accommodating the stirred low-radioactivity resin and medium-radioactivity resin; the filling and dewatering device is used for filling the waste resin package container with a stirred resin mixture, and dewatering the resin mixture in the waste resin package container. Compared with the prior art, the radioactive resin treatment system disclosed by the invention realizes reliable treatment of resin, can effectively package the radioactive resin, meet the requirement on waste package, reduce the size of a waste package, and reduce the waste treatment cost. The invention also discloses a radioactive resin treatment method.
Description
Technical field
A kind of the invention belongs to processing technology field of low medium level waste, it is more particularly related to radiation
The processing system of property resin and method.
Background technology
Nuclear power plant needs to regularly replace the resin of ion exchange bed, because it carries radioactivity, in belonging to, low-activity water
Flat solid waste.This kind of waste needs effectively to be processed and reorganize and outfit, and to meet, waste is processed and disposal receives and requires.
At present, the processing method of centering low zoom level resin have following several: one kind be by spent resin feeding incinerator enter
Row pyrolytic incineration.But, the secondary solid waste radioactive level that pyrolytic incineration produces is higher and produces more sour gas, right
Subsequent treatment and equipment corrosion resistance have high demands；Second is to be processed by the way of cement solidification, receives useless tree using steel drum
Fat simultaneously pours into cement grout, carries out capping temporary after waste solidification to be mixed.The shortcoming of the method is that waste inclusion amasss greatly, unfavorable
Minimize in radwaste；The easy imbibition 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, making waste bag meet waste packaging will
Ask, waste inclusion can be reduced again as far as possible and amass, reduce the processing system of radioactivity resin and the method for Waste disposal cost.
Content of the invention
It is an object of the invention to: overcome present in existing radioactivity resin treatment method not enough, provide one kind can
Safely, effectively packaging resin, makes waste bag meet waste packaging requirement, can reduce waste inclusion again as far as possible and amass, reduce waste
The processing system of radioactivity resin of cost of disposal and method.
In order to realize foregoing invention purpose, the invention provides a kind of processing system of radioactivity resin, comprising:
Two resin holding tanks, for keep in respectively punching drain into therein low put resin and in put resin；
Conveyer device, for by temporary finish low put resin and in put mixed with resin；Be additionally operable to by low put resin and in
Put resin transfer to spent resin packing container；
Agitating device, for stirring two resin holding tanks in low put resin and in put resin；
Spent resin packing container, for low after accommodating stirring put resin and in put resin；
Filling dehydration device, for being filled to the resin compound after stirring in spent resin packing container, and to useless tree
Resin compound dehydration in fat packing container.
As a kind of improvement of the processing system of radioactivity resin of the present invention, described processing system also includes glass sight glass,
Can be used for confirming that resin rushes row's situation.
As a kind of improvement of the processing system of radioactivity resin of the present invention, described punching is drained through after journey terminates, can be using removing
Saline carries out pipe flushing to conveyer device, so that follow-up use.
As a kind of improvement of the processing system of radioactivity resin of the present invention, described processing system also includes sweet-water tank,
For housing demineralized water.
As a kind of improvement of the processing system of radioactivity resin of the present invention, described processing system also includes liquid waste processing dress
Put, loose to radioactivity resin during and mixing process in produce unnecessary demineralized water process.
As a kind of improvement of the processing system of radioactivity resin of the present invention, in described liquid waste treating apparatus, it is provided with resin mistake
Filter, for filtering the resin in demineralized water.
As a kind of improvement of the processing system of radioactivity resin of the present invention, described resin holding tank is additionally provided with ejector,
Demineralized water and/or compressed air can be passed through ejector, will be placed in therein low put resin and in put mixed with resin stirring.
Compared with prior art, the processing system of radioactivity resin of the present invention efficiently solves nuclear power station in prior art and puts
It is impossible to safely and effectively be packed to resin, waste inclusion amasss the technical problems such as big, processing cost height in penetrating property resin treatment,
Achieve to resin reliable treatments, both can effectively pack radioactivity resin, and meet waste packaging requirement, waste can be reduced again
Inclusion amasss, and reduces Waste disposal cost.
In order to realize foregoing invention purpose, present invention also offers a kind of processing method of radioactivity resin, it include with
Lower step:
By radioactivity resin be divided into low put resin and in put resin and be respectively contained in resin holding tank；
After temporary enough time, by low put resin and in put mixed with resin and stir；
By mixed low put resin and in put resin and be loaded in spent resin packing container after dehydration, complete radioactivity tree
The process of fat.
As a kind of improvement of the processing method of radioactivity resin of the present invention, described radioactivity resin is loose through demineralized water
Process, demineralized water can be sent into by loose process from the bottom of ion-exchange container, makes closely knit resin fully loose in fluid
Shape.
As a kind of improvement of the processing method of radioactivity resin of the present invention, described processing method also includes rushing using waterpower
Row by low in ion-exchange container put resin and in put the resin row of punching be placed in resin holding tank respectively.
As a kind of improvement of the processing method of radioactivity resin of the present invention, described waterpower punching row rushes row for demineralized water.
As a kind of improvement of the processing method of radioactivity resin of the present invention, described radioactivity resin is placed in resin and keeps in
Carry out radioactive decay, in order to reach enough decay times to reduce radiation activity, described low to put resin temporary in resin in case
Deposit temporary storage time in case at least 30 days, described in put temporary storage time in resin holding tank for the resin at least 60 days.
As a kind of improvement of the processing method of radioactivity resin of the present invention, described to low put resin and in put resin and carry out
When being mixed and stirred for, can be by the resin transfer pump that is connected between two resin holding tanks in resin holding tank during mixing
Resin mutually conveyed so as in low put resin and in put mixed with resin.Described stirring both can pass through mixed with resin
Pump, extracts demineralized water from one of resin holding tank, reinjects in any one resin holding tank, realize uniform stirring；
Can also be by injecting compressed air in resin holding tank, to realize uniform stirring.
As a kind of improvement of the processing method of radioactivity resin of the present invention, described spent resin packing container is high globality
Container (hic), the Durability of hic, up to 300 years, can be effectively ensured the complete of waste drum in long-term disposal process
Property, reduce the risk of radioactivity diffusion.
As a kind of improvement of the processing method of radioactivity resin of the present invention, described dehydration is by spent resin packing container
Resin be dehydrated to its water content be less than resin volume 1%, to meet the free fluid to content for the spent resin packing container
Content requirement.
Compared with prior art, the processing method of radioactivity resin of the present invention low puts resin by being divided into radioactivity resin
With in put resin, and be respectively contained in resin holding tank temporary enough time to reduce its radioactivity, Ke Yiyou
Effect reduction waste drum surface dose rate, then by low put resin and in put mixed with resin stirring after be placed in spent resin packaging
In container, both can effectively pack radioactivity resin, meet waste packaging requirement, and waste inclusion can be reduced again and amass, reduce useless
Thing cost of disposal.
Brief description
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 structural representation 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 that the goal of the invention of the present invention, technical scheme and Advantageous Effects 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 used for the purpose of explaining
The present invention, is not intended to limit the present invention, the formula of embodiment, ratio etc. treatment in accordance with local conditions can make a choice and have no reality to result
Matter affects.
Refer to Fig. 1, the processing system of radioactivity resin of the present invention includes:
Two resin holding tanks 1, for keep in respectively punching drain into therein low put resin and in put resin；
Conveyer device 2, for by temporary finish low put resin and in put mixed with resin；Be additionally operable to by low put resin and in
Put resin transfer to spent resin packing container 4；
Agitating device 3, for stirring two resin holding tanks 1 in low put resin and in put resin；
Spent resin packing container 4, for low after accommodating stirring put resin and in put resin；
Filling dehydration device 5, for being filled to the resin compound after stirring in spent resin packing container 4, and to useless
Resin compound dehydration in package resin container 4.
Refer 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 low put resin and in put resin and be respectively contained in
Temporary in resin holding tank；
Step 002, after temporary enough time, by low put resin and in put mixed with resin and stir；
Step 003, by mixed low put resin and in put resin and be loaded in spent resin packing container；
Step 004, spent resin packing container is carried out dehydrating operations.
Below in conjunction with shown in Fig. 1 and Fig. 2, describe the processing system of radioactivity resin of the present invention and a reality of method in detail
Apply example.
Refer 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 to provide demineralized water to carry out by sweet-water tank 6 loose, demineralized water is sent into by ion-exchange container 8 bottom, makes
Closely knit resin is fully loose, in fluidised form shape.Excessive demineralized water is delivered at liquid waste treating apparatus 7 after filter 71 filtration
Reason.After completing loose operation, close loose feed water valve, open resin and rush valve, provide demineralized water to hand over from ion by sweet-water tank 8
Change container 8 top to send into, open the resin transfer valve of resin transfer pipeline, resin enters resin holding tank 1 under waterpower punching row.
Different according to resin radioactive level, separately two resin holding tanks 1 are put resin and low are put in being used for keeping in respectively
Resin.Resin can be observed by glass sight glass 11 and rush row's situation.After the completion of confirming resin punching row, continue to ion-exchange container
Clean demineralized water is sent at 8 tops, and ion-exchange container 8 and pipeline are rinsed, and removes remaining resin, until by glass
Sight glass 11 is observed and is rushed in draining no after residual resin, stops flushing operation.Enter the excess punching exclusion saline of resin holding tank 1
Liquid waste treating apparatus 7 can be delivered to and process after resin filter 71 filters.
For step 002, low put resin and in put that resin is temporary in resin holding tank 1 to 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.Through requiring
Temporary decay time after, resin could be carried out with the process of next step.
The conveyer device 2 being used in mixed way is electric screw delivery pump, any one extraction from two resin holding tanks 1
Resin, and deliver to another resin holding tank 1, thus reach mixing low, in put the purpose of resin.Conveyer device 2 is provided with superpressure
Protection device, leads to conveyer device 2 operating pressure to exceed design load when the operating modes such as blocking in the pipeline of conveyer device 2 rear end,
Safety relief valve 21 is opened, and forms loop, it is to avoid further rise in pressure.After confirming line clogging, sweet-water tank 6 can be used
Punching exclusion saline is provided, 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 extracts demineralized water, and return any one resin holding tank 1.The demineralized water returning sprays from ejector 12, shape
Become agitation fluid, play agitation and the effect of hybrid resin, so that the resin in resin holding tank 1 is sufficiently mixed, formed uniform
Resin grout liquid.Furthermore, it is possible to provide medium that resin is carried out with agitation mixing by sweet-water tank 6 or compressed air cylinder 61.
For step 003, spent resin packing container 4 is high integrity container (hic), is transported to useless using exclusive trail car 91
Near thing packing station 9.Using crane, spent resin packing container 4 is lifted into waste packing station 9 in place.Connect filling dehydration dress
Put 5 and spent resin packing container 4, fill pipe, dehydrating tube and other gas, electricity suppl pipeline including connecting resin.After the completion of connection,
The demineralized water sealing that test connects can be provided by sweet-water tank 6.Start conveyer device 2, the resin in resin holding tank 1
It is transported to filling dehydration device 5 and be loaded into spent resin packing container 4.Arrange in filling process or by filling dehydration device 5
Sampling pipe obtain representative resin sample, load sampling bottle 92, deliver to Chemical Analysis Lab analysis, analysis result acts on
The characteristic record of this waste bag files.
For step 004, fill dehydration device 5 and the resin in spent resin packing container 4 is dehydrated.In execution standard
After dehydration procedure, confirm that by deviating from the demineralized water water yield resin aqueous amount of filling in spent resin packing container 4 is less than waste body
After long-pending 1%, radioactivity resin treatment completes.
Complete the spent resin packing container 4 operating, release all connections with filling dehydration device 5.Spent resin is packed
Container 4 carries out closure application, using crane, spent resin packing container 4 is reinstalled exclusive trail car 91, 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 processed, first pass through radioactivity tree
Fat be divided into low put resin and in put resin, and be respectively contained in resin holding tank temporary enough time to reduce the work of its radioactivity
Degree, waste drum surface dose rate can be effectively reduced, then by low put resin and in put mixed with resin stirring, so that resin is reached
To after the requirement of filling waste packaging container, it is placed in spent resin packing container, both can effectively pack radioactivity resin, full
Sufficient waste packaging requires, and can reduce waste inclusion again and amass, reduce Waste disposal cost.
The announcement of book and teaching according to the above description, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula carries out suitable change and modification.Therefore, the invention is not limited in specific embodiment disclosed and described above, to this
In the scope of the claims that some modifications and changes of invention should also be as fall into the present invention.Although additionally, this specification
In employ some specific terms, but these terms are merely for convenience of description, do not constitute any restriction to the present invention.
Claims (12)
1. a kind of processing system of radioactivity resin is it is characterised in that the processing system of described radioactivity resin includes:
Two resin holding tanks, for keep in respectively punching drain into therein low put resin and in put resin；
Conveyer device, for by temporary finish low put resin and in put mixed with resin；Be additionally operable to by low put resin and in put tree
Fat is delivered to spent resin packing container；
Agitating device, for stirring two resin holding tanks in low put resin and in put resin；
Spent resin packing container, for low after accommodating stirring put resin and in put resin；
Filling dehydration device, for being filled to the resin compound after stirring 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 is it is characterised in that described processing system also includes removing
Brine tank, for housing demineralized water.
3. the processing system of radioactivity resin according to claim 1 is it is characterised in that described processing system also includes giving up
Liquid processing device, for processing unnecessary demineralized water.
4. the processing system of radioactivity resin according to claim 3 is it is characterised in that set in described 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 1 is it is characterised in that described resin holding tank is additionally provided with
Ejector, for mixing be placed in therein low put resin and in put resin.
6. a kind of processing method of radioactivity resin is it is characterised in that comprise the following steps:
By radioactivity resin be divided into low put resin and in put resin and be respectively contained in resin holding tank；
After temporary enough time, by low put resin and in put mixed with resin and stir；
By mixed low put resin and in put resin and be loaded in spent resin packing container after dehydration, complete radioactivity resin
Process.
7. the processing method of radioactivity resin according to claim 6 is it is characterised in that described radioactivity resin is through removing
The loose process of saline.
8. the processing method of radioactivity resin according to claim 6 is it is characterised in that described processing method also includes making
With waterpower punching row by low put resin and in put the resin row of punching be placed in resin holding tank respectively.
9. the processing method of radioactivity resin according to claim 8 is it is characterised in that described waterpower punching row is demineralized water
Punching row.
10. the processing method of radioactivity resin according to claim 6 is it is characterised in that described low resin of putting is in resin
Temporary storage time in holding tank at least 30 days；Temporary storage time in resin holding tank for the resin is put at least 60 days in described.
The processing method of 11. radioactivity resins according to claim 6 is it is characterised in that described spent resin packing container
For high integrity container.
The processing method of 12. radioactivity resins according to claim 6 is it is characterised in that described dehydration is by spent resin
Resin in packing container is dehydrated to its water content and 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106373628A true CN106373628A (en) | 2017-02-01 |
| CN106373628B CN106373628B (en) | 2018-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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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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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849238A (en) * | 2019-03-28 | 2019-06-07 | 江苏核电有限公司 | A kind of radioactive spent resin grinding system with redundant apparatus |
| CN109876871A (en) * | 2019-03-28 | 2019-06-14 | 江苏核电有限公司 | A kind of high efficiency resin discharging method for high-pressure ion exchange purification system |
| 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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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849238A (en) * | 2019-03-28 | 2019-06-07 | 江苏核电有限公司 | A kind of radioactive spent resin grinding system with redundant apparatus |
| CN109876871A (en) * | 2019-03-28 | 2019-06-14 | 江苏核电有限公司 | A kind of high efficiency resin discharging 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106373628B (en) | 2018-05-29 |
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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. |