CN110957056A - Treatment method of APG waste resin of nuclear power plant - Google Patents
Treatment method of APG waste resin of nuclear power plant Download PDFInfo
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- CN110957056A CN110957056A CN201911146251.XA CN201911146251A CN110957056A CN 110957056 A CN110957056 A CN 110957056A CN 201911146251 A CN201911146251 A CN 201911146251A CN 110957056 A CN110957056 A CN 110957056A
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- 239000011347 resin Substances 0.000 title claims abstract description 146
- 229920005989 resin Polymers 0.000 title claims abstract description 146
- 239000002699 waste material Substances 0.000 title claims abstract description 103
- 238000011282 treatment Methods 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 54
- 230000008929 regeneration Effects 0.000 claims abstract description 29
- 238000011069 regeneration method Methods 0.000 claims abstract description 29
- NWUYHJFMYQTDRP-UHFFFAOYSA-N 1,2-bis(ethenyl)benzene;1-ethenyl-2-ethylbenzene;styrene Chemical compound C=CC1=CC=CC=C1.CCC1=CC=CC=C1C=C.C=CC1=CC=CC=C1C=C NWUYHJFMYQTDRP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 13
- 239000003456 ion exchange resin Substances 0.000 claims abstract description 11
- 229920003303 ion-exchange polymer Polymers 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims description 20
- 230000005855 radiation Effects 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 14
- 238000004140 cleaning Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 11
- 238000005070 sampling Methods 0.000 claims description 9
- 239000003957 anion exchange resin Substances 0.000 claims description 8
- 239000003729 cation exchange resin Substances 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 7
- 239000002351 wastewater Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000009467 reduction Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 abstract description 6
- 238000003860 storage Methods 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 3
- 238000003672 processing method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 4
- 239000002920 hazardous waste Substances 0.000 description 4
- 239000010865 sewage Substances 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002285 radioactive effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 239000004254 Ammonium phosphate Substances 0.000 description 1
- 239000002028 Biomass Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 229910000148 ammonium phosphate Inorganic materials 0.000 description 1
- 235000019289 ammonium phosphates Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- MNNHAPBLZZVQHP-UHFFFAOYSA-N diammonium hydrogen phosphate Chemical group [NH4+].[NH4+].OP([O-])([O-])=O MNNHAPBLZZVQHP-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 238000003904 radioactive pollution Methods 0.000 description 1
- 239000002901 radioactive waste Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012549 training Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
Images
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
- G21F9/001—Decontamination of contaminated objects, apparatus, clothes, food; Preventing contamination thereof
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Food Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a method for treating APG waste resin of a nuclear power plant. The processing method comprises the following steps: adopting movable waste ion exchange resin treatment equipment in a nuclear power plant to carry out regeneration treatment on the approved, clean and controlled APG waste resin to obtain regenerated resin; and boxing the regenerated resin meeting the national standard requirement and then transporting the regenerated resin to a wastewater treatment plant outside a nuclear power plant for later use. The treatment method solves the problems of high treatment cost and serious accumulation of the conventional waste APG resin by recycling the APG waste resin of the nuclear power plant, can improve the earth environment, relieve the pressure of a waste temporary storage yard of the nuclear power plant and save the waste treatment cost of the nuclear power plant.
Description
Technical Field
The invention relates to the technical field of radioactive waste treatment of nuclear power plants, in particular to a method for treating APG (ammonium phosphate group) waste resin of a nuclear power plant.
Background
APG is nuclear power plant steam generator drainage, and the effect is collected and is handled steam generator's blowdown water, and the theory of operation of adoption is to utilize the resin to filter and ion exchange the blowdown water. The resin used for the APG is degraded after a certain period of use, and needs to be replaced when the performance of the resin is reduced to a certain value, and the replaced resin is the APG waste resin. During the normal operation of the unit, the heat transfer pipe of the steam generator of the nuclear power plant is not damaged, and the generated APG waste resin has no radioactive pollution condition. According to the national hazardous waste list (2016 edition), the waste ion exchange resin belongs to HW13 type hazardous waste, and the waste code 900-. At present, after the APG waste resin of a nuclear power plant is approved by the national nuclear safety administration for cleaning and solution control, the domestic nuclear power is generally carried out by transporting and burning the APG waste resin according to dangerous wastes.
However, since the domestic environmental protection situation is becoming severe, the transportation and treatment prices of hazardous wastes are very high, resulting in high treatment costs of APG waste resins. In addition, the unit for treating the waste resin is less, the total treatment amount is limited, and the waste resin of the nuclear power plant can not be treated in time every year, so that the problem of accumulation of APG waste resin is caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing a method for treating APG waste resin of a nuclear power plant, which solves the problems of high treatment cost and serious accumulation of the conventional waste APG resin by recycling the APG waste resin of the nuclear power plant, can improve the global environment, relieve the pressure of a waste temporary storage yard of the nuclear power plant and save the waste treatment cost of the nuclear power plant.
In order to solve the technical problem, the technical scheme adopted by the invention is to provide a treatment method of APG waste resin of a nuclear power plant, which comprises the following steps:
adopting movable waste ion exchange resin treatment equipment in a nuclear power plant to carry out regeneration treatment on the approved, clean and controlled APG waste resin to obtain regenerated resin;
and boxing the regenerated resin meeting the national standard requirement and then transporting the regenerated resin to a wastewater treatment plant outside a nuclear power plant for later use.
In the treatment method of the APG waste resin in the nuclear power plant, the regeneration treatment process comprises the steps of resin suction, regenerated liquid preparation, resin regeneration, resin reduction and resin cleaning.
In the method for treating the APG waste resin of the nuclear power plant, the regeneration of the resin is promoted by ultrasonic waves when the APG waste resin is subjected to regeneration treatment.
In the treatment method of the APG waste resin of the nuclear power plant provided by the invention, the treatment method further comprises the following steps: sampling and detecting the regenerated resin to judge whether the regenerated resin meets the national standard requirements.
In the treatment method of the APG waste resin of the nuclear power plant provided by the invention, the treatment method further comprises the following steps: sampling and detecting the waste liquid generated in the regeneration treatment process to judge whether the waste liquid can be discharged outwards.
In the method for treating the APG waste resin in the nuclear power plant, the regenerated resin comprises cation exchange resin and anion exchange resin; in the process of boxing the regenerated resin, the cation exchange resin and the anion exchange resin are respectively packed in different steel boxes.
In the treatment method of the APG waste resin in the nuclear power plant, the regenerated resin is transported as a general resin product in the process of boxing the regenerated resin.
In the treatment method of the APG waste resin of the nuclear power plant provided by the invention, the treatment method further comprises the following steps: and placing the regenerated resin meeting the national standard requirements into the wastewater to be treated of the wastewater treatment plant for reuse.
In the treatment method of the APG waste resin of the nuclear power plant provided by the invention, the treatment method further comprises the following steps: and carrying out radiation measurement on APG waste resin of the nuclear power plant and forming a radiation level detection report.
In the treatment method of the APG waste resin of the nuclear power plant provided by the invention, the treatment method further comprises the following steps: submitting the radiation level detection report to the national nuclear safety administration for approval for cleaning and decontrol.
The implementation of the treatment method of the APG waste resin of the nuclear power plant provided by the invention can achieve the following beneficial effects: the processing method comprises the following steps: adopting movable waste ion exchange resin treatment equipment in a nuclear power plant to carry out regeneration treatment on the approved, clean and controlled APG waste resin to obtain regenerated resin; and boxing the regenerated resin meeting the national standard requirement and then transporting the regenerated resin to a wastewater treatment plant outside a nuclear power plant for later use. The treatment method solves the problems of high treatment cost and serious accumulation of the conventional waste APG resin by recycling the APG waste resin of the nuclear power plant, can improve the earth environment, relieve the pressure of a waste temporary storage yard of the nuclear power plant and save the waste treatment cost of the nuclear power plant.
Drawings
FIG. 1 is a flow chart of the embodiment of the invention.
Detailed Description
The invention provides a treatment method of APG waste resin of a nuclear power plant, which comprises the following steps: carrying out radiation measurement on APG waste resin of a nuclear power plant and forming a radiation level detection report; submitting the radiation level detection report to the national nuclear safety administration for approval for cleaning and decontrol; adopting movable waste ion exchange resin treatment equipment in a nuclear power plant to carry out regeneration treatment on the approved, clean and controlled APG waste resin to obtain regenerated resin; sampling and detecting the regenerated resin to judge whether the regenerated resin meets the national standard requirements; sampling and detecting the waste liquid generated in the regeneration treatment process to judge whether the waste liquid can be discharged outwards; boxing the regenerated resin meeting the national standard requirement and then transporting the regenerated resin to a wastewater treatment plant outside a nuclear power plant for later use; and placing the regenerated resin meeting the national standard requirements into the wastewater to be treated of the wastewater treatment plant for reuse. By adopting the treatment method, the regeneration and reuse of the APG waste resin of the nuclear power plant can be realized, the problems of high treatment cost and serious accumulation of the conventional waste APG resin are solved, the global environment can be improved, the pressure of a waste temporary storage yard of the nuclear power plant is relieved, and the waste treatment cost of the nuclear power plant is saved. Meanwhile, the APG waste resin is made to be an important secondary resource and a potential resource.
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Research at home and abroad shows that the waste ion exchange resin can be recycled through reasonable treatment and disposal technology, if the waste ion exchange resin can be recovered to be continuously utilized according to the original use, the waste ion exchange resin can be used as a raw material for producing products such as flame-retardant materials, composite materials, cement and the like, can also be used as a viscous material, can be mixed with certain substances to be used as an additive of new biomass energy, has value reproducibility, and is important secondary resources and potential resources.
The invention relates to a method for treating APG waste resin in a nuclear power plant, which has the general idea that a set of movable waste ion exchange resin treatment equipment is utilized to carry out regeneration treatment on the APG waste resin in the nuclear power plant. And (3) detecting the regenerated resin after treatment by qualified third party units according to the technical indexes required by GB/T13659 and GB/T13660 and issuing detection reports, wherein the regenerated resin is a product which is repaired to meet the national product quality standard if each index meets the requirement, and is recycled. And the regenerated resin can be transported to an off-site wastewater treatment plant for reuse without a dangerous waste transportation mode. By implementing the method for treating the APG waste resin of the nuclear power plant, the benefits of improving the earth environment, relieving the pressure of a waste temporary storage, saving the treatment cost and the like are improved, and the difficulty of the nuclear power unit in the aspects of treating and disposing radioactive solid waste and hazardous waste in China is solved.
The method for processing the APG waste resin of the nuclear power plant provided by the embodiment comprises the steps S1 to S8 explained as follows.
Step S1: and carrying out radiation measurement on APG waste resin of the nuclear power plant and forming a radiation level detection report. Specifically, a unit with radiation measurement qualification is entrusted to sample and analyze the APG waste resin, and a nuclear power plant APG waste resin radiation level detection report is formed. The key of the radiation level detection of the APG waste resin is to ensure the representativeness of a test analysis sample and scientifically and reasonably design the collection and distribution points of the sample. In the project implementation process, after the operator is subjected to radioactive operation and quality assurance training, the operator is certified and put on duty; operating according to relevant national standards and procedures; using qualified measuring and analyzing instruments which are verified within the verification validity period; the technical files used on site are guaranteed to be effective, clear and consistent.
Step S2: submitting the radiation level detection report to the national nuclear safety administration for approval for cleaning and decontrol. Specifically, according to the radiation level detection report of the nuclear power plant APG waste resin formed in the step S1, it is ensured that the activity concentration of the related nuclide in the APG waste resin is far less than the cleaning solution control limit value specified in the national standard "radionuclide activity concentration in materials exemptable from radiation protection supervision" (GB27742-2011), and finally the measurement report is reported to the national nuclear safety agency for application of approval for cleaning solution control. And after the evaluation of the national nuclear safety administration, issuing formal documents about the approval of the cleaning and the control of the waste APG resin.
Step S3: and (3) regenerating the approved, clean and controlled APG waste resin by adopting movable waste ion exchange resin treatment equipment in the nuclear power plant to obtain regenerated resin. Specifically, the regeneration treatment process comprises resin suction, regeneration liquid preparation, resin regeneration, resin reduction and resin cleaning. In the regeneration treatment, in order to shorten the regeneration time, the regeneration of the waste resin may be accelerated by ultrasonic waves. Like this, directly handle APG waste resin in nuclear power plant inside, compare with the traditional mode of going on after transporting APG waste resin to the off-site, improved the treatment effeciency, saved the cost of transportation.
Step S4: sampling and detecting the regenerated resin to judge whether the regenerated resin meets the national standard requirements. Specifically, the regenerated resin obtained in the step S3 includes a cation exchange resin and an anion exchange resin. In this step, the regenerated resin obtained in step S3 is sampled, and the sample of the regenerated resin is sent to a qualified third party unit for detection and analysis, and a formal detection report is issued. According to the detection report, the cation exchange resin and the anion exchange resin are approved by respectively referring to various indexes of resin products in national standards GB/T13659 and GB/T13660, so as to judge whether the regenerated resin meets the requirements of the national standards.
Step S5: sampling and detecting the waste liquid generated in the regeneration treatment process to judge whether the waste liquid can be discharged outwards. Specifically, sampling is carried out according to the sewage in the third step of regeneration treatment, detection and analysis are carried out by a qualified third party unit, and a formal detection report is issued. And (4) approving whether the sewage detection report formed in the fifth step meets the national standard requirements or not by referring to all indexes of sewage discharge in the GB 8978 and 1996 integrated sewage discharge standard.
Step S6: and boxing the regenerated resin meeting the national standard requirement and then transporting the regenerated resin to a wastewater treatment plant outside a nuclear power plant for later use. Specifically, the regenerated resin comprises a cation exchange resin and an anion exchange resin; in the process of boxing the regenerated resin, the cation exchange resin and the anion exchange resin are respectively packed in different steel boxes. Moreover, as the regenerated resin meets various indexes of resin products in national standards GB/T13659 and GB/T13660, the regenerated resin can be transported as a general resin product in the process of boxing the regenerated resin, and does not need to be entrusted to qualified units to be transported according to dangerous wastes. In addition, before transportation, a filing treatment is carried out, namely, files such as detection reports and recorded ledgers of the regenerated resin are reported to relevant environmental protection departments.
Step S7: and carrying out outward incineration on the regenerated resin which does not meet the national standard requirement. Specifically, for the regenerated resin which does not meet various indexes of resin products in national standards GB/T13659 and GB/T13660, the regenerated resin needs to be entrusted to qualified units, transported to an external field according to dangerous waste and incinerated.
Step S8: and placing the regenerated resin meeting the national standard requirements into the wastewater to be treated of the wastewater treatment plant for reuse. Specifically, the wastewater treatment plant focuses on units which do not affect human health, such as heavy metal wastewater treatment.
In summary, compared with the original treatment technology of the APG waste resin in the nuclear power plant, the APG waste resin is cleaned, removed and incinerated outside the field, but has great influence on the environment and higher treatment cost. The treatment method provided by the embodiment realizes the regeneration and reuse of the APG waste resin of the nuclear power plant through the steps of radiation measurement, cleaning and solution control, regeneration treatment, detection, approval, boxing, filing, transportation and reuse of the APG waste resin of the nuclear power plant, solves the problems of high treatment cost and serious accumulation of the conventional waste APG resin, can improve the earth environment, relieve the pressure of a waste temporary storage yard of the nuclear power plant and save the waste treatment cost of the nuclear power plant.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A treatment method of APG waste resin of a nuclear power plant is characterized by comprising the following steps:
adopting movable waste ion exchange resin treatment equipment in a nuclear power plant to carry out regeneration treatment on the approved, clean and controlled APG waste resin to obtain regenerated resin;
and boxing the regenerated resin meeting the national standard requirement and then transporting the regenerated resin to a wastewater treatment plant outside a nuclear power plant for later use.
2. The method for treating the APG waste resin of the nuclear power plant as claimed in claim 1, wherein the technological process of the regeneration treatment comprises resin suction, regeneration liquid preparation, resin regeneration, resin reduction and resin cleaning.
3. The method for treating APG waste resin of nuclear power plant as claimed in claim 2, wherein the regeneration of resin is promoted by ultrasonic wave when the APG waste resin is subjected to regeneration treatment.
4. The method of claim 1, further comprising the steps of: sampling and detecting the regenerated resin to judge whether the regenerated resin meets the national standard requirements.
5. The method of claim 1, further comprising the steps of: sampling and detecting the waste liquid generated in the regeneration treatment process to judge whether the waste liquid can be discharged outwards.
6. The method for treating APG waste resin of nuclear power plant according to claim 1, wherein the regenerated resin comprises cation exchange resin and anion exchange resin; in the process of boxing the regenerated resin, the cation exchange resin and the anion exchange resin are respectively packed in different steel boxes.
7. The method of claim 1, wherein the regenerated resin is transported as a general resin product during the process of boxing the regenerated resin.
8. The method of claim 1, further comprising the steps of: and placing the regenerated resin meeting the national standard requirements into the wastewater to be treated of the wastewater treatment plant for reuse.
9. The method of claim 1, further comprising the steps of: and carrying out radiation measurement on APG waste resin of the nuclear power plant and forming a radiation level detection report.
10. The method of claim 9, further comprising the steps of: submitting the radiation level detection report to the national nuclear safety administration for approval for cleaning and decontrol.
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| CN201911146251.XA CN110957056A (en) | 2019-11-21 | 2019-11-21 | Treatment method of APG waste resin of nuclear power plant |
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| CN201911146251.XA CN110957056A (en) | 2019-11-21 | 2019-11-21 | Treatment method of APG waste resin of nuclear power plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114163685A (en) * | 2020-09-10 | 2022-03-11 | 阳江核电有限公司 | Waste resin regeneration treatment method |
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| CN104176693A (en) * | 2013-05-24 | 2014-12-03 | 中广核工程有限公司 | Resin transfer equipment for nuclear power station |
| CN106391147A (en) * | 2016-03-23 | 2017-02-15 | 江苏核电有限公司 | Resin regeneration and post-flushing method of steam generator drainage sewage purification system in nuclear power station |
-
2019
- 2019-11-21 CN CN201911146251.XA patent/CN110957056A/en active Pending
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|---|---|---|---|---|
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| CN203070793U (en) * | 2013-01-14 | 2013-07-17 | 上海核工程研究设计院 | Shielding transfer device for transporting radioactive waste resin |
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| Title |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114163685A (en) * | 2020-09-10 | 2022-03-11 | 阳江核电有限公司 | Waste resin regeneration treatment method |
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Application publication date: 20200403 |