CN107052021B - A kind of allocation method of Hlw Geological Repository artificial barrier padded coaming - Google Patents
A kind of allocation method of Hlw Geological Repository artificial barrier padded coaming Download PDFInfo
- Publication number
- CN107052021B CN107052021B CN201710232786.3A CN201710232786A CN107052021B CN 107052021 B CN107052021 B CN 107052021B CN 201710232786 A CN201710232786 A CN 201710232786A CN 107052021 B CN107052021 B CN 107052021B
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- China
- Prior art keywords
- padded coaming
- disposition
- tank
- allocation method
- bentonite
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- 230000004888 barrier function Effects 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000002927 high level radioactive waste Substances 0.000 claims abstract description 18
- 239000002245 particle Substances 0.000 claims abstract description 12
- 239000007787 solid Substances 0.000 claims abstract description 7
- 230000000903 blocking effect Effects 0.000 claims abstract description 5
- 239000000440 bentonite Substances 0.000 claims description 16
- 229910000278 bentonite Inorganic materials 0.000 claims description 16
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 10
- 230000008961 swelling Effects 0.000 claims description 3
- 230000003139 buffering effect Effects 0.000 claims description 2
- 239000008187 granular material Substances 0.000 claims 1
- 239000002689 soil Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 230000005012 migration Effects 0.000 abstract description 7
- 238000013508 migration Methods 0.000 abstract description 7
- 238000007789 sealing Methods 0.000 abstract description 4
- 235000012216 bentonite Nutrition 0.000 description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000004927 clay Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009375 geological disposal Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000010438 granite Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 235000010755 mineral Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000002639 sodium chloride Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 238000003325 tomography Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B1/00—Dumping solid waste
- B09B1/008—Subterranean disposal, e.g. in boreholes or subsurface fractures
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/30—Landfill technologies aiming to mitigate methane emissions
Landscapes
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of allocation method of Hlw Geological Repository artificial barrier padded coaming.It is the disposition tank that high-level waste is housed by placing in the middle section in the disposition lateral tunnel in library, in the lower part of the disposition tank padded coaming block blocking using high-pressure solid, play the role of fixed support, and it disposes and is filled around tank using loose padded coaming particle, padded coaming is directly contacted with disposition tank in this way, fixed function is played in lower part, around plays sealing with loose particle.The present invention can effectively play the effect of the fixed disposition tank of thorough seal, will not reduce nuclein migration there are gap.
Description
Technical field
The present invention relates to a kind of Hlw Geological Repository artificial barrier system, at especially a kind of high-level waste geology
Set the allocation method of library artificial barrier padded coaming.
Background technique
In recent years, flourishing with national economy, energy shortage is increasingly becoming the serious problem that China is faced, in
State increasingly payes attention to the utilization and development of nuclear energy, and the utilization of nuclear energy will generate a large amount of nuke rubbish, therefore nuclear waste disposal is
Through becoming the project compeled in solution.
Disposition for high-level waste, at present in international community generally accepted feasible program be high-level waste it is buried in
In the stable stratum of 500~1000m of underground depth: high-level waste being stored at geology of deep part after curing process, filling
It disposes in library, which is commonly referred to as " Hlw Geological Repository ", hereinafter referred to as " disposition library ".
The mentality of designing for disposing library, is generally adopted by " more barrier systems ", including wall rock geology barrier, is based on bentonite
Artificial barrier and waste storage container barrier as padded coaming.The high-level waste of glass solidification is encapsulated in special container
In, this container is manufactured with materials such as very corrosion resistant high-grade alloy steel or copper.When disposition, solidify the week of container
The good bentonite clay material of absorption property will also be filled by enclosing, and constitute multiple tracks " artificial barrier " in this way.In addition to this, there are also excellent
" natural barrier ".High-level waste library is built in the stabilization geological stratification of several hundred meters of deep undergrounds (such as granite, clay rock, rock salt),
Its addressing is in the geologic body both without crack, tomography, earthquake and colcanism, also flowed through without mineral reserve and underground water.Ground texture
The ability with good retardance radionuclide migration and diffusion is made, the barrier work for being effectively isolated radionuclide can be played
With.
About the placement for the padded coaming for forming artificial barrier, two methods are mostly used at present: as shown in Figure 1, method one
It is to be placed on high-level waste 1 in horizontal lateral tunnel by main tunnel 6, in lateral tunnel, is first located next to high-level waste
It is to be fixed with concrete material 7, the outside filling of concrete material is padded coaming particle 2.It is arranged so that, although can have
The radionuclide migration in the horizontal direction that generates in effect retardance high-level waste, still, the upper and lower surface of high-level waste with enclose
Rock directly contacts, and in that direction, can not effectively block the migration of nucleic；Method two shown in Fig. 2 is by padded coaming
After (such as bentonite clay material) is processed into padded coaming block 3, circumferential direction is placed on around the disposition tank 8 for containing high-level waste 1,
There are holes between padded coaming block and padded coaming block, since padded coaming block is high-pressure solid block, padded coaming
After water swelling, interaction force is had between block and block, can not be played completely dense effect, be caused in block
There are holes at contact of blocks face, become the Potential passageway of nuclein migration.
Summary of the invention
In order to overcome the above-mentioned deficiency of the prior art, it is slow that the present invention provides a kind of Hlw Geological Repository artificial barrier
The allocation method for rushing material, the padded coaming artificial barrier constructed using the allocation method can effectively act as fixed disposition
Tank and the effect for reducing nuclein migration.
The technical solution used to solve the technical problems of the present invention is that: it comprises the following steps: 1) in the lateral lane in disposition library
Road lower inside is laid with concrete bearing along tunnel length direction；2) placement high-pressure solid is blocking on concrete bearing delays
Rush material block；3) the disposition tank for being loaded with high-level waste is placed on padded coaming block；4) lane around disposition tank
It is filled in road space with loose padded coaming particle.
Compared to the laying method of the existing padded coaming for forming artificial barrier, the novel disposition of one kind proposed by the present invention
Library padded coaming laying method is equipped with the disposition tank of high-level waste, tool by placing in the middle section in the disposition lateral tunnel in library
Body, it is the padded coaming block blocking using high-pressure solid in the lower part of disposition tank, plays the role of fixed support, and dispose tank
Around be filled using loose padded coaming particle, such padded coaming directly and disposition tank contact, lower part is played
Fixed function around plays sealing with loose particle, and with the water swelling of padded coaming, padded coaming particle can enter
In hole between the high-pressure solid block of lower part, the effect of the fixed disposition tank of thorough seal can be effectively played, will not there are gap,
Reduce nuclein migration.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram in one prior art disposition library of the present invention.
Fig. 2 is the partial enlargement diagram that another prior art padded coaming of the invention is placed in lateral tunnel.
Fig. 3 is the cross-sectional view in one embodiment of the invention disposition library.
In figure, 1, high-level waste, 2, padded coaming particle, 3, padded coaming block, 4, concrete bearing, 5, lateral lane
Road, 6, main tunnel, 7, concrete material, 8, disposition tank.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, belongs to protection scope of the present invention.
Fig. 3 shows the structural schematic diagram of a preferred embodiment of the invention, at one of figure high-level waste geology
The allocation method of library artificial barrier padded coaming is set, what padded coaming therein generallyd use is bentonite, it comprises the following steps:
1) in 5 lower inside of lateral tunnel in disposition library, concrete bearing 4, concrete branch are laid with along tunnel length direction
Seat 4 plays the role of fixed support；
2) the blocking padded coaming block 3 of high-pressure solid is placed on concrete bearing 4；
3) the disposition tank 8 for being loaded with high-level waste 1 is placed on padded coaming block 3；
4) it is filled in the lane space around disposition tank 8 with loose padded coaming particle 2, padded coaming particle
2 play sealing function.
As a kind of specific implementation structure of the present embodiment, in the cross-sectional view referring to the disposition library shown in Fig. 3, the coagulation
Native support 4 can be the upper supporting surface with an arc, usually in the other direction be plane, the level of concrete bearing 4
Lower part is set up directly on inside lateral tunnel 5, and the radian of upper supporting surface is consistent with the disposition shape radian of tank 8, padded coaming block
The shape of body 3 be also in the consistent radian of upper supporting surface, and be placed on the upper supporting surface of concrete bearing 4, fender
Expect that block 3 is successively arranged from concrete bearing 4 to disposition tank 8, and the padded coaming block quantity used is successively successively decreased.
Preferably, in order to enable the disposition tank 8 after placement is arranged in lateral lane for various aspects uniform force, stable structure
The middle position of 5 cross section of road.When the shape in lateral tunnel 5 takes arch design shown in Fig. 3, usually make to dispose tank 8
Center line is located at the axial location of tunnel upper semi-circle, and effect is best.
In the present embodiment, because bentonite have water-swellable, self-enclosed property, low-permeability and nucleic absorption etc. it is special
Property, general to select bentonite as buffering backfilling material, abbreviation padded coaming determines substantially at present in numerous bentonites
As the disposition MX-80 bentonite for mainly having the U.S. of library padded coaming, Hispanic FEBEX bentonite, Japan
Kunigel-V1 bentonite and the Gaomiaozi bentonite of China.
Benefit in this way is also resided in, installation and manufacture are facilitated, padded coaming particle 2 can pass through special pipeline
Be input to designated position so that backfilling operation become be more easier also more likely realize robotic operations simultaneously.This placement
Method can combine the effect of fixed disposition tank 8 and sealing；By means of such setting, it is easier to which realization is being tested
The hot water force Coupling Thermal Journal of Sex Research that padded coaming and loose padded coaming are compacted under same case is carried out in room simultaneously, is practical deep
Geological disposal provides guidance.
The above is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is all according to
According to technical spirit of the invention, any simple modification and same variation are made to above embodiments, each fall within guarantor of the invention
Within the scope of shield.
Claims (5)
1. a kind of allocation method of Hlw Geological Repository artificial barrier padded coaming, characterized in that comprise the following steps:
1) in lateral tunnel (5) lower inside in disposition library, concrete bearing (4) are laid with along tunnel length direction；
2) the blocking padded coaming block (3) of high-pressure solid is placed on concrete bearing (4)；Form the padded coaming block
(3) padded coaming selects bentonite；
3) the disposition tank (8) for being loaded with high-level waste (1) is placed on padded coaming block (3)；
4) it is filled in the lane space around disposition tank (8) with loose padded coaming particle (2), forms the buffering
The padded coaming of material granule (2) selects bentonite.
2. a kind of allocation method of Hlw Geological Repository artificial barrier padded coaming according to claim 1,
Be characterized in: the concrete bearing (4) has a upper supporting surface of an arc, the radian of upper supporting surface and disposition tank (8) it is outer
Shape radian is consistent, the shape of padded coaming block (3) be also in the consistent radian of upper supporting surface, and be placed in concrete branch
On the upper supporting surface of seat (4), padded coaming block (3) is successively arranged from concrete bearing (4) to disposition tank (8), and is used
Padded coaming block (3) quantity successively successively decrease.
3. a kind of allocation method of Hlw Geological Repository artificial barrier padded coaming according to claim 1 or 2,
It is characterized in that: the disposition tank (8) after placing is located at the middle position of lateral tunnel (5) cross section.
4. a kind of allocation method of Hlw Geological Repository artificial barrier padded coaming according to claim 3,
Be characterized in: the center line of disposition tank (8) is located at the axial location of tunnel upper semi-circle.
5. a kind of allocation method of Hlw Geological Repository artificial barrier padded coaming according to claim 1,
Be characterized in: the bentonite is the Kunigel-V1 swelling of the MX-80 bentonite, Hispanic FEBEX bentonite, Japan in the U.S.
Soil or the Gaomiaozi bentonite of China.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710232786.3A CN107052021B (en) | 2017-04-11 | 2017-04-11 | A kind of allocation method of Hlw Geological Repository artificial barrier padded coaming |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710232786.3A CN107052021B (en) | 2017-04-11 | 2017-04-11 | A kind of allocation method of Hlw Geological Repository artificial barrier padded coaming |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107052021A CN107052021A (en) | 2017-08-18 |
| CN107052021B true CN107052021B (en) | 2019-08-27 |
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| CN201710232786.3A Active CN107052021B (en) | 2017-04-11 | 2017-04-11 | A kind of allocation method of Hlw Geological Repository artificial barrier padded coaming |
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| CN (1) | CN107052021B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108167021B (en) * | 2017-12-15 | 2018-12-25 | 中国矿业大学 | The safe blocking method in high level radioactive waste repository roadway excavation perturbing area |
| CN109187213B (en) * | 2018-09-21 | 2021-07-02 | 同济大学 | Performance simulation test method and device for concrete-high compaction bentonite combined system |
| CN111128427B (en) * | 2020-03-18 | 2023-04-14 | 核工业北京地质研究院 | Disposal container, disposal unit and disposal method for high-level radioactive waste |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001083296A (en) * | 1999-09-10 | 2001-03-30 | Hitachi Ltd | Container for housing exothermic substance |
| CN202711727U (en) * | 2012-07-30 | 2013-01-30 | 兰州大学 | Buffering material 1/12 fan-shaped compaction block |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07294698A (en) * | 1994-04-27 | 1995-11-10 | Ishikawajima Harima Heavy Ind Co Ltd | Formation disposal method for radioactive waste |
| JP2002341093A (en) * | 2001-05-22 | 2002-11-27 | Kajima Corp | Waste treatment method |
| JP3692124B2 (en) * | 2003-04-01 | 2005-09-07 | 三菱重工業株式会社 | Waste disposal method |
| JP4939011B2 (en) * | 2005-08-19 | 2012-05-23 | 鹿島建設株式会社 | Bentonite material |
| JP4687971B2 (en) * | 2005-10-13 | 2011-05-25 | 清水建設株式会社 | Impermeable layer for buried processing |
-
2017
- 2017-04-11 CN CN201710232786.3A patent/CN107052021B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001083296A (en) * | 1999-09-10 | 2001-03-30 | Hitachi Ltd | Container for housing exothermic substance |
| CN202711727U (en) * | 2012-07-30 | 2013-01-30 | 兰州大学 | Buffering material 1/12 fan-shaped compaction block |
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| Publication number | Publication date |
|---|---|
| CN107052021A (en) | 2017-08-18 |
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Address after: 221116 No. 1 University Road, copper mountain, Jiangsu, Xuzhou Applicant after: China University of Mining & Technology Address before: 221116 Xuzhou University Road,, Jiangsu, China University of Mining and Technology Applicant before: China University of Mining & Technology |
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