CN208225532U - A kind of high-level waste geology treatment device - Google Patents
A kind of high-level waste geology treatment device Download PDFInfo
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- CN208225532U CN208225532U CN201820584585.XU CN201820584585U CN208225532U CN 208225532 U CN208225532 U CN 208225532U CN 201820584585 U CN201820584585 U CN 201820584585U CN 208225532 U CN208225532 U CN 208225532U
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Abstract
The utility model discloses a kind of high-level waste geology treatment devices, including disposing library, the disposition bottom storehouse portion is installed by partition, permeable stone is placed above in the partition, one layer of clay is laid with above the permeable stone, high-level waste tank is placed above in clay, disposition library rest fills up clay, and the described constructing device further includes devil liquor recovery tank, aerator and the first container equipped with microbial inoculum and the second container equipped with culture solution；The devil liquor recovery tank is connected to through first pipe with disposition bottom storehouse portion, and the aerator is connected under disposition library internal partition through second pipe；The first container and second container pass through third pipeline and the 4th pipeline respectively and are connected to disposition library, in the clay in one end of the third pipeline and the 4th pipeline insertion disposition library, the utility model has thermal conductivity, plasticity and long-time stability, the cost for reducing constructing device, the advantages of the safety of disposition high-level waste is effectively ensured and is able to achieve fabulous economic benefit.
Description
Technical field
The utility model relates to a kind of disposal plant more particularly to a kind of high-level waste geology treatment devices.
Background technique
Nuclear energy constantly develops and utilizes, the PRODUCTION TRAITS of nuclear industry and Application of Nuclear Technology can generate a certain amount of core
Waste is divided into low-level waste, medium-level waste and high-level waste according to its radioactive level, for low and intermediate level radioac, mesh
It is preceding to have there is more mature technology to come to its final safe disposal in the world.
High-level waste typically refers to spentnuclear fuel and post-processes generated high activity liquid waste and its solidified body, and directly when calcellation
The spentnuclear fuel original part of object disposition.The characteristics of high-level waste is that radioactive level is high, calorific value is big, and contains extremely harmful to biology
The long lived nuclides of alpha activity.High-level waste contains service life very long radionuclide, and burst size continues greatly several a century
Decay heat, it is necessary to keep long-term with biosphere and be isolated, therefore be badly in need of effective Safe disposal method.
For deep geological disposal at present by the internationally recognized effective ways for disposition high-level waste, target is by volume reduction and stabilization
After processing and it is sealed in the high-level waste in suitable vessel and is put into setting in the stabilization harbor for there are enough distances with biosphere
Shi Li, closing isolation, and prevent harmful nucleic from migrating to biosphere within quite long period, make issuable nucleic in the future
Exposure dose caused by leakage and migration is no more than the dose limit of state's laws, rules and regulations.
Chinese Hlw Geological Repository conceptual model is a multibarrier system, and it is solid to be from inside outwards followed successively by waste
Change body, waste canister and its outer packing, padded coaming and disposition library country rock, former three is artificial barrier, and the latter is natural barrier.
Padded coaming is last road artificial barrier, thus padded coaming selection and engineering characteristic for entire Nuclear waste disposal system
System seems extremely important.Padded coaming is filled in waste canister and country rock as the engineering barrier layer in high level radioactive waste repository
Between, it acts as: 1. engineering barrier acts on: influence of the buffering pressure from surrounding rock to dedicated waste tanks keeps dedicated waste tanks to be in disposition hole
Center, the stability of maintenance disposition library structure；2. hydraulics barrier action: hole and near field between filling waste canister and country rock
Crack or hole in rock prevent underground water (may contain corrosive deposit) from flowing to dedicated waste tanks surface；3. chemical barrier acts on:
Blocking nuclein migration prevents oxidant from reaching dedicated waste tanks surface；The design of disposition library has an important prerequisite: oxidative attack is avoided, because
Can accelerate for corrosion process under oxidation environment, waste solubility will increase, waste canister be pierced be corroded with its liner it is necessary
There is water to be added by breach, simultaneous buffering material prevents radgas and water soluble compounds from leaking into country rock；4. thermally conductive work
With: conduction nuclear fuel residual amount of energy is the heat that can and its convert that decays.
Foreign disposes the Conceptual Design Study achievement in library, disposes library in generally Chinese disposition library conceptual design
Structural shape can refer to using buffering backfilling material Sweden's KBS-3V mode, i.e., multiple engineering barrier system and be suitable for
Geology wall rock geology body collective effect ensure the security isolation of high-level waste and biosphere.Mentality of designing is exactly radioactivity
For waste storage in ready waste canister, waste canister is surrounded by padded coaming, then is outward exactly granite country rock,
The two composition engineering barrier system below.It can refer in terms of the modes of emplacement of waste and disposition tunnel and disposition pitch of holes with glass
Glass solidified body is the Japan's disposition library mode for disposing object.
Usual situation high level radioactive waste repository safety and effectiveness should be greater than 10,000 years, and this time limit be also possible to
The raising of the environmentally safe requirement of the mankind and extend.It is adapted with this, the selection and function of disposing library barrier layer material is wanted
It is also very high for asking.The research understanding of comprehensive advanced country in the world, the research of padded coaming should cover material composition and knot
Structure characteristic, stability of material, material physical property, materials chemistry cushion performance, additive selection and mitigation systemic property energy, material
Engineering characteristic and hot water force chemical Coupling characteristic etc..
Using using peanut shell powder is the microbial inoculum of carrier as padded coaming, traditional Nuclear waste disposal device
It is no longer satisfied, so being badly in need of new disposal plant.
Utility model content
The purpose of this utility model is exactly to solve the above-mentioned problems, to provide a kind of high-level waste geology treatment device, should
Constructing device has thermal conductivity, plasticity and long-time stability, greatly reduces the cost of constructing device, and it is high that disposition is effectively ensured
The advantages of putting the safety of waste and being able to achieve fabulous economic benefit.
To achieve the goals above, the utility model adopts the following technical solution:
A kind of high-level waste geology treatment device, including the disposition library built in basement rock, the disposition bottom storehouse portion installation
Partition, the partition are placed above permeable stone, are laid with one layer of clay above the permeable stone, high-level waste is placed above in clay
Tank, disposition library rest fill up clay, the described constructing device further include devil liquor recovery tank, aerator and equipped with by
The first container according to the microbial inoculum of required configuration and the second container equipped with culture solution；The devil liquor recovery tank passes through back suction
Pump is connected to through first pipe with disposition bottom storehouse portion, and the aerator is connected under disposition library internal partition by second pipe
Side；The first container and second container pass through third pipeline and the 4th pipeline respectively and are connected to disposition library, the third pipeline
In the clay in one end insertion disposition library of the 4th pipeline.
Be laid with one layer of clay above the permeable stone, this layer of clay with a thickness of 2-3cm.
The aerator is gas cylinder, guarantees that microorganism has enough oxygen to be supplemented in reproductive process.
The high-level waste tank is the metal high-level waste tank of metal production.
The metal high-level waste tank is that copper high-level waste tank or titanium high-level waste tank or cast iron high-level waste tank or steel are high
Dedicated waste tanks are put, plays and is effectively isolated radionuclide caused by high-level waste.
The basement rock is one of granite, claystone, rock salt, marl, tufa stone, sedimentary rock, is high-level waste
Strong natural barrier is provided, radionuclide caused by high-level waste is effectively isolated.
In use, opening back suction pump, aerator is opened, is passed through into clay according to required configured microbial bacteria
Liquid, microbial solution and when being passed through pipeline and being passed through in clay for the first time will make microbial inoculum be continually fed into 3-4 hours time,
Guarantee that enough microorganisms are attached in clay, after due to not enough causing in microbial inoculum due to microorganism concn
Its fastening strength is insufficient.
When being passed through microbial inoculum, back suction pump is opened, the bacterium solution back suction in disposition bottom storehouse portion will be flowed into devil liquor recovery tank,
It can guarantee the drying property of clay, open aerator, guarantee that microorganism has enough oxygen to be supplemented in reproductive process,
Stand 24 hours after being passed through microbial inoculum, guarantee microorganism be attached on clay and can growth and breeding, later be passed through training
Nutrient solution, provide decompose urase necessary to carbon source and nitrogen source, by microbial inoculum waste liquid collected by devil liquor recovery tank pass through from
Logical fill is repeated after the heart to use.
The utility model has the beneficial effects that the utility model has thermal conductivity, plasticity and long-time stability, substantially reduce
The cost of constructing device, the advantages of the safety of disposition high-level waste is effectively ensured and is able to achieve fabulous economic benefit, this reality
With it is novel it is middle devil liquor recovery tank be connected to active collection waste liquid with disposition bottom storehouse portion, guarantee the drying property of padded coaming, open exposure
Device of air guarantees that microorganism has enough oxygen to be supplemented in reproductive process.
Detailed description of the invention
Fig. 1 is the schematic device of the utility model；
Wherein, 1. disposition library；2. permeable stone；3. clay；4. high-level waste tank；5. devil liquor recovery tank；6. gas cylinder；7. first
Pipeline；8. second pipe；9. the first container；10. second container；11. third pipeline；12. the 4th pipeline；13. basement rock, 14. is anti-
Sucking pump.
Specific embodiment
The utility model is described in further detail with embodiment with reference to the accompanying drawing.
As shown in Figure 1, a kind of high-level waste geology treatment device disposes library including the disposition library 1 built in basement rock 13
Partition is installed in 1 bottom, and partition is placed above permeable stone 2, and permeable stone 2 is laid with one layer of clay 3 above, this layer of clay 3 with a thickness of
High-level waste tank 4 is placed above in clay 3 in 2-3cm, and disposition 1 rest of library fills up clay 3, which further includes giving up
Liquid recycling can 5, aerator and the first container 9 equipped with configured microbial inoculum as required and equipped with culture solution
Two containers 10, aerator are gas cylinder 6；Devil liquor recovery tank 5 is connected to through first pipe 7 with disposition 1 bottom of library by back suction pump 14,
Aerator is connected to the lower section of disposition 1 internal partition of library by second pipe 8；The first container 9 and second container 10 pass through respectively
Third pipeline 11 and the 4th pipeline 12 are connected to disposition library 1,12 one end insertion disposition library 1 of third pipeline 11 and the 4th pipeline
In clay 3.
High-level waste tank 4 be metal production metal high-level waste tank, metal high-level waste tank be copper high-level waste tank or
Titanium high-level waste tank or cast iron high-level waste tank or steel high-level waste tank.
Basement rock 13 is one of granite, claystone, rock salt, marl, tufa stone, sedimentary rock.
1), granite: refer to the blocky hard igneous rock or metamorphic rock such as granite, gabbro and basalt.Total porosity
It is low and often have joint and be broken (width is from tens meters to several centimetres) be these rock classes general characteristic.(it is widely used in plus takes
Greatly, Finland, Czech, Sweden, hardness, France, Switzerland, Japan, Germany etc.)
2), claystone: claystone is that a most wide rocks are distributed in sedimentary rock.Wherein, the content of clay mineral is usual
Greater than 50%, granularity is below 0.005 ~ 0.0039mm range.Mainly by kaolinite race, halloysite race, montmorillonite race, water
Mica Group and the mineral composition of chlorite race.It is easy to crack broken that shale is hardened the molecule formed by clay substance, it is easy to split into
For apparent rock stratum.One kind of clay rock.Complicated component, in addition to clay mineral, also containing there are many detrital mineral and authigenic minerals.
Have laminated or laminar stratification.Easy splinter is struck with hard object.Be by clay material through compaction, dehydration, again tie
It is formed after crystalline substance effect.Shale is weak to weatherproof ability, often because erosion forms low mountain, valley floor in landform.Shale is waterproof,
Often become water barrier in groundwater occurrence.(being mainly used for Belgium, France, Switzerland and Germany etc.).
3), rock salt: also known as rock salt, chemical component NaCl, crystal all belong to the halide of isometric system hexakisoctahedral class.
Monocrystal is in cube, often there is ladder-like recess on cube crystal facets, and aggregate is often in pelletized form or blocky.Pure halite without
Color is transparent, is in the colors such as light gray, Huang, red, black when impure.(being mainly used for the ground such as Byelorussia, Holland and Ukraine)
4), marl: argillaceous limestone chemical composition CaCO3, CaO 56.03%, CO2 43.97%.Often contain manganese and iron;
Identification mark can be met from hardness 3, the cleavage of diamond shape, light color, glassy lustre and with meet violent bubble of cold dilute HCl, be reflected
It is fixed.It can also make the test of calcium.It and dolomite are much like, and symbiosis is together.But dolomite will heat hydrochloric acid in,
Just there is significant bubble to react.It and aragonite are a difference in that lighter than aragonite, and the specific gravity of aragonite is 2.9 ~ 5;For the weathering of limestone
Earthy object, accompanies clay and sandstone.(being mainly used for Bulgaria)
5), tufa stone: tufa stone is a kind of pyroclastic rock, and the tephre substance of composition has 50% or more particle
Diameter is less than 2mm, and ingredient is mainly volcanic ash, and appearance is loose or fine and close, there is the tuffite that is known as of stratification, and color multiplicity has
Aubergine, canescence, celadon etc..The tephre ingredient contained according to it, can be divided into: crystal tuff;The solidifying ash of vitroclastic
Rock;Lithic tuff.Tufa stone is common construction material, can also be used as the raw material of manufacture cement and extracts the original of potash fertilizer
Material.(being mainly used for the U.S.)
6), sedimentary rock: one kind of three big rock classes, also known as hydrogenic rock are the main rocks of three kinds of composition earth's lithospheres
One of (in addition two kinds are magmatic rock and metamorphic rock).It is the place less deep in earth's surface, by other atmospheric disintegration of rocks products and one
A little eruptions, the rock formed by the carrying in water flow or glacier, deposition, diagenesis.In earth earth's surface, there is 70%
Rock is sedimentary rock, but if calculating from earth surface to the entire lithosphere of 16 kilometers of depths, sedimentary rock only accounts for 5%.Sedimentary rock master
It to include limestone, sandstone, shale etc..Mineral products contained in sedimentary rock account for the 80% of whole world ore reserves.
It is above-mentioned although specific embodiments of the present invention are described with reference to the accompanying drawings, but it is not practical new to this
The limitation of type protection scope, those skilled in the art should understand that, based on the technical solution of the present invention, ability
Field technique personnel do not need to make the creative labor the various modifications or changes that can be made still in the protection model of the utility model
Within enclosing.
Claims (6)
1. a kind of high-level waste geology treatment device, which is characterized in that including the disposition library built in basement rock, the disposition library
Partition is installed in bottom, and the partition is placed above permeable stone, is laid with one layer of clay above the permeable stone, is placed above in clay
High-level waste tank, disposition library rest fill up clay；
It further include that devil liquor recovery tank, aerator and the first container equipped with microbial inoculum and second equipped with culture solution are held
Device；The devil liquor recovery tank is pumped by back suction and is connected to through first pipe with disposition bottom storehouse portion, and the aerator passes through the second pipe
Road is connected to the lower section of disposition library internal partition；The first container and second container pass through respectively third pipeline and the 4th pipeline with
Library connection is disposed, one end insertion of the third pipeline and the 4th pipeline is disposed in the clay in library.
2. a kind of high-level waste geology treatment device as described in claim 1, which is characterized in that the clay with a thickness of 2-
3cm。
3. a kind of high-level waste geology treatment device as described in claim 1, which is characterized in that the aerator is gas
Bottle.
4. a kind of high-level waste geology treatment device as described in claim 1, which is characterized in that the high-level waste tank is gold
Belong to the metal high-level waste tank of production.
5. a kind of high-level waste geology treatment device as claimed in claim 4, which is characterized in that the metal high-level waste tank
For copper high-level waste tank or titanium high-level waste tank or cast iron high-level waste tank or steel high-level waste tank.
6. a kind of high-level waste geology treatment device as described in claim 1, which is characterized in that the basement rock be granite,
One of claystone, rock salt, marl, tufa stone, sedimentary rock.
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| CN201820584585.XU CN208225532U (en) | 2018-04-24 | 2018-04-24 | A kind of high-level waste geology treatment device |
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| CN201820584585.XU CN208225532U (en) | 2018-04-24 | 2018-04-24 | A kind of high-level waste geology treatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738349A (en) * | 2018-12-27 | 2019-05-10 | 北京科技大学 | Method for simulating Nuclear waste disposal metal can corrosive environment and behavior |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109738349A (en) * | 2018-12-27 | 2019-05-10 | 北京科技大学 | Method for simulating Nuclear waste disposal metal can corrosive environment and behavior |
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Granted publication date: 20181211 Termination date: 20200424 |