CN105784574A - Multi-field coupling test bed device for buffer material - Google Patents
Multi-field coupling test bed device for buffer material Download PDFInfo
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- CN105784574A CN105784574A CN201410831824.3A CN201410831824A CN105784574A CN 105784574 A CN105784574 A CN 105784574A CN 201410831824 A CN201410831824 A CN 201410831824A CN 105784574 A CN105784574 A CN 105784574A
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Abstract
The invention belongs to the technical field of high-level radioactive waste geological disposal buffer/backfill material, and in particular, relates to a multi-field coupling test bed device for a buffer material. The device comprises a top cover, a test chamber body, a bottom trolley, a heating system, a compacted buffer material, a sensor, a water inlet pipeline, and a water seepage board; the bottom trolley is provided with the heating system; the heating system is provided with the test chamber body; the compacted buffer material is arranged inside the test chamber body, and a gap is left between the test chamber body inner wall and the compacted buffer material; the compacted buffer material is internally provided with the sensor; the test chamber body is provided with the top cover for leading a wire of the sensor out of the interior; the seepage plate is embedded in the bottom of the top cover, and the top cover is provided with the water inlet pipeline communicating with the water seepage plate. The device has the advantages of convenient operation, can simulate local environment conditions of the high-level radioactive waste geological disposal repository, and ensures the high-efficiency assembly and smooth operation of a buffer material multi-field coupling test bed.
Description
Technical field
The invention belongs to high-level waste geology treatment buffering/backfilling material technical field, be specifically related to a kind of for padded coaming multi-scenarios method test-bed device.
Background technology
High-level waste is a kind of, nucleic long half time, toxicity big, caloric value big special refuse strong containing radioactivity, it is necessary to human habitat isolation reliably and with long-term.The safe disposal of high-level waste is the significant problem being related to Land Environment, public security and nuclear industry health, sustainable development, is also the requisite important step of nuclear industry activity, it is necessary to the handling problems of high-level waste is studied and properly settled.In prior art, high-level waste geology treatment can adopt the mode of multibarrier system to be disposed, padded coaming is as disposing ingredient important in the multibarrier system of storehouse, it it is last road artificial barrier being filled between dedicated waste tanks and geologic body, play the important function such as engineering barrier, hydraulics barrier, chemical barrier, conduction and lost radwaste decay heat, be the effective guarantee of geological disposal storehouse safe operation.
In long-term operation process in Deep Geological Disposal of High-level Radioactive Wastes storehouse, owing to the subsoil water in high-level waste decay release heat, disposal storehouse country rock migrates infiltration, dedicated waste tanks nucleic to combineds effect such as power produced by external migration, crustal stress and padded coaming imbibition in storehouse, padded coaming will produce extremely complex " heat-water-Li-chemistry " coupling phenomenon under the effects such as heat, subsoil water and crustal stress.For the multi-scenarios method problem disposed in storehouse, long-term safety in order to ensure isolation barrier padded coaming, the phenomenon that this individual system is main must be carried out the simulation test of science, and build padded coaming multi-scenarios method large-scale experiment stand and be simulated test and carry out the test of subterranean laboratory scene, it is explore simulation to dispose the heat-water-Li-chemical Coupling characteristic of padded coaming when storehouse, set up the effective means of padded coaming evaluation of long-term properties method, it is possible to intuitively understand and grasp padded coaming behavior characteristics under long-term multi-scenarios method effect.
In padded coaming multi-scenarios method large-scale experiment stand and subterranean laboratory scene are tested, generally use metal heater and replace dedicated waste tanks, the decay heat of simulation high-level waste；Use High-Pressure Water simulated groundwater seepage flow, make padded coaming progressively saturated from outside to inside.Owing to large-scale experiment stand and subterranean laboratory scene test structure system complex are tight, test length consuming time, boundary condition is difficult to accurate control, and in running can not easy removal in order to avoid destroying multi-scenarios method environment, make later stage test be difficult to carry out for a long time.
Summary of the invention
The present invention is directed to the medium-and-large-sized test-bed of prior art and subterranean laboratory scene test structure system complex is tight, test length consuming time, boundary condition is difficult to accurate control, and in running can not easy removal in case destroy multi-scenarios method environment, later stage test is difficult to the technical problem carried out for a long time, a kind of padded coaming multi-scenarios method test-bed device is provided, this device is easy to operate, can simulate under For Hlw Geological Repository local environmental conditions, it is ensured that padded coaming multi-scenarios method experimental stand efficiently assembles and trouble-free operation.
Present invention employs following technical scheme:
A kind of for padded coaming multi-scenarios method test-bed device, this device includes top cover, test cavity, bottom dolly, heating system, compacting padded coaming, sensor, inlet channel, water permeating board, bottom dolly is provided with heating system, heating system is provided with test cavity, it is provided with compacting padded coaming in test cavity body, and leaves gap between test cavity inner wall and compacting padded coaming；Being provided with sensor in compacting padded coaming, test cavity is provided with the top cover drawn by the wire of sensor from its inside；Water permeating board is embedded in cap base, and top cover has the inlet channel communicated with water permeating board.
A kind of for padded coaming multi-scenarios method test-bed device, described heating system top is provided with groove, and the bottom internal layer of test cavity is politef, is embedded in heating system groove bottom politef.
A kind of for padded coaming multi-scenarios method test-bed device, the outer layer covers stainless steel cask of described politef and heating system.
A kind of for padded coaming multi-scenarios method test-bed device, the outer layer covers heat-preserving container of described stainless steel cask.
A kind of for padded coaming multi-scenarios method test-bed device, described top cover several through holes of circumferentially uniform intervals, respectively it is embedded with an outlet passage for drawing sensor conductor in each through hole.
A kind of for padded coaming multi-scenarios method test-bed device, have several wire holes for drawing sensor conductor in described outlet passage.
A kind of for padded coaming multi-scenarios method test-bed device, the line of several described wire holes is yi word pattern, and the line of several wire holes is vertical with the radial direction of top cover.
A kind of for padded coaming multi-scenarios method test-bed device, described water permeating board is opened several several crescent moon gap for drawing sensor conductor.
A kind of for padded coaming multi-scenarios method test-bed device, described including is connected with testing cavity by hex bolts between top cover.
A kind of for padded coaming multi-scenarios method test-bed device, it is bolted between described water permeating board and top cover.
The invention has the beneficial effects as follows:
One provided by the invention is used for padded coaming multi-scenarios method test-bed device, can simulate under For Hlw Geological Repository local environmental conditions, namely in the opposite direction heat simultaneously and add under water condition, research heat and water are respectively from the behavior characteristics of the Bu Tong lateral other side transmission of padded coaming and infiltration, it is better understood by padded coaming and disposes the behavior development trend under the local environment of storehouse in simulation, it is padded coaming in-situ test and the important supplement of large-scale bench test, provides underlying parameter for padded coaming long term test research；
One provided by the invention is used for padded coaming multi-scenarios method test-bed device, install easy to operate, heat and add water and carry out under controlled condition, ensure that padded coaming multi-scenarios method experimental stand efficiently assembles and trouble-free operation, in experimentation can regular dismounting, it is also analyzed test by acquisition buffer material experiment sample；
One provided by the invention is used for padded coaming multi-scenarios method test-bed device, it is possible to storehouse local environment is disposed in simulation to the full extent, it is thus achieved that scientific and reasonable test data, is effectively disclosed in behavior and the Changing Pattern of padded coaming when multi-scenarios method.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation for padded coaming multi-scenarios method test-bed device provided by the present invention；
Fig. 2 is the structural representation of the cover device of test-bed provided by the present invention；
Fig. 3 is water permeating board provided by the present invention and the structural representation being connected with top cover thereof；
Fig. 4 is the structural representation of water permeating board plane provided by the present invention.
In figure: 1-top cover, 2-test dolly, 6-heating system, 7-compacting padded coaming, 8-stainless steel cask, 9-sensor, 10-hex bolts, 11-outlet passage, 12-inlet channel, 13-water permeating board, 14-bolt, 15-wire hole, 16-gap bottom cavity, 3-politef, 4-heat-preserving container, 5-.
Detailed description of the invention
Below in conjunction with drawings and Examples, one provided by the present invention is described further for padded coaming multi-scenarios method test-bed device.
As it is shown in figure 1, be solidly connected by bolt is stubborn with bottom dolly 5 bottom heating system 6, heating system 6 top has groove；The bottom of test cavity 2 is politef 3, is embedded in heating system 6 groove bottom politef 3；The outer layer covers stainless steel cask 8 of politef 3 and heating system 6, the outer layer covers heat-preserving container 4 of stainless steel cask 8；Compacting padded coaming 7 is filled in the inside of test cavity 2, and the inside of compacting padded coaming 7 is embedded with sensor 9, and the wire of sensor 9 is drawn from the outlet passage 11 top cover 1.As shown in Figure 1, Figure 2, Figure 3 and Figure 4, top cover 1 is connected by 12 hex bolts 10 and sealing ring are fixing with test cavity 2 top, top cover 1 circumferentially uniform intervals has four through holes, an outlet passage 11 respectively it is embedded with in each through hole, top cover 1 center has an inlet channel 12, inlet channel 12 communicates with water permeating board 13, water permeating board 13 is embedded in bottom top cover 1 and is fastenedly connected by four stainless steel bolts 14 and top cover 1, and water permeating board 13 circumferential edge place uniform intervals has four crescent moon gap 16.
Described test cavity 2 is for simulating the country rock disposing storehouse；Heating system 6 is used for replacing dedicated waste tanks, simulates high-level waste decay heat；Inlet channel 12 and water permeating board 13 are as water inlet system simulated groundwater seepage flow, and under whole test-bed unit simulation For Hlw Geological Repository local environment, the behavior characteristics of padded coaming changes.
Described tetrafluoroethene material 3 prevents heating system 6 from producing the conduction of lateral heat, causes test error；Described stainless steel cask 8 limits the dilatancy of compacting padded coaming 7.Described heat-preserving container 4 is lined with insulating foam, it is possible to reduce the heat exchange between heater and padded coaming and surrounding in process of the test, in order to avoid affecting process of the test；Described compacting padded coaming 7 in the opposite direction heats simultaneously and the behavior characteristics that adds under water condition can pass through sensor 9 and monitor acquisition in real time, described test cavity 2 is seated in the groove of heating system 6, when heating system 6 is damaged, whole test-bed can be sling, be convenient for changing maintenance.
Described top cover 1 adopts high-strength corrosion-resisting stainless steel, and described top cover 1 is tightly connected with test cavity 2, the deformation of padded coaming 7 in limit assay cavity.
Installation gap between described test cavity 2 inwall and compacting padded coaming 7 is limited, the wire of sensor 9 must be close to the outer rim of compacting padded coaming 7 and draw from the wire hole 15 of outlet passage 11, in each outlet passage 11, uniform intervals has four wire holes 15, the line of four wire holes 15 is yi word pattern, and the line of four wire holes 15 is vertical with the radial direction of top cover 1.
Described water permeating board 13 is made up of multilamellar rustless steel sintered meshwork superposition, High-Pressure Water can be made to form uniform seepage state, it is prevented that High-Pressure Water directly washes away padded coaming, affects result of the test；The bottom of outlet passage 11 is overlapping to some extent with compacting padded coaming 7, the diameter of water permeating board 13 is slightly less than the diameter of compacting padded coaming 7, and on water permeating board 13, have crescent moon gap 16 avoid sealing-plug, the wire of sensor 9 is drawn from the wire hole 15 of outlet passage 11 through crescent moon gap 16, and crescent moon gap 16 is it can be avoided that affect the extraction of sensor 9 wire.
Above in conjunction with drawings and Examples, the present invention is explained in detail, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, it is also possible under the premise without departing from present inventive concept, make various change.The content not being described in detail in the present invention all can adopt prior art.
Claims (10)
1. one kind is used for padded coaming multi-scenarios method test-bed device, it is characterized in that: this device includes top cover (1), test cavity (2), bottom dolly (5), heating system (6), compacting padded coaming (7), sensor (9), inlet channel (12), water permeating board (13), bottom dolly (5) is provided with heating system (6), heating system (6) is provided with test cavity (2), it is provided with compacting padded coaming (7) in test cavity (2), and leave gap between test cavity (2) inwall and compacting padded coaming (7)；Being provided with sensor (9) in compacting padded coaming (7), test cavity (2) is provided with the top cover (1) drawn by the wire of sensor (9) from its inside；Water permeating board (13) is embedded in top cover (1) bottom, and top cover (1) has the inlet channel (12) communicated with water permeating board (13).
2. one according to claim 1 is used for padded coaming multi-scenarios method test-bed device, it is characterized in that: described heating system (6) top is provided with groove, the bottom internal layer of test cavity (2) is politef (3), and politef (3) is embedded in heating system (6) groove.
3. one according to claim 2 is used for padded coaming multi-scenarios method test-bed device, it is characterised in that: described politef (3) and the outer layer covers stainless steel cask (8) of heating system (6).
4. one according to claim 3 is used for padded coaming multi-scenarios method test-bed device, it is characterised in that: the outer layer covers heat-preserving container (4) of described stainless steel cask (8).
5. one according to claim 4 is used for padded coaming multi-scenarios method test-bed device, it is characterized in that: described several through holes of top cover (1) circumferentially uniform intervals, in each through hole, be respectively embedded with an outlet passage (11) for drawing sensor (9) wire.
6. one according to claim 5 is used for padded coaming multi-scenarios method test-bed device, it is characterised in that: have several wire holes (15) for drawing sensor (9) wire in described outlet passage (11).
7. one according to claim 6 is used for padded coaming multi-scenarios method test-bed device, it is characterized in that: the line of described several wire holes (15) is yi word pattern, and the line of several wire holes (15) is vertical with the radial direction of top cover (1).
8. one according to claim 7 is used for padded coaming multi-scenarios method test-bed device, it is characterised in that: opening several on described water permeating board (13) has several crescent moon gap (16) for drawing sensor (9) wire.
9. one according to claim 8 is used for padded coaming multi-scenarios method test-bed device, it is characterised in that: described including is connected with testing cavity (2) by hex bolts (10) between top cover (1).
10. one according to claim 9 is used for padded coaming multi-scenarios method test-bed device, it is characterised in that: it is connected by bolt (14) between described water permeating board (13) and top cover (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410831824.3A CN105784574B (en) | 2014-12-26 | 2014-12-26 | One kind being used for padded coaming multi- scenarios method test-bed device |
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| CN201410831824.3A CN105784574B (en) | 2014-12-26 | 2014-12-26 | One kind being used for padded coaming multi- scenarios method test-bed device |
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| CN105784574A true CN105784574A (en) | 2016-07-20 |
| CN105784574B CN105784574B (en) | 2019-02-01 |
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Cited By (4)
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| CN108693302A (en) * | 2017-04-07 | 2018-10-23 | 核工业北京地质研究院 | The test method of padded coaming heat-water-power-chemical Coupling test bench for performance |
| CN110274867A (en) * | 2018-03-16 | 2019-09-24 | 中国辐射防护研究院 | A kind of full-scale engineering barrier pilot system of high-level waste geology treatment and method |
| CN111610313A (en) * | 2020-07-03 | 2020-09-01 | 核工业北京地质研究院 | Device and method for testing combined joint healing effect of buffer material building blocks |
| CN111610314A (en) * | 2020-07-03 | 2020-09-01 | 核工业北京地质研究院 | Device and method for testing healing effect of buffer backfill material of high-level disposal warehouse |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108693302A (en) * | 2017-04-07 | 2018-10-23 | 核工业北京地质研究院 | The test method of padded coaming heat-water-power-chemical Coupling test bench for performance |
| CN110274867A (en) * | 2018-03-16 | 2019-09-24 | 中国辐射防护研究院 | A kind of full-scale engineering barrier pilot system of high-level waste geology treatment and method |
| CN111610313A (en) * | 2020-07-03 | 2020-09-01 | 核工业北京地质研究院 | Device and method for testing combined joint healing effect of buffer material building blocks |
| CN111610314A (en) * | 2020-07-03 | 2020-09-01 | 核工业北京地质研究院 | Device and method for testing healing effect of buffer backfill material of high-level disposal warehouse |
| CN111610313B (en) * | 2020-07-03 | 2022-07-22 | 核工业北京地质研究院 | Buffer material building block combination joint healing effect testing device and method |
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| CN105784574B (en) | 2019-02-01 |
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