CN108982227A - Gas testing systems are used in a kind of Engineering Barrier Materials research in geological disposal near field - Google Patents
Gas testing systems are used in a kind of Engineering Barrier Materials research in geological disposal near field Download PDFInfo
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- CN108982227A CN108982227A CN201810634562.XA CN201810634562A CN108982227A CN 108982227 A CN108982227 A CN 108982227A CN 201810634562 A CN201810634562 A CN 201810634562A CN 108982227 A CN108982227 A CN 108982227A
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- canister
- pressure gauge
- flange
- fast joint
- near field
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/006—Investigating resistance of materials to the weather, to corrosion, or to light of metals
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- General Health & Medical Sciences (AREA)
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- General Physics & Mathematics (AREA)
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- Biodiversity & Conservation Biology (AREA)
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- Environmental & Geological Engineering (AREA)
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Abstract
The present invention relates to a kind of geological disposal near field Engineering Barrier Materials research gas testing systems.System includes canister, threeway, pressure gauge and mass spectrograph；The threeway includes directional beacon switch, the first fast joint and the second fast joint, and first fast joint and the second fast joint are welded with the first interface in threeway, second interface respectively；The canister includes valve, and the valve is connect with the first fast joint；The mass spectrometric air inlet capillary is connect with the second fast joint；The pressure gauge is connect with the third interface of the threeway.System of the invention can be used for simulating the research of engineering barrier system Evolution of generation and the consumption of gas under radiation or heat effect near field in high-level radioactive waste geological disposal.
Description
Technical field
The invention belongs to Radwastes treatment disposal technology fields, and in particular to a kind of geological disposal near field engineering barrier
Investigation of materials gas testing systems.
Background technique
In the processing disposition of radioactive waste, the characteristics of due to its own, that is, radioactivity is had, and also with nucleic
The presence of decay heat release.For example, in the deep geological disposal of high-level radioactive waste (HLW), after disposition library is closed, entire work
Journey barrier material (padded coaming and packaging container of metal) is in closed space, and due to the very strong radioactivity of waste body and
Higher radiative decay heat, so Engineering Barrier Materials will be chronically exposed in radiation exposure and high temperature action.For fender
For material, under ray and high temperature action, moisture, the microorganism even padded coaming itself in material can decompose and produce
Raw certain gases；And for packaging container of metal, under above two effect, its corrosion may be accelerated, and one can be consumed by corroding
A little gas (such as O2), it is also possible to generate some gas (such as H2).On the one hand the generation and consumption of gas will affect near field redox
Environment, and then will affect the processes such as nuclein migration；If on the other hand assembling a large amount of gas (especially H near field2), this will
Seriously affect the safety in entire disposition library.Therefore, it is necessary to establish gas testing systems, to study gas under Near Field
Evolution.
Summary of the invention
In view of the deficiencies in the prior art, the object of the present invention is to provide a kind of geological disposal near field engineering barrier materials
Expect research gas testing systems, the Evolution of gas under Hlw Geological Repository Near Field can be studied.
To achieve the above objectives, the technical solution adopted by the present invention is that: a kind of geological disposal near field Engineering Barrier Materials are ground
Study carefully and uses gas testing systems, the system comprises: canister, threeway, pressure gauge and mass spectrograph；
The threeway includes directional beacon switch, the first fast joint and the second fast joint, and first fast joint and second is fastly
Connector is welded with the first interface in threeway, second interface respectively；
The canister includes valve, and the valve is connect with the first fast joint；
The mass spectrometric air inlet capillary is connect with the second fast joint；
The pressure gauge is connect with the third interface of the threeway.
Further, first fast joint matches with the second fast joint.
Further, the canister includes: hollow metal cylinder body, first flange, second flange；
First flange and second flange are mating, have a diameter larger than hollow metal cylinder body, press default spacing set at its edge
Take the hole of installation bolt；
First flange center setting with hollow metal cylinder body in diameter circular hole of the same size, with second flange interface
It is processed close to edge fluted；
Second flange center weld valve is machined with the edge of a knife in position corresponding with first flange groove；
By hollow metal cylinder body, first flange, second flange assembling, to obtain metal containment unit.
Further, the canister further includes a pair of of lifting lug, and the lifting lug is in second flange and is symmetrically distributed in
Valve two sides.
Further, gas test process includes:
Mass spectrograph is first turned on, and carries out the test of background gas；
Then pressure gauge and canister are connected to the test for carrying out pressure in canister using clip；
Mass spectrometric air inlet and pressure gauge are finally connected to clip the test for carrying out gas in canister.
It further, further include that passed examination is carried out to pressure gauge before gas test.
Further, passed examination is carried out to pressure gauge to specifically include:
Pressure gauge, then connect by the gas for squeezing into preset pressure into assembled canister first with canister
Get up, directional beacon is switched and opens canister valve after being directed toward pressure gauge, observes the situation of change of pressure gauge；
If the show value of pressure gauge is reducing always, show gas leakage, it is on the contrary then leakproofness is good.
Effect of the invention is that being had the advantage that using system of the present invention
1) this test macro can be used for the generation and consumption test of Engineering Barrier Materials gas under near field irradiance or heat effect；
2) system can carry out the test of gas under tiny structure and positive pressure；
3) system has very low gas detection to limit the test, it can be achieved that ppb grades of gas；
4) the mass spectrometric air inlet of the system is connected between the gas outlet of canister by fast joint, can be fast implemented not
With the test of gas in container.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of system of the present invention；
Fig. 2 is the structural schematic diagram of one embodiment of canister provided by the invention；
Fig. 3 is the structural schematic diagram of one embodiment of pressure gauge provided by the invention；
Fig. 4 is the structural schematic diagram of one embodiment of mass spectrometric air inlet provided by the invention.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
It will the technical scheme of the embodiment of the invention will be described in further detail in conjunction with attached drawing.Obviously, described embodiment is only
It is a part of the embodiment 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 the scope of protection of the invention.
As shown in Figure 1, Fig. 1 is the structural schematic diagram of one embodiment of system of the present invention, and the system comprises: metal holds
Device 101, threeway 102, pressure gauge 103 and mass spectrograph 104.
Fig. 3 is the structural schematic diagram of one embodiment of pressure gauge provided by the invention, in conjunction with Fig. 1 and Fig. 3 it is found that threeway 102
Including directional beacon switch 1021, the first fast joint 1022 and the second fast joint 1023.First fast joint 1022 and the second fast joint
1023 weld with the first interface 1024 in threeway 102, second interface 1025 respectively.
Obviously, the first fast joint 1022 matches with the second fast joint 1023.
Canister 101 includes valve 1011, and the valve 1011 is connect with the first fast joint 1022.
The air inlet capillary 1041 of mass spectrograph 104 is connect with the second fast joint 1023.
Pressure gauge 103 is connect with the third interface 1026 of threeway 102.
Fig. 2 is the structural schematic diagram of one embodiment of canister provided by the invention, referring to Fig.2, canister 101 wraps
It includes: hollow metal cylinder body 1014, first flange 1012, second flange 1013.
First flange 1012 and second flange 1013 are mating, have a diameter larger than hollow metal cylinder body 1011, at its edge
The mounting hole of installation bolt is extracted by default spacing.
1012 center of first flange setting with the consistent circular hole of 1014 inner diameter size of hollow metal cylinder body, with the second method
Blue 1013 interfaces are processed fluted close to edge.
1013 center weld valve 1011 of second flange is machined with knife in position corresponding with 1012 groove of first flange
Mouthful.
Hollow metal cylinder body 1014, first flange 1012, second flange 1013 are assembled, to obtain metal sealing appearance
Device 101.
Further, in order to more easily move canister 101, canister 101 further includes a pair of of lifting lug 1015, institute
Lifting lug 1015 is stated in second flange 1013 and is symmetrically distributed in 1011 two sides of valve.
The Engineering Barrier Materials research of geological disposal near field is stated in use carries out gas test process with gas testing systems
It specifically includes:
Mass spectrograph 104 is first turned on, and carries out the test of background gas.Do not connect also in mass spectrograph 104 with pressure gauge 103
When logical, tested under experimental situation.
Then pressure gauge 103 and canister 101 are connected to the survey for carrying out pressure in canister 101 using clip
Examination.
Finally the air inlet of mass spectrograph 104 and pressure gauge 103 are connected with clip and carry out gas in canister 101
Test.
It further include that passed examination is carried out to pressure gauge 103 before gas test.Checking process specifically: first to assembling
Canister 101 in squeeze into the gas of preset pressure, then pressure gauge 103 and canister 101 are connected, will be directed toward
It marks after switch 1021 is directed toward pressure gauge 103 and opens 101 valve of canister, observe the situation of change of pressure gauge.If pressure gauge 103
Show value reducing always, then show gas leakage, it is on the contrary then leakproofness is good.
Feature is different from the prior art, gas is used in Engineering Barrier Materials research in a kind of geological disposal near field provided by the invention
Test macro can simulate engineering barrier system gas under radiation or heat effect near field in high-level radioactive waste geological disposal
Generation and consumption law.
It will be understood by those skilled in the art that system of the present invention and system are not limited to institute in specific embodiment
The embodiment stated, specific descriptions above are intended merely to explain the purpose of the present invention, are not intended to limit the present invention.This field skill
Art personnel can derive other implementation manners according to the technical scheme of the present invention, and also belong to the scope of the technical innovation of the present invention, this
The protection scope of invention is defined by the claims and their equivalents.
Claims (7)
1. a kind of geological disposal near field Engineering Barrier Materials research gas testing systems, which is characterized in that the system comprises:
Canister, threeway, pressure gauge and mass spectrograph；
The threeway includes directional beacon switch, the first fast joint and the second fast joint, first fast joint and the second fast joint
It is welded respectively with the first interface in threeway, second interface；
The canister includes valve, and the valve is connect with the first fast joint；
The mass spectrometric air inlet capillary is connect with the second fast joint；
The pressure gauge is connect with the third interface of the threeway.
2. a kind of geological disposal near field Engineering Barrier Materials research gas testing systems according to claim 1, feature
It is,
First fast joint matches with the second fast joint.
3. a kind of geological disposal near field Engineering Barrier Materials research gas testing systems according to claim 1, feature
It is, the canister includes: hollow metal cylinder body, first flange and second flange；
First flange and second flange are mating, have a diameter larger than hollow metal cylinder body, have extracted at its edge by default spacing
The hole of bolt is installed；
The setting of first flange center and diameter circular hole of the same size in hollow metal cylinder body, close with second flange interface
Edge processing is fluted；
Second flange center weld valve is machined with the edge of a knife in position corresponding with first flange groove；
By hollow metal cylinder body, first flange, second flange assembling, to obtain metal containment unit.
4. a kind of geological disposal near field Engineering Barrier Materials research gas testing systems according to claim 3, feature
It is,
The canister further includes a pair of of lifting lug, and the lifting lug is in second flange and is symmetrically distributed in valve two sides.
5. a kind of geological disposal near field Engineering Barrier Materials research gas testing systems according to claim 1, feature
It is, gas test process includes:
Mass spectrograph is first turned on, and carries out the test of background gas；
Then pressure gauge and canister are connected to the test for carrying out pressure in canister using clip；
Mass spectrometric air inlet and pressure gauge are finally connected to clip the test for carrying out gas in canister.
6. a kind of geological disposal near field Engineering Barrier Materials research gas testing systems according to claim 5, feature
It is, further includes that passed examination is carried out to pressure gauge before gas test.
7. a kind of geological disposal near field Engineering Barrier Materials research gas testing systems according to claim 6, feature
It is, passed examination is carried out to pressure gauge and is specifically included:
Pressure gauge, has then connect by the gas for squeezing into preset pressure into assembled canister first with canister
Come, directional beacon is switched and opens canister valve after being directed toward pressure gauge, observes the situation of change of pressure gauge；
If the show value of pressure gauge is reducing always, show gas leakage, it is on the contrary then leakproofness is good.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810634562.XA CN108982227A (en) | 2018-06-20 | 2018-06-20 | Gas testing systems are used in a kind of Engineering Barrier Materials research in geological disposal near field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810634562.XA CN108982227A (en) | 2018-06-20 | 2018-06-20 | Gas testing systems are used in a kind of Engineering Barrier Materials research in geological disposal near field |
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| Publication Number | Publication Date |
|---|---|
| CN108982227A true CN108982227A (en) | 2018-12-11 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810634562.XA Pending CN108982227A (en) | 2018-06-20 | 2018-06-20 | Gas testing systems are used in a kind of Engineering Barrier Materials research in geological disposal near field |
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Citations (7)
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| WO2001096852A1 (en) * | 2000-06-14 | 2001-12-20 | Mitsubishi Heavy Industries, Ltd | Device for detecting chemical substance and method for measuring concentration of chemical substance |
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| CN102735786A (en) * | 2012-06-04 | 2012-10-17 | 云南烟草科学研究院 | Online trapping and analyzing method for benzo[a]pyrene in thermal cracking products, and apparatus thereof |
| CN103207212A (en) * | 2013-03-14 | 2013-07-17 | 东南大学 | Device and method for simulation of pollutant vertical isolation barrier |
| CN103454669A (en) * | 2012-05-28 | 2013-12-18 | 中国原子能科学研究院 | Method for graduating barreled nuclear waste neutron measuring device |
| CN104849386A (en) * | 2015-05-21 | 2015-08-19 | 中华人民共和国南通出入境检验检疫局 | Quick determination method of speciation mercury in liquefied natural gases |
| CN207096165U (en) * | 2017-07-31 | 2018-03-13 | 中国核动力研究设计院 | Mixed gas concentration on-line measurement device |
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2018
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Patent Citations (7)
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|---|---|---|---|---|
| WO2001096852A1 (en) * | 2000-06-14 | 2001-12-20 | Mitsubishi Heavy Industries, Ltd | Device for detecting chemical substance and method for measuring concentration of chemical substance |
| KR100905379B1 (en) * | 2007-11-20 | 2009-07-01 | 한국원자력연구원 | Spent fuel handling devices and encapsulation process system having the same for the geologic disposal |
| CN103454669A (en) * | 2012-05-28 | 2013-12-18 | 中国原子能科学研究院 | Method for graduating barreled nuclear waste neutron measuring device |
| CN102735786A (en) * | 2012-06-04 | 2012-10-17 | 云南烟草科学研究院 | Online trapping and analyzing method for benzo[a]pyrene in thermal cracking products, and apparatus thereof |
| CN103207212A (en) * | 2013-03-14 | 2013-07-17 | 东南大学 | Device and method for simulation of pollutant vertical isolation barrier |
| CN104849386A (en) * | 2015-05-21 | 2015-08-19 | 中华人民共和国南通出入境检验检疫局 | Quick determination method of speciation mercury in liquefied natural gases |
| CN207096165U (en) * | 2017-07-31 | 2018-03-13 | 中国核动力研究设计院 | Mixed gas concentration on-line measurement device |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
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Application publication date: 20181211 |