CN110530805A - High-temperature molten salt spectrophotometry device - Google Patents
High-temperature molten salt spectrophotometry device Download PDFInfo
- Publication number
- CN110530805A CN110530805A CN201910747210.XA CN201910747210A CN110530805A CN 110530805 A CN110530805 A CN 110530805A CN 201910747210 A CN201910747210 A CN 201910747210A CN 110530805 A CN110530805 A CN 110530805A
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- molten salt
- channel
- temperature molten
- burner hearth
- spectrophotometry device
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- 150000003839 salts Chemical class 0.000 title claims abstract description 32
- 238000002798 spectrophotometry method Methods 0.000 title claims abstract description 27
- 230000003287 optical effect Effects 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 4
- 229910052594 sapphire Inorganic materials 0.000 claims description 4
- 239000010980 sapphire Substances 0.000 claims description 4
- 239000013307 optical fiber Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000011261 inert gas Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 28
- 230000008569 process Effects 0.000 description 15
- 230000003595 spectral effect Effects 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000011065 in-situ storage Methods 0.000 description 5
- 238000001228 spectrum Methods 0.000 description 5
- 239000002915 spent fuel radioactive waste Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 229910052778 Plutonium Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000012805 post-processing Methods 0.000 description 2
- 238000004566 IR spectroscopy Methods 0.000 description 1
- 238000001237 Raman spectrum Methods 0.000 description 1
- 238000002083 X-ray spectrum Methods 0.000 description 1
- 238000004847 absorption spectroscopy Methods 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 150000001257 actinium Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000002848 electrochemical method Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 230000026030 halogenation Effects 0.000 description 1
- 238000005658 halogenation reaction Methods 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002329 infrared spectrum Methods 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000003758 nuclear fuel Substances 0.000 description 1
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000002211 ultraviolet spectrum Methods 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/3103—Atomic absorption analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N2021/0106—General arrangement of respective parts
- G01N2021/0112—Apparatus in one mechanical, optical or electronic block
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/3103—Atomic absorption analysis
- G01N2021/3114—Multi-element AAS arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N2021/3129—Determining multicomponents by multiwavelength light
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The present invention relates to high-temperature molten salt spectrophotometry devices, including glove box and burner hearth;The burner hearth is set to the glove box bottom;Optical channel is provided on the burner hearth.Beneficial effects of the present invention are as follows: the present invention forms atmosphere of inert gases by glove box, guarantees the hot environment of sample by burner hearth, then carry out spectroscopic measurements by light splitting channel, can be realized the spectrophotometry of molten salt sample under high temperature closure environment.
Description
Technical field
The invention belongs to nuclear industry fields, and in particular to a kind of high-temperature molten salt spectrophotometry device.
Background technique
In advanced nuclear fuel cycle, committed step is the thermal reactor spentnuclear fuel, fast reactor spentnuclear fuel or transmuting system to high burnup
U, Pu and MA after system irradiation in target piece are separated.High burnup, height are irradiated, the fuel of the high amount containing plutonium, dry method spentnuclear fuel
Post-processing technology has unrivaled advantage relative to water law post-processing, thus, the processing of this class A fuel A is needed to use
Dry method process.Typical dry method process has pyrometallurgical method, pyrochemical process and three kinds of halogenation volatility process, wherein being based on high temperature melting
The electrochemistry process of salt is the dry method process of current most prospects for commercial application.The technology controlling and process of high-temperature molten salt process is technique
The important link of research due to the particularity of dry method last handling process, thus more pursues its technology controlling and process in-situ control point
Analysis can reflect material information to monitor technical process in real time more in time, and realization is precisely controlled process.
And currently, lacking the dress that can really post-process the in-situ study technical research in process to spentnuclear fuel high-temperature molten salt
It sets.
In view of this, the present invention is specifically proposed.
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 high-temperature molten salt spectrophotometry dresses
It sets, at least can be realized the spectrophotometry of molten salt sample under high temperature closure environment.
Technical scheme is as follows:
High-temperature molten salt spectrophotometry device, including glove box and burner hearth;The burner hearth is set to the glove box bottom
Portion;Optical channel is provided on the burner hearth.
Further, above-mentioned high-temperature molten salt spectrophotometry device, the optical channel end are close by sapphire
Envelope is to form optical window.
Further, above-mentioned high-temperature molten salt spectrophotometry device, the optical channel includes Vertical Channel and water
Flat channel;The Vertical Channel and horizontal channel communicate.
Further, above-mentioned high-temperature molten salt spectrophotometry device, the horizontal channel are provided at least two, institute
Horizontal channel is stated to communicate with same Vertical Channel.
Further, above-mentioned high-temperature molten salt spectrophotometry device, there are four the horizontal channel settings, adjacent
Angle is 90 ° between horizontal channel.
Further, above-mentioned high-temperature molten salt spectrophotometry device, is provided with water between the glove box and burner hearth
Cold set.
Further, above-mentioned high-temperature molten salt spectrophotometry device is provided with recirculated water cooling at the optical window
Component.
Further, above-mentioned high-temperature molten salt spectrophotometry device is fixed with screw channel on the optical window
In order to optical fiber connection.
Beneficial effects of the present invention are as follows:
The present invention forms atmosphere of inert gases by glove box, guarantees the hot environment of sample by burner hearth, then by dividing
Optical channel carries out spectroscopic measurements, can be realized the spectrophotometry of molten salt sample under high temperature closure environment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of high-temperature molten salt spectrophotometry device of the invention.
Fig. 2 is the structural schematic diagram of optical channel in the present invention.
In above-mentioned attached drawing, 1, glove box;2, burner hearth;3, water-cooled jacket;4, optical window;5, Vertical Channel;6, horizontal channel;
7, screw channel.
Specific embodiment
The present invention is described in detail below with reference to the accompanying drawings and embodiments.
The combination of spectral technique and electrochemical process, which makes spectroelectrochemistry technology both, has the high-energy high score of spectral technique
Resolution feature has the characteristics that Electrochemical Measurement Technology high sensitivity, especially electrochemical in-situ spectral technique again, by initially using
In obtaining static spectrum development as acquisition dynamic spectrum, allows one to dynamic in an experiment and obtains optical signalling and electrical signal,
Make that unstable intermediate product is identified, captured from molecular level, research Reaction Mechanisms, electrochemical interface dynamics etc. become
It may.Electrochemical in-situ spectrum relates to ultraviolet and visible spectrum, infrared spectroscopy Raman spectrum electronics and ion power spectrum, magnetic resonance
Numerous spectral investigation fields such as spectrum, X-ray spectrum.
Actinium series and lanthanide series due to its f-f orbital electron transition so that it has in ultraviolet-visible-near infrared region
Special absorption spectrum can be used absorption spectroscopy techniques combination high-temperature molten salt electrochemical process and carry out in-situ control analysis.
According to the studies above, high-temperature molten salt spectrophotometry device of the invention is as shown in Figure 1, include 1 He of glove box
Burner hearth 2;The burner hearth 2 is set to 1 bottom of glove box;Optical channel is provided on the burner hearth 2.Optical channel end is logical
Sapphire seal is crossed to form optical window 4.In this way, being avoided that impurity etc. to spectroscopic measurements by sapphire superior optics
Influence, facilitate promoted measurement result levels of precision.Recirculated water cooling component is provided at optical window 4, for by following
The cooling optical window 4 of ring water influences to avoid the high temperature in burner hearth 2.Water-cooled jacket 3 can be set between glove box 1 and burner hearth 2,
Prevent the hot environment of burner hearth 2 from keeping temperature in glove box 1 excessively high.
As shown in Fig. 2, optical channel includes Vertical Channel 5 and horizontal channel 6;6 phase of the Vertical Channel 5 and horizontal channel
It is logical.Horizontal channel 6 is used for absorptiometry, and Vertical Channel 5 is used for fluorescence spectral measuring.Horizontal channel 6 is provided at least two, institute
Horizontal channel 6 is stated to communicate with same Vertical Channel 5.In the present embodiment, there are four the settings of horizontal channel 6, and adjacent level is logical
Angle is 90 ° between road 6.In this way, four horizontal channels 6 correspond to two-by-two, be fixed on optical window 4 screw channel 7 in order to
Optical fiber connection.Screw channel 7 is preferably the screw channel 7 that can connect SMA905 interface.
The high-temperature molten salt spectrophotometry device of the present embodiment is in use, be mounted on passway for SMA905 optical lens
On, the silica fibre and halogen tungsten lamp light source of 400 μm of connection are surveyed using the spectral signal that visible-near-infrared spectrum instrument carries out device
Amount.According to measurement result, which has preferable optical measurement characteristic, can realize that spectral signal is adopted in the light path of 50cm
Collection, and signal strength reaches 60000 countings, can be used for the optical measurement of sample during high-temperature molten salt.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.If in this way, belonging to the model of the claims in the present invention and its equivalent technology to these modifications and changes of the present invention
Within enclosing, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. high-temperature molten salt spectrophotometry device, which is characterized in that including glove box and burner hearth;The burner hearth is set to described
Glove box bottom;Optical channel is provided on the burner hearth.
2. high-temperature molten salt spectrophotometry device as described in claim 1, which is characterized in that the optical channel end is logical
Sapphire seal is crossed to form optical window.
3. high-temperature molten salt spectrophotometry device as claimed in claim 2, which is characterized in that the optical channel includes perpendicular
Straight channel and horizontal channel;The Vertical Channel and horizontal channel communicate.
4. high-temperature molten salt spectrophotometry device as claimed in claim 3, which is characterized in that the horizontal channel is provided with
At least two, the horizontal channel is communicated with same Vertical Channel.
5. high-temperature molten salt spectrophotometry device as claimed in claim 4, which is characterized in that the horizontal channel is provided with
Four, angle is 90 ° between adjacent horizontal channel.
6. the high-temperature molten salt spectrophotometry device as described in claim 2-5 is any, which is characterized in that the glove box and
Water-cooled jacket is provided between burner hearth.
7. high-temperature molten salt spectrophotometry device as claimed in claim 6, which is characterized in that be arranged at the optical window
There is recirculated water cooling component.
8. high-temperature molten salt spectrophotometry device as claimed in claim 7, which is characterized in that fixed on the optical window
There is screw channel in order to optical fiber connection.
Priority Applications (1)
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CN201910747210.XA CN110530805A (en) | 2019-08-14 | 2019-08-14 | High-temperature molten salt spectrophotometry device |
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CN201910747210.XA CN110530805A (en) | 2019-08-14 | 2019-08-14 | High-temperature molten salt spectrophotometry device |
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CN110530805A true CN110530805A (en) | 2019-12-03 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111879911A (en) * | 2020-06-15 | 2020-11-03 | 中国原子能科学研究院 | Experimental device for static compatibility of liquid metal |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105092508A (en) * | 2015-07-20 | 2015-11-25 | 中国科学院上海应用物理研究所 | Comprehensive spectrometer |
CN105333974A (en) * | 2015-12-08 | 2016-02-17 | 中国航空工业集团公司北京长城计量测试技术研究所 | Double-screen air suction type sapphire optical fiber high temperature sensor |
CN107941751A (en) * | 2017-12-28 | 2018-04-20 | 南京科远自动化集团股份有限公司 | The laser sensing method and laser sensor arrangements of a kind of high temperature process furnances |
CN107941667A (en) * | 2017-11-03 | 2018-04-20 | 中国神华能源股份有限公司 | Hot environment Dual-Phrase Distribution of Gas olid multiparameter measuring device and method |
-
2019
- 2019-08-14 CN CN201910747210.XA patent/CN110530805A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105092508A (en) * | 2015-07-20 | 2015-11-25 | 中国科学院上海应用物理研究所 | Comprehensive spectrometer |
CN105333974A (en) * | 2015-12-08 | 2016-02-17 | 中国航空工业集团公司北京长城计量测试技术研究所 | Double-screen air suction type sapphire optical fiber high temperature sensor |
CN107941667A (en) * | 2017-11-03 | 2018-04-20 | 中国神华能源股份有限公司 | Hot environment Dual-Phrase Distribution of Gas olid multiparameter measuring device and method |
CN107941751A (en) * | 2017-12-28 | 2018-04-20 | 南京科远自动化集团股份有限公司 | The laser sensing method and laser sensor arrangements of a kind of high temperature process furnances |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111879911A (en) * | 2020-06-15 | 2020-11-03 | 中国原子能科学研究院 | Experimental device for static compatibility of liquid metal |
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Application publication date: 20191203 |