CN215770541U - Adsorption device suitable for fission product in high-temperature molten salt system - Google Patents
Adsorption device suitable for fission product in high-temperature molten salt system Download PDFInfo
- Publication number
- CN215770541U CN215770541U CN202122283856.2U CN202122283856U CN215770541U CN 215770541 U CN215770541 U CN 215770541U CN 202122283856 U CN202122283856 U CN 202122283856U CN 215770541 U CN215770541 U CN 215770541U
- Authority
- CN
- China
- Prior art keywords
- adsorption
- tray
- top cover
- top surface
- adsorption device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model provides an adsorption device suitable for fission products in a high-temperature molten salt system, which comprises: the top of the reaction kettle is provided with an opening, and a crucible for loading molten salt is arranged at the bottom in the reaction kettle; an adsorption device body insertable into the reaction vessel from a top opening thereof, comprising: a top cover having a horizontally extending top surface and a flange extending downwardly from an outer periphery of said top surface, said top surface having a ball set screw mounted thereon extending therethrough; a bracket extending vertically downward from the bottom of the top cover; a tray formed at the bottom of the bracket; the screen is arranged on the tray and used for bearing adsorbing materials; and a swivel handle connected above the top surface of the top cap. The adsorption device provided by the utility model is suitable for a high-temperature corrosion environment, can be repeatedly used, is convenient to assemble and disassemble adsorption materials of different types, is convenient for real-time sampling, is convenient to operate, and has strong practicability.
Description
Technical Field
The utility model relates to the field of fission product adsorption devices, in particular to an adsorption device suitable for fission products in a high-temperature molten salt system.
Background
A certain amount of spent fuel is produced during the operation of a reactor nuclear power plant, which fuel contains, in addition to unburnt nuclear fuel, a large amount of valuable fission products. The recycling of useful components is a problem because the spent fuel is complex and has large differences in the physicochemical properties of the components. In recent years, dry post-treatment technology is considered as a very promising post-treatment method for spent fuel, and mainly comprises methods such as reduced pressure distillation, electrochemical separation, precipitation, adsorption separation and the like. The adsorption method is widely concerned because the device is simple and convenient to operate, and the principle of the adsorption method mainly depends on various porous adsorption materials to adsorb specific ions through physical or chemical action so as to achieve the purpose of separating and removing fission products.
The single or multi-component inorganic salt can be melted into liquid at high temperature, has stable property, low vapor pressure and low viscosity, has higher heat capacity and good electrical conductivity, and is very favorable for being used as a solvent of nuclear fuel. At present, the carrier salts used for dry aftertreatment are generally high-temperature melting inorganic salts. For the fourth generation advanced reactor liquid Molten Salt Reactors (MSRs), in particular where the fuel salt is a high temperature liquid fluoride molten salt, an important principle in handling spent fuel in liquid molten salt reactors is to remove fission products as much as possible in the high temperature molten salt so that nuclear fuel as well as carrier salts can be recovered. Therefore, the research on the adsorption behavior of different adsorption materials on the cracking products in the high-temperature liquid molten salt environment is of great significance. However, since the molten salt in a high-temperature molten state has a certain corrosiveness, it is difficult to directly load and unload the adsorbing material and obtain a molten salt sample by a conventional means. In addition, for further analysis, the adsorption material and the molten salt system are easy to separate without introducing impurities, and the cyclic utilization of the adsorption material is facilitated.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an adsorption device suitable for fission products in a high-temperature molten salt system, so that the problem that a device capable of effectively adsorbing the fission products in a high-temperature liquid molten salt environment is lacked in the prior art is solved.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides an adsorption equipment who is applicable to fission product in high temperature molten salt system, includes: the top of the reaction kettle is provided with an opening, and a crucible for loading molten salt is arranged at the bottom in the reaction kettle; an adsorption device body insertable into the reaction vessel from a top opening thereof, comprising: a top cover having a horizontally extending top surface and a flange extending downwardly from an outer periphery of said top surface, said top surface having a ball set screw mounted thereon extending therethrough; a bracket extending vertically downward from the bottom of the top cover; a tray formed at the bottom of the bracket; the screen is arranged on the tray and used for bearing adsorbing materials; and a swivel handle connected above the top surface of the top cap; wherein, will when the adsorption equipment main part inserts from reation kettle's open-top, the top cap with reation kettle's top size cooperation realizes the rotation of whole adsorption equipment main part relative reation kettle under the drive of twist grip and the supplementary of ball holding screw, through adsorption material on the tray is right fission product in the fused salt adsorbs.
Preferably, the flange of the top cover is provided with welding nuts uniformly arranged along the circumferential direction, and the welding nuts are used for keeping the main body of the adsorption device stable.
Preferably, the ball set screws are symmetrically distributed on the top surface of the top cover centering on the center of the top cover.
Preferably, the tray is of a hollow-out annular structure.
Preferably, the screen mesh further comprises a pressing sheet for fixing the screen mesh in the tray, and the pressing sheet has a circular ring-shaped structure.
Preferably, the top cover, the pressing sheet, the bracket, the crucible, the tray and the screen are all made of high-temperature-resistant metallic nickel materials.
Preferably, the bracket is welded to the bottom of the top cover.
Preferably, a sampling port is further arranged on the top cover.
Preferably, the reaction kettle is heated by an external heat source.
Preferably, the external heat source is a resistance furnace having a heating chamber.
According to the adsorption device provided by the utility model, the adsorption device mainly comprises a reaction kettle and an adsorption device main body, and after the adsorption material is loaded on the adsorption device main body, the adsorption device main body is inserted into the reaction kettle from the upper part, so that the adsorption material is immersed into high-temperature liquid molten salt, and the adsorption and separation of fission products under a high-temperature liquid molten salt system can be realized. In the experimentation, utilize the quartz capsule to absorb the fused salt sample through the sample connection of device top and can carry out real-time supervision, still can realize the stirring operation of absorption in-process simultaneously through the rotatory handle of rotary device top. After the experiment, make adsorbing material and fused salt separation through promoting the adsorption equipment main part, still can unload and retrieve adsorbing material.
In conclusion, the utility model provides the adsorption device suitable for the fission product in the high-temperature molten salt system, the device is not only suitable for the high-temperature corrosion environment, but also can be repeatedly used, is convenient for loading and unloading various adsorption materials, is convenient to operate and strong in practicability, and effectively solves the problem of adsorbing the fission product in the high-temperature liquid molten salt environment.
Drawings
Fig. 1 is a schematic view of the overall structure of an adsorption apparatus according to a preferred embodiment of the present invention;
FIG. 2 is a top view of the adsorption device shown in FIG. 1;
fig. 3 is a plan view of the bottom of the main body of the adsorption device.
Detailed Description
The present invention will be further described with reference to the following specific examples. It should be understood that the following examples are illustrative only and are not intended to limit the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
As shown in fig. 1, an adsorption apparatus according to a preferred embodiment of the present invention is particularly suitable for recovering fission products in a high-temperature molten salt system, and the adsorption apparatus mainly includes: the adsorption device comprises an adsorption device body 100 and a reaction kettle 200. Wherein the adsorption apparatus main body 100 includes: sample connection 1, top cap 2, ball holding screw 3, weld nut 4, twist grip 5, preforming 6, support 7, tray 9, screen cloth 10. A crucible 8 for placing molten salt is arranged at the bottom in the reaction kettle 200.
Referring to fig. 1 and 2, the top cover 2 has a top surface 21 extending horizontally and a flange 22 extending downward from the outer periphery of the top surface 21, and when the adsorption apparatus body 100 is inserted from the top opening of the reaction vessel 200, the top cover 2 is adapted to the top size of the reaction vessel 200.
Referring to fig. 1 and 2, the sampling port 1 is disposed at a central position of the top cover 2, so as to facilitate real-time sampling through a quartz tube during the adsorption process; the four ball set screws 3 are symmetrically arranged on the top surface 21 through the top surface 21 so as to assist the rotation of the adsorption device body 100; the weld nuts 4 are four in total, and are respectively arranged on the flange 22 of the top cover 2 along the circumferential direction symmetrically so as to keep the whole adsorption device main body 100 stable. The rotating handle 5 is attached above the top surface 21 of the top cover 2 so as to facilitate the overall rotation of the suction device body 100 by manual operation.
It should be understood, however, that the number of ball set screws 3 and weld nuts 4 is not limited to four, and that other numbers may be used depending on the actual requirements.
As shown in fig. 1, the support 7 extends vertically downward from the bottom of the top cover 2, and according to the preferred embodiment, the support 7 is two arc-shaped sheets which are symmetrical left and right and are used for connecting the top cover 2 and the tray 9, and plays a supporting role in the whole adsorption device main body 100.
As shown in fig. 3, the bottom of the tray 9 is a hollow circular ring structure, the pressing sheet 6 is also a substantially circular ring structure, and the sieve 10 is clamped in the tray 9 by the presser foot 61, so as to bear the adsorbent. The screen 10 with a proper mesh number can be selected according to the particle size of different types of adsorption materials.
According to a preferred embodiment of the present invention, the top cover 2, the tablet 6, the support 7, the crucible 8, the tray 9 and the screen 10 are made of high temperature resistant metallic nickel, particularly 201 nickel, and the reaction vessel 200 is made of 316 stainless steel material.
According to a preferred embodiment of the utility model, the wall thickness of the tray 9 is 2mm and the thickness of the pellet 6 is 2 mm.
According to a preferred embodiment of the utility model, the sampling opening 1 has an inner diameter of 6 mm.
According to a preferred embodiment of the utility model, the use of the adsorption device is as follows:
firstly, a certain mass of molten salt is loaded into the crucible 8, and the temperature of the reaction kettle 200 is raised by using an external heat source, such as a resistance furnace;
cutting the screen mesh 10 to match with the size of the tray 9, then loading the pressing sheet 6 into the tray 9, tightly clamping the four pressing feet on the inner wall of the tray 9 to fix the screen mesh 10, and loading the adsorbing material into the tray 9 after the installation to form an adsorbing device main body 100;
after the molten salt in the crucible 8 is melted and stabilized, the whole adsorption device main body 100 and the adsorption material are lifted into the reaction kettle 200 by using the rotary handle 5, the four welding nuts 4 are screwed, the top cover 2 is fixed with the side surface of the top of the reaction kettle 200, and the four ball fastening screws 3 are properly tightened and loosened, so that the adsorption device main body 100 is ensured to be tightly attached to the reaction kettle 200, and meanwhile, the horizontal state can be maintained and the adsorption material can freely rotate, and at the moment, the adsorption material is completely immersed in the liquid molten salt;
so far, the adsorption device main body 100 is completely installed in the reaction kettle 200, the whole adsorption device main body 100 can be driven to horizontally rotate relative to the reaction kettle 200 by rotating the handle 5 in the experimental process, the sampling of the sample can be realized through the sampling port 1, and the reaction process can be monitored in real time;
after the adsorption reaction is completed, the adsorption device is disassembled, the welding nut 4 is unscrewed, the rotating handle 5 is held and lifted upwards, the adsorption device main body 100 and the reaction kettle 200 can be separated, and then the crucible 8 is taken out of the reaction kettle 200, so that the whole adsorption device is unloaded.
The above embodiments are merely preferred embodiments of the present invention, which are not intended to limit the scope of the present invention, and various changes may be made in the above embodiments of the present invention. All simple and equivalent changes and modifications made according to the claims and the content of the specification of the present application fall within the scope of the claims of the present patent application. The utility model has not been described in detail in order to avoid obscuring the utility model.
Claims (10)
1. An adsorption apparatus for fission products in a high temperature molten salt system, comprising:
the top of the reaction kettle is provided with an opening, and a crucible for loading molten salt is arranged at the bottom in the reaction kettle;
an adsorption device body insertable into the reaction vessel from a top opening thereof, comprising:
a top cover having a horizontally extending top surface and a flange extending downwardly from an outer periphery of said top surface, said top surface having a ball set screw mounted thereon extending therethrough;
a bracket extending vertically downward from the bottom of the top cover;
a tray formed at the bottom of the bracket;
the screen is arranged on the tray and used for bearing adsorbing materials; and
a swivel handle connected above a top surface of the top cap;
wherein, will the adsorption equipment main part from when reation kettle's open-top was inserted, the top cap with reation kettle's top size cooperation realize the rotation of whole adsorption equipment main part relative reation kettle under the drive of twist grip and under the assistance of ball holding screw, through adsorption material on the tray is to fission product in the fused salt adsorbs.
2. The suction device as claimed in claim 1, wherein the flange of the top cover is provided with weld nuts uniformly arranged along the circumferential direction for maintaining the stability of the suction device body.
3. The suction device as claimed in claim 1, wherein the ball set screws are symmetrically distributed on the top surface of the top cover centering on the center of the top cover.
4. The adsorption device according to claim 1, wherein the tray is a hollow-out ring-shaped structure.
5. The suction device as claimed in claim 4, further comprising a pressing piece for fixing the screen in the tray, the pressing piece having a ring-shaped structure.
6. The sorption arrangement of claim 5, wherein the top cover, the tablet, the holder, the crucible, the tray, and the screen are made of a high temperature resistant metallic nickel material.
7. The suction device of claim 1, wherein the bracket is welded to the bottom of the top cover.
8. The adsorption device of claim 1, wherein the top cap further comprises a sampling port.
9. The adsorption device of claim 1, wherein the reaction vessel is heated by an external heat source.
10. The sorption arrangement of claim 9, wherein the external heat source is a resistance furnace having a heating chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122283856.2U CN215770541U (en) | 2021-09-18 | 2021-09-18 | Adsorption device suitable for fission product in high-temperature molten salt system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122283856.2U CN215770541U (en) | 2021-09-18 | 2021-09-18 | Adsorption device suitable for fission product in high-temperature molten salt system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215770541U true CN215770541U (en) | 2022-02-08 |
Family
ID=80089434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122283856.2U Active CN215770541U (en) | 2021-09-18 | 2021-09-18 | Adsorption device suitable for fission product in high-temperature molten salt system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215770541U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11931763B2 (en) | 2019-11-08 | 2024-03-19 | Abilene Christian University | Identifying and quantifying components in a high-melting-point liquid |
| US12012827B1 (en) | 2023-09-11 | 2024-06-18 | Natura Resources LLC | Nuclear reactor integrated oil and gas production systems and methods of operation |
| US12018779B2 (en) | 2021-09-21 | 2024-06-25 | Abilene Christian University | Stabilizing face ring joint flange and assembly thereof |
-
2021
- 2021-09-18 CN CN202122283856.2U patent/CN215770541U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11931763B2 (en) | 2019-11-08 | 2024-03-19 | Abilene Christian University | Identifying and quantifying components in a high-melting-point liquid |
| US12018779B2 (en) | 2021-09-21 | 2024-06-25 | Abilene Christian University | Stabilizing face ring joint flange and assembly thereof |
| US12012827B1 (en) | 2023-09-11 | 2024-06-18 | Natura Resources LLC | Nuclear reactor integrated oil and gas production systems and methods of operation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215770541U (en) | Adsorption device suitable for fission product in high-temperature molten salt system | |
| CN110282614A (en) | A kind of system and method being carried out continuously Purification of Carbon Nanotubes | |
| CN103436904A (en) | Method for preparing carbide derived carbon by fused salt electrolysis method | |
| CN213570665U (en) | Device for recovering platinum from waste platinum catalyst | |
| CN218097186U (en) | Device for treating low-vanadium titanium aluminum waste and preparing high-quality aluminum | |
| JP5590527B2 (en) | Molybdenum recovery from technetium 99m generator | |
| CN116253295A (en) | Preparation method of ultra-pure semiconductor grade sulfuric acid | |
| CN102557076A (en) | Method for producing electronic-grade ammonium fluoride water solution | |
| CN108620035A (en) | A kind of the removal adsorbent and its application process of nucleic uranium | |
| CN212369722U (en) | Filter for alcohol analysis tower | |
| CN210905038U (en) | Copper sulfate purification and crystallization device | |
| CN110541076B (en) | Reactor for leaching metals in solid waste and leaching method | |
| CN104383789B (en) | Industrial tail gas treatment complete equipment of carbon fiber reinforced graphite | |
| CN108624913B (en) | Process for purifying industrial sodium into high-purity sodium by melting electrolysis | |
| CN218423351U (en) | Skid-mounted battery slurry high-flow iron removal filter | |
| CN111760326A (en) | Prevent blockking up chinese-medicinal material distillation preparation device | |
| CN207891287U (en) | A kind of catalyst mother liquor comprehensive recycling device in propenecarbonyl | |
| CN213643155U (en) | Rotary evaporator for chemistry experiments | |
| CN212532388U (en) | Experimental electrolytic device that uses | |
| CN107955038A (en) | Catalyst mother liquor comprehensive reutilization method and device in a kind of propenecarbonyl | |
| CN103526036B (en) | Vertical efficient vacuum distillation system for removing impurities from indium | |
| CN217041403U (en) | Ethylene carbonate purification device | |
| CN212328356U (en) | Water bath pot heated uniformly | |
| CN218596578U (en) | Crystal treatment and purification device used after preparation of black phosphorus crystal | |
| CN114197030B (en) | Preparation method of lithium hydride single crystal and device used in preparation method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |