CN220327986U - Automatic extraction experimental device - Google Patents
Automatic extraction experimental device Download PDFInfo
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- CN220327986U CN220327986U CN202321493821.4U CN202321493821U CN220327986U CN 220327986 U CN220327986 U CN 220327986U CN 202321493821 U CN202321493821 U CN 202321493821U CN 220327986 U CN220327986 U CN 220327986U
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- 238000000605 extraction Methods 0.000 title claims abstract description 109
- 238000003756 stirring Methods 0.000 claims abstract description 84
- 239000011324 bead Substances 0.000 claims abstract description 52
- 239000000725 suspension Substances 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 230000007246 mechanism Effects 0.000 claims abstract description 21
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 8
- -1 polytetrafluoroethylene Polymers 0.000 claims description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 7
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 11
- 238000000622 liquid--liquid extraction Methods 0.000 abstract description 4
- 238000000638 solvent extraction Methods 0.000 abstract description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 49
- 238000000034 method Methods 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
- 238000000429 assembly Methods 0.000 description 5
- 230000000712 assembly Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003556 assay Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003891 environmental analysis Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013076 target substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The utility model relates to the technical field of liquid-liquid extraction, in particular to an automatic extraction experimental device. The automatic extraction experimental device comprises an extraction structure, a stirring structure and suspension beads, wherein the extraction structure is provided with a chamber for containing solution; the stirring structure comprises a driving mechanism and a stirring piece, the driving mechanism is connected with the stirring piece, the driving mechanism can drive the stirring piece to rotate, the stirring structure is arranged on the extraction structure, and the stirring piece stretches into the cavity; the maximum diameter of the suspended beads is larger than the diameter of the solution outlet of the extraction structure, the density of the suspended beads is larger than the density of the solution, and the density of the suspended beads is smaller than the density of the extraction liquid. Through setting up suspension pearl, suspension pearl can suspend between water and extract, along with the extract flows out, suspension pearl descends, until the extract totally flows out, suspension pearl blocks up the solution export, prevents that water from flowing out, realizes separating the extract under need not artificial intervention.
Description
Technical Field
The utility model relates to the technical field of liquid-liquid extraction, in particular to an automatic extraction experimental device.
Background
Liquid-liquid extraction is a common sample pretreatment method for analyzing organic pollutants in a water sample, and is based on the difference of partition coefficients of solutes in two mutually-insoluble liquids to realize separation and concentration of target substances. Liquid-liquid extraction has wide application in the fields of environmental analysis, chemical industry, medicine, food safety and the like.
In the field of environmental monitoring, when testing semi-volatile organic compounds in wastewater, a meteorological chromatography-mass spectrometry method is used, before a sample is put on the machine, a dichloromethane is usually required to be used for extracting a wastewater sample, and part of the sample is further required to be concentrated. The common extraction steps are adding wastewater and methylene dichloride into a separating funnel, mixing uniformly, deflating and manually oscillating. After the extraction work is finished, when the extraction liquid is extracted, because the extraction device contains two mutually incompatible liquids, the extraction liquid is required to be manually extracted by an experimenter, and the extraction liquid is separated out, so that the body health of the experimenter can be influenced by long-time contact of toxic liquid and harmful gas.
Therefore, an automatic extraction experimental device is needed to solve the above technical problems.
Disclosure of Invention
The utility model aims to provide an automatic extraction experimental device which can automatically separate extraction liquid.
To achieve the purpose, the utility model adopts the following technical scheme:
an automated extraction assay apparatus comprising:
an extraction structure forming a chamber containing a solution;
the stirring structure comprises a driving mechanism and a stirring piece, the driving mechanism is connected with the stirring piece, the driving mechanism can drive the stirring piece to rotate, the stirring structure is arranged on the extraction structure, and the stirring piece stretches into the cavity;
the maximum diameter of the suspended beads is larger than the diameter of a solution outlet of the extraction structure, the density of the suspended beads is larger than the density of the solution, and the density of the suspended beads is smaller than the density of the extraction liquid.
As a preferable technical scheme of the automatic extraction experimental device, the suspension beads are glass beads.
As a preferable technical scheme of the automatic extraction experimental device, the suspension beads are of hollow structures.
As a preferred technical scheme of the automatic extraction experimental device, the extraction structure is a glass workpiece and comprises a first working part and a second working part, wherein the first working part is cylindrical, the second working part is funnel-shaped, the first working part is connected with one end of the second working part, and the stirring structure is connected with the other end of the first working part.
As a preferable technical scheme of the automatic extraction experimental device, an air vent is arranged at the upper part of the side wall of the first working part.
As an optimized technical scheme of the automatic extraction experimental device, the solution outlet is formed in the bottom of the second working part, the opening and closing valve is arranged at the closing position of the funnel of the second working part, and the opening and closing valve can be completely moved out.
As a preferable technical scheme of the automatic extraction experimental device, the switch valve and the stirring piece are made of polytetrafluoroethylene.
As a preferred technical scheme of the automatic extraction experimental device, the stirring structure further comprises a shell and a display screen, wherein the display screen is arranged on the shell, the shell is arranged on the extraction structure, and the display screen is electrically connected with the driving mechanism.
As a preferred technical scheme of above-mentioned automatic extraction experimental apparatus, stirring structure still includes lifting unit, lifting unit includes drive division, telescoping portion and base, drive division with the telescoping portion is connected, the telescoping portion with casing fixed connection, the base is installed in the iron stand platform.
As a preferable technical scheme of the automatic extraction experimental device, the automatic extraction experimental device further comprises a fixing component for supporting the extraction structure.
The utility model has the beneficial effects that: the automatic extraction experimental device provided by the utility model comprises an extraction structure, a stirring structure and suspension beads, wherein the extraction structure is provided with a chamber for accommodating solution; the stirring structure comprises a driving mechanism and a stirring piece, the driving mechanism is connected with the stirring piece, the driving mechanism can drive the stirring piece to rotate, the stirring structure is arranged on the extraction structure, and the stirring piece stretches into the cavity; the maximum diameter of the suspended beads is larger than the diameter of the solution outlet of the extraction structure, the density of the suspended beads is larger than the density of the solution, and the density of the suspended beads is smaller than the density of the extraction liquid. Through setting up suspension pearl, suspension pearl can suspend between water and extract, along with the extract flows out, suspension pearl descends, until the extract totally flows out, suspension pearl blocks up the solution export, prevents that water from flowing out, realizes separating the extract under need not artificial intervention.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following description will briefly explain the drawings needed in the description of the embodiments of the present utility model, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the contents of the embodiments of the present utility model and these drawings without inventive effort for those skilled in the art.
FIG. 1 is a schematic diagram of an automatic extraction experimental apparatus according to an embodiment of the present utility model;
FIG. 2 is a schematic diagram of an extraction structure according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a stirring structure according to an embodiment of the present utility model.
In the figure:
1. a housing; 11. an adjustment knob; 12. an adjustment button; 13. a display screen; 14. a mounting hole;
2. a stirring member;
3. suspending the beads;
4. a first working section; 41. an exhaust hole;
5. a second working section; 51. A switch valve;
6. a lifting assembly; 61. A telescopic part; 62. A base;
7. an iron stand;
8. and fixing the assembly.
Detailed Description
The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
As shown in fig. 1 to 3, the present utility model provides an automatic extraction experimental apparatus including an extraction structure, a stirring structure, and suspension beads 3.
Referring specifically to fig. 1, the extraction structure is formed with a chamber containing a solution; the stirring structure comprises a driving mechanism and a stirring piece 2, the driving mechanism is a driving motor, the driving mechanism is connected with the stirring piece 2, the driving mechanism can drive the stirring piece 2 to rotate, the stirring structure is arranged on the extraction structure, and the stirring piece 2 stretches into the cavity and is used for stirring the solution in the cavity; the largest diameter of the suspension beads 3 is larger than the diameter of the solution outlet of the extraction structure, the density of the suspension beads 3 is larger than the density of the solution, and the density of the suspension beads 3 is smaller than the density of the extraction liquid. Because the density of the suspension beads 3 is greater than that of the solution, and the density of the suspension beads 3 is less than that of the extraction liquid, the solution and the extraction liquid are mutually insoluble, so that the suspension beads 3 are suspended between the solution and the extraction liquid, when the extraction liquid is extracted, as the layered surfaces of the solution and the extraction liquid gradually descend along with the outflow of the extraction liquid, the suspension beads 3 gradually descend until the extraction liquid completely flows out, the suspension beads 3 descend to the solution outlet of the extraction structure, and because the maximum diameter of the suspension beads 3 is greater than that of the solution outlet of the extraction structure, the suspension beads 3 can block the solution outlet of the extraction structure, prevent the solution from flowing out and do not need manual intervention.
Furthermore, the material of the suspension beads 3 is a corrosion-resistant material, and the density of the suspension beads 3 is between that of the solution and the extract. In this embodiment, the extraction solution is wastewater, the extractant is dichloromethane, and the suspended beads 3 are glass beads because dichloromethane is corrosive; since the density of glass is greater than the densities of water and extractant, the suspension beads 3 are arranged in a hollow structure, so that the density of the suspension beads 3 is between that of water and that of dichloromethane, since the density of dichloromethane is greater than that of water, the density of the suspension beads 3 is less than that of dichloromethane, and the suspension beads 3 are suspended at the junction of the liquid surfaces.
Further, the automatic extraction experimental device further comprises a plurality of fixing assemblies 8, wherein the fixing assemblies 8 are used for supporting the extraction structure, one ends of the fixing assemblies 8 are fixedly connected with the iron stand 7, and the other ends of the fixing assemblies 8 are connected with the extraction structure to prevent the extraction structure from sliding or moving.
Further, as shown in fig. 1 and 2, the extraction structure is a glass product, the glass product has corrosion resistance, the extraction structure comprises a first working part 4 and a second working part 5, wherein the first working part 4 is cylindrical, the installation of the stirring structure is convenient, the second working part 5 is funnel-shaped, the extraction liquid is convenient to extract, one end of the first working part 4 is connected with the second working part 5, and the stirring structure is connected with the other end of the first working part 4. The stirring structure is arranged at the top of the first working part 4, and the extracting solution flows out of the long neck of the second working part 5.
Further, the upper portion of the side wall of the first working portion 4 has a vent hole 41 for discharging gas generated during the stirring process.
Further, a solution outlet is formed in the bottom of the second working part 5, the suspension beads 3 can block the solution outlet, a switching valve 51 is arranged at the funnel closing-in position of the second working part 5, the switching valve 51 is made of polytetrafluoroethylene, and the polytetrafluoroethylene has corrosion resistance; the on-off valve 51 can rotate, and the on-off valve 51 can be completely removed, and before the suspension beads 3 block the solution outlet, the on-off valve 51 controls the liquid to flow out through rotation, and after the suspension beads 3 block the solution outlet, the on-off valve 51 is completely removed, so that air circulation is realized, and the extraction liquid in the long neck of the second working part 5 is ensured to completely flow out.
Further, the stirring piece 2 is made of polytetrafluoroethylene, the polytetrafluoroethylene has corrosion resistance, the stirring piece 2 stretches into the extraction structure to be contacted with the extractant, and therefore in order to prevent the stirring piece 2 from being corroded, the stirring piece 2 is made of corrosion-resistant polytetrafluoroethylene. The stirring member 2 has a screw structure, however, in other embodiments, the stirring member 2 may have a fan blade structure, so as to play a role in stirring.
Further, as shown in fig. 3, the stirring structure further comprises a shell 1 and a display screen 13, the display screen 13 is arranged on the outer side wall of the shell 1, the shell 1 is installed at the top of the extraction structure, the display screen 13 is electrically connected with the driving mechanism, and the display screen 13 is used for displaying the rotating speed of the driving mechanism and the rotating time of the driving mechanism.
Still further, the outer side wall of the housing 1 is also provided with an adjusting knob 11 and an adjusting button 12, the adjusting knob 11 can set the stirring time, and the adjusting button 12 can set the stirring speed. The stirring time and the stirring speed are set before stirring, the stirring process is completed by the control component, human intervention is not needed in the stirring process, stirring is carried out for a set time, and stirring work is automatically stopped.
Further, the stirring structure further comprises a lifting assembly 6, the lifting assembly 6 comprises a driving part, a telescopic part 61 and a base 62, the driving part is connected with the telescopic part 61, the driving part can drive the telescopic part 61 to reciprocate, the telescopic part 61 is fixedly connected with the shell 1 through the mounting hole 14, the reciprocating telescopic part 61 drives the shell 1 to move, the shell 1 moves to the lowest position where the telescopic part 61 moves in contact with the top end of the first working part 4, namely, the telescopic part 61 can drive the stirring structure to reciprocate up and down, the base 62 is fixedly arranged on the iron stand 7, and the lifting assembly 6 is firmly arranged on the iron stand 7. Through the up-and-down reciprocating motion of the telescopic part 61, the up-and-down reciprocating motion of the stirring piece 2 is realized, and the stirring effect can be improved by matching with the rotation of the stirring piece 2, so that the sample solution and the extractant are fully mixed, and the extraction efficiency is improved. Specifically, the lifting assembly 6 may be a cylinder assembly, or may be a structure capable of reciprocating such as a screw structure and a gear structure.
The extraction experimental device further comprises a controller, the controller is respectively and electrically connected with the stirring structure, the display screen 13, the adjusting knob 11, the adjusting button 12 and the lifting assembly 6, the controller can be a centralized or distributed controller, for example, the controller can be an independent single chip microcomputer or a distributed multi-block single chip microcomputer, and a control program can be run in the single chip microcomputer to further control each component to realize the functions of the single chip microcomputer.
The automatic extraction experimental device provided by the utility model can automatically complete the stirring process and the process of separating the extract, and comprises the following using steps:
1. placing an iron stand 7 in a laboratory fume hood, and fixing the extraction structure on the iron stand 7 through a plurality of fixing assemblies 8;
2. opening a switch valve 51 at the bottom of the extraction structure, adding 2g of anhydrous sodium sulfate into the extraction structure, and tapping the extraction structure to confirm that the anhydrous sodium sulfate is placed at the bottom of a long neck at the bottom of the extraction structure to form a sand core filter hole;
3. closing the switch valve 51 at the bottom of the extraction structure;
4. adding 1L of wastewater sample to be detected into the extraction structure and 60mL of dichloromethane;
5. placing the stirring structure on the extraction structure, enabling the stirring piece 2 to extend into a cavity formed by the extraction structure, electrifying, setting stirring time to be 20min through the adjusting knob 11, setting stirring rotating speed to be 1000rpm through the adjusting button 12, and pressing a start button to stir;
6. since methylene dichloride gas is generated in the stirring extraction process, the gas is discharged through the exhaust hole 41;
7. when the stirring time is up, the stirring structure automatically stops stirring, the stirring structure is taken down, the stirring piece 2 is washed, and the stirring piece is collected and stored after washing is finished;
8. adding suspension beads 3 to the extraction structure;
9. after standing for 30min, the water and the dichloromethane are mutually insoluble, so that the liquid level layering can be observed, the upper layer is water, the lower layer is dichloromethane solution, and the suspended beads 3 are suspended at the joint of the liquid level because the density of the suspended beads 3 is higher than that of the water and the density of the suspended beads 3 is lower than that of the dichloromethane;
10. the switch valve 51 is rotated to open, the dichloromethane solution is slowly discharged downwards along the switch valve 51, filtered by anhydrous sodium sulfate and discharged through the sand core filter holes, and the extraction liquid is collected by a container;
11. the suspended beads 3 also descend along with the liquid level until the dichloromethane solution phase is completely discharged, and the suspended beads 3 block the liquid outlet;
12. because the suspending beads 3 block the liquid outlet, air cannot circulate, and the dichloromethane solution in the long neck of the extraction structure cannot be discharged, at the moment, the switch valve 51 is pulled out to circulate the air, the dichloromethane solution is continuously discharged through the sand core filter holes, and the dichloromethane solution is collected by a container for subsequent experiments;
13. the extraction structure is taken down from the iron stand 7, the extraction structure and the suspension beads 3 are cleaned and then stored, and the extraction experiment is completed.
Furthermore, the foregoing description of the preferred embodiments and the principles of the utility model is provided herein. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.
Claims (10)
1. Automatic extraction experimental apparatus, its characterized in that includes:
an extraction structure forming a chamber containing a solution;
the stirring structure comprises a driving mechanism and a stirring piece (2), the driving mechanism is connected with the stirring piece (2), the driving mechanism can drive the stirring piece (2) to rotate, the stirring structure is arranged on the extraction structure, and the stirring piece (2) stretches into the cavity;
suspension beads (3), the maximum diameter of the suspension beads (3) is larger than the diameter of the solution outlet of the extraction structure, the density of the suspension beads (3) is larger than the density of the solution, and the density of the suspension beads (3) is smaller than the density of the extraction liquid.
2. The automatic extraction experimental device according to claim 1, characterized in that the suspension beads (3) are glass beads.
3. The automatic extraction experimental device according to claim 2, characterized in that the suspended beads (3) are hollow structures.
4. The automatic extraction experimental device according to claim 1, wherein the extraction structure is a glass product, the extraction structure comprises a first working part (4) and a second working part (5), the first working part (4) is cylindrical, the second working part (5) is funnel-shaped, the first working part (4) is connected with one end of the second working part (5), and the stirring structure is connected with the other end of the first working part (4).
5. The automatic extraction experimental device according to claim 4, wherein the upper portion of the side wall of the first working portion (4) is provided with a vent hole (41).
6. The automatic extraction experimental device according to claim 4, wherein the bottom of the second working part (5) is provided with the solution outlet, the funnel closing-in position of the second working part (5) is provided with a switch valve (51), and the switch valve (51) can be completely moved out.
7. The automatic extraction experimental device according to claim 6, wherein the switch valve (51) and the stirring piece (2) are made of polytetrafluoroethylene.
8. The automatic extraction experimental device according to claim 1, wherein the stirring structure further comprises a shell (1) and a display screen (13), the display screen (13) is arranged on the shell (1), the shell (1) is arranged on the extraction structure, and the display screen (13) is electrically connected with the driving mechanism.
9. The automatic extraction experimental device according to claim 8, wherein the stirring structure further comprises a lifting assembly (6), the lifting assembly (6) comprises a driving part, a telescopic part (61) and a base (62), the driving part is connected with the telescopic part (61), the telescopic part (61) is fixedly connected with the shell (1), and the base (62) is mounted on an iron stand (7).
10. The automatic extraction test apparatus of any one of claims 1-9, further comprising a fixture assembly (8) for supporting the extraction structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321493821.4U CN220327986U (en) | 2023-06-13 | 2023-06-13 | Automatic extraction experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321493821.4U CN220327986U (en) | 2023-06-13 | 2023-06-13 | Automatic extraction experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220327986U true CN220327986U (en) | 2024-01-12 |
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ID=89451344
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321493821.4U Active CN220327986U (en) | 2023-06-13 | 2023-06-13 | Automatic extraction experimental device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220327986U (en) |
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2023
- 2023-06-13 CN CN202321493821.4U patent/CN220327986U/en active Active
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