CN220345153U - Bubble removing device - Google Patents
Bubble removing device Download PDFInfo
- Publication number
- CN220345153U CN220345153U CN202321815024.3U CN202321815024U CN220345153U CN 220345153 U CN220345153 U CN 220345153U CN 202321815024 U CN202321815024 U CN 202321815024U CN 220345153 U CN220345153 U CN 220345153U
- Authority
- CN
- China
- Prior art keywords
- core plate
- gas
- liquid
- separation membrane
- plate
- 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
- 239000007788 liquid Substances 0.000 claims abstract description 91
- 239000012528 membrane Substances 0.000 claims abstract description 46
- 238000000926 separation method Methods 0.000 claims abstract description 45
- -1 polytetrafluoroethylene Polymers 0.000 claims description 12
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 12
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 12
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 10
- 229920002530 polyetherether ketone Polymers 0.000 claims description 10
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 238000007599 discharging Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 238000007872 degassing Methods 0.000 description 3
- 239000006260 foam Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The utility model discloses a bubble removing device which comprises a first pressing plate, a first core plate, a gas-liquid separation membrane, a second core plate, a second pressing plate and a fastening piece, wherein the first pressing plate, the first core plate, the gas-liquid separation membrane, the second core plate and the second pressing plate are sequentially arranged in a stacked mode, the fastening piece is used for locking and connecting the first pressing plate, the first core plate, the gas-liquid separation membrane and the second pressing plate, a liquid inlet, a liquid outlet and a liquid passing groove communicated with the liquid inlet and the liquid outlet are formed in the first core plate, the liquid passing groove is formed in a contact surface of the core plate and the gas-liquid separation membrane, the rigidity of the second core plate is smaller than that of the second pressing plate, a bubble overflow outlet and an exhaust groove communicated with the bubble overflow outlet are formed in the second core plate, and the exhaust groove is arranged on a contact surface of the second core plate and the gas-liquid separation membrane and is opposite to the liquid passing groove. The first core plate, the gas-liquid separation membrane and the second core plate of the bubble removing device can be closely attached, the structure is more stable, the sealing performance is better, and the bubble removing device can be repeatedly used for a long time.
Description
Technical Field
The utility model relates to the technical field of liquid degassing bubbles, in particular to a bubble removing device.
Background
Bubbles in liquid samples are a typical problem often found in fluid experiments and are often difficult to remove from the sample. Bubble removal devices may be used to remove bubbles from a fluid. The bubble removing device is characterized in that a polytetrafluoroethylene film is arranged between two polyether-ether-ketone plates, and the polytetrafluoroethylene film, the polyether-ether-ketone plates and the polyether-ether-ketone plates are locked through bolts. When the fluid containing the bubbles passes through the bubble removal device, the bubbles can be forced through the polytetrafluoroethylene membrane so long as the pressure inside the system is higher than the external atmospheric pressure, thereby separating the fluid and the bubbles. However, the two polyether-ether-ketone plate locks are too tightly or tightly pressed for a long time, so that the edges of the polytetrafluoroethylene film are easily crushed to cause seepage. And the polyether-ether-ketone plate is found to deform in repeated use, seepage occurs at individual positions, and the dead volume is increased.
Disclosure of Invention
The utility model aims to provide a bubble removing device which has better sealing performance, more stable structure and long-term repeated use.
In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:
a bubble removal apparatus, comprising: the first pressing plate, the first core plate, the gas-liquid separation membrane, the second core plate, the second pressing plate and the fastener are sequentially stacked, and the fastener is used for locking and connecting the first pressing plate, the first core plate, the gas-liquid separation membrane and the second pressing plate. The first core plate is provided with a liquid inlet, a liquid outlet and a liquid passing groove communicated with the liquid inlet and the liquid outlet, and the liquid passing groove is arranged on a contact surface of the first core plate and the gas-liquid separation membrane. The second core plate is provided with a bubble overflow outlet and an exhaust groove communicated with the bubble overflow outlet, and the exhaust groove is arranged on the contact surface of the second core plate, which is contacted with the gas-liquid separation membrane, and is opposite to the liquid passing groove.
Preferably, deformation eliminating grooves are formed in opposite surfaces of the first pressing plate and the second pressing plate.
Preferably, the liquid passing groove and the air discharging groove are curved.
Preferably, the fastener is a screw that mates with the threaded hole. The first pressing plate comprises a bottom plate and a positioning column arranged in the middle of the bottom plate, the positioning column is provided with a threaded hole matched with a fastener, and the first core plate, the gas-liquid separation membrane and the second core plate are correspondingly provided with jacks sleeved with the positioning column. The fastener passes through the second pressing plate and is in threaded connection with the positioning column.
Preferably, a fool-proof structure is arranged between the first core plate and the second core plate.
Preferably, the fool-proof structure comprises a notch extending inwards from the edge of the second core plate and a convex block formed by the first core plate protruding towards the notch, wherein the convex block is connected with the notch so as to position the bubble removing device through the notch and the convex block when the bubble removing device is assembled, and limit the relative rotation of the first core plate and the second core plate to avoid dislocation of the liquid tank and the exhaust tank when the fastener locks each component.
Preferably, the hardness difference between the first core plate, the second core plate and the gas-liquid separation membrane is less than or equal to 5 Shore hardness.
Preferably, the first core plate, the gas-liquid separation membrane and the second core plate are each made of polytetrafluoroethylene.
Preferably, the first platen and the second platen are made of polyetheretherketone or an aluminum alloy.
By adopting the technical scheme, the utility model has the beneficial effects that: according to the utility model, the first pressing plate and the second pressing plate are arranged on two sides of the first core plate and the second core plate, so that the stress area of the gas-liquid separation membrane is increased, a force vertical to the thickness direction is generated, the contact surface is sealed, the first core plate, the gas-liquid separation membrane and the second core plate are closely attached, the structure is more stable, the gas-liquid separation membrane can be repeatedly used for a long time, and the gas bubble removal requirement with higher requirements is met.
Drawings
Fig. 1 is a schematic perspective view of a preferred embodiment of the present utility model.
Fig. 2 and 3 are schematic views of the explosive structure of fig. 1.
Figure 4 is a schematic isometric cross-sectional view of figure 1.
Wherein: 1. the device comprises a first pressing plate, a first core plate, a gas-liquid separation membrane, a second core plate, a second pressing plate, a fastening piece, a liquid inlet, a liquid outlet, a liquid passing groove, a bubble overflow outlet, an air discharging groove, a deformation eliminating groove, a bottom plate, a positioning column, a threaded hole, an inserting hole, a notch and a lug.
Detailed Description
The utility model will be further described with reference to the drawings and detailed description.
As shown in fig. 1 to 4, the bubble removal apparatus of the present embodiment includes: a first pressing plate 1, a second pressing plate 5, a first core plate 2, a second core plate 4, a gas-liquid separation membrane 3 and a fastener 6. The first pressing plate 1, the first core plate 2, the gas-liquid separation membrane 3, the second core plate 4 and the second pressing plate 5 are sequentially stacked, and the first pressing plate 1 and the second pressing plate 5 are in locking connection through a fastener 6 so as to clamp the first core plate 2, the gas-liquid separation membrane 3 and the second core plate 4 between the first pressing plate 1 and the second pressing plate 5. Because the first core plate 2 and the second core plate 4 are arranged, the fastening pieces 6 are not in direct contact with the first core plate 2 and the second core plate 4, the clamping force provided by the fastening pieces 6 directly acts on the first pressing plate 1 and the second pressing plate 5, the clamping force is applied to the first core plate 2 and the second core plate 4 through the first pressing plate 1 and the second pressing plate 5, the stress area of the first core plate 2, the gas-liquid separation membrane 3 and the second core plate 4 is increased by the first pressing plate 1 and the second pressing plate 5, the stress is more uniform, and then when the first pressing plate 1 and the second pressing plate 5 clamp the first core plate 2, the gas-liquid separation membrane 3 and the second core plate 4, the contact surfaces of the first core plate 2, the gas-liquid separation membrane 3 and the second core plate 4 are tightly attached, the sealing is good, and when excessive or long-term locking is performed, the edges of the gas-liquid separation membrane 3 are not crushed, and the stability of the structure of the degassing foam device is improved, and the stability of the degassing foam performance is ensured.
Specifically, the first core plate 2 of the embodiment is provided with a liquid inlet 7, a liquid outlet 8 and a liquid passing groove 9, the liquid passing groove 9 is arranged on a contact surface of the first core plate 2 and the gas-liquid separation membrane 3, and the liquid inlet 7 and the liquid outlet 8 are arranged at two ends of the liquid passing groove 9 and are communicated with the liquid passing groove 9. The second core plate 4 is provided with a bubble overflow port 10 and a vent groove 11, the vent groove 11 is arranged on the contact surface of the second core plate 4 and the gas-liquid separation membrane 3, the vent groove 11 is opposite to the liquid passing groove 9, so that when fluid passes through the liquid passing groove 9, bubbles in the fluid pass through the gas-liquid separation membrane 3 to enter the vent groove 11, and the bubble overflow port 10 is communicated with the vent groove 11 to discharge the bubbles.
In this embodiment, the hardness differences between the first core plate 2, the gas-liquid separation membrane 3 and the second core plate 4 are all less than or equal to 5 shore, the hardness of the first core plate 2 and the second core plate 4 is similar to that of the gas-liquid separation membrane 3, synchronous deformation is easy to generate, the tightness is higher, and the gas-liquid separation membrane 3 is prevented from being broken by extrusion. In this embodiment, the first platen 1 and the second platen 5 are preferably made of polyetheretherketone or an aluminum alloy material of HB90 to 95. The first core plate 2 and the second core plate 4 are preferably made of polytetrafluoroethylene low-rigidity materials. The gas-liquid separation membrane 3 is various in types and can be selected or replaced according to actual needs, and the gas-liquid separation membrane 3 made of polytetrafluoroethylene is preferably used in the present embodiment. The hardness of the polytetrafluoroethylene material is generally 60-65 Shore hardness, the hardness of the polyether-ether-ketone material is generally 90-98 Shore hardness, in the prior art, two polyether-ether-ketone plates are directly pressed, the requirement on parallelism is high, the deviation is large, the gas-liquid separation membrane 3 is broken, and the problem can be effectively solved by adding the first core plate 2 and the second core plate 4 which are made of polytetrafluoroethylene. The polytetrafluoroethylene material has the characteristics of high corrosion resistance, high temperature resistance, chemical resistance and the like, is suitable for organic solvents, aqueous solutions and gases with chemical corrosiveness, has tolerance to most of acids, alkalis and solutions, can well bear the actions of various corrosive substances, and ensures the long-term stable operation of the bubble removing device.
In order to improve the efficiency of bubble discharge, the present embodiment provides the liquid passing tank 9 and the gas discharging tank 11 in a curved shape to increase the time for which the fluid stays in the liquid passing tank 9 and the contact area of the fluid with the gas-liquid separation membrane 3.
In this embodiment, the fastener 6 is a screw, the first pressing plate 1 includes a bottom plate 13 and a positioning column 14 integrally formed in the middle of the bottom plate 13, and the positioning column 14 is provided with a threaded hole 15 matched with the screw. The first core plate 2, the gas-liquid separation membrane 3 and the second core plate 4 are provided with jacks 16 matched with the positioning columns 14, the first core plate 2, the gas-liquid separation membrane 3 and the second core plate 4 are sleeved on the positioning columns 14 in sequence, the second core plate 4 is installed, and the second core plate 4 and the first core plate 2 are locked by the fasteners 6. The locating column 14 ensures that the first core plate 2 and the second core plate 4 are concentric, thereby ensuring that the liquid passing groove 9 and the exhaust groove 11 are aligned, and meanwhile, the locating column 14 and the fastening piece 6 are matched to form a single screw locking structure, so that the assembly of the exhaust bubble device and the replacement of the gas-liquid separation membrane 3 are easier and quicker. The bubble removal device of this embodiment has high suitability, and can replace different gas-liquid separation membranes 3 as required to remove bubbles in different liquids and fluids with different flow rates.
Deformation eliminating grooves 12 are formed in opposite faces of the first pressing plate 1 and the second pressing plate 5, and the deformation eliminating grooves 12 are annular grooves surrounding the fastening pieces 6. The deformation eliminating groove 12 can eliminate parallelism error of part processing, can offset material deformation caused by repeated locking or excessive locking, eliminates deformation amount after long-term use, ensures that the first core plate 2 and the second core plate 4 can be tightly pressed for a long time, effectively reduces dead volume, enables pressing force to act right above a liquid passing groove, and improves repeated installability of the device.
The second core plate 4 is provided with a notch 17 extending inward from the edge thereof, and the first core plate 2 projects toward the notch 17 with a projection 18 inserted into the notch 17. The notch 17 and the projection 18 form a foolproof structure so that the bubble removal device can be assembled at one time, and the liquid passing groove 9 and the air discharging groove 11 are aligned and not misplaced.
The bubble removing device is applied to removing bubbles wrapped in sample liquid, can remove gas interference, and improves accuracy of experimental results.
While the utility model has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. A bubble removal apparatus, comprising: the device comprises a first pressing plate (1), a first core plate (2), a gas-liquid separation membrane (3), a second core plate (4) and a second pressing plate (5) which are sequentially stacked, and a fastener (6) for locking and connecting the first pressing plate (1), the first core plate (2), the gas-liquid separation membrane (3) and the second pressing plate (5);
the first core plate (2) is provided with a liquid inlet (7), a liquid outlet (8) and a liquid passing groove (9) communicated with the liquid inlet (7) and the liquid outlet (8), and the liquid passing groove (9) is arranged on a contact surface of the first core plate (2) and the gas-liquid separation membrane (3);
the second core plate (4) is provided with a bubble overflow outlet (10) and an exhaust groove (11) communicated with the bubble overflow outlet (10), and the exhaust groove (11) is arranged on the contact surface of the second core plate (4) contacted with the gas-liquid separation membrane (3) and is opposite to the liquid passing groove (9).
2. Bubble removal device according to claim 1, wherein deformation eliminating grooves (12) are provided on opposite sides of the first and second pressure plates (1, 5).
3. Bubble removal device according to claim 1, characterized in that the liquid passing trough (9) and the air discharge trough (11) are curved.
4. Bubble removal device according to claim 1, wherein the fastener (6) is a screw which cooperates with the threaded hole (15);
the first pressing plate (1) comprises: the base plate (13) and the positioning column (14) arranged in the middle of the base plate (13), wherein the positioning column (14) is provided with a threaded hole (15) matched with the fastener (6);
the first core plate (2), the gas-liquid separation membrane (3) and the second core plate (4) are correspondingly provided with insertion holes (16) sleeved with positioning columns (14);
the fastener (6) passes through the second pressing plate (5) and is in threaded connection with the positioning column (14).
5. Bubble removal device according to claim 1, wherein a fool-proof structure is provided between the first core plate (2) and the second core plate (4).
6. The bubble removal apparatus as claimed in claim 5, wherein said fool-proof structure comprises: a notch (17) extending inwards from the edge of the second core plate (4), and a lug (18) formed by the first core plate (2) protruding towards the notch (17), wherein the lug (18) is connected with the notch (17).
7. The bubble removal apparatus as claimed in claim 1, wherein the difference in hardness between each of the first core plate, the second core plate and the gas-liquid separation membrane is less than or equal to 5 shore.
8. The de-bubbling device of any one of claims 1-7, wherein the first core plate (2) and the second core plate (4) are each made of polytetrafluoroethylene.
9. Bubble removal device according to claim 8, wherein the gas-liquid separation membrane (3) is made of polytetrafluoroethylene.
10. The bubble removal apparatus of claim 9, wherein the first platen and the second platen are made of polyetheretherketone or an aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321815024.3U CN220345153U (en) | 2023-07-11 | 2023-07-11 | Bubble removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321815024.3U CN220345153U (en) | 2023-07-11 | 2023-07-11 | Bubble removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220345153U true CN220345153U (en) | 2024-01-16 |
Family
ID=89483583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321815024.3U Active CN220345153U (en) | 2023-07-11 | 2023-07-11 | Bubble removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220345153U (en) |
-
2023
- 2023-07-11 CN CN202321815024.3U patent/CN220345153U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9744480B2 (en) | Apparatus and methods for changing the concentration of gases in liquids | |
| US20230191416A1 (en) | Flowcell cartridge with floating seal bracket | |
| US6209928B1 (en) | Microfluidic interconnects | |
| US10953348B2 (en) | Membrane gas/liquid contactor | |
| US20120025521A1 (en) | Fluid connector devices and methods of making and using the same | |
| US20140134050A1 (en) | Suppressor device | |
| US6379625B1 (en) | Apparatus comprising a disposable device and reusable instrument for synthesizing chemical compounds, and for testing chemical compounds for solubility | |
| GB2510105A (en) | Fluid degassing device | |
| CN220345153U (en) | Bubble removing device | |
| WO2016003278A1 (en) | Combination of a cartridge for a microfluidic chip and a microfluidic chip | |
| US9114331B2 (en) | Apparatus and method for degassing liquids | |
| JP2015199028A (en) | Method of injecting liquid into micro-channel | |
| CN1235780C (en) | Sealing system for ports of vessels used for corrosive fluids | |
| CN103323493A (en) | Direct-compression type rapid assembling micro-circulation detection tank device | |
| JP2005000770A (en) | Minute reaction device for solid/liquid interface reaction | |
| US4895683A (en) | Apparatus for mass transferring between phases different from each other | |
| US20120024405A1 (en) | Guiding devices and methods of making and using the same | |
| CN209829033U (en) | Serial-type micro-fluidic chip anchor clamps | |
| CN217910484U (en) | Substrate surface modification device for gene sequencing chip | |
| CN220559255U (en) | Sealing device of micro-fluidic chip | |
| CN217593973U (en) | Clarification filtration testing device | |
| WO2020194607A1 (en) | Ion suppressor | |
| CN201267728Y (en) | Degasifier of flowing liquid | |
| CN113174307B (en) | Upper cover based on nucleic acid detection chip installation bin | |
| CN216756490U (en) | Clamp and microfluidic chip device thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |