CN219830723U - Gas-liquid-solid contact angle detection device under non-normal pressure working condition - Google Patents
Gas-liquid-solid contact angle detection device under non-normal pressure working condition Download PDFInfo
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- CN219830723U CN219830723U CN202321277911.XU CN202321277911U CN219830723U CN 219830723 U CN219830723 U CN 219830723U CN 202321277911 U CN202321277911 U CN 202321277911U CN 219830723 U CN219830723 U CN 219830723U
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- 238000001514 detection method Methods 0.000 title claims abstract description 43
- 239000007787 solid Substances 0.000 title claims abstract description 31
- 239000007788 liquid Substances 0.000 claims abstract description 71
- 239000011343 solid material Substances 0.000 claims abstract description 26
- 238000007654 immersion Methods 0.000 claims abstract description 20
- 239000011521 glass Substances 0.000 claims abstract description 12
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 230000001502 supplementing effect Effects 0.000 claims description 10
- 238000005286 illumination Methods 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 2
- 238000009423 ventilation Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 18
- 230000008595 infiltration Effects 0.000 description 17
- 238000001764 infiltration Methods 0.000 description 17
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000007790 solid phase Substances 0.000 description 2
- 238000003786 synthesis reaction Methods 0.000 description 2
- 238000009736 wetting Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010230 functional analysis Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model discloses a gas-liquid-solid contact angle detection device under an abnormal pressure working condition, which comprises a pressure-bearing container, an objective table arranged in the pressure-bearing container and used for fixing solid materials, and sight glass arranged on the front and rear surfaces of the pressure-bearing container; the upper end of one side of the pressure-bearing container is provided with a pressure source and an emptying interface, the lower end of one side of the pressure-bearing container is provided with a ventilation interface, the top and the bottom of the pressure-bearing container are respectively communicated with an immersion liquid inlet pipe, and a liquid outlet port of the immersion liquid inlet pipe is close to the objective table. The detection device realizes the measurement of the contact angle of various solid materials under the condition of non-normal pressure, and is particularly suitable for the research of the influence of the non-normal pressure working condition on the contact angle of various gas-liquid compositions on the surfaces of different solid materials.
Description
Technical Field
The utility model belongs to the field of contact angle detection devices, and particularly relates to a gas-liquid-solid contact angle detection device under an abnormal pressure working condition.
Background
The contact angle refers to the included angle between the solid-liquid interface and the gas-liquid interface from the inside of the liquid at the junction of the solid phase, the liquid phase and the gas phase, and is the basic attribute of the interaction between the gas phase, the liquid phase and the solid phase. Under a certain gas atmosphere, the larger the contact angle is, the stronger the wettability of the liquid to the solid material under the gas changing condition is, and the better the wetting effect is; the smaller contact angle indicates that the weaker the wettability of the liquid to the solid material under the gas condition, the poorer the wetting effect.
The fields of material selection, cleaning replacement, material and coating synthesis, small flow channel functional structures and the like almost comprise gas-liquid-solid interfaces, and the wettability difference of different liquids on the surface of a solid material is utilized to different extents to carry out gas-liquid or solid-liquid blending, reaction or separation, and most of the fields are in a non-normal pressure working condition. The existing detection technology is mainly aimed at the contact angle of a gas-liquid-solid three-phase interface under normal pressure, and relates to the fact that the detection of the gas-liquid-solid contact angle under the working condition of non-normal pressure is almost not available, and the detection of the gas-liquid-solid contact angle under the atmosphere of different gases is less.
Therefore, the research of the influence of the abnormal pressure on the contact angles of various gas-liquid compositions on the surfaces of different solid materials is of great significance to the research on the aspects of material selection, functional analysis, mechanism exploration and the like in the fields of material selection, cleaning replacement, material and coating synthesis, small flow channel functional structure and the like, and has great engineering value for improving the industrial production efficiency. Therefore, it is necessary to develop a gas-liquid-solid contact angle detection device under the high non-normal pressure working condition so as to meet the research and application of various gas-liquid compositions on the contact angles of different solid materials under the non-normal pressure working condition.
Disclosure of Invention
The utility model aims to: the utility model aims to solve the technical problem of providing a gas-liquid-solid contact angle detection device under an abnormal pressure working condition, which can effectively and accurately detect contact angles of various gas-liquid compositions on surfaces of different solid materials under the abnormal pressure working condition.
The technical scheme is as follows: the utility model relates to a gas-liquid-solid contact angle detection device under an abnormal pressure working condition, which comprises a pressure-bearing container, an objective table arranged in the pressure-bearing container and used for fixing solid materials, pressure-bearing sight glass arranged on the front and rear surfaces in the pressure-bearing container, and clamp blind plates arranged at two side ends of the pressure-bearing container, wherein the clamp blind plates are arranged on the front and rear surfaces of the pressure-bearing container;
the upper part of one side end of the pressure-bearing container is provided with a pressure source interface, the lower part of the side end is provided with a displacement air interface, the top and the bottom of the pressure-bearing container are respectively communicated with an immersion liquid inlet pipe, and a liquid outlet port of the immersion liquid inlet pipe is close to the objective table).
Further, the pressure-bearing container of the detection device is a horizontal cylindrical container which is transversely arranged, and the pressure source interface and the replacement gas interface are arranged on the clamp blind plate at the same side end.
Furthermore, the pressure source interface of the detection device is sequentially connected with a pressure source, a pressure regulating valve and a mechanical pressure gauge through pipelines, the pipelines are further extended to be provided with vent pipelines, and the vent pipelines are provided with vent valves.
Further, the object stage of the detection device comprises an upper flat plate for fixing solid materials and a lower bracket which is arranged in the pressure-bearing container and is used for supporting the upper flat plate.
Further, the middle of the upper flat plate of the detection device is concave and provided with a rectangular hole, two sides of the upper flat plate are provided with U-shaped grooves, and threaded holes are formed in the upper portion and the lower portion of the grooves.
Further, a groove is formed in the upper portion of the lower support of the detection device, a slope for guiding and fixing the upper flat plate is arranged on the right side of the groove, and a rectangular hole is formed in the middle of the lower support.
Further, a light source supplementing device is arranged at the upper end of the outer part of the pressure-bearing container of the detection device, and a pressure-bearing viewing mirror matched with the light source supplementing device for adjusting the illumination condition is arranged at the top in the pressure-bearing container.
Further, the replacement air port of the detection device is communicated with a replacement air inlet pipe, the replacement air inlet pipe is provided with a replacement air inlet valve, the immersion liquid inlet pipe is provided with an immersion liquid inlet valve, and the tail end of the immersion liquid inlet pipe is provided with a nozzle.
Furthermore, a liquid groove for maintaining the constant humidity of the gas in the pressure-bearing container is also arranged in the pressure-bearing container of the detection device, and a slope and a drain hole are arranged at the bottom of the liquid groove.
Further, the pressure-bearing container of the detection device is arranged on a plane through the supporting legs.
The beneficial effects are that: compared with the prior art, the utility model has the advantages that: the detection device is based on a pressure-bearing container, combines equipment such as an objective table, a pressure-bearing sight glass, a pressure source, a pressure regulating valve, an emptying valve, a replacement gas inlet pipe, an immersion liquid inlet pipe, light source supplementing equipment, camera shooting record and the like, realizes the measurement of contact angles of various solid materials surfaces under the condition of non-normal pressure, and is particularly suitable for the research of contact angle influences of non-normal pressure working conditions on various gas-liquid compositions on the different solid material surfaces.
Drawings
FIG. 1 is a schematic diagram of a detecting device according to the present utility model;
FIG. 2 is a schematic diagram of a second embodiment of the detection device of the present utility model;
FIG. 3 is a schematic view of the upper plate structure of the object stage of the present utility model;
FIG. 4 is a schematic view of the lower support structure of the subject table of the present utility model;
FIG. 5 is a schematic diagram of the liquid tank of the present utility model.
Detailed Description
The technical scheme of the utility model is further described in detail below with reference to the accompanying drawings.
The clamp blind plate, the pressure-bearing sight glass, the pressure source, various valve members, the nozzle and the like adopted by the utility model are all conventional parts in the field, and the utility model is not improved in a related way and is a known technology for a person skilled in the art. The adopted light source supplementing device can be a light source supplementing device commonly used in the field, such as various light equipment lamps, and the utility model is not particularly limited.
As shown in figure 1, the gas-liquid-solid contact angle detection device under the non-normal pressure working condition comprises a horizontal cylindrical pressure-bearing container 1 which is transversely arranged, and clamp blind plates 4 are arranged at two side ends of the pressure-bearing container 1 for fastening and sealing so as to be convenient to install and detach. The pressurized container 1 is secured to a flat surface by legs 21.
Two interfaces are arranged on the left clamp blind plate 4, one is positioned at the upper pressure source interface 4, and the other is positioned at the lower replacement gas interface 6. As shown in fig. 1, the pressure source interface 4 at the upper part is connected with a pressure source 8, a pressure regulating valve 9 and a mechanical pressure gauge 10 through pipelines, and a vent pipeline is also arranged on the pipelines in an extending mode, and a vent valve 11 is arranged on the vent pipeline. The pressure source 8 can be a high-pressure gas cylinder or a vacuum pump, the pressure in the pressure-bearing container 1 is regulated through the pressure regulating valve 9 and the mechanical pressure gauge 10, the pressure is relieved through the relief valve 11, and the pressure in the pressure-bearing container 1 is accurately regulated and controlled through the pressure source 8, the pressure regulating valve 9, the mechanical pressure gauge 10 and the relief valve 11, so that the detection pressure range is greatly widened. The replacement air interface 6 at the lower part is communicated with the replacement air inlet pipe 15, the replacement air inlet pipe 15 is provided with a replacement air inlet valve 16, the replacement air inlet valve 16 is a pressure regulating valve, the pressure of the replacement air inlet and the air inflow are controlled, after the air replacement is finished, different infiltration liquid drop angles can be selected, the influence of gravity and pressure on the contact angle of different air-liquid compositions on the surface of a solid material can be studied and judged, and the detection range is greatly widened.
As shown in fig. 2, a hole is formed at the top of the pressure-bearing container 1 and is connected with the immersion liquid inlet pipe 7, an immersion liquid inlet valve 17 is arranged on the immersion liquid inlet pipe 7, the immersion liquid inlet valve 17 is a needle valve, and a nozzle 18 is arranged at the tail end of the inlet, so that the liquid inlet speed and liquid inlet amount of the immersion liquid can be accurately controlled, and the phenomenon that too fast liquid inlet, turbulence or too much liquid inlet, large liquid drops appear and contact angle detection is influenced is prevented. The bottom of the pressure-bearing container 1 is also provided with a hole which is connected with the infiltration liquid inlet pipe 7, the infiltration liquid inlet pipe 7 is provided with an infiltration liquid inlet valve 17, and the tail end of the infiltration liquid inlet pipe 7 is provided with a nozzle 18.
The interior of the pressure-bearing container 1 is provided with an objective table 2 for fixing solid materials, and the infiltration liquid inlet pipes 7 are all inserted into the pressure-bearing container 1 and approach to the horizontal position of the objective table 2. The stage 2 includes an upper plate 12 for fixing a solid material and a lower bracket 13 for supporting the upper plate 12. As shown in fig. 3, the upper plate 12 is a smooth clean plate, two sides of the upper plate are provided with U-shaped grooves, threaded holes are formed in the upper and lower sides of the grooves, the grooves are used for fixing solid materials, rectangular holes are reserved in the middle of the grooves, infiltration liquid can be dripped onto the surface of the solid materials from above or below through the rectangular holes, and the state observation of infiltration liquid drops on the upper surface or the lower surface of the solid materials is not affected by the middle of the grooves. The lower support 13 is fixed inside the pressure-bearing container 1 and used for fixing the upper flat plate 12, the upper part of the lower support 13 is provided with a groove, a rectangular hole is reserved in the middle, and a slope is arranged on the right side of the groove and used for guiding and fixing the upper flat plate 12 when the upper flat plate 12 is placed on the lower support 13, as shown in fig. 4.
As shown in fig. 2, the front and rear surfaces and the top of the pressure-bearing container 1 are respectively provided with a pressure-bearing sight glass 3, the front and rear pressure-bearing sight glass 3 is used for observing the liquid inlet of the immersion liquid, the gas-liquid-solid contact angle under the non-normal pressure working condition and photographing record analysis, the top pressure-bearing sight glass is matched with a supplementary light source for adjusting the illumination condition, and the gas-liquid-solid contact angle condition can be clearly and accurately observed under the condition of unfavorable illumination.
The bottom in the pressure-bearing container 1 is also provided with a liquid groove 19 for maintaining the constant humidity of the gas in the pressure-bearing container, so that the influence of the humidity of the gas on contact angle detection is reduced. The bottom of the liquid tank 19 is provided with a slope and a clear hole, and a plug 20 is arranged on the clear hole, as shown in fig. 5.
In addition to the above, the detection device further comprises a camera 22 for photographing, recording and analyzing and a light source supplementing device 14 positioned at the upper part of the outer end of the pressure-bearing container 1, wherein the light intensity, the angle and the light source color can be flexibly selected by supplementing the illumination to the container through the top pressure-bearing sight glass, and when the illumination condition is unfavorable or the gas-liquid-solid interface is not obvious enough, the supplementing light source is adjusted, so that the gas-liquid-solid interface can be clearly observed for subsequent analysis.
The specific installation steps of the detection device are as follows:
(1) Placing a cylindrical pressure-bearing container on a horizontal plane for clamping and fixing, cutting holes on the front and rear surfaces and the top of the pressure-bearing container, installing a pressure-bearing sight glass, opening a hole near the middle part of the bottom of the pressure-bearing container, reserving a liquid inlet pipeline for connecting bottom infiltration liquid, opening a hole near the right side of the top, reserving a liquid inlet pipeline for connecting the top infiltration liquid, installing supporting legs at the positions near the two sides of the bottom of the pressure-bearing container, and ensuring the level of the pressure-bearing container;
(2) The objective table is fixed in the pressure-bearing container through the lower support, the level is ensured, the top infiltration liquid inlet pipe and the bottom infiltration liquid inlet pipe are both inserted into the pressure-bearing container, and the tail end nozzle is close to the objective table. The upper interface of the left clamp blind plate is connected with a pipeline to the pressure regulating valve and the emptying valve, the lower interface is connected with a gas inlet pipeline, the pressure regulating valve, the emptying valve and the immersion liquid inlet valve are closed, the pressure regulating valve is connected to a pressure source, and the mechanical pressure gauge is connected to the gas inlet pipeline;
(3) The top of the pressure-bearing container is connected to the top impregnating solution inlet valve and the valve is closed, the bottom of the pressure-bearing container is connected to the impregnating solution inlet valve and the valve is closed, and certain impregnating solution is filled in the liquid tank in advance.
Specific contact angle detection step:
(1) The left clamp blind plate is tightly closed and sealed, a solid material is placed on the objective table, the bolts are fastened, the right clamp blind plate is tightly closed and sealed with the pressure-bearing container, and the surface level of the solid material on the objective table is ensured through the observation of the pressure-bearing sight glass;
(2) Checking to ensure that all valves are tightly closed, slowly opening the pressure regulating valve to a certain opening degree, maintaining for a period of time, and checking the tightness of the device; the tightness of the device is confirmed without error, the pressure regulating valve is closed, and the relief valve is opened to release pressure to normal pressure;
(3) Opening a replacement gas inlet valve to replace gas in the pressure-bearing container with detection gas, and opening a top infiltration liquid inlet valve or a bottom infiltration liquid inlet valve after replacement is finished to drop infiltration liquid on the surface of a solid material, wherein the infiltration liquid is in a steady state on the surface of the solid material;
(4) Starting a supplementary light source, adjusting the light according to the light condition and the condition of a gas-liquid-solid interface, ensuring the definition of the gas-liquid-solid interface, photographing by using a camera, recording as a gas-liquid-solid contact angle under normal pressure, starting a pressure regulating valve, adjusting the pressure in the device to the detection requirement, photographing by using the camera after the pressure is stable and the impregnating solution reaches a steady state on the surface of a solid material, recording as a gas-liquid-solid contact angle under a certain pressure, adjusting the pressure in the device for a plurality of times according to the requirement, recording the gas-liquid-solid contact angle under different pressure conditions, and comparing and analyzing the gas-liquid-solid contact angle under normal pressure and the normal pressure by using a picture analyzer;
(5) After the detection is finished, the vent valve is opened to release pressure to normal pressure, the drain valve is opened to drain liquid in the device, the left side inlet pipeline and the pressure source pipeline are disconnected, the top and the bottom infiltration liquid inlet pipes are disconnected, the clamp blind plates on the two sides are detached, and the experimental device is cleaned.
Claims (10)
1. The utility model provides a gas-liquid-rigid coupling feeler detection device under unusual pressure operating mode which characterized in that: the detection device comprises a pressure-bearing container (1), an objective table (2) which is arranged in the pressure-bearing container (1) and is used for fixing solid materials, pressure-bearing sight glass (3) which are arranged on the front surface and the rear surface in the pressure-bearing container (1), and clamp blind plates (4) which are arranged at the two side ends of the pressure-bearing container (1);
the upper part of one side end of the pressure-bearing container (1) is provided with a pressure source interface (5), the lower part of the side end is provided with a displacement air interface (6), the top and the bottom of the pressure-bearing container (1) are respectively communicated with an immersion liquid inlet pipe (7), and the liquid outlet of the immersion liquid inlet pipe (7) is close to the objective table (2).
2. The gas-liquid-solid contact angle detection device under the non-normal pressure working condition according to claim 1, wherein: the pressure-bearing container (1) is a horizontal cylindrical container which is transversely arranged, and the pressure source interface (5) and the replacement gas interface (6) are arranged on a clamp blind plate (4) at the same side end.
3. The gas-liquid-solid contact angle detection device under the non-normal pressure working condition according to claim 1, wherein: the pressure source interface (5) is sequentially connected with a pressure source (8), a pressure regulating valve (9) and a mechanical pressure gauge (10) through pipelines, the pipelines are further extended to be provided with vent pipelines, and the vent pipelines are provided with vent valves (11).
4. The gas-liquid-solid contact angle detection device under the non-normal pressure working condition according to claim 1, wherein: the object stage (2) comprises an upper flat plate (12) for fixing solid materials and a lower bracket (13) which is arranged inside the pressure-bearing container (1) and is used for supporting the upper flat plate (12).
5. The device for detecting the gas-liquid-solid contact angle under the non-normal pressure working condition according to claim 4, wherein the device comprises the following components: the middle of the upper flat plate (12) is concave and provided with a rectangular hole, two sides of the upper flat plate are provided with U-shaped grooves, and threaded holes are formed in the upper portion and the lower portion of the grooves.
6. The device for detecting the gas-liquid-solid contact angle under the non-normal pressure working condition according to claim 4, wherein the device comprises the following components: the upper part of the lower support (13) is provided with a groove, the right side of the groove is provided with a slope for guiding and fixing the upper flat plate (12), and the middle of the lower support (13) is provided with a rectangular hole.
7. The gas-liquid-solid contact angle detection device under the non-normal pressure working condition according to claim 1, wherein: the upper end of the outside of the pressure-bearing container (1) is provided with a light source supplementing device (14), and the top in the pressure-bearing container (1) is provided with a pressure-bearing sight glass matched with the light source supplementing device (14) for adjusting the illumination condition.
8. The gas-liquid-solid contact angle detection device under the non-normal pressure working condition according to claim 1, wherein: the replacement air inlet pipe (15) is communicated with the replacement air interface (6), the replacement air inlet pipe (15) is provided with a replacement air inlet valve (16), the immersion liquid inlet pipe (7) is provided with an immersion liquid inlet valve (17), and the tail end of the immersion liquid inlet pipe (7) is provided with a nozzle (18).
9. The gas-liquid-solid contact angle detection device under the non-normal pressure working condition according to claim 1, wherein: the pressure-bearing container (1) is internally provided with a liquid groove (19) for maintaining the constant humidity of the gas in the pressure-bearing container (1), the bottom of the liquid groove (19) is provided with a gradient and a clear hole, and the clear hole is provided with a plug (20).
10. The gas-liquid-solid contact angle detection device under the non-normal pressure working condition according to claim 1, wherein: the pressure-bearing container (1) is arranged on a plane through the supporting legs (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321277911.XU CN219830723U (en) | 2023-05-25 | 2023-05-25 | Gas-liquid-solid contact angle detection device under non-normal pressure working condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321277911.XU CN219830723U (en) | 2023-05-25 | 2023-05-25 | Gas-liquid-solid contact angle detection device under non-normal pressure working condition |
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| Publication Number | Publication Date |
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| CN219830723U true CN219830723U (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202321277911.XU Active CN219830723U (en) | 2023-05-25 | 2023-05-25 | Gas-liquid-solid contact angle detection device under non-normal pressure working condition |
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| Country | Link |
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| CN (1) | CN219830723U (en) |
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2023
- 2023-05-25 CN CN202321277911.XU patent/CN219830723U/en active Active
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