CN221100406U

CN221100406U - Liquid interfacial tension check valve pressurization testing device

Info

Publication number: CN221100406U
Application number: CN202322720433.1U
Authority: CN
Inventors: 施建辉; 刘洪�
Original assignee: Shanghai Solon Information Technology Co ltd
Current assignee: Shanghai Solon Information Technology Co ltd
Priority date: 2023-10-11
Filing date: 2023-10-11
Publication date: 2024-06-07
Anticipated expiration: 2033-10-11

Abstract

The application provides a liquid interfacial tension check valve pressurization testing device which comprises a sample tube, an adapter check valve and a sealing pressure cap, wherein a first accommodating cavity is formed in the sample tube, the first accommodating cavity is provided with a first opening and a second opening, the adapter is detachably connected to the first opening and is used for sealing the first opening, a runner is formed on the adapter and is communicated with the first accommodating cavity, the check valve is connected to the adapter and is communicated with the runner, the sealing pressure cap is detachably connected to the second opening and is used for sealing the second opening, and the check valve is used for injecting gas or target testing liquid into the sample tube so as to realize the adjustment of the pressure in the first accommodating cavity and ensure the pressure condition required by the test and the adjustment precision thereof.

Description

Liquid interfacial tension check valve pressurization testing device

Technical Field

The application belongs to the technical field of interfacial tension testing, and particularly relates to a liquid interfacial tension check valve pressurization testing device.

Background

At present, the measurement of the surface or interfacial tension of a liquid under high temperature and high pressure conditions, particularly the measurement of the surface and interfacial tension of a liquid under supercritical conditions, is a difficult point in the field of interfacial chemical measurement. In the case of testing the surface or interfacial tension of a liquid under high temperature and high pressure conditions, a sample tube is generally used, and a target liquid is injected into the sample tube and then the sample tube is sealed, so that the problem is generated: in the scheme, after the target liquid is injected into the sample tube for sealing, the pressure inside the sample tube can only maintain the pressure value after the sample tube is heated, the pressure inside the sample tube is easy to be an unknown pressure value due to expansion caused by heat and contraction caused by cold of the liquid inside the sample tube, and the pressure inside the sample tube can not be adjusted, so that the test result is influenced.

Disclosure of Invention

The embodiment of the application aims to provide a liquid interfacial tension check valve pressurization testing device, which is used for solving the technical problem that the testing pressure of the liquid surface or the inside of the interfacial tension testing device under the conditions of high temperature and high pressure in the prior art cannot be regulated.

In order to achieve the above purpose, the application adopts the following technical scheme: the utility model provides a liquid interfacial tension check valve pressurization testing arrangement, includes:

The sample tube is provided with a first accommodating cavity, the first accommodating cavity penetrates through the sample tube along the axial direction of the sample tube, and the first accommodating cavity is provided with a first opening and a second opening;

The adaptor is detachably connected to the first opening and used for sealing the first opening, a flow passage is formed in the adaptor, and the flow passage penetrates through the adaptor and is communicated with the first accommodating cavity;

The one-way valve is connected with the adapter and is communicated with the flow passage;

And the sealing press cap is detachably connected with the second opening and is used for sealing the second opening.

Preferably, the flow channel includes:

the pressurizing cavity is arranged on one side of the adapter close to the one-way valve and is communicated with the one-way valve;

The injection hole is arranged at one end of the adapter piece, which is close to the sample tube, and is communicated with the first accommodating cavity and the pressurizing cavity;

Wherein the diameter of the pressurizing cavity is larger than the diameter of the injection hole.

Preferably, the adaptor is provided with a first protruding portion, the first protruding portion is accommodated in the first accommodating cavity, and a first sealing ring is arranged between the first protruding portion and the inner wall of the sample tube.

Preferably, a first clamping groove is formed in the first protruding portion, and the first sealing ring is partially accommodated in the first clamping groove.

Preferably, the adaptor is provided with a first abutting end face, and a second sealing ring is arranged between the first abutting end face and the end wall of the first opening.

Preferably, the sealing press cap is provided with a second protruding portion, the second protruding portion is accommodated in the first accommodating cavity, and a third sealing ring is arranged between the second protruding portion and the inner wall of the sample tube.

Preferably, a second clamping groove is formed in the second protruding portion, and the third sealing ring is partially accommodated in the second clamping groove.

Preferably, the sealing press cap is provided with a second abutting end face, and a fourth sealing ring is arranged between the second abutting end face and the end wall of the second opening.

Preferably, the end part of the second protruding part far away from one end of the sealing pressing cap is a hemispherical cambered surface structure.

Preferably, the method further comprises:

The outer shell is provided with a second accommodating cavity, the second accommodating cavity extends along the axial direction of the outer shell and penetrates through the outer shell, and the side wall of the outer shell is provided with an observation port;

The sample tube is accommodated in the second accommodating cavity;

The adapter is in threaded connection with one end of the outer shell;

the sealing press cap is in threaded connection with the other end of the shell.

The liquid interfacial tension check valve pressurization testing device provided by the application has the beneficial effects that: compared with the prior art, the liquid interfacial tension check valve pressurization testing device comprises a sample tube, a switching piece check valve and a sealing pressure cap, wherein a first accommodating cavity is formed in the sample tube, the first accommodating cavity is provided with a first opening and a second opening, the switching piece is detachably connected to the first opening and is used for sealing the first opening, a runner is formed on the switching piece and is communicated with the first accommodating cavity, the check valve is connected to the switching piece and is communicated with the runner, the sealing pressure cap is detachably connected to the second opening and is used for sealing the second opening, and the check valve is used for injecting gas or target testing liquid into the sample tube so as to realize adjustment of pressure in the first accommodating cavity and ensure testing precision.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a device for testing the pressurization of a liquid interfacial tension check valve according to an embodiment of the present application;

FIG. 2 is a schematic diagram of a second embodiment of a device for testing pressurization of a liquid interfacial tension check valve;

FIG. 3 is a cross-sectional view of a liquid interfacial tension check valve pressurization testing device provided by an embodiment of the present application;

FIG. 4 is an enlarged view of the structure of portion A of FIG. 3;

Fig. 5 is an enlarged view of the B-section structure in fig. 3.

Wherein, each reference sign in the figure:

10. A sample tube; 11. a first accommodation chamber; 12. a first opening; 13. a second opening; 20. an adapter; 21. a flow passage; 211. a pressurizing chamber; 212. an injection hole; 22. a first boss; 221. a first clamping groove; 23. a first seal ring; 24. a first abutment end face; 25. a second seal ring; 30. a one-way valve; 40. sealing and pressing the cap; 41. a second protruding portion; 411. a second clamping groove; 412. a cambered surface structure; 42. a third seal ring; 43. a second abutment end face; 44. a third seal ring; 50. an outer housing; 51. a second accommodation chamber; 52. and (5) an observation port.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 5, a device for testing pressurization of a liquid interfacial tension check valve according to an embodiment of the application will now be described.

A liquid interfacial tension check valve 30 pressurization testing device comprises a sample tube 10, an adapter 20, a check valve 30, a sealing pressure cap 40 and an outer shell 50.

In the present application, the sample tube 10 may be made of transparent high temperature and high pressure resistant materials such as quartz glass, sapphire glass or aluminosilicate glass, and the outer housing 50 may be made of hastelloy, titanium alloy or 316 stainless steel.

The sample tube 10 is formed with a first accommodation chamber 11, the first accommodation chamber 11 penetrates the sample tube 10 in an axial direction of the sample tube 10, and the first accommodation chamber 11 has a first opening 12 and a second opening 13.

The outer casing 50 is provided with a second accommodating cavity 51, the second accommodating cavity 51 penetrates through the outer casing 50 along the axial direction of the outer casing 50, and the sample tube 10 is accommodated in the second accommodating cavity 51.

The adaptor 20 is screwed to an end of the outer housing 50 adjacent to the first opening 12 and detachably connected to the first opening 12, and the adaptor 20 is used for sealing the first opening 12. The adaptor 20 is formed with a flow passage 21, and the flow passage 21 penetrates the adaptor 20 and communicates with the first accommodating chamber 11.

The check valve 30 is screwed to the adapter 20, and the check valve 30 communicates with the flow passage 21. The sealing press cap 40 is screwed to an end of the outer case 50 adjacent to the second opening 13 and detachably connected to the second opening 13, and the sealing press cap 40 is used for sealing the second opening 13.

The check valve 30 is externally connected with a booster pump, and the booster pump is used for injecting gas or target liquid into the first accommodating cavity 11 through the flow channel 21 on the adapter 20 so as to boost the pressure of the first accommodating cavity 11.

Compared with the prior art, the liquid interfacial tension check valve 30 pressurization testing device provided by the application comprises a sample tube 10, an adapter 20 check valve 30 and a sealing pressure cap 40, wherein a first accommodating cavity 11 is formed in the sample tube 10, the first accommodating cavity 11 is provided with a first opening 12 and a second opening 13, the adapter 20 is detachably connected with the first opening 12 and is used for sealing the first opening 12, a flow passage 21 is formed on the adapter 20, the flow passage 21 is communicated with the first accommodating cavity 11, the check valve 30 is connected with the adapter 20, the check valve 30 is communicated with the flow passage 21, the sealing pressure cap 40 is detachably connected with the second opening 13 and is used for sealing the second opening 13, and the check valve 30 is used for injecting gas or target testing liquid into the sample tube 10 so as to realize pressure adjustment in the first accommodating cavity 11 and ensure testing precision.

In one embodiment of the present application, the flow passage 21 includes a pressurizing chamber 211 and an injection hole 212. The pressurizing chamber 211 is disposed at one side of the adapter 20 near the check valve 30, and communicates with the check valve 30. The injection hole 212 is provided at one end of the adapter 20 near the sample tube 10 and communicates with the first receiving chamber 11 and the pressurizing chamber 211. Wherein the diameter of the pressurizing chamber 211 is larger than the diameter of the injection hole 212.

In one embodiment of the present application, the adaptor 20 is provided with a first protruding portion 22, the first protruding portion 22 is accommodated in the first accommodating cavity 11, the first protruding portion 22 is provided with a first clamping groove 221, a first sealing ring 23 is disposed between the first protruding portion 22 and the inner wall of the sample tube 10, and a portion of the first sealing ring 23 is accommodated in the first clamping groove 221. The first sealing ring 23 is used for sealing the connection part of the first protruding part 22 and the first accommodating cavity.

The adaptor (20) is provided with a first abutting end face 24, and a second sealing ring 25 is arranged between the first abutting end face 24 and the end wall of the first opening 12. The second seal 25 is used to seal the area between the first abutment end face 24 and the end wall of the first opening 12.

In one embodiment of the present application, the sealing press cap 40 is provided with a second protruding portion 41, the second protruding portion 41 is accommodated in the first accommodating cavity 11, the second protruding portion 41 is provided with a second clamping groove 411, a third sealing ring 42 is arranged between the second protruding portion 41 and the inner wall of the sample tube 10, and the third sealing ring 42 is partially accommodated in the second clamping groove 411. The third sealing ring 42 is used for sealing the connection part between the second protruding part 41 and the first accommodating cavity.

The sealing press cap 40 is provided with a second abutting end face 43, and a fourth sealing ring 44 is arranged between the second abutting end face 43 and the end wall of the second opening 13. The second seal 25 is used to seal the area between the second abutment end face 43 and the end wall of the first opening 12.

Preferably, the first sealing ring 23, the second sealing ring 25, the third sealing ring 42 and the fourth sealing ring 44 are made of mica, perfluoro ether or fluorine rubber.

In one embodiment of the present application, the end of the second protrusion 41 remote from the end of the sealing cap 40 is a hemispherical cambered surface structure 412.

Specifically, in this embodiment, when the surface or interfacial tension test is performed on the target liquid, the outer phase refractive index and the image magnification are calibrated by the hemispherical cambered surface structure 412 at the end of the second protrusion 41 away from the end of the sealing press cap 40.

In one implementation of the application, the side wall of the outer casing 50 is provided with a plurality of observation ports 52, the observation ports 52 penetrate the outer casing 50 along the radial direction of the outer casing 50, and the plurality of observation ports 52 are uniformly spaced along the circumferential direction of the outer casing 50, so that the camera can observe the condition inside the sample tube 10 from different angles.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims

1. A liquid interfacial tension check valve (30) pressurization testing device, comprising:

A sample tube (10) formed with a first accommodation chamber (11), the first accommodation chamber (11) penetrating the sample tube (10) in an axial direction of the sample tube (10), and the first accommodation chamber (11) having a first opening (12) and a second opening (13);

A transfer member (20) detachably connected to the first opening (12) and used for sealing the first opening (12), wherein a flow passage (21) is formed on the transfer member (20), and the flow passage (21) penetrates through the transfer member (20) and is communicated with the first accommodating cavity (11);

a one-way valve (30) connected to the adapter (20), and the one-way valve (30) is in communication with the flow passage (21);

and a sealing press cap (40) detachably connected to the second opening (13) and used for sealing the second opening (13).

2. The liquid interfacial tension check valve (30) pressurization testing device as defined in claim 1, wherein said flow channel (21) comprises:

the pressurizing cavity (211) is arranged on one side of the adapter (20) close to the one-way valve (30) and is communicated with the one-way valve (30);

an injection hole (212) which is arranged at one end of the adapter piece (20) close to the sample tube (10) and is communicated with the first accommodating cavity (11) and the pressurizing cavity (211);

Wherein the diameter of the pressurizing cavity (211) is larger than the diameter of the injection hole (212).

3. The device for testing the pressurization of the liquid interfacial tension check valve (30) according to claim 2, wherein a first protruding portion (22) is arranged on the adapter (20), the first protruding portion (22) is accommodated in the first accommodating cavity (11), and a first sealing ring (23) is arranged between the first protruding portion (22) and the inner wall of the sample tube (10).

4. A liquid interfacial tension check valve (30) compression testing device as defined in claim 3 wherein,

The first bulge (22) is provided with a first clamping groove (221), and the first sealing ring (23) is partially accommodated in the first clamping groove (221).

5. A liquid interfacial tension check valve (30) compression testing device as defined in claim 4 wherein,

The adapter (20) is provided with a first abutting end face (24) face, and a second sealing ring (25) is arranged between the first abutting end face (24) and the end wall of the first opening (12).

6. The device for testing the pressurization of the liquid interfacial tension check valve (30) according to claim 1 or 5, wherein the sealing press cap (40) is provided with a second protruding part (41), the second protruding part (41) is accommodated in the first accommodating cavity (11), and a third sealing ring (42) is arranged between the second protruding part (41) and the inner wall of the sample tube (10).

7. The device for testing the pressurization of the liquid interfacial tension check valve (30) as claimed in claim 6, wherein a second clamping groove (411) is provided on the second protruding portion (41), and the third sealing ring (42) is partially accommodated in the second clamping groove (411).

8. A liquid interfacial tension check valve (30) compression testing device as defined in claim 7 wherein,

The sealing press cap (40) is provided with a second abutting end face (43) face, and a fourth sealing ring (44) is arranged between the second abutting end face (43) and the end wall of the second opening (13).

9. A liquid interfacial tension check valve (30) compression testing device as defined in claim 8 wherein,

The end part of the second protruding part (41) far away from one end of the sealing press cap (40) is a hemispherical cambered surface structure (412).

10. The liquid interfacial tension check valve (30) pressurization testing device as defined in claim 8, further comprising:

The device comprises an outer shell (50) and a plurality of guide rails, wherein a second accommodating cavity (51) is formed in the outer shell (50), the second accommodating cavity (51) extends along the axial direction of the outer shell (50) and penetrates through the outer shell (50), and an observation port (52) is formed in the side wall of the outer shell (50);

The sample tube (10) is accommodated in the second accommodating cavity (51);

The adaptor (20) is in threaded connection with one end of the outer shell (50);

The sealing press cap (40) is connected with the other end of the shell in a threaded mode.