CN221038826U - Carbon nanotube conductive paste moisture tester - Google Patents
Carbon nanotube conductive paste moisture tester Download PDFInfo
- Publication number
- CN221038826U CN221038826U CN202322988383.5U CN202322988383U CN221038826U CN 221038826 U CN221038826 U CN 221038826U CN 202322988383 U CN202322988383 U CN 202322988383U CN 221038826 U CN221038826 U CN 221038826U
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- Prior art keywords
- sample injection
- injection bottle
- gas
- detection
- waste liquid
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000002041 carbon nanotube Substances 0.000 title claims abstract description 27
- 229910021393 carbon nanotube Inorganic materials 0.000 title claims abstract description 27
- 238000001514 detection method Methods 0.000 claims abstract description 78
- 239000007789 gas Substances 0.000 claims abstract description 70
- 238000002347 injection Methods 0.000 claims abstract description 57
- 239000007924 injection Substances 0.000 claims abstract description 57
- 239000007788 liquid Substances 0.000 claims abstract description 54
- 239000002699 waste material Substances 0.000 claims abstract description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- 238000011084 recovery Methods 0.000 claims abstract description 21
- 239000012159 carrier gas Substances 0.000 claims abstract description 19
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims description 23
- 238000010438 heat treatment Methods 0.000 claims description 21
- 238000004321 preservation Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 4
- 239000000084 colloidal system Substances 0.000 abstract description 2
- 239000000839 emulsion Substances 0.000 abstract description 2
- 239000011343 solid material Substances 0.000 abstract description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 10
- XNWFRZJHXBZDAG-UHFFFAOYSA-N 2-METHOXYETHANOL Chemical compound COCCO XNWFRZJHXBZDAG-UHFFFAOYSA-N 0.000 description 9
- 239000007787 solid Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000003153 chemical reaction reagent Substances 0.000 description 6
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 239000002002 slurry Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 229910021389 graphene Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a carbon nanotube conductive paste moisture tester, which comprises: the device comprises a sample injection bottle, a detection tank, a waste liquid recovery device, a carrier gas device and a gas transmission system, wherein an indication electrode and an electrolysis electrode are arranged in the detection tank, the detection tank is connected with the sample injection bottle through the gas transmission system, the part of the gas transmission system arranged in the detection tank is arranged below the liquid level, and the part of the gas transmission system arranged in the sample injection bottle is arranged at the upper part of the sample injection bottle; the waste liquid recovery device is arranged on a branch gas pipeline between the sample injection bottle and the detection pool, the carrier gas device is connected with the sample injection bottle through an air inlet pipe, the part of the air inlet pipe in the sample injection bottle is arranged at the lower part of the sample injection bottle, and a gas flowmeter is arranged on the air inlet pipe. The utility model has simple structure, can be used for detecting the moisture of various colloid, emulsion, solid materials and the like, and has wide application range.
Description
Technical Field
The utility model relates to the technical field of moisture separation testing, in particular to a carbon nanotube conductive paste moisture meter.
Background
The carbon nanotube conductive paste is mainly carbon conductive paste, and comprises conductive carbon black, conductive graphite, carbon nanotubes, graphene and mixed paste thereof, the water control requirement is low, and the carbon nanotube conductive paste is mainly directly injected into a Karl Fischer moisture meter to test the water content at present, so that the Karl Fischer reagent and a measuring electrode are greatly polluted due to carbon substances and other chemical substances in the carbon nanotube conductive paste, the Karl Fischer reagent needs to be replaced frequently, the operation and the use are complicated, and the cost is increased. In addition, the card type furnace and the Karl Fischer moisture meter are matched, the card type furnace needs to bake out moisture of the carbon nanotube conductive paste and bring the moisture into the moisture meter through carrier gas, but most of the carbon nanotube conductive paste is organic matters such as NMP and a small amount of other organic matters, when the moisture is separated by heating, the organic matters such as NMP are easy to block and pollute a gas auxiliary transmission system, so that the carrier gas carries insufficient moisture, and the higher carrier gas flow easily blows away methanol in the Karl Fischer reagent, thereby affecting the accuracy of moisture measurement. Therefore, it is necessary to relate to a carbon nanotube conductive paste moisture meter to solve the above technical problems.
Disclosure of Invention
The utility model provides a carbon nanotube conductive paste moisture tester, which is used for solving the problems that in the prior art, a Karl Fischer reagent and a measuring electrode are directly injected into and tested by the conductive paste of a carbon nanotube, and organic matters such as NMP and the like are easy to block and pollute a gas auxiliary transmission system when heating and separating moisture.
According to an aspect of an embodiment of the present utility model, there is provided a carbon nanotube conductive paste moisture meter including:
the device comprises a sample injection bottle, a detection tank, a waste liquid recovery device, a carrier gas device and a gas transmission system, wherein an indication electrode and an electrolysis electrode are arranged in the detection tank, the detection tank is connected with the sample injection bottle through the gas transmission system, the part of the gas transmission system arranged in the detection tank is arranged below the liquid level, and the part of the gas transmission system arranged in the sample injection bottle is arranged at the upper part of the sample injection bottle; the waste liquid recovery device is arranged on a branch gas pipeline between the sample injection bottle and the detection tank, and a waste liquid control valve is arranged on the branch gas pipeline at the upper end of the waste liquid recovery device, so that the waste liquid control valve is closed in the detection process; the carrier gas device is connected with the sample injection bottle through an air inlet pipe, the part of the air inlet pipe in the sample injection bottle is arranged at the lower part of the sample injection bottle, and the air inlet pipe is provided with a gas flowmeter; the sample injection bottle is provided with a heating device outside, and the gas transmission system is provided with a heat preservation device outside.
Further, a gas control valve and a pressure reducing valve are arranged on the gas inlet pipe and used for controlling the on-off and flow of gas.
Furthermore, the air inlet end and the air outlet end of the sample injection bottle are needle-shaped ports.
Further, a detection control valve is arranged on the gas transmission system between the detection tank and the waste liquid recovery device, the detection control valve is in an open state during detection, and the detection control valve is in a closed state during cleaning.
Further, the moisture analyzer also comprises a control system, wherein the control system is connected with the indicating electrode, the electrolysis electrode, the waste liquid control valve and the gas flowmeter.
Further, the control system is also connected with a gas control valve.
Further, the control system is connected with a detection control valve.
Further, the heating device comprises a heating part and a heating sleeve which is consistent with the external shape of the sample injection bottle, so that the sample injection bottle is arranged in the heating sleeve.
Furthermore, the sample injection bottle, the detection tank and the waste liquid recovery device are in a closed state.
Furthermore, the sample injection bottle is also connected with a cleaning liquid bottle through a cleaning pipe, and the connection port of the cleaning pipe and the sample injection bottle is a needle-shaped port.
Further, a cleaning liquid pump is arranged on the cleaning pipe.
Further, the carrier gas in the carrier gas device is pure nitrogen.
Further, the detection reagent in the detection cell is a karl fischer reagent.
Further, the heat preservation device is an insulation box, and the gas transmission device and the detection control valve are all arranged in the insulation box.
Further, the heat preservation device is a heat preservation sleeve, and the outer surfaces of the gas transmission device and the detection control valve are wrapped with a layer of heat preservation sleeve.
The embodiment of the utility model has the beneficial effects that: according to the utility model, the carbon nanotube conductive slurry is heated by the heating device, so that liquid and solid are separated, water in the slurry is volatilized, and gas blown out by the carrier gas device is sent into the detection pool for detection. The gas is used for assisting the water to enter the detection tank, so that the detection result is more accurate, and the pollution and waste of the solid in the conductive slurry to the Karl Fischer reagent liquid are reduced. The air inlet end and the air outlet end of the sample injection bottle are connected in a needle shape, so that the problem that organic solids block the pipe orifice is avoided. The utility model has simple structure, can be used for detecting the moisture of various colloid, emulsion, solid materials and the like, and has wide application range.
The foregoing description is only an overview of the present utility model, and is intended to be implemented in accordance with the teachings of the present utility model in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present utility model more readily apparent.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
fig. 1 is a schematic structural diagram of a carbon nanotube conductive paste moisture meter according to the present utility model.
In the figure: 1 is a detection pool, 2 is an indication electrode, 3 is an electrolysis electrode, 4 is a gas transmission system, 5 is a waste liquid recovery device, 6 is a heating device, 7 is a sample injection bottle, 8 is an air inlet pipe, 9 is a gas control valve, 10 is a carrier gas device, 11 is a gas flowmeter, 12 is a pressure reducing valve, 13 is a detection control valve, 14 is a waste liquid control valve, and 15 is a branch gas pipeline.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "inner," "bottom," and the like indicate orientations or positional relationships based on the orientation or positional relationships in use, and are merely used for convenience in describing the present utility model and simplifying the description, rather than indicating or implying that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The embodiment of the utility model provides a carbon nanotube conductive paste moisture meter, which comprises:
A sample feeding bottle 7, a detection pool 1, a waste liquid recovery device 5, a carrier gas device 10 and a gas transmission system 4,
An indication electrode 2 and an electrolysis electrode 3 are arranged in the detection cell 1;
The detection tank 1 is connected with the sample injection bottle 7 through the gas transmission system 4, the part of the gas transmission system 4 arranged in the detection tank 1 is arranged below the liquid level, and the part arranged in the sample injection bottle 7 is arranged at the upper part of the sample injection bottle 7; the gas in the sample injection bottle 7 is blown into the detection pool 1 through the gas transmission system 4 and directly enters the detection reagent, so that the detection accuracy is improved.
The waste liquid recovery device 5 is arranged on a branch gas pipeline 15 between the sample injection bottle 7 and the detection tank 1, and a waste liquid control valve 14 is arranged on the branch gas pipeline 15 at the upper end of the waste liquid recovery device 5, so that the waste liquid control valve 14 is closed in the detection process; because the carbon nanotube conductive adhesive contains solids, in order to prevent the residue in the sample bottle 7 from affecting the next detection after detection and to avoid the dried solids from blocking the gas transmission system 4 under the nitrogen purge, the sample bottle 7 needs to be cleaned after detection, and the waste liquid control valve 14 is opened and the detection control valve 13 is closed during cleaning to discharge the waste liquid into the waste liquid recovery device 5.
The carrier gas device 10 is connected with the sample injection bottle 7 through an air inlet pipe 8, the part of the air inlet pipe 8 in the sample injection bottle 7 is arranged at the lower part of the sample injection bottle 7, and the air inlet pipe 8 is provided with a gas flowmeter 11; the gas flowmeter 11 is used for controlling the size of the gas flow, so that the too low gas flow detection speed is avoided, and the detection accuracy is reduced; excessive air flow is easy to blow methanol reagent in the Karl Fischer reagent in the detection cell 1, so that the detection result is affected.
The sample injection bottle 7 is provided with a heating device 6 outside, and the gas transmission system 4 is provided with a heat preservation device (not labeled in the drawing) outside. The liquid and the solid in the sample to be detected are separated by heating the heating device 6, so that the pollution and the waste of the detection reagent after the solid heats the detection reagent are avoided; the outside of the gas transmission system 4 is insulated, so that the heated gas is prevented from being cooled and adhered to the pipe wall of the gas transmission system 4 when passing through the gas transmission system 4, the detection result is affected, and the gas transmission system 4 is blocked.
The air inlet pipe 8 is provided with a gas control valve 9 and a pressure reducing valve 12 for controlling the opening and closing and flow of the gas.
The air inlet end and the air outlet end of the sample injection bottle 7 are needle-shaped ports, so that solid organic matters are prevented from blocking the air inlet end or the air outlet end in purging.
The gas transmission system 4 between the detection tank 1 and the waste liquid recovery device 5 is provided with a detection control valve 13, the detection control valve 13 is in an open state during detection, and the detection control valve 13 is in a closed state during cleaning.
In order to realize full-automatic detection and simplify the operation flow, the moisture meter further comprises a control system, and the control system is connected with the indicating electrode 2, the electrolysis electrode 3, the waste liquid control valve 14 and the gas flowmeter 11. The control system is used for realizing the on-off, the on-off of the control valve, the recording and the calculation of data and the like.
The control system is also connected to a gas control valve 9.
The control system is connected with a detection control valve 13.
The heating device 6 comprises a heating part and a heating sleeve which is consistent with the external shape of the sample injection bottle 7, so that the sample injection bottle 7 is arranged in the heating sleeve.
In order to avoid the influence of moisture in the outside air on the detection result, the sample injection bottle 7, the detection cell 1 and the waste liquid recovery device 5 are in a closed state.
The sample injection bottle 7 is also connected with a cleaning liquid bottle (not labeled in the drawing) through a cleaning pipe, and the connection port of the cleaning pipe and the sample injection bottle 7 is a needle-shaped port.
The cleaning tube is provided with a cleaning liquid pump (not shown in the drawings).
The carrier gas in the carrier gas device 10 is pure nitrogen.
The detection reagent in the detection cell 1 is a karl fischer reagent.
In one embodiment, the heat preservation device is an incubator, and the gas transmission device and the detection control valve 13 are all arranged inside the incubator.
In another embodiment, the heat preservation device is a heat preservation sleeve, and a layer of heat preservation sleeve is wrapped on the outer surfaces of the gas transmission device and the detection control valve 13.
The using process of the carbon nano tube conductive paste moisture tester comprises the following steps:
When the sample moisture detection is required, after the device is connected, the waste liquid control valve 14 is closed, the detection control valve 13 is opened, and the heating device 6 is opened. And opening a carrier gas device 10, adjusting a pressure reducing valve 12, opening a gas control valve 9, firstly passing pure nitrogen for a period of time, enabling the interior of the moisture tester to have no moisture, then testing the moisture content of a standard sample, recording, after the moisture tester is balanced, feeding the carbon nanotube conductive paste from a sample feeding bottle 7, evaporating the moisture in the conductive paste into water vapor under the action of a heating device 6, and flowing out from an air inlet pipe 8 under the drive of the pure nitrogen, and entering a Karl Fischer reagent in a detection tank 1 through a gas transmission system 4. The water content is recorded after the balance of the water content tester is detected through the indicating electrode 2 and the electrolytic electrode 3.
After detection, the pipeline is cleaned, at the moment, the detection control valve 13 is closed, the waste liquid control valve 14 is opened, a certain amount of cleaning liquid is extracted from the cleaning liquid bottle into the sample injection bottle 7 through the cleaning liquid pump, the heating device 6 is used for heating the cleaning liquid, the cleaning liquid dissolves residues in the sample injection bottle 7 and brings out of the sample injection bottle 7 through carrier gas, and the cleaning liquid simultaneously cleans the gas transmission system 4, enters the waste liquid recovery device 5 for condensation, and is collected in the waste liquid recovery device 5 until no residual liquid exists in the sample injection bottle 7.
The foregoing embodiment numbers of the present utility model are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are to be protected by the present utility model.
Claims (7)
1. A carbon nanotube conductive paste moisture meter, comprising:
the device comprises a sample injection bottle, a detection tank, a waste liquid recovery device, a carrier gas device and a gas transmission system, wherein an indication electrode and an electrolysis electrode are arranged in the detection tank, the detection tank is connected with the sample injection bottle through the gas transmission system, the part of the gas transmission system arranged in the detection tank is arranged below the liquid level, and the part of the gas transmission system arranged in the sample injection bottle is arranged at the upper part of the sample injection bottle; the waste liquid recovery device is arranged on a branch gas pipeline between the sample injection bottle and the detection tank, and a waste liquid control valve is arranged on the branch gas pipeline at the upper end of the waste liquid recovery device, so that the waste liquid control valve is closed in the detection process; the carrier gas device is connected with the sample injection bottle through an air inlet pipe, the part of the air inlet pipe in the sample injection bottle is arranged at the lower part of the sample injection bottle, and the air inlet pipe is provided with a gas flowmeter; the sample injection bottle is provided with a heating device outside, and the gas transmission system is provided with a heat preservation device outside.
2. The carbon nanotube conductive paste moisture meter of claim 1 wherein: the air inlet pipe is provided with a gas control valve and a pressure reducing valve for controlling the on-off and flow of gas.
3. The carbon nanotube conductive paste moisture meter of claim 1 wherein: the air inlet end and the air outlet end of the sample injection bottle are needle-shaped ports.
4. The carbon nanotube conductive paste moisture meter of claim 1 wherein: the gas transmission system between the detection tank and the waste liquid recovery device is provided with a detection control valve, the detection control valve is in an open state during detection, and the detection control valve is in a closed state during cleaning.
5. The carbon nanotube conductive paste moisture meter of any one of claims 1-4 wherein: the moisture analyzer also comprises a control system, wherein the control system is connected with the indicating electrode, the electrolysis electrode, the waste liquid control valve and the gas flowmeter.
6. The carbon nanotube conductive paste moisture meter of claim 1 wherein: the sample injection bottle, the detection tank and the waste liquid recovery device are in a closed state.
7. The carbon nanotube conductive paste moisture meter of claim 1 wherein: the sample injection bottle is also connected with a cleaning liquid bottle through a cleaning pipe, and the connection port of the cleaning pipe and the sample injection bottle is a needle-shaped port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322988383.5U CN221038826U (en) | 2023-11-06 | 2023-11-06 | Carbon nanotube conductive paste moisture tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322988383.5U CN221038826U (en) | 2023-11-06 | 2023-11-06 | Carbon nanotube conductive paste moisture tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221038826U true CN221038826U (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322988383.5U Active CN221038826U (en) | 2023-11-06 | 2023-11-06 | Carbon nanotube conductive paste moisture tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221038826U (en) |
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2023
- 2023-11-06 CN CN202322988383.5U patent/CN221038826U/en active Active
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