CN216696155U - Solid sample introduction system of karl fischer coulometry micro-moisture tester - Google Patents
Solid sample introduction system of karl fischer coulometry micro-moisture tester Download PDFInfo
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- CN216696155U CN216696155U CN202123019716.0U CN202123019716U CN216696155U CN 216696155 U CN216696155 U CN 216696155U CN 202123019716 U CN202123019716 U CN 202123019716U CN 216696155 U CN216696155 U CN 216696155U
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- pipe
- injector
- micro
- inlet pipe
- karl fischer
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- 239000007787 solid Substances 0.000 title claims abstract description 26
- 238000003869 coulometry Methods 0.000 title claims abstract description 16
- 238000007599 discharging Methods 0.000 claims abstract description 21
- 238000001035 drying Methods 0.000 claims abstract description 20
- 238000002347 injection Methods 0.000 claims abstract description 18
- 239000007924 injection Substances 0.000 claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 239000011521 glass Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 17
- 239000000126 substance Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000004448 titration Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- -1 electric Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010561 standard procedure Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model discloses a solid sample introduction system of a karl fischer coulometry micro-moisture tester, comprising: electrolytic bath and injector, the electrolytic bath is equipped with the introduction port, the main part of injector is "T" type tube shape, and both ends are equipped with inlet pipe and discharging pipe respectively, and the mid portion is equipped with the air-supply line simultaneously, inlet pipe, discharging pipe, air-supply line with injector fixed connection formula structure as an organic whole, and communicate each other between inlet pipe, discharging pipe, the air-supply line, the discharging pipe with the cooperation installation of introduction port, the air-supply line position is equipped with drying device, drying device and air-supply line fixed mounting, drying device is equipped with the fan, the fan is by motor drive, simultaneously the fan is equipped with the heating network towards one side of air-supply line. The inner wall of the sample injector can be dried by the drying device before sample injection, and a dry sample injection environment can be created during sample injection.
Description
Technical Field
The utility model relates to the technical field of a karl Fischer coulometry micro-moisture tester, in particular to a solid sample injection system of the karl Fischer coulometry micro-moisture tester.
Background
The karl fischer method is abbreviated as fischer method and is a volumetric analysis method for measuring moisture proposed in 1935. The Fischer method is the most specific and accurate method for water in various chemical methods for measuring the moisture of substances. Although the method belongs to a classical method, the accuracy is improved and the measurement range is expanded through recent improvement, and the method is listed as a standard method for measuring moisture in a plurality of substances.
The Fischer method includes a titration method and a coulometric method. The method is suitable for measuring the water content in many inorganic compounds and organic compounds. Is a world-recognized classic method for measuring the moisture content of a substance. The method can quickly measure the moisture content in liquid, solid and gas, is the most specific and accurate chemical method, and is a universal industry standard analysis method in the world. The method is widely applied to the scientific research and other principles in the petroleum, chemical, electric, medicine and pesticide industries and colleges and universities.
The Karl Fischer moisture tester can be used for measuring moisture in a solid sample, the solid sample can be powder and particles (massive samples are crushed), the solid sample is injected by a solid sample injector, the solid sample injector is required to be cleaned by clear water before being used and then dried, but the solid sample injector is tubular, water stains are easy to remain on the inner wall, the Karl Fischer moisture tester is extremely sensitive, the water stains remained on the inner wall of the solid sample injector can influence the test, so that a solid sample injection system is necessary to be designed, the inner wall of the solid sample injector can be thoroughly dried before the solid sample injector is injected, and a dry sample injection environment is created.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a solid sample introduction system of a micro-moisture tester by a Karl Fischer coulometry method, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a solid sample injection system of a Karl Fischer coulometry micro-moisture tester comprises: electrolytic bath and injector, the electrolytic bath is equipped with the introduction port, the main part of injector is "T" type tube shape, and both ends are equipped with inlet pipe and discharging pipe respectively, and the mid portion is equipped with the air-supply line simultaneously, inlet pipe, discharging pipe, air-supply line with injector fixed connection formula structure as an organic whole, and communicate each other between inlet pipe, discharging pipe, the air-supply line, the discharging pipe with the cooperation installation of introduction port, the air-supply line position is equipped with drying device, drying device and air-supply line fixed mounting, drying device is equipped with the fan, the fan is by motor drive, simultaneously the fan is equipped with the heating network towards one side of air-supply line.
As a further scheme of the utility model: the middle section of the sample injector is cylindrical, two ends of the sample injector are conical, and the inner diameters of the feeding pipe and the discharging pipe are smaller than that of the sample injector.
As a further scheme of the utility model: the inner diameter of the feeding pipe is the same as that of the discharging pipe, and the inner diameter of the air inlet pipe is larger than that of the feeding pipe.
As a further scheme of the utility model: the feed pipe is provided with a plug.
As a further scheme of the utility model: the drying device and the air inlet pipe are detachably mounted.
As a further scheme of the utility model: the sample injector is made of transparent glass.
As a further scheme of the utility model: the fan can adjust the wind speed.
Compared with the prior art, the utility model has the beneficial effects that: the inner wall of the sample injector can be dried by the drying device before sample injection, and a dry sample injection environment can be created during sample injection.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic diagram of the internal structure of the sample injector of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, in an embodiment of the present invention, a solid sample injection system of a karl fischer coulometry micro-moisture meter includes: electrolytic cell 1 and sample injector 2, electrolytic cell 1 is equipped with introduction port 11, the main part of sample injector 2 is "T" type tube shape, and both ends are equipped with inlet pipe 21 and discharging pipe 22 respectively, and the mid portion is equipped with air-supply line 23 simultaneously, inlet pipe 21, discharging pipe 22, air-supply line 23 with 2 fixed connection formula structures as an organic whole of sample injector, and communicate each other between inlet pipe 21, discharging pipe 22, the air-supply line 23, discharging pipe 22 with the cooperation installation of introduction port 11, the air-supply line 23 position is equipped with drying device 3, drying device 3 and air-supply line 23 fixed mounting, drying device 3 is equipped with fan 31, fan 31 is by motor drive, simultaneously fan 31 is equipped with heating screen 32 towards one side of air-supply line 23.
The sample injector 2 adopts the transparent glass material, fan 31 can adjust the wind speed, after dry sample injector 2, can slow down fan 31 wind speed, then install it on introduction port 11, at this moment introduction port 11 to the dry environment that the inlet pipe 21 between the sampling channel can be in hot-blast building under, at this moment get into solid sample inlet pipe 21, close fan 31 afterwards, use the end cap seal inlet pipe 21 can, drying device 3 with air-supply line 23 demountable installation.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (7)
1. A solid sample injection system of a Karl Fischer coulometry micro-moisture tester comprises: electrolytic cell (1) and sample injector (2), its characterized in that: the electrolytic cell (1) is provided with a sample inlet (11), the main body of the sample injector (2) is in a T-shaped tube shape, a feed pipe (21) and a discharge pipe (22) are respectively arranged at two ends of the sample injector, meanwhile, the middle part is provided with an air inlet pipe (23), the feed pipe (21), the discharge pipe (22), the air inlet pipe (23) and the sample injector (2) are fixedly connected into an integral structure, the feeding pipe (21), the discharging pipe (22) and the air inlet pipe (23) are communicated with each other, the discharge pipe (22) is matched with the sample inlet (11) to be installed, the air inlet pipe (23) is provided with a drying device (3), the drying device (3) is fixedly installed with the air inlet pipe (23), the drying device (3) is provided with a fan (31), the fan (31) is driven by a motor, meanwhile, a heating net (32) is arranged on one side of the fan (31) facing the air inlet pipe (23).
2. The solid sample injection system of the Karl Fischer coulometry micro-moisture meter according to claim 1, characterized in that: the middle section of the sample injector (2) is cylindrical, two ends of the sample injector are conical, and the inner diameters of the feeding pipe (21) and the discharging pipe (22) are smaller than that of the sample injector (2).
3. The solid sample injection system of the Karl Fischer coulometry micro-moisture meter according to claim 1, characterized in that: the internal diameter of the feeding pipe (21) is the same as that of the discharging pipe (22), and the internal diameter of the air inlet pipe (23) is larger than that of the feeding pipe (21).
4. The solid sample injection system of the Karl Fischer coulometry micro-moisture meter according to claim 1, characterized in that: the feeding pipe (21) is provided with a plug.
5. The solid sample injection system of the Karl Fischer coulometry micro-moisture meter according to claim 1, characterized in that: the drying device (3) and the air inlet pipe (23) are detachably mounted.
6. The solid sample injection system of the Karl Fischer coulometry micro-moisture meter according to claim 1, characterized in that: the sample injector (2) is made of transparent glass.
7. The solid sample injection system of the Karl Fischer coulometry micro-moisture meter according to claim 1, characterized in that: the fan (31) is capable of adjusting the wind speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123019716.0U CN216696155U (en) | 2021-12-04 | 2021-12-04 | Solid sample introduction system of karl fischer coulometry micro-moisture tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123019716.0U CN216696155U (en) | 2021-12-04 | 2021-12-04 | Solid sample introduction system of karl fischer coulometry micro-moisture tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216696155U true CN216696155U (en) | 2022-06-07 |
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ID=81835552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123019716.0U Expired - Fee Related CN216696155U (en) | 2021-12-04 | 2021-12-04 | Solid sample introduction system of karl fischer coulometry micro-moisture tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216696155U (en) |
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2021
- 2021-12-04 CN CN202123019716.0U patent/CN216696155U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220607 |
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| CF01 | Termination of patent right due to non-payment of annual fee |