CN211253389U - Ion chromatography regeneration liquid storage device for on-line monitoring of pure water conductivity - Google Patents
Ion chromatography regeneration liquid storage device for on-line monitoring of pure water conductivity Download PDFInfo
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- CN211253389U CN211253389U CN201921955671.8U CN201921955671U CN211253389U CN 211253389 U CN211253389 U CN 211253389U CN 201921955671 U CN201921955671 U CN 201921955671U CN 211253389 U CN211253389 U CN 211253389U
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- branch pipe
- conductivity
- liquid storage
- pipe orifice
- pure water
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- 239000007788 liquid Substances 0.000 title claims abstract description 62
- 238000003860 storage Methods 0.000 title claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 230000008929 regeneration Effects 0.000 title claims abstract description 25
- 238000011069 regeneration method Methods 0.000 title claims abstract description 25
- 238000004255 ion exchange chromatography Methods 0.000 title claims abstract description 23
- 238000012544 monitoring process Methods 0.000 title claims abstract description 15
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000003112 inhibitor Substances 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 11
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- 239000012492 regenerant Substances 0.000 claims 1
- 239000011550 stock solution Substances 0.000 abstract description 10
- 229910001873 dinitrogen Inorganic materials 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract 1
- 230000007306 turnover Effects 0.000 abstract 1
- 239000012498 ultrapure water Substances 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- 150000002500 ions Chemical class 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 229910021642 ultra pure water Inorganic materials 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000004128 high performance liquid chromatography Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 150000001768 cations Chemical class 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- IEJIGPNLZYLLBP-UHFFFAOYSA-N dimethyl carbonate Chemical compound COC(=O)OC IEJIGPNLZYLLBP-UHFFFAOYSA-N 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000004811 liquid chromatography Methods 0.000 description 1
- 229910003002 lithium salt Inorganic materials 0.000 description 1
- 159000000002 lithium salts Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- -1 nitrate ions Chemical class 0.000 description 1
- 239000006259 organic additive Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 238000009210 therapy by ultrasound Methods 0.000 description 1
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Abstract
The utility model provides an ion chromatography regeneration liquid storage device of on-line monitoring pure water conductivity, including the stock solution bottle that is used for storing the regeneration liquid, conductivity tester and test electrode, stock solution bottle upper portion has the main bottleneck that is used for the regeneration liquid business turn over, main bottleneck can be dismantled and is connected with the main bottle lid, stock solution bottle upper portion is equipped with the first branch mouth of pipe that is used for the conductivity test, a third branch mouth of pipe that is used for connecting the second branch mouth of pipe of inhibitor and is used for connecting nitrogen gas, be equipped with the display screen that is used for showing conductivity test value on the conductivity detector, a plug that is used for controlling the conductivity detector to launch and the test switch who stops and be used for connecting external power supply, the conductivity tester passes through the wire electricity with test electrode and is connected, the front end of test electrode passes first branch mouth of pipe and stretches into. The utility model discloses but the pure water conductivity in the real-time supervision stock solution bottle in time judges in the stock solution bottle whether pure water can use, prevents because of the test anomaly that the quality of water problem leads to.
Description
Technical Field
The utility model relates to an ion chromatogram regeneration liquid stores technical field, concretely relates to ion chromatogram regeneration liquid storage device of on-line monitoring pure water conductivity.
Background
Ion Chromatography (IC) is one type of High Performance Liquid Chromatography (HPLC), a liquid chromatography method that analyzes anions and cations. The method applies the principle of ion exchange and utilizes the ionicity of the substance to be detected to separate and detect the substance. Unlike conventional high performance liquid chromatography, ion chromatography is mainly used to separate polar and partially weakly polar compounds. The method also has the advantages of good selectivity, good reproducibility, sensitivity, rapidness, convenience and the like, and the ion chromatography can simultaneously measure a plurality of components and can also independently measure certain ions by matching with different detectors. The ion chromatography is an important component analysis means in the field of lithium battery materials, is mainly used for researching the type and the specific component content of lithium salt in the battery electrolyte, can also detect chloride ions, nitrate ions and the like in organic additive dimethyl carbonate in the electrolyte, and is widely applied in the field of lithium batteries. The suppressor is one of the key components of ion chromatography, and is favorable for reducing the background conductivity of leacheate and increasing the conductivity value of the detected ions so as to improve the signal-to-noise ratio of detection. Therefore, the suppressor is also a factor to be considered in selecting the separation column and the eluting solution, and the precondition for suppressing the reaction is the regenerating solution. The regeneration liquid of the ion chromatography is usually pure water or an aqueous solution containing a trace amount of sulfuric acid, the pure water used by the regeneration liquid must be high-purity water (with resistivity ≧ 17M Ω and 0.22 μ M filter membrane filtration), and in practical application, the high-purity water usually has particles or bacteria breeding due to insufficient filtration or long-term standing, which further causes ion chromatography pipeline blockage and bubble generation, affects test results, and even causes the instrument to be incapable of normal use. Therefore, it is crucial to design an ion chromatography regeneration liquid storage device for on-line monitoring of pure water conductivity.
SUMMERY OF THE UTILITY MODEL
Based on the technical problem that the background art exists, the utility model provides an ion chromatogram regeneration liquid storage device of on-line monitoring pure water conductivity, but the pure water conductivity in the real-time supervision stock solution bottle.
The utility model provides an ion chromatography regeneration liquid storage device for monitoring the conductivity of pure water on line, which comprises a liquid storage bottle for storing regeneration liquid, a conductivity tester and a test electrode;
the upper part of the liquid storage bottle is provided with a main bottle mouth for the inlet and outlet of regenerated liquid, the main bottle mouth is detachably connected with a main bottle cap, and the upper part of the liquid storage bottle is provided with a first branch pipe mouth for conductivity test, a second branch pipe mouth for connecting a suppressor and a third branch pipe mouth for connecting nitrogen;
the conductivity detector is provided with a display screen for displaying a conductivity test value, a test switch for controlling the conductivity detector to start and stop and a plug for connecting an external power supply, the conductivity tester is electrically connected with the test electrode through a lead, and the front end of the test electrode can pass through the first branch pipe orifice and extend into the liquid storage bottle.
Preferably, a first branch pipe cover is arranged at the first branch pipe opening, a first through hole for the test electrode to penetrate through is formed in the first branch pipe cover, a second branch pipe cover is arranged at the second branch pipe opening, a second through hole for connecting a suppressor is formed in the second branch pipe cover, a third branch pipe cover is arranged at the third branch pipe opening, and a third through hole for connecting nitrogen is formed in the third branch pipe cover.
Preferably, be equipped with the internal thread in the first branch pipe mouth, first branch pipe is covered and is equipped with the external screw thread with the orificial internal thread assorted of first branch, second branch pipe inner wall is equipped with the internal thread, the second branch pipe is covered and is equipped with the external screw thread with the orificial internal thread assorted of second branch, be equipped with the internal thread in the orificial third branch pipe, the third branch pipe is covered and is equipped with the orificial internal thread assorted external screw thread with the third branch, main bottleneck outer wall is equipped with the external screw thread, main bottle lid inner wall is equipped with the external screw thread assorted internal thread with main bottleneck.
Preferably, the sealing device further comprises a first sealing branch cover body used for sealing the first branch pipe orifice, and the first sealing branch cover body is detachably connected with the first branch pipe orifice.
Preferably, the outer wall of the bottle body of the liquid storage bottle is provided with scale marks.
Preferably, the first branch pipe orifice, the second branch pipe orifice and the third branch pipe orifice are integrally formed with the liquid storage bottle.
Compared with the prior art, the utility model discloses a first branch mouth of pipe connects the conductivity tester, and second branch mouth of pipe connects the inhibitor, and nitrogen gas is connected to the third branch mouth of pipe, and accessible conductivity tester carries out real-time conductivity detection to the regeneration liquid in the stock solution bottle, combines ion chromatography water standard and ultrapure water requirement, can in time obtain pure water quality of water information in the stock solution bottle, and then judges whether it can use, prevents because of the test anomaly that the quality of water problem leads to, and what more does not arouse trouble such as instrument jam. Moreover, if the instrument breaks down in the using process, the fault reason can be judged according to the conductivity test value, and the starting or the stopping of the conductivity tester can be flexibly selected according to the type of liquid in the regenerated liquid storage bottle, so that the instrument is convenient.
Drawings
Fig. 1 is a schematic structural diagram of an ion chromatography regeneration liquid storage device for on-line monitoring of pure water conductivity according to the present invention.
Detailed Description
Referring to fig. 1, the utility model provides an ion chromatography regeneration liquid storage device for on-line monitoring of pure water conductivity, which comprises a liquid storage bottle for storing regeneration liquid, a conductivity tester and a test electrode;
the upper part of the liquid storage bottle is provided with a main bottle mouth 1 for the inlet and outlet of regenerated liquid, the main bottle mouth 1 is detachably connected with a main bottle cap 2, and the upper part of the liquid storage bottle is provided with a first branch pipe mouth 3 for conductivity test, a second branch pipe mouth 4 for connecting a suppressor and a third branch pipe mouth 5 for connecting nitrogen;
the conductivity detector 6 is provided with a display screen 61 for displaying a conductivity test value, a switch 62 for controlling the conductivity detector 6 to start and stop, and a plug for connecting an external power supply, the conductivity detector is electrically connected with the test electrode through a lead, and the front end of the test electrode can pass through the first branch pipe orifice 3 and extend into the liquid storage bottle.
The utility model discloses a conductivity tester is connected to first branch mouth of pipe 3, 4 connection suppressors of second branch mouth of pipe, nitrogen gas is connected to third branch mouth of pipe 5, accessible conductivity tester 6 carries out real-time conductivity detection to the regeneration liquid in the stock solution bottle, combines ion chromatography water standard and ultrapure water requirement, can in time obtain pure water quality of water information in the stock solution bottle, and then judges whether it can use, prevent because of the test abnormity that the quality of water problem leads to, even more very person arouses trouble such as instrument jam. Moreover, if the instrument breaks down in the using process, the fault reason can be judged according to the conductivity test value, and the starting or the stopping of the conductivity tester can be flexibly selected according to the type of liquid in the regenerated liquid storage bottle, so that the instrument is convenient.
When the device is used, the main bottle cap 2 of the liquid storage bottle is unscrewed, the connecting pipeline connected with the suppressor, the connecting pipeline connected with nitrogen and the test electrode are taken out, and the liquid storage bottle is cleaned by ultra-pure water for three times; putting the ultrapure water subjected to suction filtration (passing through a 0.22-micrometer filter membrane) into a liquid storage bottle through a main bottle mouth 1, performing ultrasonic treatment for 15min, screwing a bottle cap of the liquid storage bottle, respectively penetrating a test electrode, a suppressor connecting pipeline and a nitrogen connecting pipeline through branch pipe mouths and extending into the water in the liquid storage bottle, then opening a switch 62, performing preliminary detection on the quality of the pure water, normally using the pure water if qualified, otherwise, reprocessing the pure water until the conductivity reaches the standard, and performing detection. When the test is finished, the switch 62 is closed.
In order to facilitate fixing of the test electrode and a pipeline connected with the suppressor and/or nitrogen, in a specific embodiment, a first branch pipe cover 7 is arranged at the position of the first branch pipe port 3, a first through hole for the test electrode to penetrate through is formed in the first branch pipe cover 7, a second branch pipe cover 8 is arranged at the position of the second branch pipe port 4, a second through hole for connecting the suppressor is formed in the second branch pipe cover 8, a third branch pipe cover 9 is arranged at the position of the third branch pipe port 5, and a third through hole for connecting nitrogen is formed in the third branch pipe cover 9. The stability of the device and the accuracy of the measured data are guaranteed through the connecting pipeline of the first through hole fixing test electrode, the second through hole fixing suppressor and the connecting pipeline of the third through hole fixing suppressor and the connecting pipeline of the nitrogen.
In order to facilitate the dismouting and the combination of device, in the embodiment, be equipped with the internal thread in the first branch mouth 3, be equipped with the external screw thread with the internal thread assorted of first branch mouth 3 on the first branch pipe lid 7, be equipped with the internal thread in the second branch mouth 4, be equipped with the external screw thread with the internal thread assorted of second branch mouth 4 on the second branch pipe lid 8, be equipped with the internal thread in the third branch mouth of pipe 5, be equipped with the external screw thread with the internal thread assorted of third branch mouth of pipe 5 on the third branch pipe lid 9, 1 outer wall of main bottleneck is equipped with the external screw thread, 2 inner walls of main bottle lid are equipped with the internal thread assorted with main bottleneck 1. Through the spiro union of internal thread and corresponding external screw thread to make first branch mouth of pipe 3 and first branch pipe lid 7 fixed connection, second branch mouth of pipe 4 and second branch pipe lid 8 fixed connection, third branch pipe lid 9 corresponds with third branch mouth of pipe 5 and is connected.
In actual use, the first branch pipe cover 7, the second branch pipe cover 8 and the third branch pipe cover 9 are all punch screws which are easy to screw.
In order to avoid impurities from entering the liquid storage bottle, in a specific embodiment, the liquid storage bottle further comprises a first sealing branch cover body 10 for sealing the first branch pipe opening 3, and the first sealing branch cover body 10 is detachably connected with the first branch pipe opening 3. When the test electrode is taken out, the first branch pipe cover 7 is taken out at the same time, and the first branch pipe opening is sealed by the first sealing branch cover body 10, so that impurities are prevented from entering the liquid storage bottle.
In actual use, the first seal branch cover 10 is a seal punch screw.
In order to facilitate the observation of the amount of the regeneration liquid in the liquid storage bottle, in a specific embodiment, scale marks are arranged on the outer wall of the bottle body of the liquid storage bottle.
In actual use, the total volume of the liquid storage bottle is 2L, the number of the scale marks is 9, and each scale mark represents 200mL of volume.
For the convenience of manufacturing the liquid storage bottle, in a specific embodiment, the first branch orifice 3, the second branch orifice 4 and the third branch orifice 5 are integrally formed with the liquid storage bottle.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. An ion chromatography regeneration liquid storage device for monitoring the conductivity of pure water on line is characterized by comprising a liquid storage bottle for storing regeneration liquid, a conductivity tester and a test electrode;
the upper part of the liquid storage bottle is provided with a main bottle mouth (1) for the inlet and outlet of regenerated liquid, the main bottle mouth (1) is detachably connected with a main bottle cap (2), and the upper part of the liquid storage bottle is provided with a first branch pipe orifice (3) for conductivity test, a second branch pipe orifice (4) for connecting an inhibitor and a third branch pipe orifice (5) for connecting nitrogen;
the conductivity detector (6) is provided with a display screen (61) for displaying a conductivity test value, a switch (62) for controlling the conductivity detector (6) to start and stop and a plug for connecting an external power supply, the conductivity detector is electrically connected with the test electrode through a lead, and the front end of the test electrode can pass through the first branch pipe orifice (3) and extend into the liquid storage bottle.
2. The ion chromatography regeneration liquid storage device for on-line monitoring of pure water conductivity according to claim 1, wherein a first branch pipe cover (7) is disposed at the first branch pipe orifice (3), a first through hole for passing through a test electrode is formed in the first branch pipe cover (7), a second branch pipe cover (8) is disposed at the second branch pipe orifice (4), a second through hole for connecting a suppressor is formed in the second branch pipe cover (8), a third branch pipe cover (9) is disposed at the third branch pipe orifice (5), and a third through hole for connecting nitrogen is formed in the third branch pipe cover (9).
3. The ion chromatography regeneration liquid storage device for on-line monitoring of pure water conductivity as claimed in claim 2, wherein an internal thread is provided in the first branch pipe orifice (3), an external thread matched with the internal thread of the first branch pipe orifice (3) is provided on the first branch pipe cover (7), an internal thread is provided in the second branch pipe orifice (4), an external thread matched with the internal thread of the second branch pipe orifice (4) is provided on the second branch pipe cover (8), an internal thread is provided in the third branch pipe orifice (5), an external thread matched with the internal thread of the third branch pipe orifice (5) is provided on the third branch pipe cover (9), an external thread is provided on the outer wall of the main bottle mouth (1), and an internal thread matched with the external thread of the main bottle mouth (1) is provided on the inner wall of the main bottle cap (2).
4. The ion chromatography regeneration liquid storage device for on-line monitoring of conductivity of pure water according to claim 1, further comprising a first sealing branch cover body (10) for sealing the first branch pipe orifice (3), wherein the first sealing branch cover body (10) is detachably connected with the first branch pipe orifice (3).
5. The ion chromatography regeneration liquid storage device for on-line monitoring of pure water conductivity as claimed in claim 1, wherein the outer wall of the bottle body of the liquid storage bottle is provided with scale marks.
6. The ion chromatography regenerant liquid storage device for on-line monitoring of conductivity of pure water according to any one of claims 1-5, wherein the first branch pipe orifice (3), the second branch pipe orifice (4) and the third branch pipe orifice (5) are integrally formed with the liquid storage bottle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921955671.8U CN211253389U (en) | 2019-11-13 | 2019-11-13 | Ion chromatography regeneration liquid storage device for on-line monitoring of pure water conductivity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921955671.8U CN211253389U (en) | 2019-11-13 | 2019-11-13 | Ion chromatography regeneration liquid storage device for on-line monitoring of pure water conductivity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211253389U true CN211253389U (en) | 2020-08-14 |
Family
ID=71989976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921955671.8U Active CN211253389U (en) | 2019-11-13 | 2019-11-13 | Ion chromatography regeneration liquid storage device for on-line monitoring of pure water conductivity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211253389U (en) |
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2019
- 2019-11-13 CN CN201921955671.8U patent/CN211253389U/en active Active
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