CN220603382U - Device for separating sodium tripolyphosphate by chromatography - Google Patents
Device for separating sodium tripolyphosphate by chromatography Download PDFInfo
- Publication number
- CN220603382U CN220603382U CN202321411479.9U CN202321411479U CN220603382U CN 220603382 U CN220603382 U CN 220603382U CN 202321411479 U CN202321411479 U CN 202321411479U CN 220603382 U CN220603382 U CN 220603382U
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- CN
- China
- Prior art keywords
- liquid
- container
- ion exchange
- exchange column
- sodium tripolyphosphate
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- 235000019832 sodium triphosphate Nutrition 0.000 title claims abstract description 24
- 238000004587 chromatography analysis Methods 0.000 title abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 77
- 238000005342 ion exchange Methods 0.000 claims abstract description 28
- 239000002699 waste material Substances 0.000 claims description 14
- 239000003957 anion exchange resin Substances 0.000 claims description 7
- 239000011491 glass wool Substances 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 7
- 239000003513 alkali Substances 0.000 claims description 4
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000013375 chromatographic separation Methods 0.000 claims 6
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 abstract description 32
- 235000011164 potassium chloride Nutrition 0.000 abstract description 16
- 239000001103 potassium chloride Substances 0.000 abstract description 16
- 229910019142 PO4 Inorganic materials 0.000 abstract description 4
- 235000021317 phosphate Nutrition 0.000 abstract description 4
- 150000003013 phosphoric acid derivatives Chemical class 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 description 7
- 239000012488 sample solution Substances 0.000 description 4
- 238000000926 separation method Methods 0.000 description 4
- DLYUQMMRRRQYAE-UHFFFAOYSA-N tetraphosphorus decaoxide Chemical compound O1P(O2)(=O)OP3(=O)OP1(=O)OP2(=O)O3 DLYUQMMRRRQYAE-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- AZSFNUJOCKMOGB-UHFFFAOYSA-K cyclotriphosphate(3-) Chemical compound [O-]P1(=O)OP([O-])(=O)OP([O-])(=O)O1 AZSFNUJOCKMOGB-UHFFFAOYSA-K 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- WQGWDDDVZFFDIG-UHFFFAOYSA-N pyrogallol Chemical compound OC1=CC=CC(O)=C1O WQGWDDDVZFFDIG-UHFFFAOYSA-N 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- UNXRWKVEANCORM-UHFFFAOYSA-I triphosphate(5-) Chemical compound [O-]P([O-])(=O)OP([O-])(=O)OP([O-])([O-])=O UNXRWKVEANCORM-UHFFFAOYSA-I 0.000 description 1
Landscapes
- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
The device for separating the sodium tripolyphosphate by chromatography comprises a plurality of liquid preparation containers, a metering pump, an ion exchange column and a controller, wherein the liquid preparation containers are communicated with the upper ends of the ion exchange column through liquid inlet pipelines respectively, the metering pump is installed on each liquid inlet pipeline, the lower end of the ion exchange column is connected with two liquid discharge pipelines, the electromagnetic valves are installed on the two liquid discharge pipelines respectively, and each metering pump and each electromagnetic valve are electrically connected with the controller respectively. The solution preparation container is filled with a solution, the metering pump is used for extracting the solution in the solution preparation container, the amount and the flow of the extracted solution are set, the ion exchange column is used for adsorbing various phosphates in sodium tripolyphosphate, and the controller is used for controlling the metering pump and the electromagnetic valve to be opened and closed according to a preset sequence. Through the structure, potassium chloride with different concentrations can be automatically added, and target liquid is collected.
Description
Technical Field
The utility model relates to the technical field of sodium tripolyphosphate detection, in particular to a device for separating sodium tripolyphosphate by chromatography.
Background
At present, the content of industrial sodium tripolyphosphate is determined by adsorbing various phosphates in sodium tripolyphosphate on a strong alkaline anion exchange resin column, eluting with potassium chloride solutions with different concentrations by utilizing different adsorption forces, flowing out the potassium chloride solutions in the order of normal, pyro, trimeric and trimetaphosphate, measuring the content of phosphorus pentoxide in sodium tripolyphosphate eluent, and calculating the content of sodium tripolyphosphate. The existing detection method adopts manual metering and manual addition, is time-consuming and labor-consuming, and has low detection efficiency when the detection amount is large.
Disclosure of Invention
The utility model aims to solve the technical problems that: the device for separating the sodium tripolyphosphate by chromatography can automatically add potassium chloride with different concentrations, collect target liquid and improve detection efficiency.
In order to achieve the technical characteristics, the aim of the utility model is realized in the following way: the device for separating sodium tripolyphosphate by chromatography comprises a plurality of liquid preparation containers, a metering pump, an ion exchange column and a controller, wherein the liquid preparation containers are communicated with the upper ends of the ion exchange column through liquid inlet pipelines respectively, the metering pump is installed on each liquid inlet pipeline, the two liquid discharge pipelines are connected with the lower end of the ion exchange column, the two liquid discharge pipelines are respectively provided with an electromagnetic valve, and each metering pump and the electromagnetic valve are respectively and electrically connected with the controller.
The liquid preparation containers are provided with four liquid preparation containers.
The ion exchange column comprises a tube body, plugs are respectively arranged at the upper end and the lower end of the tube body, glass wool is filled at the lower end in the tube body, and strong-alkali anion exchange resin is filled above the glass wool; the liquid inlet pipeline penetrates through the plug at the upper end of the pipe body and stretches into the pipe body, and the upstream end of the liquid discharge pipeline penetrates through the plug at the lower end of the pipe body and is communicated with the inside of the pipe body.
The separation funnel is characterized by further comprising a separation funnel, wherein the downstream end of the liquid inlet pipeline extends into the separation funnel, and the lower end of the separation funnel is communicated with the upper end of the ion exchange column.
The upper end of the separating funnel is provided with a sealing cover, and the liquid inlet pipeline penetrates through the sealing cover.
The device also comprises a collecting container, wherein the collecting container comprises a waste liquid receiving container and a target receiving container, and the two liquid draining pipelines are respectively communicated with the waste liquid receiving container and the target receiving container.
The utility model has the following beneficial effects:
1. the solution is contained in the solution preparation container, the metering pump is used for extracting the solution in the solution preparation container, the amount and the flow of the extracted solution are set, the ion exchange column is used for adsorbing various phosphates in sodium tripolyphosphate, the controller is used for controlling the metering pump and the electromagnetic valve to be opened and closed according to a preset sequence, potassium chloride with different concentrations can be automatically added, target solution is collected, and the detection efficiency is improved.
2. And a separating funnel is also arranged to prevent the solution flowing into the ion exchange column from flowing into the liquid inlet pipeline too fast, so that the strong alkaline anion exchange resin in the ion exchange column is turned over.
3. The waste liquid and the target liquid are recovered by the waste liquid receiving container and the target object receiving container respectively.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
In the figure: the liquid preparation container 1, the first container 11, the second container 12, the third container 13 and the fourth container 14, the liquid inlet pipeline 2, the metering pump 3, the separating funnel 4, the sealing cover 41, the ion exchange column 5, the pipe body 51, the plug 52, the glass wool 53, the strong alkaline anion exchange resin 54, the controller 9, the liquid discharge pipeline 6, the electromagnetic valve 7, the collecting container 8, the waste liquid receiving container 81 and the target receiving container 82.
Detailed Description
Embodiments of the present utility model will be further described with reference to the accompanying drawings.
Referring to fig. 1, a device for separating sodium tripolyphosphate by chromatography comprises a liquid preparation container 1, a metering pump 3, an ion exchange column 5 and a controller 9, wherein the liquid preparation container 1 is provided with a plurality of liquid preparation containers 1, the liquid preparation containers 1 are respectively communicated with the upper ends of the ion exchange column 5 through liquid inlet pipelines 2, the metering pump 3 is respectively arranged on each liquid inlet pipeline 2, the lower end of the ion exchange column 5 is connected with two liquid discharge pipelines 6, the two liquid discharge pipelines 6 are respectively provided with an electromagnetic valve 7, and each metering pump 3 and each electromagnetic valve 7 are respectively electrically connected with the controller 9. The liquid preparation container 1 is filled with a solution, the metering pump 3 is used for extracting the solution in the liquid preparation container 1, the amount and the flow rate of the extracted solution are set, the ion exchange column 5 is used for adsorbing various phosphates in sodium tripolyphosphate, and the controller 9 is used for controlling the metering pump 3 and the electromagnetic valve 7 to be opened and closed according to a preset sequence. Through the structure, potassium chloride with different concentrations can be automatically added, target liquid is collected, and detection efficiency is improved.
Preferably, the metering pump 3 is a peristaltic pump of the BT-EA series.
Preferably, the controller 9 is a NKG1 time controller, or a PLC.
Specifically, four liquid preparation containers 1 are provided, and a first container 11 is used for containing sample solution; the second container 12 is used for containing 0.15 mol/L potassium chloride solution; the third container 13 is used for containing 0.25 mol/L potassium chloride solution; the fourth container 14 is for containing 0.5 mol/L potassium chloride solution.
Specifically, the ion exchange column 5 comprises a tube body 51, plugs 52 are respectively arranged at the upper end and the lower end of the tube body 51, glass wool 53 is filled at the lower end in the tube body 51, and strong-alkali anion exchange resin 54 is filled above the glass wool 53; the liquid inlet pipe 2 passes through the plug 52 at the upper end of the pipe body 51 and stretches into the pipe body 51, and the upstream end of the liquid discharge pipe 6 passes through the plug 52 at the lower end of the pipe body 51 and is communicated with the inside of the pipe body 51.
In order to prevent the solution flowing into the ion exchange column 5 from flowing too quickly through the liquid inlet pipeline 2, the strong-alkali anion exchange resin 54 in the ion exchange column 5 is turned over, a separating funnel 4 is also arranged, the downstream end of the liquid inlet pipeline 2 extends into the separating funnel 4, and the lower end of the separating funnel 4 is communicated with the upper end of the ion exchange column 5. The separating funnel 4 is not only used for buffering the solution, but also can adjust the flow rate into the ion exchange column 5 by adjusting a valve on the separating funnel 4.
Specifically, the sealing cover 41 is installed at the upper end of the separating funnel 4, and the liquid inlet pipeline 2 passes through the sealing cover 41, so that the liquid inlet pipeline 2 is convenient to fix, and sundries can be prevented from entering.
Also included is a collection vessel 8, the collection vessel 8 comprising a waste liquid receiving vessel 81 and a target receiving vessel 82, the two drain pipes 6 communicating with the waste liquid receiving vessel 81 and the target receiving vessel 82, respectively. The waste liquid and the target liquid are recovered by the waste liquid receiving container 81 and the target receiving container 82, respectively.
The working process or principle of the utility model:
in use, the first container 11 is used for containing a sample solution (sodium tripolyphosphate solution), the second container 12 is used for containing 0.15 mol/L potassium chloride solution, the third container 13 is used for containing 0.25 mol/L potassium chloride solution, and the fourth container 14 is used for containing 0.5 mol/L potassium chloride solution.
Firstly, a controller 9 controls a metering pump 3 on a liquid inlet pipeline 2 of a first container 11 to suck 10 mL sample solution in a separating funnel 4, the sample solution flows into an ion exchange column 5, then controls the metering pump 3 on the liquid inlet pipeline 2 of a second container 12 to suck 0.15 mol/L potassium chloride solution 10 mL in the second container 12 to wash the separating funnel 4, then adds 0.15 mol/L potassium chloride solution 60 mL, controls the flow rate to be 5.5 mL/min-6.0 mL/min, at the moment, a solenoid valve 7 of a liquid discharge pipeline 6 on a waste receiving container 81 is conducted, and a solenoid valve 7 of the liquid discharge pipeline 6 on a target receiving container 82 is closed. And then controlling the metering pump 3 on the liquid inlet pipeline 2 of the third container 13 to absorb the potassium chloride solution 90 mL with the concentration of 0.25 mol/L in the third container 13 to wash the separating funnel, controlling the flow rate to be 5.5 mL/min-6.0 mL/min, at the moment, conducting the electromagnetic valve 7 of the liquid discharge pipeline 6 on the waste liquid receiving container 81, and closing the electromagnetic valve 7 of the liquid discharge pipeline 6 on the target receiving container 82. Then, the metering pump 3 on the liquid inlet pipeline 2 of the fourth container 14 is controlled to absorb the potassium chloride solution 90 mL with the concentration of 0.50 mol/L in the fourth container 14 to elute and separate the tripolyphosphate component, at the moment, the electromagnetic valve 7 of the liquid discharge pipeline 6 on the waste liquid receiving container 81 is closed, the electromagnetic valve 7 of the liquid discharge pipeline 6 on the target object receiving container 82 is opened, and the sodium tripolyphosphate effluent is collected in the target object receiving container 82.
Claims (6)
1. A device for chromatographic separation of sodium tripolyphosphate, characterized in that: including preparing liquid container (1), measuring pump (3), ion exchange column (5) and controller (9), prepare liquid container (1) are equipped with a plurality ofly, a plurality of prepare liquid container (1) are respectively through feed liquor pipeline (2) and the upper end intercommunication of ion exchange column (5), each install measuring pump (3) on feed liquor pipeline (2) respectively, the lower extreme of ion exchange column (5) is connected with two fluid-discharge tube (6), two install solenoid valve (7) on fluid-discharge tube (6) respectively, each measuring pump (3) and solenoid valve (7) respectively with controller (9) electric connection.
2. The apparatus for sodium tripolyphosphate chromatographic separations of claim 1, wherein: four liquid preparation containers (1) are arranged.
3. The apparatus for sodium tripolyphosphate chromatographic separations of claim 1, wherein: the ion exchange column (5) comprises a tube body (51), plugs (52) are respectively arranged at the upper end and the lower end of the tube body (51), glass wool (53) is filled at the lower end in the tube body (51), and strong-alkali anion exchange resin (54) is filled above the glass wool (53); the liquid inlet pipeline (2) penetrates through a plug (52) at the upper end of the pipe body (51) to extend into the pipe body (51), and the upstream end of the liquid discharge pipeline (6) penetrates through the plug (52) at the lower end of the pipe body (51) to be communicated with the inside of the pipe body (51).
4. The apparatus for sodium tripolyphosphate chromatographic separations of claim 1, wherein: the device also comprises a separating funnel (4), wherein the downstream end of the liquid inlet pipeline (2) extends into the separating funnel (4), and the lower end of the separating funnel (4) is communicated with the upper end of the ion exchange column (5).
5. The apparatus for sodium tripolyphosphate chromatographic separations of claim 4, wherein: the upper end of the separating funnel (4) is provided with a sealing cover (41), and the liquid inlet pipeline (2) penetrates through the sealing cover (41).
6. The apparatus for sodium tripolyphosphate chromatographic separations of claim 1, wherein: the device also comprises a collecting container (8), wherein the collecting container (8) comprises a waste liquid receiving container (81) and a target object receiving container (82), and the two liquid discharge pipelines (6) are respectively communicated with the waste liquid receiving container (81) and the target object receiving container (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411479.9U CN220603382U (en) | 2023-06-05 | 2023-06-05 | Device for separating sodium tripolyphosphate by chromatography |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321411479.9U CN220603382U (en) | 2023-06-05 | 2023-06-05 | Device for separating sodium tripolyphosphate by chromatography |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220603382U true CN220603382U (en) | 2024-03-15 |
Family
ID=90175924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321411479.9U Active CN220603382U (en) | 2023-06-05 | 2023-06-05 | Device for separating sodium tripolyphosphate by chromatography |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220603382U (en) |
-
2023
- 2023-06-05 CN CN202321411479.9U patent/CN220603382U/en active Active
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