CN219983969U - SPE electric liquid adding device - Google Patents
SPE electric liquid adding device Download PDFInfo
- Publication number
- CN219983969U CN219983969U CN202321599949.9U CN202321599949U CN219983969U CN 219983969 U CN219983969 U CN 219983969U CN 202321599949 U CN202321599949 U CN 202321599949U CN 219983969 U CN219983969 U CN 219983969U
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- China
- Prior art keywords
- liquid
- piston
- spe
- cavity
- infusion pump
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- 239000007788 liquid Substances 0.000 title claims abstract description 59
- 238000001802 infusion Methods 0.000 claims abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 239000011550 stock solution Substances 0.000 claims description 6
- 238000005086 pumping Methods 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 20
- 238000002414 normal-phase solid-phase extraction Methods 0.000 description 16
- 150000001875 compounds Chemical class 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Landscapes
- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
The utility model discloses an SPE electric liquid adding device which comprises a guide pipe, an infusion pump, a rotary pumping and transmitting pipe, a liquid outlet, a liquid separating cavity, a liquid storage cavity, a control valve, a piston and a control switch. The liquid storage cavity is internally provided with a piston, the piston is provided with a rotating shaft, the lower part of the liquid storage cavity is provided with a liquid distribution cavity, and the lower part of the liquid distribution cavity is provided with a liquid outlet. The infusion pump is positioned above the piston, and is connected with the liquid storage cavity through a transmission pipe, and the infusion pump is provided with a guide pipe and a control switch. The liquid separating cavity is provided with a control valve. The utility model has the advantages that corresponding solutions can be added simultaneously when SPE operation of a plurality of samples is carried out, the operation is convenient, and the working efficiency can be improved.
Description
Technical Field
The utility model relates to the field of detection pretreatment in chemical analysis laboratories, in particular to an SPE electric liquid adding device.
Background
SPE (solid phase extraction) is a common purification technology for sample pretreatment in a chemical analysis laboratory, and is characterized in that a solid adsorbent is utilized to adsorb target compounds in a liquid sample, so that a sample matrix is separated from interfering substances, and then the target compounds are eluted by eluent, thereby achieving the purposes of separating and enriching the target compounds. The SPE operation process generally comprises the steps of activation, sample loading, leaching, elution and the like, and the SPE column is required to be added with the solution for multiple times when being activated, leached, eluted and the like due to the limited capacity of the column tube, and the corresponding solution is added to the SPE column tube one by one in the prior art, so that if the detected sample amount is large, long operation time is often required, labor is consumed, and the laboratory detection efficiency is not improved.
Disclosure of Invention
The utility model provides an SPE electric liquid adding device for solving the technical problems that solutions are needed to be added to a solid phase extraction column tube one by one during the operation of the existing solid phase extraction, the operation time is long and the efficiency is low.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides an electronic liquid feeding device of SPE, includes pipe, infusion pump, rotatory taking out, transfer line, liquid outlet, divides liquid chamber, stock solution chamber, control valve, piston, control switch, is equipped with the piston in the stock solution chamber, is equipped with the rotation axis on the piston, and stock solution chamber below is equipped with divides liquid chamber, divides liquid chamber below to be equipped with the liquid outlet.
The infusion pump is positioned above the piston and is connected with the liquid storage cavity through the transmission pipe.
The infusion pump is provided with a conduit which can guide the solution to be added into the liquid storage cavity.
The control switch is positioned on the infusion pump, the switch is started, the infusion pump starts to work, the solution is pumped into the liquid storage cavity, the switch is closed, and the solution stops being pumped into the liquid storage cavity.
The piston can move up and down by rotating and drawing, so that the solution storage cavity has enough space for storing the solution.
The liquid separating cavity is provided with a control valve which can adjust the flow rate of the solution. The control valve can be closed for the liquid separating cavity which is not used for a short time because of less samples, so that the waste of the solution is avoided.
The utility model has the advantages that corresponding solutions can be added simultaneously when SPE operation of a plurality of samples is carried out, the use is convenient, and the sample detection pretreatment efficiency can be improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Description of the embodiments
As shown in FIG. 1, an SPE electric liquid adding device comprises a guide pipe 1, an infusion pump 2, a rotary pump 3, a transmission pipe 4, a liquid outlet 5, a liquid separating cavity 6, a liquid storing cavity 7, a control valve 8, a piston 9 and a control switch 10, wherein the piston 9 is arranged in the liquid storing cavity 7, a rotary 3 shaft is arranged on the piston 9, the liquid separating cavity 6 is arranged below the liquid storing cavity 7, and the liquid outlet 5 is arranged below the liquid separating cavity 6.
The infusion pump 2 is positioned above the piston 9, and the infusion pump 2 is connected with the liquid storage cavity 7 through the transmission pipe 4.
The infusion pump 2 is provided with a catheter 1 for introducing a solution to be added into the reservoir 7.
The control switch 10 is positioned on the infusion pump 2, the control switch 10 is started, the infusion pump 2 starts to work, the solution is pumped into the liquid storage cavity 7, the control switch 10 is closed, and the solution stops being pumped into the liquid storage cavity 7.
The piston 9 can move up and down by rotating the pump 3 to satisfy that the liquid storage cavity 7 has enough space for storing the solution.
The liquid separating cavity 6 is provided with a control valve 8 which can adjust the flow rate of the solution. The control valve 8 can be closed for the liquid separating cavity 6 which is not used for a short time because of less samples, so that the waste of the solution is avoided.
When in use, the liquid outlet 5 is inserted into the SPE column tube, the tube 1 is inserted into a reagent bottle containing corresponding solvent, the control valve 8 on the liquid separation cavity 6 is opened, the control switch 10 is started, so that the solution enters the liquid storage cavity 7 through the infusion pump 2 and flows into the liquid separation cavity 6, and enters the SPE solid phase extraction column through the liquid outlet 5. After the addition of one type of solution is completed, the control switch 10 is closed, and the solution in the liquid separating cavity 6 is emptied, so that other types of reagents can be added.
The described embodiment is merely an example of the present utility model in order to better explain the principles and practical application of the present utility model, to thereby enable others skilled in the art to best understand and utilize the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Claims (3)
1. The utility model provides an electronic liquid feeding device of SPE, its characterized in that includes pipe, infusion pump, rotatory taking out, transfer line, liquid outlet, divide liquid chamber, stock solution chamber, control valve, piston, control switch, is equipped with the piston in the stock solution chamber, is equipped with the rotation axis on the piston, is equipped with the liquid chamber of dividing below the stock solution chamber, is equipped with the liquid outlet below the liquid chamber of dividing.
2. The SPE electric liquid adding device according to claim 1, wherein: the infusion pump is positioned above the piston, and is connected with the liquid storage cavity through a transmission pipe, and the infusion pump is provided with a guide pipe and a control switch.
3. The SPE electric liquid adding device according to claim 1, wherein: the liquid separating cavity is provided with a control valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321599949.9U CN219983969U (en) | 2023-06-23 | 2023-06-23 | SPE electric liquid adding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321599949.9U CN219983969U (en) | 2023-06-23 | 2023-06-23 | SPE electric liquid adding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219983969U true CN219983969U (en) | 2023-11-10 |
Family
ID=88611121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321599949.9U Active CN219983969U (en) | 2023-06-23 | 2023-06-23 | SPE electric liquid adding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219983969U (en) |
-
2023
- 2023-06-23 CN CN202321599949.9U patent/CN219983969U/en active Active
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