CN212410248U - Full-automatic nuclide solid phase extraction device - Google Patents
Full-automatic nuclide solid phase extraction device Download PDFInfo
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- CN212410248U CN212410248U CN202021492705.7U CN202021492705U CN212410248U CN 212410248 U CN212410248 U CN 212410248U CN 202021492705 U CN202021492705 U CN 202021492705U CN 212410248 U CN212410248 U CN 212410248U
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Abstract
The utility model discloses a full-automatic nuclide solid phase extraction device mainly solves the unsafe problem of analysis result that environmental sample human factor leads to in extraction analysis process. The extraction device comprises a device shell, an automatic column loading system arranged in the device shell and used for preparing a chromatographic column, a sample stock solution column passing system arranged in the device shell and matched with the automatic column loading system and used for passing a sample stock solution column, a reagent column passing system arranged in the device shell and matched with the automatic column loading system and used for passing an extraction reagent column in sequence, and a touch screen arranged on the device shell and electrically connected with the automatic column loading system, the sample stock solution column passing system and the reagent column passing system. Through the design, the utility model has the advantages of the reliability is high, convenient to use, solved environmental sample human factor and leaded to the unsafe problem of analysis result in extraction analysis in-process, can improve work efficiency, experiment precision, reduce experimenter's intensity of labour.
Description
Technical Field
The utility model relates to a radionuclide analysis technical field in the environment sample, specifically speaking relates to a full-automatic nuclide solid phase extraction device.
Background
When analyzing nuclides such as strontium-90 and plutonium in an environmental sample, an ion exchange method and an extraction chromatography method are commonly adopted, namely, a sample solution passes through an ion exchange column or an extraction column, so that the separation and purification of elements to be detected and other elements of the sample are realized. Because the step of separating and purifying the sample solution by passing through the column is complicated, the flow is long, and a large amount of analysis time is occupied, the whole extraction step is improved mechanically and automatically, and a nuclide solid-phase extraction device is researched to replace manual extraction and analysis of nuclides.
At present, manufacturers of domestic instruments and equipment have developed a method for separating, enriching and purifying target compounds and impurity substances through the adsorption effect of a solid phase extraction adsorbent, and the method is generally used for a pretreatment process of organic substance analysis and is mainly used for extraction and separation of target compounds such as pesticide residues, food additives, polycyclic aromatic hydrocarbons and nucleic acid purification. Overseas, the U.S. horizons company developed a fully automatic solid phase extraction device for organic substances, the system of the whole device was programmable, and it was possible to treat a liquid sample directly from a sample bottle, start extraction, transfer the required solvent to an SPE membrane with an adsorbent packing by a module for preactivation, then pass the water sample through the membrane, dry it for a preset time, and finally elute the analyte adsorbed on the membrane to a collection bottle with the solvent. However, the extraction equipment is mainly applied to the classified collection of waste liquid of organic solvent and water phase, and is less involved in the field of radiochemical analysis.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a full-automatic nuclide solid phase extraction device mainly solves the unsafe problem of analysis result of environmental sample human factor in the extraction analysis process.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a full-automatic nuclide solid phase extraction device, including the device shell, set up the automatic dress post system that is used for the preparation of chromatographic column in the device shell, set up in the device shell and cross the post system with the automatic sample stoste that the cooperation of dress post system is used for sample stoste, set up in the device shell and cross the post system with automatic dress post system, sample stoste cross the post system cooperation and be used for crossing the post system with the reagent of extraction reagent according to the order post to and set up on the device shell and cross the touch-sensitive screen of post system electricity connection with automatic dress post system, sample stoste.
Further, automatic dress post system is including setting up the magnetic stirrers of middle part position in the device shell, sets up the colour layer powder reagent bottle on magnetic stirrers, sets up a plurality of extraction posts of bottom position in the device shell, sets up the extraction post admission head on every extraction post to and be arranged in with the colour layer powder solution through the peristaltic pump for the extraction colour layer powder of extraction post admission head suction to the extraction post.
Further, the sample stock solution column passing system comprises a sample stock solution containing funnel, a sample cleaning spray head, an injection pump, a transition container and a sample stock solution peristaltic pump, wherein the sample cleaning spray head is arranged above the sample stock solution containing funnel and used for washing the sample stock solution containing funnel; wherein, the other outlet of the three-way anticorrosive electromagnetic valve is communicated with the liquid inlet of the extraction column.
Further, the column system is crossed to reagent is including setting up in the pure water container and a plurality of special reagent bottle on device shell top for go into the drawing liquid peristaltic pump of transition container with the solution pump in pure water container and the special reagent bottle, connect the diverter valve between drawing liquid peristaltic pump and pure water container and a plurality of special reagent bottle, with the column peristaltic pump of crossing of extraction column lower extreme intercommunication, through three-way anticorrosive solenoid valve with cross waste liquid collecting vat and the analytic liquid beaker that the column peristaltic pump other end links to each other.
Furthermore, the lower end of the extraction column is also provided with a photoelectric liquid level sensor.
Furthermore, the extraction device also comprises an exhaust channel which is arranged at the lower end of the device shell and is communicated with the outside.
Furthermore, the extraction device also comprises a movable roller arranged at the bottom of the device shell.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a solid phase extraction device extracts the during operation at the device, and required colour layer powder is automatic to be extracted in the colour layer post when the post will be crossed to automatic dress post system, and the colour layer powder dress post is accomplished the back, and the device procedure gets into the sample stoste automatically and crosses post system and reagent and cross post system, finally accomplishes the full-automatic extraction of sample. The device has advantages such as reliability height, convenient to use, has solved environment sample and has leaded to the unsafe problem of analysis result because of accidental factor in the extraction analysis process people, not only can improve work efficiency, experiment precision, can also reduce experimenter's intensity of labour simultaneously.
Drawings
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is a left side view of the present invention.
Fig. 3 is a right side view of the present invention.
Wherein, the names corresponding to the reference numbers are:
1-device shell, 2-touch screen, 3-magnetic stirrer, 4-chromatography powder reagent bottle, 5-extraction column, 6-extraction column liquid inlet head, 7-chromatography powder peristaltic pump, 8-sample stock solution holding funnel, 9-sample cleaning spray head, 10-injection pump, 11-transition container, 12-sample stock solution peristaltic pump, 13-pure water container, 14-special reagent bottle, 15-liquid extraction peristaltic pump, 16-switching valve, 17-column passing peristaltic pump, 18-waste liquid collecting tank, 19-analytic liquid beaker, 20-photoelectric liquid level sensor, 21-exhaust channel and 22-moving roller.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
Examples
As shown in fig. 1-3, the invention discloses a full-automatic nuclide solid-phase extraction device, which mainly comprises a device shell 1, an automatic column loading system, a sample stock solution column passing system, a reagent column passing system and a touch screen.
The automatic column system of adorning is responsible for the automatic preparation of chromatographic column, including setting up magnetic stirrers 3 of middle part position in device shell 1, set up chromatographic powder reagent bottle 4 on magnetic stirrers 3, set up a plurality of extraction columns 5 of bottom position in device shell 1, set up extraction column inlet head 6 on every extraction column 5 to and be arranged in with chromatographic powder solution through the extraction column inlet head 6 suction to the extraction column 5 in take out the chromatographic powder peristaltic pump 7 for the chromatographic powder. The magnetic stirrer works continuously to stir the solution in the color layer powder reagent bottle arranged on the magnetic stirrer. And (3) the chromatographic powder solution is added into the extraction column after passing through the liquid inlet head of the extraction column by using a peristaltic pump, and the chromatographic powder solution is automatically filled into the column by matching with a photoelectric liquid level sensor 20 and a column passing peristaltic pump 17.
The sample stock solution column passing system is mainly used for cleaning a sample stock solution column passing and a containing funnel, and comprises a sample stock solution containing funnel 8, a sample cleaning spray head 9 arranged above the sample stock solution containing funnel 8 and used for washing the sample stock solution containing funnel 8, an injection pump 10 connected with the sample cleaning spray head 9 through a three-way anti-corrosion electromagnetic valve, a transition container 11 connected with the injection pump 10, and a sample stock solution peristaltic pump 12 used for pumping the sample stock solution in the sample stock solution containing funnel 8 into an extraction column 5; wherein, the other outlet of the three-way anticorrosive electromagnetic valve is communicated with the extraction column liquid inlet 6. And adding the sample stock solution in the sample funnel into the extraction column through the liquid inlet head of the extraction column by the sample stock solution peristaltic pump 12 to finish the passing of the sample stock solution through the column.
In this embodiment, since the acid gas mainly overflows in the waste liquid collecting portion, the extraction apparatus is further provided with a discharge passage 21 communicating with the outside at the lower end of the apparatus casing. And, in order to facilitate the movement of the device, the bottom of the device is also provided with a moving roller 22.
The reagent column passing system is responsible for passing each reagent column in sequence and collecting waste liquid and analytic solution, and comprises a pure water container 13 and a plurality of special reagent bottles 14 which are arranged at the top end of a device shell 1, a liquid pumping peristaltic pump 15 for pumping the solution in the pure water container 13 and the special reagent bottles 14 into a transition container 11, a switching valve 16 connected between the liquid pumping peristaltic pump 15 and the pure water container 13 and the special reagent bottles 14, a column passing peristaltic pump 17 communicated with the lower end of an extraction column 5, a waste liquid collecting tank 18 and an analytic solution beaker 19 which are connected with the other end of the column passing peristaltic pump 17 through a three-way anti-corrosion electromagnetic valve. A plurality of special reagent bottles are used for holding different reagents, drawing liquid peristaltic pump intercommunication diverter valve, behind the appointed reagent suction transition container in the reagent bottle, spray to the sample funnel through sample washing shower nozzle by the extraction of syringe pump ration, wash the sample funnel, cross post peristaltic pump constant speed control liquid and cross the post, and with liquid suction waste liquid collecting vat, follow-up each reagent includes the pure water, by drawing liquid peristaltic pump intercommunication diverter valve, behind the appointed liquid suction transition container in pure water container and the reagent bottle, add in the extraction post through the extraction post inlet head by the extraction of syringe pump ration extraction, cross post peristaltic pump with constant speed control liquid and cross the post, remove in analytic liquid is taken out to the analytic liquid beaker of 100mL, other liquid all are pumped in the waste liquid collecting vat, accomplish reagent and cross the post.
After the whole machine is started to work, the magnetic stirrer continuously works to stir the solution in the color layer powder reagent bottle arranged on the magnetic stirrer; the liquid pumping peristaltic pump is communicated with the switching valve, liquid in the pure water container is pumped into the transition container, and then the liquid is quantitatively pumped by the injection pump and is added into the extraction column through the liquid inlet of the extraction column. And (3) the chromatographic powder solution is added into the extraction column after passing through the liquid inlet head of the extraction column by using a peristaltic pump, and the quantitative automatic column filling of the chromatographic powder solution is completed by matching with a photoelectric liquid level sensor and a column passing peristaltic pump.
And the liquid pumping peristaltic pump is communicated with the switching valve, liquid in the pure water container is pumped into the transition container, then is quantitatively pumped by the injection pump and is added into the extraction column through the liquid inlet head of the extraction column, the residual color layer powder on the tube wall is cleaned when the column is automatically loaded in the previous step, the magnetic stirrer stops running, and an experimenter adds the sieve plate into the color layer column to perform the rest experiment steps.
The liquid pumping peristaltic pump is communicated with the switching valve, after a specified reagent in the reagent bottle is pumped into the transition container, the specified reagent is quantitatively pumped by the injection pump and is added into the extraction column through the liquid inlet head of the extraction column, the liquid is controlled at a constant speed to pass through the column by the column passing peristaltic pump, and the liquid is pumped into the waste liquid collecting tank; when the sample stock solution passes through the column, adding the sample stock solution in the sample funnel into an extraction column through an extraction column liquid inlet head by a sample stock solution peristaltic pump, passing the liquid through the column by the column-passing peristaltic pump at a constant speed, and pumping the liquid into a waste liquid collecting tank; the liquid pumping peristaltic pump is communicated with the switching valve, after a specified reagent in the reagent bottle is pumped into the transition container, the specified reagent is quantitatively pumped by the injection pump and sprayed into the sample funnel through the sample cleaning nozzle, the sample funnel is cleaned, the cleaning solution is pumped into the extraction column through the liquid inlet head of the extraction column by the injection pump, the liquid passing column is controlled at a constant speed by the column passing peristaltic pump, and the liquid is pumped into the waste liquid collecting tank; and each subsequent reagent comprises pure water, the pure water is communicated with the switching valve by a liquid pumping peristaltic pump, designated liquid in a pure water container and a reagent bottle is pumped into the transition container, the designated liquid is quantitatively pumped by an injection pump and is added into the extraction column through the liquid inlet head of the extraction column, the liquid is controlled at a constant speed to pass through the column by the column passing peristaltic pump, the analytic liquid is removed and pumped into a 100mL analytic liquid beaker, and other liquid is pumped into a waste liquid collecting tank. And the whole extraction process of the sample can be finished.
Through the design, the invention has the advantages of high reliability, convenient use and the like, solves the problem of inaccurate analysis result of environmental samples caused by accidental factors in the extraction and analysis process, can improve the working efficiency and the experiment precision, and reduces the labor intensity of experimenters.
The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a full-automatic nuclide solid phase extraction device, a serial communication port, including device shell (1), set up the automatic dress post system that is used for the preparation of chromatographic column in device shell (1), set up in device shell (1) and be used for the sample stoste of sample stoste to cross the post system with the cooperation of automatic dress post system, set up in device shell (1) and automatic dress post system, the cooperation of sample stoste is used for crossing the reagent of post in proper order with extraction reagent crosses the post system, and set up on device shell (1) and automatic dress post system, sample stoste crosses post system, touch-sensitive screen (2) that the post system electricity is connected is crossed to reagent.
2. The full-automatic nuclide solid-phase extraction device as claimed in claim 1, wherein the automatic column loading system comprises a magnetic stirrer (3) arranged at a middle position in a device housing (1), a chromatography powder reagent bottle (4) arranged on the magnetic stirrer (3), a plurality of extraction columns (5) arranged at a bottom position in the device housing (1), an extraction column liquid inlet (6) arranged on each extraction column (5), and a chromatography powder peristaltic pump (7) for pumping chromatography powder solution into the extraction columns (5) through the extraction column liquid inlet (6).
3. The full-automatic nuclide solid phase extraction device as claimed in claim 2, wherein the sample stock solution passing column system comprises a sample stock solution holding funnel (8), a sample cleaning spray head (9) arranged above the sample stock solution holding funnel (8) and used for washing the sample stock solution holding funnel (8), an injection pump (10) connected with the sample cleaning spray head (9) through a three-way anti-corrosion electromagnetic valve, a transition container (11) connected with the injection pump (10), and a sample stock solution peristaltic pump (12) used for pumping the sample stock solution in the sample stock solution holding funnel (8) into the extraction column (5); wherein, the other outlet of the three-way anticorrosive electromagnetic valve is communicated with the liquid inlet head (6) of the extraction column.
4. The full-automatic nuclide solid-phase extraction device as claimed in claim 3, wherein the reagent column-passing system comprises a pure water container (13) and a plurality of special reagent bottles (14) arranged at the top end of the device housing (1), a liquid-pumping peristaltic pump (15) for pumping the solutions in the pure water container (13) and the special reagent bottles (14) into the transition container (11), a switching valve (16) connected between the liquid-pumping peristaltic pump (15) and the pure water container (13) and the plurality of special reagent bottles (14), a column-passing peristaltic pump (17) communicated with the lower end of the extraction column (5), and a waste liquid collecting tank (18) and a resolving liquid beaker (19) connected with the other end of the column-passing peristaltic pump (17) through a three-way anti-corrosion electromagnetic valve.
5. The full-automatic nuclide solid phase extraction device as in claim 4, wherein a photoelectric liquid level sensor (20) is further arranged at the lower end of the extraction column.
6. The full-automatic nuclide solid phase extraction device as claimed in claim 5, further comprising an exhaust passage (21) provided at the lower end of the device housing (1) and communicating with the outside.
7. The full-automatic nuclide solid phase extraction device as claimed in claim 6, further comprising a moving roller (22) disposed at the bottom of the device housing (1).
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| CN202021492705.7U CN212410248U (en) | 2020-07-24 | 2020-07-24 | Full-automatic nuclide solid phase extraction device |
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| CN202021492705.7U CN212410248U (en) | 2020-07-24 | 2020-07-24 | Full-automatic nuclide solid phase extraction device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111735685A (en) * | 2020-07-24 | 2020-10-02 | 中核四川环保工程有限责任公司 | Full-automatic nuclide solid-phase extraction device and extraction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111735685A (en) * | 2020-07-24 | 2020-10-02 | 中核四川环保工程有限责任公司 | Full-automatic nuclide solid-phase extraction device and extraction method |
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