CN202777921U - Multifunctional solid-phase extraction device and multifunctional solid-phase extraction system - Google Patents
Multifunctional solid-phase extraction device and multifunctional solid-phase extraction system Download PDFInfo
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- CN202777921U CN202777921U CN201220492986.5U CN201220492986U CN202777921U CN 202777921 U CN202777921 U CN 202777921U CN 201220492986 U CN201220492986 U CN 201220492986U CN 202777921 U CN202777921 U CN 202777921U
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Abstract
The utility model provides a multifunctional solid-phase extraction device and a multifunctional solid-phase extraction system. The multifunctional solid-phase extraction device comprises a solid-phase extraction plate / column fitting seat, a three-way valve, a micro-metering valve, a three joint and receiving device and a collecting bottle, wherein the solid-phase extraction plate / column fitting seat is used for fixing a solid-phase extraction plate or a solid-phase extraction column. The three-way valve is connected with the solid-phase extraction plate / column fitting seat, the micro-metering valve and the three links and receiving device, and is used for changing solvent which passes through the solid-phase extraction plate or the solid-phase extraction column. The three joint and receiving device is connected with a vacuum device through the micro-metering valve, one way of the three links and receiving device is connected with the solid-phase extraction plate or the solid-phase extraction column through the three-way valve, and the other way of the three links and receiving device is connected with the collecting bottle. Controllability and reproducibility of a solid-phase extraction operation can be improved, and processed difficulty and cost of follow-up waste fluid are reduced.
Description
Technical field
The utility model relates to Sample Pretreatment Technique field, especially solid phase extraction techniques and the relevant apparatus apparatus field in the analytical chemistry.
Background technology
SPE is a kind of novel analytical chemistry Sample Pretreatment Technique, and technique utilizes the solid phase filler that target substance is adsorbed, and then by some technological approaches target substance is eluted, thereby reaches the purpose of sample purification.Technique worldwide is widely used at present.In general, the SPE operation adopts the syringe that solid phase extraction filler is housed to carry out, and solid phase extraction filler forms the packing layer of certain altitude in syringe.In the processing procedure of large volume, low content sample, the solid-phase extraction column of this type is very restricted at flow velocity, thereby causes the operating time long, the problems such as easy obstruction.
In recent years, a kind of disc type solid phase extraction techniques that grows up on the basis of traditional pillar SPE, solid-phase extracting disk has the larger area that passes through, therefore, sample can pass through solid-phase extracting disk in the short period of time, and makes sample obtain enrichment at solid-phase extracting disk.In the extraction application of harmful substance, technique demonstrates its unique superiority in surface water, underground water, running water and waste water.
But traditional solid-phase extraction device generally all is based on the solid-phase extraction column design, all is not suitable for the application of solid-phase extracting disk on structure, operator scheme, method of operating.The conventional manual solid-phase extraction device is general to adopt a cock valve that flow velocity is regulated, because the restriction of this type of valve arrangement is very difficult for velocity of flow adjust.Larger owing to the solid-phase extracting disk diameter simultaneously, and the adjusting knob of cock valve is shorter, so operate very inconvenient.In addition, traditional solid-phase extraction device after having carried out activation, loading, drip washing operation, need to take off solid-phase extraction column and gripper shoe, puts into vacuum reservoir collecting test tube, and then carries out wash-out operation, inconvenience very.For the processing of water sample with bulk mass, traditional solid-phase extraction device organic liquid waste and wastewater collection in same waste liquid bottle, thereby caused liquid waste processing difficulty and cost greatly to increase.So need now a kind of suitable solid-phase extracting disk application, easy to operate solid-phase extraction device to be used for the solid-phase extracting disk operational applications.
Therefore, how to design a kind of Multifunctional solid phase extraction device and system thereof that can be used for solid-phase extracting disk/column operation, be those skilled in the art's research direction place.
Summary of the invention
Main purpose of the present utility model provides a kind of Multifunctional solid phase extraction device and system thereof that can be used for solid-phase extracting disk/column operation, the problem that exists to solve above-mentioned existing solid-phase extraction device.
In order to achieve the above object, the utility model provides a kind of Multifunctional solid phase extraction device, and it comprises:
One solid-phase extracting disk/post mount pad, a triple valve, a reset valve, a threeway and receiving system, a receiving flask, wherein
Described solid-phase extracting disk/post mount pad, it is in order to fixedly solid-phase extracting disk or solid-phase extraction column;
Described triple valve, it is connected in described solid-phase extracting disk/post mount pad, described reset valve, described threeway and receiving system, be used for to switch the solvent that passes through from solid-phase extracting disk or solid-phase extraction column;
Described threeway and receiving system, it links to each other with a vacuum plant by described reset valve, and described threeway and receiving system one tunnel link to each other with solid-phase extracting disk/post through triple valve, and another road links to each other with described receiving flask.
In order to achieve the above object, the utility model also provides a kind of Multifunctional solid phase extraction system, it comprises: a Multifunctional solid phase extraction device, and a vacuum plant that links to each other with described Multifunctional solid phase extraction device, described Multifunctional solid phase extraction device comprises one solid-phase extracting disk/post mount pad, a triple valve, a reset valve, a threeway and receiving system, a receiving flask; Described vacuum plant comprises: a liquid separatnig valve, a wastewater collection bottle, a spent organic solvent bottle, a pressure-reducing valve and a vavuum pump, wherein,
Described solid-phase extracting disk/post mount pad, it is in order to fixedly solid-phase extracting disk or solid-phase extraction column;
Described triple valve, it is connected in described solid-phase extracting disk/post mount pad, described reset valve, described threeway and receiving system, be used for to switch the solvent that passes through from solid-phase extracting disk or solid-phase extraction column;
Described threeway and receiving system, it links to each other with described liquid separatnig valve by described reset valve, and described threeway and receiving system one tunnel link to each other with solid-phase extracting disk/post through triple valve, and another road links to each other with described receiving flask;
Described liquid separatnig valve, its solvent or sample that is used for advancing to add fixing solid-phase extracting disk or solid-phase extraction column is selected, thereby enters described wastewater collection bottle or described spent organic solvent bottle;
Described wastewater collection bottle or described spent organic solvent bottle link to each other with vavuum pump by described pressure-reducing valve, and described pressure-reducing valve is used for regulating the vacuum of whole system.
Wherein, the centre position of described triple valve is provided with shut off valve, is used for the stream of closing two ends.
Compared with prior art, the beneficial effects of the utility model are: can adopt a flow control valve that the extraction flow of each operating position is controlled accurately, improve controllability and the reappearance of SPE operation; Simultaneously, switch waste liquid and collect component by a multiposition valve, avoided the loaded down with trivial details of manual replacing; In addition, in stream, realize the respectively collection of waste water and spent organic solvent by a liquid separatnig valve, reduced difficulty and the expense of follow-up liquid waste processing.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the Multifunctional solid phase extraction apparatus structure schematic diagram that the utility model can be used for phase extracting disk/column operation;
Fig. 2 is the Multifunctional solid phase extraction system flow circuit diagram that the utility model can be used for solid-phase extracting disk/column operation;
Fig. 3 is the integrated schematic diagram of Multifunctional solid phase extraction device that the utility model can be used for solid-phase extracting disk/column operation.
Description of reference numerals: 1-solid-phase extracting disk/post mount pad; The 2-triple valve; The 3-reset valve; 4-threeway and receiving system; The 5-receiving flask; 6-liquid separatnig valve, 7 wastewater collection bottles; 8-spent organic solvent bottle; The 9-pressure-reducing valve; The 10-vavuum pump.
The specific embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not paying the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figures 1 and 2, can be used for the Multifunctional solid phase extraction apparatus structure schematic diagram of phase extracting disk/column operation for the utility model and can be used for the Multifunctional solid phase extraction system flow circuit diagram of solid-phase extracting disk/column operation;
As shown in the figure, Multifunctional solid phase extraction of the present utility model system comprises a Multifunctional solid phase extraction device and a coupled vacuum plant, and described Multifunctional solid phase extraction device comprises: one solid-phase extracting disk/post mount pad 1, a triple valve 2, a reset valve 3, a threeway and receiving system 4, a receiving flask 5; Described vacuum plant comprises: a liquid separatnig valve 6, a wastewater collection bottle 7, a spent organic solvent bottle 8, a pressure-reducing valve 9 and a vavuum pump 10.
Described solid-phase extracting disk/post mount pad 1 is used for fixedly solid-phase extracting disk or solid-phase extraction column, and fixture wherein adopts a female Luer, can be fixed on the shell, simultaneously, at shell a depression is arranged, and is used for collecting the solvent of revealing.
Described triple valve 2 is connected in described solid-phase extracting disk/post mount pad 1, reset valve 3 and threeway and receiving system 4, described triple valve 2 is used for switching the solvent that passes through from solid-phase extracting disk/post and enters wastewater collection bottle 7 or spent organic solvent bottle 8 or enter receiving flask 5, centre position at described triple valve 2 is provided with shut off valve, stream for closing two ends soaks solid-phase extracting disk.
Described threeway and receiving system 4 link to each other with described vacuum plant by a reset valve 3, and described threeway and receiving system 4 one tunnel link to each other with solid-phase extracting disk/post through triple valve 2, and another road links to each other with described receiving flask 5.
When vavuum pump 10 is opened, remain vacuum state in the receiving flask 5, when regulating three-way valve 2 so that solid-phase extracting disk/post base 1 and reset valve 3 and when being linked to each other by the vacuum plant that vavuum pump 10 forms, the solvent or the sample that add solid-phase extracting disk/post base 1 then directly enter this vacuum plant, selection by liquid separatnig valve 6, enter in wastewater collection bottle 7 or the spent organic solvent bottle 8, thereby finish activation, loading, drip washing operation.
So that solid-phase extracting disk/post when being communicated with receiving flask 5, the solvent that then adds solid-phase extracting disk/post then enters receiving flask 5, thereby finishes the wash-out operation when regulating three-way valve 2.
Wherein, described reset valve 3 is used for regulating separately respectively the flow velocity of each operating unit, thereby controls the flow velocity of solvent in each SPE operation or sample.
Wherein, described pressure-reducing valve 9 is used for regulating the vacuum of whole system, and keeps the stable of vacuum.
Shown in Figure 3, Multifunctional solid phase extraction device of the present utility model can be gathered a plurality of operating units, parallel separately operation, thereby Effective Raise operating efficiency.
The utility model provides a kind of Multifunctional solid phase extraction device and system thereof that can be used for solid-phase extracting disk, this device adopts negative pressure to strengthen the SPE operation as power, this device both can use solid-phase extracting disk also can use solid-phase extraction column, and can adopt a flow control valve that the extraction flow of each operating position is controlled accurately, improve controllability and the reappearance of SPE operation; Simultaneously, switch waste liquid and collect component by a multiposition valve, avoided the loaded down with trivial details of manual replacing; In addition, in stream, realize the respectively collection of waste water and spent organic solvent by a liquid separatnig valve, reduced difficulty and the expense of follow-up liquid waste processing.
It should be noted that at last: above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although with reference to previous embodiment the utility model is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that previous embodiment is put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of the utility model embodiment technical scheme.
Claims (4)
1. Multifunctional solid phase extraction device is characterized in that it comprises:
One solid-phase extracting disk/post mount pad, a triple valve, a reset valve, a threeway and receiving system, a receiving flask, wherein
Described solid-phase extracting disk/post mount pad, it is in order to fixedly solid-phase extracting disk or solid-phase extraction column;
Described triple valve, it is connected in described solid-phase extracting disk/post mount pad, described reset valve, described threeway and receiving system, be used for to switch the solvent that passes through from solid-phase extracting disk or solid-phase extraction column;
Described threeway and receiving system, it links to each other with a vacuum plant by described reset valve, and described threeway and receiving system one tunnel link to each other with solid-phase extracting disk/post through triple valve, and another road links to each other with described receiving flask.
2. a kind of Multifunctional solid phase extraction device according to claim 1, the centre position of described triple valve is provided with shut off valve, is used for the stream of closing two ends.
3. Multifunctional solid phase extraction system, it is characterized in that, it comprises: a Multifunctional solid phase extraction device, and a vacuum plant that links to each other with described Multifunctional solid phase extraction device, described Multifunctional solid phase extraction device comprises one solid-phase extracting disk/post mount pad, a triple valve, a reset valve, a threeway receiving system, a receiving flask; Described vacuum plant comprises: a liquid separatnig valve, a wastewater collection bottle, a spent organic solvent bottle, a pressure-reducing valve and a vavuum pump, wherein,
Described solid-phase extracting disk/post mount pad, it is in order to fixedly solid-phase extracting disk or solid-phase extraction column;
Described triple valve, it is connected in described solid-phase extracting disk/post mount pad, described reset valve, described threeway and receiving system, be used for to switch the solvent that passes through from solid-phase extracting disk or solid-phase extraction column;
Described threeway and receiving system, it links to each other with described liquid separatnig valve by described reset valve, and described threeway and receiving system one tunnel link to each other with solid-phase extracting disk/post through triple valve, and another road links to each other with described receiving flask;
Described liquid separatnig valve, its solvent or sample that is used for advancing to add fixing solid-phase extracting disk or solid-phase extraction column is selected, thereby enters described wastewater collection bottle or described spent organic solvent bottle;
Described wastewater collection bottle or described spent organic solvent bottle link to each other with vavuum pump by described pressure-reducing valve, and described pressure-reducing valve is used for regulating the vacuum of whole system.
4. a kind of Multifunctional solid phase extraction according to claim 3 system, the centre position of described triple valve is provided with shut off valve, is used for the stream of closing two ends.
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| CN201220492986.5U CN202777921U (en) | 2012-09-21 | 2012-09-21 | Multifunctional solid-phase extraction device and multifunctional solid-phase extraction system |
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| CN201220492986.5U CN202777921U (en) | 2012-09-21 | 2012-09-21 | Multifunctional solid-phase extraction device and multifunctional solid-phase extraction system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018613A (en) * | 2016-06-23 | 2016-10-12 | 西安交通大学 | Solid-phase extraction device capable of realizing multi-column series connection through online switching and extraction method of solid-phase extraction device |
| CN112964509A (en) * | 2021-03-17 | 2021-06-15 | 济南市环境研究院 | Natural water sample in-situ suction filtration and solid phase extraction integrated operation system and operation method thereof |
-
2012
- 2012-09-21 CN CN201220492986.5U patent/CN202777921U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018613A (en) * | 2016-06-23 | 2016-10-12 | 西安交通大学 | Solid-phase extraction device capable of realizing multi-column series connection through online switching and extraction method of solid-phase extraction device |
| CN112964509A (en) * | 2021-03-17 | 2021-06-15 | 济南市环境研究院 | Natural water sample in-situ suction filtration and solid phase extraction integrated operation system and operation method thereof |
| CN112964509B (en) * | 2021-03-17 | 2023-03-03 | 济南市环境研究院 | Natural water sample in-situ suction filtration and solid phase extraction integrated operation system and operation method thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING LABTECH INSTRUMENT CO., LTD. Free format text: FORMER NAME: BEIJING LABTECH LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 101312 Beijing city B District of Shunyi District Airport Industrial Zone No. 6 Anqing Street Patentee after: BEIJING LABTECH INSTRUMENTS CO.,LTD. Address before: 101312 Beijing city B District of Shunyi District Airport Industrial Zone No. 6 Anqing Street Patentee before: Beijing LabTech Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |