CN208621402U - A device for batch preparation of small volume filtrate samples - Google Patents
A device for batch preparation of small volume filtrate samples Download PDFInfo
- Publication number
- CN208621402U CN208621402U CN201820514958.6U CN201820514958U CN208621402U CN 208621402 U CN208621402 U CN 208621402U CN 201820514958 U CN201820514958 U CN 201820514958U CN 208621402 U CN208621402 U CN 208621402U
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- China
- Prior art keywords
- sample
- syringe
- suction filter
- filter
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000706 filtrate Substances 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims description 10
- 238000000967 suction filtration Methods 0.000 abstract description 35
- 238000001914 filtration Methods 0.000 abstract description 19
- 238000000034 method Methods 0.000 abstract description 13
- 238000003825 pressing Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 4
- 238000012864 cross contamination Methods 0.000 abstract description 3
- 239000000047 product Substances 0.000 abstract description 2
- 238000011079 streamline operation Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000012545 processing Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
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- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000005464 sample preparation method Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 229930002875 chlorophyll Natural products 0.000 description 1
- 235000019804 chlorophyll Nutrition 0.000 description 1
- ATNHDLDRLWWWCB-AENOIHSZSA-M chlorophyll a Chemical compound C1([C@@H](C(=O)OC)C(=O)C2=C3C)=C2N2C3=CC(C(CC)=C3C)=[N+]4C3=CC3=C(C=C)C(C)=C5N3[Mg-2]42[N+]2=C1[C@@H](CCC(=O)OC\C=C(/C)CCC[C@H](C)CCC[C@H](C)CCCC(C)C)[C@H](C)C2=C5 ATNHDLDRLWWWCB-AENOIHSZSA-M 0.000 description 1
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- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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- 239000000203 mixture Substances 0.000 description 1
- 230000000050 nutritive effect Effects 0.000 description 1
- 125000001477 organic nitrogen group Chemical group 0.000 description 1
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- 239000002861 polymer material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses the device that a kind of batch prepares small size filtrate sample, which includes filtering the parts such as component, connecting pipe and vacuum generating device.It filters component to include syringe, syringe needle filter, filter the component parts such as cylinder and receiving flask, wherein syringe, syringe needle filter and receiving flask are disposable product, can effectively avoid the cross contamination of sample room and streamline operation.Multiple suction filtration components are connected by connecting pipe with vacuum generating device, and using suction filtration, the mode of non-manual filters pressing mode makes sample by syringe needle filter, to efficiently use the booster action of power equipment；Meanwhile multi-joint parallel design makes the device that can handle multiple samples simultaneously, and realizes individually control by treatment process of the valve in connecting pipe to each sample.
Description
Technical field
The utility model relates to the sample preparations in the fields such as ocean, water environment, biological medicine, chemistry, especially a kind of batch
Amount prepares the device of small size filtrate sample.
Background technique
Filtering is the most common pretreatment mode in water sample analysis detection process, realizes that solid phase is outstanding in water sample by filtering
The separation of floating object matter and liquid phase soluble matter, by the selection to filter medium, such as: the filter membrane or bolting silk of different pore size filters
Deng different separating effects being realized, so that preparation meets the suspended matter sample or filtrate sample that different detection projects require.It is logical
Often, if with the suspended matter in water sample be detection target, such as: chlorophyll, particulate organic carbon, particulate organic nitrogen, then with filtering after
Filter medium be sample；If being to detect target, such as dissolved organic carbon, nutritive salt, heavy metal with the soluble matter in water sample, then
Using filtered filtrate as sample.Suction filtration is most common filter type in practical operation, it is formed negative by vacuum plant
Pressure accelerates filter course.A set of basic Suction filtration device includes the main portion such as specimen cup, filter tunnel, bottle,suction and vacuum pump
Part.Some specially designed Suction filtration devices are designed to the mode in parallel or series of the above-mentioned component of multiple groups, to realize multiple water
The synchronous filtering of sample, improves efficiency, and saves sample processing time.However, this multi-joint Suction filtration device is usually to be directed to collect
The demand of filter medium and design.
Currently, the preparation of filtrate sample usually passes through two kinds of approach: 1) directly acquiring and prepare suspended matter using Suction filtration device
The filtrate formed when sample.The advantages of this processing mode is: treatment process can be assisted using power equipment, save manpower,
The efficiency of sample treatment can be greatly improved by multi-joint mode simultaneously.Its shortcoming is that: it is collected firstly, filtering the filtrate formed
In bottle,suction, since bottle,suction needs to reuse, the risk of sample room cross contamination is higher, one sample of every processing
It requires to increase operation link to bottle,suction rinse repeatedly；Secondly, the aperture specification of the filter medium for separating suspension
It is possible that being mismatched with the requirement of preparation filtrate sample, such as uses and have more tiny particles content when the filter membrane of large aperture through filtering
Medium enters filtrate, and the testing result for soluble matter is caused error occur.This processing mode is commonly available to detection essence
Spend occasion of less demanding and that sample size is more.2) disposable syringe and syringe needle filter are used, the side of manual filters pressing is passed through
The preparation of formula progress filtrate sample.The advantages of this processing mode, is: can effectively reduce the contaminated risk of filtrate sample.Its
Disadvantage is: treatment process needs manually to carry out one by one, can not efficiently use the booster action of power equipment, the efficiency of sample treatment
It is lower, large area, multi-court position, more water layers field investigation in, since sample size is larger, manual filters pressing mode is tended not to
It is competent；In addition, manual filters pressing is also more difficult for certain particulate matters or the higher water body of colloidal content.This processing mode
It is commonly available to the occasion that detection accuracy is more demanding and sample size is little.
In conclusion the preparation for filtrate sample, existing multi-joint suction filtration method more efficiently but easily leads to sample dirt
Dye, and the manual filter-pressing method of disposable aspiration needle filter can effectively avoid pollution but treatment process efficiency is lower.Currently, still lacking one
Kind while the filtrate sample preparation method or device for meeting the requirement of efficient and low pollution risk.
Utility model content
The purpose of this utility model be in view of the deficiencies of the prior art and provide it is a kind of by suction filtration component, connecting pipe and
The device for being used to prepare small size filtrate sample in batches of vacuum generating device composition.The suction filtration component includes syringe, needle
Head filter filters the component parts such as cylinder and receiving flask, since the syringe, syringe needle filter and the receiving flask that contact with sample are one
Secondary sex aids can effectively avoid the cross contamination of sample room and streamline operation.Multiple suction filtration components by connecting pipe with
Vacuum generating device is connected, and using suction filtration, the mode of non-manual filters pressing mode makes sample by syringe needle filter, thus effectively benefit
With the booster action of power equipment；Meanwhile multi-joint parallel design makes described device that can handle multiple samples simultaneously, and passes through company
Valve on jointed tubular workpieces realizes individually control to the treatment process of each sample.
Technical scheme of realizing the purpose of the utility model is that
A kind of batch prepares the device of small size filtrate sample, including filters case, main connecting tube, secondary connecting tube, suction filtration group
Part, connection pipe holder and vacuum pump, the suction filtration case are closed cabinet, and one side is equipped with supervisor's interface, top equipped with true
Suction mouth, bottom are equipped with exhaust outlet, and exhaust outlet is equipped with switch valve；
The main connecting tube is open at one end, the closed pipe fitting of the other end, is successively symmetrically arranged on two sidewalls several times
Interface tube；
The open end and supervisor's orifice of suction filtration case, closed end of the main connecting tube are mounted on connection pipe holder, main
Several secondary interface tubes in connecting tube are separately connected time connecting tube, and secondary connecting tube other end connection filters component, vacuum pump and pumping
The suction mouth pipe of filter box connects；Wherein, triple valve is equipped in the middle part of the secondary connecting tube.
The suction filtration component is made of suction filtration cylinder, top cover, receiving flask, syringe needle filter and syringe, takes out going out for cartridge interior
Mouthful place is equipped with baffle, and top seal is mounted on the top for filtering cylinder, and receiving flask is through being threaded in the bottom of suction filtration cylinder, on top cover
Equipped with elastic aperture, syringe needle filter lower end passes through elastic aperture, and upper end is equipped with syringe tray, and syringe is set to the note of syringe needle filter
On emitter seat.
The characteristics of the utility model:
1) it, by combining syringe needle filter with multi-joint suction filtration mode, is quickly handled while realizing multiple samples, significantly
Improve the efficiency of high-volume small size filtrate sample preparation.
2), by the way that triple valve is arranged between each suction filtration component and vacuum generating device, each suction filtration component is realized
Individually control, therefore being individually replaced for sample can be carried out according to each filter course for filtering component.
3), control valve uses U-shaped triple valve, and a valve has both the effect of control gas flow and exhaust valve, simplifies
Apparatus structure.
4) sample collection bottle that, uses at the same be also detecting instrument sample injection bottle, reduce the intermediate ring by bottle,suction
Section has significantly simplified and has operated and reduce the contaminated risk of sample.
5), whole device uses integrated design, and each component uses impact-resistant high density polymer material, have compared with
Strong physical stability and environmental suitability is highly suitable for using in field condition environment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram that the utility model filters component；
Fig. 3 A, Fig. 3 B are the use state diagram of the utility model triple valve.
Specific embodiment
Refering to fig. 1-2, the utility model includes filtering case 1, main connecting tube 2, secondary connecting tube 3, filtering component 4, connecting tube
Bracket 5 and vacuum pump 6, the suction filtration case 1 are closed cabinet, and one side is equipped with supervisor's interface 13, top is inhaled equipped with vacuum
Mouth 11, bottom are equipped with exhaust outlet, and exhaust outlet is equipped with switch valve 12.
The main connecting tube 2 is to be arranged successively on side wall equipped with several secondary interface tubes 21, and open at one end, other end closing
Tube-like piece.
The secondary connecting tube 3 is the pipe fitting that middle part is equipped with triple valve 31.
Refering to fig. 1-2, the open end of the main connecting tube 2 is connected to the supervisor's interface 13 for filtering case 1, closed end is mounted in company
In neck holder 5, secondary connecting tube 3 is pieces, and suction filtration component 4 is pieces, filters component 4 and is equipped with suction filtration cylinder 41, filters cylinder 41
Exit be equipped with baffle 43, secondary 3 one end of connecting tube connect with the secondary interface tube 21 of main connecting tube 2, secondary 3 other end of connecting tube and
The outlet connection of the suction filtration cylinder 41 of component 4 is filtered, vacuum pump 6 is connect with 11 pipe of suction mouth for filtering case 1.
Referring to Fig.2, the suction filtration component 4 is additionally provided with top cover 42, receiving flask 46, syringe needle filter 47 and syringe 48, collect
Bottle 46 filters the bottom of cylinder 41 through being threaded in, and top cover 42 is sealingly mounted at the top for filtering cylinder 41, and top cover 42 is equipped with bullet
Property aperture, syringe needle filter 47 be set to top cover 42 on, lower end pass through top cover 42 elastic aperture, upper end be equipped with syringe tray, injection
Device 48 is set in the syringe tray of syringe needle filter 47.
The utility model works in this way:
1) overall package and fixation for, refering to fig. 1, completing the utility model, vacuum pump 6 is connect with distribution box.
2), refering to fig. 1, Fig. 2, Fig. 3 B, close the switch valve 12 for filtering exhaust outlet on case 1, close in each secondary connecting tube 3
Triple valve 31, at this point, filter component 4 disconnects and is communicated with the atmosphere with main connecting tube 2, starting vacuum pump 6, to suction filtration case 1 and
It is vacuumized in main connecting tube 2.
3), refering to fig. 1, Fig. 2, by receiving flask 46 through be threaded into filter cylinder 41 bottom, 47 lower end of syringe needle filter is inserted
Enter the elastic aperture of top cover 42.
4), refering to fig. 1, Fig. 2, will draw have different water samples syringe 48 distinguish insertion needle filter 47 syringe tray
On.
5), refering to fig. 1, Fig. 2, Fig. 3 A, the triple valve 31 where opening water sample to be filtered in time connecting tube 3, at this point, filtering
Component 4 is connected to main connecting tube 2 and disconnects with atmosphere, implements to the suction filtration process of respective sample, for prevent water sample it is effective at
Divide and be pumped, is equipped with baffle 43 in exit of the secondary connecting tube 3 inside suction filtration cylinder 41.
6), refering to fig. 1, Fig. 2 can carry out inhaling have other samples simultaneously during the suction filtration of one or several samples
Syringe be inserted into the operations of corresponding syringe filters, the triple valve where the water sample can be opened later in time connecting tube 3
31, implement to the suction filtration process to the sample.
7), refering to fig. 1, Fig. 2, Fig. 3, when some sample suction filtration work complete, by corresponding threeway in the secondary connecting tube 3
Valve 31 is closed, and is disconnected and is communicated with the atmosphere with main connecting tube 2 at this point, filtering component 4, to release the suction filtration cylinder for filtering component 4
Negative pressure state in 41.
8), refering to fig. 1, Fig. 2, from filter cylinder 41 bottom screw off receiving flask 46, be sent directly into corresponding instrument detection, or lid
Top cover labyrinth and condition storage as needed, standby inspection.
9), refering to fig. 1, Fig. 2, extract the syringe needle filter 47 and syringe 48 filtered on component 4, complete to filter component 4
Dismantling；And new sample collection bottle 46 and syringe needle filter 47 are installed, the 48 insertion needle filter 47 of syringe for having water sample will be drawn
Syringe tray on, continue the suction filtration of next sample.
10), refering to fig. 1, Fig. 2, after the processing work for completing all samples, close vacuum pump 6, open filter case 1 on arranges
The switch valve 12 of port releases the negative pressure state filtered in case 1.
The utility model is to improve manual filtration mode efficiency usually used in current water body filtrate sample collection process
Lower problem introduces suction filtration and multi-joint working method, to provide a kind of filtrate sample in the preparation process of filtrate sample
The new method of product acquisition and corresponding device realize the batch preparation of small size filtrate sample.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820514958.6U CN208621402U (en) | 2018-04-12 | 2018-04-12 | A device for batch preparation of small volume filtrate samples |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820514958.6U CN208621402U (en) | 2018-04-12 | 2018-04-12 | A device for batch preparation of small volume filtrate samples |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208621402U true CN208621402U (en) | 2019-03-19 |
Family
ID=65699639
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820514958.6U Expired - Fee Related CN208621402U (en) | 2018-04-12 | 2018-04-12 | A device for batch preparation of small volume filtrate samples |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208621402U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801747A (en) * | 2018-04-12 | 2018-11-13 | 华东师范大学 | A kind of batch prepares the device of small size filtrate sample |
| CN112657267A (en) * | 2020-12-08 | 2021-04-16 | 中国科学院生态环境研究中心 | Multi-hole vacuum automatic syringe needle filtering device |
-
2018
- 2018-04-12 CN CN201820514958.6U patent/CN208621402U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801747A (en) * | 2018-04-12 | 2018-11-13 | 华东师范大学 | A kind of batch prepares the device of small size filtrate sample |
| CN112657267A (en) * | 2020-12-08 | 2021-04-16 | 中国科学院生态环境研究中心 | Multi-hole vacuum automatic syringe needle filtering device |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190319 |
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| CF01 | Termination of patent right due to non-payment of annual fee |