CN108918742A - A kind of chromatographic column for Pesticide Residues detection - Google Patents
A kind of chromatographic column for Pesticide Residues detection Download PDFInfo
- Publication number
- CN108918742A CN108918742A CN201810851899.6A CN201810851899A CN108918742A CN 108918742 A CN108918742 A CN 108918742A CN 201810851899 A CN201810851899 A CN 201810851899A CN 108918742 A CN108918742 A CN 108918742A
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- China
- Prior art keywords
- feed liquor
- main pipeline
- fishplate bar
- filter screen
- liquid
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/60—Construction of the column
- G01N30/6052—Construction of the column body
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
- G01N30/60—Construction of the column
- G01N30/6052—Construction of the column body
- G01N30/606—Construction of the column body with fluid access or exit ports
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Treatment Of Liquids With Adsorbents In General (AREA)
Abstract
The invention discloses a kind of chromatographic columns for Pesticide Residues detection, including main pipeline, feed liquor fishplate bar and sealing ring, the inner top side of the main pipeline is fixedly connected with upper filter screen, and the outer upper end of main pipeline is inlaid with out liquid fishplate bar, the feed liquor fishplate bar is set to the outside lower end of main pipeline, and the end of feed liquor fishplate bar is fixed with feed liquor frame, the sealing ring is set on the inner wall of main pipeline, and the side of sealing ring is connected with anticorrosive insulation, the inside lower end of main pipeline is connected with lower filter screen, and the left and right ends of lower filter screen and the left and right ends of upper filter screen are mounted on connection buckle.The present invention is provided with upper filter screen and lower filter screen by the device, liquid is detected after entering the device, double-deck filtering will be will do it, to filter out the impurity contained in detection liquid, it avoids remaining in because of impurity in detection liquid, the data detected are caused to deviate, staff needs to carry out detection work again again.
Description
Technical field
The present invention relates to chromatographic technology field, specially a kind of chromatographic column for Pesticide Residues detection.
Background technique
Chromatographic column is made of column tube, pressure cap, cutting ferrule (sealing ring), sieve plate (filter disc), connector, screw etc., and chromatographic column can divide
For packed column and open tubular column two major classes, mostly metal or glass production, there are the shapes such as Straight, spirally coiled, U-tube, liquid phase color
Spectrum is usually all made of packed column, and the separating effect of chromatographic column depends on preparation and the behaviour of selected stationary phase and chromatographic column
Make condition.
Currently, chromatographic column structure setting in the market is more single, because whole leakproofness not enough reaches a standard, it is extremely easy hair
The phenomenon that raw leakage, and for some higher-height volumetric flasks, general chromatographic column can not carry out extraction work to detection liquid
Make, at the same detect the chemical substance that contains in liquid will corrosion pipeline inside.
Summary of the invention
The purpose of the present invention is to provide a kind of chromatographic columns for Pesticide Residues detection, solve existing color
It is more single to compose rod structure setting, the phenomenon that not enough reaching a standard because of whole leakproofness, be extremely easy to happen leakage, and for one
A little higher-height volumetric flasks, general chromatographic column can not carry out extraction work to detection liquid, while detect the change contained in liquid
Learn substance will corrosion pipeline inside problem.
To achieve the above object, the present invention provides the following technical solutions：A kind of color for Pesticide Residues detection
Column is composed, including main pipeline, feed liquor fishplate bar and sealing ring, the inner top side of the main pipeline are fixedly connected with upper filter screen, and
The outer upper end of main pipeline is inlaid with out liquid fishplate bar, and the feed liquor fishplate bar is set to the outside lower end of main pipeline, and feed liquor
The end of fishplate bar is fixed with feed liquor frame, and the sealing ring is set on the inner wall of main pipeline, and the side of sealing ring is connected with
Anticorrosive insulation.
Preferably, the inside lower end of the main pipeline is connected with lower filter screen, and the left and right ends of lower filter screen and upper filter screen
Left and right ends be mounted on connection buckle, the main pipeline passes through connection buckle respectively and lower filter screen, upper filter screen composition can
Detaching structure.
Preferably, the positive upper end of the liquid fishplate bar out is connected with out liquid frame, and the inside middle-end of liquid frame is equipped with out liquid out
Pipe, is connected with support column at left and right sides of the outlet tube, and the outlet tube outer end offers connecting pipe, and connecting pipe and
The junction of outlet tube is fixed with dead ring.
Preferably, it is described go out liquid fishplate bar top and the bottom end of liquid frame is on same horizontal line out, and out liquid frame with
Be between outlet tube semi-surrounding structure, perpendicular structure between the outlet tube and support column, and outlet tube by dead ring and
Connecting pipe is connected.
Preferably, the middle upper end and middle lower end of the main pipeline are respectively fixed with engaging column, and engaging column and main body tube
The connection type in road is to be threadedly coupled, and the engaging column is provided with one group as symmetry axis using the lateral central axes of main pipeline.
Preferably, the inside middle-end of the feed liquor frame is connected with inlet tube, and the bottom end of inlet tube is equipped with inlet, institute
It states inlet tube and is connected by fixing sleeve with feed liquor fishplate bar, and fixing sleeve is set to the junction of inlet tube and feed liquor fishplate bar, institute
It states feed liquor fishplate bar and retractable structure is constituted by fixing sleeve and support rod.
Preferably, the bottom end left and right ends of the feed liquor frame are fixed with the one end inlayed mouth, and inlay mouth and are connected with connection
Cover board is fixed with mosaic groove, the outer end of the connecting cover plate and the inner end shape phase for inlaying mouth on the inside of the connecting cover plate
It coincide, and the innermost insert of connecting cover plate has the mosaic groove in " ten " structure.
Compared with prior art, beneficial effects of the present invention are as follows：
1, the present invention is provided with upper filter screen and lower filter screen by the device, and detection liquid is after entering the device, it will carries out
Double-deck filtering avoids remaining in because of impurity in detection liquid to filter out the impurity contained in detection liquid, causes to detect
Data deviate, and staff needs to carry out detection work again again, and the working efficiency of staff will reduce.
2, present invention detection liquid is provided with fastening by the device when carrying out out liquid work extremely there is a phenomenon where revealing
Ring, dead ring are set to the junction of the connecting tube of connecting pipe and outlet tube, so that dead ring can be to outlet tube and connection
The connection at pipeline bottom carries out certain reinforcement, avoids not enough reaching a standard because of the connecting pipe of outlet tube and connecting pipe, the dress
Set the problem of will occurring to detect liquid leakage.
3, the present invention is helicitic texture by the connection type of engaging column and main pipeline, and engaging column is capable of increasing main body tube
The obdurability in road avoids main pipeline because of the influence by external environment, it will there is a phenomenon where rupturing, while passing through engaging column
It is in rectangular configuration, it can be in traverse state convenient for the device, avoiding the device, there is a phenomenon where slide.
4, the feed liquor fishplate bar that is arranged of the present invention and feed liquor frame are integrated setting, while feed liquor fishplate bar is again and inlet tube is one
Body, feed liquor fishplate bar constitute stretching structure by fixing sleeve and inlet tube, thus make the device that there is certain flexible work, and
Certain adjusting is carried out to inlet tube according to the height of volumetric flask convenient for staff.
5, sealing ring and anticorrosive insulation that the present invention is arranged, sealing ring are tightly attached to the inner wall of main pipeline, so as to
The leakproofness for improving main pipeline entirety avoids detection liquid from revealing when inside main pipeline, and it is big to detect liquid
Majority contains certain corrosivity, and anticorrosive insulation can carry out certain protection work to main pipeline, avoids detection liquid rotten
Lose the inside of main pipeline.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is connecting cover plate structural schematic diagram of the present invention；
Fig. 3 is main pipeline schematic diagram of internal structure of the present invention.
In figure：A01 main pipeline, A02 upper filter screen, AO3 lower filter screen, A04 connection buckle, A05 go out liquid fishplate bar, A06 goes out liquid
Frame, A07 outlet tube, A08 support column, A09 connecting pipe, A10 dead ring, A11 engaging column, A12 feed liquor fishplate bar, A13 feed liquor frame,
A14 inlet tube, A15 inlet, A16 fixing sleeve, A17 inlay mouth, A18 connecting cover plate, A19 mosaic groove, A20 sealing ring, A21
Anticorrosive insulation.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1-3, a kind of chromatographic column for Pesticide Residues detection, including main pipeline A01, upper filter screen
AO2, lower filter screen A03, connection buckle A04, go out liquid fishplate bar A05, go out liquid frame A06, outlet tube A07, support column A08, connecting pipe
A09, dead ring A10, engaging column A11, feed liquor fishplate bar A12, feed liquor frame A13, inlet tube A14, inlet A15, fixing sleeve A16,
Inlay a mouthful A17, connecting cover plate A18, mosaic groove A19, sealing ring A20 and anticorrosive insulation A21, the inside of main pipeline A01
Upper end is fixedly connected with upper filter screen AO2, and the outer upper end of main pipeline A01 is inlaid with out liquid fishplate bar A05, main pipeline A01
Inside lower end be connected with lower filter screen A03, and the left and right ends of lower filter screen A03 and the left and right ends of upper filter screen AO2 are mounted on
Connection buckle A04, main pipeline A01 pass through connection buckle A04 and lower filter screen A03, upper filter screen AO2 respectively and constitute detachable knot
Structure, when detection liquid stream is to outlet tube A07, it will touch upper filter screen A02, upper filter screen A02 will further be filtered work
Make, the purity of detection liquid will be improved under the setting of upper filter screen A02 and lower filter screen A03, the data detected is avoided to deviate,
Upper filter screen A02 and lower filter screen A03 will will do it certain disassembly under the setting of connection buckle A04 simultaneously, be convenient for staff
Impurity is taken to the inside of main pipeline A01 out of, out the positive upper end of liquid fishplate bar A05 is connected with out liquid frame A06, and liquid frame A06 out
Inside middle-end is equipped with outlet tube A07, and support column A08 is connected at left and right sides of outlet tube A07, and the outer end outlet tube A07 opens up
There is connecting pipe A09, and the junction of connecting pipe A09 and outlet tube A07 are fixed with dead ring A10, out the top of liquid fishplate bar A05
It holds and the bottom end of liquid frame A06 is on same horizontal line out, and be out in semi-surrounding structure between liquid frame A06 and outlet tube A07,
Perpendicular structure between outlet tube A07 and support column A08, and outlet tube A07 is connected by dead ring A10 with connecting pipe A09
It connects, detection liquid will flow to connecting pipe A09, connecting pipe A09 and outlet tube A07 in dead ring after through outlet tube A07
Under the setting of A10, the connection of the two will obtain certain reinforcing, and connecting pipe A09 and outlet tube A07 is avoided to separate,
Support column A08 will carry out certain support work to outlet tube A07, and the middle upper end and middle lower end of main pipeline A01 is solid respectively
Surely there is engaging column A11, and the connection type of engaging column A11 and main pipeline A01 are to be threadedly coupled, engaging column A11 is with main body tube
The lateral central axes of road A01 are that symmetry axis is provided with one group, the device are provided with engaging column A11, engaging column A11 is set to
The outer end of main pipeline A01, so that the obdurability that will will increase main pipeline A01, avoids main pipeline A01 because by extraneous ring
After the influence in border, it will there is a phenomenon where rupturing, feed liquor fishplate bar A12 is set to the outside lower end of main pipeline A01, and feed liquor connects
The end of plate A12 is fixed with feed liquor frame A13, and the inside middle-end of feed liquor frame A13 is connected with inlet tube A14, and the bottom of inlet tube A14
End is equipped with inlet A15, and inlet tube A14 is connected by fixing sleeve A16 with feed liquor fishplate bar A12, and fixing sleeve A16 is set to
The junction of inlet tube A14 and feed liquor fishplate bar A12, feed liquor fishplate bar A12 are made up of scalable fixing sleeve A16 and support rod A15
Structure is integrated setting by feed liquor fishplate bar A12 and feed liquor frame A13, while feed liquor fishplate bar A12 is integrated with inlet tube A14 again,
Feed liquor fishplate bar A12 constitutes stretching structure by fixing sleeve A16 and inlet tube A14, thus inlet tube A14 fixing sleeve A16 and into
Certain flexible work will be will do it under the setting of liquid fishplate bar A12, the bottom end left and right ends of feed liquor frame A13, which are fixed with, inlays mouth
A17, and the one end for inlaying mouthful A17 is connected with connecting cover plate A18, and mosaic groove A19 is fixed on the inside of connecting cover plate A18, even
The outer end of connects cover plate A18 matches with the inner end shape for inlaying mouthful A17, and the innermost insert of connecting cover plate A18 has in " ten " knot
The mosaic groove A19 of structure, when not in use, staff can be again under the setting of fixing sleeve A16, by inlet tube for the device
A14 is put into the inside of feed liquor frame A13, and subsequent staff connecting cover plate A18 and can will inlay mouthful A17 and carry out certain combination
Work, feed liquor frame A13 and inlays a mouthful A17 and is integrated, so that connecting cover plate A18 and feed liquor frame A13 will be connected as one, passes through
Mosaic groove A19 is provided on the inside of connecting cover plate A18, mosaic groove A19 will be put into some foam-rubber cushions by staff, this
A little foam-rubber cushions will absorb the remaining detection liquid of main pipeline, and sealing ring A20 is set on the inner wall of main pipeline A01, and close
The side of seal A20 is connected with anticorrosive insulation A21.
In use, staff carries out certain adjustment work to the device first according to the height of volumetric flask, by into
Liquid fishplate bar A12 and feed liquor frame A13 is integrated setting, while feed liquor fishplate bar A12 is integrated with inlet tube A14 again, feed liquor fishplate bar A12
Stretching structure is constituted by fixing sleeve A16 and inlet tube A14, so that inlet tube A14 is fixing sleeve A16's and feed liquor fishplate bar A12
Certain flexible work will be will do it under setting, inlet tube A14 can will be carried over feed liquor frame A13, inlet tube by staff
The inlet A15 of the bottom end A14 setting is in funnel structure, and inlet A15 and inlet tube A14 are integrated, so that will detect liquid will
The inside of main pipeline A01 can be entered by inlet A14 and inlet tube A15, lower filter screen will be touched by this moment detecting liquid
A03, lower filter screen A03 will filter out the impurity that contains in detection liquid, when then detecting liquid stream to outlet tube A07, it will contact
It will be further filtered work to upper filter screen A02, upper filter screen A02, it will under the setting of upper filter screen A02 and lower filter screen A03
The purity that detection liquid can be improved, avoids the data detected from deviating, while upper filter screen A02 and lower filter screen A03 are in connection card
Certain disassembly will be will do it under the setting of A04 by detaining, and impurity be taken to the inside of main pipeline A01 convenient for staff out of, simultaneously
The device is provided with sealing ring A20, sealing ring A20 is tightly attached to the inner wall of main pipeline A01, so that main body tube will be improved
The leakproofness of road A01 entirety avoids detection liquid from most of revealing when inside the main pipeline A01, and detect liquid
It is kept away containing certain corrosivity by carrying out certain protection work to main pipeline A01 under the setting of anticorrosive insulation A21
The inside of test free corrosion main pipeline A01, while the service life of the device is improved, detection liquid is passing through outlet tube A07
After will flow to connecting pipe A09, connecting pipe A09 and outlet tube A07 under the setting of dead ring A10, the connection of the two will
Certain reinforcing can be obtained, connecting pipe A09 and outlet tube A07 is avoided to separate, support column A08 will be to outlet tube A07
Certain support work is carried out, engaging column A11 is provided with by the device, engaging column A11 is set to the outer of main pipeline A01
End, thus the obdurability that main pipeline A01 will be will increase, avoid main pipeline A01 because of the influence by external environment after, it will
There is a phenomenon where rupturing, at the same it is in rectangular configuration by engaging column A11, it will convenient for staff to the placement work of the device
Make, when not in use, inlet tube A14 can be put into feed liquor frame again under the setting of fixing sleeve A16 to the device by staff
The inside of A13, subsequent staff connecting cover plate A18 and can will inlay mouthful A17 and carry out certain work in combination, feed liquor frame
It A13 and inlays a mouthful A17 and is integrated, so that connecting cover plate A18 and feed liquor frame A13 will be connected as one, pass through connecting cover plate A18
Inside be provided with mosaic groove A19, mosaic groove A19 will be put into some foam-rubber cushions by staff, these foam-rubber cushions will
The remaining detection liquid of main pipeline can be absorbed.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of chromatographic column for Pesticide Residues detection, including main pipeline (A01), feed liquor fishplate bar (A12) and close
Seal (A20), it is characterised in that：The inner top side of the main pipeline (A01) is fixedly connected with upper filter screen (AO2), and main body
The outer upper end of pipeline (A01) is inlaid with out liquid fishplate bar (A05), and the feed liquor fishplate bar (A12) is set to main pipeline (A01)
Outside lower end, and the end of feed liquor fishplate bar (A12) is fixed with feed liquor frame (A13), the sealing ring (A20) is set to main pipeline
(A01) on inner wall, and the side of sealing ring (A20) is connected with anticorrosive insulation (A21).
2. a kind of chromatographic column for Pesticide Residues detection according to claim 1, it is characterised in that：The master
The inside lower end of body pipeline (A01) is connected with lower filter screen (A03), and the left and right ends of lower filter screen (A03) and upper filter screen (AO2)
Left and right ends are mounted on connection buckle (A04), and the main pipeline (A01) passes through connection buckle (A04) and lower filter screen respectively
(A03), upper filter screen (AO2) constitutes detachable structure.
3. a kind of chromatographic column for Pesticide Residues detection according to claim 1, it is characterised in that：It is described go out
The positive upper end of liquid fishplate bar (A05) is connected with out liquid frame (A06), and the inside middle-end of liquid frame (A06) is equipped with outlet tube out
(A07), it is connected with support column (A08) at left and right sides of the outlet tube (A07), outlet tube (A07) outer end offers company
Adapter tube road (A09), and the junction of connecting pipe (A09) and outlet tube (A07) is fixed with dead ring (A10).
4. a kind of chromatographic column for Pesticide Residues detection according to claim 2, it is characterised in that：It is described go out
The top of liquid fishplate bar (A05) and the bottom end of liquid frame (A06) is on same horizontal line out, and liquid frame (A06) and outlet tube out
It (A07) is in semi-surrounding structure, perpendicular structure between the outlet tube (A07) and support column (A08), and outlet tube between
(A07) it is connected by dead ring (A10) with connecting pipe (A09).
5. a kind of chromatographic column for Pesticide Residues detection according to claim 1, it is characterised in that：The master
The middle upper end and middle lower end of body pipeline (A01) are respectively fixed with engaging column (A11), and engaging column (A11) and main pipeline (A01)
Connection type be to be threadedly coupled, the engaging column (A11) is provided with using the lateral central axes of main pipeline (A01) as symmetry axis
One group.
6. a kind of chromatographic column for Pesticide Residues detection described in -5 according to claim 1, it is characterised in that：Feed liquor
The inside middle-end of frame (A13) is connected with inlet tube (A14), and the bottom end of inlet tube (A14) is equipped with inlet (A15), described
Inlet tube (A14) is connected by fixing sleeve (A16) with feed liquor fishplate bar (A12), and fixing sleeve (A16) is set to inlet tube
(A14) and the junction of feed liquor fishplate bar (A12), the feed liquor fishplate bar (A12) pass through fixing sleeve (A16) and support rod (A15) structure
At retractable structure.
7. a kind of chromatographic column for Pesticide Residues detection described in -6 according to claim 1, it is characterised in that：Feed liquor
The bottom end left and right ends of frame (A13), which are fixed with, inlays mouth (A17), and the one end for inlaying mouth (A17) is connected with connecting cover plate
(A18), it is fixed with mosaic groove (A19) on the inside of the connecting cover plate (A18), the outer end of the connecting cover plate (A18) and edge
The inner end shape of embedding mouth (A17) matches, and the innermost insert of connecting cover plate (A18) has the mosaic groove in " ten " structure
(A19)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810851899.6A CN108918742A (en) | 2018-07-30 | 2018-07-30 | A kind of chromatographic column for Pesticide Residues detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810851899.6A CN108918742A (en) | 2018-07-30 | 2018-07-30 | A kind of chromatographic column for Pesticide Residues detection |
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| Publication Number | Publication Date |
|---|---|
| CN108918742A true CN108918742A (en) | 2018-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810851899.6A Pending CN108918742A (en) | 2018-07-30 | 2018-07-30 | A kind of chromatographic column for Pesticide Residues detection |
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| CN106287038A (en) * | 2016-09-06 | 2017-01-04 | 东莞金兆顺五金工业有限公司 | A kind of feed liquor leak-proof device |
| CN207648288U (en) * | 2017-11-10 | 2018-07-24 | 王河水 | A kind of automobile pipe fitting |
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| CN105556302A (en) * | 2013-09-27 | 2016-05-04 | 通用电气健康护理生物科学股份公司 | Chromatography column assembly |
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Application publication date: 20181130 |