CN207751948U - Liquid chromatograph solvent sample introduction and waste collection seal safety head - Google Patents
Liquid chromatograph solvent sample introduction and waste collection seal safety head Download PDFInfo
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- CN207751948U CN207751948U CN201820146754.1U CN201820146754U CN207751948U CN 207751948 U CN207751948 U CN 207751948U CN 201820146754 U CN201820146754 U CN 201820146754U CN 207751948 U CN207751948 U CN 207751948U
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- sample introduction
- waste collection
- sealing device
- liquid chromatograph
- filter
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Abstract
The utility model liquid chromatograph sealing device technical field, and in particular to liquid chromatograph solvent sample introduction and waste collection seal safety head.Including the main body in trepanning solvent bottle cap, bottle cap, main body is embedded in bottle cap, there are sample introduction sealing device, waste collection sealing device in main body, sample introduction sealing device includes check valve filter and anchor tip, waste collecting device includes adsorption filter and anchor tip, the filtering cover for having flexible connection above check valve filter, inside has micropore filtering film and one-way airflow valve, has sorbing material in adsorption filter.The utility model has the beneficial effects that：There are miillpore filter and check valve in air inlet; the acticarbon that exhaust outlet is equipped with by inside; avoid solvent contamination; prevent the pernicious gases such as organic solvent from volatilizing; environmental protection and personnel safety; the replacement of the component in sampling device and waste collecting device is facilitated by the filtering cover and adsorption cover of flexible connection, saves expense.
Description
Technical field
The utility model liquid chromatograph sealing device technical field, and in particular to liquid chromatograph solvent sample introduction and waste liquid
Collect sealing safety head.
Background technology
Liquid chromatograph is the instrument that separation analysis is carried out to solution example, is the device for carrying out chromatography, extensive
It includes liquid chromatograph and liquid chromatograph to apply the detection, analysis and data record in chemical products, chromatograph, be can be used for pair
Liquid or the solid sample for being dissolved in liquid carry out constant or micro-analysis detection, and chromatograph is mainly by sampling system, infusion
The part such as system, piece-rate system, detecting system and data processing system forms.
In the prior art, in liquid chromatograph solvent sample introduction and the device of waste collection system, liquid chromatograph is organic
Solvent pushes detection sample to enter signal piping as mobile phase, and organic solvent needs centralized collection after all parts outflow
Post-processing.Usual way is that pipeline is directly punched to go deep into solvent or use anchor tip on solvent bottle/bung
Fixed conduit positions to prevent solvent from volatilizing, then are aided with sealed membrane sealing covering.This brings problems with：（1）It is organic molten
Agent belongs to volatile liquid, can largely be evaporated into room air from bottle cap vacancy, cause indoor solvent odor very big, Geng Huizao
At environmental pollution, the health of badly damaged staff；（2）If bottleneck is shut, block air circulation, solvent into
It can make to form closed negative-pressure vacuum environment in solvent bottle again in sample, solvent can not be extracted；In waste collection, and solvent can be made
Positive pressure hyperbaric environment is formed in bottle, waste liquid can not inject in container；（3）It is that stomata or open type are got through on mobile phase bottle cap
Interface, when extracting solvent, the impurity such as dust in air can follow air to enter in mobile phase bottle together, cause solvent dirty
Dye；Though there is the device that can be solved the above problems in the prior art, the adsorption filter and check valve filter of the device are solid
Fixed, internal component cannot be replaced at any time as needed, anchor tip can only also connect a kind of pipeline, inflexible for use,
Entire anchor tip, adsorption filter and check valve filter component are needed to be replaced frequently in practice, are unfavorable for energy conservation and environmental protection, because
This is badly in need of a kind of device to solve the above problems.
Utility model content
In view of the deficiencies of the prior art, the utility model devises one kind and is preventing from evaporating, and solvent is facilitated to extract
And while preventing solvent contamination, using flexible can more changing device inner part, and widely used liquid chromatograph with the need
Solvent sample introduction and waste collection seal safety head, and the concrete scheme of the utility model is as follows：
Liquid chromatograph solvent sample introduction and waste collection seal safety head, the main body in trepanning solvent bottle cap, bottle cap, main body
In embedded bottle cap, there are sample introduction sealing device and/or the waste collection sealing device, the sample introduction sealing device to include in the main body
Check valve filter and anchor tip, the waste collection sealing device connection waste collection bottle or bucket, further include adsorption filtration
Device and anchor tip, the sample introduction sealing device and waste collection sealing device are separately mounted to main body both ends, wherein the bottle
Lid can rotate freely, and have the filtering cover of flexible connection above the check valve filter, have absorption in the adsorption filter
Material, top have the adsorption cover of flexible connection, have in the check valve filter flexible connection micropore filtering film above and
There are micropore filtering film in one-way airflow valve, the sorbing material top.
In the utility model, main body, which obtains material, to be polytetrafluoro material, pass through the filtering cover and adsorption cover of flexible connection
The flexibility of device is facilitated, the i.e. replaceable sample introduction sealing device of filtering cover and adsorption cover need to be only opened when in use and waste liquid is received
Collect the component in sealing device, without replacing entire check valve and waste collection adsorption filter, expense is saved, by interior
The acticarbon that portion is equipped with, the effectively organic solvent of absorption volatilization, not only ensure that free air circulation, but also prevent solvent
Volatilization, environmental protection protect the health of staff.
When the utility model device work extraction solution, subnormal ambient can be formed in solvent bottle, one-way cock both ends have
Pressure difference, individual event valve valve are opened, and air enters after filter membrane in solvent bottle, ensure that solvent normally extracts；Machine stops
After work, check valve pressure at two ends difference disappears, and valve is automatically closed, and prevents organic solvent volatile gas body from evaporating into outside solvent bottle
Portion.
The utility model is used for receiving the waste liquid of machine discharge by waste collection bottle, contains a large amount of effumabilities in waste liquid
Organic solvent, escaping gas are discharged after small-bore gas vent is by active carbon adsorption, since the absorption of activated carbon is special
Property, organic solvent is adsorbed on inside particle, air stream is normally discharged, and ensures drain normal work.
When the equipment work extraction solution of the utility model, subnormal ambient, one-way cock both ends can be formed in solvent bottle
There are pressure difference, individual event valve valve to open, air enters after filter membrane in solvent bottle, ensures that solvent normally extracts.Machine stops
After only working, check valve pressure at two ends difference disappears, and valve is automatically closed, and prevents organic solvent volatile gas body from evaporating into outside solvent bottle
Portion.
Preferably, above-mentioned micropore filtering film has two layers, ensure that degree of filtration；Check valve filter is air check valve mistake
Filter only allows air into solvent bottle, does not allow volatilization gas to be discharged.
Preferably, above-mentioned sorbing material is activated carbon, and by practice, the adsorption effect of activated carbon is best.
Preferably, above-mentioned anchor tip is integrated the cylinder ring of three diameters of connection from small to large, the circle of the minimum
It is back taper structure to have pressure ring, the pressure ring below the band of column, has the pipeline through anchor tip box pressure ring in the pressure ring, activity is even
The design of the pressure ring connect is user-friendly, in the pipeline for needing different size, only needs to change pressure ring, the prior art
In anchor tip and one entirety when pressure ring pipeline, the utility model overcomes to be needed replacing entire fixation and connects in the prior art
The defect of head.
Preferably, the screwed ring for having flexible connection on the inside of above-mentioned bottle cap, is suitable for the lid of the liquid chromatogram of different size,
Only need to change different size of screwed ring with the need, be conducive to it is energy saving, save money.
Preferably, the anchor tip on above-mentioned sample introduction sealing device and/or waste collection sealing device has 1-6, convenient
Increase and decrease the quantity of the pipeline of charging or the pipeline of waste collection according to different needs.
Preferably, the minimum bottom diameter range in above-mentioned pressure ring is 1.5-3.2mm, and this range is suitable for most of advise
The liquid chromatogram of lattice.
In use, only the device of the utility model need to be installed on corresponding instrument, according to the chromatography of different bores
Instrument corresponds to different screwed rings, needs to install different pressure ring and pipeline according to different.
The utility model has the beneficial effects that：There is two layers of micropore filtering film in check valve filtering air inlet, effectively prevent
Dust enters solvent bottle solvent slop, and check valve filter prevents the pernicious gases such as organic solvent to evaporate into outside solvent bottle again,
The acticarbon being equipped with by inside on waste collection filter, the effectively organic solvent of absorption volatilization, environmental protection,
The health for protecting staff, filtering cover and adsorption cover need to be only opened by the filtering cover and adsorption cover of flexible connection when in use
Component in i.e. replaceable sampling device and waste collecting device saves expense, is mainly used in liquid chromatograph and liquid matter connects
With chromatograph, karl Fischer moisture tester can also be applied to, potentiometric titrimeter, ion chromatograph, kjeldahl apparatus etc. makes
With the place of organic solvent and volatile solvents.
Description of the drawings
Fig. 1 is the structure and usage state diagram of embodiment 1；Fig. 2 is the structure and usage state diagram of embodiment 2；Fig. 3 is real
Apply the structure and usage state diagram of example 3；Fig. 4 is anchor tip and pressure ring connection figure；Fig. 5 is ring structure figure；Fig. 6 is embodiment
1 usage state diagram being used together with the device of embodiment 2；
Wherein, 1- bottle caps, 2- main bodys, 3- sample introduction sealing devices, 4- waste collection sealing devices, the filtering of 5- air check valves
Device, 501- filtering covers, 5011- through-holes, two layers of micropore filtering film of 502-, 6- adsorption filters, 601- adsorption covers, 6011- through-holes,
Two layers of micropore filtering film of 602-, 7- anchor tips, 8- pipelines, 9- screwed rings, 10- instruments, 11- pressure rings.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific implementation mode is further described the utility model.
Embodiment 1
The utility model provides the scheme of being implemented as follows to defect of the existing technology, and liquid chromatograph as shown in the figure is molten
Main body 2 in agent sample introduction and waste collection sealing safety head, including bottle cap 1, bottle cap, material of main part is polytetrafluoro material, main body
In embedded bottle cap 1, bottle cap 1 can rotate freely, and it includes unidirectional empty to have sample introduction sealing device 3, sample introduction sealing device 3 in main body 2
Air valve filter 5 and anchor tip 7, sampling device are located at 2 one end of main body, and there is activity in 5 top of check valve filter therein even
The filtering cover 501 connect has through-hole 5011 on filtering cover 501, there is two layers of the micropore of flexible connection above in check valve filter 5
Filter membrane 502 and one-way airflow valve 12.
Anchor tip 7 is integrated the cylinder ring of three diameters of connection from small to large, has pressure ring below minimum cylinder ring
11, pressure ring 11 is back taper structure, has the pipeline 8 through anchor tip box pressure ring 11,1 inside of block to have flexible connection in pressure ring 11
Screwed ring 9, there are one the anchor tips 7 on sample introduction sealing device 3；Minimum bottom diameter range in pressure ring 11 is 1.5-
3.2mm。
Embodiment 2
The utility model provides the scheme of being implemented as follows to defect of the existing technology, and liquid chromatograph as shown in the figure is molten
Agent sample introduction and waste collection seal safety head, and waste collection sealing device 4 connects waste collection bottle, including including bottle cap 1, bottle cap
Interior main body 2, material of main part are polytetrafluoro material, and main body is embedded in bottle cap 1, and bottle cap 1 can rotate freely, and have in main body 2 useless
Liquid collects sealing device 4, and waste collection sealing device 4 includes adsorption filter 6 and anchor tip 7, adsorption filter 6 therein
Inside there are sorbing material, top to have the adsorption cover 601 of flexible connection, has through-hole 6011 on adsorption cover 601, also have above sorbing material
Two layers of micropore filtering film 602 and one-way airflow valve 12.
Anchor tip 7 is integrated the cylinder ring of three diameters of connection from small to large, has pressure ring below minimum cylinder ring
11, pressure ring 11 is back taper structure, has the pipeline 8 through anchor tip box pressure ring, 1 inside of block to have flexible connection in pressure ring 11
Screwed ring 9；Sorbing material is activated carbon, and there are four the anchor tips 7 on waste collection sealing device 4；Smallest base in pressure ring 1
Portion's diameter range is 1.5-3.2mm.
Embodiment 3
The utility model provides the scheme of being implemented as follows to defect of the existing technology, and liquid chromatograph as shown in the figure is molten
Agent sample introduction and waste collection seal safety head, and it includes bottle cap 1, the main body 2 in bottle cap to include, and material of main part is polytetrafluoro material,
Main body is embedded in bottle cap 1, and bottle cap 1 can rotate freely, and have sample introduction sealing device 3 and waste collection sealing device 4 in main body 2,
Sample introduction sealing device 3 includes check valve filter 5 and anchor tip 7, and waste collection sealing device 4 connects waste collection bucket, also
Including adsorption filter 6 and anchor tip 7, sample introduction sealing device 3 and waste collection sealing device 4 are separately mounted to 2 liang of main body
There are the filtering cover 501 of flexible connection in end, 5 top of check valve filter therein, have sorbing material, top in adsorption filter 6
There is the adsorption cover 601 of flexible connection, there is through-hole 5011 and through-hole 6011, check valve filter on filtering cover 501 and adsorption cover 601
There are two layers of micropore filtering film 502 and the one-way airflow valve 12 being flexibly connected above in 5, also has two layers above sorbing material
Micropore filtering film 602 and one-way airflow valve 12.
Anchor tip 7 is integrated the cylinder ring of three diameters of connection from small to large, has pressure ring below minimum cylinder ring
11, pressure ring 11 is back taper structure, has the pipeline 8 through anchor tip box pressure ring, 1 inside of block to have flexible connection in pressure ring 11
Screwed ring 9；Sorbing material is activated carbon, and by practice, the adsorption effect of activated carbon is best；Fixation on sample introduction sealing device 3
There are one connectors 7, and there are five the anchor tips 7 on waste collection sealing device 4；Minimum bottom diameter range in pressure ring 11 is
1.5-3.2mm。
The device of embodiment 1-3 is installed on the bottle cap of instrument 10 and uses by the use of embodiment 1-3, and correspondence is different
Bottle cap is applicable in the screwed ring 9 on different lids, and the sample introduction to liquid chromatograph, the realization pair of embodiment 2 may be implemented in embodiment 1
The sample introduction of liquid chromatograph and liquid waste processing are combined, prevent from evaporating by the liquid waste processing of liquid chromatograph, embodiment 3, and
While facilitating solvent to extract and prevent solvent contamination, using flexible, and be widely used, it is cost-effective.
The technical characteristic without description can be achieved by the prior art in the utility model, and details are not described herein, above
Described is only the better embodiment of the utility model, and the utility model is not limited in above-mentioned specific implementation mode, this field
The variations, modifications, additions or substitutions that those of ordinary skill makes in the essential scope of the utility model should also belong to this practicality
Novel protection domain.
Claims (7)
1. the main body in liquid chromatograph solvent sample introduction and waste collection sealing safety head, including trepanning solvent bottle cap, bottle cap, main
Body is embedded in bottle cap, there is sample introduction sealing device and/or waste collection sealing device, the sample introduction sealing device packet in the main body
Check valve filter and anchor tip, the waste collection sealing device connection waste collection bottle or bucket are included, further includes adsorbing
Filter and anchor tip, the sample introduction sealing device and waste collection sealing device are separately mounted to main body both ends, and feature exists
In：The bottle cap can rotate freely, and have the filtering cover of flexible connection, the adsorption filter above the check valve filter
Inside there are sorbing material, top to have the adsorption cover of flexible connection, there is the micropore of flexible connection above in the check valve filter
Also there are micropore filtering film in filter membrane and one-way airflow valve, the sorbing material top.
2. liquid chromatograph solvent sample introduction according to claim 1 and waste collection seal safety head, it is characterised in that：Institute
Stating micropore filtering film has two layers, and check valve filter is air check valve filter.
3. liquid chromatograph solvent sample introduction according to claim 1 and waste collection seal safety head, it is characterised in that：Institute
It is activated carbon to state sorbing material.
4. liquid chromatograph solvent sample introduction according to claim 1 and waste collection seal safety head, it is characterised in that：Institute
It states anchor tip and is integrated the cylinder ring of three diameters of connection from small to large, have pressure ring below the cylinder ring of the minimum, institute
It is back taper structure to state pressure ring, has the pipeline through anchor tip box pressure ring in the pressure ring.
5. liquid chromatograph solvent sample introduction according to claim 1 and waste collection seal safety head, it is characterised in that：Institute
Stating on the inside of bottle cap has the screwed ring being connect with subject activity.
6. liquid chromatograph solvent sample introduction according to claim 1 and waste collection seal safety head, it is characterised in that：Institute
Stating the anchor tip on sample introduction sealing device and/or waste collection sealing device has 1-6.
7. liquid chromatograph solvent sample introduction according to claim 4 and waste collection seal safety head, it is characterised in that：Institute
It is 1.5-3.2mm to state the minimum bottom diameter range in pressure ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820146754.1U CN207751948U (en) | 2018-01-29 | 2018-01-29 | Liquid chromatograph solvent sample introduction and waste collection seal safety head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820146754.1U CN207751948U (en) | 2018-01-29 | 2018-01-29 | Liquid chromatograph solvent sample introduction and waste collection seal safety head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207751948U true CN207751948U (en) | 2018-08-21 |
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ID=63154129
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820146754.1U Active CN207751948U (en) | 2018-01-29 | 2018-01-29 | Liquid chromatograph solvent sample introduction and waste collection seal safety head |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109092030A (en) * | 2018-10-19 | 2018-12-28 | 江苏省送变电有限公司 | Sulfur hexafluoride gas acidity detecting instrument adsorption filtration device |
| CN112916056A (en) * | 2021-04-08 | 2021-06-08 | 中蔬生物科技(寿光)有限公司 | Waste liquid collector and experimental equipment with same |
-
2018
- 2018-01-29 CN CN201820146754.1U patent/CN207751948U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109092030A (en) * | 2018-10-19 | 2018-12-28 | 江苏省送变电有限公司 | Sulfur hexafluoride gas acidity detecting instrument adsorption filtration device |
| CN112916056A (en) * | 2021-04-08 | 2021-06-08 | 中蔬生物科技(寿光)有限公司 | Waste liquid collector and experimental equipment with same |
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