CN215352120U - Extraction column with adsorption fibers - Google Patents
Extraction column with adsorption fibers Download PDFInfo
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- CN215352120U CN215352120U CN202120735708.7U CN202120735708U CN215352120U CN 215352120 U CN215352120 U CN 215352120U CN 202120735708 U CN202120735708 U CN 202120735708U CN 215352120 U CN215352120 U CN 215352120U
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Abstract
The utility model provides an extraction column with adsorption fibers, which comprises a first extraction column body, a second extraction column body and a connecting pipe, wherein a liquid outlet pipe is arranged at the bottom of the first extraction column body, the diameter of the liquid outlet pipe is smaller than that of the top of the second extraction column body, the first extraction column body is inserted into the top of the second extraction column body through the liquid outlet pipe, the adsorption fibers are arranged inside the first extraction column body and the second extraction column body, a filtering device is arranged at the bottom of the adsorption fibers, and a detachable rubber plug is arranged at the bottom of the second extraction column body. The utility model has the beneficial effects that: according to the auxiliary sample loading device, the first extraction column body and the second extraction column body are arranged to lengthen the solid-phase extraction column, so that the sample loading times during sample loading, leaching and eluting can be reduced, the working efficiency of people is effectively improved, and the whole novel auxiliary solid-phase extraction column auxiliary sample loading device is simple in structure, convenient to operate and better in using effect compared with a traditional mode.
Description
Technical Field
The utility model relates to the field of extraction columns, in particular to an extraction column with adsorption fibers.
Background
Compared with other purification, enrichment and separation technologies, the solid-phase extraction technology has the following advantages: the method has the advantages of batch treatment, time saving, solvent use and waste generation reduction, selectivity of various bonded stationary phases, enrichment and separation of trace analytes, easiness in automation realization, high recovery rate and gradual change of a solid phase extraction method into a main method for sample pretreatment at present.
Along with the change of times technology, the sample adding times during multiple times of sample adding, leaching and eluting are needed in the using process, so that the working efficiency is low easily, and certain adverse effect is brought to the using process.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects in the prior art and provides the extraction column with the adsorption fibers.
The purpose of the utility model is realized by the following technical scheme.
The utility model provides an extract post with adsorption fibre, includes first extraction cylinder, second extraction cylinder, connecting pipe and seal cover, the bottom of first extraction cylinder is equipped with the drain pipe, the diameter of drain pipe is less than the diameter at the top of second extraction cylinder, first extraction cylinder passes through the drain pipe inserts extremely the top of second extraction cylinder, first extraction cylinder the inside of second extraction cylinder all is equipped with adsorption fibre, just adsorption fibre's bottom is equipped with filter equipment, the bottom of second extraction cylinder is equipped with demountable installation's plug.
Preferably, a connecting pipe is further arranged at the joint of the second extraction column body and the first extraction column body, and the connecting pipe is sleeved outside the top of the second extraction column body and outside the bottom of the first extraction column body.
Preferably, in any one of the above schemes, the extraction column is further provided with a sealing sleeve, and the sealing sleeve is detachably arranged at the junction of the connecting pipe and the first extraction column body.
Preferably, by any of the above schemes, the sealing sleeve comprises a left sealing sleeve, a right sealing sleeve and a locking device, the fixed end of the left sealing sleeve and the fixed end of the right sealing sleeve are rotatably connected through a rotating shaft, and the free end of the left sealing sleeve and the free end of the right sealing sleeve are fixed through the locking device.
Preferably, in any one of the above schemes, the locking device includes a connecting plate disposed at the free end of the left sealing sleeve and the free end of the right sealing sleeve, the connecting plate is provided with a connecting hole, a thread is disposed in the connecting hole, and the fixing screw is fixed in the connecting hole through the connecting thread.
Preferably, according to any of the above embodiments, the filter device is any one of a nylon mesh, a ceramic plate, a glass fiber or a filter membrane.
In any of the above schemes, preferably, the first extraction column and the second extraction column are both made of polypropylene.
Preferably, the first extraction cartridge and the second extraction cartridge have a size of 1ml, 3ml, 6ml, 12ml, 30ml, 60ml or 100 ml.
Preferably according to any one of the preceding claims, the first extraction column and the second extraction column have a specification of 1-100L.
The utility model has the beneficial effects that:
the first extraction column body and the second extraction column body are inserted through the liquid outlet pipe, and the liquid outlet pipe of the first extraction column body is inserted into the top of the second extraction column body and extends into the second extraction column body, so that leakage cannot be caused during operation;
the connecting pipe is sleeved at the joint of the first extraction cylinder and the second extraction cylinder, so that the connection and fixation of the first extraction cylinder and the second extraction cylinder are ensured;
the sealing sleeve ensures that the connecting pipe and the first extraction column body do not shift, are fixed stably and do not leak;
the filtering device is used for allowing the solution to flow through but preventing the absorption fiber from losing;
according to the auxiliary sample loading device, the first extraction column body and the second extraction column body are arranged to lengthen the solid-phase extraction column, so that the sample loading times during sample loading, leaching and eluting can be reduced, the working efficiency of people is effectively improved, and the whole novel auxiliary solid-phase extraction column auxiliary sample loading device is simple in structure, convenient to operate and better in using effect compared with a traditional mode.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the gland;
in the figure:
1. a first extraction column; 2. a second extraction column; 3. a connecting pipe; 4. sealing sleeves; 5. a liquid outlet pipe;
6. adsorbing the fibers; 7. a filtration device; 8. a rubber plug; 9. a connecting plate; 10. a screw; 11. a rotating shaft;
12. a left sealing sleeve; 13. a right sealing sleeve; 14. a connecting plate.
Detailed Description
The technical solution of the present invention is further illustrated by the following specific examples.
As shown in fig. 1 and 2, 1 is a first extraction column; 2 is a second extraction column; 3 is a connecting pipe; 4, a sealing sleeve; 5 is a liquid outlet pipe; 6 is an adsorption fiber; 7 is a filtering device; 8 is a rubber plug; 9 is a connecting plate; 10 is a screw; 11 is a rotating shaft; 12 is a left sealing sleeve; 13 is a right sealing sleeve; and 14 is a connecting plate.
Example 1
As shown in fig. 1, a post draws with adsorption fiber, including first extraction cylinder, second extraction cylinder and connecting pipe, the bottom of first extraction cylinder is equipped with the drain pipe, the diameter of drain pipe is less than the diameter at the top of second extraction cylinder, first extraction cylinder passes through the drain pipe inserts extremely the top of second extraction cylinder, first extraction cylinder the inside of second extraction cylinder all is equipped with adsorption fiber, just adsorption fiber's bottom is equipped with filter equipment, the bottom of second extraction cylinder is equipped with demountable installation's plug.
The filtering device is any one of a nylon net, a ceramic plate, glass fiber or a filter membrane.
Preferably, the adsorption fiber is a polyethylene nanofiber membrane, the thickness of the polyethylene nanofiber membrane is 10-200 μm, the diameter of the nanofiber is 10-1000nm, and the surface of the fiber is smooth or porous; preferably, the fiber membrane material of the adsorption fiber is a superfine fiber membrane material which is modified with various functional groups, reverse-phase and weak anion exchange functional groups are simultaneously bonded on the fiber membrane material, the diameter of the fiber membrane material is 0.5-10 mu m, the bonded reverse-phase functional groups are fatty acid esters and are generally formed by fatty alcohol containing 4-6C atoms, and the weak anion exchange functional groups are amino functional groups and are generally ethylene diamine.
The first extraction column and the second extraction column are both made of polypropylene materials; the first extraction column and the second extraction column have any one of the specifications of 1ml, 3ml, 6ml, 12ml, 30ml, 60ml or 100 ml; or the first extraction column and the second extraction column have a specification of 1-100L.
Under the condition, the first extraction column body and the second extraction column body are inserted into the second extraction column body through the liquid outlet pipe to realize the connection arrangement of the first extraction column body and the second extraction column body.
Example 2
As shown in fig. 1, an extraction column with adsorption fibers comprises a first extraction column body, a second extraction column body, a connecting pipe and a sealing sleeve, wherein a liquid outlet pipe is arranged at the bottom of the first extraction column body, the diameter of the liquid outlet pipe is smaller than that of the top of the second extraction column body, the first extraction column body is inserted into the top of the second extraction column body through the liquid outlet pipe, adsorption fibers are arranged inside the first extraction column body and the second extraction column body, a filtering device is arranged at the bottom of the adsorption fibers, a rubber plug which is detachably mounted is arranged at the bottom of the second extraction column body, and the sealing sleeve is detachably arranged at the joint of the first extraction column body and the second extraction column body; a connecting pipe is further arranged at the joint of the second extraction column body and the first extraction column body, and is sleeved outside the top of the second extraction column body and outside the bottom of the first extraction column body; the seal cover is detachably arranged at the junction of the connecting pipe and the first extraction column body.
Under the condition, the first extraction column body and the second extraction column body are inserted into the second extraction column body through the liquid outlet pipe to realize connection arrangement of the first extraction column body and the second extraction column body, and the connecting pipe and the sealing sleeve are arranged outside to ensure that the first extraction column body and the second extraction column body are better connected.
The filtering device is any one of a nylon net, a ceramic plate, glass fiber or a filter membrane.
Preferably, the adsorption fiber is a polyethylene nanofiber membrane, the thickness of the polyethylene nanofiber membrane is 10-200 μm, the diameter of the nanofiber is 10-1000nm, and the surface of the fiber is smooth or porous; preferably, the fiber membrane material of the adsorption fiber is a superfine fiber membrane material which is modified with various functional groups, reverse-phase and weak anion exchange functional groups are simultaneously bonded on the fiber membrane material, the diameter of the fiber membrane material is 0.5-10 mu m, the bonded reverse-phase functional groups are fatty acid esters and are generally formed by fatty alcohol containing 4-6C atoms, and the weak anion exchange functional groups are amino functional groups and are generally ethylene diamine.
The first extraction column and the second extraction column are both made of polypropylene materials; the first extraction column and the second extraction column have any one of the specifications of 1ml, 3ml, 6ml, 12ml, 30ml, 60ml or 100 ml; or the first extraction column and the second extraction column have a specification of 1-100L.
As shown in fig. 2, the sealing sleeve comprises a left sealing sleeve, a right sealing sleeve and a locking device, the fixed end of the left sealing sleeve and the fixed end of the right sealing sleeve are rotatably connected through a rotating shaft, and the free end of the left sealing sleeve and the free end of the right sealing sleeve are fixed through the locking device.
The locking device comprises connecting plates arranged at the free end of the left sealing sleeve and the free end of the right sealing sleeve, connecting holes are formed in the connecting plates, threads are arranged in the connecting holes, and fixing screws are fixed in the connecting holes through the connecting threads.
The working mode is as follows:
when the device works, the first extraction column and the second extraction column are connected, acetonitrile, methanol, ethanol or acetone is added to soak the adsorption fibers for 1-10 minutes, then a 'leaching aqueous solution' is used for leaching, a solution to be extracted is added to be contacted with the leached adsorption fiber material for extraction, the extracted adsorption fibers are leached again by the 'leaching aqueous solution', and an elution solvent is used for eluting organic matters adsorbed on the fiber membrane material. The in-use eluting aqueous solution is a 5% methanol aqueous solution, and the eluting solvent is methanol containing 5% ammonia water or 5% formic acid.
The two embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (9)
1. An extraction column with adsorbent fibers, comprising: including first extraction cylinder, second extraction cylinder and connecting pipe, the bottom of first extraction cylinder is equipped with the drain pipe, the diameter of drain pipe is less than the diameter at the top of second extraction cylinder, first extraction cylinder passes through the drain pipe inserts extremely the top of second extraction cylinder, first extraction cylinder the inside of second extraction cylinder all is equipped with adsorption fiber, just adsorption fiber's bottom is equipped with filter equipment, the bottom of second extraction cylinder is equipped with demountable installation's plug.
2. The extraction column with adsorbent fibers of claim 1, wherein: the junction of second extraction cylinder with first extraction cylinder still is equipped with the connecting pipe, the connecting pipe cover is established the outside at the top of second extraction cylinder and the outside of the bottom of first extraction cylinder.
3. The extraction column with adsorbent fibers of claim 2, wherein: should draw the post still to be equipped with the seal cover, seal cover detachably sets up the connecting pipe with the juncture of first extraction cylinder.
4. The extraction column with adsorbent fibers of claim 3, wherein: the sealing sleeve comprises a left sealing sleeve, a right sealing sleeve and a locking device, the fixed end of the left sealing sleeve is connected with the fixed end of the right sealing sleeve in a rotating mode through a rotating shaft, and the free end of the left sealing sleeve is fixed with the free end of the right sealing sleeve through the locking device.
5. The extraction column with adsorbent fibers of claim 4, wherein: the locking device comprises connecting plates arranged at the free end of the left sealing sleeve and the free end of the right sealing sleeve, connecting holes are formed in the connecting plates, threads are arranged in the connecting holes, and fixing screws are fixed in the connecting holes through the connecting threads.
6. The extraction column with adsorbent fibers of any of claims 1-5, wherein: the filtering device is any one of a nylon net, a ceramic plate, glass fiber or a filter membrane.
7. The extraction column with adsorbent fibers of claim 6, wherein: the first extraction column and the second extraction column are both made of polypropylene.
8. The extraction column with adsorbent fibers of claim 7, wherein: the first extraction cartridge and the second extraction cartridge may have a size of 1ml, 3ml, 6ml, 12ml, 30ml, 60ml or 100 ml.
9. The extraction column with adsorbent fibers of claim 7, wherein: the first extraction column and the second extraction column have a specification of 1-100L.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120735708.7U CN215352120U (en) | 2021-04-12 | 2021-04-12 | Extraction column with adsorption fibers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120735708.7U CN215352120U (en) | 2021-04-12 | 2021-04-12 | Extraction column with adsorption fibers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215352120U true CN215352120U (en) | 2021-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120735708.7U Active CN215352120U (en) | 2021-04-12 | 2021-04-12 | Extraction column with adsorption fibers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215352120U (en) |
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2021
- 2021-04-12 CN CN202120735708.7U patent/CN215352120U/en active Active
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