CN213994918U - Automatic solid phase extraction device of aquatic nitrobenzene - Google Patents
Automatic solid phase extraction device of aquatic nitrobenzene Download PDFInfo
- Publication number
- CN213994918U CN213994918U CN202021970727.XU CN202021970727U CN213994918U CN 213994918 U CN213994918 U CN 213994918U CN 202021970727 U CN202021970727 U CN 202021970727U CN 213994918 U CN213994918 U CN 213994918U
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- extraction
- installation table
- fixedly connected
- pipe
- nitrobenzene
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- LQNUZADURLCDLV-UHFFFAOYSA-N nitrobenzene Chemical compound [O-][N+](=O)C1=CC=CC=C1 LQNUZADURLCDLV-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 238000002414 normal-phase solid-phase extraction Methods 0.000 title claims abstract description 30
- 238000000605 extraction Methods 0.000 claims abstract description 100
- 239000007788 liquid Substances 0.000 claims abstract description 64
- 238000009434 installation Methods 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000000284 extract Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 5
- 238000005406 washing Methods 0.000 abstract 1
- 239000000523 sample Substances 0.000 description 12
- 230000006872 improvement Effects 0.000 description 6
- 239000000243 solution Substances 0.000 description 4
- 238000000622 liquid--liquid extraction Methods 0.000 description 3
- 238000000638 solvent extraction Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000002290 gas chromatography-mass spectrometry Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000002470 solid-phase micro-extraction Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005251 capillar electrophoresis Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical class C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 description 1
- 238000000835 electrochemical detection Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004128 high performance liquid chromatography Methods 0.000 description 1
- 238000001334 liquid-phase micro-extraction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000012488 sample solution Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The utility model relates to an automatic solid phase extraction device of aquatic nitrobenzene. The device includes the installation table, be equipped with the mounting hole on the installation table, it is equipped with the carousel to rotate in the mounting hole, be equipped with first actuating mechanism on the installation table, be equipped with weeping hole and collecting vessel on the carousel, the downside of installation table is equipped with receives the liquid case, it is equipped with the extraction post to rotate on the installation table, the axis of extraction post and the axis collineation of one of them collecting vessel, the lower extreme of extraction post is equipped with the stop valve, fixedly connected with second actuating mechanism on the installation table, fixedly connected with extraction liquid case and sample liquid case on the installation table, be connected with the feed liquor pipe on the sample liquid case, be equipped with the hydrojet subassembly on the installation table, the hydrojet subassembly includes looped pipe and connecting pipe, be equipped with the jet orifice on the looped pipe, the connecting pipe passes through the intermediate pipe intercommunication with the extraction liquid case, be equipped with the booster pump on the intermediate pipe, be equipped with third actuating mechanism on the installation table. Compared with the prior art, the utility model discloses it is more thorough to extract post inner wall impurity washing, and the extraction effect is better.
Description
Technical Field
The utility model belongs to the technical field of the extraction device, especially, relate to an automatic solid phase extraction device of aquatic nitrobenzene.
Background
Nitrobenzene is an important intermediate in the chemical industry, which is required in particular for the preparation of aniline and thus of di-and polyisocyanates of the diphenylmethane series and polyurethanes based thereon. Nitrobenzene has been blacklisted in our country as an environmental priority contaminant. Therefore, the detection of the nitrobenzene content is extremely important.
At present, the pretreatment methods of environmental samples mainly comprise liquid-liquid extraction (LLE), solid-phase extraction (SPE), solid-phase microextraction (SPME) and dispersed liquid-phase microextraction (DLLME), and then high performance liquid chromatography separation and ultraviolet detector detection are carried out, and gas chromatography/mass spectrometry (GC-MS) or capillary electrophoresis/electrochemical detection (CE-ED) is also used. Compared with liquid-liquid extraction, the solid-phase extraction uses a small amount of organic solvent and has good selectivity, and is the most common pretreatment method at present. However, in the use process of the existing solid phase extraction equipment, impurities on the inner wall of the extraction column are not thoroughly cleaned, and the extraction effect is poor.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides an automatic solid phase extraction device of aquatic nitrobenzene to the extraction equipment who solves among the prior art washs extraction post inner wall impurity not thoroughly, extracts the relatively poor technical problem of effect.
The utility model discloses an automatic solid phase extraction device of aquatic nitrobenzene's technical scheme is:
the utility model provides an automatic solid phase extraction device of aquatic nitrobenzene, includes the installation table, be equipped with the mounting hole on the installation table, it is equipped with the carousel to rotate through the bearing in the mounting hole, be equipped with on the installation table and be used for the drive carousel pivoted first actuating mechanism, be equipped with on the carousel along the weeping hole and the surge drum of carousel circumference cross arrangement, the downside of installation table is equipped with and is located the liquid case is received to the carousel downside, rotate through the mount on the installation table and be equipped with the extraction post, the axis of extraction post and the axis collineation of one of them surge drum, the lower extreme of extraction post is equipped with the stop valve, fixedly connected with is used for driving on the installation table extraction post pivoted second actuating mechanism, fixedly connected with is located on the installation table extraction liquid case and the sample liquid case of extraction post upside, be connected with on the sample liquid case to the feed liquor pipe of feed liquor in the extraction post, the installation bench is equipped with the hydrojet pipe subassembly, the hydrojet pipe subassembly include with the coaxial ring pipe of extraction post and with the connecting pipe of ring pipe intercommunication, be equipped with the jet orifice on the ring pipe, the connecting pipe with the extraction liquid case passes through the intervalve intercommunication, be equipped with the booster pump on the intervalve, the installation bench is equipped with the drive hydrojet pipe subassembly axial business turn over the inside third actuating mechanism of extraction post.
As a further improvement to the above technical solution, the installation table is fixedly connected with a first fixing base, the first driving mechanism includes a first driving motor fixedly connected to the first fixing base, a first driving gear is disposed at an end of an output shaft of the first driving motor, and a first driven gear engaged with the first driving gear is fixedly connected to an outer peripheral surface of the turntable.
As a further improvement to above-mentioned technical scheme, the mount includes riser and fixed connection and is in last horizontal plate and the horizontal plate down on the riser, the extraction post rotates the assembly and is in on the horizontal plate down, fixedly connected with second fixing base on the horizontal plate down, second actuating mechanism includes fixed connection and is in second driving motor on the second fixing base, second driving motor's output shaft tip is equipped with the second driving gear, fixedly connected with on the outer peripheral face of extraction post with second driven gear of second driving gear meshing.
As a further improvement to the above technical solution, the extraction solution tank and the sample solution tank are fixedly connected to the upper horizontal plate, the horizontal plate is fixedly connected to a third fixing seat, the third driving mechanism includes a telescopic cylinder fixedly connected to the third fixing seat, and a telescopic end of the telescopic cylinder is fixedly connected to the connecting pipe through a connecting plate.
As a further improvement to the above technical solution, the injection holes have a plurality of which are arranged on the outer wall surface of the annular pipe at intervals along the circumferential direction of the annular pipe.
As a further improvement on the technical scheme, the upper end of the extraction column is provided with a flaring structure, and the liquid inlet pipe extends into the flaring structure.
As a further improvement to the technical scheme, the rotary disc is provided with slots for the collection cylinders to be inserted correspondingly one by one.
The utility model provides an automatic solid phase extraction device of aquatic nitrobenzene compares in prior art, and its beneficial effect lies in:
the utility model discloses an automatic solid phase extraction device of aquatic nitrobenzene rotates when using, first actuating mechanism drive carousel, makes the extraction post be located directly over the weeping hole. The piston rod of the telescopic cylinder stretches out to drive the injection pipe assembly to enter the extraction column, the booster pump is started, the booster pump pumps the extraction liquid in the extraction liquid box to the annular pipe and sprays out from the injection hole to clean impurities on the inner wall of the extraction column, the impurities on the inner wall of the extraction column are removed, and the extraction liquid mixed with the impurities on the inner wall of the extraction column leaks into the liquid receiving box through the liquid leakage hole. And closing the stop valve, enabling the sample liquid to enter the extraction column through the liquid inlet pipe, driving the extraction column to rotate by the second driving mechanism, enabling the components to be extracted in the sample liquid to be adsorbed on the inner wall of the extraction column, opening the stop valve after the adsorption is completed, and enabling the liquid in the extraction column to leak into the liquid collection box. And closing the stop valve, putting the extraction liquid into the extraction column through the injection pipe assembly, desorbing the substances adsorbed on the inner wall of the extraction column, and driving the rotary disc to rotate by the first driving device so that the extraction column is positioned right above the collecting cylinder. And opening the stop valve, and enabling the mixture of the extraction liquid and the component to be extracted to enter the collecting cylinder. Compared with the prior art, the utility model discloses an automatic solid phase extraction device of aquatic nitrobenzene washs extraction post inner wall impurity more thoroughly, and the extraction effect is better.
The utility model discloses an among the automatic solid phase extraction device of aquatic nitrobenzene, first actuating mechanism, second actuating mechanism and third actuating mechanism's structure is simpler, and it is more convenient to set up.
The utility model discloses an among the automatic solid phase extraction device of aquatic nitrobenzene, through setting up flaring structure at extraction post upside, help sample liquid to enter into to the extraction post in, it is more convenient to use.
Drawings
FIG. 1 is a first schematic structural diagram of an automatic solid-phase extraction device for nitrobenzene in water according to the present invention;
FIG. 2 is a schematic structural diagram II of the automatic solid-phase extraction device for nitrobenzene in water according to the present invention;
FIG. 3 is a third schematic structural view of the device for automatic solid-phase extraction of nitrobenzene in water according to the present invention;
FIG. 4 is an enlarged view at A of FIG. 1;
FIG. 5 is an enlarged view at B in FIG. 2;
in the figure: 1. a table plate; 2. desk legs; 3. installing a table; 4. a liquid collection box; 5. a turntable; 6. a weep hole; 7. a collection canister; 8. a first fixed seat; 9. a first drive motor; 10. a first drive gear; 11. a first driven gear; 12. a vertical plate; 13. an upper horizontal plate; 14. a lower horizontal plate; 15. a fixed mount; 16. a second fixed seat; 17. a second drive motor; 18. a second driving gear; 19. a second driven gear; 20. an extraction column; 21. an extraction liquid tank; 22. a sample fluid tank; 23. a booster pump; 24. an annular tube; 25. a connecting pipe; 26. a flaring structure; 27. an intermediate pipe; 28. a liquid inlet pipe; 29. a third fixed seat; 30. a telescopic cylinder; 31. a connecting plate.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
The utility model discloses an automatic solid phase extraction device of aquatic nitrobenzene's concrete embodiment, as shown in fig. 1 to 5, including installation table 3, installation table 3 includes table 1 and fixes table leg 2 in table 1 downside four corners department. A circular mounting hole is formed in the table board 1, and the axis of the mounting hole extends in the direction perpendicular to the table board 1. The mounting hole is internally provided with a rotary table 5 through a bearing in a rotating way, and the upper end surface and the lower end surface of the rotary table 5 extend out of the upper side and the lower side of the bearing.
In this embodiment, the first actuating mechanism of fixedly connected with on the table 1, it is concrete, the first fixing base 8 of fixedly connected with on the table 1, first fixing base 8 is the fixed plate of L shape, and the vertical limit of fixed plate passes through bolt and table 1 fixed connection. The perforation has been seted up to the horizontal edge of fixed plate, and first actuating mechanism includes first driving motor 9, and first driving motor 9 is fixed on the horizontal plate of first fixing base 8, and the output shaft of first driving motor 9 wears out to the fixed plate downside. The end of the output shaft of the first driving motor 9 is fixedly connected with a first driving gear 10, the outer peripheral surface of the upper end of the rotating disc 5 is fixedly connected with a first driven gear 11, and the first driving gear 10 is meshed with the first driven gear 11. When the rotary table is used, the first driving motor 9 rotates, and the rotary table 5 is driven to rotate through the first driving gear 10 and the first driven gear 11.
In this embodiment, the turntable 5 is provided with two slots and two liquid leakage holes 6, which penetrate through the upper end surface and the lower end surface of the turntable 5 and are arranged along the circumferential direction of the turntable 5 at intervals in a crossed manner, preferably, the two slots and the two liquid leakage holes 6 are arranged in a crossed manner. The collecting cylinder 7 is inserted in each slot, and the upper end of the collecting cylinder 7 is provided with a blocking edge blocked with the slot.
In this embodiment, the one end that first fixing base 8 was kept away from to table 1 passes through bolt fixedly connected with mount 15, and mount 15 includes riser 12, upper horizontal plate 13 and lower horizontal plate 14, and upper horizontal plate 13 fixed connection just extends to first fixing base 8 level in the upper end of riser 12, and lower horizontal plate 14 fixed connection is in riser 12 one side towards first fixing base 8. Be connected with first enhancement version between riser 12 and the table 1, first enhancement version slope is arranged, is connected with the second reinforcing plate between riser 12 and the lower horizontal plate 14, is connected with the third reinforcing plate between riser 12 and the last horizontal plate 13.
In this embodiment, the lower horizontal plate 14 is provided with a through hole penetrating through the upper and lower end faces of the lower horizontal plate 14, and the axis of the through hole coincides with the axis of one of the weep holes 6, so that when the rotary table 5 rotates, each of the collecting cylinders 7 and the weep holes 6 on the rotary table 5 can be located right below the through hole. Install extraction post 20 through the bearing in the perforation, the upper end of extraction post 20 is connected with tubaeform flaring structure 26, and the lower extreme of extraction post 20 is the throat structure, and the lower extreme of extraction post 20 installs the stop valve that is used for controlling whether the lower extreme of extraction post 20 leaks. And a second driving mechanism for driving the extraction column 20 to rotate is fixedly connected to the lower horizontal plate 14, and the second driving mechanism comprises a second driving motor 17. Fixedly connected with second fixing base 16 on the lower horizontal plate 14, second fixing base 16 is the fixed plate of L shape, and the vertical section of fixed plate passes through bolt fixed connection with lower horizontal plate 14. A through hole is formed in the horizontal section of the fixing plate, the second driving motor 17 is fixed to the horizontal section of the fixing plate, and an output shaft of the second driving motor 17 penetrates downwards to the lower side of the second fixing seat 16. The end of the output shaft of the second driving motor 17 is fixedly connected with a second driving gear 18, the outer wall surface of the extraction column 20 is fixedly connected with a second driven gear 19, and the second driving gear 18 is meshed with the second driven gear 19. During operation, the second driving motor 17 rotates, and the second driving motor 17 drives the extraction column 20 to rotate through the second driving gear 18 and the second driven gear 19.
In this embodiment, the upper horizontal plate 13 is fixedly connected with an extraction liquid tank 21 and a sample liquid tank 22, the upper end of the extraction liquid tank 21 is fixedly connected with a booster pump 23, the liquid inlet end of the booster pump 23 is communicated with the extraction liquid tank 21 through an intermediate pipe 27, and the liquid outlet end of the booster pump 23 is connected with a liquid spraying pipe assembly through the intermediate pipe 27. The spray tube assembly includes an annular tube 24 and a connecting tube 25 communicating with the annular tube 24, the connecting tube 25 being connected with an intermediate tube 27. The middle pipe 27 is a hose, the outer wall surface of the annular pipe 24 is provided with a plurality of injection holes communicated with the inside of the annular pipe 24, and the plurality of injection holes are uniformly arranged at intervals along the circumferential direction of the annular pipe 24. The outer diameter of the annular pipe 24 is smaller than the inner diameter of the extraction column 20, and the annular pipe 24 is located on the upper side of the extraction column 20 and is coaxially arranged with the extraction column 20, so that the annular pipe 24 can enter the inside of the extraction column 20.
In this embodiment, a third driving mechanism is fixedly connected to the upper horizontal plate 13, and the third driving mechanism is used for driving the injection tube assembly to move axially along the extraction column 20. Preferably, the upper horizontal plate 13 is fixedly connected with a third fixing seat 29, and the third fixing seat 29 is an L-shaped fixing plate. The vertical section of the fixing plate is fixedly connected with the upper horizontal plate 13 through bolts, and the horizontal section of the fixing plate is provided with through holes. The third driving mechanism comprises a telescopic cylinder 30, a cylinder body of the telescopic cylinder 30 is fixedly connected to the fixing plate, and a piston rod of the telescopic cylinder 30 extends out to the lower side of the fixing plate. The end of the piston rod is fixedly connected with a connecting plate 31, and the connecting plate 31 is fixedly connected with the connecting pipe 25. When the telescopic injection tube assembly works, the telescopic cylinder 30 drives the injection tube assembly to move up and down through the extension and contraction of the piston rod. The sample liquid tank 22 is connected to a liquid inlet pipe 28, and the lower end of the liquid inlet pipe 28 extends into the flared structure 26 for introducing sample liquid into the extraction column 20.
The utility model discloses an automatic fixed extraction device of aquatic nitrobenzene's theory of operation does: during the use, first driving motor 9 passes through first driving gear 10, first driven gear 11 drive carousel 5 and rotates, makes extraction post 20 be located weeping hole 6 directly over. The piston rod of the telescopic cylinder 30 extends out to drive the injection pipe assembly to enter the extraction column 20, the booster pump 23 is started, the booster pump 23 pumps the extraction liquid in the extraction liquid tank 21 into the annular pipe 24 and sprays out from the injection hole to clean impurities on the inner wall of the extraction column 20, the impurities on the inner wall of the extraction column 20 are removed, and the extraction liquid mixed with the impurities on the inner wall of the extraction column 20 leaks into the liquid receiving tank 4 through the liquid leakage hole 6. The stop valve is closed, the sample liquid enters the extraction column 20 through the liquid inlet pipe 28, the second driving motor 17 drives the extraction column 20 to rotate through the second driving gear 18 and the second driven gear 19, so that the component to be extracted in the sample liquid is adsorbed on the inner wall of the extraction column 20, after the adsorption is completed, the stop valve is opened, and the liquid in the extraction column 20 leaks into the liquid receiving box 4. And closing the stop valve, opening the booster pump 23, putting the extract liquid into the extraction column 20 through the injection pipe assembly, desorbing the substances adsorbed on the inner wall of the extraction column 20, and driving the rotary disc 5 to rotate by the first drive so that the extraction column 20 is positioned right above the collecting cylinder 7. The stop valve is opened and the mixture of extraction liquid and component to be extracted enters the collecting cylinder 7.
The utility model provides an automatic extraction device that fixes of aquatic nitrobenzene compares in prior art, has following advantage:
the utility model discloses an automatic solid phase extraction device of aquatic nitrobenzene washs extraction column 20 inner wall impurity more thoroughly, and the extraction effect is better.
The utility model discloses an among the automatic solid phase extraction device of aquatic nitrobenzene, first actuating mechanism, second actuating mechanism and third actuating mechanism's structure is simpler, and it is more convenient to set up.
The utility model discloses an among the automatic solid phase extraction device of aquatic nitrobenzene, through setting up flaring structure at extraction post upside, help sample liquid to enter into to the extraction post in, it is more convenient to use.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides an automatic solid-phase extraction device of aquatic nitrobenzene which characterized in that: comprises an installation table, the installation table is provided with an installation hole, the installation hole is internally provided with a turntable through a bearing in a rotating way, the installation table is provided with a first driving mechanism for driving the turntable to rotate, the turntable is provided with a weep hole and a collecting barrel which are arranged along the circumferential direction of the turntable in a crossed way, the lower side of the installation table is provided with a liquid collecting box positioned at the lower side of the turntable, the installation table is provided with an extraction column through a fixing frame in a rotating way, the axis of the extraction column is collinear with the axis of one of the collecting barrels, the lower end of the extraction column is provided with a stop valve, the installation table is fixedly connected with a second driving mechanism for driving the extraction column to rotate, the installation table is fixedly connected with an extraction liquid box and a sample liquid box which are positioned at the upper side of the extraction column, the sample liquid box is connected with a liquid inlet pipe which is used for feeding liquid into the extraction column, the installation table is provided with a liquid spraying pipe assembly, the hydrojet subassembly include with the coaxial ring pipe of extraction post and with the connecting pipe of ring pipe intercommunication, be equipped with the jet orifice on the ring pipe, the connecting pipe with the extraction liquid case passes through the intervalve intercommunication, be equipped with the booster pump on the intervalve, be equipped with the drive on the installation table hydrojet subassembly axial business turn over the inside third actuating mechanism of extraction post.
2. The automatic solid phase extraction device of nitrobenzene in water of claim 1, wherein: the installation table is fixedly connected with a first fixing seat, the first driving mechanism comprises a first driving motor fixedly connected to the first fixing seat, a first driving gear is arranged at the end of an output shaft of the first driving motor, and a first driven gear meshed with the first driving gear is fixedly connected to the outer peripheral face of the rotary table.
3. The automatic solid phase extraction device of nitrobenzene in water of claim 1, wherein: the mount includes riser and fixed connection and is in last horizontal plate and lower horizontal plate of riser, the extraction post rotates the assembly and is in on the lower horizontal plate, fixedly connected with second fixing base on the lower horizontal plate, second actuating mechanism includes fixed connection and is in second driving motor on the second fixing base, second driving motor's output shaft tip is equipped with the second driving gear, on the outer peripheral face of extraction post fixedly connected with second driven gear of second driving gear meshing.
4. The automatic solid phase extraction device of nitrobenzene in water of claim 3, wherein: extract liquid case and sample liquid case fixed connection be in on the horizontal plate, fixedly connected with third fixing base on the horizontal plate, third actuating mechanism includes fixed connection and is in telescoping cylinder on the third fixing base, the flexible end of telescoping cylinder pass through the connecting plate with connecting pipe fixed connection.
5. The automatic solid phase extraction device of nitrobenzene in water of claim 1, wherein: the injection holes are provided with a plurality of injection holes, and the injection holes are arranged on the outer wall surface of the annular pipe at intervals along the circumferential direction of the annular pipe.
6. The automatic solid phase extraction device of nitrobenzene in water of claim 1, wherein: the upper end of the extraction column is provided with a flaring structure, and the liquid inlet pipe extends to the inside of the flaring structure.
7. The automatic solid phase extraction device of nitrobenzene in water of claim 1, wherein: the rotary disc is provided with slots for the collection cylinders to be inserted in a one-to-one corresponding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021970727.XU CN213994918U (en) | 2020-09-10 | 2020-09-10 | Automatic solid phase extraction device of aquatic nitrobenzene |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021970727.XU CN213994918U (en) | 2020-09-10 | 2020-09-10 | Automatic solid phase extraction device of aquatic nitrobenzene |
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| Publication Number | Publication Date |
|---|---|
| CN213994918U true CN213994918U (en) | 2021-08-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021970727.XU Expired - Fee Related CN213994918U (en) | 2020-09-10 | 2020-09-10 | Automatic solid phase extraction device of aquatic nitrobenzene |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116672760A (en) * | 2023-08-03 | 2023-09-01 | 成都百泉生物医药科技有限公司 | Solid phase extraction instrument |
-
2020
- 2020-09-10 CN CN202021970727.XU patent/CN213994918U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116672760A (en) * | 2023-08-03 | 2023-09-01 | 成都百泉生物医药科技有限公司 | Solid phase extraction instrument |
| CN116672760B (en) * | 2023-08-03 | 2023-10-20 | 成都百泉生物医药科技有限公司 | Solid phase extraction instrument |
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