CN110523106A - A kind of high-throughput magnetic agitation system of hollow-fibre membrane micro-extraction apparatus - Google Patents
A kind of high-throughput magnetic agitation system of hollow-fibre membrane micro-extraction apparatus Download PDFInfo
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- CN110523106A CN110523106A CN201910840151.0A CN201910840151A CN110523106A CN 110523106 A CN110523106 A CN 110523106A CN 201910840151 A CN201910840151 A CN 201910840151A CN 110523106 A CN110523106 A CN 110523106A
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- magnetic agitation
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- 238000013019 agitation Methods 0.000 title claims abstract description 37
- 238000004853 microextraction Methods 0.000 title claims abstract description 35
- 239000000835 fiber Substances 0.000 title claims abstract description 32
- 239000012528 membrane Substances 0.000 title claims abstract description 32
- 230000007704 transition Effects 0.000 claims description 11
- 239000000126 substance Substances 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000003756 stirring Methods 0.000 abstract description 19
- 238000000605 extraction Methods 0.000 abstract description 8
- 238000003760 magnetic stirring Methods 0.000 abstract description 4
- 238000012360 testing method Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012071 phase Substances 0.000 description 3
- 238000002203 pretreatment Methods 0.000 description 3
- 239000012491 analyte Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 235000013361 beverage Nutrition 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005588 protonation Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000000273 veterinary drug Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0415—Solvent extraction of solutions which are liquid in combination with membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D11/00—Solvent extraction
- B01D11/04—Solvent extraction of solutions which are liquid
- B01D11/0446—Juxtaposition of mixers-settlers
- B01D11/0457—Juxtaposition of mixers-settlers comprising rotating mechanisms, e.g. mixers, mixing pumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/45—Magnetic mixers; Mixers with magnetically driven stirrers
- B01F33/453—Magnetic mixers; Mixers with magnetically driven stirrers using supported or suspended stirring elements
- B01F33/4532—Magnetic mixers; Mixers with magnetically driven stirrers using supported or suspended stirring elements using a bearing, tube, opening or gap for internally supporting the stirring element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/23—Mixing of laboratory samples e.g. in preparation of analysing or testing properties of materials
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of high-throughput magnetic agitation systems of hollow-fibre membrane micro-extraction apparatus, including extractor body and magnetic agitation system, system setting driving shaft drives other driven shafts to rotate, finally drive turntable rotation, the power of stirring is provided, and it can according to need the stirring requirement for meeting different number sample, the magnetic agitation system can be realized the automation extracted to multiple groups sample, realize high-throughput testing goal, the efficiency of extraction can be improved, improve the degree of automation of hollow-fibre membrane micro-extraction apparatus, the stirring system is provided with a pair of magnetic body being arranged on multiple turntables and turntable simultaneously, that is, being equipped with multiple magnetic stirring apparatus, the sample in each group container can be made to stir relatively more uniform.
Description
Technical field
The present invention relates to hollow-fibre membrane micro-extraction apparatus, and in particular to a kind of high-throughput magnetic of hollow-fibre membrane micro-extraction apparatus
Power stirring system.
Background technique
Liquid-liquid-liquid microextraction technology is a kind of extraction organic trace compounds residual pretreatment technology, is to develop in recent years
The advanced remaining method of extraction organic trace compounds got up, it includes feed liquid phase (sample), organic phase, receives phase, whole
A extraction process is as follows: the analyte in feed liquid phase (sample) is extracted in organic solvent first, and is stripped into
In receptor, in different liquid phases, protonation and complexing change the chemical property of analyte, and drive its turn
It moves.This machine compound Residue analysis method can be applied to agriculture, wild animal resources, be to food, beverage, milk middle peasant,
The pioneering research of wild animal resources and important innovations.But there is operations to be difficult to control for liquid-liquid-liquid microextraction technology, small
The disadvantages of drop is easily broken up, the operating time is long, therefore Many researchers improve liquid-liquid-liquid microextraction, have investigated hollow
Tunica fibrosa micro-extraction technique.
A kind of hollow-fibre membrane micro-extraction apparatus of the patent of invention authorized and its application (application number:
2012104909781), which is that manpower operating process present in solution liquid-liquid-liquid microextraction is more, operates not
The disadvantages of easy to control, poor repeatability, provides a kind of pre-processing device of automatic operation, and using it in agriculture, residue of veterinary drug
Application in detection and analysis pre-treatment.The hollow-fibre membrane micro-extraction apparatus of the invention has disturbing factor few, flow control essence
Really, it is easy to accomplish Sample Purification on Single, enrichment the advantages that, improve pre-treatment efficiency.But hollow-fibre membrane micro-extraction apparatus once can only
Detection is extracted to three groups of samples to be tested, needs to reappose sample to be tested after the completion of detection every time, therefore efficiency is lower, and
One group of sample to be tested of hollow-fibre membrane micro-extraction apparatus is to be stirred by a magnetic stirring apparatus to provide power, one group of sample
Product include the more parts of samples for needing to stir extraction, and more remote apart from magnetic stirring apparatus center, the power stirred can be small, may go out
Now stir non-uniform phenomenon, it is therefore desirable to have a kind of high degree of automation, can simultaneously automatically realize multichannel hollow-fibre membrane
Micro-extraction apparatus work and each group sample stir more uniform high-throughput magnetic agitation system, improve the efficiency of test.
Summary of the invention
The purpose of the present invention is to solve shortcomings in the prior art, provide a kind of hollow-fibre membrane micro-extraction
The high-throughput magnetic agitation system of device, the magnetic agitation system can be realized to multiple groups sample simultaneously, synchronous extracting operation, realize
The high-throughput purpose of sample pre-treatments while guaranteeing that the stirring of each group sample is more uniform, and can be further improved extraction effect
The automatization level of rate and hollow-fibre membrane micro-extraction apparatus.
To achieve the goals above, the invention adopts the following technical scheme: a kind of high pass of hollow-fibre membrane micro-extraction apparatus
Magnetic agitation system is measured, including extractor body and magnetic agitation system, the magnetic agitation system include driving shaft, driven shaft
And magnetic stirrer, the driving shaft are driven by adjustable speed motor, the adjustable speed motor is controlled by controller, driving shaft rotation
Other axis are driven to rotate, the driving shaft includes being disposed with first bearing, the first drive sprocket, second from lower to upper actively
Sprocket wheel, second bearing and turntable, the both ends of first bearing and second bearing support driving shaft, guarantee the correct position of driving shaft,
Power is transferred to third driven sprocket by the first drive sprocket and the first driven sprocket, by the second drive sprocket by power
It is transferred to the second driven sprocket, the driven shaft includes several first driven shafts and several second driven shafts, and described first is driven
Axis include be disposed with that first driven shaft is held, the first driven sprocket, the second driven sprocket, second driven shaft are held from lower to upper and
Turntable, the second driven shaft include the driven bearing of third, third driven sprocket, the 4th driven shaft set gradually from lower to upper
It holds and turntable, the upper surface of described turntable is symmetrically arranged with magnetic substance, identical charges repel each other using magnetisable material for the principle of magnetic agitation
Characteristic pushes magnetic stirrer to rotate, by the rotation of magnetic stirrer, adds by constantly converting the polarity at both ends of pedestal
Object in fast sample to be tested is stripped to be taken into hollow-fibre membrane and be received in phase, the first bearing, second bearing, first
Driven bearing, second driven shaft are held, the driven bearing of third and the 4th driven bearing are fixed in rack, and each bearing is all provided with
The position for being capable of fixing bearing on the rack is set, the power between the driving shaft and driven shaft is transmitted by chain, chain conveyer tool
Have the advantages that simple and reliable.
Preferably, the first bearing and the second bearing and driving shaft are installed as transition fit, transition fit
It is mainly used for requiring hole between centers to have preferably to neutral and concentricity and the positioning connection that is readily disassembled, assemble, such as rolling bearing
Internal diameter couples with axis.
Match preferably, the first driven shaft holds the transition that is installed as held with the second driven shaft with first driven shaft
It closes, the driven bearing of third and the 4th driven bearing and second driven shaft are installed as transition fit.
Preferably, the driving shaft and driven shaft are multi-diameter shaft, each sprocket wheel in the magnetic agitation system passes through
The shaft shoulder does axially position, is connected by key and does circumferentially positioned, and the shaft shoulder on axis is usually used in being mounted on an axle the axially position of part,
And it is circumferentially positioned usually using key connection.
Preferably, the turntable does axially position by the shaft shoulder, it is connected by key and does circumferentially positioned, the shaft shoulder on axis is normal
For being mounted on an axle the axially position of part, and it is circumferentially positioned usually using key connection.
Preferably, one end of each sprocket wheel, each bearing and turntable in the high throughput magnetic agitation system passes through the shaft shoulder
Positioning, the other end are positioned by circlip, and circlip positioning is simple and reliable, are easily changed.
Preferably, the second driven sprocket in the first driven shaft is with the second drive sprocket on driving shaft in axial direction
The height in direction is identical, due to first driven shaft by driving shaft by chain-driving, according to chaindriven use condition, second from
Movable sprocket is identical as the height of the second drive sprocket in the axial direction.
Preferably, third driven sprocket in the second driven shaft in the axial direction with first in first driven shaft
Driven sprocket and the first drive sprocket height are identical, since second driven shaft drives rotation by first driven shaft and driving shaft, and
It needs to realize power transmitting by chain conveyer, in order to correctly install chain, third driven sprocket is driven with first in the axial direction
The first driven sprocket and the first drive sprocket height on axis is identical.
The advantageous effects that the present invention has are: a kind of high-throughput magnetic agitation system of hollow-fibre membrane micro-extraction apparatus
System, system setting driving shaft drive other driven shafts to rotate, finally drive turntable rotation, provide the power of stirring, and can
To meet the stirring requirement of different number sample as needed, which, which can be realized, extracts multiple groups sample
Automation, realize high-throughput testing goal, extraction efficiency can be improved, improve the automation journey of hollow-fibre membrane micro-extraction apparatus
Degree, while the stirring system is provided with a pair of magnetic body being arranged on multiple turntables and turntable, that is, being equipped with multiple magnetic force
Blender can be such that the sample in each group container stirs relatively more uniform.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of hollow-fibre membrane micro-extraction apparatus high throughput magnetic agitation system of the present invention.
Fig. 2 is a kind of hollow-fibre membrane micro-extraction apparatus high throughput magnetic agitation system of the present invention including driving shaft and first
The structural schematic diagram of driven shaft.
In figure: driving shaft 1, first bearing 2, the first drive sprocket 3, the second drive sprocket 4, second bearing 5, turntable 6,
One driven shaft 7, second driven shaft 8, first driven shaft hold the 9, first driven sprocket 10, the second driven sprocket 11, second driven shaft
Hold the driven bearing 13 of 12, third, third driven sprocket 14, the 4th driven bearing 15, magnetic substance 16, adjustable speed motor 17.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing, by the following description of the embodiment, will more help
In the public understanding present invention, but the specific embodiment given by applicant should can't be considered as to the technology of the present invention side
The definition of the limitation of case, any pair of component or technical characteristic be changed or to overall structure make form and immaterial transformation
It is regarded as protection scope defined by technical solution of the present invention.
As shown in FIG. 1 to FIG. 2, a kind of high-throughput magnetic agitation system of hollow-fibre membrane micro-extraction apparatus, including extractor
Body and magnetic agitation system, the magnetic agitation system include driving shaft, driven shaft and magnetic stirrer, the driving shaft by
Adjustable speed motor drives, and the adjustable speed motor is controlled by controller, and driving shaft rotation drives the rotation of other axis, the driving shaft
Including being disposed with first bearing, the first drive sprocket, the second drive sprocket, second bearing and turntable from lower to upper, first
Bearing and second bearing support driving shaft both ends, guarantee the correct position of driving shaft, by the first drive sprocket and first from
Power is transferred to third driven sprocket by movable sprocket, and power is transferred to the second driven sprocket by the second drive sprocket, described
Driven shaft includes several first driven shafts and several second driven shafts, and the first driven shaft includes being disposed with from lower to upper
First driven shaft is held, the first driven sprocket, the second driven sprocket, second driven shaft is held and turntable, and the second driven shaft includes
The driven bearing of the third set gradually from lower to upper, third driven sprocket, the 4th driven bearing and turntable, the upper surface of described turntable
It is symmetrically arranged with magnetic substance, the principle of magnetic agitation is using the magnetisable material characteristic that identical charges repel each other, by constantly converting pedestal two
The polarity at end pushes magnetic stirrer to rotate, and by the rotation of magnetic stirrer, the object accelerated in sample to be tested is anti-
It is extracted into hollow-fibre membrane and receives in phase, the first bearing, second bearing, first driven shaft are held, second driven shaft is held, the
Three driven bearings and the 4th driven bearing are fixed in rack, and each bearing is respectively provided on the rack, are capable of fixing bearing
Position, the power between the driving shaft and driven shaft are transmitted by chain, and chain conveyer has the advantages that simple and reliable；Described
One bearing and the second bearing and driving shaft are installed as transition fit, and transition fit is mainly used for that hole between centers is required to have preferably
To neutral and concentricity and the positioning connection that is readily disassembled, assemble, such as coupling for rolling bearing internal diameter and axis；Described first from
Dynamic bearing and the second driven shaft hold the transition fit that is installed as with first driven shaft, the driven bearing of the third and described
Four driven bearings and second driven shaft are installed as transition fit；The driving shaft and driven shaft are multi-diameter shaft, and the magnetic force stirs
The each sprocket wheel mixed in system does axially position by the shaft shoulder, is connected by key and does circumferentially positioned, the shaft shoulder on axis is usually used in pacifying
Mounted in the axially position of parts on shaft, and circumferentially positioned usually use is keyed；The turntable does axially position by the shaft shoulder, leads to
It crosses key connection and does circumferentially positioned, the shaft shoulder on axis is usually used in being mounted on an axle the axially position of part, and circumferentially positioned usually adopts
With key connection；One end of each sprocket wheel, each bearing and turntable in the high throughput magnetic agitation system is positioned by the shaft shoulder, another
End is positioned by circlip, and circlip positioning is simple and reliable, is easily changed；The second driven sprocket and active in the first driven shaft
The height of the second drive sprocket in the axial direction on axis is identical, since first driven shaft passes through chain-driving, root by driving shaft
According to chaindriven use condition, the second driven sprocket is identical as the height of the second drive sprocket in the axial direction；Described second from
Third driven sprocket on moving axis in the axial direction with the first driven sprocket and the first drive sprocket height in first driven shaft
It is identical, since second driven shaft drives rotation by first driven shaft and driving shaft, and need to realize power transmitting by chain conveyer,
In order to correctly install chain, third driven sprocket in the axial direction with the first driven sprocket and first in first driven shaft actively
Sprocket wheel height is identical.
A kind of high-throughput magnetic agitation system of hollow-fibre membrane micro-extraction apparatus, driving shaft is driven by adjustable speed motor to be revolved
Turn, the revolving speed of driving shaft is changed by the adjustable speed motor that controller controls, and the rotation of driving shaft is by first bearing and second
Bearing supports, and the first drive sprocket and the second drive sprocket is equipped on driving shaft, using driving shaft as origin, in the horizontal direction
Several first driven shafts are set gradually, the quantity of setting and their mutual distances are determined by the demand used, driving shaft
On the second drive sprocket the second driven sprocket for passing through the farthest first driven shaft of chain driving shaft at a distance from horizontal direction
Connection, driving shaft rotation will drive the rotation of all first driven shafts in horizontal direction, then according to first in horizontal direction
Driven shaft, each first driven shaft set gradually a number of second driven shaft along vertical direction, in all first driven shafts
First driven sprocket by the third in the second driven shaft on chain and the vertical direction farthest apart from the first driven shaft from
Movable sprocket connection, setting gradually on driving shaft vertical direction identical as the quantity being arranged on any first driven shaft vertical direction is
Second driven shaft, the first drive sprocket on driving shaft pass through the second driven shaft on vertical direction on chain and driving shaft the
Three driven sprockets are connected, and driven shaft rotation is driven when first driven shaft rotates, and electric motor starting can drive all axis to rotate, into
And all turntables are rotated, each turntable top is to place the sample for needing to stir.
In the present embodiment, a kind of high-throughput magnetic agitation system of hollow-fibre membrane micro-extraction apparatus, system setting is actively
Axis drives other driven shafts to rotate, and finally drives turntable rotation, provides the power of stirring, and it is different to can according to need satisfaction
The stirring requirement of quantity sample, the magnetic agitation system can be realized the automation extracted to multiple groups sample, realize high pass
Testing goal is measured, extraction efficiency can be improved, improves the degree of automation of hollow-fibre membrane micro-extraction apparatus, while the stirring system is set
A pair of magnetic body being arranged on multiple turntables and turntable has been set, that is, being equipped with multiple magnetic stirring apparatus, each group container can be made
In sample stirring it is relatively more uniform.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention,
Those skilled in the art can make various corresponding changes and modifications according to the present invention, but these it is corresponding change and
Deformation all should fall within the scope of protection of the appended claims of the present invention.
Claims (8)
1. a kind of high-throughput magnetic agitation system of hollow-fibre membrane micro-extraction apparatus, including extractor body and magnetic agitation system
System, which is characterized in that the magnetic agitation system includes driving shaft (1), driven shaft and magnetic stirrer, and the driving shaft is by can
Speed regulating motor (17) drives, and the adjustable speed motor is controlled by controller, and the driving shaft includes being disposed with from lower to upper
First bearing (2), the first drive sprocket (3), the second drive sprocket (4), second bearing (5) and turntable (6), the driven shaft packet
Include several first driven shafts (7) and several second driven shafts (8), the first driven shaft includes being disposed with the from lower to upper
One driven bearing (9), the first driven sprocket (10), the second driven sprocket (11), second driven shaft hold (12) and turntable, and described
Two driven shafts include the driven bearing of third (13) set gradually from lower to upper, third driven sprocket (14), the 4th driven bearing
(15) and turntable, the upper surface of described turntable are symmetrically arranged with magnetic substance (16), the first bearing, second bearing, first driven shaft
It holds, second driven shaft is held, the driven bearing of third and the 4th driven bearing are fixed in rack, the driving shaft and driven shaft
Between power pass through chain transmit.
2. a kind of high-throughput magnetic agitation system of hollow-fibre membrane micro-extraction apparatus according to claim 1, feature exist
Transition fit is installed as in, the first bearing and the second bearing and driving shaft.
3. a kind of high-throughput magnetic agitation system of hollow-fibre membrane micro-extraction apparatus according to claim 1, feature exist
Held in, the first driven shaft and hold the transition fit that is installed as with first driven shaft with the second driven shaft, the third from
Dynamic bearing and the 4th driven bearing and second driven shaft are installed as transition fit.
4. a kind of high-throughput magnetic agitation system of hollow-fibre membrane micro-extraction apparatus, feature exist according to claim 1
In, the driving shaft and driven shaft are multi-diameter shaft, and each sprocket wheel in the magnetic agitation system does axially position by the shaft shoulder,
Be connected by key do it is circumferentially positioned.
5. a kind of high-throughput magnetic agitation system of hollow-fibre membrane micro-extraction apparatus according to claim 1, feature exist
In, the turntable does axially position by the shaft shoulder, be connected by key do it is circumferentially positioned.
6. a kind of high-throughput magnetic agitation system of hollow-fibre membrane micro-extraction apparatus according to claim 1 or 4 or 5,
It is characterized in that, one end of each sprocket wheel, each bearing and turntable in the high throughput magnetic agitation system is positioned by the shaft shoulder, separately
One end is positioned by circlip.
7. a kind of high-throughput magnetic agitation system of hollow-fibre membrane micro-extraction apparatus according to claim 1, feature exist
In height phase of second driven sprocket with the second drive sprocket on driving shaft in the axial direction in the first driven shaft
Together.
8. a kind of high-throughput magnetic agitation system of hollow-fibre membrane micro-extraction apparatus according to claim 1, feature exist
In, third driven sprocket in the second driven shaft in the axial direction with the first driven sprocket or first in first driven shaft
Drive sprocket height is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840151.0A CN110523106A (en) | 2019-09-06 | 2019-09-06 | A kind of high-throughput magnetic agitation system of hollow-fibre membrane micro-extraction apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840151.0A CN110523106A (en) | 2019-09-06 | 2019-09-06 | A kind of high-throughput magnetic agitation system of hollow-fibre membrane micro-extraction apparatus |
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| CN110523106A true CN110523106A (en) | 2019-12-03 |
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|---|---|---|---|
| CN201910840151.0A Pending CN110523106A (en) | 2019-09-06 | 2019-09-06 | A kind of high-throughput magnetic agitation system of hollow-fibre membrane micro-extraction apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110935194A (en) * | 2019-12-12 | 2020-03-31 | 中国计量大学 | Micro-extraction system of hollow fiber membrane |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205055921U (en) * | 2015-07-21 | 2016-03-02 | 天津市欧诺仪器仪表有限公司 | Ultralow fast magnetic stirrers of four -head |
| CN211273640U (en) * | 2019-09-06 | 2020-08-18 | 中国计量大学 | High-flux magnetic stirring system of hollow fiber membrane micro-extractor |
-
2019
- 2019-09-06 CN CN201910840151.0A patent/CN110523106A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205055921U (en) * | 2015-07-21 | 2016-03-02 | 天津市欧诺仪器仪表有限公司 | Ultralow fast magnetic stirrers of four -head |
| CN211273640U (en) * | 2019-09-06 | 2020-08-18 | 中国计量大学 | High-flux magnetic stirring system of hollow fiber membrane micro-extractor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110935194A (en) * | 2019-12-12 | 2020-03-31 | 中国计量大学 | Micro-extraction system of hollow fiber membrane |
| CN110935194B (en) * | 2019-12-12 | 2021-08-06 | 中国计量大学 | Micro-extraction system of hollow fiber membrane |
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