CN115069026A - Different particle size separator of nano-material - Google Patents
Different particle size separator of nano-material Download PDFInfo
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- CN115069026A CN115069026A CN202110267071.8A CN202110267071A CN115069026A CN 115069026 A CN115069026 A CN 115069026A CN 202110267071 A CN202110267071 A CN 202110267071A CN 115069026 A CN115069026 A CN 115069026A
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- 239000002245 particle Substances 0.000 title claims abstract description 35
- 239000002086 nanomaterial Substances 0.000 title claims abstract description 33
- 239000007788 liquid Substances 0.000 claims abstract description 252
- 238000000926 separation method Methods 0.000 claims abstract description 95
- 239000002105 nanoparticle Substances 0.000 claims abstract description 37
- 239000008367 deionised water Substances 0.000 claims abstract description 16
- 229910021641 deionized water Inorganic materials 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 230000003139 buffering effect Effects 0.000 claims abstract description 4
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 230000001276 controlling effect Effects 0.000 claims description 6
- 230000003750 conditioning effect Effects 0.000 claims description 5
- 230000005684 electric field Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 abstract description 6
- 230000000712 assembly Effects 0.000 abstract description 3
- 238000000429 assembly Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 15
- 238000000608 laser ablation Methods 0.000 description 4
- 239000007791 liquid phase Substances 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 238000000053 physical method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000007853 buffer solution Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
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- 239000012071 phase Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000013341 scale-up Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000013077 target material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D43/00—Separating particles from liquids, or liquids from solids, otherwise than by sedimentation or filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C11/00—Separation by high-voltage electrical fields, not provided for in other groups of this subclass
Abstract
The invention discloses a device for separating nano materials with different particle diameters, belongs to the technical field of nano material preparation, and can solve the problems that the existing nano particle separation method is complex and various and has no unified standard. The device comprises: the separation cavity combination and the liquid inlet end and the liquid outlet end are communicated with the separation cavity combination; the liquid inlet end is used for conveying the nano particle solution to be separated and the deionized water to the separation cavity in a combined manner; the liquid outlet end is used for collecting the separated nano particle solutions with different particle diameters; the separation cavity combination comprises a plurality of separation cavities, at least one separation assembly is arranged in each separation cavity, and the separation assemblies are used for buffering pressure differences caused by inflow/outflow solutions with different flow rates so as to separate nano particles with different particle sizes. The invention is used for separating nano particles with different particle sizes.
Description
Technical Field
The invention relates to a device for separating nano materials with different particle sizes, and belongs to the technical field of nano material preparation.
Background
The application of the nano material is very wide, and the market scale of China is continuously enlarged. Predicted by Mordor Intelligence: in 2020 + 2025, China will become one of the most rapidly developing countries of the nano material industry. The preparation of nanomaterials and nanostructures is a core problem of nano-scientific and technical research. The conventional methods for preparing nanoparticles can be classified into chemical methods, gas-phase methods, and liquid-phase methods, and physical methods, such as pulverization methods and construction methods. The chemical method has the characteristics of easy pollution, low yield, higher temperature requirement and stricter gas requirement; the physical method has the characteristics of high technical equipment requirement, low product purity and uneven particle size distribution. The liquid phase laser ablation method for preparing nano materials is concerned by many scholars as a green, low-cost and convenient-to-operate method. The method mainly utilizes the interaction of laser, solution and medium to generate a local high-temperature high-pressure non-equilibrium process, and can efficiently and quickly synthesize various novel nano materials through the processes of reflux energy aggregation and differentiation.
The scale and customized preparation of the nano material prepared by the liquid phase laser ablation method is a key technical problem to be solved in the field all the time. At present, the development of the technology in the industrial field is seriously hindered by the problem of low yield. In addition, the particle size and shape of the prepared nano material are not controllable, and the performance of the nano material is directly influenced by poor uniformity. For example, the size of the magnetic nanomaterial can have a great influence on various physical parameters of the magnetic nanomaterial, such as curie temperature, coercive force, saturation magnetization and the like, and further influence the magnetization behavior of the magnetic nanomaterial. Therefore, the realization of the customization and scale-up preparation of nano materials will be a significant goal of the future development of the field.
The research shows that: the size and shape of the target material, the laser power, the wavelength and the pulse width, the type and the concentration of the buffer solution, the flow speed of the buffer solution, the synthesis mechanism of the nano material under different conditions and the like all influence the yield, the particle size and the shape of the nano material. At present, the common chemical and physical methods for preparing the nano material are complex and various, have no fixed and unified preparation mode and standard, and the separation mode of the nano particles is not mature enough, which brings difficulty for preparing the nano material in a large scale by laser ablation.
Disclosure of Invention
The invention provides a device for separating nano materials with different particle diameters, which can solve the problems that the existing method for separating nano particles is complex and various and has no unified standard.
The invention provides a device for separating nano materials with different particle sizes, which comprises: the separation cavity assembly is communicated with the liquid inlet end and the liquid outlet end of the separation cavity assembly; the liquid inlet end is used for conveying the nano particle solution to be separated and the deionized water to the separation cavity in a combined manner; the liquid outlet end is used for collecting the separated nano particle solutions with different particle diameters; the separation cavity combination comprises a plurality of separation cavities, wherein at least one separation assembly is arranged in each separation cavity and used for buffering pressure difference caused by inflow/outflow solutions with different flow rates so as to separate nano particles with different particle sizes.
Optionally, an external field is applied to each separation cavity; the external field is used for assisting in separating the nanoparticle solution to be separated.
Optionally, the external field includes any one or any several of an electric field, a magnetic field, an optical field, an acoustic field, and a gravitational field.
Optionally, the separation cavity assembly includes a first separation cavity, a second separation cavity, a third separation cavity, a first relay bottle and a second relay bottle; the first separation cavity comprises a first liquid inlet, a second liquid inlet, a first liquid outlet and a second liquid outlet; the second separation cavity comprises a third liquid inlet, a fourth liquid inlet, a third liquid outlet and a fourth liquid outlet; the third separation cavity comprises a fifth liquid inlet, a sixth liquid inlet, a fifth liquid outlet and a sixth liquid outlet; the liquid inlet end comprises a first liquid inlet pipeline, a second liquid inlet pipeline, a third liquid inlet pipeline and a fourth liquid inlet pipeline; the first liquid inlet pipeline is communicated with the first liquid inlet and is used for conveying the nano particle solution to be separated to the first separation cavity; the second liquid inlet pipeline is communicated with the second liquid inlet and is used for conveying the deionized water to the first separation cavity; the third liquid inlet pipeline is communicated with the fourth liquid inlet and is used for conveying the deionized water to the second separation cavity; the fourth liquid inlet pipeline is communicated with the sixth liquid inlet and is used for conveying the deionized water to the third separation cavity; the first liquid outlet is communicated with the first relay bottle through a first liquid outlet pipeline; the first relay bottle is communicated with the third liquid inlet through a fifth liquid inlet pipeline; the second liquid outlet is communicated with the second relay bottle through a second liquid outlet pipeline; the second relay bottle is communicated with the fifth liquid inlet through a sixth liquid inlet pipeline; the liquid outlet end comprises a third liquid outlet pipeline, a fourth liquid outlet pipeline, a fifth liquid outlet pipeline, a sixth liquid outlet pipeline, a first collecting bottle, a second collecting bottle, a third collecting bottle and a fourth collecting bottle; the third liquid outlet is communicated with the first collecting bottle through the third liquid outlet pipeline; the fourth liquid outlet is communicated with the second collecting bottle through the fourth liquid outlet pipeline; the fifth liquid outlet is communicated with the third collecting bottle through the fifth liquid outlet pipeline; the sixth liquid outlet is communicated with the fourth collecting bottle through the sixth liquid outlet pipeline; the separation assembly is arranged between the first liquid inlet and the second liquid inlet, between the first liquid outlet and the second liquid outlet, between the third liquid inlet and the fourth liquid inlet, between the third liquid outlet and the fourth liquid outlet, between the fifth liquid inlet and the sixth liquid inlet, and between the fifth liquid outlet and the sixth liquid outlet.
Optionally, the separation assembly is a perforated partition plate.
Optionally, first inlet channel the second inlet channel third inlet channel fourth inlet channel fifth inlet channel sixth inlet channel first liquid outlet channel the second liquid outlet channel the third liquid outlet channel the fourth liquid outlet channel fifth liquid outlet channel sixth liquid outlet channel is last all to be provided with the regulating pump, the regulating pump is used for adjusting the pressure and the velocity of flow that flow in/flow out the solution.
Optionally, the conditioning pump is a hydraulic rate pump.
Optionally, the apparatus further comprises a control module for controlling the output of each of the regulating pumps.
The invention can produce the beneficial effects that:
the device for separating the nano-materials with different particle diameters can continuously separate a large amount of nano-particle mixed solution with large particle diameter difference, and creatively provides a brand-new, simple, convenient, rapid and universal method for continuously separating and screening nano-particles in large batch. The nano material with a specific structure prepared by the device can be used in the fields of optics, magnetism, energy, environment, biomedicine and the like.
Drawings
Fig. 1 is a schematic structural diagram of a separation device for different particle sizes of nanomaterials provided by an embodiment of the invention.
List of parts and reference numerals:
11. a first separation chamber; 12. a second separation chamber; 13. a third separation chamber; 14. a first relay bottle; 15. a second relay bottle; 16. a first liquid inlet pipe; 17. a second liquid inlet pipe; 18. a third liquid inlet pipeline; 19. a fourth liquid inlet pipeline; 20. a fifth liquid inlet pipeline; 21. a sixth liquid inlet pipeline; 22. a first liquid outlet pipe; 23. a second liquid outlet pipeline; 24. a third liquid outlet pipeline; 25. a fourth liquid outlet pipeline; 26. a fifth liquid outlet pipeline; 27. a sixth liquid outlet pipeline; 28. a separation assembly; 29. adjusting the pump; 30. a first collection bottle; 31. a second collection bottle; 32. a third collection bottle; 33. and a fourth collection bottle.
Detailed Description
The present invention will be described in detail with reference to examples, but the present invention is not limited to these examples.
The embodiment of the invention provides a device for separating nano materials with different particle sizes, as shown in fig. 1, the device comprises: the separation cavity combination and the liquid inlet end and the liquid outlet end are communicated with the separation cavity combination; the liquid inlet end is used for conveying the nano particle solution to be separated and the deionized water to the separation cavity in a combined manner; the liquid outlet end is used for collecting the separated nano particle solutions with different particle diameters; the separation cavity combination comprises a plurality of separation cavities, each separation cavity is provided with at least one separation assembly 28, and the separation assemblies 28 are used for buffering pressure differences caused by inflow/outflow solutions with different flow rates so as to separate nano particles with different particle sizes.
The specific structure of the separation assembly 28 in the embodiment of the present invention is not limited, as long as the separation assembly can separate nanoparticles with different particle diameters, and in practical applications, the separation assembly 28 may be a perforated partition plate.
In the embodiment of the invention, an external field is applied to each separation cavity; the external field is used for assisting in separating the nanoparticle solution to be separated.
The external field may include any one or any several of an electric field, a magnetic field, an optical field, an acoustic field, and a gravitational field, which are not limited in this embodiment of the present invention. In practical application, the separation of the nanoparticles with different particle sizes can be assisted by regulating and controlling the sizes of different external fields.
Referring to fig. 1, the separation chamber combination comprises a first separation chamber 11, a second separation chamber 12, a third separation chamber 13, a first relay bottle 14 and a second relay bottle 15; the first separation cavity 11 comprises a first liquid inlet, a second liquid inlet, a first liquid outlet and a second liquid outlet; the second separation cavity 12 comprises a third liquid inlet, a fourth liquid inlet, a third liquid outlet and a fourth liquid outlet; the third separation cavity 13 includes a fifth liquid inlet, a sixth liquid inlet, a fifth liquid outlet and a sixth liquid outlet.
The liquid inlet end comprises a first liquid inlet pipeline 16, a second liquid inlet pipeline 17, a third liquid inlet pipeline 18 and a fourth liquid inlet pipeline 19; the first liquid inlet pipeline 16 is communicated with a first liquid inlet and is used for conveying the nano particle solution to be separated to the first separation cavity 11; the second liquid inlet pipeline 17 is communicated with a second liquid inlet and used for conveying deionized water to the first separation cavity 11; the third liquid inlet pipeline 18 is communicated with the fourth liquid inlet and is used for conveying deionized water to the second separation cavity 12; and the fourth liquid inlet pipeline 19 is communicated with the sixth liquid inlet and is used for conveying deionized water to the third separation cavity 13.
The first liquid outlet is communicated with the first relay bottle 14 through a first liquid outlet pipeline 22; the first relay bottle 14 is communicated with the third liquid inlet through a fifth liquid inlet pipeline 20; the second liquid outlet is communicated with the second relay bottle 15 through a second liquid outlet pipeline 23; the second relay bottle 15 is communicated with the fifth liquid inlet through a sixth liquid inlet pipeline 21. The first and second relay bottles 14 and 15 are used for relay collection of the nanoparticles primarily separated in the first separation chamber 11.
The liquid outlet end comprises a third liquid outlet pipeline 24, a fourth liquid outlet pipeline 25, a fifth liquid outlet pipeline 26, a sixth liquid outlet pipeline 27, a first collecting bottle 30, a second collecting bottle 31, a third collecting bottle 32 and a fourth collecting bottle 33; the third liquid outlet is communicated with the first collecting bottle 30 through a third liquid outlet pipeline 24; the fourth liquid outlet is communicated with a second collecting bottle 31 through a fourth liquid outlet pipeline 25; the fifth liquid outlet is communicated with a third collecting bottle 32 through a fifth liquid outlet pipeline 26; the sixth liquid outlet is communicated with the fourth collecting bottle 33 through a sixth liquid outlet pipeline 27. The first collection bottle 30, the second collection bottle 31, the third collection bottle 32 and the fourth collection bottle 33 are used for collecting nanoparticle solutions with different particle sizes respectively.
Separating assemblies 28 are arranged between the first liquid inlet and the second liquid inlet, between the first liquid outlet and the second liquid outlet, between the third liquid inlet and the fourth liquid inlet, between the third liquid outlet and the fourth liquid outlet, between the fifth liquid inlet and the sixth liquid inlet, and between the fifth liquid outlet and the sixth liquid outlet.
Further, the first liquid inlet pipeline 16, the second liquid inlet pipeline 17, the third liquid inlet pipeline 18, the fourth liquid inlet pipeline 19, the fifth liquid inlet pipeline 20, the sixth liquid inlet pipeline 21, the first liquid outlet pipeline 22, the second liquid outlet pipeline 23, the third liquid outlet pipeline 24, the fourth liquid outlet pipeline 25, the fifth liquid outlet pipeline 26 and the sixth liquid outlet pipeline 27 are all provided with an adjusting pump 29, and the adjusting pump 29 is used for adjusting the pressure and the flow rate of the inflow/outflow solution. In practice, the conditioning pump 29 may be a hydraulic rate pump. The apparatus further comprises a control module for controlling the output of each conditioning pump 29.
Another embodiment of the present invention provides a specific device for separating nano materials with different particle sizes, wherein the first separation chamber 11, the second separation chamber 12 and the third separation chamber 13 have a size of 20cm, an inner diameter of 5mm, and a height of 5 mm; the width of the separating assembly 28 is 5mm and the height is 1.5 mm; the widths and heights of the first liquid inlet, the second liquid inlet, the third liquid inlet and the fourth liquid inlet are all 2 mm; the capacity of the first relay bottle 14 and the second relay bottle 15 is 15 mL; the first collection vial 30, the second collection vial 31, the third collection vial 32 and the fourth collection vial 33 have a capacity of 100 mL.
The specific separation process is as follows:
step 1: and inputting the mixed solution of the nano particles with different particle diameters and the deionized water into a separation device. The method specifically comprises the following steps:
step 1.1: the first liquid inlet pipeline 16 is connected to a liquid outlet of the laser ablation pool, and a control module (which can be a computer end) controls a regulating pump 29 on the first liquid inlet pipeline 16 to control the speed v 1 A solution of nanoparticles to be separated containing nanoparticles of different particle sizes is injected into the first separation chamber 11.
Step 1.2: the computer end controls the regulating pump 29 on the second liquid inlet pipeline 17 to have the speed v 2 Deionized water is injected into the first separation chamber 11.
Step 1.3: the computer end controls the regulating pumps 29 on the third liquid inlet pipeline 18 and the fourth liquid inlet pipeline 19 to respectively control the speed v 3 、v 4 Deionized water is injected into the second separation chamber 12 and the third separation chamber 13.
Step 2: and (4) separating the nano particles with different particle sizes. The method specifically comprises the following steps:
step 2.1: the computer end controls the regulating pumps 29 on the first liquid outlet pipeline 22 and the second liquid outlet pipeline 23 to respectively control the speed v 5 、v 6 The primary separated solution flowing out of the first outlet and the second outlet of the first separation chamber 11 is transferred into the first relay bottle 14 and the second relay bottle 15.
Step 2.2: starting and controlling the regulating pumps 29 on the fifth inlet conduit 20 and the sixth inlet conduit 21, respectively, at a rate v 7 、v 8 The primary separation solution in the first relay bottle 14 and the second relay bottle 15 is transferred into the second separation chamber 12 and the third separation chamber 13, respectively.
Step 2.3: combining the steps 1.3 and 2.2, controlling the regulating pumps 29 on the third liquid outlet pipeline 24, the fourth liquid outlet pipeline 25, the fifth liquid outlet pipeline 26 and the sixth liquid outlet pipeline 27 to respectively control the speed v 9 ，v 10 ，v 11 And v 12 Work to further subdivideNanoparticles of different particle sizes.
And 3, step 3: and (4) collecting the nano particles with different particle sizes. The method specifically comprises the following steps:
step 3.1: the computer end controls the regulating pumps 29 on the third liquid outlet pipeline 24, the fourth liquid outlet pipeline 25, the fifth liquid outlet pipeline 26 and the sixth liquid outlet pipeline 27 to respectively control the speed v 9 ，v 10 ，v 11 And v 12 And is operated to output the finally separated nanoparticle solutions with different particle sizes into the first collection bottle 30, the second collection bottle 31, the third collection bottle 32 and the fourth collection bottle 33.
The device for separating the nano-materials with different particle diameters can continuously separate a large amount of nano-particle mixed solutions with large particle diameter differences, and creatively provides a brand-new, simple, convenient, quick and universal method for continuously separating and screening nano-particles in large batch. The nano material with a specific structure prepared by the device can be used in the fields of optics, magnetism, energy, environment, biomedicine and the like.
Although the present application has been described with reference to a few embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the application as defined by the appended claims.
Claims (8)
1. An apparatus for separating nano-materials into different particle sizes, the apparatus comprising: the separation cavity assembly and the liquid inlet end and the liquid outlet end are communicated with the separation cavity assembly;
the liquid inlet end is used for conveying the nano particle solution to be separated and the deionized water to the separation cavity in a combined manner;
the liquid outlet end is used for collecting the separated nano particle solutions with different particle diameters;
the separation cavity combination comprises a plurality of separation cavities, wherein at least one separation assembly is arranged in each separation cavity and used for buffering pressure difference caused by inflow/outflow solutions with different flow rates so as to separate nano particles with different particle sizes.
2. The apparatus of claim 1, wherein each of the separation chambers has an external field applied thereto; the external field is used for assisting in separating the nanoparticle solution to be separated.
3. The apparatus of claim 2, wherein the external field comprises any one or any several of an electric field, a magnetic field, an optical field, an acoustic field, and a gravitational field.
4. The device of any one of claims 1 to 3, wherein the separation chamber combination comprises a first separation chamber, a second separation chamber, a third separation chamber, a first relay bottle, and a second relay bottle;
the first separation cavity comprises a first liquid inlet, a second liquid inlet, a first liquid outlet and a second liquid outlet; the second separation cavity comprises a third liquid inlet, a fourth liquid inlet, a third liquid outlet and a fourth liquid outlet; the third separation cavity comprises a fifth liquid inlet, a sixth liquid inlet, a fifth liquid outlet and a sixth liquid outlet;
the liquid inlet end comprises a first liquid inlet pipeline, a second liquid inlet pipeline, a third liquid inlet pipeline and a fourth liquid inlet pipeline; the first liquid inlet pipeline is communicated with the first liquid inlet and is used for conveying the nano particle solution to be separated to the first separation cavity; the second liquid inlet pipeline is communicated with the second liquid inlet and is used for conveying the deionized water to the first separation cavity; the third liquid inlet pipeline is communicated with the fourth liquid inlet and is used for conveying the deionized water to the second separation cavity; the fourth liquid inlet pipeline is communicated with the sixth liquid inlet and is used for conveying the deionized water to the third separation cavity;
the first liquid outlet is communicated with the first relay bottle through a first liquid outlet pipeline; the first relay bottle is communicated with the third liquid inlet through a fifth liquid inlet pipeline; the second liquid outlet is communicated with the second relay bottle through a second liquid outlet pipeline; the second relay bottle is communicated with the fifth liquid inlet through a sixth liquid inlet pipeline;
the liquid outlet end comprises a third liquid outlet pipeline, a fourth liquid outlet pipeline, a fifth liquid outlet pipeline, a sixth liquid outlet pipeline, a first collecting bottle, a second collecting bottle, a third collecting bottle and a fourth collecting bottle; the third liquid outlet is communicated with the first collecting bottle through the third liquid outlet pipeline; the fourth liquid outlet is communicated with the second collecting bottle through the fourth liquid outlet pipeline; the fifth liquid outlet is communicated with the third collecting bottle through the fifth liquid outlet pipeline; the sixth liquid outlet is communicated with the fourth collecting bottle through the sixth liquid outlet pipeline;
the separation assembly is arranged between the first liquid inlet and the second liquid inlet, between the first liquid outlet and the second liquid outlet, between the third liquid inlet and the fourth liquid inlet, between the third liquid outlet and the fourth liquid outlet, between the fifth liquid inlet and the sixth liquid inlet, and between the fifth liquid outlet and the sixth liquid outlet.
5. The apparatus of claim 4, wherein the separation assembly is a perforated partition.
6. The apparatus according to claim 4, wherein the first liquid inlet pipe, the second liquid inlet pipe, the third liquid inlet pipe, the fourth liquid inlet pipe, the fifth liquid inlet pipe, the sixth liquid inlet pipe, the first liquid outlet pipe, the second liquid outlet pipe, the third liquid outlet pipe, the fourth liquid outlet pipe, the fifth liquid outlet pipe, and the sixth liquid outlet pipe are respectively provided with a regulating pump, and the regulating pumps are used for regulating the pressure and flow rate of the inflowing/outflowing solution.
7. The apparatus of claim 6, wherein the conditioning pump is a hydraulic rate pump.
8. The apparatus of claim 6, further comprising a control module for controlling the output of each of the conditioning pumps.
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| CN101433786A (en) * | 2007-11-15 | 2009-05-20 | 赢创德固赛有限责任公司 | Method of fractionating oxidic nanoparticles by crossflow membrane filtration |
| CN108031549A (en) * | 2017-11-29 | 2018-05-15 | 华中科技大学 | One kind is used for a variety of particles continuously separated magnetic separating device and method |
| CN111849764A (en) * | 2020-07-22 | 2020-10-30 | 京东方科技集团股份有限公司 | Microfluidic chip for multi-separation of exosome samples |
-
2021
- 2021-03-11 CN CN202110267071.8A patent/CN115069026A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101020156A (en) * | 2007-03-29 | 2007-08-22 | 王开玺 | Technological process of extracting Fe and C from gas slime |
| CN101433786A (en) * | 2007-11-15 | 2009-05-20 | 赢创德固赛有限责任公司 | Method of fractionating oxidic nanoparticles by crossflow membrane filtration |
| CN108031549A (en) * | 2017-11-29 | 2018-05-15 | 华中科技大学 | One kind is used for a variety of particles continuously separated magnetic separating device and method |
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