CN106215789A - A kind of backflow passive type micro-mixer based on jet current principle - Google Patents
A kind of backflow passive type micro-mixer based on jet current principle Download PDFInfo
- Publication number
- CN106215789A CN106215789A CN201610630714.XA CN201610630714A CN106215789A CN 106215789 A CN106215789 A CN 106215789A CN 201610630714 A CN201610630714 A CN 201610630714A CN 106215789 A CN106215789 A CN 106215789A
- Authority
- CN
- China
- Prior art keywords
- channel
- feedback channel
- jet
- outlet
- feedback
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- B01F33/30—Micromixers
- B01F33/301—Micromixers using specific means for arranging the streams to be mixed, e.g. channel geometries or dispositions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
- B01F25/3123—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with two or more Venturi elements
- B01F25/31233—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with two or more Venturi elements used successively
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/30—Injector mixers
- B01F25/31—Injector mixers in conduits or tubes through which the main component flows
- B01F25/312—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof
- B01F25/3124—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow
- B01F25/31242—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof characterised by the place of introduction of the main flow the main flow being injected in the central area of the venturi, creating an aspiration in the circumferential part of the conduit
-
- 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
Abstract
The present invention discloses the backflow passive type micro-mixer based on jet current principle in a kind of MEMS, n group jet and return-flow structure from left to right it is provided with along the central axis direction of hybrid channel, n >=4, often group jet and return-flow structure are from left to right sequentially connected in series by reducing pipe, efflux nozzle, feedback channel and increaser；Often group jet and return-flow structure have 2 relative to the feedback channel being arranged symmetrically with before and after central shaft, each feedback channel is the loop configuration connected into by feedback channel inlet-side channel, feedback channel transition passage, feedback channel outlet-side channel and mixed zone, the outlet of the entrance of 2 feedback channel inlet-side channel and 2 feedback channel outlet-side channel connects and communicates, and is collectively forming mixed zone；Producing low-pressure area near efflux nozzle, the fluid that mixing efficiency is the highest is back near efflux nozzle by feedback channel, again by jet entrainment, blending, thus promotes two kinds of liquid to realize being thoroughly mixed.
Description
Technical field
The present invention relates to the microfluid analysis field in MEMS, particularly relate to a kind of micro-mixer.
Background technology
Microfluid system by microchannel, Micropump, micro-valve, micro-mixer integrated, it is achieved to trace under minute yardstick
The control of fluid, operating and detect, it has become an important branch of MEMS.In microfluid system, whole system
System analysis efficiency depend on two or more fluid can quickly, be sufficiently mixed, therefore grinding about Microfluidic Mixing technology
Studying carefully is one of the focus of microfluid system research.As the important component part of microfluid system, micro-mixer is used for realizing
Differential responses thing being sufficiently mixed under the conditions of minute yardstick, in microanalytical chemistry, biochip, micro-chemical system, application is more
Come the most extensive.
Micro-mixer, according to or without extra power source, can be divided into passive type and active two classes.Passive type micro-mixer master
Use and there is complex geometry (as fluid channel shape being optimized, increase baffle plate, offer groove etc. in fluid channel)
Microchannel form chaotic advection, to improve the convection intensity of fluid, thus increase the contact area of fluid mixing, improve mixed
Close efficiency；Active micro-mixer is mainly by increasing external disturbance (such as magnetic/electric field disturbance, thermal agitation, ultrasound wave disturbance
Deng) promote Microfluidic Mixing.Comparatively speaking, owing to passive type micro-mixer need not plus exterior power source, the most more
Add stable and be easily integrated.
Under minute yardstick, owing to Reynolds number is the lowest, it is difficult to form turbulent flow, the molecule at two kinds of fluid contact levels can only be relied on
Diffusion realizes mixing, and be thoroughly mixed (mixing efficiency is more than 90%) that therefore to realize two kinds of fluids is highly difficult.Common is micro-
Blender is T-shaped micro-mixer, only at two kinds of liquid contact surfaces, relies on molecule diffusion to mix, thus general T type is micro-
Mixing efficiency near the median plane of blender is higher, and the fluid of close micro-mixer near wall is almost without mixing,
Which greatly limits the overall performance of T-shaped micro-mixer.
Summary of the invention
The invention aims to overcome existing general T type micro-mixer to only have the mixing efficiency near median plane to compare
Height, near the deficiency that the fluid mixing efficiency of micro-mixer near wall is relatively low, proposes a kind of backflow quilt based on jet current principle
Dynamic formula micro-mixer, enters so that fluid relatively low for micro-mixer near wall mixing efficiency is back to mixed zone by feedback channel
Row remixes, and by repeatedly circulating mixing, thus promotes two kinds of liquid to realize being thoroughly mixed.
The technical solution used in the present invention is: the present invention is by upper cover plate and mixed plate (24) group that is bonded with upper cover plate
Becoming, the inlet side of mixed plate has first, second access road that anterior-posterior horizontal is arranged, the outlet side of mixed plate has left and right water
The exit passageway that plain cloth is put, first, second access road common vertical connects the import of the hybrid channel that left and right horizontal is arranged, mixed
Close the outlet connection outlet passage of passage, along the central axis direction of hybrid channel, be from left to right provided with n group jet and backflow knot
Structure, n >=4, often group jet and return-flow structure are by reducing pipe, efflux nozzle, feedback channel and increaser the most successively
It is composed in series；Often group jet and return-flow structure have 2 relative to the feedback channel being arranged symmetrically with before and after central shaft, each feedback
Passage is to be connected by feedback channel inlet-side channel, feedback channel transition passage, feedback channel outlet-side channel and mixed zone
The loop configuration become, the outlet of the entrance of 2 feedback channel inlet-side channel and 2 feedback channel outlet-side channel connects phase
Logical, it is collectively forming mixed zone, the entrance of mixed zone connects efflux nozzle, and mixed zone connects increaser by mixed zone outlet.
Compared with prior art, the invention has the beneficial effects as follows: the present invention is to utilize particular spray and return-flow structure, is penetrating
Generation low-pressure area near stream spout, and mixed liquor is after efflux nozzle injection enters mixed zone, constantly volume suction fluid around enters
Incident flow so that jet velocity constantly reduces, fluid pressure constantly raises.The pressure of mixed zone near exit is higher than efflux nozzle
Neighbouring low-pressure area pressure, thus in feedback channel, produce backflow, finally make the fluid that mixing efficiency is the highest by feedback
Passage is back near efflux nozzle, again by jet entrainment, blending, so circulates, thus promotes two kinds of liquid to realize completely
Mixing.Compared with other micro-mixer structures, present configuration is simple, it is simple to processing is with integrated, and in feedback channel, fluid returns
Flow rate is high, micro-mixer good combination property.
Accompanying drawing explanation
Fig. 1 is the agent structure sectional view of a kind of backflow passive type micro-mixer based on jet current principle of the present invention；
Fig. 2 is the top view of upper cover plate 28 in Fig. 1；
Fig. 3 is the sectional view in Fig. 1 along A-A direction mixed plate 24；
Fig. 4 is single jet and the partial enlarged drawing of return-flow structure in Fig. 3；
In figure: 1. the first access road；2. the second access road；3. hybrid channel；4. reducing pipe；5. efflux nozzle；6. mixing
District's internal ring wall；7. rounded corner in；8. feedback channel inlet-side channel；9. rounded corner in；10. feedback channel transition passage；11.
Interior rounded corner；12. feedback channel outlet-side channel；The outer shroud wall of 13. feedback channel outlet-side channel；14. outer rounded corners；
The outer shroud wall of 15. feedback channel transition passages；16. outer rounded corners；The outer shroud wall of 17. feedback channel inlet-side channel；18.
Mixed zone；19. feedback channels；20. mixed zone outlets；21. increasers；22. exit passageways；23. central shafts；24. mixed plates；
25. second inlet holes；26. first inlet holes；27. outlet openings；28. upper cover plates.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, the present invention is by upper cover plate 28 and the mixed plate 24 that is bonded together with upper cover plate 28
Composition, mixed plate 24 is positioned at the underface of upper cover plate 28.Upper cover plate 28 has the most vertically arranged first inlet hole 26,
Second inlet hole 25 and outlet opening 27, the first inlet hole 26 is identical with the structure of the second inlet hole 25, is positioned at inlet side, outlet
Hole 27 is positioned at outlet side.Inlet side at mixed plate 24 have anterior-posterior horizontal arrange the first access road 1 and the second entrance lead to
Road 2, the outlet side at mixed plate 24 has the exit passageway 22 that left and right horizontal is arranged.First access road the 1, second access road
2 and the degree of depth up and down of exit passageway 22 be H2,100 μm≤H2≤200 μm.First inlet hole the 26, second inlet hole 25 and going out
Oral pore 27 all directly positional punch on pyrex7740 glass, these three hole is all vertical through hole, and the position in these three hole is divided
It is not disposed below the first access road the 1, second access road 2 and surface of exit passageway 22 of correspondence, these three hole
Diameter is identical with the width of respective channel below.The vertical height up and down in these three hole is H1,400 μm≤H1≤600 μm,
Thickness up and down equal to upper cover plate 28.Mixed plate 24 is processed by polydimethylsiloxane organosilicon (PDMS), its concrete work
Process flow is: first, thermally grown SiO on PDMS2As mask, mask thicknesses is about 2 μm；Then at SiO2It is coated with on mask
Smear the protection of relatively thick photoresist, use photoetching process and etch SiO2Mask, thus at SiO2On etch identical with mask plate
Micro-mixer planar structure；Then, Alcatel dry etch process front etching, etching depth H2 are used；Finally, dry method
Remove photoresist, oxide layer, it is directed at upper cover plate 28 after cleaning up and carries out electrostatic bonding.
As shown in figures 1 and 3, the first access road 1 and the second access road 2 are the access roades of two kinds of different fluid,
Their passage length is identical, is L2,400 μm≤L2≤800 μm.First access road 1 and the knot of the second access road 2
Structure is identical, and common vertical connects the import of hybrid channel 3 that left and right horizontal is arranged, and about the centrage 23 of hybrid channel 3 before
Rear symmetry, a length of L3 of hybrid channel 3,600 μm≤L3≤800 μm.The outlet connection outlet passage 22 of hybrid channel 3, with
Exit passageway 22 concentrically line 23.The channel width of the first access road 1 and the second access road 2 is equal, is L1, and identical
Channel width L7, L1=L7=200 μm in hybrid channel 3 and exit passageway 22.
On hybrid channel 3, along central shaft 23 direction of hybrid channel 3, from left to right equidistantly periodically it is provided with n
Group jet and return-flow structure, n >=4.Seeing Fig. 3 and Fig. 4, often group jet and return-flow structure are by reducing pipe 4, efflux nozzle 5, anti-
Feedthrough road 19 and increaser 21 are from left to right sequentially connected in series.
First group of jet of the leftmost side and the reducing pipe 4 of return-flow structure connect hybrid channel 3, and last group of the rightmost side is penetrated
Stream and the increaser 21 connection outlet passage 22 of return-flow structure.The a length of L6 of exit passageway 22,1000 μm≤L6≤2000 μ
m。
In two adjacent groups jet and return-flow structure, on the right side of the end connection of the increaser 21 of left side jet and return-flow structure
The top of the reducing pipe 4 of jet and return-flow structure, and the end of the increaser 21 of left side jet and return-flow structure and right side penetrate
Passage length between both the top of the reducing pipe 4 of stream and return-flow structure is L4, and 600 μm≤L4≤800 μm, length L4 is
Distance between two adjacent groups jet and return-flow structure, the distance between every two adjacent groups jet and return-flow structure is the most identical, as
This end to end formation periodic n group jet and return-flow structure.
As shown in Figure 3 and Figure 4, often group jet and return-flow structure have 2 feedback channels 19, and these 2 feedback channels 19 are relative
It is arranged symmetrically with before and after central shaft 23.Each feedback channel 19 is by feedback channel inlet-side channel 8, feedback channel transition passage
10, the loop configuration that feedback channel outlet-side channel 12 and mixed zone 18 connect into.Often organize in jet and return-flow structure symmetrical
The entrance of 2 feedback channel inlet-side channel 8 and the outlet of 2 feedback channel outlet-side channel 12 connect and communicate, common shape
Mixed zone 18, i.e. mixed zone 18 is become jointly to connect the entrance of 2 feedback channel inlet-side channel 8 and 2 feedback channel outlet sides
The outlet of passage 12, and mixed zone 18 is symmetrical relative to central shaft 23, has common central shaft 23 with hybrid channel 3.With
Time, the entrance of mixed zone 18 connects efflux nozzle 5, and mixed zone 18 is by mixed zone outlet 20 connection increaser 21.Often organize jet
With the distance between efflux nozzle 5 and mixed zone outlet 20 in return-flow structure is L5, namely the axial length of mixed zone 18 is
L5, L5=400 μm.
Feedback channel inlet-side channel 8, feedback channel transition passage 10, feedback channel outlet-side channel 12 these three passage
Channel width be sequentially reduced, i.e. along the flow direction of fluid in feedback channel 19, the width of passage is sequentially reduced.Feedback is logical
The channel width of road outlet-side channel 12 is L11, L11=60 μm.The channel width of feedback channel transition passage 10 is L12, L12=
80μm.The channel width of feedback channel inlet-side channel 8 is L13, L13=100 μm.
The axial length of mixed zone 18 is less than the axial length of feedback channel transition passage 10, feedback channel inlet-side channel
8 and feedback channel outlet-side channel 12 angled with hybrid channel 3 respectively, favour hybrid channel 3, middle feedback is led to
Road transition passage 10 is parallel with hybrid channel 3, also parallel with mixed zone 18.The channel width of efflux nozzle 5 goes out less than mixed zone
The channel width of mouth 20.
The corner region easily producing dead band at feedback channel 19 all connects, in the mixing of mixed zone 18 with rounded corner transition
In using between district's internal ring wall 6 and the internal ring wall of feedback channel inlet-side channel 8, rounded corner 7 is connected, interior rounded corner 7 interior
Radius of circle is R1, R1=200 μm；Internal ring wall and the internal ring of feedback channel transition passage 10 at feedback channel inlet-side channel 8
In using between wall, rounded corner 9 connects, and the radius of interior rounded corner 9 is R2, R2=50 μm；Outside feedback channel inlet-side channel 8
Outer rounded corner 16 is used to be connected between ring wall face 17 and the outer shroud wall 15 of feedback channel transition passage 10, the half of outer rounded corner 16
Footpath is R3, R3=125 μm；Internal ring wall and the internal ring wall of feedback channel outlet-side channel 12 at feedback channel transition passage 10
In using between face, rounded corner 11 connects, and the radius of interior rounded corner 11 is R4, R4=50 μm；At feedback channel transition passage 10
The radius using outer rounded corner 14 between the outer shroud wall of outer shroud wall and feedback channel outlet-side channel 12 is R5, R5=100 μ
m。
The inclination angle of reducing pipe 4 be θ 1, the inclination angle of feedback channel outlet-side channel 12 be θ 2, feedback channel inlet-side channel 8
Inclination angle theta 3, the inclination angle of increaser 21 is θ 4, and θ 1=θ 2=θ 3=θ 4=135 °；The i.e. outside wall surface of reducing pipe 4 and feedback channel
Outlet-side channel 12 is parallel, and the outside wall surface of increaser 21 is parallel with feedback channel inlet-side channel 8.The runner width of efflux nozzle 5
Degree is L8, L8=20 μm, and flow channel length is L9,100 μm≤L9≤200 μm.The width of flow path of mixed zone outlet 20 is L15, L15=
40 μm, flow channel length is L14,100 μm≤L14≤200 μm.The width of flow path L10 of mixed zone 18 is equal to the first access road 1 He
The channel width L1 of the second access road 2, and equal to hybrid channel 3 and the channel width L7 of exit passageway 22.Feedback channel
Distance between outer shroud wall 15 and the central shaft 23 of transition passage is L16, L16=500 μm, outside feedback channel transition passage
Ring wall face 15 is the most flat with the outer shroud wall 13 of the outer shroud wall 17 of feedback channel inlet-side channel and feedback channel outlet-side channel
Slip over to cross and connect.
Mixed process of the present invention is as follows, and the liquid A to be mixed second inlet hole 25 on upper cover plate 28 enters mixed plate 24
The second access road 2, the liquid B to be mixed first inlet hole 26 on upper cover plate 28 enter mixed plate 24 the first entrance lead to
Road 1；In mixed process, for ensureing that the different liquid A to be mixed of both, B identical size injection enter micro-mixer, need to be tight with syringe pump
Lattice control the injection rate of two kinds of liquid.Two kinds of liquid merge into mixed liquor in hybrid channel 3, and on the contact surface, pass through
Molecule has spread and has tentatively mixed；Then, mixed liquor enters jet and the return-flow structure region of periodic arrangement, passes through reducing pipe
4 pairs of mixed liquors accelerate, and produce high-speed jet by efflux nozzle 5, and the spouting velocity of jet is exceedingly fast, near efflux nozzle 5
Produce low-pressure area；High-speed jet enters mixed zone 18, and constantly the volume suction relatively low fluid of mixing efficiency around enters jet；Due at a high speed
Jet is constantly rolled up suction surrounding fluid and is entered jet, causes jet flow constantly to reduce along Cheng Zengjia, effluxvelocity, the pressure of fluid
It is continuously increased the most therewith；When mixed liquor arrives near mixed zone outlet 20, the pressure of mixed liquor is attached apparently higher than efflux nozzle 5
The low-pressure area closely formed due to high-speed jet.Owing to efflux nozzle 5 and mixed zone outlet 20 are on same level position, thus mixed
Close the mixed liquor near the median plane that efficiency is higher to flow directly out from mixed zone outlet 20, the stream that another part mixing efficiency is relatively low
Body enters feedback channel 19 under differential pressure action, leads to through feedback channel inlet-side channel 8, feedback channel transition passage 10, feedback
It is returned near efflux nozzle 5 after road outlet-side channel 12 reflux, and the high-speed jet volume again produced by efflux nozzle 5 is inhaled,
Blend, carry out secondary mixing, so circulate, promote two kinds of liquid to realize being thoroughly mixed, thus improve the mixing efficiency of fluid.
Feedback channel inlet-side channel 8 in feedback channel 19, feedback channel transition passage 10, feedback channel outlet-side channel 12 this three
The width of bar passage is sequentially reduced along fluid flow direction, is conducive to improving the speed of feedback channel 19 exit fluid, enters
One step reduces low-pressure area pressure near efflux nozzle 5, improves the reflux ratio of fluid in feedback channel, strengthens chaotic advection intensity,
Thus reach to improve the purpose of mixing efficiency.At mixed liquor after the such jet of n group and return-flow structure effect, from last
The mixed liquor that group jet and return-flow structure flow out, has been carried out being thoroughly mixed substantially；From last group jet and return-flow structure
The mixed liquor of mixed zone outlet 20 outflow finally flows into exit passageway 22, and flows out micro-mixer from outlet opening 27, completes mixing
Process.
Claims (8)
1. a backflow passive type micro-mixer based on jet current principle, by upper cover plate (28) and is bonded with upper cover plate (28)
Mixed plate (24) forms, and the inlet side of mixed plate (24) has first, second access road (1,2) that anterior-posterior horizontal is arranged, mixed
The outlet side of plywood (24) has the exit passageway (22) that left and right horizontal is arranged, first, second access road (1,2) common vertical
Connect the import of the hybrid channel (3) that left and right horizontal is arranged, outlet connection outlet passage (22) of hybrid channel (3), its feature
It is；Along the central axis direction of hybrid channel (3), from left to right it is provided with n group jet and return-flow structure, n >=4, often organizes jet and return
Flow structure is from left to right sequentially connected in series group by reducing pipe (4), efflux nozzle (5), feedback channel (19) and increaser (21)
Become；Often organize jet and return-flow structure has 2 and leads to relative to the feedback channel (19) being arranged symmetrically with before and after central shaft, each feedback
Road (19) be by feedback channel inlet-side channel (8), feedback channel transition passage (10), feedback channel outlet-side channel (12) with
And the loop configuration that mixed zone (18) connect into, the entrance of 2 feedback channel inlet-side channel (8) and 2 feedback channel outlets
The outlet of wing passage (12) connects and communicates, and is collectively forming mixed zone (18), and the entrance of mixed zone (18) connects efflux nozzle (5),
Mixed zone (18) connects increaser (21) by mixed zone outlet (20).
A kind of backflow passive type micro-mixer based on jet current principle, is characterized in that；Feedback channel
Inlet-side channel (8), feedback channel transition passage (10), the channel width of feedback channel outlet-side channel (12) these three passage
It is sequentially reduced.
A kind of backflow passive type micro-mixer based on jet current principle, is characterized in that；Feedback channel
Transition passage (10) and hybrid channel (3), mixed zone (18) are the most parallel, and the axial length of mixed zone (18) is less than feedback channel mistake
Cross the axial length of passage (10), feedback channel inlet-side channel (8) and feedback channel outlet-side channel (12) to favour respectively
Hybrid channel (3).
A kind of backflow passive type micro-mixer based on jet current principle, is characterized in that；Efflux nozzle
(5) channel width is less than the channel width of mixed zone outlet (20).
A kind of backflow passive type micro-mixer based on jet current principle, is characterized in that；Reducing pipe
(4) outside wall surface is parallel with feedback channel outlet-side channel (12), and the outside wall surface of increaser (21) is led to feedback channel entrance side
Road (8) is parallel.
A kind of backflow passive type micro-mixer based on jet current principle, is characterized in that；Adjacent two
In group jet and return-flow structure, the end of the increaser (21) of left side jet and return-flow structure and right side jet and return-flow structure
Passage length between both the top of reducing pipe (4) is L4,600 μm≤L4≤800 μm；Often organize in jet and return-flow structure
Efflux nozzle (5) and mixed zone outlet (20) between distance be L5, L5=400 μm.
A kind of backflow passive type micro-mixer based on jet current principle, is characterized in that；Feedback channel
The channel width of outlet-side channel (12) is L11, L11=60 μm；The channel width of feedback channel transition passage (10) is L12,
L12=80μm；The channel width of feedback channel inlet-side channel (8) is L13, L13=100 μm；Feedback channel transition passage (10)
Outer shroud wall and the central shaft of hybrid channel (3) between distance be L16, L16=500 μm.
A kind of backflow passive type micro-mixer based on jet current principle, is characterized in that；Feedback channel
Inlet-side channel (8), inclination angle between feedback channel outlet-side channel (12) and hybrid channel (3) are all 135 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610630714.XA CN106215789B (en) | 2016-08-04 | 2016-08-04 | A kind of reflux passive type micro-mixer based on jet current principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610630714.XA CN106215789B (en) | 2016-08-04 | 2016-08-04 | A kind of reflux passive type micro-mixer based on jet current principle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106215789A true CN106215789A (en) | 2016-12-14 |
| CN106215789B CN106215789B (en) | 2019-02-05 |
Family
ID=57546982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610630714.XA Expired - Fee Related CN106215789B (en) | 2016-08-04 | 2016-08-04 | A kind of reflux passive type micro-mixer based on jet current principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106215789B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106669512A (en) * | 2016-12-27 | 2017-05-17 | 齐鲁工业大学 | Passive type micro-channel |
| CN107824066A (en) * | 2017-11-20 | 2018-03-23 | 浙江大学 | Based on the blender that Whitehead moral chain is ring-like |
| CN107983244A (en) * | 2018-01-03 | 2018-05-04 | 燕山大学 | Forced Mixing device |
| CN109985544A (en) * | 2019-04-18 | 2019-07-09 | 中国石油大学(华东) | A kind of return-flow structure passive type micro-mixer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200722713A (en) * | 2005-12-06 | 2007-06-16 | Univ Nat Tsing Hua | Microfluidic oscillator |
| CN102553482A (en) * | 2012-02-24 | 2012-07-11 | 张端 | Novel backflow-type micro mixer |
| CN203342716U (en) * | 2013-06-13 | 2013-12-18 | 重庆大学 | Micro-fluid mixing system |
-
2016
- 2016-08-04 CN CN201610630714.XA patent/CN106215789B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200722713A (en) * | 2005-12-06 | 2007-06-16 | Univ Nat Tsing Hua | Microfluidic oscillator |
| CN102553482A (en) * | 2012-02-24 | 2012-07-11 | 张端 | Novel backflow-type micro mixer |
| CN203342716U (en) * | 2013-06-13 | 2013-12-18 | 重庆大学 | Micro-fluid mixing system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106669512A (en) * | 2016-12-27 | 2017-05-17 | 齐鲁工业大学 | Passive type micro-channel |
| CN106669512B (en) * | 2016-12-27 | 2019-10-25 | 齐鲁工业大学 | Passive type microchannel |
| CN107824066A (en) * | 2017-11-20 | 2018-03-23 | 浙江大学 | Based on the blender that Whitehead moral chain is ring-like |
| CN107983244A (en) * | 2018-01-03 | 2018-05-04 | 燕山大学 | Forced Mixing device |
| CN107983244B (en) * | 2018-01-03 | 2020-09-11 | 燕山大学 | Forced mixer |
| CN109985544A (en) * | 2019-04-18 | 2019-07-09 | 中国石油大学(华东) | A kind of return-flow structure passive type micro-mixer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106215789B (en) | 2019-02-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106215789A (en) | A kind of backflow passive type micro-mixer based on jet current principle | |
| CN105664773B (en) | Plane passive type micro-mixer | |
| US20070263485A1 (en) | Twin-vortex micromixer for enforced mass exchange | |
| CN202199279U (en) | Plane passive micro-mixer based on strengthened mixing of vortex forming structure | |
| CN107583551A (en) | A kind of plane passive type micro-mixer of stepped passageway processing font baffle plate | |
| CN105771765B (en) | A kind of passive type micro-mixer of built-in periodicity stop block and baffle plate | |
| CN102151504A (en) | Micro mixer with unsymmetrical separation and recombination fan-shaped cavity structures | |
| CN212189044U (en) | Micro-reaction channel, reaction substrate and micro-channel reactor | |
| CN201959734U (en) | Micro-mixer adopting asymmetric separating reconstructing fan-shaped cavity structure | |
| CN103638852A (en) | Valveless piezoelectric micromixer for synthesizing jet | |
| CN209646393U (en) | A kind of non-concentric O shape channel microfluid mixer | |
| CN210279006U (en) | Efficient micro-mixing device | |
| CN108201847A (en) | Based on the circular arc baffle plane passive type micro-mixer for strengthening mixing into vortex structure | |
| CN103638853A (en) | S-type passive micro-mixer | |
| CN105195053B (en) | A kind of concussion jetting type micro-mixer based on microbubble driving | |
| CN203635129U (en) | Novel piezoelectrically-driven micro fluid mixer | |
| CN105056821B (en) | Cross micromixer with symmetrical elliptic-arc-shaped baffles | |
| CN106268471B (en) | A kind of reducing elbow tandem micro-mixer | |
| CN102233241A (en) | Planar passive micro mixer based on vortex forming structure enhanced mixing | |
| KR20140082377A (en) | Micromixer with circular chambers and crossing constriction channels | |
| CN104154798B (en) | A kind of novel planar micro-channel heat exchanger | |
| CN109985543B (en) | Spindle-shaped passive micro mixer | |
| CN209934621U (en) | Fluid mixing structure, micro mixer and alkanolamine reaction system | |
| CN106732111B (en) | A kind of type recombined micro-mixer of D type non-axisymmetrical separation | |
| CN107051304A (en) | A kind of active electric osmose micro-mixer of unsymmetric structure and electrode |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190205 Termination date: 20190804 |