CN110339736A - A kind of microbubble occurs and controller - Google Patents
A kind of microbubble occurs and controller Download PDFInfo
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- CN110339736A CN110339736A CN201910581476.1A CN201910581476A CN110339736A CN 110339736 A CN110339736 A CN 110339736A CN 201910581476 A CN201910581476 A CN 201910581476A CN 110339736 A CN110339736 A CN 110339736A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
- B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
- B01F23/235—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids for making foam
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- 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
- B01F25/105—Mixing heads, i.e. compact mixing units or modules, using mixing valves for feeding and mixing at least two components
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/80—Forming a predetermined ratio of the substances to be mixed
- B01F35/88—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise
- B01F35/883—Forming a predetermined ratio of the substances to be mixed by feeding the materials batchwise using flow rate controls for feeding the substances
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- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
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Abstract
The invention discloses a kind of generation of microbubble and controllers, including fluid delivery system, gas-fluid mixing systems, microbubble generator and microbubble control system；The fluid delivery system includes gas delivery system and liquid conveying system；Gas-fluid mixing systems are for mixing the gas and liquid flowed through；Microbubble generator is distribution T type three-way pipe, the entrance of main channel is connected with gas-fluid mixing systems, and the outlet of branched bottom is connected with microbubble control system, and mixed gas and liquid form slug flow in main channel, the cross section of main channel is rectangle, and the cross section of branched bottom is rectangle；Microbubble control system includes miniature valve and flow controller, and miniature valve and flow controller are used to adjust the fluid flow in branched bottom.The microbubble that can produce the shapes such as strip, bullet type, spherical shape with controller occurs using the microbubble, can satisfy demand of the multiple fields to micro-bubble.
Description
Technical field
The present invention relates to delicate electronic device field of radiating under micro- chemical reaction and high heat flux density, in particular to a kind of
The bubble generator of microbubble size and shape controllable precise.
Background technique
Microbubble or microlayer model are in micro- chemical system, and accurate device radiates, agricultural, biomedical engineering, all gather around in life
It is widely used.Since microbubble has biggish specific surface area, chemical carrying capacity is strong, so that the heat transfer of fluid, biography
Mass-energy power greatly enhances.Researches show that the mass tranfer coefficients of microbubble to be higher by at least 1-2 order of magnitude than conventional scale device.Micro-
Fluid reactant is sent in microchannel and reacts by chemical technology field, has benefited from the superior heat radiation ability and biography of microbubble
Mass-energy power, can make to react under normal condition excessively acutely and the strong exothermal reaction that is difficult to be carried out continuously is smooth, together
When reaction efficiency at least improve 2 orders of magnitude.In delicate electronic device field of radiating, electronic device heat flow density rapidly rises
For device towards micromation, light-weighted trend development, the space for leaving radiating subassembly for is extremely limited simultaneously, in face of so harsh
Condition, conventional radiating mode is helpless, and can efficiently solve this skill using microfluid heat dissipation technology in microchannel
Art problem.In agriculture field, pesticide utilization rate can be greatly improved by carrying out sprinkling with microbubble carrying pesticide active ingredient, can solve
Excessively use the pollution problem of pesticide bring.In biomedicine field, Karlsruhe, Germany Institute of Technology toxicology and heredity
Research institute is cooperated with Shanghai nanotechnology research, extremely produces super-hydrophobic superoleophobic lubricious table on same surface in conjunction with two
Face, this is the important breakthrough that microfluidic chip technology obtains, and carries what drug efficiently treated lesion by microbubble
Technological means becomes a reality.In addition, City University of Hong Kong has used micro-fluidic technologies that topological fluid diode is made, can control
The directed flow of microfluid, this collects Arid desert region in water from air and irrigate and civilian be of great significance.
Existing micro bubble generation device, structure is complicated mostly, and installation is inconvenient, and operation stability is insufficient, most of
It all cannot achieve and the shape of bubble accurately controlled with size, the limitation used is bigger.Chinese utility model patent
201820706156.5 disclose a kind of micro-nano bubble generator, which is sprayed using water pump, air inlet pipe and micro-nano bubble
Mouth maintains and increases the content of the micro-nano bubble of water in sink, and then improves decontamination and water purification ability.The device is suitable for clear
Cleaning device field cannot achieve the control function of the size shape of microbubble although topology layout is reasonable, and the scope of application has
Limit.
Chinese invention patent application 201811162412.X also discloses a kind of micro-nano bubble generator, the device packet
The hose with inlet and outlet is included in the hose, is sequentially installed with water flow speedup from the water inlet to water outlet
Component, waterflow stabilization component and micro-nano bubble generating means.The water entered in device is increased by water flow speedup component
Speed is then act through waterflow stabilization component and the water flow through speedup is divided into stable water flow, finally has the water for stablizing flow velocity micro-
Bubble generating unit part of receiving is interior to generate a large amount of and stable micro-nano bubbles, and since water speed is after waterflow stabilization component,
Stable water pressure is no longer influenced by external water pressure, and the generation rate of micro-nano bubble can be effectively maintained.This device can produce stabilization
And a large amount of micro-nano bubbles, and do not influenced by external water pressure.It can satisfy sewage treatment, water oxygenation, the occasions such as clothes washing
Application.But it is also unable to satisfy the accurate control to Air Bubble Size, it is not available in macro work or orientation targeted therapy etc.
High-end biomedicine field.
Summary of the invention
In order to solve the problems in the existing technology, occur and control the object of the present invention is to provide a kind of microbubble
When passing through T-type microchannel phase partitioning phenomenon, while flowing of the phase partitioning phenomenon by Liang Ge branch can occur for device, biphase gas and liquid flow
Pressure drop, the factors such as branch's caliber influence, and can produce and control the shape and size of microbubble using the characteristic.
The purpose of the present invention is realized at least through one of following technical solution.
The present invention provides a kind of generation of microbubble and controllers, including fluid delivery system, gas-fluid mixing systems, micro- gas
Steep generator and microbubble control system；Fluid delivery system, gas-fluid mixing systems, microbubble generator and microbubble control system
System is sequentially connected logical；The fluid delivery system includes gas delivery system and liquid conveying system, gas delivery system and liquid
Body conveying system is in parallel；Gas-fluid mixing systems are for mixing the gas and liquid flowed through；Microbubble generator is distribution T-type three
Logical, the distribution T type three-way pipe includes main channel and two branched bottoms, and the entrance of main channel is connected with gas-fluid mixing systems,
The outlet of branched bottom is connected with microbubble control system, and mixed gas and liquid form slug flow in main channel, main
The cross section in channel is rectangle, and having a size of (800-1000) μ m (300-600) μm, the cross section of branched bottom is rectangle, ruler
Very little is (400-800) μ m (300-600) μm；Microbubble control system includes miniature valve and flow controller, miniature valve and stream
Amount controller is used to adjust the fluid flow in branched bottom.
Preferably, the gas delivery system includes gas storage device and gas flow controller, gas flow control
Device is arranged between gas storage device and gas-fluid mixing systems.
Preferably, the liquid conveying system includes Miniature injection pump and three-way connection, and three-way connection is arranged in miniature note
It penetrates between pump and gas-fluid mixing systems, the liquid phase of Miniature injection pump conveying is divided into two strands by three-way connection, and two bursts of liquid phases are logical
It crosses conveyance conduit and flows to gas-fluid mixing systems.
Preferably, the gas-fluid mixing systems are cross microchannel, and the cross microchannel includes left channel, right logical
Road, upper channel and lower channel；Upper channel is connected with the conveyance conduit of two bursts of liquid phases respectively with lower channel, and left channel and gas are defeated
System is sent to be connected, right channel is connected with the main channel of distribution T type three-way pipe.
Preferably, the cross microchannel is cross micro recessed structure to be carved on substrate, then sealed with cover board
After formed, substrate and cover board are poly (methyl methacrylate) plate, and the cross section of microchannel is rectangle, and the size of rectangle is (800-1000) μm
×(300-600)μm；The length in left channel is 20-40mm；The length in right channel is 150-200mm；The length of upper channel is 20-
40mm；The length of lower channel is 20-40mm.
Preferably, the distribution T type three-way pipe is that cross micro recessed structure is carved on substrate, then after being sealed with cover board
It is formed, substrate and cover board are poly (methyl methacrylate) plate；The length of main channel is 100-150mm, and the length of branched bottom is 40-
60mm。
Preferably, the length of the cover board be 170-230mm, width 80-120mm, be highly 4-6mm, and cover board with
The size of substrate is identical.
Preferably, the left channel of cross microchannel, the inlet of upper channel and lower channel, the exit in right channel, distribution
The inlet of the main channel of T-type threeway and the exit of two branched bottoms are respectively mounted a Divergent Piping, the length of Divergent Piping
Degree is 0.9-1.1mm, and the size of the cross section of Divergent Piping is (1.05-1.15) mm × (1.05-1.15) mm.
Preferably, two branched bottoms of distribution T type three-way pipe are respectively the first branched bottom and the second branched bottom, and first
The length of branched bottom and the second branched bottom is identical, and main channel and the first branched bottom are on the horizontal line of T-type, miniature valve packet
Including the first miniature valve and the second miniature valve, flow controller includes first flow controller and second flow controller, and first point
Subchannel, the first miniature valve and first flow controller are sequentially connected logical, the second branched bottom, the second miniature valve and second flow
Controller is sequentially connected logical.
Preferably, the connecting component of the branched bottom and miniature valve of distribution T type three-way pipe is rubber hose, the rubber hose
Internal diameter be 1.5-2mm, length 100-300mm；Between the right channel of cross microchannel and the main channel of distribution T type three-way pipe
Connecting component is conduit, and the internal diameter of conduit is 0.95-1.05mm
Compared to the prior art, the invention has the advantages that and advantage:
(1) microbubble provided by the invention occurs equal with the cross microchannel of critical component of controller, distribution T type three-way pipe
Cross micro recessed structure is carved on substrate, then is formed after being sealed with cover board, technological means is simple and easy to do, and it is at low cost,
Safety and stability, it is practical.
(2) microbubble that the present invention provides a kind of controllable precise occurs and controller, can flexibly replace according to demand whole
Body installation dimension is identical, and inner passage possesses various sizes of distribution T type three-way pipe, and two miniature valves and flow controller one start to control
Microbubble shape and size processed occur to can produce strip (a in Fig. 7, section and length with controller using the microbubble
It is controllable), bullet type (b in Fig. 7, section and length are controllable), the shapes such as spherical (c in Fig. 7,50 μm -1000 μm of diameter)
The microbubble of shape can satisfy demand of the multiple fields to micro-bubble.
(3) branched bottom cross sectional dimensions provided by the invention is available in the distribution T type three-way pipe of 500 μm of 400 μ m
The unique strip bubble of shape, especially suitable for the teaching demonstration experiment being used in micro- Chemical Engineering Technology.
Detailed description of the invention
Fig. 1 is the overall structure diagram of microbubble generation and controller；
Fig. 2 is the substrate schematic cross-section of cross microchannel；
Fig. 3 is the substrate schematic cross-section for distributing T-type channel；
Fig. 4 is the cover plate schematic diagram of cross microchannel and distribution T-type channel；
Fig. 5 is the whole value range figure of the inlet gas-liquid two-phase speed of cross microchannel；
Fig. 6 is the bubble schematic diagram that the distribution T-type channel for the different size branched bottoms that high-speed camera takes generates；
Fig. 7 is the section and the controllable microbubble schematic diagram of length that high-speed camera track up arrives；
Attached drawing 1: 1- gas storage device in figure；2- gas flow controller；3- Miniature injection pump；4- three-way connection；5-
Cross microchannel；6- distribution T type three-way pipe；The first miniature valve of 7-；The second miniature valve of 8-；9- first flow controller；10- second
Flow controller.
Specific embodiment
Specific implementation of the invention is described further below in conjunction with specific embodiments and the drawings, but implementation of the invention
It is without being limited thereto.
Embodiment
It present embodiments provides a kind of microbubble to occur and controller, as shown in Figure 1, including fluid delivery system, gas-liquid
Hybrid system, microbubble generator and microbubble control system；Fluid delivery system, gas-fluid mixing systems, microbubble generator
It is sequentially connected with microbubble control system logical；The fluid delivery system includes gas delivery system and liquid conveying system, gas
Body conveying system and liquid conveying system are in parallel；Gas-fluid mixing systems are for mixing the gas and liquid flowed through；Microbubble occurs
Device is distribution T type three-way pipe 6, and the distribution T type three-way pipe 6 includes main channel and two branched bottoms, the entrance and gas-liquid of main channel
Hybrid system is connected, and the outlet of branched bottom is connected with microbubble control system, and mixed gas and liquid are in main channel
Interior formation slug flow, the cross section of main channel are rectangle, and having a size of 500 μm of 1000 μ m, the cross section of branched bottom is rectangle,
Having a size of 800 × 500 μm；Microbubble control system includes miniature valve and flow controller, and miniature valve and flow controller are used for
Adjust the fluid flow in branched bottom.
The gas delivery system includes gas storage device 1 and gas flow controller 2, and gas flow controller 2 is set
It sets between gas storage device 1 and gas-fluid mixing systems.The gas storage device of the present embodiment is compact steel cylinder 1, gas
Body flow controller 2 is mass flow controller MFC (CMQ-V9500, Yamatake Corporation, Japan, control essence
Degree is ± 1%), gas is nitrogen.
The liquid conveying system includes Miniature injection pump 3 (Baoding LanGe constant flow pump Co., Ltd, LSP02-1B, control
Precision is 0.1ml/h) and three-way connection 4, the setting of three-way connection 4 is between Miniature injection pump 3 and gas-fluid mixing systems, miniature note
The liquid phase for penetrating 3 conveying of pump is divided into two strands by three-way connection 4, and two bursts of liquid phases flow to gas-fluid mixing systems by conveyance conduit.
Liquid phase is deionized water.
The gas-fluid mixing systems be cross microchannel 5, the cross microchannel 5 include left channel, right channel, on
Channel and lower channel；Upper channel is connected with the conveyance conduit of two bursts of liquid phases respectively with lower channel, left channel and gas delivery system
System is connected, and right channel is connected with the main channel of distribution T type three-way pipe 6.As shown in Fig. 2, the cross microchannel 5 is in base
Carve cross micro recessed structure on plate, then formed after being sealed with cover board, substrate and cover board be for poly (methyl methacrylate) plate, it is micro- logical
The cross section in road is rectangle, having a size of 1mm × 0.5mm；The length in left channel is 20mm；The length in right channel is 150mm；It is upper logical
The length in road is 40mm；The length of lower channel is 40mm.
As shown in figure 3, the distribution T type three-way pipe is to carve cross micro recessed structure on substrate, then sealed with cover board
It is formed after conjunction, substrate and cover board are for poly (methyl methacrylate) plate；The length of main channel is 110mm, and the length of branched bottom is 60mm.
As shown in figure 4, the length of the cover board is 170mm, width 80mm, it is highly 4mm.The size of cover board and substrate
Identical, blank cover plate by 8 hours, passes through hot pressing amalgamation mode, is formed under substrate in a vacuum drying oven 115 DEG C of high temperature
In addition to 3 entrances, the good distribution T type three-way pipe of leakproofness everywhere.
The left channel of cross microchannel 5, the inlet of upper channel and lower channel, the exit in right channel, distribution T-type three
Logical 6 inlet of main channel and the exit of two branched bottoms are respectively mounted a Divergent Piping, and the length of Divergent Piping is
1mm, the size of the cross section of Divergent Piping are 1.1mm × 1.1mm.
Two branched bottoms of distribution T type three-way pipe 6 are respectively the first branched bottom and the second branched bottom, and the first branch is logical
The length of road and the second branched bottom is identical, and on the horizontal line of T-type, miniature valve includes first for main channel and the first branched bottom
Miniature valve 7 and the second miniature valve 8, flow controller include first flow controller 9 and second flow controller 10, the first branch
The outlet in channel, the first miniature valve 7 and first flow controller 9 are sequentially connected logical, the second branched bottom, 8 and of the second miniature valve
Second flow controller 10 is sequentially connected logical.Fluid flow of the miniature valve in a wide range of interior control branched bottom, flow control
Device a small range be precisely controlled the fluid flow in branched bottom and show in real time with accumulative fluid flow.
The outlet of branched bottom and the connecting component of miniature valve are rubber hose, and the internal diameter of the rubber hose is 1.5mm,
Length 150mm, the coupling part between fluid delivery system, gas-fluid mixing systems and microbubble generator, which is all made of, disposably to be made
With segmental epidural catheter (specification 1.0mm), it is ensured that gas-liquid two-phase forms stable in the main channel of distribution T type three-way pipe 6
Slug flow.
The present embodiment, which is additionally provided, occurs the method for generating microbubble with controller using the microbubble, including walks as follows
It is rapid:
Firstly, opening the first miniature valve 7 and the second miniature valve 8.It sets gas phase flow rate and liquid phase injects flow, (as schemed
5, choose gas phase flow rate WG1=0.014L/min, liquid phase flow WL1=7.5ml/min).Deionized water passes through Miniature injection pump 3
Outflow initially enters a three-way connection 4 and forms two bursts of liquid phases, upper channel and lower channel of two bursts of liquid phases from cross microchannel
Entrance enter, and mix, is flowed through after the hose of one section of 150mm long into distributing T with the gas phase entered from the entrance in left channel
Type threeway 6.After observing stable slug flow in the main channel of the 100mm long of distribution T type three-way pipe 6, it can pass through at this time
First flow controller 9 and second flow controller 10 are adjusted, so that the pressure drop of the first branched bottom and the second branched bottom is not
Together, to obtain the microbubble of different size and shape in distribution T type three-way pipe 6.
Fig. 5 is the velocity interval figure of gas-liquid two-phase, as long as the point chosen falls in slug flow range in figure, so that it may through toning
Section obtains microbubble, chooses the microbubble of the available different rates of different operating points.
Fig. 6 is the bubble signal that the distribution T type three-way pipe 6 for the different size branched bottoms that high-speed camera takes generates
Figure；As shown in fig. 6, be followed successively by from top to bottom the first branched bottom cross sectional dimensions be 0.8mm × 0.5mm, 0.6mm × 0.5mm,
The rectangle distribution T type three-way pipe of 0.4mm × 0.5mm.When big gas bullet is flowed through at threeway, due to the drawing generated at the first branched bottom
This pressure difference of pula, atmosphere bullet are split into strip bubble (the first branched bottom) and bullet type bubble (the second branched bottom),
The section of strip bubble is by the size Control of the first branched bottom cross section, and the length of strip bubble is by subsequent microbubble
Control system control.
The section and the controllable strip bubble of length (a in Fig. 7) that Fig. 7 is arrived with high-speed camera track up, cut
Face and the controllable bullet type bubble of length (b in Fig. 7), 50 μm -1000 μm of diameter of spherical microbubble (c in Fig. 7).
The flow that flow controller is shown and the bubble shape corresponding relationship of generation such as following table table 1, the first branched bottom gas
Mutually extraction divides rate (FG3) be the first branched bottom and main channel gas mass flow ratio, definition is as follows, WG3And WG1It is respectively
The gas phase mass flow of first branched bottom and main channel.
The gas phase extraction of 1: the first branched bottom of table divides the relationship of rate and bubble shape
As taken W in embodimentG1=0.014L/min now needs to obtain spherical bubbles, by FG3Value range can calculate WG3
=(0.098-0.014) L/min, therefore adjust first flow controller 9 and second flow controller 10 within this range
To obtain spherical bubbles, within this range, work as WG3Bigger, the radius of spherical bubbles is just smaller in the second branched bottom, can be obtained
Bubble diameter range be 50 μm -1000 μm.
Embodiments of the present invention are not applied by examples detailed above and are limited, and those skilled in the art are reading this specification
It can according to need the modification that not creative contribution is made to the present embodiment afterwards, but as long as in scope of the presently claimed invention
Inside all by the protection of Patent Law.
Claims (10)
1. a kind of microbubble occurs and controller, which is characterized in that including fluid delivery system, gas-fluid mixing systems, microbubble
Generator and microbubble control system；Fluid delivery system, gas-fluid mixing systems, microbubble generator and microbubble control system
It is sequentially connected logical；The fluid delivery system includes gas delivery system and liquid conveying system, gas delivery system and liquid
Transportation system is in parallel；Gas-fluid mixing systems are for mixing the gas and liquid flowed through；Microbubble generator is distribution T type three-way pipe,
The distribution T type three-way pipe includes main channel and two branched bottoms, and the entrance of main channel is connected with gas-fluid mixing systems, branch
The outlet in channel is connected with microbubble control system, and mixed gas and liquid form slug flow, main channel in main channel
Cross section be rectangle, having a size of (800-1000) μ m (300-600) μm, the cross section of branched bottom is rectangle, having a size of
(400-800) μ m (300-600) μm；Microbubble control system includes miniature valve and flow controller, miniature valve and flow control
Device processed is used to adjust the fluid flow in branched bottom.
2. microbubble according to claim 1 occurs and controller, which is characterized in that the gas delivery system includes gas
Body storage device and gas flow controller, gas flow controller setting gas storage device and gas-fluid mixing systems it
Between.
3. microbubble according to claim 1 occurs and controller, which is characterized in that the liquid conveying system includes micro-
Type syringe pump and three-way connection, three-way connection are arranged between Miniature injection pump and gas-fluid mixing systems, Miniature injection pump conveying
Liquid phase be divided into two strands by three-way connection, two bursts of liquid phases flow to gas-fluid mixing systems by conveyance conduit.
4. microbubble according to claim 3 occurs and controller, which is characterized in that the gas-fluid mixing systems are cross
Type microchannel, the cross microchannel include left channel, right channel, upper channel and lower channel；Upper channel and lower channel difference
It is connected with the conveyance conduit of two bursts of liquid phases, left channel is connected with gas delivery system, the master in right channel and distribution T type three-way pipe
Channel is connected.
5. microbubble according to claim 4 occurs and controller, which is characterized in that the cross microchannel is in base
Cross micro recessed structure is carved on plate, then is formed after being sealed with cover board, and substrate and cover board are poly (methyl methacrylate) plate, microchannel
Cross section be rectangle, the size of rectangle is (800-1000) μ m (300-600) μm；The length in left channel is 20-40mm；It is right
The length in channel is 150-200mm；The length of upper channel is 20-40mm；The length of lower channel is 20-40mm.
6. microbubble according to claim 1 occurs and controller, which is characterized in that the distribution T type three-way pipe is in base
Cross micro recessed structure is carved on plate, then is formed after being sealed with cover board, and substrate and cover board are poly (methyl methacrylate) plate；Main channel
Length be 100-150mm, the length of branched bottom is 40-60mm.
7. microbubble according to claim 5 or 6 occurs and controller, which is characterized in that the length of the cover board is
170-230mm, width 80-120mm are highly 4-6mm, and cover board is identical as the size of substrate.
8. microbubble according to claim 4 occurs and controller, which is characterized in that the left channel of cross microchannel,
The inlet of upper channel and lower channel, the exit in right channel, distribution T type three-way pipe main channel inlet and Liang Ge branch it is logical
The exit in road is respectively mounted a Divergent Piping, and the length of Divergent Piping is 0.9-1.1mm, the size of the cross section of Divergent Piping
For (1.05-1.15) mm × (1.05-1.15) mm.
9. microbubble according to claim 1 occurs and controller, which is characterized in that the Liang Ge branch of distribution T type three-way pipe
Channel is respectively the first branched bottom and the second branched bottom, and the length of the first branched bottom and the second branched bottom is identical, main
Channel and the first branched bottom are on the horizontal line of T-type；Miniature valve includes the first miniature valve and the second miniature valve, flow controller
Including first flow controller and second flow controller；First branched bottom, the first miniature valve and first flow controller according to
Secondary to be connected, the second branched bottom, the second miniature valve and second flow controller are sequentially connected logical.
10. microbubble according to claim 9 occurs and controller, which is characterized in that the branched bottom of distribution T type three-way pipe
Connecting component with miniature valve is rubber hose, and the internal diameter of the rubber hose is 1.5-2mm, length 100-300mm；It is cross
Connecting component between the right channel of microchannel and the main channel of distribution T type three-way pipe is conduit, and the internal diameter of conduit is 0.95-
1.05mm。
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112169609A (en) * | 2020-09-25 | 2021-01-05 | 中国计量大学 | Method for generating micro-bubbles by super-hydrophobic network on open wall surface |
| CN115193314A (en) * | 2022-07-27 | 2022-10-18 | 天津大学 | Preparation method of yield stress type in-fluid bubbles based on micro-channel |
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