CN207899270U - Bubble maker - Google Patents

Abstract

The utility model discloses a kind of bubble makers, including accelerating swirl-flow premixed mechanism, described to accelerate swirl-flow premixed mechanism include premix chamber, and mixing and turbulent shear accelerate for the gas-liquid mixture fluid to inflow, the premix chamber twist scroll casing type cavity；Bubble emitting mechanism；Further include turning to eddy flow mixed organization, include the steering chamber with the premix chamber, for carrying out deflecting rotation mixing and the turbulent shear that centripetal diameter flows to axis stream to the fluid from the premix chamber；Diffusion eddy flow mixed organization includes rotary diffusing impingement mix and turbulent shear for carrying out axial-flow type to the fluid from the steering chamber with the diffusion chamber for turning to chamber；The bubble emitting mechanism and diffusion chamber.It may make the gas part of the gas-liquid mixture fluid of inflow to be sheared by the alternate strong turbulence of multistage multiple dimensioned gas-liquid two-phase, and then generate multistage multiple dimensioned bubbles burst, generate a large amount of required micro-nano bubbles.

Description

Bubble maker

Technical field

The utility model is related to bubble generator technical fields, more particularly to a kind of suitable for stability and high efficiency a large amount of systems Make the device of the micro-bubbles such as micron bubble, nano bubble.

Background technology

In recent years, had in view of micro-bubble (micron, micro-nano and nano bubble of the bubble diameter in 10nm~50 μm) The unique physicochemical characteristics having, i.e., the system comprising multiple micro-bubbles and have same volume include single in a liquid The system of one bubble is compared, and has a much bigger bubble surface area, and the residence time of micro-bubble in water etc. also longest, Therefore, the gas dissolution characteristics of micro-bubble, micro-bubble can improve object to raisings such as the characterization of adsorptions of impurity in liquid Matter conveying effect.Including the gas-liquid mixture fluid of micro-bubble includes industry and sanitary sewage disposal, rivers lake in many fields Water remediation, drink water purifying, aquaculture, agricultural plant cultivate the application with soil remediation, health medical treatment instrument etc. It has obtained more and more concerns and has paid attention to.

At present there are many make gas (for example, air, oxygen, ozone, carbon dioxide, hydrogen etc.) be dissolved in liquid (for example, Water, sewage, seawater, ethyl alcohol, beverage etc.) in manufacture with supply bubble technology, mainly include it is following several：1, pressurization decompression The molten gas outgassing method of formula, a kind of micro bubble apparatus as disclosed in the Chinese patent application No. is 201510493652.8, including molten gas Tank, being provided with one on dissolving can be relative to the tap that dissolving is rotated up and down, in the water outlet of the tap by main shaft Place is equipped with bubbler；Also reference can be made to a kind of rotary microbubble disclosed in Chinese patent application No. is 201510493679.7 Machine；2, venturi cavitation corrosion method, a kind of bubble generator, quilt as disclosed in the Chinese patent application No. is 201180003953.8 It is installed on pressure fluid supply member and by between the discharge component that liquid that the pressure fluid supply member supplies is discharged, and Minimum bubble is being generated from the liquid that the discharge component is discharged, by upstream side main body, flow divider, downstream side main body structure At the setting of, upstream side main body towards downstream side and the first flow path that narrows, flow divider are incorporated in first flow path and are arranged more A liquid-passing hole, downstream side main body are installed in upstream side main body, are arranged towards downstream side and the second flow path that broadens, and make the The dirty side end of one flow path it is opposite with the upper side end of second flow path to；3, Clothoid type mixing shearing, such as application No. is A kind of micro-bubble generator disclosed in 01810497.5 Chinese patent, the micro-bubble generator include that container, gas-liquid are led Enter hole and gas-liquid spray-hole, which there is the hollow portion formed in the way of keeping rotational symmetry substantially, the gas-liquid to import Hole tangential direction of the opening is open in the peripheral wall portion of container, the gas-liquid injection hole according to the direction of the rotation axes of symmetry along hollow portion Mode be arranged；Also reference can be made to a kind of micro-bubble generation device disclosed in Chinese patent application No. is 201180033648.3； 4, injecting type mixing shearing, a kind of micro bubble generation device as disclosed in the Chinese patent application No. is 200510028381.5, Cam is connected with a movement skeleton, and cloth gas chamber is equipped in mobile skeleton, and the top of cloth gas chamber and the top of mobile skeleton are set respectively There is a porous plate, cloth gas chamber is connected with mobile skeleton by jacking spring, and air enters cloth gas chamber by air inlet when use, It is respectively equipped with a porous plate on cloth gas chamber and skeleton, and this two porous plates is made to overlap, when one of porous plate is with frequently micro- The mode of displacement constantly hides, opens micropore, carries out high speed shear to air-flow, to cause bubble to become small, and is detached from porous plate rapidly Surface；Also reference can be made to a kind of disclosed in Chinese patent application No. is 200710028073.1 form micro air bubble in a liquid Method and apparatus.Alternatively, can also various combinations be carried out above-mentioned a few class basic fundamentals.

It is manufacturing with supply bubbler techniques, in order to dissolve a large amount of gas in a liquid as much as possible, is needing to make gas Body is in bubble regime, and keeps the diameter of bubble the smaller the better, with increase to the maximum extent gas and liquid contact area and Time of contact.But the micro-bubble generation device based on the prior art is difficult to largely efficiently manufacture the small gas of required nanoscale Bubble, it is difficult to meet double requirements of many occasions to number of bubbles (high void fraction) and bubble scale (nanoscale) simultaneously.

Utility model content

Technical problem to be solved in the utility model is in view of the above-mentioned problems of the prior art, providing a kind of bubble Maker can generate multiple dimensioned bubbles burst, and then generate a large amount of required micro-nano bubbles.

Technical solution is used by the utility model solves above-mentioned technical problem：A kind of bubble maker, including

Bubble emitting mechanism；

It is characterized in that：Further include

Accelerate swirl-flow premixed mechanism, it is described that swirl-flow premixed mechanism is accelerated to include premix chamber, it is mixed for the gas-liquid to inflow Interflow body accelerate mixing and turbulent shear, the premix chamber twist scroll casing type cavity；

Eddy flow mixed organization is turned to, includes premixing chamber, single outlet steering chamber with described, for by institute The fluid stated premix chamber and come carries out deflecting rotation mixing and turbulent shear that centripetal diameter flows to axis stream；

Diffusion eddy flow mixed organization includes the diffusion chamber with the steering chamber, for by the turn-around chamber Room and come fluid carry out axial-flow type rotary diffusing impingement mix and turbulent shear；

The bubble emitting mechanism and diffusion chamber.

Preferably, to make gas and liquid come into full contact with mixing, the axial cross section outer of the premix chamber is gradually The cross section that flows to of open auger line style or approximate involute spiral line type, the premix chamber is along the ladder for flowing to progressive contraction Shape, circle, pyriform or rectangle.

Preferably, the premix chamber has incoming import and radially outlet, outer and the axis of the incoming import It is tangentially connected to outside cross section, the radially outlet is connected to eddy flow mixed organization is turned to.

Suitable for different feed systems, to be provided with for supply gas near the incoming import of the premix chamber Admission gear, thus can carry out an aerating or secondary air compensating.

Preferably, there is the steering chamber radial inlet and first axis to export, the radial inlet and acceleration eddy flow Mechanism connection is premixed, the first axis outlet is connected to diffusion eddy flow mixed organization.

Preferably, the steering chamber includes two spaces curved surface：Constitute having from radial direction for the first axis outlet To the tubaeform first surface and Intermediate Gray spherical surface hill axially to smoothly transit, smooth plate-like that outer is circle the Two curved surfaces.

Strong turbulence shearing is rotated to further strengthen the acceleration to the gas-liquid two-phase fluid of incoming, it is described to turn to the of chamber At least two guide vanes for the steering of radial inflow runoff axis stream is provided on two curved surfaces.

To have preferable diffusion effect, the diffusion chamber that there is axial inlet and the second axial outlet, the diffusion Any axial cross section of chamber is circle, and the axial cross section of the diffusion chamber is near axial inlet along the second Axial-running Out Mouth direction has continuous or discrete gradual expansion, the axial cross section of the diffusion chamber attached in the second axial outlet Closely in an axial direction until the second axial outlet has continuous or discrete gradual contraction；The cross section of the axial inlet is Circle is connected with the first axis outlet for turning to eddy flow mixed organization, and the cross-sectional area of the axial inlet is more than etc. Cross-sectional area in first axis outlet, the described second axial outlet are connected to bubble emitting mechanism.

In order to further reinforce the strong turbulence shearing to gas-liquid two-phase fluid gas part, the diffusion eddy flow mixing Mechanism is at least two, and first diffusion eddy flow mixed organization is connected to eddy flow mixed organization is turned to, the last one diffusion eddy flow Mixed organization is connected to bubble emitting mechanism, and the second axial outlet of previous diffusion eddy flow mixed organization is adjacent with the latter The axial inlet of diffusion eddy flow mixed organization is connected.

Preferably, the bubble emitting mechanism is throttle nozzle, and the bubble emitting mechanism has jet expansion, described The exit orifice of one or more than one is offered on the cross section of jet expansion.

Compared with prior art, the utility model has the advantage of：By the acceleration for setting gradually spiral rotating acceleration It is mixed that swirl-flow premixed mechanism, radial inflow runoff axis stream turned to turns to eddy flow mixed organization, the diffusion eddy flow of axial-flow type expansion diffusion Mechanism is closed, the gas-liquid mixture fluid of inflow can successively be carried out to spiral rotating and accelerate mixing, radial inflow runoff axis rheology to rotation Turn to accelerate the multistage multiple dimensioned strong eddy flow turbulent flows such as mixing, axial-flow type expansion diffusion rotary impact mixing and throttling jet mixing Shearing with mix so that the gas part of the inflow gas-liquid mixture fluid is by alternate strong of the multiple dimensioned gas-liquid two-phase of multistage Turbulent shear, and then multistage multiple dimensioned bubbles burst is generated, generate a large amount of required micro-nano bubbles；It can take into account simultaneously to institute The dual requirements of the high void fraction and micro-bubble scale of gas-liquid mixture fluid are stated, and with compact-sized and energy-efficient spy Point.

Description of the drawings

Fig. 1 is the radial cross-section of bubble maker one embodiment of the utility model；

Fig. 2 is the axial sectional view of bubble maker one embodiment of the utility model；

Fig. 3 is the schematic diagram of the swirl-flow premixed mechanism of acceleration of the bubble maker of Fig. 1；

Fig. 4 is the cross-sectional view of the incoming import of the swirl-flow premixed mechanism of acceleration of the bubble maker of Fig. 1；

The swirl-flow premixed mechanism of acceleration that Fig. 5 is Fig. 3 flows to schematic cross-sectional view；

Fig. 6 is the radial cross-section of second embodiment of bubble maker of the utility model.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing embodiment.

Embodiment one

Referring to Fig. 1 and Fig. 2, a kind of bubble maker, the strong turbulence for having multistage multiple dimensioned gas-liquid two-phase alternate are cut Function is cut, the gas part in gas-liquid mixture fluid can be made to generate multistage multiple dimensioned bubbles burst, be suitable for high efficiency real estate Raw a large amount of required micro-nano bubbles.Fluid media (medium) is gas-liquid two-phase fluid-mixing, wherein common dissolved gas has but not Be limited to air, oxygen, ozone, carbon dioxide, hydrogen etc., it is common dissolve liquid have but be not limited to water, sewage, seawater, ethyl alcohol, Beverage etc..

The bubble maker of the present embodiment includes accelerating swirl-flow premixed mechanism 1, turning to eddy flow mixed organization 2, diffusion rotation Flow mixed organization 3 and bubble emitting mechanism 4.Hereinafter, it is not specifically stated, " axial direction " is the axial or parallel of premix chamber Direction, " radial direction " be premix chamber radial or parallel direction.

Referring to Fig. 3~Fig. 5, wherein gas-liquid mixture fluid of the swirl-flow premixed mechanism 1 for inflow is accelerated to carry out spiral shape Mixing, including premix chamber 11 are spun up, twist scroll casing type cavity, premix chamber 11 has incoming import 111, radial direction Outlet 112 and volute tongue portion 113.Incoming import 111 is used to be connected to external feed system, to be received from feed system by gas The fluid-mixing that body and liquid are constituted.The circular in cross-section of incoming import 111, trapezoidal or rectangle.Premix chamber 11 is used for will Spiral rotating is carried out by the gas-liquid mixture fluid that incoming import 111 flows into and accelerates mixing and turbulent shear, premixes chamber 11 Axial cross section outer 114 be involute spiral line type or approximate involute spiral line type, flowing to for premix chamber 11 is cross-section Face 115 (each section is denoted as III, IV, V, VI, VII, VIII, Ⅸ, Ⅹ, Ⅺ, Ⅻ) be along flow to progressive contraction it is trapezoidal, round, Pyriform or rectangle.The outer 1111 of incoming import 111 is connect with 114 tangent line of axial cross section outer.Radially outlet 112 is radial Outlet, band shaped opening, is used to be connected to steering eddy flow mixed organization 2 in a ring.

Alternatively, the fluid come from feed system can also be single-phase liquid.No matter incoming is that single-phase or two-phase is mixed Collaborate body, the admission gear 12 for supply gas is provided near the incoming import 111 of premix chamber 11, for once adding Gas or secondary air compensating.

It is single outlet mechanism to turn to eddy flow mixed organization 2, is turned to for carrying out radial inflow runoff axis stream to fluid, including turn To chamber 21, it is used for carrying out further deflecting rotation to the high speed rotation gas-liquid mixture fluid for accelerating swirl-flow premixed mechanism 1 to flow into Turn mixing and turbulent shear, while realizing that high speed rotation gas-liquid mixture fluid flow direction is flowed to the rotation steering of axis stream by centripetal diameter. Turning to chamber 21 has radial inlet 211 and first axis outlet 212, and it includes two spaces curved surface to turn to chamber 21：Constitute the One axial outlet 212 has from radial direction to the tubaeform first surface 213 and Intermediate Gray spherical surface hill axially to smoothly transit , outer be circle smooth plate-like the second curved surface 214.Radial inlet 211 is swirl-flow premixed with acceleration also in a ring with shaped opening The radially outlet 112 of mechanism 1 is connected, and receives by accelerating the fluid-mixing from swirl-flow premixed mechanism 1.First axis exports 212 cross section is circle, for being connected to diffusion eddy flow mixed organization 3.Accelerate the incoming import 111 of swirl-flow premixed mechanism 1 Center line pass through turn to chamber 21 axle center 215, the left side in axle center 215 or the right in axle center 215.

Diffusion eddy flow mixed organization 3 is used to carry out axial-flow type to fluid to expand diffusion, including diffusion chamber 31, is in cylinder Shape, diffusion chamber 31 have axial inlet 311 and the second axial outlet 312.Any axial cross section of diffusion chamber 31 is circle The axial cross section of shape, diffusion chamber 31 axially exports 312 directions with continuous or non-near axial inlet 311 along second The axial cross section of continuous gradual expansion, diffusion chamber 31 axially exports near 312 second in an axial direction until the second axis There is continuous or discrete gradual contraction to outlet 312.

The diffusion chamber 31 of above-mentioned this structure can carry out axis stream to the high speed rotation fluid from steering chamber 21 The rotary diffusing deceleration shock of formula mixes and turbulent shear, is sheared by manufacturing the alternate strong turbulence of gas-liquid two-phase, reaches generation The purpose of bubble.Due to the variation of flow channel cross-section product, after the incoming of axial-rotation enters diffusion chamber 31, speed will drop suddenly It is low, and pressure then significantly increases；Simultaneously as relatively large space and the relatively small discharge area of diffusion chamber 31, Cause the flow velocity on 312 sections of the second axial outlet very high, but in the later half of the diffusion chamber 31 close to the second axial outlet 312 Part, outlet is small, resistance is big, sluggish and sedimentation is generated to front incoming, from the high speed rotation incoming for turning to chamber 21 Rotary impact will be generated to the latter half of fluid of diffusion chamber 31 that is deposited in of relative low speeds, speed will significantly reduce and will Strong rotary impact immixture and the alternate strong turbulence shearing of gas-liquid two-phase are generated, and then leads to a large amount of bubbles bursts, and The unexpected raising of pressure then will accelerate and reinforce this bubbles burst process.

The cross section of axial inlet 311 is circle, is connected with the first axis outlet 212 for turning to eddy flow mixed organization 2, The cross-sectional area of axial inlet 311 is more than or equal to the cross-sectional area of first axis outlet 212.Second axial outlet 312 it is transversal Face is circle, for being connected to bubble emitting mechanism 4.

Bubble emitting mechanism 4 uses throttle nozzle in the present embodiment, it is preferred that for daraf(reciprocal of farad) your formula, venturi type or Straight pipe nozzle, bubble emitting mechanism 4 have jet expansion 41, open up on the cross section of jet expansion 41 there are one or are more than one A exit orifice.

In order to further reinforce the strong turbulence shearing to gas-liquid two-phase fluid gas part, can be mixed turning to eddy flow It closes between mechanism 2 and bubble emitting mechanism 4, more than one diffusion eddy flow mixed organization 3, previous diffusion eddy flow mixing is set The axial inlet 311 of the 312 diffusion eddy flow mixed organizations 3 adjacent with the latter of the axial outlet of the second of mechanism 3 is connected.

The gas-liquid mixture fluid of inflow is carried out spiral rotating acceleration and mixes, is centripetal by above-mentioned bubble maker successively Formula runoff axis rheology is multistage more to mixing, axial-flow type expansion diffusion rotary impact mixing and throttling jet mixing etc. is spun up The strong eddy flow turbulent shear of scale with mix.In above-mentioned whole flow process, the huge physical property gap between gas-liquid two-phase is utilized：Density Difference and viscosity are poor, use unexpected acceleration to two-phase fluid, spiral rotating, turn to rotation, rotary impact, slow down suddenly (suddenly Deceleration and suddenly acceleration, it is provided to the alternate strong turbulence of manufacture gas-liquid two-phase and shears, achieve the purpose that generation bubble), Pressurize suddenly and the throttling of outlet accelerate the physical processes such as decompression, purpose be provided in the alternate manufacturing speed difference of gas-liquid two-phase and Strong turbulence is sheared, and then the rupture for causing the multistage of bubble multiple dimensioned, a large amount of required micro-nano bubbles of manufacture production.

Embodiment two

Referring to Fig. 6, in the present embodiment, the difference is that, turning for eddy flow mixed organization 2 is turned to above-described embodiment one It is additionally provided with the guide vane 22 of at least two radial inflow runoff axis streams steering on the second curved surface 214 of chamber 21, thus may be used Further strengthen the rotation strong turbulence shearing of the acceleration to the gas-liquid two-phase fluid of incoming.

Preferably, each guide vane 22 is arranged evenly and at intervals in the circumferential.

Claims (10)

1. a kind of bubble maker, including bubble emitting mechanism (4)；

It is characterized in that：Further include

Accelerate swirl-flow premixed mechanism (1), it is described that swirl-flow premixed mechanism (1) is accelerated to include premix chamber (11), for inflow Gas-liquid mixture fluid accelerate mixing and turbulent shear, the premix chamber (11) twist scroll casing type cavity；

Eddy flow mixed organization (2) is turned to, includes steering chamber (21) be connected to the premix chamber (11), single outlet, uses In to carrying out deflecting rotation mixing and the turbulent shear that centripetal diameter flows to axis stream by the fluid premixed from chamber (11)；

Diffusion eddy flow mixed organization (3) includes the diffusion chamber (31) being connected to the steering chamber (21), for by described Turn to chamber (21) and the rotary diffusing impingement mix and turbulent shear of next fluid progress axial-flow type；

The bubble emitting mechanism (4) is connected to diffusion chamber (31).

2. bubble maker according to claim 1, it is characterised in that：The axial cross section of the premix chamber (11) Outer (114) is involute spiral line type or approximate involute spiral line type, and the premix chamber (11) flows to cross section (115) it is that edge flows to the trapezoidal, round of progressive contraction, pyriform or rectangle.

3. bubble maker according to claim 2, it is characterised in that：The premix chamber (11) has incoming import (111) it is cut with the axial cross section outer (114) with radially outlet (112), the outer (1111) of the incoming import (111) Line connects, and the radially outlet (112) is connected to eddy flow mixed organization (2) is turned to.

4. bubble maker according to claim 3, it is characterised in that：In the incoming import of the premix chamber (11) (111) nearby it is provided with the admission gear (12) for supply gas.

5. bubble maker according to claim 1, it is characterised in that：The steering chamber (21) has radial inlet (211) it is connected to first axis outlet (212), the radial inlet (211) with swirl-flow premixed mechanism (1) is accelerated, described first Axial outlet (212) is connected to diffusion eddy flow mixed organization (3).

6. bubble maker according to claim 5, it is characterised in that：The steering chamber (21) includes two spaces Curved surface：Constitute first axis outlet (212) has from radial direction to the tubaeform first surface axially to smoothly transit (213) and Intermediate Gray spherical surface hill, outer be circle smooth plate-like the second curved surface (214).

7. bubble maker according to claim 6, it is characterised in that：Second curved surface for turning to chamber (21) (214) at least two guide vanes (22) for the steering of radial inflow runoff axis stream is provided on.

8. bubble maker according to claim 5, it is characterised in that：The diffusion chamber (31) has axial inlet (311) and second axially exports (312), and any axial cross section of the diffusion chamber (31) is circle, the diffusion chamber (31) axial cross section nearby has along second axial outlet (312) direction continuous or discontinuous in axial inlet (311) Gradual expansion, the axial cross section of the diffusion chamber (31) is in the second axial outlet (312) nearby in an axial direction until the Two axial outlets (312) have continuous or discrete gradual contraction；The cross section of the axial inlet (311) is circle Shape, with it is described steering eddy flow mixed organization (2) first axis outlet (212) be connected, the axial inlet (311) it is transversal Area is more than or equal to the cross-sectional area of first axis outlet (212), the described second axial outlet (312) and bubble emitting mechanism (4) it is connected to.

9. bubble maker according to claim 8, it is characterised in that：The diffusion eddy flow mixed organization (3) is extremely Two few, first diffusion eddy flow mixed organization (3) is connected to eddy flow mixed organization (2) is turned to, the last one diffusion eddy flow is mixed Mechanism (3) is closed be connected to bubble emitting mechanism (4), previous diffusion eddy flow mixed organization (3) second it is axial export (312) and The axial inlet (311) of the adjacent diffusion eddy flow mixed organization (3) of the latter is connected.

10. according to bubble maker according to any one of claims 1 to 9, it is characterised in that：The bubble emitting mechanism (4) it is throttle nozzle, the bubble emitting mechanism (4) is with jet expansion (41), the cross section of the jet expansion (41) On offer the exit orifice of one or more than one.