CN108067108A - Liqiud-gas mixing device and its system - Google Patents

Liqiud-gas mixing device and its system Download PDF

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Publication number
CN108067108A
CN108067108A CN201611035922.1A CN201611035922A CN108067108A CN 108067108 A CN108067108 A CN 108067108A CN 201611035922 A CN201611035922 A CN 201611035922A CN 108067108 A CN108067108 A CN 108067108A
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CN
China
Prior art keywords
gas
liquid
liqiud
mixing
groove body
Prior art date
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Pending
Application number
CN201611035922.1A
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Chinese (zh)
Inventor
达里奥·卡洛玛利亚帕加尼
埃马努埃莱·拜欧
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Teda Co
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Teda Co
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Publication date
Application filed by Teda Co filed Critical Teda Co
Priority to CN201611035922.1A priority Critical patent/CN108067108A/en
Publication of CN108067108A publication Critical patent/CN108067108A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • B01F25/31232—Injector mixers in conduits or tubes through which the main component flows with Venturi elements; Details thereof with two or more Venturi elements used simultaneously
    • 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
    • B01F25/31243—Eductor or eductor-type venturi, i.e. the main flow being injected through the venturi with high speed in the form of a jet
    • 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
    • B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit

Abstract

The present invention proposes that a kind of Liqiud-gas mixing device includes a groove body and multiple Venturi tubes.Groove body has a liquid storage space and the inlet opening, an air admission hole and the tap that are communicated with liquid storage space.Wherein inlet opening receives a liquid, and air admission hole receives a gas.Multiple Venturi tubes are arranged in liquid storage space, and each Venturi tube includes a first input end, one second input terminal and an output terminal.Wherein first input end is communicated with inlet opening, and the second input terminal is communicated with air admission hole, so that gas mixing discharges one first mixing liquid in liquid, and via output terminal.Wherein the first mixing liquid discharges groove body via tap.Also disclose a kind of gas-fluid mixing systems simultaneously.

Description

Liqiud-gas mixing device and its system
Technical field
The present invention is related a kind of Liqiud-gas mixing device and its system, particularly a kind of gas-liquid mixed dress with Venturi tube It puts and its system.
Background technology
In many commercial Applications, often need some gases being dissolved or dispersed in liquid.Only most of gas is in water In dissolution rate it is usually very low, concentration is too low, is unable to reach required effect, if not therefore by special step, just can not As actual application.Therefore industry has very high demand for efficient Liqiud-gas mixing device always.Efficient gas-liquid Mixing arrangement tool is of use in many ways, and for example, high-density aquiculture needs higher oxygen and dense carbon dioxide with water Degree or the aeration program of wastewater treatment need to increase oxygen content.
To obtain higher gas dissolution rate, gas is usually penetrated into aperture using pumping and inputs in liquid to form gas Bubble so as to increasing the contact area of gas and liquid, and then improves dissolution rate.Or the methods of by temperature, increase pressure is reduced Also the dissolution rate of gas in water can be increased.Except aforesaid way, industry has been working hard research and development and increases in the range of reasonable cost Aerating body dissolution rate.
In conclusion the content for how effectively improving gas in liquid is the target that current pole need to make great efforts.
The content of the invention
The present invention provides a kind of Liqiud-gas mixing device, is external in outside a treatment trough, and is arranged at using multiple Venturi tubes In one groove body, so that a gas mixing is in a liquid, and one first mixing liquid is discharged to treatment trough.In addition, gas-liquid mixed fills A gas-fluid mixing systems can be formed with treatment trough, a pumping and a connecting piece by putting.The liquid of pumping transport process slot is to gas-liquid Mixing arrangement, to form a circulation waterway.Therefore, gas-fluid mixing systems can be completed repeatedly to mix in one cycle water route Journey, to effectively improve gas dissolution rate.
The Liqiud-gas mixing device of one embodiment of the invention includes a groove body and multiple Venturi tubes.Groove body has liquid storage sky Between and the inlet opening, an air admission hole and the tap that are communicated with liquid storage space.Wherein one liquid of inlet opening reception, and into Stomata receives a gas.Multiple Venturi tubes are arranged in liquid storage space, and each Venturi tube includes a first input end, one second defeated Enter end and an output terminal.Wherein first input end is communicated with inlet opening, and the second input terminal is communicated with air admission hole, so that gas Liquid is mixed in, and one first mixing liquid is discharged via output terminal.Wherein the first mixing liquid discharges groove body via tap.
The gas-fluid mixing systems of another embodiment of the present invention include a treatment trough, a Liqiud-gas mixing device, a pumping and One connecting piece.Treatment trough stores a liquid.Liqiud-gas mixing device includes a groove body and multiple Venturi tubes.Groove body has a liquid storage The space and inlet opening communicated with liquid storage space, an an air admission hole and tap.Wherein inlet opening receives a liquid, and Air admission hole receives a gas.Multiple Venturi tubes are arranged in liquid storage space, and each Venturi tube includes a first input end, one second Input terminal and an output terminal.Wherein first input end is communicated with inlet opening, and the second input terminal is communicated with air admission hole, so that gas Body is mixed in liquid, and discharges one first mixing liquid via output terminal.Wherein the first mixing liquid discharges slot via tap Body.Pumping connects with the inlet opening for the treatment of trough and Liqiud-gas mixing device, and pumping conveys liquid to groove body.Connecting piece includes one First end and a second end.First end connects with the tap of groove body, and second end is arranged in treatment trough.Preferably, gas Liquid mixing system further includes a first sleeve, is sheathed on the outside of the nozzle to connect with connecting piece, and the internal diameter of first sleeve More than the outer diameter of nozzle, to form one first imbibition through hole between the inner wall of first sleeve and the outer wall of nozzle, wherein first Casing mixes the first mixing liquid from nozzle and the liquid from the first imbibition through hole, to discharge one second mixing liquid to place Manage slot.
Description of the drawings
For the above objects, features and advantages of the present invention can be clearer and more comprehensible, below in conjunction with attached drawing to the tool of the present invention Body embodiment elaborates, wherein：
Fig. 1 is a schematic diagram, shows the gas-fluid mixing systems of one embodiment of the invention.
Fig. 2 is a schematic diagram, shows the part-structure of the Liqiud-gas mixing device of one embodiment of the invention.
Fig. 3 is a schematic diagram, shows top view of the Liqiud-gas mixing device of one embodiment of the invention along AA ' line segments.
Fig. 4 is a schematic diagram, shows the Venturi tube of the Liqiud-gas mixing device of one embodiment of the invention.
Fig. 5 is a schematic diagram, shows the casing of the gas-fluid mixing systems of one embodiment of the invention.
Fig. 6 is a schematic diagram, shows the cleaning water route of the gas-fluid mixing systems of one embodiment of the invention.
Component label instructions are as follows in figure：
AA ' hatchings
G gases
L liquid
V1, V2, V3, V4 valve
1 Liqiud-gas mixing device
10 groove bodies
11 liquid storage spaces
12 inlet openings
13 air admission holes
14 taps
15 Venturi tubes
151 first input ends
152 second input terminals
153 output terminals
16 liquid supply pipes
17 air supply pipes
18 gas storage spaces
19 backwash holes
2 treatment troughs
3 pumpings
4 connecting pieces
41 first ends
42 second ends
43 first sleeves
430 first imbibition through holes
44 nozzles
45 second casings
450 second imbibition through holes
Specific embodiment
It will be described various embodiments of the present invention below, and coordinate attached drawing as illustration.In addition to these detailed descriptions, this Invention also can be widely performed in other embodiments, and replacement easily, modification, the equivalence changes of any embodiment are all wrapped Containing within the scope of the invention, and it is subject to claim.In the description of specification, in order to which reader is made to have the present invention More completely understand, provide many specific details；However, the present invention may be in clipped or the premise of whole specific details Under, can still it implement.Moreover, it is well known that the step of or element be not described in details, to avoid to the present invention formed need not The limitation wanted.Same or similar element will be represented with same or like symbol in attached drawing.It is specifically intended that attached drawing is only Signal is used, not the size or quantity of representation element reality, some details may not drawn completely, in the hope of the succinct of attached drawing.
Please with reference to Fig. 1 and Fig. 2, the Liqiud-gas mixing device 1 of one embodiment of the invention includes a groove body 10 and multiple Venturi tube 15.Groove body 10 has a liquid storage space 11, an inlet opening 12, an air admission hole 13 and a tap 14, and liquid storage is empty Between 11 be connected with inlet opening 12, air admission hole 13 and tap 14.Wherein, inlet opening 12 receives the liquid from treatment trough 2 Body L, and air admission hole 13 receives a gas G.
In an embodiment, gas G can be air, oxygen and ozone at least one.It is understood that gas G also can be gas-pressurized, and for example, gas G can be pressurized oxygen, pressurized ozone or other pressurized processing gas, But not limited to this.In an embodiment, liquid L is a waste water.In embodiment shown in FIG. 1, inlet opening 12 and air inlet Hole 13 is arranged at the top of groove body 10, so that liquid L and gas G are from top to bottom inputted to groove body 10, but not limited to this, feed liquor Hole 12 and air admission hole 13 also may be disposed at the side of groove body 10.
Please with reference to Fig. 1 to Fig. 4, multiple Venturi tubes 15 are arranged in liquid storage space 11.Each Venturi tube 15 includes one First input end 151, one second input terminal 152 and an output terminal 153, wherein first input end 151 are communicated with inlet opening 12, And second input terminal 152 communicated with air admission hole 13.
Fig. 3 is refer to, shows top view of the Liqiud-gas mixing device 1 of Fig. 2 along AA ' line segments, in an embodiment, gas-liquid Mixing arrangement 1 further includes a liquid supply pipe 16.Liquid supply pipe 16 is communicated with inlet opening 12, and liquid supply pipe 16 receives liquid L, plurality of The first input end 151 of Venturi tube 15 connects with liquid supply pipe 16.Preferably, Liqiud-gas mixing device 1 further include multiple air supply pipes 17. Multiple air supply pipes 17 are communicated with air admission hole 13, and multiple air supply pipes 17 receive gas G, wherein each air supply pipe 17 and multiple Wens Second input terminal 152 of pipe 15 connects.In an embodiment, multiple Venturi tubes 15 are arranged radially in liquid supply pipe 16, make The first mixing liquid that two input terminals 152 are discharged is flow in groove body 10.Fig. 2 is refer to, in an embodiment, groove body 10 more wraps Containing a gas storage space 18, be arranged between air admission hole 13 and multiple air supply pipes 17, and gas storage space 18 and air admission hole 13 and Multiple air supply pipes 17 communicate.According to this structure, gas G enters gas storage space 18 via the air admission hole 13 of groove body 10, then via more A air supply pipe 17 inputs Venturi tube 15.
Fig. 1 and Fig. 4 is continued referring to, each Venturi tube 15 makes gas G be mixed with liquid L, and is discharged via output terminal 153 One first mixing liquid.Then, the first mixing liquid discharges groove body 10 via tap 14.Fig. 1 and Fig. 2 is continued referring to, in In one embodiment, multiple Venturi tubes 15 receive the waste water L from inlet opening 12, and through the sucking of Wen Tuli effects from air admission hole 13 gas G so that gas G is mixed with liquid L, and discharges one first mixing liquid.In an embodiment, the first mixing liquid Density be less than 0.5kg/dm3。
Since the Liqiud-gas mixing device of the present invention is to be arranged at using multiple Venturi tubes in a groove body, by Wen Tuli effects The gas in multiple Venturi tubes is made to be mixed with liquid, and the solubility of mixed gas reaches its saturation journey in the first mixing liquid Degree, therefore generated first mixing liquid is actually the foam-like liquid rich in bubble.In an embodiment, multiple Wens The first mixing liquid (foam-like liquid) that pipe 15 is discharged will be collected in liquid storage space 11, and tap 14 is arranged at groove body 10 first half, so that the first mixing liquid (foam-like liquid) discharges groove body 10 via tap 14.Continue referring to Fig. 1, In an embodiment, Liqiud-gas mixing device 1 also includes a pumping 3.Pumping 3 and treatment trough 2 and the feed liquor of Liqiud-gas mixing device 1 Hole 12 connects, and pumping 3 conveys liquid L to groove body 10.Therefore, the first mixing liquid discharges the liquid of groove body 10 via tap 14 Body flow velocity is to be determined by pumping 3 for the liquid L hydraulic pressure applied.In an embodiment, pumping 3 can be a Submersible Pump Pu, It is arranged at treatment trough 2, but not limited to this.In an embodiment, pumping 3 can be a Water pump, be arranged at treatment trough 2 It is external.
Fig. 1 is continued referring to, illustrates the gas-fluid mixing systems of one embodiment of the invention below.The gas-liquid mixed of the present invention System includes a Liqiud-gas mixing device 1, a treatment trough 2, a pumping 3 and a connecting piece 4.Treatment trough 2 stores a pending liquid Body L, such as waste water.Pumping 3 connects with the inlet opening 12 for the treatment of trough 2 and Liqiud-gas mixing device 1, and pumping 3 conveys liquid L extremely The groove body 10 of Liqiud-gas mixing device 1.Liqiud-gas mixing device 1 includes a groove body 10 and multiple Venturi tubes 15.Related gas-liquid mixed dress The technical characteristic of each constituent element and its interconnected relation and related embodiment in 1 are put, it has been observed that this is repeated no more.
In an embodiment, connecting piece 4 includes a first end 41 and a second end 42.First end 41 and the row of groove body 10 Portal and 14 connect, and second end is arranged in treatment trough 2.In an embodiment, the first end 41 of connecting piece 4 is higher than second end 42, therefore its potential energy can be converted into kinetic energy, make the second output by gravity into the first mixing liquid of first end 41 First mixing liquid of 42 discharge of end has an acceleration and pressure differential.
In an embodiment, Liqiud-gas mixing device 1 is set up in parallel with treatment trough 2, can reduce work done needed for pumping 3, to reach The effect of energy saving.It is understood that if treatment trough 2 is bulky, even if the bottom of Liqiud-gas mixing device 1 and treatment trough 2 bottom is contour, but the surface of liquid L will be above the top of Liqiud-gas mixing device 1 in treatment trough 2, can be pressed by pumping 3 Power puts the first mixing liquid in groove body 10 in treatment trough 2 via the conveying of connecting piece 4.In an embodiment, the first mixed liquor Body in 42 mouthfuls of the second output terminal in the groove body 10 and in connecting piece 4 between hydraulic pressure difference between 0.2 to 0.5 bar (bar).With logical Normal skill is when can voluntarily modify conversion, and but not limited to this.
Please with reference to Fig. 1 and Fig. 5, in an embodiment, gas-fluid mixing systems also comprising a first sleeve 43, are arranged In 44 outside of a nozzle to connect with connecting piece 4, and the internal diameter of first sleeve 43 is more than the outer diameter of nozzle 44, in first sleeve One first imbibition through hole 430 is formed between 43 inner wall and the outer wall of nozzle 44.When the first mixing liquid with higher flow velocity from Wen Tuli effects are generated when nozzle 44 flows out, liquid L is made to be sucked from the first imbibition through hole 430 in first sleeve 43, and with the One mixing liquid mixes, to discharge one second mixing liquid to treatment trough 2.
Preferably, the internal diameter of nozzle 44 are less than the internal diameter of second end 42, will accelerate the flow velocity of the second mixing liquid, through text Effect promotes the in vivo gas of the first mixed liquor to be filled with liquid L to enhance suction of the first imbibition through hole 430 to liquid L in soil Divide mixing.In an embodiment, the nozzle bore of suitable shape is selected for nozzle 44, it is mixed can to determine that nozzle 44 discharges first Close the flow velocity or pressure of liquid.Therefore, by the flow velocity of regulation and control pumping 3 and the design in selected appropriate 44 aperture of nozzle, you can Control the first mixing liquid in the groove body 10 compared with the hydraulic pressure difference between 42 mouthfuls of second output terminal between 0.2 to 0.5 bar (bar). Tool usually intellectual is when can voluntarily modify conversion, and but not limited to this.
In an embodiment, gas-fluid mixing systems also comprising one second casing 45, are sheathed on 43 outside of first sleeve, and The internal diameter of second casing 45 is more than the outer diameter of first sleeve 43, with the outer wall of the inner wall of the second casing 45 and first sleeve 43 it Between formed one second imbibition through hole 450.Likewise, when the second mixing liquid is flowed out with higher flow velocity from first sleeve 43 Wen Tuli effects are generated, liquid L is made to be sucked from the second imbibition through hole 450 in the second casing 45, and are mixed with the second mixing liquid, To discharge one the 3rd mixing liquid to treatment trough 2.In an embodiment, multiple Venturi tube 15 mixed gas G and liquid L are with shape It is less than 0.5kg/dm into density3The first mixing liquid, then act on, mix via first sleeve and the Wen Tuli effects of the second casing The liquid in the first mixing liquid and treatment trough is closed, to form density more than 0.5kg/dm3One the 3rd mixing liquid.
It should be noted that the liquid of 3 transport process slot 2 of pumping include the 3rd mixing liquid to Liqiud-gas mixing device 1 into Fluid apertures 12, to form a circulation waterway.Therefore, gas-fluid mixing systems complete multiple gas-liquid mixed mistake in one cycle water route Journey, then foregoing gas-liquid mixing process is repeated via pumping 3, it is sufficiently mixed the liquid L in gas G and treatment trough 2, effectively to carry High gas dissolution rate.
Please with reference to Fig. 2 and Fig. 6, illustrate the cleaning water route of the Liqiud-gas mixing device of one embodiment of the invention below, To remove the impurity or foreign matter accumulated in multiple Venturi tubes 15.In an embodiment, the groove body 10 of Liqiud-gas mixing device 1 also wraps Containing a backwash holes 19.Backwash holes 19 clean water route through outside one and connect with pumping 3, to clean multiple Venturi tubes 15.Preferably, Backwash holes 19 are arranged at the lower half of groove body 10.It is understood that the Liqiud-gas mixing device 1 under operating mode is to open V2 valves and V4 valves, and V1 valves and V3 valves are closed, to carry out gas-liquid mixing process；And the Liqiud-gas mixing device under cleaning model 1 is to open V1 valves and V3 valves, and closes V2 valves and V4 valves, and closes air admission hole 13, to carry out cleaning returning for multiple Venturi tubes 15 Wash journey.For example, treatment trough stores a liquid L, and pumping 3 makes the liquid L for the treatment of trough, passes through the input of backwash holes 19 to storage Liquid space 11 enters back into the output terminal 153 of multiple Venturi tubes 15, to clean the impurity or different accumulated in multiple Venturi tubes 15 Object.Then, liquid L flows into liquid supply pipe 16 under the pressurization of pumping 3 via first input end 151, and groove body is discharged from inlet opening 12 10, finally return to treatment trough 2.
Summary, Liqiud-gas mixing device of the invention are to be arranged at using multiple Venturi tubes in a groove body, multiple Wens Pipe mixes a gas and a liquid, and discharges one first mixing liquid to groove body, wherein the first mixing liquid is via a discharge Discharge groove body in hole.For example, multiple Venturi tubes receive the waste water from treatment trough, and through the sucking of Wen Tuli effects from outer The air in portion so that air is dissolved in waste water, and discharges one first mixing liquid, and the density of the first mixing liquid is less than 0.5kg/dm3.In addition, Liqiud-gas mixing device can form a gas-fluid mixing systems with treatment trough, a pumping and a connecting piece.Compared with Good person, for gas-fluid mixing systems also comprising a first sleeve and the second casing, first sleeve is sheathed on one to connect with connecting piece On the outside of nozzle, and the second casing is sheathed on the outside of first sleeve, and wherein first sleeve is mixed through Wen Tuli effects mixing first Liquid and liquid are closed, to discharge one second mixing liquid, then, the second casing mixes the second mixed liquor through Wen Tuli effects Body and liquid, to discharge one the 3rd mixing liquid to treatment trough, and the liquid of pumping transport process slot is to Liqiud-gas mixing device Inlet opening, to form a circulation waterway.Therefore, gas-fluid mixing systems complete multiple gas-liquid mixed in one cycle water route Process, then foregoing gas-liquid mixing process is repeated via pumping, it is sufficiently mixed the liquid of extraneous gas and treatment trough, effectively to carry High gas dissolution rate.
Although the present invention is disclosed as above with preferred embodiment, however, it is not to limit the invention, any this field skill Art personnel, without departing from the spirit and scope of the present invention, when can make a little modification and it is perfect, therefore the present invention protection model It encloses to work as and is subject to what claims were defined.

Claims (28)

1. a kind of Liqiud-gas mixing device, which is characterized in that include：
One groove body has a liquid storage space and the inlet opening, an air admission hole and the tap that are communicated with the liquid storage space； Wherein the inlet opening receives a liquid, and the air admission hole receives a gas；And
Multiple Venturi tubes are arranged in the liquid storage space, each Venturi tube include a first input end, one second input terminal with And an output terminal, the wherein first input end is communicated with the inlet opening, and second input terminal is communicated with the air admission hole, so that should Gas mixing discharges one first mixing liquid in the liquid, and via the output terminal, and wherein first mixing liquid is via the row Portal and discharge the groove body.
2. Liqiud-gas mixing device as described in claim 1, which is characterized in that the inlet opening and the air admission hole are arranged at the slot The top of body.
3. Liqiud-gas mixing device as described in claim 1, which is characterized in that the tap is arranged at the first half of the groove body.
4. Liqiud-gas mixing device as described in claim 1, which is characterized in that a liquid supply pipe is further included, is communicated with the inlet opening, To receive the liquid, wherein the first input end of the plurality of Venturi tube connects with the liquid supply pipe.
5. Liqiud-gas mixing device as described in claim 1, which is characterized in that multiple air supply pipes are further included, with the air admission hole phase It is logical, to receive the gas, wherein each air supply pipe connects with second input terminal of the plurality of Venturi tube.
6. Liqiud-gas mixing device as claimed in claim 5, which is characterized in that the groove body further includes a gas storage space, is arranged at Between the air admission hole and the plurality of air supply pipe, and the gas storage space is communicated with the air admission hole and the plurality of air supply pipe.
7. Liqiud-gas mixing device as described in claim 1, which is characterized in that the density of first mixing liquid is less than 0.5kg/ dm3。
8. Liqiud-gas mixing device as described in claim 1, which is characterized in that the groove body further includes a backwash holes, to connect Water route is cleaned in outside one, to clean the plurality of Venturi tube.
9. Liqiud-gas mixing device as claimed in claim 8, which is characterized in that the backwash holes are arranged at the lower half of the groove body.
10. Liqiud-gas mixing device as described in claim 1, which is characterized in that the gas includes air, oxygen and ozone extremely It is one of few.
11. Liqiud-gas mixing device as described in claim 1, which is characterized in that the liquid is a waste water.
12. a kind of gas-fluid mixing systems, which is characterized in that include：
One treatment trough, to store a liquid；
One Liqiud-gas mixing device, it includes：
One groove body has a liquid storage space and the inlet opening, an air admission hole and the tap that are communicated with the liquid storage space It communicates；Wherein the inlet opening receives the liquid, and the air admission hole receives a gas；And
Multiple Venturi tubes are arranged in the liquid storage space, each Venturi tube include a first input end, one second input terminal with And an output terminal, the wherein first input end is communicated with the inlet opening, and second input terminal is communicated with the air admission hole, so that should Gas mixing discharges one first mixing liquid in the liquid, and via the output terminal, and wherein first mixing liquid is via the row Portal and discharge the groove body；
One pumping connects with the inlet opening of the treatment trough and the Liqiud-gas mixing device, to convey the liquid to the groove body； And
One connecting piece, it includes：
One first end connects with the tap of the groove body；And
One second end is arranged in the treatment trough.
13. gas-fluid mixing systems as claimed in claim 12, which is characterized in that the inlet opening and the air admission hole are arranged at this The top of groove body.
14. gas-fluid mixing systems as claimed in claim 12, which is characterized in that the tap is arranged at the upper half of the groove body Portion.
15. gas-fluid mixing systems as claimed in claim 12, which is characterized in that the first end of the connecting piece higher than this second End.
16. gas-fluid mixing systems as claimed in claim 12, which is characterized in that the Liqiud-gas mixing device and the treatment trough are arranged side by side It sets.
17. gas-fluid mixing systems as claimed in claim 12, which is characterized in that the Liqiud-gas mixing device includes a liquid supply pipe, It is communicated with the inlet opening, to receive the liquid, wherein the first input end of the plurality of Venturi tube connects with the liquid supply pipe.
18. gas-fluid mixing systems as claimed in claim 12, which is characterized in that the Liqiud-gas mixing device includes multiple supply Pipe, communicates with the air admission hole, to receive the gas, wherein second input terminal of each air supply pipe and the plurality of Venturi tube Connect.
19. gas-fluid mixing systems as claimed in claim 18, which is characterized in that the groove body of the Liqiud-gas mixing device further includes One gas storage space is arranged between the air admission hole and the plurality of air supply pipe, and the gas storage space and the air admission hole and the plurality of Air supply pipe communicates.
20. gas-fluid mixing systems as claimed in claim 12, which is characterized in that further include a first sleeve, be sheathed on On the outside of the nozzle that the connecting piece connects, and the internal diameter of the first sleeve is more than the outer diameter of the nozzle, in the first sleeve Form one first imbibition through hole between inner wall and the outer wall of the nozzle, wherein first sleeve mixing from the nozzle this is first mixed Liquid and the liquid from the first imbibition through hole are closed, to discharge one second mixing liquid to the treatment trough.
21. gas-fluid mixing systems as claimed in claim 20, which is characterized in that further include one second casing, be sheathed on this On the outside of first sleeve, and the internal diameter of second casing is more than the outer diameter of the first sleeve, in the inner wall of second casing and this Form one second imbibition through hole between the outer wall of first sleeve, wherein second casing mixing from the first sleeve this is second mixed Liquid and the liquid from the second imbibition through hole are closed, to discharge one the 3rd mixing liquid to the treatment trough.
22. gas-fluid mixing systems as claimed in claim 20, which is characterized in that the internal diameter of the nozzle is less than the interior of the second end Footpath.
23. gas-fluid mixing systems as claimed in claim 21, which is characterized in that the density of the 3rd mixing liquid is more than 0.5kg/dm3。
24. gas-fluid mixing systems as claimed in claim 12, which is characterized in that the density of first mixing liquid is less than 0.5kg/dm3。
25. gas-fluid mixing systems as claimed in claim 12, which is characterized in that the groove body of the Liqiud-gas mixing device further includes One backwash holes clean water route, to clean the plurality of Venturi tube to connect outside one.
26. gas-fluid mixing systems as claimed in claim 25, which is characterized in that the backwash holes of the Liqiud-gas mixing device are set In the lower half of the groove body.
27. gas-fluid mixing systems as claimed in claim 13, which is characterized in that the gas includes air, oxygen and ozone At least one.
28. gas-fluid mixing systems as claimed in claim 13, which is characterized in that the liquid is a waste water.
CN201611035922.1A 2016-11-15 2016-11-15 Liqiud-gas mixing device and its system Pending CN108067108A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109499411A (en) * 2019-01-14 2019-03-22 西安交通大学 It is a kind of can secondary mixed Venturi tube

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140339715A1 (en) * 2012-02-06 2014-11-20 Jack David Collins Mixing Apparatus

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140339715A1 (en) * 2012-02-06 2014-11-20 Jack David Collins Mixing Apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109499411A (en) * 2019-01-14 2019-03-22 西安交通大学 It is a kind of can secondary mixed Venturi tube
CN109499411B (en) * 2019-01-14 2024-02-02 西安交通大学 Venturi tube capable of being secondarily mixed

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