CN107261873A - A kind of pipeline fluid mixer structure - Google Patents
A kind of pipeline fluid mixer structure Download PDFInfo
- Publication number
- CN107261873A CN107261873A CN201710488202.9A CN201710488202A CN107261873A CN 107261873 A CN107261873 A CN 107261873A CN 201710488202 A CN201710488202 A CN 201710488202A CN 107261873 A CN107261873 A CN 107261873A
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- CN
- China
- Prior art keywords
- fluid
- export
- inner chamber
- port
- blender
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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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
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/10—Mixing gases with gases
-
- 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
- B01F25/311—Injector mixers in conduits or tubes through which the main component flows for mixing more than two components; Devices specially adapted for generating foam
-
- 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
- B01F25/32—Injector mixers wherein the additional components are added in a by-pass of the main flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K5/00—Feeding or distributing other fuel to combustion apparatus
- F23K5/002—Gaseous fuel
- F23K5/007—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F2101/00—Mixing characterised by the nature of the mixed materials or by the application field
- B01F2101/501—Mixing combustion ingredients, e.g. gases, for burners or combustion chambers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
A kind of pipeline fluid mixer structure, including main fluid conduit, blender body, main fluid conduit includes the main fluid arrival end being sequentially communicated, inner chamber, the fluid-mixing port of export, blender body includes the secondary fluid inlet end being sequentially communicated, blender cavity, the port of export, in the inner chamber that the port of export stretches into main fluid conduit by the side wall of main fluid conduit, and offer primary fluid inlet on the tube wall of the port of export, multiple side through holes for being used to discharge premixed flow, primary fluid inlet is set towards main fluid arrival end, inwall of the side through hole towards inner chamber sets and is distributed the both sides of primary fluid inlet.Not only the pressure loss is small by the design, processing cost is low, and mixing efficiency is high.
Description
Technical field
The invention belongs to fluid mixing techniques field, and in particular to a kind of pipeline fluid mixer structure, it is adaptable to combustion gas,
The mixing of the gases such as EGR or other fluids.
Background technology
Flow mixer is mainly used in required ratio being mixed two kinds of fluids as homogeneously as possible, such as uses
In the air and combustion gas mixing, the air of diesel engine or gasoline engine and EGR gas mixings of gas engine.For pipeline fluid mixer
For, because flow, flow velocity and pressure are different between the different fluid from different pipelines, therefore in mutual influence
Under easily cause mixing it is uneven, flow velocity, instability of flow etc. influence mixing efficiency situation.
Chinese patent：Authorization Notice No. is CN203452934U, and authorized announcement date is the utility model of on 2 26th, 2014
Patent is disclosed in the EGR mixer that a kind of waste gas recycles Diesel engine, including mixer cavity and blender, blender
One end of chamber is natural air inlet port, and the other end of mixer cavity is gaseous mixture outlet, and the annular of the blender is outer
Uniform on wall to offer blender hole, blender hole is the array hole of tilt distribution.The structure is by opening up a large amount of array holes, phase
Hope tube fluid uniformly can be flowed out by each array hole, improve mixture homogeneity.But, further study showed that, in supervisor
Under the fluid matasomatism of road, a large amount of main fluids can enter in mixer tube from array hole, fluid to be mixed in impingement mix device so that treat
Fluid-mixing is assembled, so as to cause mixing efficiency relatively low.In addition, from the point of view of machining angle, a large amount of array holes cause difficulty of processing
Increase, processing capacity and processing charges also can substantially increase.
The content of the invention
The purpose of the present invention is that the pressure loss for overcoming prior art to exist is big, mixed effect is poor, high processing costs asked
There is provided the pipeline fluid mixer structure that a kind of pressure loss is small, mixing efficiency is high and processing cost is low for topic.
To realize object above, technical scheme is as follows：
A kind of pipeline fluid mixer structure, including main fluid conduit, blender body, the main fluid conduit include main fluid
Arrival end, the fluid-mixing port of export, secondary fluid inlet end that the blender body includes being sequentially communicated, blender cavity, go out
In mouth end, the inner chamber that the port of export stretches into main fluid conduit by the side wall of main fluid conduit, and on the tube wall of blender body
Offer connection blender cavity, the primary fluid inlet of inner chamber；
The primary fluid inlet is set towards main fluid arrival end, is offered on the tube wall of the port of export multiple pre- for discharging
The side through hole of mixed flow body, the side through hole sets towards the inwall of inner chamber and is distributed in the both sides of primary fluid inlet.
The multiple side through-hole structure is consistent, and uniformly, be symmetrically distributed in the both sides of primary fluid inlet.
The primary fluid inlet includes being located at the hatch frame above the through hole of side, and the hatch frame prolongs for poroid or radial direction
The square slot structure stretched.
Primary fluid inlet includes poroid portion, square groove portion, and the poroid portion is located at the top of side through hole, the square groove
The top in portion is communicated with the bottom in poroid portion, and the bottom of square groove portion axially extends to the end of the nearly port of export.
The primary fluid inlet is square slot structure, and its top is located at the top of side through hole, and bottom is axially extended to closely
End.
The blender body extend into the part of inner chamber height be more than inner chamber radius, the blender cavity it is interior
Footpath is less than or equal to the internal diameter of inner chamber.
The angle that the axis of the blender body and the axis of main fluid conduit are formed is 45 °~90 °.
Compared with prior art, beneficial effects of the present invention are：
1st, primary fluid inlet is set towards main fluid arrival end in a kind of pipeline fluid mixer structure of the invention, the pipe of the port of export
Multiple side through holes for being used to discharge premixed flow are offered on wall, side through hole sets and is distributed in towards the inwall of inner chamber
The both sides of primary fluid inlet, i.e., be arranged on the both sides of blender body, the design introduces premix plan by the outlet of premixed flow
Slightly, headed in main flow and open up primary fluid inlet, can entered in mixer chamber body by the kinetic energy of main fluid itself and time fluid
Carry out being mixed to form premixed flow for the first time, subsequent premixed flow changes flowing side under the baffle effect of blender cavity inner wall
To being flowed into by the side through hole of blender body both sides and carry out second with main fluid in the inner chamber of main fluid conduit and mix, most
Flowed out by by the fluid-mixing port of export, mixing efficiency can not only be significantly improved, and the pressure loss of whole process is small, add
Work cost is lower, meanwhile, the design adds the decentralization of premixed flow outflow using the measure of lateral opening hole, further improves
Mixing efficiency.Therefore, not only the pressure loss is small, processing cost is low by the present invention, and mixing efficiency is high.
2nd, primary fluid inlet includes being located at the opening above the through hole of side in a kind of pipeline fluid mixer structure of the invention
Structure, the design, can be in the feelings for not influenceing lateral incision to open up space by setting up main fluid entrance in the upstream of side through hole
The area of primary fluid inlet is increased under condition, main fluid and the premixing effect of time fluid is effectively improved.Therefore, the present invention can be obtained
More excellent premixing effect.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Fig. 2 is Fig. 1 A direction views.
Fig. 3 is the structural representation of blender body in embodiment 1.
Fig. 4 is Fig. 3 A direction views.
Fig. 5 is the structural representation of blender body in embodiment 2.
Fig. 6 is Fig. 5 A direction views.
Fig. 7 is the structural representation of blender body in embodiment 3.
Fig. 8 is Fig. 7 A direction views.
Fig. 9 is the structural representation of blender body in embodiment 4.
Figure 10 is Fig. 9 A direction views.
In figure：Main fluid conduit 1, main fluid arrival end 11, the fluid-mixing port of export 12, inner chamber 13, blender body 2,
Secondary fluid inlet end 21, blender cavity 22, the port of export 23, primary fluid inlet 231, side through hole 232, end face 233, poroid portion
3rd, square groove portion 4.
Embodiment
The present invention is further detailed explanation with embodiment for explanation below in conjunction with the accompanying drawings.
Referring to Fig. 1 to Figure 10, a kind of pipeline fluid mixer structure, including main fluid conduit 1, blender body 2, it is described
Main fluid conduit 1 includes main fluid arrival end 11, the fluid-mixing port of export 12, and the blender body 2 includes what is be sequentially communicated
Secondary fluid inlet end 21, blender cavity 22, the port of export 23, the port of export 23 stretch into main flow by the side wall of main fluid conduit 1
Connection blender cavity 22, the main fluid of inner chamber 13 are offered in the inner chamber 13 of body pipeline 1, and on the tube wall of blender body 2
Import 231；
The primary fluid inlet 231 is set towards main fluid arrival end 11, and multiple use are offered on the tube wall of the port of export 23
In the side through hole 232 of discharge premixed flow, the side through hole 232 sets towards the inwall of inner chamber 13 and is distributed in main flow
The both sides of body import 231.
The multiple structure of side through hole 232 is consistent, and uniformly, be symmetrically distributed in the both sides of primary fluid inlet 231.
The primary fluid inlet 231 includes the opening knot positioned at a lateral incision 232 and No. two tops of lateral incision 233
Structure, the hatch frame is square slot structure that is poroid or radially extending.
Primary fluid inlet 231 includes poroid portion 3, square groove portion 4, and the poroid portion 3 is located at the top of side through hole 232,
The top of the square groove portion 4 is communicated with the bottom in poroid portion 3, and the bottom of square groove portion 4 axially extends to the nearly port of export 23
At end face 233.
The primary fluid inlet 231 is square slot structure, and its top is located at the top of side through hole 232, and bottom is axially prolonged
Extend at proximal end face 233.
The blender body 2 extend into radius of the height more than inner chamber 13 of the part of inner chamber 13, the mixer chamber
The internal diameter of body 22 is less than or equal to the internal diameter of inner chamber 13.
The angle that the axis of the blender body 2 is formed with the axis of main fluid conduit 1 is 45 °~90 °.
The principle of the present invention is described as follows：
The present invention proposes a kind of small pressure loss, good mixing effect and pipeline fluid mixer structure simple in construction, passes through
The form that premix strategy is combined with lateral opening hole, not only changes flow path and the direction of premixed flow, adds main flow
Body and time fluid time that progress first time mixes in blender cavity 22, mixing efficiency is effectively increased, and side is opened
Hole can increase the decentralization that premixed flow flows out in blender, further improve mixing efficiency.Meanwhile, it is of the invention by blender
The direction of insertion of body 1 and the flow direction of main fluid are controlled in the range of certain angle, are advantageously reduced in blender cavity 22
The flowing of secondary fluid.
Embodiment 1：
Referring to Fig. 1 to Fig. 4, a kind of pipeline fluid mixer assembly, including main fluid conduit 1, blender body 2, the main flow
Body pipeline 1 includes main fluid arrival end 11, inner chamber 13, the fluid-mixing port of export 12 being sequentially communicated, and the blender body 2 is wrapped
The secondary fluid inlet end 21 being sequentially communicated, blender cavity 22, the port of export 23 are included, the port of export 23 is by main fluid conduit 1
Side wall is stretched into inner chamber 13, the axis of the port of export 23 and the axis shape angle at 45 ° of main fluid conduit 1, the port of export
Primary fluid inlet 231, multiple side through holes 232 for discharging premixed flow are offered on 23 tube wall, the main fluid is entered
Mouth 231 is the square slot structure set towards main fluid arrival end 11, and its top is located at the top of side through hole 232, bottom axle
To extending at the end face 233 of the nearly port of export 23, the side through hole 232 is set towards the inwall of inner chamber, and its structure is consistent
And both sides that are uniform, being symmetrically distributed in primary fluid inlet 231, the blender body 2 extend into the height of the part of inner chamber 13
More than the radius of inner chamber 13, the internal diameter of the blender cavity 22 is less than the internal diameter of inner chamber 13.
Embodiment 2：
Referring to Fig. 1, Fig. 2, Fig. 5, Fig. 6, a kind of pipeline fluid mixer assembly, the difference of its structure and embodiment 1 is：
The primary fluid inlet 231 includes poroid portion 5, square groove portion 6, and the poroid portion 5 is located at a lateral incision 232 and two
The top of number lateral incision 233, the top of the square groove portion 6 is communicated with the bottom in poroid portion 5, the bottom axle of square groove portion 6
To extending at proximal end face 234.
Embodiment 3：
Referring to Fig. 1, Fig. 2, Fig. 7, Fig. 8, a kind of pipeline fluid mixer assembly, the difference of its structure and embodiment 1 is：
The primary fluid inlet 231 is the cavernous structure positioned at a lateral incision 232 and No. two tops of lateral incision 233.
Embodiment 4：
Referring to Fig. 1, Fig. 2, Fig. 9, Figure 10, a kind of pipeline fluid mixer assembly, the difference of its structure and embodiment 3 exists
In：
The primary fluid inlet 231 is positioned at a lateral incision 232 and No. two tops of lateral incision 233 and radially extends
Square slot structure.
To investigate the mixed effect of structure of the present invention, based on certain h type engine h, air is main fluid, and EGR exhaust is
Secondary fluid, outlet has been carried out uniformly to the embodiment of the present invention 1, the described device of embodiment 4 with contrast device 1 under identical operating mode
The detection of degree, the pressure loss and inlet loss.Wherein, the blender body in contrast device 1 uses port of export tube wall border
The area for being uniformly distributed primary fluid inlet 231 in the structure of through hole, embodiment 4 is less than embodiment 1.Testing result is shown in Table 1：
The mixed performance test result of the blender assembly of table 1
。
In upper table, the pressure loss refers to the pressure loss of EGR exhaust side, and inlet loss refers to the pressure loss of air side.
The outlet uniformity is bigger, and mixing efficiency is higher.
By data above, it can be seen that
1st, with the structure of the uniform through hole in existing border（Contrast device 1）Compare, apparatus of the present invention result in higher mixing
Efficiency, the smaller pressure loss.
2nd, the area of increase primary fluid inlet 231 can improve mixing efficiency to a certain extent.
Claims (7)
1. a kind of pipeline fluid mixer structure, including main fluid conduit（1）, blender body（2）, the main fluid conduit
（1）Including main fluid arrival end（11）, the fluid-mixing port of export（12）, the blender body（2）Including time being sequentially communicated
Fluid inlet end（21）, blender cavity（22）, the port of export（23）, the port of export（23）By main fluid conduit（1）Side wall
Stretch into main fluid conduit（1）Inner chamber（13）In, and blender body（2）Tube wall on offer connection blender cavity
（22）, inner chamber（13）Primary fluid inlet（231）, it is characterised in that：
The primary fluid inlet（231）Towards main fluid arrival end（11）Set, the port of export（23）Tube wall on offer
Multiple side through holes for being used to discharge premixed flow（232）, the side through hole（232）Towards inner chamber（13）Inwall set
And it is distributed in primary fluid inlet（231）Both sides.
2. a kind of pipeline fluid mixer structure according to claim 1, it is characterised in that：The multiple side through hole
（232）Structure is consistent, and uniformly, be symmetrically distributed in primary fluid inlet（231）Both sides.
3. a kind of pipeline fluid mixer structure according to claim 1 or 2, it is characterised in that：The primary fluid inlet
（231）Including positioned at side through hole（232）The hatch frame of top, the hatch frame is square groove knot that is poroid or radially extending
Structure.
4. a kind of pipeline fluid mixer structure according to claim 3, it is characterised in that：The primary fluid inlet
（231）Including poroid portion（3）, square groove portion（4）, the poroid portion（3）Positioned at side through hole（232）Top, it is described square
Groove portion（4）Top and poroid portion（3）Bottom communicate, square groove portion（4）Bottom axially extend to the nearly port of export（23）'s
End face（233）Place.
5. a kind of pipeline fluid mixer structure according to claim 1 or 2, it is characterised in that：The primary fluid inlet
（231）For square slot structure, its top is located at side through hole（232）Top, bottom axially extends to proximal end face（233）Place.
6. a kind of pipeline fluid mixer structure according to claim 1 or 2, it is characterised in that：The blender body
（2）It extend into inner chamber（13）Part height be more than inner chamber（13）Radius, the blender cavity（22）Internal diameter be less than
Equal to inner chamber（13）Internal diameter.
7. a kind of pipeline fluid mixer structure according to claim 1 or 2, it is characterised in that：The blender body
（2）Axis and main fluid conduit（1）The angle that is formed of axis be 45 °~90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710488202.9A CN107261873B (en) | 2017-06-23 | 2017-06-23 | Pipeline fluid mixer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710488202.9A CN107261873B (en) | 2017-06-23 | 2017-06-23 | Pipeline fluid mixer structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107261873A true CN107261873A (en) | 2017-10-20 |
| CN107261873B CN107261873B (en) | 2023-06-02 |
Family
ID=60069500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710488202.9A Active CN107261873B (en) | 2017-06-23 | 2017-06-23 | Pipeline fluid mixer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107261873B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108686527A (en) * | 2018-06-29 | 2018-10-23 | 东风商用车有限公司 | A kind of fluid circuit assembly |
| CN108686529A (en) * | 2018-06-29 | 2018-10-23 | 东风商用车有限公司 | A kind of shell-and-tube flow mixer assembly |
| WO2022002064A1 (en) * | 2020-06-30 | 2022-01-06 | Ceres Intellectual Property Company Limited | Heat balance mixer and sofc system comprising the same |
| CN108686530B (en) * | 2018-06-29 | 2024-04-09 | 东风商用车有限公司 | Asymmetric fluid pipeline assembly |
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| US20140053816A1 (en) * | 2012-08-27 | 2014-02-27 | Cummins Intellectual Property, Inc. | Gaseous fuel and intake air mixer for internal combustion engine |
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2017
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| US5865537A (en) * | 1995-10-05 | 1999-02-02 | Sulzer Chemtech Ag | Mixing device for mixing a low-viscosity fluid into a high-viscosity fluid |
| JP2000213681A (en) * | 1999-01-27 | 2000-08-02 | Toshiba Corp | Fluid mixing coupler |
| US20020158151A1 (en) * | 1999-09-24 | 2002-10-31 | Jochem Fischer | Fluid inlet for introducing a hot fluid into a hollow structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108686527A (en) * | 2018-06-29 | 2018-10-23 | 东风商用车有限公司 | A kind of fluid circuit assembly |
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| CN108686530B (en) * | 2018-06-29 | 2024-04-09 | 东风商用车有限公司 | Asymmetric fluid pipeline assembly |
| WO2022002064A1 (en) * | 2020-06-30 | 2022-01-06 | Ceres Intellectual Property Company Limited | Heat balance mixer and sofc system comprising the same |
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| Publication number | Publication date |
|---|---|
| CN107261873B (en) | 2023-06-02 |
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