CN206935149U - Pipeline fluid mixer structure - Google Patents
Pipeline fluid mixer structure Download PDFInfo
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- CN206935149U CN206935149U CN201720741065.0U CN201720741065U CN206935149U CN 206935149 U CN206935149 U CN 206935149U CN 201720741065 U CN201720741065 U CN 201720741065U CN 206935149 U CN206935149 U CN 206935149U
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- fluid
- main fluid
- pipeline
- inner chamber
- blender
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- 239000012530 fluid Substances 0.000 title claims abstract description 123
- 238000002156 mixing Methods 0.000 claims abstract description 27
- 238000012545 processing Methods 0.000 abstract description 8
- 230000008676 import Effects 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 239000007789 gas Substances 0.000 description 4
- 239000000567 combustion gas Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Abstract
The utility model provides a pipeline fluid mixer structure, including the main fluid pipeline, the blender body, the main fluid pipeline is including the main fluid entry end that communicates in proper order, the inner chamber, the mixed fluid exit end, the blender body is including the time fluid entry end that communicates in proper order, the blender cavity, the exit end stretches into in the inner chamber of main fluid pipeline by the lateral wall of main fluid pipeline, and seted up the main fluid import on the pipe wall of exit end, a plurality of side through-holes that are used for discharging premix fluid, the main fluid import sets up towards the main fluid entry end, the side through-hole all sets up and distributes the both sides of main fluid import towards the. The design has the advantages of small pressure loss, low processing cost and high mixing efficiency.
Description
Technical field
The utility model belongs to fluid mixing techniques field, and in particular to a kind of pipeline fluid mixer structure, is applied to
The mixing of the gases such as combustion gas, EGR or other fluids.
Background technology
Flow mixer is mainly used in required ratio being mixed two kinds of fluids as homogeneously as possible, for example uses
The air and EGR gas mixings of air and combustion gas mixing, diesel engine or gasoline engine in 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 discloses a kind of EGR mixer of waste gas recycling diesel engine, including mixer cavity and blender, in 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
Blender hole is uniformly offered on wall, 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, it is being responsible for
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 this utility model is to overcome existing for prior art that the pressure loss is big, mixed effect is poor, high processing costs
The problem of, 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.
To realize object above, the technical solution of the utility model is as follows：
A kind of pipeline fluid mixer structure, including main fluid conduit, blender body, the main fluid conduit include master
Fluid inlet end, the fluid-mixing port of export, the blender body include secondary fluid inlet end, the mixer chamber being sequentially communicated
Body, the port of export, the port of export are stretched into by the side wall of main fluid conduit in the inner chamber of main fluid conduit, and the pipe of blender body
Connection blender cavity, the primary fluid inlet of inner chamber are offered on wall；
The primary fluid inlet is set towards main fluid arrival end, is offered on the tube wall of the port of export multiple for arranging
Go out the side through hole of premixed flow, the side through hole sets towards the inwall of inner chamber and is distributed in the two of primary fluid inlet
Side.
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 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 communicates 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 axially extends 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, the beneficial effects of the utility model are：
1st, primary fluid inlet is set towards main fluid arrival end in a kind of pipeline fluid mixer structure of the utility model, is gone out
Multiple side through holes for being used to discharge premixed flow are offered on the tube wall at mouth end, side through hole is set towards the inwall of inner chamber
And be distributed in the both sides of primary fluid inlet, i.e., the outlet of premixed flow is arranged on the both sides of blender body, the design introduces
Premix strategy, primary fluid inlet head-on is opened up in main flow, can entered by the kinetic energy of main fluid itself in mixer chamber body
Carry out being mixed to form premixed flow for the first time with secondary fluid, subsequent premixed flow changes under the baffle effect of blender cavity inner wall
Become flow direction, flowed into by the side through hole of blender body both sides in the inner chamber of main fluid conduit and carried out second with main fluid
Mixing, finally flowed out via the fluid-mixing port of export, mixing efficiency, and the pressure damage of whole process can not only be significantly improved
Lose that small, processing cost is lower, meanwhile, the design adds the decentralization of premixed flow outflow using the measure of lateral opening hole, enters
One step improves mixing efficiency.Therefore, not only the pressure loss is small, processing cost is low for the utility model, and mixing efficiency is high.
2nd, primary fluid inlet is included above the through hole of side in a kind of pipeline fluid mixer structure of the utility model
Hatch frame, the design can open up space by setting up main fluid entrance in the upstream of side through hole not influenceing lateral incision
In the case of increase the area of primary fluid inlet, be effectively improved main fluid and the premixing effect of time fluid.Therefore, this practicality is new
Type can obtain more excellent premixing effect.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
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
Explanation and embodiment are described in further detail to the utility model 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, is offered on the tube wall of the port of export 23 more
The individual side through hole 232 for being used to discharge premixed flow, the side through hole 232 set and are distributed in towards the inwall of inner chamber 13
The both sides of primary fluid inlet 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 No.1 lateral incision 232 and No. two tops of lateral incision 233
Structure, the hatch frame are 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 communicates 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 °.
Principle of the present utility model is described as follows：
The utility model proposes a kind of pressure loss is small, good mixing effect and pipeline fluid mixer knot simple in construction
Structure, the form being combined by premixing strategy with lateral opening hole, flow path and the direction of premixed flow are not only changed, is increased
Main fluid and time fluid carry out the time mixed first time in blender cavity 22, effectively increase mixing efficiency, and
Lateral opening hole can increase the decentralization that premixed flow flows out in blender, further improve mixing efficiency.Meanwhile this practicality is new
Type controls the flow direction of the direction of insertion of blender body 1 and main fluid in the range of certain angle, advantageously reduces mixing
The flowing of time fluid in device cavity 22.
Embodiment 1：
Referring to Fig. 1 to Fig. 4, a kind of pipeline fluid mixer assembly, including main fluid conduit 1, blender body 2, it is described
Main fluid conduit 1 includes main fluid arrival end 11, inner chamber 13, the fluid-mixing port of export 12 being sequentially communicated, the blender sheet
Body 2 includes secondary fluid inlet end 21, blender cavity 22, the port of export 23 being sequentially communicated, and the port of export 23 is by main fluid pipe
The side wall in road 1 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, it is described go out
Primary fluid inlet 231, multiple side through holes 232 for discharging premixed flow, the main flow are offered on the tube wall at mouth end 23
Body import 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
End is axially extended at the end face 233 of the nearly port of export 23, and the side through hole 232 is set towards the inwall of inner chamber, its structure
Both sides that are consistent and uniform, being symmetrically distributed in primary fluid inlet 231, the blender body 2 extend into the part of inner chamber 13
Highly it is 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
It is：
The primary fluid inlet 231 includes poroid portion 5, square groove portion 6, and the poroid portion 5 is located at No.1 lateral incision 232
With the top of No. two lateral incisions 233, the top of the square groove portion 6 communicates with the bottom in poroid portion 5, the bottom of square groove portion 6
End is axially extended 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
It is：
The primary fluid inlet 231 is the poroid knot above No.1 lateral incision 232 and No. two lateral incisions 233
Structure.
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
It is：
The primary fluid inlet 231 is above No.1 lateral incision 232 and No. two lateral incisions 233 and radially prolonged
The square slot structure stretched.
To investigate the mixed effect of the utility model structure, based on certain h type engine h, air is main fluid, and EGR gives up
Gas is time fluid, and the utility model embodiment 1, the described device of embodiment 4 are gone out with contrast device 1 under identical operating mode
The detection of the mouth uniformity, the pressure loss and inlet loss.Wherein, the blender body in device 1 is contrasted using outlet end pipe
Wall border is uniformly distributed the structure of through hole, and the area of primary fluid inlet 231 is less than embodiment 1 in embodiment 4.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, the utility model device can obtain more
High mixing efficiency, the smaller pressure loss.
2nd, mixing efficiency can be improved to a certain extent by increasing the area of primary fluid inlet 231.
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.
A kind of 2. 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.
A kind of 3. 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 are square groove knot that is poroid or radially extending
Structure.
A kind of 4. 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.
A kind of 5. 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.
A kind of 6. 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）The height of part be more than inner chamber（13）Radius, the blender cavity（22）Internal diameter be less than
Equal to inner chamber（13）Internal diameter.
A kind of 7. 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 |
|---|---|---|---|
| CN201720741065.0U CN206935149U (en) | 2017-06-23 | 2017-06-23 | Pipeline fluid mixer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720741065.0U CN206935149U (en) | 2017-06-23 | 2017-06-23 | Pipeline fluid mixer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206935149U true CN206935149U (en) | 2018-01-30 |
Family
ID=61365742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720741065.0U Active CN206935149U (en) | 2017-06-23 | 2017-06-23 | Pipeline fluid mixer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206935149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107261873A (en) * | 2017-06-23 | 2017-10-20 | 东风商用车有限公司 | Pipeline fluid mixer structure |
-
2017
- 2017-06-23 CN CN201720741065.0U patent/CN206935149U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107261873A (en) * | 2017-06-23 | 2017-10-20 | 东风商用车有限公司 | Pipeline fluid mixer structure |
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