CN207073436U - A kind of cooler for recycled exhaust gas of triangular window wing - Google Patents
A kind of cooler for recycled exhaust gas of triangular window wing Download PDFInfo
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- CN207073436U CN207073436U CN201720740824.1U CN201720740824U CN207073436U CN 207073436 U CN207073436 U CN 207073436U CN 201720740824 U CN201720740824 U CN 201720740824U CN 207073436 U CN207073436 U CN 207073436U
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- riser
- cross plate
- window wing
- cooler
- upper cross
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Abstract
A kind of cooler for recycled exhaust gas of triangular window wing,Including more flat tubes and fin,Fin is contained in flat tube,It is characterized in that,Fin includes being used for multiple risers that flat tube is divided into gas passage,Connect the upper cross plate of riser,Lower cross plate,Upper cross plate,Lower cross plate is located at the both sides of riser respectively,Upper cross plate is connected with riser upper end,Riser is perpendicular to upper cross plate,Lower cross plate,Lower cross plate is connected with riser lower end,There are multiple window wings set down in the middle part of upper cross plate,There are multiple window wings for setting setting upward in the middle part of lower cross plate,Adjacent window wing is on point symmetry in same gas passage,Window wing is the platy structure of right angled triangle,One right-angle side in the section of window wing is parallel to riser,The angle of the hypotenuse in the section of window wing and the right-angle side parallel to riser is 30 degree 60 degree,The angle of window wing and riser is 30 degree 60 degree,The depth-width ratio of gas passage is 0.9 1.1,The high ratio of right-angle side and gas passage parallel to riser is 0.35 0.55.
Description
Technical field
Petrol and diesel oil car field is the utility model is related to, particularly a kind of cooler for recycled exhaust gas of triangular window wing.
Background technology
Contain a variety of harmful gases in vehicle exhaust, major pollutants are hydrocarbon, oxynitrides, one
Carbonoxide, sulfur dioxide, lead-containing compounds, Benzpyrene and solid particulate matter, photochemical fog etc. can be caused.Have to reduce tail gas
Evil gas discharge, complies with the newest discharge standard in various countries.Lead-containing compounds can use no lead oil, and other pollutants also may be used
Its content is reduced to improve oil quality, but NOx emission can not be changed by oil product, therefore research and development can drop in succession for automobile vendor
EGR (waste gas recycling) system of low NOx drainage, it can effectively reduce NOx discharge, and cooler for recycled exhaust gas is egr system weight
Want one of parts.
At present, plate-fin heat exchanger be widely used in air separation plant, petrochemical industry, refrigeration and low temperature field, automobile and
The fields such as aircraft industry.
But when being flowed in the fluid passage that fluid is formed in two plates, can be by fin when fluid flows through fin
The obstruction of window wing constantly produces the shunting on transverse plane, although fluid boundary layer in branching process is constantly broken by fin
Split, but simultaneously there is also fluid flow resistance it is big the problem of.Moreover, with the continuous improvement of heat exchanging device requirement, plate
The heat exchange property of fin heat exchanger is needed to further enhance, therefore the optimization in structure how is carried out to plate-fin heat exchanger, with
It is the technical problem that those skilled in the art are badly in need of solving to obtain the fin that heat exchange property is high, flow resistance is low.
Utility model content
In order to overcome above mentioned problem, the utility model provides a kind of cooler for recycled exhaust gas of triangular window wing, heat exchange property is high,
Flow resistance is low.
In order to achieve the above-mentioned advantages, the utility model provides a kind of fin, the fin is contained in flat tube, and the fin includes
For the flat tube to be divided into multiple risers of gas passage, upper cross plate, the lower cross plate of the riser, the upper horizontal stroke are connected
Plate, the lower cross plate are located at the both sides of the riser respectively, and the upper cross plate is connected with the riser upper end, the riser
Perpendicular to the upper cross plate, the lower cross plate, the lower cross plate is connected with the riser lower end, has in the middle part of the upper cross plate
There are multiple window wings set down, there are multiple window wings for setting setting upward in the middle part of the lower cross plate, the same gas leads to
The adjacent window wing is on point symmetry in road, and the window wing is the platy structure of right angled triangle, the section of the window wing
One right-angle side is parallel to the riser, the angle of the hypotenuse and the right-angle side parallel to the riser in the section of the window wing
The angle of 30 degree of -60 degree, the window wing and the riser is 30 degree of -60 degree, and the depth-width ratio of the gas passage is 0.9-1.1,
The high ratio of the right-angle side parallel to the riser and the gas passage is 0.35-0.55.
The utility model also provides a kind of cooler for recycled exhaust gas, including more flat tubes and fin, the fin are contained in described flat
In pipe, the fin includes being used to for the flat tube to be divided into multiple risers of gas passage, connect the riser upper cross plate,
Lower cross plate, the upper cross plate, the lower cross plate are located at the both sides of the riser respectively, and the upper cross plate connects with the riser upper end
Fixation is connect, the riser is connected perpendicular to the upper cross plate, the lower cross plate, the lower cross plate with the riser lower end,
There are multiple window wings set down in the middle part of the upper cross plate, there are multiple windows for setting setting upward in the middle part of the lower cross plate
Wing, for the adjacent window wing on point symmetry, the window wing is the platy structure of right angled triangle in the same gas passage,
One right-angle side in the section of the window wing is parallel to the riser, the hypotenuse in the section of the window wing and parallel to the riser
The angle of right-angle side be 30 degree of -60 degree, the angle of the window wing and the riser is 30 degree of -60 degree, the gas passage
Depth-width ratio is 0.9-1.1, and the high ratio of the right-angle side parallel to the riser and the gas passage is 0.35-
0.55。
The utility model also provides a kind of egr system, including engine, EGR valve and cooler for recycled exhaust gas, the cooler for recycled exhaust gas
Including more flat tubes and fin, the fin is contained in the flat tube, and the fin includes being used to the flat tube being divided into
Multiple risers of gas passage, connect upper cross plate, the lower cross plate of the riser, and the upper cross plate, the lower cross plate are located at respectively
The both sides of the riser, the upper cross plate are connected with the riser upper end, and the riser is perpendicular to the upper cross plate, described
Lower cross plate, the lower cross plate are connected with the riser lower end, have multiple window wings set down in the middle part of the upper cross plate,
There are multiple window wings for setting setting upward in the middle part of the lower cross plate, in the same gas passage the adjacent window wing on
Point symmetry, the window wing are the platy structure of right angled triangle, and a right-angle side in the section of the window wing is parallel to described perpendicular
The angle of plate, the hypotenuse in the section of the window wing and the right-angle side parallel to the riser is 30 degree of -60 degree, the window wing and institute
The angle for stating riser is 30 degree of -60 degree, and the depth-width ratio of the gas passage is 0.9-1.1, described parallel to the straight of the riser
The high ratio of the arm of angle and the gas passage is 0.35-0.55.
In one embodiment of the present utility model, hypotenuse and the right angle parallel to the riser in the section of the window wing
The angle on side is 45 degree.
In one embodiment of the present utility model, the angle of the window wing and the riser is 45 degree.
In one embodiment of the present utility model, the depth-width ratio of the gas passage is 1.
In one embodiment of the present utility model, the right-angle side parallel to the riser and the gas passage
High ratio is 0.45.
In one embodiment of the present utility model, the window wing is stamping by the upper cross plate and the/lower cross plate.
In one embodiment of the present utility model, the upper cross plate, the lower cross plate and the riser are integrally formed.
In the utility model, certain disturbance, fluid are carried out to the flue gas in gas passage by the window wing of triangle
Resistance is small, good effect of heat exchange.
Brief description of the drawings
Fig. 1 show the dimensional structure diagram of the fin of the utility model first embodiment.
Fig. 2 show Fig. 1 fin and the front view of flat tube.
Fig. 3 show the partial enlarged drawing at Fig. 2 O.
Fig. 4 show the top view of Fig. 1 fin.
Embodiment
Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose of utility model taken,
Below in conjunction with accompanying drawing and preferred embodiment, to according to the utility model proposes embodiment, structure, feature and its effect,
Describe in detail as after.
Fig. 1-Fig. 4 is referred to, the fin of the utility model first embodiment is contained in flat tube 100, and fin includes being used for
Flat tube 100 is divided into multiple risers 2 of gas passage 10, connects upper cross plate 3, the lower cross plate 1 of riser 2, upper cross plate 3, lower horizontal stroke
Plate 1 is located at the both sides of riser 2 respectively, and upper cross plate 3 is connected with the upper end of riser 2, riser 2 perpendicular to upper cross plate 3, lower cross plate 1,
Lower cross plate 1 is connected with the lower end of riser 2, and the middle part of upper cross plate 3 has multiple window wings 4 set down, and the middle part of lower cross plate 1 has
Multiple window wings 4 for setting setting upward, for adjacent window wing 4 on point symmetry, window wing 4 is right angle trigonometry in same gas passage 10
The platy structure of shape, a right-angle side in the section of window wing 4 is parallel to riser 2, the hypotenuse in the section of window wing 4 and parallel to riser
The included angle B of 2 right-angle side is 30 degree -60 degree, and the included angle A of window wing 4 and riser 2 is spent for 30 degree -60, the high h of gas passage 10 and
Wide w ratios are 0.9-1.1, and the ratio parallel to the length L and the high h of gas passage 10 of the right-angle side of riser 2 is 0.35-0.55.
The hypotenuse in section of preferable window wing 4 and the included angle B of the right-angle side parallel to riser 2 are 45 degree.The included angle A of window wing 4 and riser 2
For 45 degree.The high h of gas passage 10 is 1 with wide w ratios.Parallel to the length L and gas passage 10 of the right-angle side of riser 2 high h
Ratio be 0.45.
Window wing 4 is stamping by upper cross plate 3 and/lower cross plate 1, specifically by the triangular windows of upper cross plate 3 and/lower cross plate 1
Plate bending forms corresponding to 40, and upper cross plate 3, lower cross plate 1 and riser 2 are integrally formed.
The utility model also provides a kind of cooler for recycled exhaust gas of triangular window wing, including more flat tubes and above-mentioned fin.
The utility model also provides a kind of egr system, including engine, EGR valve and above-mentioned cooler for recycled exhaust gas.Egr system,
(exhaust gas recirculatioon Exhaust Gas Recirculation), internal combustion engine after combustion by discharge gas a part isolate,
And import the technology (gimmick or method) that air inlet side makes it burn once again.Main purpose is the nitrogen oxides in reduction discharge gas
(NOx) with specific fuel consumption can be improved when sharing sub-load.EGR technology is used in gasoline engine, end mixed air temperature can be caused
Degree rise, add the possibility of pinking.The principle and connected mode of engine, EGR valve and cooler for recycled exhaust gas in egr system
Belong to prior art, such as a kind of supercharged diesel engine egr system intelligence disclosed in the document that Authorization Notice No. is CN103775252B
Can cooling device.
In the utility model, certain disturbance, fluid are carried out to the flue gas in gas passage by the window wing of triangle
Resistance is small, good effect of heat exchange.
More than, only it is preferred embodiment of the present utility model, not makees any formal limit to the utility model
System, although the utility model is disclosed above with preferred embodiment, but is not limited to the utility model, any to be familiar with sheet
Technical professional, do not departing from the range of technical solutions of the utility model, when the technology contents work using the disclosure above
Go out a little change or be modified to the equivalent embodiments of equivalent variations, as long as be without departing from the content of the technical scheme of the utility model, according to
Any simple modification, equivalent variations and the modification made according to the technical essence of the utility model to above example, still fall within
In the range of technical solutions of the utility model.
Claims (7)
1. a kind of cooler for recycled exhaust gas of triangular window wing, including more flat tubes and fin, the fin are contained in the flat tube,
Characterized in that, the fin includes being used for multiple risers that the flat tube is divided into gas passage, the riser is connected
Upper cross plate, lower cross plate, the upper cross plate, the lower cross plate are located at the both sides of the riser respectively, and the upper cross plate erects with described
Plate upper end is connected, and the riser connects perpendicular to the upper cross plate, the lower cross plate, the lower cross plate with the riser lower end
Fixation is connect, there are multiple window wings set down in the middle part of the upper cross plate, set upward with multiple in the middle part of the lower cross plate
The window wing put, for the adjacent window wing on point symmetry, the window wing is the plate of right angled triangle in the same gas passage
Shape structure, the right-angle side in the section of the window wing parallel to the riser, the hypotenuse in the section of the window wing with parallel to
The angle of the right-angle side of the riser is 30 degree -60 and spent that the angle of the window wing and the riser is 30 degree -60 and spent, the gas
The depth-width ratio of body passage is 0.9-1.1, and the high ratio of the right-angle side parallel to the riser and the gas passage is
0.35-0.55。
2. cooler for recycled exhaust gas according to claim 1, it is characterised in that the hypotenuse in the section of the window wing with parallel to institute
The angle for stating the right-angle side of riser is 45 degree.
3. cooler for recycled exhaust gas according to claim 1, it is characterised in that the angle of the window wing and the riser is 45 degree.
4. cooler for recycled exhaust gas according to claim 1, it is characterised in that the depth-width ratio of the gas passage is 1.
5. cooler for recycled exhaust gas according to claim 1, it is characterised in that the right-angle side and institute parallel to the riser
The high ratio for stating gas passage is 0.45.
6. cooler for recycled exhaust gas according to claim 1, it is characterised in that the window wing is by the upper cross plate and the/lower horizontal stroke
Plate stamping and forming.
7. cooler for recycled exhaust gas according to claim 1, it is characterised in that the upper cross plate, the lower cross plate and the riser
It is integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720740824.1U CN207073436U (en) | 2017-06-23 | 2017-06-23 | A kind of cooler for recycled exhaust gas of triangular window wing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720740824.1U CN207073436U (en) | 2017-06-23 | 2017-06-23 | A kind of cooler for recycled exhaust gas of triangular window wing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207073436U true CN207073436U (en) | 2018-03-06 |
Family
ID=61513097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720740824.1U Active CN207073436U (en) | 2017-06-23 | 2017-06-23 | A kind of cooler for recycled exhaust gas of triangular window wing |
Country Status (1)
| Country | Link |
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| CN (1) | CN207073436U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112368535A (en) * | 2018-07-20 | 2021-02-12 | 马瑞利株式会社 | Heat exchanger |
-
2017
- 2017-06-23 CN CN201720740824.1U patent/CN207073436U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112368535A (en) * | 2018-07-20 | 2021-02-12 | 马瑞利株式会社 | Heat exchanger |
| CN112368535B (en) * | 2018-07-20 | 2021-12-17 | 马瑞利株式会社 | Heat exchanger |
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