CN206707880U - A kind of cooler for recycled exhaust gas - Google Patents
A kind of cooler for recycled exhaust gas Download PDFInfo
- Publication number
- CN206707880U CN206707880U CN201720458451.9U CN201720458451U CN206707880U CN 206707880 U CN206707880 U CN 206707880U CN 201720458451 U CN201720458451 U CN 201720458451U CN 206707880 U CN206707880 U CN 206707880U
- Authority
- CN
- China
- Prior art keywords
- housing
- end cap
- cooler
- exhaust gas
- recycled exhaust
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of cooler for recycled exhaust gas, including hollow housing, one end of the housing is provided with air inlet end cap, and the other end of the housing is provided with outlet end cap, water inlet pipe and outlet pipe are provided with the housing exterior walls, it is characterised in that：Fixed plate is provided with the both ends of the surface of the housing, multigroup relative mounting hole is offered in respect to two fixed plates, hollow flat tube is provided with the relative mounting hole.Traditional cooling tube is designed to the structure of flat tube by the utility model, expands the inner side area of cooling tube, waste gas is increased with cooling down the cooling contact area of Water transport heat, so as to improve cooling effect.
Description
Technical field
It the utility model is related to a kind of cooler, more particularly to a kind of cooler for recycled exhaust gas.
Background technology
Cooler for recycled exhaust gas is a kind of emerging environment-friendly products, and recirculating exhaust gas is used in automobile egr system and is cooled down.
ERG systems (gas recirculation system) are then a kind of technologies and method for being used for reducing nitrogen oxides in motor vehicle exhaust emission, are
Motor vehicle exhaust emission reaches the product that Europe IV, V standard must use.
The principle of cooler and effect：Automobile in combustion, will produce 500~600 ° or so of high temperature, need to be to useless
It could be flowed back after gas cooling, otherwise not reach emission effect, this process is then completed in cooler.If to EGR gases not
Cooled down, then hot recirculating exhaust gas will heat air inlet, cause the significantly rise of in-cylinder combustion temperature and pressure, counteract
EGR reduces NOX effect, and also destruction will be produced to the structure of engine body when serious.
The cooling object of cooler for recycled exhaust gas is EGR gas, and its temperature is high, and requires heat exchanger in less heat-transfer surface
Big heat transfer is realized under product.Therefore, existing Publication No. CN206071761U Chinese utility model discloses《It is a kind of
Cooler for recycled exhaust gas assembly》, and for example, Publication No. CN 103104377A Chinese utility model discloses《EGR coolers》.So
And in above-mentioned patent, for the cooling tube that high-temp waste gas passes through be circle in housing, the cooling contact area of high-temp waste gas compared with
Small, waste gas cooling effect is poor.
Utility model content
The technical problems to be solved in the utility model is the present situation for prior art, there is provided a kind of cooler for recycled exhaust gas, it is larger
Degree improves the cooling effect of high-temp waste gas.
Technical scheme is used by the utility model solves above-mentioned technical problem：A kind of cooler for recycled exhaust gas, including it is hollow
Housing, one end of the housing are provided with air inlet end cap, and the other end of the housing is provided with outlet end cap, on the housing exterior walls
It is provided with water inlet pipe and outlet pipe, it is characterised in that：Fixed plate is provided with the both ends of the surface of the housing, with respect to two fixed plates
On offer multigroup relative mounting hole, hollow translot flat tube is provided with the relative mounting hole.
As an improvement, multiple translots are arranged at intervals with along pipe range direction on the flat tube, by setting translot, on the one hand
The cooling contact area of high-temp waste gas in flat tube is improved, on the other hand, there is flow-disturbing to cooling water in the outside of flat tube
Effect, so as to further increasing cooling effect.
Preferably, be provided with the translot of platoon leader's bar shaped on the side outer wall of the flat tube, the partially flat pipe it is relative
Be provided with the translot of another platoon leader's bar shaped on opposite side outer wall, the translot on the outer wall of the flat tube side with opposite side outer wall
Translot interlaced arrangement, so as to farthest expanding contact area, improve the flow-disturbing effect of cooling water.
Improve again, the housing is square tube, set on the outer wall of the housing it is fluted, by being set on the outer wall of housing
Groove is put, then is internally formed projection in housing, these projections have flow-disturbing effect to cooling water.
Improve again, the water inlet pipe is arranged on housing and is arranged at housing close to one end of air inlet end cap, the outlet pipe
One end of upper close outlet end cap, the water inlet pipe and the outlet pipe are located in the same side wall of the housing, so as to enter one
Improve cooling effect in step ground.
Improve again, the water inlet pipe and the outlet pipe are plugged on housing, the water inlet pipe and the outlet pipe point
Not together with using Welding at the connection sealing of housing, it is easy to the installation of water inlet pipe and outlet pipe, meanwhile, improve water inlet
The sealing effectiveness of pipe and outlet pipe.
Improve again, the fixed plate is using Welding in the both ends of the housing, the air inlet end cap and the outlet
Formed with against step on the inwall of end cap, the air inlet end cap and outlet end cap are plugged in the both ends of the housing, described solid
Fixed board, which compresses, to be resisted against described against on step, by being positioned against step, helps to be fixed plate, has to fixed plate solid
Positioning action is determined, in addition, being easy to the installation of air inlet end cap and outlet end cap.
Improve again, it is whole by covering setting necking down in inlet end formed with a necking down at the air inlet of the air inlet end cap
Individual air inlet end cap is easy to high-temp waste gas stable and uniform to enter in each flat tube into horn-like.
Compared with prior art, the utility model has the advantage of：Traditional cooling tube is designed to flat by the utility model
The structure of flat pipe, the inner side area of cooling tube is expanded, increase waste gas with cooling down the cooling contact area of Water transport heat, from
And improve cooling effect.
Brief description of the drawings
Fig. 1 is the outline structural diagram of cooler for recycled exhaust gas in the utility model embodiment；
Fig. 2 is the decomposition texture schematic diagram of cooler for recycled exhaust gas in the utility model embodiment；
Fig. 3 is the structural representation of flat tube in Fig. 2.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in Figures 1 to 3, the cooler for recycled exhaust gas in this implementation, including hollow housing 1, air inlet end cap 3, outlet end cap 4,
Water inlet pipe 21, outlet pipe 22, fixed plate 5 and flat tube 6.
Wherein, air inlet end cap 3 is arranged on one end of housing 1, and outlet end cap 4 is arranged on the other end of housing 1, the housing
Water inlet pipe 21 and outlet pipe 22 are provided with 1 outer wall, wherein, housing 1 is molded using inner high voltage, causes the shaping of the convex-concave of housing 1 outside
Efficiency high, cost are low, ensure that the compressive resistance of cooler casing 1 improves, further, the water inlet pipe 21 is arranged on housing 1
Close to one end of air inlet end cap 3, the outlet pipe 22 is arranged on housing 1 close to one end of outlet end cap 4, the water inlet pipe 21
It is located at the outlet pipe 22 in the same side wall of the housing 1, is provided with fixed plate 5 in the both ends of the surface of the housing 1, relatively
Multigroup relative mounting hole 51 is offered in two fixed plates 5, it is preferable that each mounting hole 51 array arrangement in fixed plate 5,
The shape of each mounting hole 51 is adapted with the outer wall of the flat tube 6, is provided with the relative mounting hole 51 hollow
Flat tube 6, multiple translots 61 are arranged at intervals with along pipe range direction on flat tube 6, by setting translot 61, are on the one hand improved flat
The cooling contact area of high-temp waste gas in flat pipe 6, on the other hand, there is flow-disturbing to cooling water in the outside of flat tube 6,
So as to further increasing cooling effect；Further, platoon leader's bar shaped is provided with the side outer wall of the flat tube 6
Translot, is provided with the translot of another platoon leader's bar shaped on the relative opposite side outer wall of the partially flat pipe 6, outside the side of flat tube 6
Translot on wall and the translot interlaced arrangement on opposite side outer wall, so as to farthest expand contact area, are improved cold
But the flow-disturbing effect of water.
Furthermore it is preferred that the housing 1 is square tube, fluted 11 are set on the outer wall of the housing 1, by housing 1
Outer wall on set groove 11, then be internally formed projection in housing 1, these projection there is flow-disturbing effect to cooling water.Meanwhile
The water inlet pipe 21 and the outlet pipe 22 are plugged on housing 1, the water inlet pipe 21 and the outlet pipe 22 and housing 1
Connect and use Welding together at sealing, be easy to the installation of water inlet pipe 21 and outlet pipe 22, meanwhile, improve water inlet pipe 21
With the sealing effectiveness of outlet pipe 22.
In addition, the fixed plate 5 uses Welding in the both ends of the housing 1, the air inlet end cap 3 and the outlet
Formed with being plugged in the both ends of the housing 1 against step 41, the air inlet end cap 3 and outlet end cap 4 on the inwall of end cap 4,
The fixed plate 5 compress be resisted against it is described, by being positioned against step 41, help to be fixed plate 5 against on step 41, it is right
Fixed plate 5 acts on stationary positioned, in addition, being easy to the installation of air inlet end cap 3 and outlet end cap 4.
Finally, formed with a necking down 31 at the air inlet of the air inlet end cap 3, by setting necking down on air inlet end cap 3
31, whole air inlet end cap 3 is easy to high-temp waste gas stable and uniform to enter in each flat tube 6 into horn-like.
To sum up, traditional cooling tube is designed to the structure of flat tube 6 by the utility model, expands the medial surface of cooling tube
Product, waste gas is increased with cooling down the cooling contact area of Water transport heat, so as to improve cooling effect.
Claims (8)
1. a kind of cooler for recycled exhaust gas, including hollow housing (1), one end of the housing (1) is provided with air inlet end cap (3), the shell
The other end of body (1) is provided with outlet end cap (4), and water inlet pipe (21) and outlet pipe (22) are provided with housing (1) outer wall,
It is characterized in that：Fixed plate (5) is provided with the both ends of the surface of the housing (1), is offered on respect to two fixed plates (5) multigroup
Relative mounting hole (51), the relative mounting hole (51) is interior to be provided with hollow flat tube (6).
2. cooler for recycled exhaust gas according to claim 1, it is characterised in that：Set on the flat tube (6) along pipe range direction interval
It is equipped with multiple translots (61).
3. cooler for recycled exhaust gas according to claim 2, it is characterised in that：It is provided with the side outer wall of the flat tube (6)
The translot of one platoon leader's bar shaped, the translot of another platoon leader's bar shaped is provided with the relative opposite side outer wall of the flat tube (6), it is described
Translot on the outer wall of flat tube side and the translot interlaced arrangement on opposite side outer wall.
4. cooler for recycled exhaust gas according to claim 1, it is characterised in that：The housing (1) is square tube, the housing (1)
Set on outer wall fluted (11).
5. cooler for recycled exhaust gas according to claim 1, it is characterised in that：The water inlet pipe (21) is arranged on housing (1) and leaned on
One end of nearly air inlet end cap (3), the outlet pipe (22) are arranged on housing (1) close to one end of outlet end cap (4), it is described enter
Water pipe (21) and the outlet pipe (22) are located in the same side wall of the housing (1).
6. cooler for recycled exhaust gas according to claim 5, it is characterised in that：The water inlet pipe (21) and the outlet pipe (22)
It is plugged on housing (1), the water inlet pipe (21) and the outlet pipe (22) at the connection sealing of housing (1) respectively with using
Welding is together.
7. cooler for recycled exhaust gas according to claim 1, it is characterised in that：The fixed plate (5) is using Welding in described
It is described formed with against step (41) on the inwall of the both ends of housing (1), the air inlet end cap (3) and the outlet end cap (4)
Air inlet end cap (3) and outlet end cap (4) are plugged in the both ends of the housing (1), and the fixed plate (5), which compresses, is resisted against described support
On platform rank (41).
8. cooler for recycled exhaust gas according to claim 7, it is characterised in that：At the air inlet of the air inlet end cap (3) formed with
One necking down (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720458451.9U CN206707880U (en) | 2017-04-27 | 2017-04-27 | A kind of cooler for recycled exhaust gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720458451.9U CN206707880U (en) | 2017-04-27 | 2017-04-27 | A kind of cooler for recycled exhaust gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206707880U true CN206707880U (en) | 2017-12-05 |
Family
ID=60456934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720458451.9U Expired - Fee Related CN206707880U (en) | 2017-04-27 | 2017-04-27 | A kind of cooler for recycled exhaust gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206707880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736980A (en) * | 2019-01-23 | 2019-05-10 | 鲍灵杰 | A kind of cooler for recycled exhaust gas |
-
2017
- 2017-04-27 CN CN201720458451.9U patent/CN206707880U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736980A (en) * | 2019-01-23 | 2019-05-10 | 鲍灵杰 | A kind of cooler for recycled exhaust gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171205 Termination date: 20190427 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |