CN204572258U - EGR water cooling plant - Google Patents
EGR water cooling plant Download PDFInfo
- Publication number
- CN204572258U CN204572258U CN201520026517.8U CN201520026517U CN204572258U CN 204572258 U CN204572258 U CN 204572258U CN 201520026517 U CN201520026517 U CN 201520026517U CN 204572258 U CN204572258 U CN 204572258U
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- Prior art keywords
- cooler
- exhaust gas
- recycled exhaust
- flange
- outlet pipe
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- 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
- Y02T10/12—Improving ICE efficiencies
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- Exhaust-Gas Circulating Devices (AREA)
Abstract
The utility model discloses a kind of structure more reasonably EGR water cooling plant, its scheme is: the two ends, left and right of cooler for recycled exhaust gas are connected to suction tude and steam outlet pipe respectively; The upper and lower surface of cooler for recycled exhaust gas is connected to intake pipe and outlet pipe respectively.Cooler for recycled exhaust gas air inlet and outlet passageway be designed to U-shaped structure, air inlet and the air outlet of cooler for recycled exhaust gas are welded with flange-interface, and the two ends of air inlet and steam outlet pipe are equipped with the pipeline section that is flexible coupling.Employing air flue is the cooler for recycled exhaust gas of U-shaped structure, makes the both sides of inlet, outlet at cooler of cooler for recycled exhaust gas, under the prerequisite ensureing cooling effect, effectively shortens the length of cooler for recycled exhaust gas body.Cooler for recycled exhaust gas can be arranged on the below of suction tude by this structure, the project organization of EGR water cooling plant system, almost just can assemble without the need to carrying out change to diesel engine car load, effectively reduce external engine spatial volume.
Description
Technical field
The utility model belongs to engine components, is specifically related to the EGR water cooling plant in a kind of motor.
Background technique
Diesel engine is widely used with its good Economy and power character, but along with the upgrading of international and domestic Abgasgesetz, to the requirement also increasingly stringent of motor vehicle emission.In order to the discharge meeting automobile engine tail gas meets the requirements, just must carry out Curve guide impeller to motor complete machine, but this will bring very large difficulty for each auto vendor.Because the change of vehicle relates to the redesign of all multiple components, so how to carry out changing, not increasing again premised on external engine volume in scope little as far as possible simultaneously, can emission request be met, become the greatest problem that each diesel engine manufacturer faces.In many corrective measures of engine components, the raising of EGR (EGR) system works efficiency can effectively reduce granular material discharged technical measures.But current problem is, existing cooler for recycled exhaust gas is substantially all be arranged in above the flywheel casing on rear side of motor, during assembling truck all there is cooler for recycled exhaust gas and container hypotelorism in multiple auto producer, even occur interfering and cannot assembling, so numerous automobile factory requires that engine production factory improves egr system.Existing EGR constituent volume is excessive simultaneously, and the cabin assembly space of car load is limited.Therefore for the installation question of cooler for recycled exhaust gas, must redesign.And the proposition of the utility model constructional device can make this problem be resolved.
Summary of the invention
For the problems referred to above, the purpose of this utility model is, provides a kind of EGR water cooling plant system rational in infrastructure, under the prerequisite of vehicle not being carried out to larger change, engine exhaust emission can be made to meet the requirement of new legislation.
For realizing this object, technical solution adopted in the utility model is: the two ends, left and right of cooler for recycled exhaust gas are connected to suction tude and steam outlet pipe respectively; The upper and lower surface of cooler for recycled exhaust gas is connected to intake pipe and outlet pipe respectively, and air inlet and the air outlet of cooler for recycled exhaust gas are welded with flange-interface.Cooler for recycled exhaust gas air inlet and the passage of giving vent to anger are U-shaped structure.
The two ends of suction tude are equipped with the pipeline section that is flexible coupling, and one section of hose connector is fixedly connected with cooler for recycled exhaust gas suction port flange; Another section is fixedly connected with a bend pipe flange-interface.The two ends of steam outlet pipe are also respectively equipped with the pipeline section that is flexible coupling, and one section of hose connector is by bend pipe flange-interface and cooler for recycled exhaust gas air outlet Flange joint; Another section of hose connector is fixedly connected with a triangle flange-interface.
Working principle of the present utility model is that a part of waste gas that engine exhaust pipe is drawn is entered cooler for recycled exhaust gas, and this cooler is a heat exchanger.High-temp waste gas enters in cylinder after cooler for recycled exhaust gas cooling, by reducing the exhaust gas temperature entering cylinder, improves density of the induced air, to reach the object lowering NOx emission.
Architecture advances of the present utility model is, makes the left and right sides of inlet, outlet at cooler of cooler for recycled exhaust gas, and cooling water turnover water pipe is positioned at the both sides up and down of cooler.Particularly cooler for recycled exhaust gas is arranged on the below of engine air inlet tube.
The effect of feature of the present utility model and generation is: the project organization of EGR water cooling plant system, almost just can assemble without the need to carrying out change to diesel engine car load, effectively reduce external engine bulk.Cooler for recycled exhaust gas adopts the air flue of U-shaped structure, makes inlet, outlet be arranged on the both sides of cooler, under the prerequisite ensureing cooling effect, effectively shortens the length of cooler for recycled exhaust gas body.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the utility model member assembling structure.
Fig. 2 is the cooler for recycled exhaust gas principle assumption diagram of U-shaped structure.
Fig. 3 is the utility model embodiment building block principle and structural drawing.
Embodiment
Structure of the present utility model to be further described by specific embodiment below in conjunction with accompanying drawing.
EGR water cooling plant, comprises cooler for recycled exhaust gas, suction tude, steam outlet pipe, intake pipe, outlet pipe and flange etc., and its composition structure is: the two ends, left and right of cooler for recycled exhaust gas 1 are connected to suction tude 2 and steam outlet pipe 3 respectively; The upper and lower surface of cooler for recycled exhaust gas is connected to intake pipe 4 and outlet pipe 5 respectively, and the air inlet of cooler for recycled exhaust gas and air outlet are welded with flange-interface (as Fig. 1).Cooler for recycled exhaust gas air inlet and outlet passageway be U-shaped structure (as Fig. 2).
The two ends of suction tude are equipped with the pipeline section that is flexible coupling, and one section of hose connector is fixedly connected with cooler for recycled exhaust gas suction port flange; Another section is fixedly connected with a bend pipe flange-interface 6.The two ends of steam outlet pipe are also respectively equipped with the pipeline section that is flexible coupling, and one section of hose connector is by bend pipe flange-interface and cooler for recycled exhaust gas air outlet Flange joint; Another section of hose connector is fixedly connected with a triangle flange-interface 7.
Intake pipe and outlet pipe are all connected with cooler for recycled exhaust gas by metallic right-angle elbow pipe.Hose connector is rubber pipe.
Waste gas circulation route: portion enters intake manifold 10 by engine exhaust pipe 8, cooler for recycled exhaust gas suction tude, cooler for recycled exhaust gas, cooler for recycled exhaust gas steam outlet pipe, EGR valve 9, sends into cylinder and carries out compression ignite after the cooled waste gas of cooler for recycled exhaust gas mixes with fresh air in intake manifold.
Waste gas circulation cooling water route: cooling water cools the waste gas of EGR cooling the inside after machine oil cooler 11, intake pipe enter cooler for recycled exhaust gas, cooled high-temperature water enters thermostat base 12 by outlet pipe, then returns cooling water tank together with engine interior high-temperature water out.
The exhaust of motor, after cooler for recycled exhaust gas cooling, makes the exhaust gas temperature participating in recirculation reduce, effectively reduces because EGR is on the impact of air input of engine by air.Intake pipe is connected with cooler for engine oil, a part for machine oil cooler inner cooling water is introduced cooler for recycled exhaust gas simultaneously; The outlet pipe of cooler for recycled exhaust gas is connected with thermostat base, sends cooler for recycled exhaust gas hot water out back to thermostat base.
This device assembling use on CY4102-CE4C diesel engine at present, efficiently solves the installing space problem of efficient cooler for recycled exhaust gas.
Claims (5)
1. EGR water cooling plant, comprise cooler for recycled exhaust gas, suction tude, steam outlet pipe, intake pipe, outlet pipe and flange, it is characterized in that: the two ends, left and right of cooler for recycled exhaust gas (1) are connected to suction tude (2) and steam outlet pipe (3) respectively; The upper and lower surface of cooler for recycled exhaust gas is connected to intake pipe (4) and outlet pipe (5) respectively; Air inlet and the air outlet of cooler for recycled exhaust gas are welded with flange-interface, and cooler for recycled exhaust gas air inlet and the passage of giving vent to anger are U-shaped structure.
2. according to EGR water cooling plant according to claim 1, it is characterized in that the two ends of described suction tude are equipped with the pipeline section that is flexible coupling, one section of hose connector is fixedly connected with cooler for recycled exhaust gas suction port flange; Another section is fixedly connected with a bend pipe flange-interface (6).
3. according to EGR water cooling plant according to claim 1, it is characterized in that the two ends of described steam outlet pipe are also respectively equipped with the pipeline section that is flexible coupling, one section of hose connector is by bend pipe flange-interface and cooler for recycled exhaust gas air outlet Flange joint; Another section of hose connector is fixedly connected with a triangle flange-interface (7).
4., according to EGR water cooling plant according to claim 1, it is characterized in that described intake pipe (4) is all connected with cooler for recycled exhaust gas by metallic right-angle elbow pipe with outlet pipe (5).
5., according to EGR water cooling plant according to claim 2, it is characterized in that described hose connector is rubber pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520026517.8U CN204572258U (en) | 2015-01-15 | 2015-01-15 | EGR water cooling plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520026517.8U CN204572258U (en) | 2015-01-15 | 2015-01-15 | EGR water cooling plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204572258U true CN204572258U (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520026517.8U Active CN204572258U (en) | 2015-01-15 | 2015-01-15 | EGR water cooling plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204572258U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014717A (en) * | 2016-06-24 | 2016-10-12 | 天津雷沃动力有限公司 | Vacuum air intake rubber hose for diesel engine |
| CN106089506A (en) * | 2016-08-18 | 2016-11-09 | 东风朝阳朝柴动力有限公司 | EGR cooler for diesel general assembly structure |
-
2015
- 2015-01-15 CN CN201520026517.8U patent/CN204572258U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106014717A (en) * | 2016-06-24 | 2016-10-12 | 天津雷沃动力有限公司 | Vacuum air intake rubber hose for diesel engine |
| CN106089506A (en) * | 2016-08-18 | 2016-11-09 | 东风朝阳朝柴动力有限公司 | EGR cooler for diesel general assembly structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Device for exhaust gas recirculation water-cooling Effective date of registration: 20190612 Granted publication date: 20150819 Pledgee: Lingyuan steel enterprise limited liability company Pledgor: Dongfeng Chaoyang Chaochai Power Co., Ltd. Registration number: 2019210000021 |