CN207377633U - A kind of vehicle engine exhaust gas recuperation of heat utilizes system - Google Patents
A kind of vehicle engine exhaust gas recuperation of heat utilizes system Download PDFInfo
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- CN207377633U CN207377633U CN201721364838.4U CN201721364838U CN207377633U CN 207377633 U CN207377633 U CN 207377633U CN 201721364838 U CN201721364838 U CN 201721364838U CN 207377633 U CN207377633 U CN 207377633U
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- exhaust gas
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Abstract
The utility model discloses a kind of vehicle engine exhaust gas recuperations of heat to utilize system, including interior heating heat exchanger, water circulating pump, water storage box, cooling water tank, water circulating pump and exhaust-heat exchanger, exhaust-heat exchanger includes housing, several parallel waste gas heat exchange tube roads are fixed in housing, it is provided with that recirculated water enters pipeline and circulating water flow goes out pipeline on housing, recirculated water enters pipeline and is connected by inlet triplet for water valve with the 3rd outlet pipe, and two entrances exported respectively with the 3rd outlet pipe and water storage box of the outlet three way valve connect；The entrance in waste gas heat exchange tube road is connected with exhaust gas recirculation pipeline, and exhaust gas recirculation pipeline is connected with the flue gas leading of engine by exhaust gas recirculation triple valve, and the outlet in waste gas heat exchange tube road is connected with exhaust gas effuser road, which connects with flue gas leading.The waste gas heat recycling system can recycle heat in the exhaust gas discharged in engine, make the utilization rate higher of thermal energy, facilitate interior heating, be suitble to bitter cold weather.
Description
Technical field
The utility model is related to a kind of waste gas heat recycling systems, belong to automobile engine recuperation of heat field.
Background technology
Present automobile is in order to tackle the whole world increasingly stringent Abgasvorschriften (ULEV, SULEV and EURO-
IV etc.), petrol engine is in a manner that GDI of high combustion rate (Gasoline Direct Injection) etc. directly sprays
Exploitation, such engine makes all maximizing combustion efficiencies, and car inside radiator heat source is also engine, passes through cooling water
After engine cool, the heat in cooling water is discharged by interior heating heat exchanger, for giving interior heating, so
And with prevailing, the interior space increase of SUV, interior heating just seems insufficient, especially the heating deficiency in bitter cold weather
The problem of it is more urgent.
Utility model content
Technical problem to be solved in the utility model is：A kind of vehicle engine exhaust gas recuperation of heat is provided and utilizes system,
The waste gas heat recycling system can recycle heat in the exhaust gas discharged in engine, make the utilization rate higher of thermal energy,
Facilitate interior heating, be suitble to bitter cold weather.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of vehicle engine exhaust gas recuperation of heat profit
With system, including interior heating heat exchanger, water circulating pump, water storage box, cooling water tank and water circulating pump, the cooling of engine
Water out is connected to the first outlet pipe, the second outlet pipe and the 3rd outlet pipe, first outlet pipe and cooling water tank
Entrance connects, and second outlet pipe is connected with the entrance of water storage box, the 3rd outlet pipe and interior heating heat exchanger
Entrance connection, the outlet of the car heating heat exchanger connect with the entrance of water circulating pump, the outlet of water circulating pump and
The cooling water inlet connection of engine, the outlet of the cooling water tank and the outlet of water storage box connect with the entrance of water circulating pump
It is logical；The waste gas heat recycling system further includes exhaust-heat exchanger, and the exhaust-heat exchanger includes housing, the housing
Several parallel waste gas heat exchange tube roads are inside fixed with, being provided with recirculated water on the housing enters pipeline and circulating water flow outlet pipe
Road, the recirculated water enter pipeline and are connected by inlet triplet for water valve with the 3rd outlet pipe, and the circulating water flow outlet pipe road is set
There is outlet three way valve, two entrances exported respectively with the 3rd outlet pipe and water storage box of the outlet three way valve connect；It is described useless
The entrance of gas heat exchange pipeline is connected with exhaust gas recirculation pipeline, and the flue gas leading of exhaust gas recirculation pipeline and engine passes through exhaust gas recirculation three
Port valve connects, and the outlet in the waste gas heat exchange tube road is connected with exhaust gas effuser road, which connects with flue gas leading.
As a preferred solution, the exhaust gas effuser road is additionally provided with exhaust gas outflow triple valve, the waste gas stream
Go out on triple valve the waste gas recovery pipeline for being communicated with and being connected with the air inlet pipe of engine.
As a preferred solution, being provided on the waste gas heat exchange tube road increases the contact area of exhaust gas and recirculated water
Area-increasing structures.
As a preferred solution, the area-increasing structures include being arranged at the spiral of the outer wall in waste gas heat exchange tube road
Connected in star.
As a preferred solution, the area-increasing structures include being arranged at the spiral of the outer wall in waste gas heat exchange tube road
Shape protrusion, the inner wall in the waste gas heat exchange tube road are provided with the spiral shape inner groovy with spiral shape protrusion Corresponding matching.
As a preferred solution, the housing include intermediate cavity and positioned at intermediate cavity both ends inlet plenum and
Outlet chamber, the inlet plenum and outlet chamber are separated respectively with intermediate cavity by first partition and second partition, described
The both ends in waste gas heat exchange tube road are through first partition and second partition and are welded and fixed with it, the exhaust gas recirculation pipeline and air inlet
Chamber, the exhaust gas effuser road and outlet chamber.
After employing above-mentioned technical proposal, the effect of the utility model is：The waste gas heat recycling system utilizes exhaust gas
Heat exchanger carries out heat exchange by exhaust gas and for cooling down the cooling water of engine, makes the heat transfer in exhaust gas to cooling water
In, the cooling water after heating can make heating in automobile be heated rapidly to the proper temperature of heating needs with heat exchanger, may be used also
So as to heating effect is rapidly achieved under bitter cold weather in automobile.
Again since exhaust gas effuser road is additionally provided with exhaust gas outflow triple valve, connected on exhaust gas outflow triple valve
There is the waste gas recovery pipeline connected with the air inlet pipe of engine, therefore, which can be by the exhaust gas of discharge again
Part is sent into engine and participation burning is mixed with the fresh air of entrance, and exhaust gas is by cooling, therefore reduction combustion chamber
Temperature, reduce the yield of oxynitrides.
Again since the area that the contact area for increasing exhaust gas and recirculated water is provided on the waste gas heat exchange tube road increases knot
Structure, the area-increasing structures can increase the heat exchanger effectiveness higher of contact area, exhaust gas and recirculated water.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the system schematic of the utility model embodiment；
Fig. 2 is the structure diagram of exhaust-heat exchanger；
Fig. 3 is the close-up schematic view in waste gas heat exchange tube road；
In attached drawing：1. engine；101. air-breathing isocon；102. exhaust gas isocon；2. interior heating heat exchanger；
21. heat exchanger body；22. heating fan；3. water circulating pump；4. exhaust-heat exchanger；41. intermediate cavity；42. outlet chamber
Room；43. go out inlet plenum；44. waste gas heat exchange tube；45. spiral groove；5. cooling water tank；6. water storage box；7. flue gas leading；8.
Inlet triplet for water valve；9. outlet three way valve；10. exhaust gas recirculation triple valve；11. exhaust gas recirculation pipeline；12. the 3rd outlet pipe；13.
First outlet pipe；14. the second outlet pipe；15. exhaust gas flows out triple valve；16. recirculated water enters pipe；17. circulating water flow goes out pipeline.
Specific embodiment
The utility model is described in further detail below by specific embodiment.
As shown in Figure 1 to Figure 3, a kind of 1 of automobile engine waste gas heat recycling system, including interior heating heat exchange
Device 2, water circulating pump 3, water storage box 6, cooling water tank 5 and water circulating pump 3, the cooling water outlet of engine 1 are connected to first
Outlet pipe 13, the second outlet pipe 14 and the 3rd outlet pipe 12, first outlet pipe 13 is connected with the entrance of cooling water tank 5, cold
But water tank 5 is used for cooling water temperature, is cooled down by the way of air-cooled, recirculated water has taken away the heat of engine 1 through supercooling
Water tank 5 is recycled to engine 1 after being cooled down, it is ensured that the steady operation at a suitable temperature of engine 1.
Second outlet pipe 14 is connected with the entrance of water storage box 6, and water storage box 6 is ensured in the flow line of cooling water enough
Cooling water, extra cooling water flow out of in water storage box 6 keep in.
3rd outlet pipe 12 is connected with interior heating with the entrance of heat exchanger 2, the car heating heat exchange
The outlet of device 2 is connected with the entrance of water circulating pump 3, and the outlet of water circulating pump 3 is connected with the cooling water inlet of engine 1, described
The entrance of the outlet of cooling water tank 5 and the outlet of water storage box 6 with water circulating pump 3 connects.
The waste gas heat recycling system further includes exhaust-heat exchanger 4, and the exhaust-heat exchanger 4 includes housing,
Several parallel waste gas heat exchange tubes 44 are fixed in the housing, being provided with recirculated water on the housing enters 16 He of pipeline
Circulating water flow goes out pipeline 17, and the recirculated water enters pipeline 16 and connected by inlet triplet for water valve 8 with the 3rd outlet pipe 12, described to follow
Is provided with outlet three way valve 9 on ring water outflow pipeline 17, two of the outlet three way valve 9 outlets respectively with the 3rd outlet pipe 12 and
The entrance connection of water storage box 6；The entrance of the waste gas heat exchange tube 44 is connected with exhaust gas recirculation pipeline 11, exhaust gas recirculation pipeline 11
It is connected with the flue gas leading 7 of engine 1 by exhaust gas recirculation triple valve 10, the outlet of the waste gas heat exchange tube 44 is connected with exhaust gas
Pipeline is flowed out, which connects with flue gas leading 7.
The exhaust gas effuser road is additionally provided with exhaust gas outflow triple valve 15, is communicated on exhaust gas outflow triple valve 15
The waste gas recovery pipeline connected with the air inlet pipe of engine 1.The air-breathing isocon of the air inlet pipe connection engine 1 of engine 1
101, the exhaust gas isocon 102 of engine 1 connects flue gas leading 7.
As shown in Figures 2 and 3, the housing includes intermediate cavity 41 and goes out inlet chamber positioned at 41 both ends of intermediate cavity
Room 43 and outlet chamber 42, it is described go out inlet plenum 43 and outlet chamber 42 respectively with intermediate cavity 41 by first partition and
Second partition separates, and the both ends of the waste gas heat exchange tube 44 are welded and fixed through first partition and second partition and with it, institute
It states exhaust gas recirculation pipeline 11 and is connected with going out inlet plenum 43, the exhaust gas effuser road is connected with outlet chamber 42.
The area-increasing structures for the contact area for increasing exhaust gas and recirculated water are provided on the waste gas heat exchange tube 44.
The area-increasing structures include the spiral groove 45 for being arranged at the outer wall of waste gas heat exchange tube 44.And exhaust gas changes
The inner wall of heat pipe 44 be pipe, the present embodiment preferably structure, low manufacture cost.
Certainly, the area-increasing structures further include the spiral shape protrusion for the outer wall for being arranged at waste gas heat exchange tube 44, institute
The inner wall for stating waste gas heat exchange tube 44 is provided with spiral shape inner groovy with spiral shape protrusion Corresponding matching.Can also equally it increase
The heat exchange effect of waste gas heat exchange tube 44.
Above-mentioned all triple valves, water circulating pump 3 are automatically controlled using the electronic control unit of automobile assembling, belong to existing
There is technology.
The operation principle of the waste gas heat recycling system of the utility model is：
First, from the point of view of the flow direction of cooling water (recirculated water), water circulating pump 3 provides power for the flowing of entire cooling water,
By the cooling water in water storage box 6 and cooling water tank 5 by 1 cylinder body of engine, the interior cooling water formed of cylinder body leads to water circulating pump 3
Road (not marked on figure) is circulated in 1 various pieces of engine, so as to cool down the engine 1 heated due to fuel combustion.It is cold afterwards
Above-mentioned engine 1 makes cooling water be warming up to certain temperature to enter interior heating heat exchanger by 8 vehicle of inlet triplet for water valve
2, and the heat for the heat exchanger body 21 that will heat up using heating fan 22 is blown into car and car is made to reach appropriate temperature.
The exhaust gas that the air introduced from the point of view of the flow direction of exhaust gas by air-breathing isocon 101 and fuel combustion generate passes through
Exhaust gas isocon 102 and flue gas leading 7 emit, and a part of exhaust gas passes through exhaust gas recirculation triple valve 10, exhaust gas recirculation pipeline
11 enter in the waste gas heat exchange tube 44 in exhaust-heat exchanger 4, then flow out the control of triple valve 15 through air-breathing by exhaust gas
Isocon 101 flows to engine 1 or is discharged by flue gas leading 7.
And when vehicle interior temperature is inadequate or vehicle is outside bitter cold weather, cooling water is introduced into cycling by inlet triplet for water valve 8
Water enters pipeline 16, then enters in the intermediate cavity 41 of housing and carries out heat exchange with the exhaust gas in waste gas heat exchange tube 44,
In this way, cooling water heats up, go out pipeline 17 using circulating water flows and outlet three way valve 9 is flowed into interior heating heat exchanger 2
In, in this way, just make use of the heat in exhaust gas in the heat of cooling water.Such as the above, when the temperature of cooling water is relatively low, it is less than
During temperature needed for car inside heating, cooling water can be passed through by outlet three way valve 9 by cooling water heat exchanger body 21
Water storage box 6 is flowed into immediately after being heated by exhaust-heat exchanger 4, and engine 1 is then flowed by water circulating pump 3, makes engine 1
It is brought rapidly up.
Embodiment described above is only the description to the preferred embodiment of the present invention, not as the limit to the scope of the invention
Fixed, the various modifications made to technical solution of the present invention on the basis of design spirit of the present invention is not departed from and transformation should all fall
Enter in the protection domain that claims of the present invention determines.
Claims (6)
1. a kind of vehicle engine exhaust gas recuperation of heat utilizes system, including interior heating heat exchanger, water circulating pump, water storage
Case, cooling water tank and water circulating pump, the cooling water outlet of engine are connected to the first outlet pipe, the second outlet pipe and the 3rd
Outlet pipe, first outlet pipe are connected with the entrance of cooling water tank, and second outlet pipe is connected with the entrance of water storage box, institute
It states the 3rd outlet pipe to be connected with the entrance of heat exchanger with interior heating, the outlet of the car heating heat exchanger and cycling
The entrance connection of water pump, the outlet of water circulating pump are connected with the cooling water inlet of engine, the outlet of the cooling water tank and storage
The outlet of water tank is connected with the entrance of water circulating pump；It is characterized in that：The waste gas heat recycling system further includes exhaust gas
Heat exchanger, the exhaust-heat exchanger include housing, several parallel waste gas heat exchange tube roads, institute are fixed in the housing
It states and is provided with that recirculated water enters pipeline and circulating water flow goes out pipeline on housing, the recirculated water enters pipeline and passes through inlet triplet for water valve
It is connected with the 3rd outlet pipe, the circulating water flow outlet pipe road is provided with outlet three way valve, two outlets of the outlet three way valve
The entrance with the 3rd outlet pipe and water storage box connects respectively；The entrance in the waste gas heat exchange tube road is connected with exhaust gas recirculation pipeline,
Exhaust gas recirculation pipeline is connected with the flue gas leading of engine by exhaust gas recirculation triple valve, the outlet connection in the waste gas heat exchange tube road
There is exhaust gas effuser road, which connects with flue gas leading.
2. a kind of vehicle engine exhaust gas recuperation of heat as described in claim 1 utilizes system, it is characterised in that：The waste gas stream
Outlet pipe road is additionally provided with exhaust gas outflow triple valve, is communicated with what is connected with the air inlet pipe of engine on exhaust gas outflow triple valve
Waste gas recovery pipeline.
3. a kind of vehicle engine exhaust gas recuperation of heat as claimed in claim 2 utilizes system, it is characterised in that：The exhaust gas changes
The area-increasing structures for the contact area for increasing exhaust gas and recirculated water are provided on hot channel.
4. a kind of vehicle engine exhaust gas recuperation of heat as claimed in claim 3 utilizes system, it is characterised in that：The area increases
Structure is added to include being arranged at the spiral groove of the outer wall in waste gas heat exchange tube road.
5. a kind of vehicle engine exhaust gas recuperation of heat as claimed in claim 3 utilizes system, it is characterised in that：The area increases
Structure is added to include the spiral shape protrusion for being arranged at the outer wall in waste gas heat exchange tube road, the inner wall in the waste gas heat exchange tube road be provided with
The spiral shape inner groovy of spiral shape protrusion Corresponding matching.
6. a kind of vehicle engine exhaust gas recuperation of heat as claimed in claim 5 utilizes system, it is characterised in that：The housing bag
Include intermediate cavity and inlet plenum and outlet chamber positioned at intermediate cavity both ends, the inlet plenum and outlet chamber respectively with
Intermediate cavity is separated by first partition and second partition, the both ends in the waste gas heat exchange tube road through first partition and second every
Plate is simultaneously welded and fixed with it, and the exhaust gas recirculation pipeline is connected with inlet plenum, and the exhaust gas effuser road connects with outlet chamber
It is logical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721364838.4U CN207377633U (en) | 2017-10-23 | 2017-10-23 | A kind of vehicle engine exhaust gas recuperation of heat utilizes system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721364838.4U CN207377633U (en) | 2017-10-23 | 2017-10-23 | A kind of vehicle engine exhaust gas recuperation of heat utilizes system |
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| Publication Number | Publication Date |
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| CN207377633U true CN207377633U (en) | 2018-05-18 |
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| CN201721364838.4U Active CN207377633U (en) | 2017-10-23 | 2017-10-23 | A kind of vehicle engine exhaust gas recuperation of heat utilizes system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458537A (en) * | 2018-06-04 | 2018-08-28 | 东莞市昭鼎环保科技有限公司 | A kind of radiator under low temperature environment |
-
2017
- 2017-10-23 CN CN201721364838.4U patent/CN207377633U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108458537A (en) * | 2018-06-04 | 2018-08-28 | 东莞市昭鼎环保科技有限公司 | A kind of radiator under low temperature environment |
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