CN207715201U - A kind of double ORC afterheat utilizing systems of Vehicular internal combustion engine - Google Patents
A kind of double ORC afterheat utilizing systems of Vehicular internal combustion engine Download PDFInfo
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- CN207715201U CN207715201U CN201820027046.6U CN201820027046U CN207715201U CN 207715201 U CN207715201 U CN 207715201U CN 201820027046 U CN201820027046 U CN 201820027046U CN 207715201 U CN207715201 U CN 207715201U
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- working medium
- internal combustion
- combustion engine
- orc
- evaporator
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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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Abstract
The utility model provides a kind of double ORC afterheat utilizing systems of Vehicular internal combustion engine, including engine cycle system, first ORC system and the second ORC system, engine cycle system includes internal combustion engine, compressor, charge air cooler and turbine, the gas of compressor discharge enters internal combustion engine by charge air cooler, the waste gas residual heat of internal combustion engine provides kinetic energy for turbine, turbine drives compressor work, first ORC system includes the first working medium pump, first evaporator, first expanding machine, first condenser and the first generator, second ORC system includes the second working medium pump, regenerator, second evaporator, second expanding machine, second condenser and the second generator.For the system to recycle automobile-used engine exhaust gas waste heat, charge air cooler waste heat and coolant waste heat, heat transfer temperature difference is small, and acting capacity loss is small, and total energy utilization ratio can be improved.
Description
Technical field
The utility model is related to afterheat of IC engine to utilize field, the more particularly to double ORC UTILIZATION OF VESIDUAL HEAT INs of a kind of Vehicular internal combustion engine
System.
Background technology
From the point of view of the Energy Sources Equilibrium of internal combustion engine, the effective power of output generally only accounts for the 30%-45% of fuel oil burning total amount of heat
（Diesel engine）Or 20%-30%（Gasoline engine）, other than less than 10% for overcoming friction constant power loss, remaining waste heat energy
Amount mainly passes through exhaust（200-700℃）With cooling medium（Cooling water, machine oil heat dissipation etc., 85-120 DEG C）It is discharged into air
In.Therefore it is to improve overall energetic efficiency by the waste heat energy Efficient Conversion of internal combustion engine recycling, reduces oil consumption and reduce pollutant emission
An effective way.
Organic Rankine Cycle（ORC）It is the effective way realized low grade heat energy and utilized.Organic Rankine Cycle is with low boiling point
Organic matter is working medium, and generating steam by heat absorption enters expanding machine acting, drives electrical power generators.For afterheat of IC engine, have
Machine Rankine cycle is to realize its heat recovery, improves the suitable selection of energy utilization efficiency.
The existing generally only single organic Rankine of the system that Organic Rankine Cycle is applied to afterheat of IC engine recycling
Cycle, utilization rate of waste heat is relatively low, does not make full use of charge air cooler waste heat and coolant waste heat.
Invention content
The technical problem to be solved by the utility model is to provide a kind of double ORC afterheat utilizing systems of Vehicular internal combustion engine, use
To recycle automobile-used afterheat of IC engine, total energy utilization ratio is improved.
In order to solve the above technical problems, technical solution used by the utility model is：More than a kind of double ORC of Vehicular internal combustion engine
Heat utilization system, including engine cycle system, the first ORC system and the second ORC system, engine cycle system include internal combustion
The gas of machine, compressor, charge air cooler and turbine, compressor discharge enters internal combustion engine by charge air cooler, more than the exhaust gas of internal combustion engine
Heat provides kinetic energy for turbine, and turbine drives compressor work；
First ORC system includes the first working medium pump, the first evaporator, the first expanding machine, the first condenser and first
Generator, liquid organic working medium constitute through the first working medium pump, the first evaporator, the first expanding machine and the first condenser recycle successively
The coolant liquid in circuit, internal combustion engine is cooled down by the first evaporator, and it is swollen that the organic working medium steam that the first evaporator generates enters first
Swollen machine acting drives the first electrical power generators；
Second ORC system includes the second working medium pump, regenerator, the second evaporator, the second expanding machine, the second condenser
With the second generator, liquid organic working medium passes through the second working medium pump, regenerator, the second evaporator, the second expansion, regenerator successively
And second condenser formed circulation loop, turbine discharge waste gas residual heat provide heat for the second evaporator.
In preferred scheme, the liquid organic working medium of the first working medium pump discharge enters the first evaporation after flowing through charge air cooler
Device.
In preferred scheme, the liquid organic working medium of the first working medium pump discharge enters first after flowing through the second condenser
Evaporator.
In preferred scheme, the liquid organic working medium of the first working medium pump discharge condenses followed by charge air cooler and second
Enter the first evaporator after device.
A kind of double ORC afterheat utilizing systems of Vehicular internal combustion engine provided by the utility model, can not only recycle internal combustion
The exhaust heat of machine, and the waste heat of waste heat and charge air cooler that cooling liquid of IC engine distributes can be recycled.This system structure is tight
It gathers, heat transfer temperature difference is small, and acting capacity loss is small, and internal combustion engine total energy utilization ratio can be improved, have preferable practicability.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1 is the overall structure diagram of the utility model.
In figure：1- internal combustion engines, 2- compressors, 3- charge air coolers, 4- turbines, the first working medium pumps of 5-, the second condensers of 6-, 7-
Second working medium pump, 8- regenerators, the second expanding machines of 9-, the second evaporators of 10-, the first evaporators of 11-, the first expanding machines of 12-,
The first condensers of 13-, the second generators of 14-, the first generators of 15-.
Specific implementation mode
In Fig. 1, a kind of double ORC afterheat utilizing systems of Vehicular internal combustion engine, including engine cycle system, the first ORC systems
System and the second ORC system, engine cycle system includes internal combustion engine 1, compressor 2, charge air cooler 3 and turbine 4,2 row of compressor
The gas gone out enters internal combustion engine 1 by charge air cooler 3, and the waste gas residual heat of internal combustion engine 1 is that turbine 4 provides kinetic energy, and turbine 4 drives
Compressor 2 works；
First ORC system includes the first working medium pump 5, the first evaporator 11, the first expanding machine 12, the first condenser 13
With the first generator 15, liquid organic working medium is successively through the first working medium pump 5, the first evaporator 11, the first expanding machine 12 and first
Condenser 13 constitutes circulation loop, and the coolant liquid of internal combustion engine 1 is cooled down by the first evaporator 11, and what the first evaporator 11 generated has
Machine working substance steam enters the acting of the first expanding machine 12 and drives the power generation of the first generator 15；
Second ORC system includes the second working medium pump 7, regenerator 8, the second evaporator 10, the second expanding machine 9, second
Condenser 6 and the second generator 14, liquid organic working medium pass through the second working medium pump 7, regenerator 8, the second evaporator 10, the successively
Two expanding machines 9, regenerator 8 and the second condenser 6 form circulation loop, and the waste gas residual heat that turbine 4 is discharged is the second evaporation
Device 10 provides heat.
The liquid organic working medium that first working medium pump 5 is discharged is followed by entering the after charge air cooler 3 and the second condenser 6
One evaporator 11.The heat distributed using charge air cooler 3 and the second condenser 6 improves utilization rate of waste heat.
Air pressure and temp after the compression of compressor 2 increases.The outlet of compressor 2 connection charge air cooler 3, compressed air is cold in
Heat release cools down in device 3.The compressed air come out from charge air cooler 3 enters internal combustion engine 1 and provides oxygen for fuel combustion, from internal combustion engine 1
The exhaust gas of discharge is sent to turbine 4.Turbine 4 generates kinetic energy using the waste gas residual heat that internal combustion engine 1 is discharged, and drives compressor 2
Work.The exhaust gas that work(is finished in turbine 4 also has higher temperature, therefore is led to the second evaporator 10 and be used as second
The high temperature heat source of ORC system uses.
Liquid organic working medium enters charge air cooler 3 after the compression of the first working medium pump 5, absorbs the heat that compressed air is released and makes
Temperature of Working rises.The waste heat of charge air cooler 3 is made full use of to realize the first time heating of working medium in the first ORC system, then working medium
The second condenser 6 is entered back into, absorbing the released heat of the condensation of the working medium in the second ORC system keeps temperature further up, most
The heat of 1 coolant liquid of internal combustion engine is absorbed into the first evaporator 11 afterwards to become organic steam.Organic working medium steam enters first
Expanding machine 12 does work, and drives the power generation of the first generator 15.The steam vapour that work(is finished in the first expanding machine 12 enters the first condensation
It is condensed into liquid refrigerant in device 13, enters back into working medium pump 5, to complete a working cycles.
Enter regenerator 8 after liquid organic working medium is pressurized in the second working medium pump 7 in the second ORC system to preheat, make
Temperature of Working increases, and the surplus for then entering back into the exhaust gas that the absorption of the second evaporator 10 is discharged from turbine 4 becomes steam.It is organic
Working substance steam is done work into the second expanding machine 9, drives the power generation of the second generator 14.The organic of work(is finished in the second expanding machine 9
Working substance steam also has certain degree of superheat, therefore is introduced into regenerator 8 to heat liquid refrigerant, fully recycles heat, diminution is changed
The hot temperature difference reduces acting capacity loss.The working medium come out from regenerator 8 enters back into condensation heat in the second condenser 6, and heat
Amount passes to the working medium in the first ORC system.Liquid refrigerant after condensation enters the second working medium pump 7, to complete a job
Cycle.
The above embodiments are only the optimal technical scheme of the utility model, and are not construed as the limit for the utility model
System, the technical solution that the scope of protection of the utility model should be recorded with claim include the technical solution of claim record
The equivalents of middle technical characteristic are protection domain.Equivalent replacement i.e. within this range is improved, also in the utility model
Protection domain within.
Claims (4)
1. a kind of double ORC afterheat utilizing systems of Vehicular internal combustion engine, it is characterised in that：Including engine cycle system, the first ORC systems
System and the second ORC system, engine cycle system includes internal combustion engine（1）, compressor（2）, charge air cooler（3）And turbine（4）, pressure
Mechanism of qi（2）The gas of discharge passes through charge air cooler（3）Into internal combustion engine（1）, internal combustion engine（1）Waste gas residual heat be turbine（4）It carries
For kinetic energy, turbine（4）Drive compressor（2）Work；
First ORC system includes the first working medium pump（5）, the first evaporator（11）, the first expanding machine（12）, the first condenser
（13）With the first generator（15）, liquid organic working medium is successively through the first working medium pump（5）, the first evaporator（11）, first expansion
Machine（12）With the first condenser（13）Constitute circulation loop, internal combustion engine（1）Coolant liquid pass through the first evaporator（11）It is cooling, the
One evaporator（11）The organic working medium steam of generation enters the first expanding machine（12）Acting drives the first generator（15）Power generation；
Second ORC system includes the second working medium pump（7）, regenerator（8）, the second evaporator（10）, the second expanding machine（9）、
Second condenser（6）With the second generator（14）, liquid organic working medium is successively by the second working medium pump（7）, regenerator（8）,
Two evaporators（10）, the second expanding machine（9）, regenerator（8）And second condenser（6）Form circulation loop, turbine（4）Row
The waste gas residual heat gone out is the second evaporator（10）Heat is provided.
2. a kind of double ORC afterheat utilizing systems of Vehicular internal combustion engine according to claim 1, it is characterised in that：Described first
Working medium pump（5）The liquid organic working medium of discharge flows through charge air cooler（3）Enter the first evaporator afterwards（11）.
3. a kind of double ORC afterheat utilizing systems of Vehicular internal combustion engine according to claim 1, it is characterised in that：Described first
Working medium pump（5）The liquid organic working medium of discharge flows through the second condenser（6）Enter the first evaporator afterwards（11）.
4. a kind of double ORC afterheat utilizing systems of Vehicular internal combustion engine according to claim 2, it is characterised in that：Described first
Working medium pump（5）The liquid organic working medium of discharge is followed by charge air cooler（3）With the second condenser（6）Enter the first evaporator afterwards
（11）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820027046.6U CN207715201U (en) | 2018-01-08 | 2018-01-08 | A kind of double ORC afterheat utilizing systems of Vehicular internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820027046.6U CN207715201U (en) | 2018-01-08 | 2018-01-08 | A kind of double ORC afterheat utilizing systems of Vehicular internal combustion engine |
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| Publication Number | Publication Date |
|---|---|
| CN207715201U true CN207715201U (en) | 2018-08-10 |
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| CN201820027046.6U Expired - Fee Related CN207715201U (en) | 2018-01-08 | 2018-01-08 | A kind of double ORC afterheat utilizing systems of Vehicular internal combustion engine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081682A (en) * | 2019-06-13 | 2020-12-15 | 大众汽车有限公司 | Drive unit for a motor vehicle with a cyclic process device |
| CN114207258A (en) * | 2019-07-23 | 2022-03-18 | Avl李斯特有限公司 | Method for operating an internal combustion engine |
-
2018
- 2018-01-08 CN CN201820027046.6U patent/CN207715201U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081682A (en) * | 2019-06-13 | 2020-12-15 | 大众汽车有限公司 | Drive unit for a motor vehicle with a cyclic process device |
| CN114207258A (en) * | 2019-07-23 | 2022-03-18 | Avl李斯特有限公司 | Method for operating an internal combustion engine |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180810 Termination date: 20190108 |