CN207420711U - The energy-recuperation system of asymmetric double runner turbocharged engine - Google Patents
The energy-recuperation system of asymmetric double runner turbocharged engine Download PDFInfo
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- CN207420711U CN207420711U CN201721458543.3U CN201721458543U CN207420711U CN 207420711 U CN207420711 U CN 207420711U CN 201721458543 U CN201721458543 U CN 201721458543U CN 207420711 U CN207420711 U CN 207420711U
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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
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- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The utility model is related to a kind of energy-recuperation system of asymmetric double runner turbocharged engine, including asymmetric Double flow path turbo-charger, power turbine system and exhaust heat recovery generator device；Asymmetric Double flow path turbo-charger is arranged in enmgine exhaust outlet；Power turbine in power turbine system is connected with the turbine outlet of asymmetric Double flow path turbo-charger, the bent axle connection of power coupler and engine；Exhaust heat recovery generator device is based on Organic Rankine Cycle, and is connected with power turbine exit.Compared with prior art, engine Effective power can be increased, exhaust heat recovery generator device can promote expanding machine to do work, pushing generator power generation, can the thermal efficiency highest of engine be promoted 3%~6% using the energy-recuperation system of this asymmetric double runner turbocharged engine.
Description
Technical field
The utility model belongs to technical field of internal combustion engines, is related to a kind of energy of asymmetric double runner turbocharged engine
Recovery system.
Background technology
Engine compression ratio substantial scope is 10~18 at present, and engine thermal efficiency is generally 35%~45%, fuel spray
It injects and is compressed burning into cylinder, air is discharged into after expansion work, exhaust energy accounts for total fuel energy 20%~30%, this portion
Dividing energy, do not utilized very well.As the energy and environmental problem are on the rise, the demand of engine energy-saving emission reduction is continuous
It improves, exhaust energy recycling system receives more and more extensive concern.Engine power recovery technology mainly includes dynamic
Power turbine technology and exhaust heat recovery generator technology, power turbine technology are to be converted into engine exhaust energy by power turbine
Mechanical energy passes to bent axle acting or drives electrical power generators, and exhaust heat recovery generator technology is the temperature using exhaust and air
Difference is generated electricity or the generation technology based on Brayton cycle, Organic Rankine Cycle.Existing engine exhaust energy recycling
System is the single engine exhaust energy recovery system based on power turbine or Rankine cycle using main device, arrangement
In the port of export of turbocharger, energy regenerating utilization rate is relatively low, and engine thermal efficiency is only capable of promotion 2%~3%, can not be to hair
Motivation exhaust energy is made full use of.In addition, above-mentioned is all the energy regenerating for matching symmetrical dual channel turbocharged engine
System, such as prior art patent document 1 (CN204476552U), patent document 2 (CN102661194A), patent document 3
(CN101566113) it is common turbocharger that engine disclosed in is matched, is started involved by three patent documents
Machine exhaust energy recovery system is based on power turbine or Rankine cycle using main device, is single engine exhaust energy
Recovery system is measured, energy regenerating utilization rate is relatively low.The system of patent document 2 employs two coaxial two turbines even, is respectively
First turbine and the second turbine, in engine working process, from the first turbine flow out engine exhaust in heat exchanger handle
The flow media heating of the second turbine is flowed through, system reliability risk is larger.
Currently for the energy-recuperation system of asymmetric double runner turbocharged engine, there is not been reported.
Utility model content
Situation for the above-mentioned prior art, the purpose of this utility model is that asymmetric double runner turbocharged engine
A kind of engine power recovery system is provided, effectively recycling and using engine exhaust energy, improve the work of entire engine
Efficiency.
The utility model solves technical problem and adopts the following technical scheme that：A kind of asymmetric double runner turbocharged engine
Energy-recuperation system, including asymmetric Double flow path turbo-charger, power turbine system and exhaust heat recovery generator device；
The asymmetric Double flow path turbo-charger is arranged in enmgine exhaust outlet；The power turbine system
Power turbine in system is connected with the turbine outlet of asymmetric Double flow path turbo-charger, the song of power coupler and engine
Axis connection；The exhaust heat recovery generator device is based on Organic Rankine Cycle, and is connected with power turbine exit.
Optionally, the asymmetric Double flow path turbo-charger includes turbine and compressor；Turbine and compressor
Coaxially.
Optionally, the power turbine system further includes transmission shaft, clutch, gear reduction unit and power coupler；
The power turbine of power turbine system is connected with the outlet of the turbine of asymmetric Double flow path turbo-charger；Power turbine is successively
Connect transmission shaft, clutch, gear reduction unit and power coupler.
Optionally, the exhaust heat recovery generator device includes evaporator, expanding machine, permanent magnet generator, regenerator, condensation
Device, fluid reservoir and working medium pump；
The import of the hot fluid pipeline of the evaporator is connected to the gas outlet of the power worm gear of the power turbine system,
The outlet of the hot fluid pipeline of the evaporator is connected to air；The outlet of the cold fluid pipeline of the evaporator is connected to expansion
The import of machine, the outlet of the expanding machine are connected to the import of the hot fluid pipeline of the regenerator, and the expanding machine with
The permanent magnet generator is sequentially connected；
The hot fluid tube outlet of the regenerator is connected with the import of the hot fluid pipeline of the condenser, the condensation
The outlet of the hot fluid pipeline of device is connected with the fluid reservoir, and the import of the working medium pump is connected with the fluid reservoir, and institute
The outlet for stating working medium pump is connected with the entrance of the cold fluid pipeline of the regenerator, the outlet of the cold fluid pipeline of the regenerator
It is connected with the entrance of the cold fluid pipeline of the evaporator.
Optionally, the working medium that exhaust heat recovery generator device uses is R245fa.
The utility model has the advantages that：The energy of the asymmetric double runner turbocharged engine of the utility model
Recovery system is measured, under the slow-speed of revolution and running on the lower load, the idle running of wheel power turbine is made without doing work by clutch control.Middle height
When rotating speed and middle and high load working condition, by clutch control power turbine output mechanical energy is made to pass to bent axle and do work, increase hair
Motivation Effective power.Exhaust heat recovery generator device absorbs exhaust heat by working medium and evaporates, after the gas after evaporation enters expanding machine
Promote expanding machine acting, pushing generator power generation.Using the energy-recuperation system of this asymmetric double runner turbocharged engine
The thermal efficiency highest of engine can be promoted 3%~6%.
Description of the drawings
Fig. 1 is the energy-recuperation system structure diagram of asymmetric double runner turbocharged engine；
The mark in the figure shows：1- engines；The asymmetric Double flow path turbo-chargers of 2-；21- turbines；22- compressors；
3- power turbine systems；31- power turbines；32- transmission shafts；33- clutches；34- gear reduction units；35- power couplers；4-
Exhaust heat recovery generator device；41- evaporators；42- expanding machines；43- permanent magnet generators；44- regenerators；45- condensers；46- is stored up
Flow container；47- working medium pumps.
Specific embodiment
The technical solution of the utility model is further elaborated with reference to embodiment and attached drawing.
Embodiment 1
A kind of energy-recuperation system of asymmetric double runner turbocharged engine is present embodiments provided, feature exists
In including asymmetric Double flow path turbo-charger, power turbine system and exhaust heat recovery generator device；
Asymmetric Double flow path turbo-charger 2 includes turbine 21 and compressor 22, and the turbine arrangement is in engine 1
Discharge manifold exports, and the power turbine 31 of power turbine system 3 goes out with the turbine 21 of asymmetric Double flow path turbo-charger 2
(that is, according to the exhaust airstream direction of engine 1, the power turbine 31 of the power turbine system is positioned at described non-right for mouth connection
Claim the downstream side of the turbine 21 of Double flow path turbo-charger 2), turbine 21 and compressor 22 are coaxial, and compressor is driven to rotate,
The compressor 22 provides the air of high pressure to engine 1, and power turbine 31 is subtracted by transmission shaft 32 and clutch 33 with gear
The input axis connection of fast device 34, the output shaft of the gear reduction unit 34 pass through power coupler 35 and the transmission of crankshaft of engine
Connection, 31 maximum speed of power turbine be 60000r/min, maximum expansion ratio 2, peak efficiency 80%, The gear deceleration
34 speed of device is than being 24.
Exhaust heat recovery generator device 4 is based on Organic Rankine Cycle, and exports and connect with power turbine 31.
In the present embodiment, the exhaust heat recovery generator device 4 include evaporator 41, expanding machine 42, permanent magnet generator 43, return
Hot device 44, condenser 45, fluid reservoir 46 and working medium pump 47, the working medium that exhaust heat recovery generator device 4 uses is R245fa.
The import of the hot fluid pipeline of the evaporator 41 is connected to going out for the power worm gear 31 of the power turbine system 3
Gas port, the outlet of the hot fluid pipeline of the evaporator 41 are connected to air；The outlet of the cold fluid pipeline of the evaporator 41
The import of expanding machine 42 is connected to, the outlet of the expanding machine 42 is connected to the import of the hot fluid pipeline of the regenerator 44,
And the expanding machine 42 is sequentially connected with the permanent magnet generator 43, to drive the engine 43 by the expanding machine 42
It rotates and generates electricity.
The hot fluid tube outlet of the regenerator 44 is connected with the import of the hot fluid pipeline of the condenser 45, described
The outlet of the hot fluid pipeline of condenser 45 is connected with the fluid reservoir, working medium after cooling is transported to fluid reservoir 46, institute
The import for stating working medium pump 47 is connected with the fluid reservoir 46, and the outlet of the working medium pump 47 and the cold flow of the regenerator 44
The entrance connection of body pipeline, the outlet of the cold fluid pipeline of the regenerator 44 and the entrance of the cold fluid pipeline of the evaporator
Connection, to form complete working medium circulation passage.
The energy-recuperation system of the asymmetric double runner turbocharged engine of the utility model, in the slow-speed of revolution and underload
Under operating mode, exhaust energy is less, and 31 efficiency of power turbine is low, makes power turbine transmission shaft 32 and gear by the control of clutch 33
Retarder 34 disconnects, and power turbine 31 dallies without doing work.When middle high rotating speed and middle and high load working condition, controlled by clutch 33
Power turbine transmission shaft 32 is made to be engaged with gear reduction unit 34, power turbine output mechanical energy is passed to by power coupler 35
The bent axle acting of engine 1, about promotes engine thermal efficiency 2%, different with engine operating condition.Exhaust heat recovery generator device
4 export working medium to working medium pump 47 by fluid reservoir 46, and working medium pump 47 promotes working medium to initially enter regenerator 44 and preheated, then
Heat absorption evaporation is carried out into evaporator 41, the gas after evaporation promotes expanding machine acting after entering expanding machine 42, drives and expands
The generator 43 that machine is coaxially connected generates electricity, and enters back into regenerator 44 and the working medium of subsequent cycle is preheated, most pass through afterwards
Condenser 45 is returned to after condensing in fluid reservoir 46, and into next cycling, total generated output during this promotes engine thermal
Efficiency about 3% is different with engine operating condition.
Engine exhaust can significantly be recycled using the energy-recuperation system of this asymmetric double runner turbocharged engine
In energy, the thermal efficiency highest of engine is promoted 5%.
The sequencing of above example only for ease of description, does not represent the quality of embodiment.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can modify to the technical solution recorded in foregoing embodiments or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is not made to depart from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (5)
1. a kind of energy-recuperation system of asymmetric double runner turbocharged engine, which is characterized in that including asymmetric double fluid
Road turbocharger, power turbine system and exhaust heat recovery generator device；
The asymmetric Double flow path turbo-charger is arranged in enmgine exhaust outlet；In the power turbine system
Power turbine be connected with the turbine outlet of asymmetric Double flow path turbo-charger, the bent axle of power coupler and engine connects
It connects；The exhaust heat recovery generator device is based on Organic Rankine Cycle, and is connected with power turbine exit.
2. the energy-recuperation system of asymmetric double runner turbocharged engine according to claim 1, it is characterised in that：
The asymmetric Double flow path turbo-charger includes turbine and compressor；Turbine is coaxial with compressor.
3. the energy-recuperation system of asymmetric double runner turbocharged engine according to claim 1 or 2, feature exist
In：The power turbine system further includes transmission shaft, clutch, gear reduction unit and power coupler；Power turbine system
Power turbine be connected with the outlet of the turbine of asymmetric Double flow path turbo-charger；Power turbine be sequentially connected transmission shaft,
Clutch, gear reduction unit and power coupler.
4. the energy-recuperation system of asymmetric double runner turbocharged engine according to claim 3, it is characterised in that：
The exhaust heat recovery generator device includes evaporator, expanding machine, permanent magnet generator, regenerator, condenser, fluid reservoir and working medium
Pump；
The import of the hot fluid pipeline of the evaporator is connected to the gas outlet of the power worm gear of the power turbine system, described
The outlet of the hot fluid pipeline of evaporator is connected to air；The outlet of the cold fluid pipeline of the evaporator is connected to expanding machine
Import, the outlet of the expanding machine are connected to the import of the hot fluid pipeline of the regenerator, and the expanding machine with it is described
Permanent magnet generator is sequentially connected；
The hot fluid tube outlet of the regenerator is connected with the import of the hot fluid pipeline of the condenser, the condenser
The outlet of hot fluid pipeline is connected with the fluid reservoir, and the import of the working medium pump is connected with the fluid reservoir, and the work
The outlet of matter pump is connected with the entrance of the cold fluid pipeline of the regenerator, the outlet of the cold fluid pipeline of the regenerator and institute
State the entrance connection of the cold fluid pipeline of evaporator.
5. the energy-recuperation system of asymmetric double runner turbocharged engine according to claim 4, it is characterised in that：
The working medium that exhaust heat recovery generator device uses is R245fa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721458543.3U CN207420711U (en) | 2017-11-03 | 2017-11-03 | The energy-recuperation system of asymmetric double runner turbocharged engine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721458543.3U CN207420711U (en) | 2017-11-03 | 2017-11-03 | The energy-recuperation system of asymmetric double runner turbocharged engine |
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| CN207420711U true CN207420711U (en) | 2018-05-29 |
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| CN201721458543.3U Active CN207420711U (en) | 2017-11-03 | 2017-11-03 | The energy-recuperation system of asymmetric double runner turbocharged engine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268129A (en) * | 2018-10-30 | 2019-01-25 | 东风商用车有限公司 | Engine compound turbine system with coupled power turbine and two-stage supercharging |
| CN112362351A (en) * | 2020-10-26 | 2021-02-12 | 北京动力机械研究所 | Closed cycle turbine and compressor performance cooperative test method |
| CN113202643A (en) * | 2021-05-28 | 2021-08-03 | 东风商用车有限公司 | System with energy recovery device and control method |
-
2017
- 2017-11-03 CN CN201721458543.3U patent/CN207420711U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109268129A (en) * | 2018-10-30 | 2019-01-25 | 东风商用车有限公司 | Engine compound turbine system with coupled power turbine and two-stage supercharging |
| CN112362351A (en) * | 2020-10-26 | 2021-02-12 | 北京动力机械研究所 | Closed cycle turbine and compressor performance cooperative test method |
| CN112362351B (en) * | 2020-10-26 | 2023-01-13 | 北京动力机械研究所 | Closed cycle turbine and compressor performance cooperative test method |
| CN113202643A (en) * | 2021-05-28 | 2021-08-03 | 东风商用车有限公司 | System with energy recovery device and control method |
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