CN101936216B - Pneumatic comprehensive utilization device of residual energy of exhaust gases - Google Patents
Pneumatic comprehensive utilization device of residual energy of exhaust gases Download PDFInfo
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- CN101936216B CN101936216B CN201010257075XA CN201010257075A CN101936216B CN 101936216 B CN101936216 B CN 101936216B CN 201010257075X A CN201010257075X A CN 201010257075XA CN 201010257075 A CN201010257075 A CN 201010257075A CN 101936216 B CN101936216 B CN 101936216B
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Abstract
The invention relates to a pneumatic comprehensive utilization device of residual energy of exhaust gases, belonging to the field of energy recovery of engine exhaust gases. In the invention, a controller is respectively connected with an engine working condition sensing subsystem, a residual gas power turbine pneumatic energy recovery subsystem, a pneumatic energy storage-conversion subsystem and a Rankine cycle pneumatic energy recovery subsystem, wherein the residual power turbine pneumatic energy recovery subsystem and the Rankine cycle pneumatic energy recovery subsystem can be both independently connected with the engine working condition sensing subsystem and the pneumatic energy storage-conversion subsystem in series to form an independent pneumatic type waste gas energy recovery system. The invention has the advantages of high energy recovery ratio by simultaneously utilizing the enthalpy of residual gases and the heat energy of waste gases, larger recovery portion and less energy conversion frequency by taking high pressure air as an energy conversion carrier, simple structure and fewer changes to an engine system and can conveniently realize the complementary energy recovery and the mechanical energy utilization of the engine.
Description
Technical field
The invention belongs to the engine exhaust technical field of energy recovery, be specifically related to the engine exhaust energy and produce high-pressure air, and be converted into the device of mechanical energy with pneumatic form by residual gas power turbine, Rankine cycle power turbine.
Background technique
Along with China's rapid economic development, energy shortage also is on the rise, and has energy-conservationly become the problem that various countries generally are concerned about.As the oil of main energy sources, its disparities between supply and demand are particularly outstanding, therefore for automobile industry, thereby how to reduce the fuel consume cost saving, become the focus and the forward position of research.
The high-temp waste gas that motor is discharged has been taken away the heat energy that is equivalent to useful horsepower, even this portion of energy part is utilized the Economy that also can improve diesel engine significantly.The research in this field mainly concentrates on based on the generating of Lang Ken circuit power turbine, absorption refrigeration, heat energy directly utilizes and field such as thermo-electric generation.Consider the purposes and the state of the art of vehicular engine, absorption refrigeration, heat energy directly utilize effective relatively poor, and simultaneously, Lang Ken circulating generation mode efficient is very low, and system is comparatively numerous and jumbled.Thermo-electric generation still is in the principle conceptual phase at present, because the thermo-electric generation cost of material is very high, energy recovery rate is very low.
Summary of the invention
The object of the present invention is to provide a kind of higher high pressure air of engine exhaust energy produce power density that utilizes, utilize pneumatic machinery energy reforming unit to realize the utilization of mechanical energy then, thereby conveniently utilize the engine exhaust energy, improve the engine exhaust surplus energy utility device that engine thermal efficiency reduces fuel consumption.
Engine operating condition perception subtense angle I is made up of motor 1, operating mode sensor 2, air inlet sensor 3, engine intake manifold 4, engine exhaust house steward 5 and engine exhaust sensor 6, and wherein motor 1 body is connected with operating mode sensor 2, the intake manifold 4 who is equipped with air inlet sensor 3, the exhaust manifold 5 that is equipped with engine exhaust sensor 6 respectively; Intake manifold 4 also is connected with controlled supercharging device 13 with the interstage cooler 12 that residual gas power turbine pneumatic energy reclaims among the subtense angle II respectively; Engine exhaust house steward 5 also is connected with residual gas power turbine 8 through the proportional control valve 7 that residual gas power turbine pneumatic energy reclaims among the subtense angle II; Engine operating condition perception subtense angle I also is connected with controller 35.
Residual gas power turbine pneumatic energy reclaims subtense angle II to be made up of proportional control valve 7, residual gas power turbine 8, driving mechanism 9, gas pressure mechanism 10, former machine air inlet pipeline 11, interstage cooler 12 and controlled supercharging device 13, and wherein the intake manifold 4 among proportional control valve 7, residual gas power turbine 8, driving mechanism 9, gas pressure mechanism 10, interstage cooler 12, the engine operating condition perception subtense angle I is connected in series; Former machine air inlet pipeline 11 is connected with gas pressure mechanism 10 inlets; The low-pressure inlet of controlled supercharging device 13 is connected with intake manifold 4 among the engine operating condition perception subtense angle I; Controlled supercharging device 13 supercharging outlets are connected with pressurized gas diverter valve 15 among the pneumatic energy storage-conversion subsystem III; Proportional control valve 7 inlet is connected with engine exhaust house steward 5 among the engine operating condition perception subtense angle I; Residual gas power turbine 8 two ends also are connected with the heat exchange vaporizer 23 that the Rankine cycle pneumatic energy reclaims among the subtense angle IV with driving mechanism 9 respectively; Residual gas power turbine pneumatic energy reclaims subtense angle II and also is connected with controller 35.
Pneumatic energy storage-conversion subsystem III is made up of pressurized gas sensor 14, pressurized gas diverter valve 15, high-pressure gas mechanism 16, high-pressure gas sensor 17, four-way Proportional valve 18, pneumatic motor 19, Rankine pressurized gas diverter valve 20 and Rankine pressurized gas sensor 21, wherein the inlet of pressurized gas diverter valve 15 is connected with the controlled supercharging device 13 that residual gas power turbine pneumatic energy reclaims among the subtense angle II, and two outlets of pressurized gas diverter valve 15 are connected with one of high-pressure gas mechanism 16, four-way Proportional valve 18 inlets respectively; Rankine pressurized gas diverter valve 20 inlets are connected with the controlled booster body 30 of Rankine that the Rankine cycle pneumatic energy reclaims among the subtense angle IV, and 20 outlets of Rankine pressurized gas diverter valve are connected with one of high-pressure gas mechanism 16, four-way Proportional valve 18 inlets respectively; 16 outlets of high-pressure gas mechanism are connected with one of four-way Proportional valve 18 inlets; 18 outlets of four-way Proportional valve are connected with pneumatic motor 19; Pressurized gas sensor 14, Rankine pressurized gas sensor 21, high-pressure gas sensor 17 place pressurized gas diverter valve 15 inlets, Rankine pressurized gas diverter valve 20 inlets, high-pressure gas mechanism 16 respectively; Pneumatic energy storage-conversion subsystem III also is connected with controller 35.
The Rankine cycle pneumatic energy reclaims subtense angle IV to be made up of calm the anger sensor 29, the controlled booster body 30 of Rankine, unidirectional suction booster 31, Rankine medium reservoir 32, condenser return channel 33, Rankine medium sensor 34 of Abgassensor 22, heat exchange vaporizer 23, baffler 24, phase transformation decompressor 25, Rankine power turbine 26, Rankine driving mechanism 27, Rankine gas pressure mechanism 28, Rankine, and wherein Rankine medium reservoir 32, unidirectional suction booster 31, heat exchange vaporizer 23, phase transformation decompressor 25, Rankine power turbine 26, condenser return channel 33 are connected in series; Rankine power turbine 26, Rankine driving mechanism 27, Rankine gas pressure mechanism 28, the controlled booster body 30 of Rankine are connected in series; Abgassensor 22, Rankine medium sensor 34, the Rankine sensor 29 of calming the anger places heat exchange vaporizer 23 inlet, 31 outlets of unidirectional suction booster and 28 outlets of Rankine gas pressure mechanism respectively; Heat exchange vaporizer 23 waste gas outlets are connected with baffler 24 inlets; Heat exchange vaporizer 23 inlets reclaim the outlet end of residual gas power turbine 8 among the subtense angle II respectively with residual gas power turbine pneumatic energy, and the by-pass port of proportional control valve 7 connects; Rankine pressurized gas diverter valve 20 inlets among the controlled booster body 30 supercharging outlets of Rankine and the pneumatic energy storage-conversion subsystem III are connected; The Rankine cycle pneumatic energy reclaims subtense angle IV and also is connected with controller 35.
Residual gas power turbine pneumatic energy reclaim subtense angle II, Rankine cycle pneumatic energy reclaim subtense angle IV all can be separately and engine operating condition perception subtense angle I and pneumatic energy storage-conversion subsystem III be connected in series, form independently pneumatic type exhaust energy reclaiming system.
Working procedure of the present invention is: when motor 1 running, but but the operating mode of the exhaust condition of exhaust sensor 6 detection of engine 1, operating mode sensor 2 detection of engine 1, and send controller 35 to.According to specific judgment principle, controller 35 is through the exhausted air quantity of proportional control valve 7 controls by residual gas power turbine 8, and residual gas power turbine 8 is realized rotatablely moving; Residual gas power turbine 8 will rotatablely move by driving mechanism 9 and be passed to gas pressure mechanism 10, gas pressure mechanism 10 with the gas compression in the former machine air inlet pipeline 11 to medium pressure, and enter intake manifold 4, controlled booster body 13 regulation and control are from intake manifold 4 tolerance, and under the regulation and control of controller 35, rise to more high pressure, be delivered to pressurized gas diverter valve 15.Said process has promptly realized utilizing the pneumatic recovery of residual gas power turbine exhaust energy of exhaust enthalpy energy.
Waste gas through proportional control valve 7 shuntings and 8 outlets of residual gas power turbine, still has certain heat energy, controller 35 is according to the calm the anger coherent signal of sensor 29,34 perception of Rankine medium sensor of Abgassensor 22, Rankine, control the flow and the outlet pressure of unidirectional suction booster 31, the Rankine working medium absorbs heat in heat exchange vaporizer 23, and the formation supersaturated steam, this high pressure steam becomes the high speed gaseous fluid by phase transformation decompressor 25, and drives its rotation by Rankine power turbine 26; Rankine power turbine 26 is by Rankine driving mechanism 27, to rotatablely move and be passed to Rankine gas pressure mechanism 28, Rankine gas pressure mechanism 28 is compressed to medium pressure with ambient air, the controlled booster body 30 regulation and control tolerance of Rankine, and under the regulation and control of controller 35, rise to high pressure, be delivered to Rankine pressurized gas diverter valve 20; Said process has promptly realized utilizing the Rankine cycle pneumatic energy of heat energy from waste gas to reclaim.
Pressurized gas sensor 14, Rankine pressurized gas sensor 21 perception respectively come from the pressurized gas state that residual gas power turbine pneumatic energy reclaims subtense angle II and Rankine cycle pneumatic energy recovery subtense angle IV, and be sent to controller 35, controller 35 is regulated and control the tolerance that pressurized gas diverter valve 15 and Rankine pressurized gas diverter valve 20 enter high-pressure gas mechanism 16 and four-way Proportional valve 18 according to special algorithm; Three inlets of four-way Proportional valve 18, can accept to come from the pressurized gas of pressurized gas diverter valve 15, Rankine pressurized gas diverter valve 20, high-pressure gas mechanism 16 individually or simultaneously, and be delivered to pneumatic motor 19 through outlet, produce rotating mechanical energies thereby drive pneumatic motor 19.Said process has promptly realized utilizing the energy storage and the conversion of pressurized gas.
Beneficial effect of the present invention is: utilize residual gas power turbine, Rankine cycle power turbine to drive booster body and produce the middle compression air, and, be delivered to high-pressure gas mechanism or four-way Proportional valve by diverter valve through the higher high-pressure air of controlled booster body produce power density.The pneumatic motor that is connected four-way Proportional valve outlet end produces the middling speed that makes things convenient for motor to use, the rotating mechanical energy of high pulling torque under the pressurized gas from caisson, two pressurized gas diverter valves promote.This system can utilize the enthalpy energy and the heat energy of engine exhaust simultaneously, and with the carrier of high-pressure air as transformation of energy, the recovery share is big, the transformation of energy number of times is few, simple in structure, it is little that engine system is changed, and can conveniently realize the recovery and the utilization of mechanical energy of motor complementary energy.
Description of drawings
Fig. 1 is the structural representation of the pneumatic comprehensive utilization device of discharge gas complementary energy
：I. II. III.- IV. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17.18. 19. 20. 21.22. 23. 24. 25. 26.27. 28. 29. 30.31. 32. 33. 34. 35.
Embodiment
Be further elaborated below in conjunction with 1 pair of technical solution of the present invention of accompanying drawing:
When motor 1 running, but but the operating mode of exhaust sensor 6 detection of engine exhaust conditions, operating mode sensor 2 detection of engine, and send controller 35 to.According to specific judgment principle, controller 35 is through the exhausted air quantity of proportional control valve 7 controls by residual gas power turbine 8, and residual gas power turbine 8 is realized rotatablely moving.Residual gas power turbine 8 will rotatablely move by driving mechanism 9 and be passed to gas pressure mechanism 10, to medium pressure and enter intake manifold 4, controlled booster body 13 regulation and control are from intake manifold 4 tolerance and rise to high-pressure delivery to high pressure air body diverter valve 15 with the gas compression in the former machine air inlet pipeline 11 for gas pressure mechanism 10.
Waste gas through proportional control valve 7 shuntings and 8 outlets of residual gas power turbine still has certain heat energy, controller 35 is according to the calm the anger coherent signal of sensor 29,34 perception of Rankine medium sensor of Abgassensor 22, Rankine, control the flow and the outlet pressure of unidirectional suction booster 31, the Rankine working medium absorbs heat in heat exchange vaporizer 23 and forms supersaturated steam, and this high pressure steam becomes the high speed gaseous fluid and drives its rotation by Rankine power turbine 26 by phase transformation decompressor 25.Rankine power turbine 26 will rotatablely move by Rankine driving mechanism 27 and be passed to Rankine gas pressure mechanism 28, Rankine gas pressure mechanism 28 is compressed to medium pressure with ambient air, and the controlled booster body 30 regulation and control tolerance of Rankine also rise to high-pressure delivery to Rankine pressurized gas diverter valve 20.
Pressurized gas sensor 14, Rankine pressurized gas sensor 21 perception respectively come from that residual gas power turbine pneumatic energy reclaims subtense angle II and the Rankine cycle pneumatic energy reclaims the pressurized gas state of subtense angle IV and is sent to controller 35, the tolerance that controller 35 enters high-pressure gas mechanism 16 and four-way Proportional valve 18 according to special algorithm regulation and control pressurized gas diverter valve 15 and Rankine pressurized gas diverter valve 20.Three inlets of four-way Proportional valve 18 can be accepted to come from the pressurized gas of pressurized gas diverter valve 15, Rankine high pressure diverter valve 20, high-pressure gas mechanism 16 individually or simultaneously and be delivered to pneumatic motor 19 through outlet, produce rotating mechanical energy thereby drive pneumatic motor 19.
The structural principle of technical solution of the present invention below only has been described with regard to the case study on implementation of motor, can have used fully in the more combustion dynamic power machine by this scheme.
In the practical application by residual gas power turbine 8, gas pressure mechanism 10, controlled booster body 13, pressurized gas diverter valve 15 as the residual gas power turbine pneumatic energy of main member reclaim subtense angle II and with the pneumatic exhaust energy of Rankine cycle that Rankine power turbine 26, Rankine gas pressure mechanism 28, Rankine pressurized gas diverter valve 20 constitute reclaim subtense angle IV can be separately and operating mode perception subtense angle I, pneumatic energy storage-conversion subsystem III constitute corresponding exhaust energy recovery holonomic system.
The controlled supercharging device 30 of controlled supercharging device 13 and Rankine has following function: 1. inlet has the controlled valve adjustment to enter its inner total discharge; 2. the internal pressurization degree is regulated by controller 35.
Claims (6)
1. pneumatic comprehensive utilization device of discharge gas complementary energy, it is characterized in that reclaiming subtense angle (II), pneumatic energy storage-conversion subsystem (III) and Rankine cycle pneumatic energy recovery subtense angle (IV) by controller (35), engine operating condition perception subtense angle (I), residual gas power turbine pneumatic energy forms, its middle controller (35) reclaims subtense angle (II), pneumatic energy storage-conversion subsystem (III) and Rankine cycle pneumatic energy recovery subtense angle (IV) with engine operating condition perception subtense angle (I), residual gas power turbine pneumatic energy respectively and is connected; Intake manifold (4) in the engine operating condition perception subtense angle (I) is connected with controlled supercharging device (13) with the interstage cooler (12) that residual gas power turbine pneumatic energy reclaims in the subtense angle (II) respectively, and engine exhaust house steward (5) is connected with residual gas power turbine (8) through the proportional control valve (7) that residual gas power turbine pneumatic energy reclaims in the subtense angle (II); The by-pass port of the outlet end of residual gas power turbine (8) and proportional control valve (7), all be connected with heat exchange vaporizer (23) inlet that the Rankine cycle pneumatic energy reclaims in the subtense angle (IV), controlled supercharging device (13) is connected with pressurized gas diverter valve (15) in the pneumatic energy storage-conversion subsystem (III); Rankine pressurized gas diverter valve (20) in the pneumatic energy storage-conversion subsystem (III) is connected with the controlled booster body of Rankine (30) that the Rankine cycle pneumatic energy reclaims in the subtense angle (IV).
2. by the pneumatic comprehensive utilization device of the described discharge gas complementary energy of claim 1, it is characterized in that described engine operating condition perception subtense angle (I) is made up of motor (1), operating mode sensor (2), air inlet sensor (3), engine intake manifold (4), engine exhaust house steward (5) and engine exhaust sensor (6), wherein motor (1) body is connected with operating mode sensor (2), the intake manifold (4) who is equipped with air inlet sensor (3), the exhaust manifold (5) that is equipped with engine exhaust sensor (6) respectively;
Intake manifold (4) also is connected with controlled supercharging device (13) with the interstage cooler (12) that residual gas power turbine pneumatic energy reclaims in the subtense angle (II) respectively; Engine exhaust house steward (5) also is connected with residual gas power turbine (8) through the proportional control valve (7) that residual gas power turbine pneumatic energy reclaims in the subtense angle (II); Engine operating condition perception subtense angle (I) also is connected with controller (35).
3. by the pneumatic comprehensive utilization device of the described discharge gas complementary energy of claim 1, it is characterized in that described residual gas power turbine pneumatic energy reclaims subtense angle (II) by proportional control valve (7), residual gas power turbine (8), driving mechanism (9), gas pressure mechanism (10), former machine air inlet pipeline (11), interstage cooler (12) and controlled supercharging device (13) are formed, wherein proportional control valve (7), residual gas power turbine (8), driving mechanism (9), gas pressure mechanism (10), interstage cooler (12), intake manifold (4) in the engine operating condition perception subtense angle (I) is connected in series; Former machine air inlet pipeline (11) is connected with gas pressure mechanism (10) inlet; The low-pressure inlet of controlled supercharging device (13) is connected with intake manifold (4) in the engine operating condition perception subtense angle (I); Controlled supercharging device (13) supercharging outlet is connected with pressurized gas diverter valve (15) in the pneumatic energy storage-conversion subsystem (III); Proportional control valve (7) inlet is connected with engine exhaust house steward (5) in the engine operating condition perception subtense angle (I); Residual gas power turbine (8) two ends also are connected with the heat exchange vaporizer (23) that the Rankine cycle pneumatic energy reclaims in the subtense angle (IV) with driving mechanism (9) respectively; Residual gas power turbine pneumatic energy reclaims subtense angle (II) and also is connected with controller (35).
4. by the pneumatic comprehensive utilization device of the described discharge gas complementary energy of claim 1, it is characterized in that described pneumatic energy storage-conversion subsystem (III) is by pressurized gas sensor (14), pressurized gas diverter valve (15), high-pressure gas mechanism (16), high-pressure gas sensor (17), four-way Proportional valve (18), pneumatic motor (19), Rankine pressurized gas diverter valve (20) and Rankine pressurized gas sensor (21) are formed, wherein the controlled supercharging device (13) that reclaims in the subtense angle (II) of the inlet of pressurized gas diverter valve (15) and residual gas power turbine pneumatic energy is connected, two outlets of pressurized gas diverter valve (15) respectively with high-pressure gas mechanism (16), one of four-way Proportional valve (18) inlet connects; Rankine pressurized gas diverter valve (20) inlet is connected with the controlled booster body of Rankine (30) that the Rankine cycle pneumatic energy reclaims in the subtense angle (IV), and Rankine pressurized gas diverter valve (20) outlet is connected with one of high-pressure gas mechanism (16), four-way Proportional valve (18) inlet respectively; High-pressure gas mechanism (16) outlet is connected with one of four-way Proportional valve (18) inlet; Four-way Proportional valve (18) outlet is connected with pneumatic motor (19); Pressurized gas sensor (14), Rankine pressurized gas sensor (21), high-pressure gas sensor (17) place pressurized gas diverter valve (15) inlet, Rankine pressurized gas diverter valve (20) inlet, high-pressure gas mechanism (16) respectively; Pneumatic energy storage-conversion subsystem (III) also is connected with controller (35).
5. by the pneumatic comprehensive utilization device of the described discharge gas complementary energy of claim 1, it is characterized in that described Rankine cycle pneumatic energy reclaims subtense angle (IV) by Abgassensor (22), heat exchange vaporizer (23), baffler (24), phase transformation decompressor (25), Rankine power turbine (26), Rankine driving mechanism (27), Rankine gas pressure mechanism (28), the Rankine sensor (29) of calming the anger, the controlled booster body of Rankine (30), unidirectional suction booster (31), Rankine medium reservoir (32), condenser return channel (33), Rankine medium sensor (34) is formed, wherein Rankine medium reservoir (32), unidirectional suction booster (31), heat exchange vaporizer (23), phase transformation decompressor (25), Rankine power turbine (26), condenser return channel (33) is connected in series; Rankine power turbine (26), Rankine driving mechanism (27), Rankine gas pressure mechanism (28), the controlled booster body of Rankine (30) are connected in series; Abgassensor (22), Rankine medium sensor (34), the Rankine sensor (29) of calming the anger places heat exchange vaporizer (23) inlet, unidirectional suction booster (31) outlet and Rankine gas pressure mechanism (28) to export respectively; Heat exchange vaporizer (23) waste gas outlet is connected with baffler (24) inlet; Heat exchange vaporizer (23) inlet reclaims the outlet end of residual gas power turbine (8) in the subtense angle (II) respectively with residual gas power turbine pneumatic energy, and the by-pass port of proportional control valve (7) connects; Rankine pressurized gas diverter valve (20) inlet in the controlled booster body of Rankine (30) supercharging outlet and the pneumatic energy storage-conversion subsystem (III) is connected; The Rankine cycle pneumatic energy reclaims subtense angle (IV) and also is connected with controller (35).
6. by the pneumatic comprehensive utilization device of the described discharge gas complementary energy of claim 1, it is characterized in that residual gas power turbine pneumatic energy reclaim subtense angle (II), Rankine cycle pneumatic energy reclaim subtense angle (IV) all can be separately and engine operating condition perception subtense angle (I) and pneumatic energy storage-conversion subsystem (III) be connected in series, form independently pneumatic type exhaust energy reclaiming system.
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| CN201010257075XA CN101936216B (en) | 2010-08-19 | 2010-08-19 | Pneumatic comprehensive utilization device of residual energy of exhaust gases |
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| CN201010257075XA CN101936216B (en) | 2010-08-19 | 2010-08-19 | Pneumatic comprehensive utilization device of residual energy of exhaust gases |
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| CN101936216B true CN101936216B (en) | 2011-11-09 |
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| CN102493851B (en) * | 2011-12-22 | 2015-07-01 | 吉林大学 | Energy-saving technology utilizing device of integrated type natural gas compressor |
| CN102857029B (en) * | 2012-08-13 | 2015-04-15 | 福建唐力电力设备有限公司 | Intelligent cooling device of waste heat of waste gas of diesel generating set and method |
| EP3486450A1 (en) * | 2017-11-15 | 2019-05-22 | Perkins Engines Company Limited | An exhaust flow control valve with integrated wastegate |
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| FR2449780A1 (en) * | 1979-02-22 | 1980-09-19 | Semt | METHOD AND APPARATUS FOR RECOVERING THERMAL ENERGY IN A SUPERFUELED INTERNAL COMBUSTION ENGINE |
| US4496291A (en) * | 1981-11-13 | 1985-01-29 | Grimmer John E | Compound turbocharger system for an internal combustion engine |
| JP2008008224A (en) * | 2006-06-29 | 2008-01-17 | Denso Corp | Waste heat utilization device |
| JP2010116804A (en) * | 2008-11-11 | 2010-05-27 | Toyota Motor Corp | Rankine cycle device |
| CN101566113B (en) * | 2009-06-03 | 2011-06-08 | 浙江银轮机械股份有限公司 | Engine waste heat recovery system based on organic rankine cycle |
| CN201739006U (en) * | 2010-08-19 | 2011-02-09 | 吉林大学 | Pneumatic comprehensive utilization device of exhaust gas remaining energy |
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