CN108150278A - A kind of internal-combustion engine system - Google Patents
A kind of internal-combustion engine system Download PDFInfo
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- CN108150278A CN108150278A CN201711275722.8A CN201711275722A CN108150278A CN 108150278 A CN108150278 A CN 108150278A CN 201711275722 A CN201711275722 A CN 201711275722A CN 108150278 A CN108150278 A CN 108150278A
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- turbine
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- combustion engine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
- F01K25/00—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for
- F01K25/08—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours
- F01K25/10—Plants or engines characterised by use of special working fluids, not otherwise provided for; Plants operating in closed cycles and not otherwise provided for using special vapours the vapours being cold, e.g. ammonia, carbon dioxide, ether
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/0205—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting from exhaust energy
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting from exhaust energy the devices using heat
- F01N5/025—Exhaust or silencing apparatus combined or associated with devices profiting from exhaust energy the devices using heat the device being thermoelectric generators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B41/00—Engines characterised by special means for improving conversion of heat or pressure energy into mechanical power
- F02B41/02—Engines with prolonged expansion
- F02B41/10—Engines with prolonged expansion in exhaust turbines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
- F02G5/02—Profiting from waste heat of exhaust gases
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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
Abstract
The invention discloses a kind of internal-combustion engine systems, belong to technical field of internal combustion engines, including：Internal combustion engine (1) sets air inlet and exhaust outlet thereon；Turbine (2), entrance are communicated to the exhaust outlet of internal combustion engine (1)；First compressor (3), entrance connection air, the air inlet of outlet to internal combustion engine (1)；Second compressor (4), entrance are communicated to the outlet of turbine (2), outlet to air；Turbine (2) is by the first shafting (5) connection coaxial with the first compressor (3) and the second compressor (4), for first compressor (3) and the second compressor (4) to be driven to rotate and carry out compressed action.The present invention drives two compressor rotations using single turbine, while taking into account the plenum of internal combustion engine and exhaust energy comprehensive reutilization so that whole system structure is simpler and compact, installation space smaller, cost are lower.
Description
Technical field
The present invention relates to technical field of internal combustion engines more particularly to a kind of internal-combustion engine systems.
Background technology
Internal combustion engine has highly important effect in national product and life.At present, it is most automobile-used and peculiar to vessel
Power is all internal combustion engine.Internal combustion engine consumes a large amount of fossil fuel, but the energy for averagely there was only 30%-40% is converted into machine
Tool energy, the energy for having nearly 60%-70% are dispersed into the form of a variety of heat transfers in air in internal combustion engine working process.Its
In, the exhaust energy of engine exhaust accounts for about the 30% of gross energy.That is, the energy that really utilizes of internal combustion engine and discharge
Exhaust energy ratio is suitable, this causes the energy great waste.Internal combustion engine waste gas energy is recycled, is constantly carried
The utilization ratio of high-energy source is the important means for realizing energy-saving and emission-reduction, has important meaning to the sustainable development of global economy
Justice.
To solve the above problems, it is highly effective to recycle internal combustion engine waste gas energy using turbocharging in the prior art
Technological means, at present using very extensive.Existing overwhelming majority diesel engine and 40% or so gasoline engine all employ whirlpool
Take turns supercharging technology.The technical solution of the prior art mainly has following several：
1. scheme one：It is the structural representation for the turbocharged internal engine system being widely used in the prior art such as Fig. 1
Figure.Its operation principle is：The exhaust gas that internal combustion engine 1 discharges enters 2 expansion work of turbine, and turbine 2 is calmed the anger by 5 output work of shafting
Machine 3,3 compressed air of compressor, increases admission pressure and density, compressed gas enter heat exchanger 6 and cool down, reduces into temperature
Degree further increases density of the induced air, improves the dynamic property of internal combustion engine 1.It is discharged to later using post processing by the exhaust gas of turbine 2
In air.But the exhaust gas in this scenario, discharged after turbine 2 also has higher temperature, some energy can not recycle,
To internal combustion engine waste gas energy underutilization.
2. scheme two：For the exhaust energy that turbine 2 is discharged in further Utilization plan one, the technical solution of the prior art
It is to increase a turbo charge system after turbine 2 on the basis of scheme one, using two turbocharging technology, the two-stage whirlpool
Wheel is used to plenum, but this scheme is not suitable for the little situation of power of IC engine demand, and two-step supercharging system
It is matched with internal combustion engine more complicated.
3. scheme three：When single-stage turbocharging can meet power of IC engine demand, to avoid system matches complicated,
Two turbocharging technology will not generally be used.But on the basis of scheme one, using the increase power turbine after turbine 2
Technology further recycles the exhaust energy of internal combustion engine, but the requirement of this scheme enters the gas pressure superatmospheric of power turbine
Power, therefore, when entering the exhaust gas pressure of power turbine close to atmospheric pressure, the acting ability of power turbine is limited, Wu Fajin
One step recycles the exhaust energy of internal combustion engine.
Invention content
(1) goal of the invention
The object of the present invention is to provide a kind of internal-combustion engine systems.Two pressures are driven simultaneously by a shafting using single turbine
Mechanism of qi rotates, and one of compressor improves the dynamic property of internal combustion engine, another compressor for forming turbo charge system
For forming the inverse Bo Leideng circulatory systems, the exhaust energy of internal combustion engine has further been recycled.The inverse Bo Leideng circulatory systems are will be useless
Gas is passed through turbine, is followed by a cooling device and a compressor in turbine, blower outlet is air.Exhaust gas is swollen by turbine
Enter cooling device after swollen acting to cool down, then be compressed to atmospheric pressure through compressor and be discharged into air, this process is known as inverse Bo Leideng
Cycle.It solves the problems, such as that the exhaust energy of internal combustion engine in the prior art is under-utilized, at the same solve in the prior art by
Limited, the problem of can not further recycling the exhaust energy of internal combustion engine in power turbine acting ability；Pass through single turbine drives
Two compressor rotations carry out compressed action, solve in the prior art due to leading to whole system knot using two turbocharging
Structure is more complicated, and the matching between two turbines is also very complicated, and cost is higher, is not suitable for the little feelings of power of IC engine demand
The problem of condition.
(2) technical solution
To solve the above problems, the present invention provides a kind of internal-combustion engine system, including：Internal combustion engine sets air inlet thereon
And exhaust outlet；Turbine, entrance are communicated to the exhaust outlet of the internal combustion engine；First compressor, entrance connection air, outlet connects
Lead to the air inlet of the internal combustion engine；Second compressor, entrance are communicated to the outlet of the turbine, outlet to air；
The turbine is by the connection coaxial with first compressor and the second compressor of the first shafting, for driving first compressor
It is rotated with the second compressor and carries out compressed action.
Further, the turbine exports power to power plant by first shafting.
Further, the power plant is generator or the bent axle of the internal combustion engine.
Further, the internal-combustion engine system further includes：Charge air cooler, entrance are communicated to the outlet of first compressor,
Outlet for cooling down the gas of the first compressor discharge, and increases the internal combustion to the air inlet of the internal combustion engine
The density of the induced air of machine.
Further, the charge air cooler is air-cooled or water cooling heat exchanger.
Further, the internal-combustion engine system further includes：Cooling device, be arranged on the turbine and the second compressor it
Between, for cooling down the gas of the turbine discharge.
Further, the cooling device is the first heat exchanger components, thermoelectric conversion member, Rankine cycle system and organic Rankine
At least one of circulatory system.
Further, the entrance of first heat exchanger components is communicated to the outlet of the turbine, outlet to described second
The entrance of compressor, for cooling down the gas of the turbine discharge.
Further, the entrance of the thermoelectric conversion member is communicated to the outlet of the turbine, outlet to described second
The thermal energy of absorption for cooling down the gas of the turbine discharge, and is converted into electric energy output by the entrance of compressor.
Further, the Rankine cycle system or organic rankine cycle system include：Second heat exchanger components, first entrance
The outlet of the turbine is communicated to, first outlet is communicated to the entrance of second compressor；Steam turbine, entrance are communicated to institute
State the second outlet of the second heat exchanger components；Third heat exchanger components, entrance are communicated to the outlet of the steam turbine；Pump, entrance
It is communicated to the outlet of the third heat exchanger components, outlet to the second entrance of second heat exchanger components；The steam turbine
Power is exported by the second shafting；The Rankine cycle system or organic rankine cycle system are used to cool down the turbine discharge
Gas, while the heat of absorption is converted into power output.
(3) advantageous effect
The above-mentioned technical proposal of the present invention has following beneficial technique effect：
A kind of internal-combustion engine system provided by the invention drives two compressors to turn simultaneously using single turbine by a shafting
Dynamic, one of compressor improves the dynamic property of internal combustion engine, another compressor is used for group for forming turbo charge system
Into the inverse Bo Leideng circulatory systems, the exhaust energy of internal combustion engine is further recycled, the exhaust gas for solving internal combustion engine in the prior art
The problem of energy utilization is insufficient, while solve in the prior art since power turbine acting ability is limited, it can not further return
The problem of receiving the exhaust energy of internal combustion engine；Compressed action is carried out by single two compressor rotations of turbine drives, is solved existing
Have due to causing whole system structure more complicated using two turbocharging in technology, the matching between two turbines is also very multiple
Miscellaneous, cost is higher, the problem of not being suitable for power of IC engine demand little situation.The internal-combustion engine system of the present invention, using list
Two compressor rotations of turbine drives, while taking into account the plenum of internal combustion engine and exhaust energy comprehensive reutilization so that
Whole system structure is simpler and compact, installation space smaller, cost are lower.
The internal-combustion engine system of the present invention can also utilize thermoelectric material to replace the heat exchanger in the inverse Bo Leideng circulatory systems,
The thermal energy of exhaust gas is absorbed by thermoelectric material, reduces the temperature of gas, while the thermal energy of absorption is also converted by thermoelectric material
Electric energy further improves the recovery utilization rate of the exhaust energy of internal combustion engine.
The internal-combustion engine system of the present invention can also utilize Rankine cycle system and organic rankine cycle system will inverse Bo Leideng
The heat that heat exchanger in the circulatory system absorbs is recycled, and further improves the recycling profit of the exhaust energy of internal combustion engine
With rate.
Description of the drawings
Fig. 1 is the structure diagram of turbocharged internal engine system in the prior art；
Fig. 2 is the internal-combustion engine system composition schematic diagram that the embodiment of the present invention one provides；
Fig. 3 is the internal-combustion engine system structure diagram that the embodiment of the present invention one provides；
Fig. 4 is internal-combustion engine system structure diagram provided by Embodiment 2 of the present invention；
Fig. 5 is the internal-combustion engine system structure diagram that the embodiment of the present invention three provides；
Fig. 6 is the internal-combustion engine system structure diagram that the embodiment of the present invention five provides；
Fig. 7 is the internal-combustion engine system structure diagram that the embodiment of the present invention six provides；
Fig. 8 is the internal-combustion engine system structure diagram that the embodiment of the present invention seven provides；
Fig. 9 is the internal-combustion engine system structure diagram that the embodiment of the present invention eight provides.
Reference numeral：
1st, internal combustion engine, 2, turbine, the 3, first compressor, the 4, second compressor, the 5, first shafting, 6, charge air cooler, 7, cooling
Device, the 71, first heat exchanger components, 72, thermoelectric conversion member, the 73, second heat exchanger components, 74, steam turbine, 75, third heat exchanging part
Part, 76, pump, the 77, second shafting.
Specific embodiment
Understand to make the object, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, the description to known features and technology is omitted, to avoid this is unnecessarily obscured
The concept of invention.
Embodiment one
Fig. 2 is the internal-combustion engine system composition schematic diagram that the embodiment of the present invention one provides.
Fig. 3 is the internal-combustion engine system structure diagram that the embodiment of the present invention one provides.
Fig. 2, Fig. 3 are please referred to, the present invention provides a kind of internal-combustion engine system, including：Internal combustion engine 1, turbine 2, the first compressor
3rd, the second compressor 4 and the first shafting 5.
Internal combustion engine 1 sets air inlet and exhaust outlet thereon.Internal combustion engine 1 is a kind of dynamic power machine, by making fuel in inside
Burning, and the thermal energy that fuel combustion is released is converted directly into the Thermal Motor of power.
Turbine 2, entrance are communicated to the exhaust outlet of internal combustion engine 1, outlet to the second compressor 4.
First compressor 3, entrance connection air, the air inlet of outlet to internal combustion engine 1, after will be atmospheric compressed
It is sent into 1 inside of internal combustion engine and participates in work by combustion, improve the dynamic property of internal combustion engine 1.
Second compressor 4, entrance are communicated to the outlet of turbine 2, outlet to air, for discharge turbine 2
It is discharged in air after gas compression.
Turbine 2 is by the first shafting 5 and the 4 coaxial connection of the first compressor 3 and the second compressor, for driving first pressure
The rotation of 3 and second compressor 4 of mechanism of qi carries out compressed action.Turbine 2 exports power to power plant by the first shafting 5, is used for
Power output is carried out outward.
Optionally, power plant is generator or the bent axle of internal combustion engine 1, but the present invention is not limited system, power plant
It can also be other equipment.
Fig. 2 is please referred to, in the present embodiment, internal-combustion engine system further includes charge air cooler 6, and entrance is communicated to the first compressor
3 outlet, the air inlet of outlet to internal combustion engine 1 for cooling down the gas of the first compressor 3 discharge, and increase internal combustion engine 1
Density of the induced air.
Fig. 3 is please referred to, optionally, charge air cooler 6 is air-cooled or water cooling heat exchanger, but the present invention is not limited system.
Fig. 2 is please referred to, in the present embodiment, internal-combustion engine system further includes cooling device 7, is arranged on turbine 2 and second
Between compressor 4, for cooling down the gas of the discharge of turbine 2.
Please refer to Fig. 3, in the present embodiment, cooling device 7 be the first heat exchanger components 71, the entrance of the first heat exchanger components 71
It is communicated to the outlet of turbine 2, the entrance of outlet to the second compressor 4, for cooling down the gas of the discharge of turbine 2.
Optionally, the first heat exchanger components 71 are air-cooled or water cooling heat exchanger, but the present invention is not limited system.
Preferably, the first heat exchanger components 71 are the heat exchanger of water cooling, and the heat exchanger cooling effect of water cooling is more preferable so that second
4 wasted work smaller of compressor, energy regenerating utilization rate higher.
Fig. 3 is please referred to, specifically, turbine 2, the first compressor 3 and the second compressor 4 are coaxial, it is coaxial by the first shafting 5
Connection, turbine 2 drive the first compressor 3 and the second compressor 4 to work, while also by 5 connecting power device of the first shafting, to
Outer carry out power output.According to the direction that gas flows, the arrangement of component is followed successively by the first compressor 3, charge air cooler 6, interior
Combustion engine 1, turbine 2, the first heat exchanger components 71 and the second compressor 4.Wherein, turbine 2, the first compressor 3 and charge air cooler 6 form
Turbo charge system；Turbine 2, the second compressor 4 and the first heat exchanger components 71 form the inverse Bo Leideng circulatory systems, 1 work of internal combustion engine
The high temperature and high pressure gas discharged after work passes through 2 expansion work of turbine, and the second pressure is entered after being cooled down using the first heat exchanger components 71
The process that mechanism of qi 4 is compressed to atmospheric pressure is known as inverse Bo Leideng cycles.The internal-combustion engine system of the present invention, using the inverse vigorous thunder of single turbine
The circulatory system is stepped on, takes into account the comprehensive reutilization of plenum and exhaust energy so that structure is simpler and compact, installation space
Smaller, cost are lower.
The operation principle of the internal-combustion engine system of the present invention is described below：
Please refer to Fig. 2, the exhaust gas that the work of internal combustion engine 1 generates enters 2 expansion work of turbine, turbine 2 by the first shafting 5 with
First compressor 3 is connected with the second compressor 4.
Turbine 2 by the first shafting 5 drive the first compressor 3 rotate, compressed air, make internal combustion engine 1 admission pressure and
Density increases, and after being cooled down using charge air cooler 6, the density of the induced air of internal combustion engine 1 is made further to increase, and is conducive to improve internal combustion engine
1 dynamic property.Enter internal combustion engine 1 and mixed with fuel by being pressurized air after cooling and burn.
Meanwhile turbine 2 also drives the second compressor 4 to rotate by the first shafting 5.The outlet of second compressor 4 is air
Environment, vacuum environment can be formed in its input end by being rotated by the second compressor 4.The outlet of turbine 2 and the second compressor 4
The pressure of import is almost equal, the pressure loss only generated through piping and the first heat exchanger components 71, this partial loss very little,
Therefore, the outlet pressures subatmospheric of turbine 2.The exhaust gas pressure that the work of internal combustion engine 1 generates is higher, is expanded into turbine 2
To atmospheric pressure hereinafter, expansion is bigger, acting is more, that is, has recycled more exhaust energies.Exhaust gas by turbine 2 leads to
It crosses heat exchanger 71 to be cooled down, gas temperature reduces.The engine exhaust gas of identical mass flow is by the expansion of turbine 2 and the second pressure
Mechanism of qi 4 compresses, since the gas temperature and pressure that enter the second compressor 4 are far below the temperature and pressure into 2 gas of turbine,
Therefore the wasted work of compressed gas can be smaller.By the first shafting 5, the remaining mechanical energy that turbine 2 generates is exported, the
One shafting 5 can connect a generator and battery, this portion of energy be stored in the form of electric energy, the first shafting 5 can also
The bent axle of internal combustion engine 1 is connected, power is provided for internal combustion engine 1.
Embodiment two
Fig. 4 is please referred to, the difference lies in cooling device 7 uses thermoelectric conversion member to the present embodiment with embodiment one
72 replace the first heat exchanger components 71.
The entrance of thermoelectric conversion member 72 is communicated to the outlet of turbine 2, and the entrance of outlet to the second compressor 4 is used
Electric energy output is converted into the gas that cooling turbine 2 is discharged, and by the thermal energy of absorption.
Optionally, the material of thermoelectric conversion member 72 is thermoelectric material, and thermoelectric material is that one kind can convert heat into
The material of electric energy.
Specifically, after the exhaust gas discharged of internal combustion engine 1 is by 2 expansion work of turbine, still also have higher temperature, also into
The space of row heat recovery.The exhaust gas that turbine 2 is discharged absorbs the thermal energy of exhaust gas by thermoelectric conversion member 72 so that thermoelectricity
72 one side of converting member reduces the temperature of gas, has achieved the purpose that cooling, has on the other hand been converted into the thermal energy of absorption
Electric energy further improves the recovery utilization rate of the exhaust energy of internal combustion engine 1.
The structure and connection relation of other parts in the present embodiment are identical in embodiment one, and details are not described herein.
Embodiment three
Since in the technical solution of embodiment one, the first heat exchanger components 71 absorb the heat of exhaust gas, it is useless that reduction can be reached
The purpose of temperature degree, but whether the first heat exchanger components 71 are using air-cooled or water cooling heat exchanger, this part of absorption
Heat is not recycled, but is dispersed into air.Therefore, in the present embodiment first is replaced using Rankine cycle system
Heat exchanger components 71 are further recycled this partial heat that the second heat exchanger components 73 absorb, to improve energy
Utilization rate.
Please refer to Fig. 5, in the present embodiment, Rankine cycle system includes the second heat exchanger components 73, steam turbine 74, third heat exchange
Component 75,76 and second shafting 77 of pump.
The first entrance of second heat exchanger components 73 is communicated to the outlet of turbine 2, and first outlet is communicated to the second compressor 4
Entrance.
The entrance of steam turbine 74 is communicated to the second outlet of the second heat exchanger components 73.
The entrance of third heat exchanger components 75 is communicated to the outlet of steam turbine 74.
Optionally, third heat exchanger components 75 are air-cooled or water cooling heat exchanger, but the present invention is not limited system.
The entrance of pump 76 is communicated to the outlet of third heat exchanger components 75, and outlet enters to the second of the second heat exchanger components 73
Mouthful.
Steam turbine 74 exports power by the second shafting 77.Specifically, one end of the second shafting 77 is connect with steam turbine 74,
The other end exports power to external power plant.
Rankine cycle system is used to cool down the gas of the discharge of turbine 2, while the heat of absorption is converted into power output, into
One step recycles the exhaust energy of internal combustion engine 1, improves the utilization rate of energy.
Specifically, pump 76 provides power for the flowing of the working medium of Rankine cycle system, working medium passes through the second heat exchanger components 73,
Heat exchange is carried out with the exhaust gas discharged from turbine 2.The working medium of Rankine cycle system is heated, and exhaust gas is cooled.After heating
Working medium enters steam turbine 74, the expansion work in steam turbine 74, and the mechanical energy for generation of doing work is exported by the second shafting 77.Expansion
Working medium afterwards enters third heat exchanger components 75 and cools down, and enters back into pump 76 and is recycled.This method can be further by internal combustion engine 1
Exhaust energy is recycled, and improves capacity usage ratio.
The structure and connection relation of other parts in the present embodiment are identical in embodiment one, and details are not described herein.
Example IV
The difference lies in replace Rankine cycle system to the present embodiment using organic rankine cycle system with embodiment three
System.
The structure of organic rankine cycle system and Rankine cycle system, composition and operation principle all same, difference only exist
It is water in, cycle fluid in Rankine cycle system, the cycle fluid in organic rankine cycle system is organic matter.
The structure and connection relation of other parts in the present embodiment are identical in embodiment three, and details are not described herein.
Embodiment five
Please refer to Fig. 6, the difference lies in the coolings in the present embodiment for the present embodiment and embodiment one and embodiment two
Device 7 is to be combined the thermoelectric conversion member 72 in the first heat exchanger components 71 and embodiment two in embodiment one, i.e., together
The gas that the first heat exchanger components of Shi Caiyong 71 and thermoelectric conversion member 72 discharge turbine 2 cools down, and is increasing cooling effect
While, the thermal energy that thermoelectric conversion member 72 absorbs can also be converted into electric energy output.
Fig. 6 is please referred to, specifically, the gas that turbine 2 is discharged, first passes through the first heat exchanger components 71, using heat to electricity conversion
Component 72 is communicated to the entrance of the second compressor 4, i.e. the entrance of the first heat exchanger components 71 is communicated to the outlet of turbine 2, and outlet connects
Lead to the entrance of thermoelectric conversion member 72, the entrance of the outlet of thermoelectric conversion member 72 to the second compressor 4.
The present invention is not limited system, and the gas that turbine 2 is discharged can also first pass through thermoelectric conversion member 72, using
First heat exchanger components 71 are communicated to the entrance of the second compressor 4, i.e. the entrance of thermoelectric conversion member 72 is communicated to going out for turbine 2
Mouthful, the entrance of outlet to the first heat exchanger components 71, outlet the entering to the second compressor 4 of the first heat exchanger components 71
Mouthful.
The structure and connection relation of other parts in the present embodiment are identical in embodiment one, and details are not described herein.
Embodiment six
Please refer to Fig. 7, the difference lies in the coolings in the present embodiment for the present embodiment and embodiment one and embodiment three
Device 7 is to be combined the Rankine cycle system in the first heat exchanger components 71 and embodiment three in embodiment one, i.e., simultaneously
The gas discharged using the first heat exchanger components 71 and Rankine cycle system to turbine 2 is cooled down, and is increasing the same of cooling effect
When, the heat that the second heat exchanger components 73 absorb further is recycled, to improve the utilization rate of energy.
Fig. 7 is please referred to, specifically, the gas that turbine 2 is discharged, first passes through the first heat exchanger components 71, using Rankine cycle
The second heat exchanger components 73 in system are communicated to the entrance of the second compressor 4, i.e. the entrance of the first heat exchanger components 71 is communicated to whirlpool
The outlet of wheel 2, the first entrance of the second heat exchanger components 73 in outlet to Rankine cycle system, the of the second heat exchanger components 73
One outlet is to the entrance of the second compressor 4.
The present invention is not limited system, the gas that turbine 2 is discharged, and can also first pass through in Rankine cycle system second is changed
Thermal part 73 is communicated to the entrance of the second compressor 4 using the first heat exchanger components 71, i.e., the second heat exchange in Rankine cycle system
The first entrance of component 73 is communicated to the outlet of turbine 2, and first outlet is communicated to the entrance of the first heat exchanger components 71, the first heat exchange
The outlet of component 71 is to the entrance of the second compressor 4.
The structure and connection relation of other parts in the present embodiment are identical in embodiment one, and details are not described herein.
Embodiment seven
Please refer to Fig. 8, the difference lies in the coolings in the present embodiment for the present embodiment and embodiment two and embodiment three
Device 7 is to be combined the Rankine cycle system in the thermoelectric conversion member 72 and embodiment three in embodiment two, i.e., simultaneously
The gas discharged using thermoelectric conversion member 72 and Rankine cycle system to turbine 2 is cooled down, and is increasing the same of cooling effect
When, the thermal energy that thermoelectric conversion member 72 absorbs can also be converted into electric energy output, the second heat exchanger components 73 can also be absorbed
Heat further recycled, to improve the utilization rate of energy.
Fig. 8 is please referred to, specifically, the gas that turbine 2 is discharged, first passes through thermoelectric conversion member 72, using Rankine cycle
The second heat exchanger components 73 in system are communicated to the entrance of the second compressor 4, i.e. the entrance of thermoelectric conversion member 72 is communicated to whirlpool
The outlet of wheel 2, the first entrance of the second heat exchanger components 73 in outlet to Rankine cycle system, the second heat exchanger components 73
First outlet is communicated to the entrance of the second compressor 4.
The present invention is not limited system, the gas that turbine 2 is discharged, and can also first pass through in Rankine cycle system second is changed
Thermal part 73 is communicated to the entrance of the second compressor 4 using thermoelectric conversion member 72, i.e., the second heat exchange in Rankine cycle system
The first entrance of component 73 is communicated to the outlet of turbine 2, and first outlet is communicated to the entrance of thermoelectric conversion member 72, heat to electricity conversion
The outlet of component 72 is to the entrance of the second compressor 4.
The structure and connection relation of other parts in the present embodiment are identical in embodiment one, and details are not described herein.
Embodiment eight
Fig. 9 is please referred to, the difference lies in the coolings in the present embodiment to embodiment seven with embodiment one for the present embodiment
Device 7 is will be in the first heat exchanger components 71 in embodiment one, the thermoelectric conversion member 72 and embodiment three in embodiment two
Rankine cycle system is combined, i.e., simultaneously using the first heat exchanger components 71, thermoelectric conversion member 72 and Rankine cycle system pair
The gas that turbine 2 is discharged is cooled down, while cooling effect is increased, the thermal energy that thermoelectric conversion member 72 can also be absorbed
Electric energy output is converted into, the heat that the second heat exchanger components 73 absorb can also further be recycled, to improve energy
The utilization rate of amount.
Fig. 9 is please referred to, specifically, the gas that turbine 2 is discharged, first passes through the first heat exchanger components 71, using heat to electricity conversion
Component 72 is finally communicated to the entrance of the second compressor 4 by the second heat exchanger components 73 in Rankine cycle system, i.e., first changes
The entrance of thermal part 71 is communicated to the outlet of turbine 2, the entrance of outlet to thermoelectric conversion member 72, thermoelectric conversion member 72
Outlet to Rankine cycle system in the second heat exchanger components 73 first entrance, the first outlets of the second heat exchanger components 73 connects
Lead to the entrance of the second compressor 4.
The present invention is not limited system, and the gas that turbine 2 is discharged can also first pass through thermoelectric conversion member 72, using
First heat exchanger components 71 are finally communicated to the entrance of the second compressor 4 by the second heat exchanger components 73 in Rankine cycle system.
Alternatively, the gas that turbine 2 is discharged, first passes through the second heat exchanger components 73 in Rankine cycle system, using the first heat exchanger components
71, the entrance of the second compressor 4 is finally communicated to by thermoelectric conversion member 72.
In the present embodiment, the distributing order packet of the first heat exchanger components 71, thermoelectric conversion member 72 and Rankine cycle system
It includes but is not limited to above-mentioned several sequences, the first heat exchanger components 71, thermoelectric conversion member 72 and Rankine cycle system can also be with them
He sequentially arranges, and specific distributing order can suitably be adjusted according to actual needs.
The structure and connection relation of other parts in the present embodiment are identical in embodiment one, and details are not described herein.
Embodiment nine
The present embodiment and embodiment one to embodiment seven the difference lies in, the cooling device 7 in the present embodiment be by
The first heat exchanger components 71 in embodiment one, the thermoelectric conversion member 72 in embodiment two, the Rankine cycle system in embodiment three
Organic rankine cycle system in system and example IV is combined, i.e., simultaneously using the first heat exchanger components 71, heat to electricity conversion portion
The gas that part 72, Rankine cycle system and organic rankine cycle system discharge turbine 2 cools down, and is increasing cooling effect
Thermal energy at the same time it can also which thermoelectric conversion member 72 is absorbed is converted into electric energy output, can also inhale the second heat exchanger components 73
The heat of receipts is further recycled, to improve the utilization rate of energy.
Specifically, the gas that turbine 2 is discharged, first passes through the first heat exchanger components 71, using thermoelectric conversion member 72, then
By Rankine cycle system, the entrance of the second compressor 4 is finally communicated to by organic rankine cycle system.
The present invention is not limited system, and the gas that turbine 2 is discharged can also first pass through thermoelectric conversion member 72, using
First heat exchanger components 71 then by Rankine cycle system, are finally communicated to the second compressor 4 by organic rankine cycle system
Entrance.
In the present embodiment, the first heat exchanger components 71, thermoelectric conversion member 72, Rankine cycle system and Organic Rankine Cycle
The distributing order of system includes but not limited to above-mentioned several sequences, the first heat exchanger components 71, thermoelectric conversion member 72, Rankine cycle
System and organic rankine cycle system can also sequentially be arranged with other, specific distributing order can according to be actually needed into
The appropriate adjustment of row.
The structure and connection relation of other parts in the present embodiment are identical in embodiment one, and details are not described herein.
In above-described embodiment six, embodiment seven and embodiment eight, the Rankine cycle system in cooling device 7 can also be used
Organic rankine cycle system replaces.
The present invention is directed to protect a kind of internal-combustion engine system, two compressors are driven by a shafting simultaneously using single turbine
Rotation, one of compressor improve the dynamic property of internal combustion engine, another compressor is used for for forming turbo charge system
The inverse Bo Leideng circulatory systems of composition, have further recycled the exhaust energy of internal combustion engine, solve the useless of internal combustion engine in the prior art
The problem of gas energy utilization is insufficient, while solve in the prior art since power turbine acting ability is limited, it can not be further
The problem of recycling the exhaust energy of internal combustion engine；Compressed action is carried out by single two compressor rotations of turbine drives, is solved
In the prior art due to causing whole system structure more complicated using two turbocharging, the matching between two turbines is also very
Complexity, cost is higher, the problem of not being suitable for power of IC engine demand little situation.The internal-combustion engine system of the present invention uses
Single turbine drives two compressor rotations, while taking into account the plenum of internal combustion engine and exhaust energy comprehensive reutilization, makes
Whole system structure is simpler and compact, installation space smaller, cost are lower.The internal-combustion engine system of the present invention, can be with profit
Heat exchanger is replaced with thermoelectric material, the thermal energy of exhaust gas is absorbed by thermoelectric material, reduces the temperature of gas, while thermoelectric material
The thermal energy of absorption is also converted into electric energy, further improves the recovery utilization rate of the exhaust energy of internal combustion engine.The present invention's is interior
Combustion engine system can also be recycled the heat that the heat exchanger in the inverse Bo Leideng circulatory systems absorbs using Rankine cycle system
It utilizes, further improves the recovery utilization rate of the exhaust energy of internal combustion engine.
In the description of the present invention, it should be noted that term " first ", " second ", " third ", " the 4th " are only used for retouching
Purpose is stated, and it is not intended that instruction or hint relative importance.
It should be understood that the above-mentioned specific embodiment of the present invention is used only for exemplary illustration or explains the present invention's
Principle, without being construed as limiting the invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into scope and boundary or this range and the equivalent form on boundary and repairing
Change example.
Claims (10)
1. a kind of internal-combustion engine system, which is characterized in that including：
Internal combustion engine (1) sets air inlet and exhaust outlet thereon；
Turbine (2), entrance are communicated to the exhaust outlet of the internal combustion engine (1)；
First compressor (3), entrance connection air, the outlet of first compressor (3) to the internal combustion engine (1)
Air inlet；
Second compressor (4), entrance are communicated to the outlet of the turbine (2), and the outlet of second compressor (4) arrives
Air；
The turbine (2) is used for by the first shafting (5) connection coaxial with first compressor (3) and the second compressor (4)
First compressor (3) and the second compressor (4) is driven to rotate and carry out compressed action.
2. system according to claim 1, which is characterized in that
The turbine (2) exports power to power plant by first shafting (5).
3. system according to claim 2, which is characterized in that
The power plant is generator or the bent axle of the internal combustion engine (1).
4. system according to claim 1, which is characterized in that further include：
Charge air cooler (6), entrance are communicated to the outlet of first compressor (3), the outlet of the charge air cooler (6) to institute
The air inlet of internal combustion engine (1) is stated, for cooling down the gas of the first compressor (3) discharge, and increases the internal combustion engine (1)
Density of the induced air.
5. system according to claim 4, which is characterized in that
The charge air cooler (6) is air-cooled or water cooling heat exchanger.
6. system according to claim 1, which is characterized in that further include：
Cooling device (7) is arranged between the turbine (2) and the second compressor (4), for cooling down the turbine (2) row
The gas gone out.
7. system according to claim 6, which is characterized in that
The cooling device (7) is the first heat exchanger components (71), thermoelectric conversion member (72), Rankine cycle system and organic Rankine
At least one of circulatory system.
8. system according to claim 7, which is characterized in that
The entrance of first heat exchanger components (71) is communicated to the outlet of the turbine (2), first heat exchanger components (71)
Outlet to second compressor (4) entrance, for cool down the turbine (2) discharge gas.
9. system according to claim 7, which is characterized in that
The entrance of the thermoelectric conversion member (72) is communicated to the outlet of the turbine (2), and the thermoelectric conversion member (72) goes out
Mouth is communicated to the entrance of second compressor (4), for cooling down the gas of the turbine (2) discharge, and by the thermal energy of absorption
It is converted into electric energy output.
10. system according to claim 7, which is characterized in that the Rankine cycle system or organic rankine cycle system
Including：
Second heat exchanger components (73), first entrance are communicated to the outlet of the turbine (2), second heat exchanger components (73)
First outlet is communicated to the entrance of second compressor (4)；
Steam turbine (74), entrance are communicated to the second outlet of second heat exchanger components (73)；
Third heat exchanger components (75), entrance are communicated to the outlet of the steam turbine (74)；
It pumps (76), entrance is communicated to the outlet of the third heat exchanger components (75), and the outlet of the pump (76) is described in
The second entrance of second heat exchanger components (73)；
The steam turbine (74) exports power by the second shafting (77)；
The Rankine cycle system or organic rankine cycle system are used to cool down the gas of the turbine (2) discharge, while will inhale
The heat of receipts is converted into power output.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711275722.8A CN108150278A (en) | 2017-12-06 | 2017-12-06 | A kind of internal-combustion engine system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711275722.8A CN108150278A (en) | 2017-12-06 | 2017-12-06 | A kind of internal-combustion engine system |
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| CN101169067A (en) * | 2006-10-24 | 2008-04-30 | 依维柯发动机研究公司 | Engine apparatus with heat recovery system and relative heat recovery method |
| CN102165158A (en) * | 2008-09-26 | 2011-08-24 | 雷诺卡车公司 | Power assembly, especially for an automotive vehicle |
| CN104632357A (en) * | 2014-12-30 | 2015-05-20 | 清华大学 | Two-stage supercharging system of internal combustion engine |
| DE102015215518A1 (en) * | 2015-08-14 | 2017-02-16 | Bayerische Motoren Werke Aktiengesellschaft | System for recovering energy from the exhaust gas of an internal combustion engine |
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2017
- 2017-12-06 CN CN201711275722.8A patent/CN108150278A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101169067A (en) * | 2006-10-24 | 2008-04-30 | 依维柯发动机研究公司 | Engine apparatus with heat recovery system and relative heat recovery method |
| CN102165158A (en) * | 2008-09-26 | 2011-08-24 | 雷诺卡车公司 | Power assembly, especially for an automotive vehicle |
| CN104632357A (en) * | 2014-12-30 | 2015-05-20 | 清华大学 | Two-stage supercharging system of internal combustion engine |
| DE102015215518A1 (en) * | 2015-08-14 | 2017-02-16 | Bayerische Motoren Werke Aktiengesellschaft | System for recovering energy from the exhaust gas of an internal combustion engine |
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Application publication date: 20180612 |