CN106401814B - A kind of gas handling system of the internal combustion engine oxygen-enriched combusting based on thermal transpiration effect - Google Patents
A kind of gas handling system of the internal combustion engine oxygen-enriched combusting based on thermal transpiration effect Download PDFInfo
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- CN106401814B CN106401814B CN201610894925.4A CN201610894925A CN106401814B CN 106401814 B CN106401814 B CN 106401814B CN 201610894925 A CN201610894925 A CN 201610894925A CN 106401814 B CN106401814 B CN 106401814B
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 79
- 239000007789 gas Substances 0.000 title claims abstract description 69
- 239000001301 oxygen Substances 0.000 title claims abstract description 63
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 63
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 230000000694 effects Effects 0.000 title claims abstract description 22
- 230000005068 transpiration Effects 0.000 title claims abstract description 19
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 38
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 6
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 239000003546 flue gas Substances 0.000 claims description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 3
- 239000000446 fuel Substances 0.000 abstract description 13
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 16
- 238000010586 diagram Methods 0.000 description 4
- 238000000605 extraction Methods 0.000 description 4
- 239000002912 waste gas Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/1015—Air intakes; Induction systems characterised by the engine type
- F02M35/10157—Supercharged engines
-
- 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 by exhaust energy
- F01N5/02—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M27/00—Apparatus for treating combustion-air, fuel, or fuel-air mixture, by catalysts, electric means, magnetism, rays, sound waves, or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
- F02M35/10—Air intakes; Induction systems
- F02M35/10209—Fluid connections to the air intake system; their arrangement of pipes, valves or the like
- F02M35/10222—Exhaust gas recirculation [EGR]; Positive crankcase ventilation [PCV]; Additional air admission, lubricant or fuel vapour admission
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Supercharger (AREA)
Abstract
The invention discloses a kind of gas handling systems of the internal combustion engine oxygen-enriched combusting based on thermal transpiration effect comprising：Oxygen concentration room, inner cavity are separated into hot chamber and cold chamber；Hot chamber is connected to cold chamber by microchannel group, mean free path of the characteristic size of each microchannel no more than oxygen molecule and the mean free path more than nitrogen molecule in the group of microchannel；Cold chamber is provided with cold chamber air inlet and cold chamber exhaust outlet, and hot chamber is provided with hot chamber exhaust outlet；Heat conducting pipe passes through hot chamber；Heat conduction Bottomhole pressure has thermal medium；Air delivery pipe, one end are connect with cold chamber air inlet, to convey air to cold chamber；Cold chamber exhaust pipe, one end are connect with cold chamber exhaust outlet；And hot chamber exhaust pipe, one end are connect with hot chamber exhaust outlet, and the cylinder of the other end and internal combustion engine connects.The present invention is by being conveyed to oxygen-enriched air made from oxygen concentration room in the cylinder of internal combustion engine so that fuel combustion is more abundant, to reduce fuel consumption and reduce pollutant emission.
Description
Technical field
The present invention relates to Power Machinery Engineering field, more particularly to a kind of internal combustion engine oxygen-enriched combusting based on thermal transpiration effect
Gas handling system.
Background technology
The thermal energy that liquid or gaseous state combustion of fossil fuel generate can be converted to mechanical energy by internal combustion engine, be chiefly used in automobile, in
The vehicles such as spitkit.As car ownership rapidly increases, the energy-saving and emission-reduction pressure of internal combustion engine is increasingly urgent.To understand
Certainly these problems, existing scheme mostly use turbocharging to improve the power of internal combustion engine, and using catalytic convention design to tail gas
It is handled.But one side content of oxygen in air only has 20.946%, nitrogen content is but up to 78.084%, utilizes whirlpool
Wheel supercharging is while increasing oxygen air inflow, nitrogen incrementss bigger, but nitrogen does not burn, and can also take away burning production on the contrary
Raw heat causes energy dissipation, can also generate NO at high temperatureX；On the other hand, catalytic convention design processing tail gas has use
Limitation, not can be well solved tail gas pollution problem.Oxygen-enriched combustion technology is a kind of energy-saving and environment-friendly advanced combustion technology；By
Increase in the oxygen content in air of supply burning, nitrogen content is opposite to be reduced, and the exhaust gas volumn of burning required air quantity and generation is corresponding
It reduces, and then can get higher ignition temperature and lower heat loss due to exhaust gas, keep burning more abundant, realize energy saving；Although combustion
It burns temperature to increase, but because entering the nitrogen amount reduction of combustion system and having recycled partial discharge exhaust gas, it is suppressed that burned
NO in journeyXGeneration, can effectively reduce NOXDischarge capacity.But existing internal combustion engine oxygen-enriched combustion technology, such as Publication No.
The Chinese invention patent of CN103291505A needs that additional power is consumed to supply oxygen-enriched air to internal combustion engine, and structure is multiple
Miscellaneous and cost is higher.If can develop a kind of simple and compact for structure and only produce oxygen-enriched air by I. C. engine exhaust waste heat driven
Gas handling system, it will help universal application of the oxygen-enriched combustion technology on internal combustion engine.
Being disclosed in the information of the background technology part, it is only intended to increase understanding of the overall background of the invention, without answering
It has been the prior art well known to persons skilled in the art when being considered as recognizing or imply that the information is constituted in any form.
Invention content
The purpose of the present invention is to provide a kind of gas handling system of the internal combustion engine oxygen-enriched combusting based on thermal transpiration effect, bodies
Product is compact, light weight and cost is low and can easily be used with existing combustion engine combination, to overcome：(1) existing internal combustion engine profit
With turbocharging while increasing oxygen air inflow, nitrogen incrementss are more, to cause nitrogen to take away heat and increase NOX
The shortcomings that generation；(2) existing internal combustion engine oxygen-enriched combustion technology needs additional power consumption come the shortcomings that producing oxygen-enriched air.
To achieve the above object, the present invention provides a kind of air inlet systems of the internal combustion engine oxygen-enriched combusting based on thermal transpiration effect
System, wherein including：Oxygen concentration room, inner cavity are divided into a hot chamber and a cold chamber；The hot chamber and the cold chamber pass through micro-
Channel group is connected to, and the characteristic size of each microchannel is not more than the mean free path of oxygen molecule and is more than in the microchannel group
The mean free path of nitrogen molecule；The cold chamber is provided with a cold chamber air inlet and a cold chamber exhaust outlet, and the hot chamber is provided with
One hot chamber exhaust outlet；Heat conducting pipe passes through the hot chamber, and it is heat conduction that the heat conducting pipe, which is located at the material of the tube wall of the hot intracavitary,
Material；The heat conduction Bottomhole pressure has thermal medium, to improve the temperature of the hot intracavitary；Air delivery pipe, one end with it is described cold
Chamber air inlet connects, to convey air to the cold chamber；Cold chamber exhaust pipe, one end are connect with the cold chamber exhaust outlet；And
Hot chamber exhaust pipe, one end are connect with the hot chamber exhaust outlet, and the cylinder of the other end of the hot chamber exhaust pipe and internal combustion engine connects
It connects.
Preferably, in above-mentioned technical proposal, insulating layer is provided on the wall body of the oxygen concentration room.
Preferably, in above-mentioned technical proposal, one end of the heat conducting pipe and the exhaust pipe of internal combustion engine connect, and the heat conduction
The other end of pipe is provided with an exhaust gas flow regulating valve.
Preferably, in above-mentioned technical proposal, the other end of the hot chamber exhaust pipe passes through a gas mixer chamber and internal combustion engine
Cylinder connection；The gas mixer chamber is provided with the first mixing chamber air inlet, the second mixing chamber air inlet and mixing chamber exhaust
Mouthful, the first mixing chamber air inlet is connect with the other end of the hot chamber exhaust pipe, and the mixing chamber exhaust outlet passes through one
The cylinder for mixing chamber gas outlet and internal combustion engine connects；The second mixing chamber air inlet is connected by a flue gas leading and the heat conducting pipe
It connects, the junction of the flue gas leading and the heat conducting pipe is between the hot chamber and the exhaust gas flow regulating valve.
Preferably, in above-mentioned technical proposal, a mixed airflow adjustable valve is provided on the mixing chamber gas outlet.
Preferably, in above-mentioned technical proposal, turbine and internal combustion that one end of the heat conducting pipe passes through a turbocharger
The exhaust pipe of machine connects；The other end of the air delivery pipe is connect with the outlet of the compressor of the turbocharger, described
The import of the compressor of turbocharger is connect with a compressor air inlet machine pipe.
Preferably, in above-mentioned technical proposal, a charge air cooler is provided on the air delivery pipe.
Preferably, in above-mentioned technical proposal, an air cleaner is provided on the compressor air inlet machine pipe.
Compared with prior art, the present invention has the advantages that：
1, the hot chamber of oxygen concentration room of the invention is heated by heat conducting pipe, so as to have temperature between hot chamber and cold chamber
Difference, to generate thermal transpiration effect in the group of microchannel, oxygen and a small amount of nitrogen in air from cold chamber by microchannel group into
Enter hot chamber, to assemble oxygen-enriched air in hot intracavitary, oxygen-enriched air is conveyed to the cylinder of internal combustion engine by hot chamber exhaust pipe, failed again
The nitrogen-rich air for entering hot chamber by microchannel group is assembled in cold chamber and is finally discharged from cold chamber exhaust outlet.The present invention passes through handle
Oxygen-enriched air after the most of nitrogen of oxygen concentration room removal obtained is conveyed to the cylinder of internal combustion engine so that fuel combustion is more
Fully, to reduce oil consumption, the output power and torque of internal combustion engine are improved, and reduces CO, NOXEtc. atmosphere pollutions discharge.
2, the exhaust pipe of heat conducting pipe of the invention and internal combustion engine connects, and heat conducting pipe is useless by introducing the high temperature that internal combustion engine is discharged
Gas heats hot chamber, and to recycle exhaust energy, oxygen-enriched air can be produced by being not required to additional energy, and drop low exhaust gas emission
Temperature.
3, the present invention is conveyed to together again after so that oxygen-enriched air is mixed with a certain amount of exhaust gas by setting gas mixer chamber
The cylinder of internal combustion engine so that the present invention is combined with the gas recirculation system of internal combustion engine, further increase internal combustion engine performance and
Reduce the discharge of pollutant.
4, heat conducting pipe and air delivery pipe of the invention are connect with turbocharger, to further increase to exhaust energy
It utilizes.
Description of the drawings
Fig. 1 is according to the present invention is based on the structural schematic diagrams of the gas handling system of the internal combustion engine oxygen-enriched combusting of thermal transpiration effect.
Fig. 2 is the three-dimensional half section structure diagram of oxygen concentration room according to the present invention.
Fig. 3 is the structural schematic diagram that partial cutaway is carried out to hot chamber of oxygen concentration room according to the present invention
Main appended drawing reference explanation：
1- oxygen concentrations room, the microchannels 2- group, the hot chambers of 3-, the cold chambers of 4-, the cold chamber air inlets of 5-, the cold chamber exhaust outlets of 6-, 7- heat
Chamber exhaust outlet, 8- heat conducting pipes, 9- air delivery pipes, the cold chamber exhaust pipes of 10-, the hot chamber exhaust pipes of 11-, 12- internal combustion engines, 13- fuel
Delivery pipe, 14- fuel flow control valves, 15- exhaust pipes, 16- extraction flow regulating valves, 17- exhaust gas flow regulating valves, 18- gas
Body mixing chamber, 19- the first mixing chamber air inlets, 20- the second mixing chamber air inlets, 21- mixing chambers gas outlet, 22- mixing chambers row
Tracheae, 23- flue gas leadings, 24- mixed airflow adjustable valves, 25- turbocharger, 26- turbines, 27- compressors, 28- calm the anger
Machine air inlet pipe, 29- charge air coolers, 30- air cleaners；The microchannels 31-.
Specific implementation mode
Below in conjunction with the accompanying drawings, the specific implementation mode of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield range is not restricted by specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change
It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members
Part or other component parts.
Fig. 1 to Fig. 3 shows that a kind of internal combustion engine based on thermal transpiration effect according to the preferred embodiment of the present invention is oxygen-enriched
The structural schematic diagram of the gas handling system of burning, the gas handling system for being somebody's turn to do the internal combustion engine oxygen-enriched combusting based on thermal transpiration effect includes oxygen
It is enriched with room 1, heat conducting pipe 8, air delivery pipe 9, cold chamber exhaust pipe 10 and hot chamber exhaust pipe 11, referring to figs. 2 and 3, oxygen is rich
Integrate room 1 as hollow body structure, and its inner cavity is divided into a hot chamber 3 and a cold chamber 4, passes through microchannel between hot chamber 3 and cold chamber 4
Group 2 is connected to, and the characteristic size of each microchannel 31 is not more than the mean free path of oxygen molecule and is more than nitrogen in microchannel group 2
The mean free path of molecule.Since nitrogen content is 78.084% in air, oxygen content 20.946% is carbon dioxide, dilute
There are gas, vapor equal size there was only about 0.97%, so the separation for focusing on bulk composition oxygen, nitrogen of separation, mirror
In under mutually synthermal, pressure condition, oxygen molecule mean free path is more than nitrogen molecule mean free path, in design conditions and
Within the scope of conventional variable working condition, when the temperature of hot chamber 3 higher than cold chamber 4 when, due to the effect of thermal transpiration effect, air in cold chamber 4
In oxygen molecule can be entered in hot chamber 3 by microchannel group 2 always, nitrogen molecule but cannot be by microchannel group 2, only
Having when pressure, temperature etc. are changed to more extreme section, nitrogen molecule is possible to enter hot chamber 3 from microchannel group 2, because
This, overall effect of the invention is presented as is made oxygen-enriched air in oxygen concentration room 1.Cold chamber 4 is provided with cold 5 He of chamber air inlet
One cold chamber exhaust outlet 6, hot chamber 3 are provided with a hot chamber exhaust outlet 7.Heat conducting pipe 8 passes through hot chamber 3, and heat conducting pipe 8 is located in hot chamber 3
The material of tube wall be Heat Conduction Material, Heat Conduction Material can be copper alloy or aluminium alloy etc., in heat conducting pipe 8 flowing have thermal medium,
To improve the temperature in hot chamber 3.Heat conducting pipe 8 integrally can also use identical Heat Conduction Material to make.Preferably, oxygen concentration room
It is provided with insulating layer on 1 wall body, effectively to maintain the operating temperature of oxygen concentration room 1.One end of air delivery pipe 9 and cold chamber
Air inlet 5 connects, and to convey air to cold chamber 4, one end of cold chamber exhaust pipe 10 is connect with cold chamber exhaust outlet 6.Hot chamber exhaust pipe
11 one end is connect with hot chamber exhaust outlet 7, and the other end of hot chamber exhaust pipe 11 is connect with the cylinder of internal combustion engine 12.Internal combustion engine 12
Fuel -supply pipe 13 fuel be transported to cylinder carry out with oxygen-enriched air mixing after-combustion, fuel -supply pipe 13 is provided with fuel
Flow control valve 14 is to adjust the fuel quantity entered in cylinder.
When the thermal medium flowed in the diversion pipe 8 of the present invention flows through the part that diversion pipe 8 is located in hot chamber 3, pass through water conservancy diversion
The side wall of pipe 8 transfers heat to hot chamber 3, to make temperature in hot chamber 3 be higher than the temperature of cold chamber 4, when air delivery pipe 9
When air delivery is entered in cold chamber 4, due to having temperature difference between hot chamber 3 and cold chamber 4, to generate hot-fluid in microchannel group 2
It escapes effect, oxygen and a small amount of nitrogen in air enter hot chamber 3 from cold chamber 4 by microchannel group 2, to be gathered into hot chamber 3
Oxygen-enriched air, the oxygen-enriched air in hot chamber 3 are conveyed to the cylinder of internal combustion engine 12 by hot chamber exhaust pipe 11 again, and 4 cohesion of cold chamber
The nitrogen-rich air of collection is directly discharged from cold chamber exhaust outlet 6 by cold chamber exhaust pipe 10.The present invention passes through oxygen concentration room 1
Oxygen-enriched air after the most of nitrogen of removal obtained is conveyed to the cylinder of internal combustion engine 12 so that and fuel combustion is more abundant, from
And fuel consumption is reduced, the output power and torque of internal combustion engine 12 are improved, and reduce CO, NOXEtc. atmosphere pollutions discharge.
Further, with reference to figure 1, one end of heat conducting pipe 8 is connect with the exhaust pipe 15 of internal combustion engine 12, and heat conducting pipe 8 is another
One end is provided with an exhaust gas flow regulating valve 17, heat conducting pipe 8 by flow the high-temp waste gas that internal combustion engine 12 is discharged come to hot chamber 3 into
Row heating, to improve the utilization to exhaust energy, and drops the temperature of low exhaust gas emission.Exhaust gas flow regulating valve 17 is led for controlling
Exhaust gas flow in flow tube 8, to control the temperature in hot chamber 3.In addition, exhaust can also be arranged on the exhaust pipe 15 of internal combustion engine 12
Flow control valve 16, with the exhaust gas flow in Comprehensive Control diversion pipe 8.It is further preferred that continuing to refer to figure 1, hot chamber exhaust
The other end of pipe 11 is connect by a gas mixer chamber 18 with the cylinder of internal combustion engine 12, and gas mixer chamber 18 is provided with the first mixing
Room air inlet 19, the second mixing chamber air inlet 20 and mixing chamber exhaust outlet 21, the first mixing chamber air inlet 19 and hot chamber exhaust pipe
11 other end connection, and mixing chamber exhaust outlet 21 is connect by a mixing chamber gas outlet 22 with the cylinder of internal combustion engine 12.Second
Mixing chamber air inlet 20 is connect by a flue gas leading 23 with heat conducting pipe 8, and flue gas leading 23 and the junction of heat conducting pipe 8 are located at hot chamber 3
Between exhaust gas flow regulating valve 17.The present invention makes oxygen-enriched air be mixed with a certain amount of exhaust gas by the way that gas mixer chamber 18 is arranged
The cylinder for being conveyed to internal combustion engine 12 together again afterwards is not required to so that the present invention is combined with the gas recirculation system of internal combustion engine 12
Additional energy is wanted, to further increase the performance of internal combustion engine 12 and reduce the discharge of pollutant.Into in gas mixer chamber 18
Exhaust gas can also be controlled by extraction flow regulating valve 16 and exhaust gas flow regulating valve 17.Extraction flow regulating valve 16 and useless
Air-flow adjustable valve 17 adjusts the discharge capacity that the EGR gas after heating hot chamber 3 is directly discharged into air, and then controls and enter gas
The EGR gas flow of body mixing chamber 18, to meet requirement of the internal combustion engine 12 under different operating load.Preferably, it mixes
It closes and is provided with a mixed airflow adjustable valve 24 on chamber gas outlet 22, to enter internal combustion engine 12 according to the power regulation of internal combustion engine 12
Cylinder in oxygen-enriched air and exhaust-gas mixture total amount.
Further, it continues to refer to figure 1, the turbine 26 and internal combustion that one end of heat conducting pipe 8 passes through a turbocharger 25
The exhaust pipe 15 of machine 12 connects, and the other end of air delivery pipe 9 is connect with the outlet of the compressor 27 of turbocharger 25, turbine
The import of the compressor 27 of booster 25 is connect with a compressor air inlet machine pipe 28.The high-temp waste gas of exhaust pipe 15 flows through turbine 26
After enter back into heat conducting pipe 8, high-temp waste gas pushes the impeller rotation of turbine 26 by inertia impulsive force, and is driven by booster shaft
The impeller of compressor 27 rotates, and to drive turbocharger 25 to work, passes through sky again after making compressor 27 that air is compressed
Letter shoot 9 is conveyed to cold chamber 4.The heat conducting pipe 8 and air delivery pipe 9 of the present invention is connect with turbocharger 25, with further
The utilization to the energy of exhaust gas is improved, to while reducing exhaust energy waste, increase the air inflow of air, improves internal combustion
The power performance of machine.Extraction flow regulating valve 16 can adjust the exhaust gas flow that exhaust pipe 15 is discharged into air, and then control and push
The impeller of turbine 26 and the exhaust gas flow for entering heat conducting pipe 8.Preferably, a charge air cooler 29 is provided on air delivery pipe, in
Cooler 29 for reducing the air after 25 compression processing of turbocharger temperature.It is further preferred that compressor air inlet machine pipe
An air cleaner 30 is provided on 28, air cleaner 30 is used to eliminate the granulometric impurity in air, is finally internal combustion engine 12
Middle fuel combustion provides clean oxygen-enriched air, avoids abrasion of the granulometric impurity to components such as cylinder wall, pistons.
The description of the aforementioned specific exemplary embodiment to the present invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explaining the specific principle of the present invention and its actually answering
With so that those skilled in the art can realize and utilize the present invention a variety of different exemplary implementation schemes and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (8)
1. a kind of gas handling system of the internal combustion engine oxygen-enriched combusting based on thermal transpiration effect comprising：
Oxygen concentration room, inner cavity are divided into a hot chamber and a cold chamber；It is characterized in that,
The hot chamber is connected to the cold chamber by microchannel group, and the characteristic size of each microchannel is little in the microchannel group
Mean free path in oxygen molecule and the mean free path more than nitrogen molecule；The cold chamber be provided with a cold chamber air inlet and
One cold chamber exhaust outlet, the hot chamber are provided with a hot chamber exhaust outlet；
The gas handling system further includes：
Heat conducting pipe passes through the hot chamber, and it is Heat Conduction Material that the heat conducting pipe, which is located at the material of the tube wall of the hot intracavitary,；This is led
Hot Bottomhole pressure has thermal medium, to improve the temperature of the hot intracavitary；
Air delivery pipe, one end are connect with the cold chamber air inlet, to convey air to the cold chamber；
Cold chamber exhaust pipe, one end are connect with the cold chamber exhaust outlet；And
Hot chamber exhaust pipe, one end is connect with the hot chamber exhaust outlet, and the gas of the other end and internal combustion engine of the hot chamber exhaust pipe
Cylinder connects.
2. the gas handling system of the internal combustion engine oxygen-enriched combusting according to claim 1 based on thermal transpiration effect, which is characterized in that
It is provided with insulating layer on the wall body of the oxygen concentration room.
3. the gas handling system of the internal combustion engine oxygen-enriched combusting according to claim 1 based on thermal transpiration effect, which is characterized in that
One end of the heat conducting pipe and the exhaust pipe of internal combustion engine connect, and the other end of the heat conducting pipe is provided with exhaust gas flow adjusting
Valve.
4. the gas handling system of the internal combustion engine oxygen-enriched combusting according to claim 3 based on thermal transpiration effect, which is characterized in that
The other end of the hot chamber exhaust pipe is connected by the cylinder of a gas mixer chamber and internal combustion engine；The gas mixer chamber is provided with
First mixing chamber air inlet, the second mixing chamber air inlet and mixing chamber exhaust outlet, the first mixing chamber air inlet and the heat
The other end of chamber exhaust pipe connects, and the mixing chamber exhaust outlet is connected by the cylinder of a mixing chamber gas outlet and internal combustion engine；
The second mixing chamber air inlet is connect by a flue gas leading with the heat conducting pipe, the connection of the flue gas leading and the heat conducting pipe
Place is between the hot chamber and the exhaust gas flow regulating valve.
5. the gas handling system of the internal combustion engine oxygen-enriched combusting according to claim 4 based on thermal transpiration effect, which is characterized in that
A mixed airflow adjustable valve is provided on the mixing chamber gas outlet.
6. the gas handling system of the internal combustion engine oxygen-enriched combusting according to claim 4 based on thermal transpiration effect, which is characterized in that
One end of the heat conducting pipe is connected by the turbine of a turbocharger and the exhaust pipe of internal combustion engine；The air delivery pipe
The other end is connect with the outlet of the compressor of the turbocharger, and the import of the compressor of the turbocharger is calmed the anger with one
Machine air inlet pipe connects.
7. the gas handling system of the internal combustion engine oxygen-enriched combusting according to claim 6 based on thermal transpiration effect, which is characterized in that
A charge air cooler is provided on the air delivery pipe.
8. the gas handling system of the internal combustion engine oxygen-enriched combusting according to claim 6 based on thermal transpiration effect, which is characterized in that
It is provided with an air cleaner on the compressor air inlet machine pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610894925.4A CN106401814B (en) | 2016-10-13 | 2016-10-13 | A kind of gas handling system of the internal combustion engine oxygen-enriched combusting based on thermal transpiration effect |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610894925.4A CN106401814B (en) | 2016-10-13 | 2016-10-13 | A kind of gas handling system of the internal combustion engine oxygen-enriched combusting based on thermal transpiration effect |
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| Publication Number | Publication Date |
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| CN106401814A CN106401814A (en) | 2017-02-15 |
| CN106401814B true CN106401814B (en) | 2018-10-09 |
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| CN2344566Y (en) * | 1998-11-18 | 1999-10-20 | 田文新 | Engine membrane separation oxygen-enrichment fuel-saving device |
| CN1327126C (en) * | 2000-12-15 | 2007-07-18 | 徐佰平 | Oxygen enriching and oil saving filter element for internal combustion engine |
| JP2007071176A (en) * | 2005-09-09 | 2007-03-22 | Dan Kikaku:Kk | Method and device for purifying combustion device |
| CN202108623U (en) * | 2011-07-04 | 2012-01-11 | 旷丛韬 | Oxygen enrichment air inlet device of combustion chamber |
| CN202832869U (en) * | 2012-05-19 | 2013-03-27 | 张吉康 | Oxygen enriching device |
| CN104587790B (en) * | 2014-12-18 | 2016-08-24 | 广西大学 | A kind of based on micro-/receive yardstick thermal transpiration effect and the gas separation system of macroscopic eddy current cold-thermal effect |
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