CN110043353A - A kind of engine exhaust gas processing unit - Google Patents
A kind of engine exhaust gas processing unit Download PDFInfo
- Publication number
- CN110043353A CN110043353A CN201910403647.1A CN201910403647A CN110043353A CN 110043353 A CN110043353 A CN 110043353A CN 201910403647 A CN201910403647 A CN 201910403647A CN 110043353 A CN110043353 A CN 110043353A
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- Prior art keywords
- exhaust
- pipe
- generating set
- exhaust gas
- gas processing
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- 238000012545 processing Methods 0.000 title claims abstract description 21
- 238000009825 accumulation Methods 0.000 claims abstract description 21
- 238000000746 purification Methods 0.000 claims abstract description 21
- 230000003584 silencer Effects 0.000 claims abstract description 13
- 239000007789 gas Substances 0.000 claims description 52
- 238000001816 cooling Methods 0.000 claims description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000000498 cooling water Substances 0.000 claims description 12
- 210000000352 storage cell Anatomy 0.000 claims description 12
- 239000002912 waste gas Substances 0.000 claims description 10
- 238000010248 power generation Methods 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- 239000000077 insect repellent Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 4
- 239000000446 fuel Substances 0.000 abstract description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 12
- 230000000694 effects Effects 0.000 description 9
- 239000002918 waste heat Substances 0.000 description 8
- 230000005611 electricity Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000011214 refractory ceramic Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
-
- 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
- F01N3/01—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust by means of electric or electrostatic separators
-
- 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
- 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
- F01N5/025—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using heat the device being thermoelectric generators
-
- 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
- F01N5/04—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using kinetic energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/32—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from a charging set comprising a non-electric prime mover rotating at constant speed
-
- 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)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Power Engineering (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses a kind of engine exhaust gas processing units, exhaust pipe including connecting cylinder, silencer and ternary catalyzing unit are disposed with along discharge directions in exhaust pipe, generating set and purification group are disposed with along discharge directions in exhaust pipe, generating set and purification group are installed between silencer and ternary catalyzing unit, on exhaust pipe is connected with accumulation of energy group with generating set.The exhaust gas processing device have the advantages that structure it is simple, it is ingenious in design, axle power performance and fuel economy can be improved.
Description
Technical field
The invention mainly relates to vehicle maintenance service technology more particularly to a kind of engine exhaust gas processing units.
Background technique
With the development of economy and society, car ownership increases year by year, vehicle exhaust becomes the main source of atmosphere pollution
One of.On the one hand, the nitrogen oxides that engine fuel burning generates largely is directly discharged in atmosphere；On the other hand, start
There is also significant portions to be taken away by vehicle exhaust for the heat of machine burning.Therefore, a kind of engine exhaust treatment appts are designed, are filled
Divide the waste heat energy regenerating for recycling tail gas, helps to improve the power performance and the economy performance of vehicle.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies in the prior art, provide a kind of structure it is simple, it is ingenious in design,
The engine exhaust gas processing unit of axle power performance and fuel economy can be improved.
In order to solve the above technical problems, the invention adopts the following technical scheme:
A kind of engine exhaust gas processing unit, the exhaust pipe including connecting cylinder, the exhaust pipe
It is interior to be disposed with silencer and ternary catalyzing unit along discharge directions, it is disposed in the exhaust pipe along discharge directions
Generating set and purification group, the generating set and purification group are between silencer and ternary catalyzing unit, on the exhaust pipe
It is installed with and is connected with accumulation of energy group with generating set.
As a further improvement of the above technical scheme:
The generating set includes the dish type cooling tube of at least one class mosquito repellent incense structure, and the dish type cooling tube is equipped with water inlet
And water outlet, the inlet and outlet are connected to the cooling water inlet pipe of engine and cooling water outlet pipe respectively, adjacent
Air duct is formed between the dish type cooling tube of winding, and thermoelectric generation film, the temperature difference hair are equipped at intervals in the air duct
Electric piece side is fixed with dish type cooling tube, the hot waste gas in the air duct of the other side contacts, thermoelectric generation film and accumulation of energy group Electricity Federation
It connects.
The generating set further includes generator, rotating vane and spoke type bracket, and the generator passes through spoke type bracket
It is fixed in exhaust pipe, the shaft connection of the rotating vane and generator, generator is located at dish type cooling tube and ternary
Between catalyst converter and rotating vane is towards dish type cooling tube, and the generator is electrically connected with accumulation of energy group.
The accumulation of energy group includes rectifier, power storage cell and fixed frame, and the fixed frame is mounted on exhaust pipe, institute
It states rectifier and power storage cell is mounted on fixed frame and rectifier and power storage cell mutually electrically connect, the rectifier and temperature
Poor power generation sheet and generator electrically connect.
The purification group includes insulating support, support shaft and helical fin, and the insulating support is fixed on exhaust pipe
Interior and between generating set and ternary catalyzing unit, the support shaft is fixed on insulating support and towards generating set, the spiral shell
Rotation fin is fixed in support shaft, and the helical fin week edge is evenly equipped with multiple copper needles.
Venthole is offered on the helical fin.
The screw pitch of the helical fin along discharge directions from large to small.
It further include the exhaust branch pipe being connected to exhaust pipe, the Single port of the exhaust branch pipe is located at silencer and power generation
Between group, the another port of exhaust branch pipe is provided with turbine increasing between generating set and helical fin on the exhaust branch pipe
Depressor, the air inlet pipe of compressor outlet one end connection air filter, other end connection cylinder are described
The exhaust outlet of turbocharger is connect with exhaust branch pipe.
Compared with the prior art, the advantages of the present invention are as follows:
Engine exhaust gas processing unit of the invention, the exhaust pipe including connecting cylinder, exhaust pipe
Interior to be disposed with silencer and ternary catalyzing unit along discharge directions, exhaust pipe is interior to be disposed with power generation along discharge directions
Group and purification group, generating set and purification group are installed with and are generated electricity on exhaust pipe between silencer and ternary catalyzing unit
Group is connected with accumulation of energy group.When hot waste gas is discharged from exhaust pipe, first passes through generating set and carry out heat exchange and while utilizing heat
It is able to achieve power generation, the accumulation of energy effect of electric energy is realized by accumulation of energy group, is then discharged after purified treatment of the tail gas by purification group.Compared with biography
For the tail gas of system is expelled directly out, the present invention can sufficiently recycle the waste heat energy regenerating of tail gas, help to improve the power of vehicle
Property and fuel economy, it is simple in sturcture, ingenious in design.
Detailed description of the invention
Fig. 1 is the schematic view of the front view of inventive engine exhaust gas processing device.
Fig. 2 is the structural schematic diagram of dish type cooling tube in inventive engine exhaust gas processing device.
Fig. 3 is the structural schematic diagram of purification group in inventive engine exhaust gas processing device.
Each label indicates in figure:
1, cylinder；11, air inlet pipe；2, exhaust pipe；3, silencer；4, ternary catalyzing unit；5, generating set；
51, dish type cooling tube；511, water inlet；512, water outlet；52, air duct；53, thermoelectric generation film；54, generator；55, it revolves
Rotating vane piece；56, spoke type bracket；6, purification group；61, spoke type insulating support；62, support shaft；63, helical fin；631, lead to
Stomata；64, copper needle；7, accumulation of energy group；71, rectifier；72, power storage cell；73, fixed frame；8, exhaust branch pipe；9, turbocharging
Device；10, air filter.
Specific embodiment
The present invention is described in further details below with reference to Figure of description and specific embodiment.
Fig. 1 to Fig. 3 shows a kind of embodiment of inventive engine exhaust gas processing device, including connection cylinder
1 exhaust pipe 2, exhaust pipe 2 is interior to be disposed with silencer 3 and ternary catalyzing unit 4, tail gas exhaust along discharge directions
It is disposed with generating set 5 and purification group 6 along discharge directions in pipe 2, generating set 5 and purification group 6 are located at silencer 3 and ternary is urged
Change between device 4, is installed on exhaust pipe 2 and is connected with accumulation of energy group 7 with generating set 5.When hot waste gas is discharged from exhaust pipe 2
When, it first passes through generating set 5 and carries out heat exchange simultaneously while realizing power generation using thermal energy, the accumulation of energy effect of electric energy is realized by accumulation of energy group 7,
It is discharged after the purified treatment that then tail gas passes through purification group 6.For more traditional tail gas is expelled directly out, the present invention can be recycled sufficiently
Using the waste heat energy regenerating of tail gas, the power performance and the economy performance of vehicle is helped to improve, it is simple in sturcture, ingenious in design.
In the present embodiment, generating set 5 includes the dish type cooling tube 51 of at least one class mosquito repellent incense structure, and dish type cooling tube 51 is set
Have a water inlet 511 and water outlet 512, water inlet 511 and water outlet 512 respectively with the cooling water inlet pipe of engine and cooling water
Outlet pipe is connected to, and is formed air duct 52 between the dish type cooling tube 51 of adjacent windings, is equipped at intervals with the temperature difference in air duct 52
Power generation sheet 53,53 side of thermoelectric generation film is fixed with dish type cooling tube 51, the hot waste gas in other side air duct 52 contacts, temperature
Poor power generation sheet 53 is electrically connected with accumulation of energy group 7.
In the structure, most of exhaust gas in exhaust pipe 2 flows through dish type cooling tube 51, the water inlet of dish type cooling tube 51
Mouth 511 introduces cooling water by the cooling water inlet pipe branch of the engine of engine, and the total amount of branch's cooling water does not influence whole
The cycle operation of a engine cooling water, water is lower, the rounded class mosquito repellent incense structure of the structure of dish type cooling tube 51, and internal
There are air duct 52 in cooling water annular convective motion, centre, pass through exhaust gas, and exhaust gas is flowed through in air duct 52, increased
The contact area of waste heat and cooling water, while improving waste heat exchange efficiency；Dish type cooling tube 51 can be installed in parallel multiple, heat friendship
Change that efficiency is very high, dish type cooling tube 51 and exhaust gas contact are equipped with thermoelectric generation film 53,53 side of thermoelectric generation film on one side
It is contacted with high-temp waste gas, side is contacted with dish type cooling tube 51, forms the larger temperature difference, and thermo-electric generation effect can be improved, and is generated
Electric current deposit accumulation of energy group 7 in；Air duct 52 is abundant to be utilized 2 inner space of exhaust pipe, reduces thermal loss,
The heat energy from waste gas of engine combustion is adequately exchanged and is utilized, and thermo-electric generation effect is obvious；Between thermoelectric generation film 53 is uniform
Every be arranged in around dish type cooling tube 51, be connected in parallel by fire resistant electric wire, generating efficiency is high, can adequately utilize
Exhaust gas annular flow overdominance, increases the area of waste heat contact, and waste-heat power generation effect is obvious；Dish type cooling tube 51 passes through resistant to high temperature
Electric wire series connection, connects accumulation of energy group 7, stores electric energy.
In the present embodiment, generating set 5 further includes generator 54, rotating vane 55 and spoke type bracket 56, and generator 54 is logical
It crosses spoke type bracket 56 to be fixed in exhaust pipe 2, rotating vane 55 is connect with the shaft of generator 54, and generator 54 is located at
Between dish type cooling tube 51 and ternary catalyzing unit 4 and rotating vane 55 is towards dish type cooling tube 51, generator 54 and accumulation of energy group 7
It electrically connects.A circular power generator, the exhaust gas warp of engine combustion is collectively formed in microgenerator 54 and rotating vane 55
Rotating vane 55 is flowed through after crossing dish type cooling tube 51, rotating vane 55 is pushed to rotate, rotating vane 55 is refractory ceramics blade,
To drive generator 54 to generate electricity；Generator 54 is built in exhaust pipe 2 by spoke type bracket 56 does not increase exhaust back
Pressure, the electric energy that generator 54 generates are stored into accumulation of energy group 7；Flow through the stream of the engine exhaust of generator 54 and rotating vane 55
Speed is further reduced, and the temperature of exhaust gas is also further reduced.
In the present embodiment, accumulation of energy group 7 includes rectifier 71, power storage cell 72 and fixed frame 73, and fixed frame 73 is mounted on tail
On gas exhaust pipe 2, rectifier 71 and power storage cell 72 are mounted on fixed frame 73 and rectifier 71 and power storage cell 72 mutually electricity
Connection, rectifier 71 are electrically connected with thermoelectric generation film 53 and generator 54.In the structure, generator 54 and thermoelectric generation film 53
The electric energy of generation is stored into power storage cell 72 after passing through rectifier 71, and rectifier 71 and power storage cell 72 are realized by fixed frame 73
Installation is fixed.
In the present embodiment, purification group 6 includes spoke type insulating support 61, support shaft 62 and helical fin 63, insulating support
61 are fixed in exhaust pipe 2 and between generating set 5 and ternary catalyzing unit 4, and support shaft 62 is fixed on insulating support 61
Above and towards generating set 5, helical fin 63 is fixed in support shaft 62, and 63 weeks edges of helical fin are evenly equipped with multiple copper needles 64.Spiral shell
It is covered with copper needle 64 on rotation fin 63, the structure of syringe-type is constituted on the inside of the copper needle 64 and exhaust pipe 2 on helical fin 63, leads to
Corona discharge form is crossed, plasma is generated；According to vehicle-mounted provided common voltage, using high-voltage pulse power source form, symbol
Close vehicle-mounted standard；Corona discharge, copper needle 64 are used as discharge electrode, and 2 inner sidewall of exhaust pipe connects direct current as another termination electrode
Source constitutes circuit；Corona discharge will carry out high-efficient purification to the nitrogen oxides in motor exhaust, be covered with spiral shell using copper needle 64
Fin 63 is revolved, corona point can be improved, cleaning of off-gas effect is relatively good.Support shaft 62 is arranged by ceramic insulating support 61 and tail gas
The connection of 2 shell of tracheae.
In the present embodiment, venthole 631 is offered on helical fin 63.Venthole 631 on helical fin 63 is further
It ensures smooth gas discharge, does not generate exhaust and hinder to influence.
In the present embodiment, the screw pitch of helical fin 63 along discharge directions from large to small.Helical fin 63 is close by dredging, and becomes spiral shell
Away from form, the heat transfer efficiency of the exhaust gas and tube wall in exhaust pipe 2 is on the one hand increased, on the other hand, using helical fin
63 structures enhance perturbation action of the engine exhaust in exhaust pipe 2, also increase exhaust gas and 2 wall of exhaust pipe
Heat exchanger effectiveness, further reduced the temperature of engine exhaust, meanwhile, the structure of helical fin 63 increases internal waste gas
By the time, in contrast, increase thermal conduction time length, further realize the purpose of energy-saving and emission-reduction.Varying pitch structure, makes
Exhaust gas is smaller in the front and back end pressure difference of helical fin 63, and temperature difference is smaller, and local pressure is uniform, is not in pressure jump
Situation improves the uniformity of exhaust gas flowing.Meanwhile 63 structure of helical fin of varying pitch, make spiral wing to a certain extent
Flow velocity before and after chip architecture is unlikely to too fast, and engine waste gas heat is caused to measure less than abundant conversion.Therefore, so that engine is useless
When gas passes through, front and back avoids temperature from tending to uniformly, improve heat exchanger efficiency.The varying pitch form of helical fin 63, extends exhaust gas
Residence time in 63 pipeline of helical fin increases ionization purifying rate, and purification of nitrogen oxides effect is preferable, and exhaust gas passes through
When, the temperature difference is smaller, and exhaust gas is uniformly through being conducive to corona discharge and sufficiently carry out, enable exhaust gas nitrogen oxides sufficiently electric
From purification.
It further include the exhaust branch pipe 8 being connected to exhaust pipe 2 in the present embodiment, the Single port of exhaust branch pipe 8, which is located at, to disappear
Between sound device 3 and generating set 5, the another port of exhaust branch pipe 8 is between generating set 5 and helical fin 63, on exhaust branch pipe 8
It is provided with turbocharger 9,9 air inlet one end of turbocharger connects air filter 10, the other end connects cylinder 1
Air inlet pipe 11, the exhaust outlet of turbocharger 9 connect with exhaust branch pipe 8.In the structure, the high temperature and pressure of exhaust is made full use of
Exhaust energy so that air inlet is achieved the effect that pressurization by turbocharger 9；Especially high-speed high-load when, engine exhaust
Energy is high, and portion is fully used, and drives turbocharger 9 to work, air inlet is promoted to be improved；In addition, by whirlpool
The exhaust gas of booster 9 is taken turns, temperature and waste heat energy are substantially reduced, and while improving air inflow, reduce the row of exhaust gas
The thermal stress of gas noise and exhaust system, the exhaust gas after completing supercharging effect enter in 63 device of helical fin, further
To waste gas purification processing.
Although the present invention is disclosed as above with preferred embodiment, however, it is not intended to limit the invention.It is any to be familiar with ability
The technical staff in domain, without deviating from the scope of the technical scheme of the present invention, all using the technology contents pair of the disclosure above
Technical solution of the present invention makes many possible changes and modifications or equivalent example modified to equivalent change.Therefore, all
Without departing from the content of technical solution of the present invention, according to the present invention technical spirit any simple modification made to the above embodiment,
Equivalent variations and modification, all shall fall within the protection scope of the technical scheme of the invention.
Claims (8)
1. a kind of engine exhaust gas processing unit, the exhaust pipe (2) including connecting cylinder (1), the tail gas row
Silencer (3) and ternary catalyzing unit (4) are disposed with along discharge directions in tracheae (2), it is characterised in that: the tail gas exhaust
It is disposed with generating set (5) and purification group (6) along discharge directions in pipe (2), the generating set (5) and purification group (6) are located at
Between silencer (3) and ternary catalyzing unit (4), it is installed on the exhaust pipe (2) and is connected with accumulation of energy group with generating set (5)
(7)。
2. engine exhaust gas processing unit according to claim 1, it is characterised in that: the generating set (5) includes at least
The dish type cooling tube (51) of one class mosquito repellent incense structure, the dish type cooling tube (51) are equipped with water inlet (511) and water outlet
(512), the water inlet (511) and water outlet (512) connect with the cooling water inlet pipe of engine and cooling water outlet pipe respectively
It is logical, air duct (52) are formed between the dish type cooling tube (51) of adjacent windings, are equipped at intervals with temperature in the air duct (52)
Poor power generation sheet (53), thermoelectric generation film (53) side and dish type cooling tube (51) are fixed, in other side air duct (52)
Hot waste gas contact, thermoelectric generation film (53) electrically connects with accumulation of energy group (7).
3. engine exhaust gas processing unit according to claim 2, it is characterised in that: the generating set (5) further includes hair
Motor (54), rotating vane (55) and spoke type bracket (56), the generator (54) are fixed on by spoke type bracket (56)
In exhaust pipe (2), the rotating vane (55) connect with the shaft of generator (54), and it is cooling that generator (54) is located at dish type
It manages between (51) and ternary catalyzing unit (4) and rotating vane (55) is towards dish type cooling tube (51), the generator (54) and storage
Energy group (7) electrically connects.
4. engine exhaust gas processing unit according to claim 3, it is characterised in that: the accumulation of energy group (7) includes rectification
Device (71), power storage cell (72) and fixed frame (73), the fixed frame (73) are mounted on exhaust pipe (2), the rectification
Device (71) and power storage cell (72) are mounted on fixed frame (73) and rectifier (71) and power storage cell (72) mutually electrically connect,
The rectifier (71) electrically connects with thermoelectric generation film (53) and generator (54).
5. engine exhaust gas processing unit according to any one of claim 1 to 4, it is characterised in that: the purification group
It (6) include spoke type insulating support (61), support shaft (62) and helical fin (63), the insulating support (61) is fixed on tail gas
In exhaust pipe (2) and between generating set (5) and ternary catalyzing unit (4), the support shaft (62) is fixed on insulating support
(61) on and towards generating set (5), the helical fin (63) is fixed on support shaft (62), all edges of the helical fin (63)
It is evenly equipped with multiple copper needles (64).
6. engine exhaust gas processing unit according to claim 5, it is characterised in that: opened up on the helical fin (63)
There are venthole (631).
7. engine exhaust gas processing unit according to claim 6, it is characterised in that: the screw pitch of the helical fin (63)
From large to small along discharge directions.
8. engine exhaust gas processing unit according to claim 5, it is characterised in that: further include and exhaust pipe (2)
The Single port of the exhaust branch pipe (8) of connection, the exhaust branch pipe (8) is located between silencer (3) and generating set (5), exhaust branch
The another port of pipe (8) is located between generating set (5) and helical fin (63), and turbine increasing is provided on the exhaust branch pipe (8)
Depressor (9), turbocharger (9) air inlet one end connection air filter (10), other end connection cylinder (1)
Air inlet pipe (11), the exhaust outlet of the turbocharger (9) connect with exhaust branch pipe (8).
Priority Applications (1)
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| CN201910403647.1A CN110043353A (en) | 2019-05-15 | 2019-05-15 | A kind of engine exhaust gas processing unit |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196648A (en) * | 2020-10-22 | 2021-01-08 | 义乌市重心汽车用品有限公司 | Utilize tail gas heat energy and wind energy power generation cleaning equipment |
| CN112428782A (en) * | 2020-11-28 | 2021-03-02 | 芜湖展益汽车科技有限公司 | Intelligent automobile heat management system |
| WO2022228290A1 (en) * | 2021-04-25 | 2022-11-03 | 烟台杰瑞石油装备技术有限公司 | Turbine fracturing equipment |
-
2019
- 2019-05-15 CN CN201910403647.1A patent/CN110043353A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196648A (en) * | 2020-10-22 | 2021-01-08 | 义乌市重心汽车用品有限公司 | Utilize tail gas heat energy and wind energy power generation cleaning equipment |
| CN112428782A (en) * | 2020-11-28 | 2021-03-02 | 芜湖展益汽车科技有限公司 | Intelligent automobile heat management system |
| CN112428782B (en) * | 2020-11-28 | 2023-09-22 | 芜湖展益汽车科技有限公司 | Intelligent automobile thermal management system |
| WO2022228290A1 (en) * | 2021-04-25 | 2022-11-03 | 烟台杰瑞石油装备技术有限公司 | Turbine fracturing equipment |
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