CN107725151A - A kind of automobile exhaust gas purifying installation - Google Patents
A kind of automobile exhaust gas purifying installation Download PDFInfo
- Publication number
- CN107725151A CN107725151A CN201710759768.0A CN201710759768A CN107725151A CN 107725151 A CN107725151 A CN 107725151A CN 201710759768 A CN201710759768 A CN 201710759768A CN 107725151 A CN107725151 A CN 107725151A
- Authority
- CN
- China
- Prior art keywords
- plasma
- space
- module
- control system
- interior electrode
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009434 installation Methods 0.000 title claims abstract description 14
- 239000003054 catalyst Substances 0.000 claims abstract description 61
- 238000006243 chemical reaction Methods 0.000 claims abstract description 32
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 230000005611 electricity Effects 0.000 claims description 12
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims 1
- 238000006555 catalytic reaction Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000007613 environmental effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 28
- 238000004891 communication Methods 0.000 description 12
- 238000010438 heat treatment Methods 0.000 description 8
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000000746 purification Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000033228 biological regulation Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- QPLDLSVMHZLSFG-UHFFFAOYSA-N Copper oxide Chemical group [Cu]=O QPLDLSVMHZLSFG-UHFFFAOYSA-N 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000003863 metallic catalyst Substances 0.000 description 2
- 229910000510 noble metal Inorganic materials 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000006722 reduction reaction Methods 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052878 cordierite Inorganic materials 0.000 description 1
- 229960004643 cupric oxide Drugs 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- JSKIRARMQDRGJZ-UHFFFAOYSA-N dimagnesium dioxido-bis[(1-oxido-3-oxo-2,4,6,8,9-pentaoxa-1,3-disila-5,7-dialuminabicyclo[3.3.1]nonan-7-yl)oxy]silane Chemical compound [Mg++].[Mg++].[O-][Si]([O-])(O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2)O[Al]1O[Al]2O[Si](=O)O[Si]([O-])(O1)O2 JSKIRARMQDRGJZ-UHFFFAOYSA-N 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/101—Three-way catalysts
-
- 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
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/26—Construction of thermal reactors
-
- 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
- F01N9/00—Electrical control of exhaust gas treating apparatus
-
- 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
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/28—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being a plasma reactor
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
-
- 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
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Materials Engineering (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The present invention relates to a kind of automobile exhaust gas purifying installation, belong to environmental technology field.Plasma-catalytic space and catalyst reaction space two parts catalysis space are provided with inside the crust of the device,Plasma-catalytic space includes interior electrode,External electrode and nonmetallic three-way catalyst,Interior electrode is internally positioned and concentric with shell,Interior electrode is externally provided with external electrode,Nonmetallic three-way catalyst is provided between inner and outer electrodes,Interior electrode communicates with tail gas air inlet,Catalyst reaction interior volume fills three-way catalyst,Three-way catalyst one end communicates with plasma-catalytic space,The other end communicates with tail gas gas outlet,Temperature sensor is provided with the automobile exhaust gas purifying installation,The interior electrode in plasma-catalytic space is connected with the IGBT circuit output power cathodes of electric control system module,Dispatch from foreign news agency electrode potential is zero,Electric control system module is connected with temperature sensor,Shell copper wire connects power supply by electric control system module.The present apparatus reduces the discharge of cold start pollution thing.
Description
Technical field
The present invention relates to a kind of automobile exhaust gas purifying installation, belong to environmental technology field.
Background technology
At present, the outer purifier of universal processing diesel automobile exhaust is diesel particulate trap and catalyst, gone back
Selective catalyst reduction system.Diesel particulate trap and typical catalyst action principle are when vehicle exhaust is caught by particle
Discharged after reducing particle content after storage after catalyst is changed.Selective catalytic reduction system operating action principle be to
Urea is sprayed in tail gas, the discharge of exhaust pollutant is reduced under the catalyzed conversion of catalyst.But both the above processing method
It is difficult to exhaust pollutant discharge when reducing cold-starting automobile, while with lifting of the country for automobile exhaust emission standard,
Above processing method has been extremely difficult to require that for the discharge standard of state six.
The content of the invention
For the above-mentioned problems of the prior art and deficiency, the present invention provides a kind of automobile exhaust gas purifying installation.This is net
Makeup, which is put, can handle nitrogen oxides and particulate matter simultaneously, and carry self-heating system, pollutant emission when reducing cold start-up.This
Invention is achieved through the following technical solutions.
A kind of automobile exhaust gas purifying installation, including temperature sensor 4, shell 8, plasma-catalytic space, catalyst are anti-
Space 12 and electric control system module 7 are answered, shell 8 includes copper wire 6 concentric from outside to inside, ceramics 15 and iron core 14, shell 8
Inside is provided with plasma-catalytic space and the two parts of catalyst reaction space 12 catalysis space, and plasma-catalytic space includes
Interior electrode 1, external electrode 2 and nonmetallic three-way catalyst 3, interior electrode 1 is internally positioned and concentric with shell 8, and interior electrode 1 is externally provided with
External electrode 2, is provided with nonmetallic three-way catalyst 3 between interior electrode 1 and external electrode 2, interior electrode 1 is communicated with tail gas air inlet 9, urged
The inside of agent reaction compartment 12 filling three-way catalyst 5, the one end of three-way catalyst 5 communicates with plasma-catalytic space, another
End communicates with tail gas gas outlet 13, and plasma-catalytic space is provided with temperature sensor 4, the interior electrode in plasma-catalytic space
1 is connected with the IGBT circuit output power cathodes of electric control system module 7, and the potential of external electrode 2 is zero, electric control system mould
Block 7 is connected with temperature sensor 4, and the copper wire 6 on shell 8 connects power supply by electric control system module 7.
The electric control system module 7 includes PLC master controllers, the drive module being connected respectively with PLC master controllers,
Voltage acquisition module, key circuit, temperature collect module, BDM debugging modules and IGBT circuits, and provide electricity for module used
The power management module in source, temperature collect module are connected with temperature sensor 4, voltage acquisition module and plasma-catalytic space
Interior electrode 1 voltage sensor connection, the interior electrode 1 in plasma-catalytic space and the IGBT electricity of electric control system module
Road out-put supply negative pole is connected, and the copper wire 6 on shell 8 is connected by electric control system module with power supply.Above-mentioned power management
Module is powered to each several part, and PLC master controllers are carried out by communication module and vehicle main frame enters row information and exchanged, while pass through temperature
Degree and voltage acquisition module collecting temperature and voltage data, then by drive module control plasma reactor 10 discharge and
Control copper wire 6 is powered, and the output voltage of voltage acquisition module collection plasma cleaning systems high-frequency and high-voltage power supply is as feedback electricity
Pressure, sample circuit is formed to realize using AC mutual induction, sampling feedback voltage is transferred into PLC master controllers by A/D, is formed
Closed-loop control；PLC master controllers mainly use the modules such as the A/D conversions of inside, PWM to realize the control to whole clarifier；Drive
Dynamic model block is divided into previous module and two level module；Previous module：Drive the IGBT circuits regulation high-frequency high-voltage direct-current pulse power defeated
Go out.Two level module：Drive the output of Electromagnetic Heating partial power（Copper wire 6 is connected into power supply）；IGBT circuits are by 220V AC voltage
It is changed into variable（Intensity of variation is adjusted by drive circuit）The high-frequency high-voltage direct-current pulse power exports.Communication module：Communication module
Communicated with automobile controller, realize that data are uploaded and downloaded.Communication with automobile master controller is realized by CAN.
The plasma-catalytic space is fixedly connected with catalyst reaction space 12 by screw 11.
Above-mentioned plasma reactor 10 includes interior electrode 1 and external electrode 2.
Above-mentioned nonmetallic three-way catalyst 3 is 7CuO/10CeO2/γ-AL2O3Catalyst；Three-way catalyst 5 is the expensive gold of Pt
Belong to three-way catalyst.
The operation principle of the automobile exhaust gas purifying installation is：
During work, when cold-starting automobile, the temperature of detection is delivered to PLC master controllers by temperature sensor 4, and temperature is less than
PLC master controllers start electromagnetic heating system at 300 DEG C, and electric current produces vortex current by copper wire 6 and inside iron core 14 and added
The hot device；Vehicle exhaust enters the device from tail gas air inlet 9, first passes through plasma-catalytic space, vehicle exhaust is waiting
Ionization reaction and being carried out under the heating condition of vortex current with nonmetallic three-way catalyst 3 is catalyzed anti-in plasma reactor 10
Should, PLC master controllers are passed to by the real-time voltage on voltage sensor in the process and are controlled, then again by urging
Agent reaction compartment 12 is catalyzed for 5 times in three-way catalyst, and the device is left finally by tail gas gas outlet 13.When adding for the device
When hot temperature reaches 300 DEG C, data are transmitted to PLC master controllers by temperature sensor 4, and subsequent PLC master controllers close electricity
Magnetic heating system.
The internal and external electrode of plasma reactor 10 is apart from restricted, to meet the automobile of different displacements, different displacements automobile
The simply connected of reaction of low temperature plasma device 10 dress, two multi packs, three multi packs, more multi packs etc. can be used.
During work, from the external electrode 2 of reaction of low temperature plasma device 10 in the presence of high voltage pulse, to it is whole wait from
The a large amount of high energy electrons of radiation in daughter catalysis space, discharge mode use dielectric barrier discharge.Medium is made pottery using cordierite simultaneously
Porcelain loads non-metallic catalyst 3, and catalyst main component is cupric oxide.Tail gas molecule enter plasma-catalytic space after with
Electronics collides to form plasma, and a large amount of chemical reactions, the activity that main first stage chemical reaction is NOx during which occurs
Enhancing：NO is converted into the stronger NO2 of oxidisability；HC increased activity:Reduction reaction easily occurs for CxHy and O2 reaction generations
CxHyOz；Then the second stage chemical reaction of the non-metallic catalyst catalysis in the same space is：NOx is in catalyst action
Lower Selective Catalytic Reduction of NO x+CxHyOz+O2 → N2+CO2+H2O reaches the purpose of processing vehicle exhaust.
The beneficial effects of the invention are as follows：This purifier electromagnetic heating system can heat clarifier in cold-starting automobile
Reach catalyst light-off temperature, the discharge of automobile exhaust pollution thing when reducing cold-starting automobile, can handle nitrogen oxides and
Grain thing purification vehicle exhaust, it is simple in construction, possess intelligence intelligence control intelligence system monitor the clarifier working condition in real time, by with
The Data-Link of vehicle main frame is connected, and can adjust discharge of plasma in low temperature voltage according to engine real-time parameter at any time.
Brief description of the drawings
Fig. 1 is internal structure profile of the present invention；
Fig. 2 is external structure schematic diagram of the present invention；
Fig. 3 is plasma reactor sectional view of the present invention；
Fig. 4 is seven multi pack plasma reactor figures of the invention；
Fig. 5 is seven multi pack plasma reactor sectional views of the invention；
Fig. 6 is catalyst reaction aerial cross sectional figure of the present invention；
Fig. 7 is control system architecture schematic diagram of the present invention.
In figure：Electrode in 1-, 2- external electrodes, the nonmetallic three-way catalysts of 3-, 4- temperature sensors, 5- three-way catalysts,
6- copper wires, 7- electric control system modules, 8- shells, 9- tail gas air inlets, 10- plasma reactors, 11- screws, 12- are urged
Agent reaction compartment, 13- tail gas gas outlet, 14- iron cores, 15- ceramics.
Embodiment
With reference to the accompanying drawings and detailed description, the invention will be further described.
Embodiment 1
As shown in Fig. 1 to 3,6 and 7, a kind of automobile exhaust gas purifying installation, including temperature sensor 4, shell 8, plasma are urged
Change space, catalyst reaction space 12 and electric control system module 7, shell 8 includes copper wire 6 concentric from outside to inside, ceramics
15 and iron core 14, the inside of shell 8 is provided with plasma-catalytic space and the two parts of catalyst reaction space 12 catalysis space, wait from
Daughter catalysis space includes interior electrode 1, external electrode 2 and nonmetallic three-way catalyst 3, and interior electrode 1 is internally positioned and same with shell 8
The heart, interior electrode 1 are externally provided with external electrode 2, and nonmetallic three-way catalyst 3, interior electrode 1 and tail are provided between interior electrode 1 and external electrode 2
Gas air inlet 9 is communicated, and the inside of catalyst reaction space 12 filling three-way catalyst 5, the one end of three-way catalyst 5 is urged with plasma
Change space to communicate, the other end communicates with tail gas gas outlet 13, and plasma-catalytic space is provided with temperature sensor 4, plasma
The interior electrode 1 in catalysis space is connected with the IGBT circuit output power cathodes of electric control system module 7, and the potential of external electrode 2 is
Zero, electric control system module 7 is connected with temperature sensor 4, and the copper wire 6 on shell 8 is connected by electric control system module 7
Power supply.
The electric control system module 7 includes PLC master controllers, the drive module being connected respectively with PLC master controllers,
Voltage acquisition module, key circuit, temperature collect module, BDM debugging modules and IGBT circuits, and provide electricity for module used
The power management module in source, temperature collect module are connected with temperature sensor 4, voltage acquisition module and plasma-catalytic space
Interior electrode 1 voltage sensor connection, the interior electrode 1 in plasma-catalytic space and the IGBT electricity of electric control system module
Road out-put supply negative pole is connected, and the copper wire 6 on shell 8 is connected by electric control system module with power supply.Above-mentioned power management
Module is powered to each several part, and PLC master controllers are carried out by communication module and vehicle main frame enters row information and exchanged, while pass through temperature
Degree and voltage acquisition module collecting temperature and voltage data, then by drive module control plasma reactor 10 discharge and
Control copper wire 6 is powered, and the output voltage of voltage acquisition module collection plasma cleaning systems high-frequency and high-voltage power supply is as feedback electricity
Pressure, sample circuit is formed to realize using AC mutual induction, sampling feedback voltage is transferred into PLC master controllers by A/D, is formed
Closed-loop control；PLC master controllers mainly use the modules such as the A/D conversions of inside, PWM to realize the control to whole clarifier；Drive
Dynamic model block is divided into previous module and two level module；Previous module：Drive the IGBT circuits regulation high-frequency high-voltage direct-current pulse power defeated
Go out.Two level module：Drive the output of Electromagnetic Heating partial power（Copper wire 6 is connected into power supply）；IGBT circuits are by 220V AC voltage
It is changed into variable（Intensity of variation is adjusted by drive circuit）The high-frequency high-voltage direct-current pulse power exports.Communication module：Communication module
Communicated with automobile controller, realize that data are uploaded and downloaded.Communication with automobile master controller is realized by CAN.
Wherein plasma-catalytic space is fixedly connected with catalyst reaction space 12 by screw 11；Plasma reaction
Device 10 includes interior electrode 1 and external electrode 2；Nonmetallic three-way catalyst 3 is 7CuO/10CeO2/γ-AL2O3Catalyst；Triple effect is urged
Agent 5 is Pt noble metal triple effect catalysts.
The automobile exhaust gas purifying installation is placed in automobile, automobile current generator is R180 diesel engines, rotating speed 2600/
Min, α（Excess air factor）When=2, the supply voltage of plasma reactor 10 and frequency are respectively 25kV and 20kHz, by copper
Silk 6 connects alternating current 220V power supply, and tail gas clean-up result is as shown in table 1, goes division result as shown in table 4 PM solid particulate matters.
If nonmetallic three-way catalyst 3 is directly used as 7CuO/10CeO2/γ-AL2O3Catalyst purifies to tail gas,
Purification result is as shown in table 2；It is respectively 25kV and 20kHz plasma reactor 10 to tail according to supply voltage and frequency
Gas direct purification, purification result are as shown in table 3.
From table 1 to 3 as can be seen that the purification result of this purifier will be much better than single catalyst and low temperature plasma
Experimental result.
Table 1
Table 2
Table 3
Table 4
Embodiment 2
As shown in Fig. 1 to 7, the automobile exhaust gas purifying installation, including temperature sensor 4, shell 8, plasma-catalytic space, urge
Agent reaction compartment 12 and electric control system module 7, shell 8 include copper wire 6 concentric from outside to inside, ceramics 15 and iron core
14, the inside of shell 8 is provided with plasma-catalytic space and the two parts of catalyst reaction space 12 catalysis space, plasma-catalytic
Space includes interior electrode 1, external electrode 2 and nonmetallic three-way catalyst 3, and interior electrode 1 is internally positioned and concentric with shell 8, interior electricity
Pole 1 is externally provided with external electrode 2, and nonmetallic three-way catalyst 3, interior electrode 1 and tail gas air inlet are provided between interior electrode 1 and external electrode 2
Mouth 9 communicates, the inside of catalyst reaction space 12 filling three-way catalyst 5, the one end of three-way catalyst 5 and plasma-catalytic space
Communicate, the other end communicates with tail gas gas outlet 13, and plasma-catalytic space is provided with temperature sensor 4, and plasma-catalytic is empty
Between interior electrode 1 be connected with the IGBT circuit output power cathodes of electric control system module 7, the potential of external electrode 2 is zero, electrically
Control system module 7 is connected with temperature sensor 4, and the copper wire 6 on shell 8 connects power supply by electric control system module 7.
The electric control system module 7 includes PLC master controllers, the drive module being connected respectively with PLC master controllers,
Voltage acquisition module, key circuit, temperature collect module, BDM debugging modules and IGBT circuits, and provide electricity for module used
The power management module in source, temperature collect module are connected with temperature sensor 4, voltage acquisition module and plasma-catalytic space
Interior electrode 1 voltage sensor connection, the interior electrode 1 in plasma-catalytic space and the IGBT electricity of electric control system module
Road out-put supply negative pole is connected, and the copper wire 6 on shell 8 is connected by electric control system module with power supply.Above-mentioned power management
Module is powered to each several part, and PLC master controllers are carried out by communication module and vehicle main frame enters row information and exchanged, while pass through temperature
Degree and voltage acquisition module collecting temperature and voltage data, then by drive module control plasma reactor 10 discharge and
Control copper wire 6 is powered, and the output voltage of voltage acquisition module collection plasma cleaning systems high-frequency and high-voltage power supply is as feedback electricity
Pressure, sample circuit is formed to realize using AC mutual induction, sampling feedback voltage is transferred into PLC master controllers by A/D, is formed
Closed-loop control；PLC master controllers mainly use the modules such as the A/D conversions of inside, PWM to realize the control to whole clarifier；Drive
Dynamic model block is divided into previous module and two level module；Previous module：Drive the IGBT circuits regulation high-frequency high-voltage direct-current pulse power defeated
Go out.Two level module：Drive the output of Electromagnetic Heating partial power（Copper wire 6 is connected into power supply）；IGBT circuits are by 220V AC voltage
It is changed into variable（Intensity of variation is adjusted by drive circuit）The high-frequency high-voltage direct-current pulse power exports.Communication module：Communication module
Communicated with automobile controller, realize that data are uploaded and downloaded.Communication with automobile master controller is realized by CAN.
Wherein plasma-catalytic space is fixedly connected with catalyst reaction space 12 by screw 11；Above-mentioned plasma
Reactor 10 includes interior electrode 1 and external electrode 2；Above-mentioned nonmetallic three-way catalyst 3 is 7CuO/10CeO2/γ-AL2O3Catalysis
Agent；Three-way catalyst 5 is Pt noble metal triple effect catalysts；Plasma reactor 10 is seven multi packs.
Above in association with accompanying drawing to the present invention embodiment be explained in detail, but the present invention be not limited to it is above-mentioned
Embodiment, can also be before present inventive concept not be departed from those of ordinary skill in the art's possessed knowledge
Put that various changes can be made.
Claims (3)
- A kind of 1. automobile exhaust gas purifying installation, it is characterised in that：Including temperature sensor（4）, shell（8）, plasma-catalytic Space, catalyst reaction space（12）With electric control system module（7）, shell（8）Including copper wire concentric from outside to inside （6）, ceramics（15）And iron core（14）, shell（8）Inside is provided with plasma-catalytic space and catalyst reaction space（12）Two Partially catalyzed space, plasma-catalytic space include interior electrode（1）, external electrode（2）With nonmetallic three-way catalyst（3）, it is interior Electrode（1）Internally positioned and and shell（8）With one heart, interior electrode（1）It is externally provided with external electrode（2）, interior electrode（1）And external electrode（2） Between be provided with nonmetallic three-way catalyst（3）, interior electrode（1）With tail gas air inlet（9）Communicate, catalyst reaction space（12）It is interior Fill three-way catalyst in portion（5）, three-way catalyst（5）One end communicates with plasma-catalytic space, the other end and tail gas outlet Mouthful（13）Communicate, plasma-catalytic space is provided with temperature sensor（4）, the interior electrode in plasma-catalytic space（1）With electricity Gas control system module（7）IGBT circuit outputs power cathode connection, external electrode（2）Potential is zero, electric control system mould Block（7）With temperature sensor（4）Connection, shell（8）On copper wire（6）Pass through electric control system module（7）Connect power supply.
- 2. automobile exhaust gas purifying installation according to claim 1, it is characterised in that：The electric control system module（7） Including PLC master controllers, the drive module being connected respectively with PLC master controllers, voltage acquisition module, key circuit, temperature are adopted Collect module, BDM debugging modules and IGBT circuits, and the power management module of power supply, temperature acquisition mould are provided for module used Block and temperature sensor（4）Connection, voltage acquisition module and the interior electrode in plasma-catalytic space（1）Voltage sensor connect Connect, the interior electrode in plasma-catalytic space（1）It is connected with the IGBT circuit output power cathodes of electric control system module, outside Shell（8）On copper wire（6）It is connected by electric control system module with power supply.
- 3. automobile exhaust gas purifying installation according to claim 1, it is characterised in that：The plasma-catalytic space and urge Agent reaction compartment（12）Pass through screw（11）It is fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710759768.0A CN107725151A (en) | 2017-08-30 | 2017-08-30 | A kind of automobile exhaust gas purifying installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710759768.0A CN107725151A (en) | 2017-08-30 | 2017-08-30 | A kind of automobile exhaust gas purifying installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107725151A true CN107725151A (en) | 2018-02-23 |
Family
ID=61205543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710759768.0A Pending CN107725151A (en) | 2017-08-30 | 2017-08-30 | A kind of automobile exhaust gas purifying installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107725151A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108686597A (en) * | 2018-05-16 | 2018-10-23 | 亚洲硅业（青海）有限公司 | A kind of preparation method of gas discharge reactor, gas discharge system and trichlorosilane |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1315614A (en) * | 2000-03-24 | 2001-10-03 | 国营华北光学仪器厂 | Rear tail gas purifier of car |
| CN1648425A (en) * | 2004-12-02 | 2005-08-03 | 南京大学 | Integrated low temperature plasma catalytic reactor for exhaust gas purification |
| CN101678272A (en) * | 2007-05-09 | 2010-03-24 | 丰田自动车株式会社 | Device and method for regenerating exhaust purification catalyst |
| KR20140104889A (en) * | 2013-02-21 | 2014-08-29 | 한국기계연구원 | Exhaust gas apparatus for engine |
| CN105649721A (en) * | 2014-11-28 | 2016-06-08 | 谢小燕 | Automobile exhaust purifier |
| CN206111283U (en) * | 2016-09-22 | 2017-04-19 | 苏州大学 | Device for treating automobile exhaust by air plasma |
-
2017
- 2017-08-30 CN CN201710759768.0A patent/CN107725151A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1315614A (en) * | 2000-03-24 | 2001-10-03 | 国营华北光学仪器厂 | Rear tail gas purifier of car |
| CN1648425A (en) * | 2004-12-02 | 2005-08-03 | 南京大学 | Integrated low temperature plasma catalytic reactor for exhaust gas purification |
| CN101678272A (en) * | 2007-05-09 | 2010-03-24 | 丰田自动车株式会社 | Device and method for regenerating exhaust purification catalyst |
| KR20140104889A (en) * | 2013-02-21 | 2014-08-29 | 한국기계연구원 | Exhaust gas apparatus for engine |
| CN105649721A (en) * | 2014-11-28 | 2016-06-08 | 谢小燕 | Automobile exhaust purifier |
| CN206111283U (en) * | 2016-09-22 | 2017-04-19 | 苏州大学 | Device for treating automobile exhaust by air plasma |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108686597A (en) * | 2018-05-16 | 2018-10-23 | 亚洲硅业（青海）有限公司 | A kind of preparation method of gas discharge reactor, gas discharge system and trichlorosilane |
| CN108686597B (en) * | 2018-05-16 | 2020-06-02 | 亚洲硅业(青海)股份有限公司 | Gas discharge reactor, gas discharge system and preparation method of trichlorosilane |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6247303B1 (en) | Method and device for removing oxidic noxious substances in an oxygen-containing exhaust gas and engine which is operated therewith | |
| CN101344026B (en) | System for low temperature plasma pre-oxidizing NOx of auxiliary NH3-SCR fine purification diesel engine | |
| WO2004109069A1 (en) | Exhaust gas purifier | |
| CN107725151A (en) | A kind of automobile exhaust gas purifying installation | |
| CN106677863A (en) | System and method for removing NOx in exhaust gas of diesel vehicle by reinforcing urea SCR through nonthermal plasmas | |
| CN209576241U (en) | The device of double-dielectric barrier discharge plasma excitation catalytic gas phase reaction processing organic exhaust gas | |
| US9964017B2 (en) | Particulate collection system and particulate collection apparatus | |
| CN216457994U (en) | Energy-saving efficient desulfurization dust collector utilizing waste heat | |
| KR100996671B1 (en) | Exhaust gas processing system | |
| CN215196314U (en) | Ozone-enhanced microwave catalytic oxidation waste gas treatment device | |
| CN106246296B (en) | Device and method for treating automobile exhaust by air plasma | |
| CN209997400U (en) | Waste gas treatment system for casting core-making workshop | |
| JP2004245096A (en) | Plasma reactor | |
| CN209990526U (en) | Compact U-shaped cylinder type post-processing platform | |
| CN115487859B (en) | N (N) 2 O catalyst and vehicle tail gas treatment system | |
| CN103133088A (en) | Square postprocessor assembly | |
| CN208660828U (en) | A kind of exhaust treatment system | |
| CN204346081U (en) | SCR catalyst regenerates calciner and has its catalyst regeneration device | |
| Yoshioka | Recent developments in plasma De-NOx and PM (particulate matter) removal technologies from diesel exhaust gases | |
| CN217443234U (en) | Device for detecting ammonia and nitrogen oxide and nitrogen-oxygen sensor | |
| CN206111283U (en) | Device for treating automobile exhaust by air plasma | |
| CN104062154A (en) | Sampling device of collaborative particulates of low-temperature plasma generator and sampling method | |
| CN215109092U (en) | Particulate filter heating device for diesel engine exhaust aftertreatment system | |
| CN110131015B (en) | Automobile exhaust purification device | |
| EP1426102B1 (en) | Process for decreasing content of particulate material contained in exhaust gas from lean burn engine or the like |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180223 |