CN105822391A - Treatment method and system of nitrogen dioxide in automobile exhaust - Google Patents
Treatment method and system of nitrogen dioxide in automobile exhaust Download PDFInfo
- Publication number
- CN105822391A CN105822391A CN201610301155.8A CN201610301155A CN105822391A CN 105822391 A CN105822391 A CN 105822391A CN 201610301155 A CN201610301155 A CN 201610301155A CN 105822391 A CN105822391 A CN 105822391A
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- Prior art keywords
- nitrogen dioxide
- harmful gas
- tail gas
- exhaust
- vehicle exhaust
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—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
- F01N3/18—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 methods of operation; Control
- F01N3/20—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 methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2086—Activating the catalyst by light, photo-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
- F01N3/18—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 methods of operation; Control
- F01N3/20—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 methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
-
- 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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—Nitrogen oxides
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
- F01N2900/1402—Exhaust gas composition
-
- 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
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Catalysts (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention relates to a treatment method and a system of nitrogen dioxide in automobile exhaust. The method comprises the steps of monitoring the automobile exhaust in real time through an infrared detecting mode, and generating corresponding electric signals according to the wavelength range and the absorbed degree of absorbed infrared rays; analyzing the type and the content of harmful gas according to the generated electric signals; marking the harmful gas according to the type of the harmful gas; judging if the exhaust is excessively discharged according to the contents of all harmful gases; if yes, judging if the harmful gas excessively discharged in the exhaust contains nitrogen dioxide according to the mark; and generating a catalytic reaction instruction when judging the harmful gas excessively discharged in the exhaust contains nitrogen dioxide according to the mark, and discharging the exhaust into a light-catalyzed reactor for nitrogen dioxide treatment through the catalytic reaction instruction. The method can effectively and timely treat the automobile exhaust excessively discharged to reduce the environmental pollution and the personal injury.
Description
Technical field
The present invention relates to automobile technical field, the nitrogen dioxide processing system in the nitrogen dioxide processing method being specifically related in a kind of vehicle exhaust and a kind of vehicle exhaust.
Background technology
The discharge of vehicle exhaust is the problem that society pays high attention to, and includes carbon monoxide (CO), nitric oxide (NO) and nitrogen dioxide (NO in the tail gas of motor vehicle emission2) in interior various harmful gass, on the one hand these gases cause environmental pollution, on the other hand also can damage the person.
Such as, the nitrogen dioxide in vehicle exhaust is that one has corrosive gas.Will there be slight eye and upper respiratory tract irritation at the suction nitrogen dioxide gas initial stage, such as pharyngeal discomfort, dry cough etc., and uncomfortable in chest, respiratory distress then can occur after incubation period a few hours, cough, cough up frothy sputum, cyanosis etc., severe one possibly even can make people faint.
Therefore, how the nitrogen dioxide in the vehicle exhaust of discharge of transfiniting is further processed, to reduce nitrogen dioxide in tail gas to the pollution of environment and personal injury, becomes a problem demanding prompt solution.
Summary of the invention
For the deficiencies in the prior art, it is an object of the invention to provide the nitrogen dioxide processing method in a kind of vehicle exhaust and system, effectively the nitrogen dioxide in the vehicle exhaust of discharge of transfiniting can be processed in time, reduce vehicle exhaust and environment is polluted and the injury of the person.
For achieving the above object, the present invention adopts the following technical scheme that
Nitrogen dioxide processing method in a kind of vehicle exhaust, comprises the steps:
By the way of infrared detection, vehicle exhaust is monitored in real time, and according to absorbed ultrared wave-length coverage and absorbed degree, generate the corresponding signal of telecommunication;
Kind and the content of harmful gas is drawn according to the signal of telecommunication analysis generated;
Each harmful gas is identified by the kind according to harmful gas;
Content according to each harmful gas judges whether tail gas is the tail gas discharged that transfinites;
The most then identify whether the harmful gas judging to transfinite in tail gas discharge contains nitrogen dioxide according to described;
If judging that the harmful gas drawing discharge of transfiniting in each tail gas contains nitrogen dioxide according to described mark, then generating catalytic reaction instruction, exhaust emissions to photo catalysis reactor will carry out nitrogen dioxide process by the instruction of this catalytic reaction.
The present invention also provides for the nitrogen dioxide processing system in a kind of vehicle exhaust, including:
Tail gas measuring module, for monitoring vehicle exhaust in real time by the way of infrared detection, and according to absorbed ultrared wave-length coverage and absorbed degree, generates the corresponding signal of telecommunication;
Signal analysis module, for drawing kind and the content of harmful gas according to the signal of telecommunication analysis generated;
Mark module, for being identified each harmful gas according to the kind of harmful gas;
According to the content of various harmful gass, first judge module, for judging whether tail gas is the tail gas discharged that transfinites;
According to described, second judge module, for when the result that described first judge module judges is as being, identifies whether the harmful gas judging to transfinite in tail gas discharge contains nitrogen dioxide;
Nitrogen dioxide processing module, for when the result that described second judge module judges is as being, generates catalytic reaction instruction, will carry out nitrogen dioxide process by the instruction of this catalytic reaction in exhaust emissions to photo catalysis reactor.
Compared with prior art, nitrogen dioxide processing method in a kind of vehicle exhaust of the present invention and system, by the way of infrared detection, kind and content to harmful gas contained in vehicle exhaust detect, and various harmful gass are identified, according to mark and content, the harmful gas of discharge beyond standards is processed respectively, nitrogen dioxide is processed by emphasis, realize processing harmful gas targetedly, can effectively improve the efficiency of vent gas treatment, it is to avoid vehicle exhaust damages to environment with to the person.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of the nitrogen dioxide processing method in embodiments of the invention in a kind of vehicle exhaust;
Fig. 2 is the schematic diagram of the nitrogen dioxide processing system in embodiments of the invention in a kind of vehicle exhaust.
Detailed description of the invention
Below, in conjunction with accompanying drawing and detailed description of the invention, the present invention is described further:
Vehicle exhaust is after depurator, and the harmful gas comprised in it will be normally at standard state, but in the case of electromotor breaks down or depurator is out of order, it is possible that the tail gas exceeded standard, the present invention is primarily directed to the after-treatment of tail gas.As it is shown in figure 1, the nitrogen dioxide processing method in a kind of vehicle exhaust described in the present embodiment, comprise the steps:
Step S101, monitors in real time to vehicle exhaust by the way of infrared detection, and according to absorbed ultrared wave-length coverage and absorbed degree, generates the corresponding signal of telecommunication.
Step S102, draws kind and the content of harmful gas according to the signal of telecommunication analysis generated.
Owing to vehicle exhaust having generally comprised the various harmful gass such as nitric oxide, Hydrocarbon, oxygen sulfur compound, oxynitride.And every kind of gas has specific characteristic absorption band and characteristic frequency in these gases, can be by strong absorption when infrared spectrum falls near characteristic frequency band when.So can detect the composition of harmful gas in tail gas by the infrared spectrum of individual features frequency, and the amount of absorbed external spectrum can detect the content of corresponding gas.
Step S103, is identified each harmful gas according to the kind of harmful gas.It is easy to different harmful gass is made a distinction by mark.
According to the content of various harmful gass, step S104, judges whether tail gas is the tail gas discharged that transfinites.Explanation tail gas the most then exists at least one harmful gas and exceedes the standard of country, now perform step S105, it is achieved according to mark, the tail gas of discharge of transfiniting is processed.Otherwise, illustrate that vehicle exhaust, without harmful gas or even with little to ignoring, now returns execution step S101 and carries out continuing monitoring.
According to described, step S105, the most then identify whether the harmful gas judging to transfinite in tail gas discharge contains nitrogen dioxide.If containing nitrogen dioxide in tail gas, then step S106 can be performed.
Step S106, if the judged result of step S105 is yes, even judge that the harmful gas drawing discharge of transfiniting in each tail gas contains nitrogen dioxide according to described mark, then generate catalytic reaction instruction, exhaust emissions to photo catalysis reactor will carry out nitrogen dioxide process by the instruction of this catalytic reaction.
Concrete, nitrogen dioxide can be absorbed by the way of having optically catalytic TiO 2 conversion zone and utilizing uviol lamp to launch ultraviolet and process by the present embodiment by tail gas, owing to the present embodiment is the after-treatment for vehicle exhaust, generally the content of the harmful substance in vehicle exhaust generally will not be the highest, so by thoroughly nitrogen dioxide being absorbed and process after light-catalyzed reaction.
In one embodiment, if in step S105, judge each tail gas to transfinite the harmful gas discharged in addition to nitrogen dioxide according to described mark, possibly together with carbon monoxide, then can generate absorption instruction, and after having processed nitrogen dioxide, exhaust emissions to the container have absorbents of carbon monoxide will carry out carbon monoxide process by this absorption instruction.
As a preferable embodiment, this absorbents of carbon monoxide can be by a kind of compositions being made up of the two-element match of the nitride being loaded with on porous inorganic carrier and its and copper chloride, and in described compositions, nitride can account for 0.5-0.8 mol ratio.Additionally, described inorganic carrier can be: porous ceramics, activated carbon or titanium oxide etc..This nitride can be: pyridine andCompositions etc..This absorbents of carbon monoxide can effectively absorb the oxidation in tail gas.
It addition, as a preferable embodiment, described the process carrying out nitrogen dioxide process in exhaust emissions to photo catalysis reactor is included:
Content according to described harmful gas determines the concentration of nitrogen dioxide in tail gas;
Current Temperatures in the real-time rotating speed obtaining automobile engine and described photo catalysis reactor;Concrete, described Current Temperatures can be got by placing a temperature sensor in photo catalysis reactor;
Calculate reference velocity according to described rotating speed, Current Temperatures and densitometer, and regulate exhaust emissions to the speed in photo catalysis reactor according to described reference velocity.
In the present embodiment, equation below can be used to calculate reference velocity:
In above formula, V is reference velocity;R is the rotating speed of automobile engine, and C is the concentration of nitrogen dioxide, and T is the Current Temperatures in photo catalysis reactor, and a is constant coefficient, between 0.15-0.37.By control exhaust emissions in photo catalysis reactor speed so that nitrogen dioxide can be absorbed in photo catalysis reactor more completely, such that it is able to be effectively improved the efficiency that nitrogen dioxide processes.Particularly, proving through substantial amounts of experimental data, when the value of a is taken as 0.2, the efficiency that nitrogen dioxide processes is up to most preferably.
With reference to Fig. 2, corresponding with the nitrogen dioxide processing method in above-mentioned vehicle exhaust, the present invention also provides for the nitrogen dioxide processing system in a kind of vehicle exhaust, including:
Tail gas measuring module 101, for monitoring vehicle exhaust in real time by the way of infrared detection, and according to absorbed ultrared wave-length coverage and absorbed degree, generates the corresponding signal of telecommunication;
Signal analysis module 102, for drawing kind and the content of harmful gas according to the signal of telecommunication analysis generated;
Mark module 103, for being identified each harmful gas according to the kind of harmful gas;
According to the content of various harmful gass, first judge module 104, for judging whether tail gas is the tail gas discharged that transfinites;
According to described, second judge module 105, for when the result that described first judge module judges is as being, identifies whether the harmful gas judging to transfinite in tail gas discharge contains nitrogen dioxide;
Nitrogen dioxide processing module 106, for when the result that described second judge module judges is as being, generates catalytic reaction instruction, will carry out nitrogen dioxide process by the instruction of this catalytic reaction in exhaust emissions to photo catalysis reactor.
As a preferable embodiment, the nitrogen dioxide processing system in a kind of vehicle exhaust of the present invention can also include:
Carbon monoxide processing module, if for according to described mark judge each tail gas transfinites the harmful gas discharged possibly together with carbon monoxide time, then generate and absorb instruction, and after having processed nitrogen dioxide, exhaust emissions to the container have absorbents of carbon monoxide will carry out carbon monoxide process by this absorption instruction.
Preferably, described nitrogen dioxide processing module may include that
Concentration calculation module, for determining the concentration of nitrogen dioxide in tail gas according to the content of described harmful gas;
Parameter acquisition module, the Current Temperatures in the rotating speed obtaining automobile engine in real time and described photo catalysis reactor;
Speed adjustment module, for calculating reference velocity according to described rotating speed, Current Temperatures and densitometer, and regulates exhaust emissions to the speed in photo catalysis reactor according to described reference velocity.By control exhaust emissions in photo catalysis reactor speed so that nitrogen dioxide can be absorbed in photo catalysis reactor more completely, such that it is able to be effectively improved the efficiency that nitrogen dioxide processes
Nitrogen dioxide processing method in other technical characteristic vehicle exhaust a kind of with the present invention of the nitrogen dioxide processing system in above-mentioned a kind of vehicle exhaust is identical, and it will not go into details herein.
In sum, nitrogen dioxide processing method and system in the vehicle exhaust of the present invention mainly carry out after-treatment to vehicle exhaust, by the way of infrared detection, kind and content to harmful gas contained in vehicle exhaust detect, and various harmful gass are identified, according to mark and content, the harmful gas of discharge beyond standards is processed respectively, nitrogen dioxide is processed by emphasis, realize processing harmful gas targetedly, can effectively improve the efficiency of vent gas treatment, it is to avoid vehicle exhaust damages to environment with to the person.
It will be apparent to those skilled in the art that can technical scheme as described above and design, make other various corresponding changes and deformation, and within all these changes and deformation all should belong to the protection domain of the claims in the present invention.
Claims (8)
1. the nitrogen dioxide processing method in a vehicle exhaust, it is characterised in that comprise the steps:
By the way of infrared detection, vehicle exhaust is monitored in real time, and according to absorbed ultrared wave-length coverage and absorbed degree, generate the corresponding signal of telecommunication;
Kind and the content of harmful gas is drawn according to the signal of telecommunication analysis generated;
Each harmful gas is identified by the kind according to harmful gas;
Content according to each harmful gas judges whether tail gas is the tail gas discharged that transfinites;
The most then identify whether the harmful gas judging to transfinite in tail gas discharge contains nitrogen dioxide according to described;
If judging that the harmful gas drawing discharge of transfiniting in each tail gas contains nitrogen dioxide according to described mark, then generating catalytic reaction instruction, exhaust emissions to photo catalysis reactor will carry out nitrogen dioxide process by the instruction of this catalytic reaction.
Nitrogen dioxide processing method in vehicle exhaust the most according to claim 1, it is characterised in that described in carry out the process of nitrogen dioxide process and include:
Nitrogen dioxide is absorbed by the way of having optically catalytic TiO 2 conversion zone and utilizing uviol lamp to launch ultraviolet by tail gas and processes.
Nitrogen dioxide processing method in vehicle exhaust the most according to claim 1, it is characterized in that, if judging each tail gas to transfinite the harmful gas discharged possibly together with carbon monoxide according to described mark, then generate and absorb instruction, and after having processed nitrogen dioxide, exhaust emissions to the container have absorbents of carbon monoxide will carry out carbon monoxide process by this absorption instruction.
Nitrogen dioxide processing method in vehicle exhaust the most according to claim 3, it is characterized in that, described absorbents of carbon monoxide is the compositions being made up of the two-element match of the nitride being loaded with on porous inorganic carrier and its and copper chloride, and in said composition, nitride accounts for 0.5-0.8 mol ratio;Described inorganic carrier includes: porous ceramics, activated carbon or titanium oxide;Described nitride be pyridine andCompositions.
5. according to the nitrogen dioxide processing method in the vehicle exhaust described in claim 1-4 any one, it is characterised in that described the process carrying out nitrogen dioxide process in exhaust emissions to photo catalysis reactor is included:
Content according to described harmful gas determines the concentration of nitrogen dioxide in tail gas;
Current Temperatures in the real-time rotating speed obtaining automobile engine and described photo catalysis reactor;
Calculate reference velocity according to described rotating speed, Current Temperatures and densitometer, and regulate exhaust emissions to the speed in photo catalysis reactor according to described reference velocity.
6. the nitrogen dioxide processing system in a vehicle exhaust, it is characterised in that including:
Tail gas measuring module, for monitoring vehicle exhaust in real time by the way of infrared detection, and according to absorbed ultrared wave-length coverage and absorbed degree, generates the corresponding signal of telecommunication;
Signal analysis module, for drawing kind and the content of harmful gas according to the signal of telecommunication analysis generated;
Mark module, for being identified each harmful gas according to the kind of harmful gas;
According to the content of various harmful gass, first judge module, for judging whether tail gas is the tail gas discharged that transfinites;
According to described, second judge module, for when the result that described first judge module judges is as being, identifies whether the harmful gas judging to transfinite in tail gas discharge contains nitrogen dioxide;
Nitrogen dioxide processing module, for when the result that described second judge module judges is as being, generates catalytic reaction instruction, will carry out nitrogen dioxide process by the instruction of this catalytic reaction in exhaust emissions to photo catalysis reactor.
Nitrogen dioxide processing system in vehicle exhaust the most according to claim 6, it is characterised in that also include:
Carbon monoxide processing module, if for according to described mark judge each tail gas transfinites the harmful gas discharged possibly together with carbon monoxide time, then generate and absorb instruction, and after having processed nitrogen dioxide, exhaust emissions to the container have absorbents of carbon monoxide will carry out carbon monoxide process by this absorption instruction.
8. according to the nitrogen dioxide processing system in the vehicle exhaust described in claim 6 or 7, it is characterised in that described nitrogen dioxide processing module includes:
Concentration calculation module, for determining the concentration of nitrogen dioxide in tail gas according to the content of described harmful gas;
Parameter acquisition module, the Current Temperatures in the rotating speed obtaining automobile engine in real time and described photo catalysis reactor;
Speed adjustment module, for calculating reference velocity according to described rotating speed, Current Temperatures and densitometer, and regulates exhaust emissions to the speed in photo catalysis reactor according to described reference velocity.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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CN201610301155.8A CN105822391A (en) | 2016-05-09 | 2016-05-09 | Treatment method and system of nitrogen dioxide in automobile exhaust |
PCT/CN2017/074900 WO2017193669A1 (en) | 2016-05-09 | 2017-02-26 | Method for treating nitrogen dioxide in automobile exhaust gas |
Applications Claiming Priority (1)
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CN201610301155.8A CN105822391A (en) | 2016-05-09 | 2016-05-09 | Treatment method and system of nitrogen dioxide in automobile exhaust |
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CN105822391A true CN105822391A (en) | 2016-08-03 |
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CN201610301155.8A Withdrawn CN105822391A (en) | 2016-05-09 | 2016-05-09 | Treatment method and system of nitrogen dioxide in automobile exhaust |
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WO (1) | WO2017193669A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017193670A1 (en) * | 2016-05-09 | 2017-11-16 | 崔翠翠 | Method for treating nitrogen dioxide in automobile exhaust gas |
WO2017193669A1 (en) * | 2016-05-09 | 2017-11-16 | 崔翠翠 | Method for treating nitrogen dioxide in automobile exhaust gas |
WO2017193668A1 (en) * | 2016-05-09 | 2017-11-16 | 崔翠翠 | Method and system for treating nitrogen dioxide in exhaust gas |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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GB0104682D0 (en) * | 2001-02-26 | 2001-04-11 | Johnson Matthey Plc | Gas treatment using ammonia |
JP4227991B2 (en) * | 2005-12-28 | 2009-02-18 | トヨタ自動車株式会社 | Exhaust gas analyzer and exhaust gas analysis method |
CN102434253B (en) * | 2011-09-29 | 2014-04-16 | 华北电力大学 | Tertiary treatment device of automobile exhaust and separation method thereof |
CN104863669B (en) * | 2015-06-04 | 2016-04-20 | 盐城工学院 | Vehicle exhaust filtration treatment device |
CN105927339A (en) * | 2016-05-09 | 2016-09-07 | 饶川辉 | Method and system for processing nitric oxide in tail gas |
CN105822391A (en) * | 2016-05-09 | 2016-08-03 | 饶川辉 | Treatment method and system of nitrogen dioxide in automobile exhaust |
CN105781693A (en) * | 2016-05-09 | 2016-07-20 | 饶川辉 | Method and system for treating nitric oxide in automobile exhaust |
-
2016
- 2016-05-09 CN CN201610301155.8A patent/CN105822391A/en not_active Withdrawn
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2017
- 2017-02-26 WO PCT/CN2017/074900 patent/WO2017193669A1/en active Application Filing
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017193670A1 (en) * | 2016-05-09 | 2017-11-16 | 崔翠翠 | Method for treating nitrogen dioxide in automobile exhaust gas |
WO2017193669A1 (en) * | 2016-05-09 | 2017-11-16 | 崔翠翠 | Method for treating nitrogen dioxide in automobile exhaust gas |
WO2017193668A1 (en) * | 2016-05-09 | 2017-11-16 | 崔翠翠 | Method and system for treating nitrogen dioxide in exhaust gas |
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