CN105840285A - Method and system for treating nitrogen dioxide in automobile tail gas - Google Patents

Method and system for treating nitrogen dioxide in automobile tail gas Download PDF

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Publication number
CN105840285A
CN105840285A CN201610300205.0A CN201610300205A CN105840285A CN 105840285 A CN105840285 A CN 105840285A CN 201610300205 A CN201610300205 A CN 201610300205A CN 105840285 A CN105840285 A CN 105840285A
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Prior art keywords
nitrogen dioxide
tail gas
exhaust
vehicle exhaust
harmful gas
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CN201610300205.0A
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Chinese (zh)
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饶川辉
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Individual
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Priority to CN201610300205.0A priority Critical patent/CN105840285A/en
Publication of CN105840285A publication Critical patent/CN105840285A/en
Priority to PCT/CN2017/074901 priority patent/WO2017193670A1/en
Withdrawn legal-status Critical Current

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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
    • F01N3/08—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
    • 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
    • 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
    • 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
    • F01N3/0807—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents
    • F01N3/0828—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by using absorbents or adsorbents characterised by the absorbed or adsorbed substances
    • F01N3/0842—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
    • 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
    • F01N3/28—Construction of catalytic 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
    • F01N2370/00—Selection of materials for exhaust purification
    • F01N2370/22—Selection of materials for exhaust purification used in non-catalytic purification 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
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
    • 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

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  • 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)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Exhaust Gas After Treatment (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

The invention relates to a method and system for treating nitrogen dioxide in automobile tail gas. The method comprises the following steps: performing real-time monitoring on automobile tail gas by way of infrared ray detection and generating a corresponding electric signal according to the wavelength range and absorbed degree of absorbed infrared rays; analyzing the types of harmful gas according to the generated electric signal and identifying the harmful gas according to the types of the harmful gas; and determining whether the harmful gas in the tail gas contains nitrogen dioxide or not according to the identifiers, if so, generating a catalytic reaction command, and discharging the tail gas to a photocatalytic reactor through the catalytic reaction command for treating nitrogen dioxide. The method and system provided by the invention can effectively treat nitrogen dioxide in the automobile tail gas immediately, so that the environmental pollution and personal injury are alleviated.

Description

Process the method and system of nitrogen dioxide in vehicle exhaust
Technical field
The present invention relates to automobile technical field, be specifically related to titanium dioxide in a kind of process vehicle exhaust The method of nitrogen and a kind of process the system of nitrogen dioxide in vehicle exhaust.
Background technology
The discharge of vehicle exhaust is the problem that society pays high attention to, and comprises in the tail gas of motor vehicle emission There are carbon monoxide (CO), nitric oxide (NO) and nitrogen dioxide (NO2) interior Various harmful gass, on the one hand these gases cause environmental pollution, on the other hand also can be to people Body damages.
Such as, the nitrogen dioxide in vehicle exhaust is that one has corrosive gas.Suck two Will there be slight eye and upper respiratory tract irritation at the nitrogen oxide gas initial stage, 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 vehicle exhaust is further processed, to reduce tail Nitrogen dioxide in gas, to the pollution of environment and personal injury, becomes urgently to be resolved hurrily asking Topic.
Summary of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of process vehicle exhaust The method and system of middle nitrogen dioxide, it is possible to effectively the nitrogen dioxide in vehicle exhaust is carried out Process 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
A kind of process the method for nitrogen dioxide in vehicle exhaust, comprise the steps:
By the way of infrared detection, vehicle exhaust is monitored in real time, and according to being absorbed Ultrared wave-length coverage and absorbed degree, generate the corresponding signal of telecommunication；
The kind of harmful gas is drawn according to the signal of telecommunication analysis generated, and according to harmful gas Each harmful gas is identified by kind；
Judge whether the harmful gas in tail gas contains nitrogen dioxide according to described mark；
The most then generate catalytic reaction instruction, instructed by exhaust emissions extremely by this catalytic reaction Photo catalysis reactor carries out nitrogen dioxide process.
The present invention also provides for a kind of processing the system of nitrogen dioxide in vehicle exhaust, including:
Tail gas measuring module, for carrying out vehicle exhaust by the way of infrared detection in real time Monitoring, and according to absorbed ultrared wave-length coverage and absorbed degree, generate corresponding The signal of telecommunication；
Mark module, for drawing the kind of harmful gas according to the signal of telecommunication analysis generated, and Each harmful gas is identified by the kind according to harmful gas；
According to described mark, judge module, for judging whether the harmful gas in tail gas contains two Nitrogen oxide；
Nitrogen dioxide processing module, for when the judged result of described judge module is for being, raw Become catalytic reaction instruction, instructed in exhaust emissions to photo catalysis reactor by this catalytic reaction Carry out nitrogen dioxide process.
Compared with prior art, a kind of of the present invention processes the method for nitrogen dioxide in vehicle exhaust And system, kind to harmful gas contained in vehicle exhaust by the way of infrared detection Class detects, and is identified various harmful gass, according to mark, harmful gas is special It is that nitrogen dioxide is processed, it is achieved that the nitrogen dioxide in vehicle exhaust is located in time Reason, can effectively improve the efficiency of vent gas treatment, it is to avoid vehicle exhaust to environment and The person is damaged.
Accompanying drawing explanation
Fig. 1 is a kind of in embodiments of the invention to process the method for nitrogen dioxide in vehicle exhaust Schematic flow sheet；
Fig. 2 is a kind of in embodiments of the invention to process the system of nitrogen dioxide in vehicle exhaust Schematic diagram.
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, may go out The tail gas now exceeded standard, the present invention is primarily directed to the after-treatment of tail gas.As it is shown in figure 1, this A kind of described in embodiment processes the method for nitrogen dioxide in vehicle exhaust, comprises 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, generate corresponding telecommunications Number.
Step S102, draws the kind of harmful gas, and root according to the signal of telecommunication analysis generated According to the kind of harmful gas, each harmful gas is identified, in order to different harmful gass Make a distinction.
Due to vehicle exhaust has generally comprised nitric oxide, Hydrocarbon, oxygen sulfur compound, The various harmful gas such as oxynitride.And every kind of gas has specific feature in these gases Absorption band and characteristic frequency, can be by by force when infrared spectrum falls near characteristic frequency band when Strong absorption.So harmful gas in tail gas can be detected by the infrared spectrum of individual features frequency The composition of body.
According to described mark, step S103, judges whether the harmful gas in tail gas contains dioxy Change nitrogen.If containing nitrogen dioxide in tail gas, then step S104 can be performed.
Step S104, if the judged result of step S103 is yes, even sentences according to described mark Break and show that the harmful gas in each tail gas contains nitrogen dioxide, then generate catalytic reaction instruction, logical Cross the instruction of this catalytic reaction and exhaust emissions to photo catalysis reactor will carry out nitrogen dioxide process.
Concrete, can be by tail gas by having optically catalytic TiO 2 conversion zone in the present embodiment And nitrogen dioxide is absorbed and processes by the mode utilizing uviol lamp to launch ultraviolet, due to The present embodiment is the after-treatment for vehicle exhaust, the harmful substance in usual vehicle exhaust Content generally will not be the highest, so by can thoroughly nitrogen dioxide be inhaled after light-catalyzed reaction Receive and process.
As preferred embodiment, walk in the kind drawing harmful gas according to this signal of telecommunication analysis Before Zhou, it is also possible to comprise the steps: to be filtered and processing and amplifying this signal of telecommunication successively. Specifically can by filter circuit and amplifying circuit, the signal of telecommunication be filtered and processing and amplifying respectively. By the signal of telecommunication is filtered and after processing and amplifying, can effectively improve electrical signal detection Accuracy.
In one embodiment, if in step S103, judge in each tail gas according to described mark Harmful gas in addition to nitrogen dioxide, possibly together with carbon monoxide, then can generate absorption and refer to Order, and after having processed nitrogen dioxide, by this absorption instruction by exhaust emissions to having an oxygen Change in the container of absorbent carbon and carry out carbon monoxide process.
As a preferable embodiment, this absorbents of carbon monoxide can be a kind of by porous, inorganic The compositions that the two-element match of carrier and the nitride being loaded with on it and copper chloride is constituted, and In described compositions, nitride can account for 0.47-0.82 mol ratio.Additionally, described inorganic carrier Can be: porous ceramics, activated carbon or titanium oxide etc..This nitride can be: pyridine andCompositions etc..This carbon monoxide absorbs Agent can effectively absorb the oxidation in tail gas.
It addition, as a preferable embodiment, described by exhaust emissions to photo catalysis reactor In carry out the process of nitrogen dioxide process and include:
Obtain infrared light intensity obtained after infrared ray passes tail gas, and according to described infrared light The concentration of nitrogen dioxide in Strength co-mputation tail gas；
In real time obtain the exhaust pressure value in automobile engine exhaust pipe exit, automobile engine Current Temperatures in rotating speed and described photo catalysis reactor；
Reference velocity is calculated according to described concentration, exhaust pressure value, rotating speed and Current Temperatures, 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:
V = r * C * P a * T ;
In above formula, V is reference velocity；R is the rotating speed of automobile engine, and C is nitrogen dioxide Concentration, T is the Current Temperatures in photo catalysis reactor, and P is that automobile engine exhaust pipe goes out Exhaust pressure value at Kou, a is constant coefficient, between 0.15-0.39.By controlling tail What gas was discharged in photo catalysis reactor speed so that nitrogen dioxide can be in light-catalyzed reaction Device is absorbed more completely, such that it is able to be effectively improved the efficiency that nitrogen dioxide processes.Especially , prove through substantial amounts of experimental data, when the value of a is taken as 0.25, at nitrogen dioxide The efficiency of reason is up to most preferably.
As preferred embodiment, after carrying out nitrogen dioxide process, it is also possible to include as follows Step:
The most processed vehicle exhaust is collected, and carries out being forced into two in tail gas Carbonoxide and nitrogen separate；
Nitrogen discharge after separating is gone out, and stores the carbon dioxide separated.
In the present embodiment, the density due to nitrogen is less than carbon dioxide, through being forced into certain limit To float on carbon dioxide supreme for nitrogen afterwards.Have in the container of opening thus by a upper end and carry out Pressurized treatments, when the pressure in container is enough by carbon dioxide and nitrogen separation, opens upper end Mouth is opened and is gone out by nitrogen discharge, such that it is able to collect carbon dioxide.Although CO2 emission Environmental pollution can be caused in atmosphere, but it may be used for industrial and agricultural production, so can have Effect carries out Appropriate application to carbon dioxide, it is to avoid pollute environment.
With reference to Fig. 2, corresponding with the method for nitrogen dioxide in above-mentioned process vehicle exhaust, this Bright also providing for a kind of processes the system of nitrogen dioxide in vehicle exhaust, including:
Tail gas measuring module 101, for carrying out vehicle exhaust by the way of infrared detection Monitoring in real time, and according to absorbed ultrared wave-length coverage and absorbed degree, generate The corresponding signal of telecommunication；
Mark module 102, for drawing the kind of harmful gas according to the signal of telecommunication analysis generated, And according to the kind of harmful gas, each harmful gas is identified；
According to described mark, judge module 103, for judging whether the harmful gas in tail gas contains There is nitrogen dioxide；
Nitrogen dioxide processing module 104, for the judged result at described judge module 103 be When being, generate catalytic reaction instruction, by the instruction of this catalytic reaction by exhaust emissions to photocatalysis Reactor carries out nitrogen dioxide process.
As a preferable embodiment, a kind of of the present invention processes nitrogen dioxide in vehicle exhaust System can also include:
Carbon monoxide processing module, if for judging the harmful gas in each tail gas according to described mark When body is possibly together with carbon monoxide, then generates and absorb instruction, and after having processed nitrogen dioxide, logical Cross this absorption instruction and exhaust emissions to the container have absorbents of carbon monoxide will carry out an oxygen Change carbon to process.
Preferably, described nitrogen dioxide processing module 104 may include that
Concentration calculation module, for obtaining the infrared light intensity obtained by infrared ray passes after tail gas Degree, and according to the concentration of nitrogen dioxide in described infrared light Strength co-mputation tail gas；
Parameter acquisition module, obtains the pressure at expulsion in automobile engine exhaust pipe exit in real time Current Temperatures in value, the rotating speed of automobile engine and described photo catalysis reactor；
Speed adjustment module, for according to described concentration, exhaust pressure value, rotating speed and current Thermometer calculates reference velocity, and regulates exhaust emissions to photocatalysis according to described reference velocity Speed in reactor.By control exhaust emissions in photo catalysis reactor speed, make Obtain nitrogen dioxide to be absorbed more completely in photo catalysis reactor, such that it is able to effectively carry The efficiency that high nitrogen dioxide processes
Above-mentioned a kind of process in vehicle exhaust other technical characteristic of the system of nitrogen dioxide and this Inventing that a kind of to process the method for nitrogen dioxide in vehicle exhaust identical, it will not go into details herein.
By above scheme it can be seen that the embodiment of the present invention a kind of processes in vehicle exhaust two The method and system of nitrogen oxide, to contained in vehicle exhaust by the way of infrared detection The kind of harmful gas detects, and is identified various harmful gass, will according to mark Nitrogen dioxide is particularly processed by harmful gas, it is achieved that to the titanium dioxide in vehicle exhaust Nitrogen processes in time, can effectively improve the efficiency of vent gas treatment, it is to avoid vehicle exhaust is to ring Border pollutes and damages the person.
It will be apparent to those skilled in the art that can technical scheme as described above and structure Think, make other various corresponding changes and deformation, and all these changes and deformation Within all should belonging to the protection domain of the claims in the present invention.

Claims (10)

1. one kind processes the method for nitrogen dioxide in vehicle exhaust, it is characterised in that include as Lower step:
By the way of infrared detection, vehicle exhaust is monitored in real time, and according to being absorbed Ultrared wave-length coverage and absorbed degree, generate the corresponding signal of telecommunication；
The kind of harmful gas is drawn according to the signal of telecommunication analysis generated, and according to harmful gas Each harmful gas is identified by kind；
Judge whether the harmful gas in tail gas contains nitrogen dioxide according to described mark；
The most then generate catalytic reaction instruction, instructed by exhaust emissions extremely by this catalytic reaction Photo catalysis reactor carries out nitrogen dioxide process.
The method of nitrogen dioxide in process vehicle exhaust the most according to claim 1, its Be characterised by, described in carry out the process of nitrogen dioxide process and include:
By tail gas by there is optically catalytic TiO 2 conversion zone and utilizing uviol lamp to launch ultraviolet Nitrogen dioxide is absorbed and processes by the mode of line.
The method of nitrogen dioxide in process vehicle exhaust the most according to claim 1, its It is characterised by, if judging that the harmful gas in each tail gas is possibly together with an oxidation according to described mark Carbon, then generate and absorb instruction, and after having processed nitrogen dioxide, is instructed tail by this absorption Gas is emitted into have in the container of absorbents of carbon monoxide and carries out carbon monoxide process.
The method of nitrogen dioxide in process vehicle exhaust the most according to claim 3, its Being characterised by, described absorbents of carbon monoxide is by by the nitrogen being loaded with on porous inorganic carrier and its The compositions that the two-element match of compound and copper chloride is constituted, and in said composition, nitride accounts for 0.47-0.82 mol ratio；Described inorganic carrier includes: porous ceramics, activated carbon or titanium oxide； Described nitride be pyridine andCombination Thing.
The method of nitrogen dioxide in process vehicle exhaust the most according to claim 1, its It is characterised by, before draw the kind step of harmful gas according to this signal of telecommunication analysis, also wraps Include and this signal of telecommunication is filtered successively and the step of processing and amplifying.
6. according to nitrogen dioxide in the process vehicle exhaust described in claim 1-5 any one Method, it is characterised in that described exhaust emissions to photo catalysis reactor will carry out titanium dioxide The process that nitrogen processes includes:
Obtain infrared light intensity obtained after infrared ray passes tail gas, and according to described infrared light The concentration of nitrogen dioxide in Strength co-mputation tail gas；
In real time obtain the exhaust pressure value in automobile engine exhaust pipe exit, automobile engine Current Temperatures in rotating speed and described photo catalysis reactor；
Reference velocity is calculated according to described concentration, exhaust pressure value, rotating speed and Current Temperatures, And regulate exhaust emissions to the speed in photo catalysis reactor according to described reference velocity.
The method of nitrogen dioxide in process vehicle exhaust the most according to claim 1, its It is characterised by, after carrying out nitrogen dioxide process, also includes:
The most processed vehicle exhaust is collected, and carries out being forced into two in tail gas Carbonoxide and nitrogen separate；
Nitrogen discharge after separating is gone out, and stores the carbon dioxide separated.
8. one kind processes the system of nitrogen dioxide in vehicle exhaust, it is characterised in that including:
Tail gas measuring module, for carrying out vehicle exhaust by the way of infrared detection in real time Monitoring, and according to absorbed ultrared wave-length coverage and absorbed degree, generate corresponding The signal of telecommunication；
Mark module, for drawing the kind of harmful gas according to the signal of telecommunication analysis generated, and Each harmful gas is identified by the kind according to harmful gas；
According to described mark, judge module, for judging whether the harmful gas in tail gas contains two Nitrogen oxide；
Nitrogen dioxide processing module, for when the judged result of described judge module is for being, raw Become catalytic reaction instruction, instructed in exhaust emissions to photo catalysis reactor by this catalytic reaction Carry out nitrogen dioxide process.
The system of nitrogen dioxide in process vehicle exhaust the most according to claim 8, its It is characterised by, also includes:
Carbon monoxide processing module, if for judging the harmful gas in each tail gas according to described mark When body is possibly together with carbon monoxide, then generates and absorb instruction, and after having processed nitrogen dioxide, logical Cross this absorption instruction and exhaust emissions to the container have absorbents of carbon monoxide will carry out an oxygen Change carbon to process.
The system of nitrogen dioxide in process vehicle exhaust the most according to claim 8 or claim 9, It is characterized in that, described nitrogen dioxide processing module includes:
Concentration calculation module, for obtaining the infrared light intensity obtained by infrared ray passes after tail gas Degree, and according to the concentration of nitrogen dioxide in described infrared light Strength co-mputation tail gas；
Parameter acquisition module, for the exhaust pressure in acquisition automobile engine exhaust pipe exit in real time Current Temperatures in force value, the rotating speed of automobile engine and described photo catalysis reactor；
Speed adjustment module, for according to described concentration, exhaust pressure value, rotating speed and current Thermometer calculates reference velocity, and regulates exhaust emissions to photocatalysis according to described reference velocity Speed in reactor.
CN201610300205.0A 2016-05-09 2016-05-09 Method and system for treating nitrogen dioxide in automobile tail gas Withdrawn CN105840285A (en)

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CN201610300205.0A CN105840285A (en) 2016-05-09 2016-05-09 Method and system for treating nitrogen dioxide in automobile tail gas
PCT/CN2017/074901 WO2017193670A1 (en) 2016-05-09 2017-02-26 Method for treating nitrogen dioxide in automobile exhaust gas

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Application Number Priority Date Filing Date Title
CN201610300205.0A CN105840285A (en) 2016-05-09 2016-05-09 Method and system for treating nitrogen dioxide in automobile tail gas

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Cited By (2)

* Cited by examiner, † Cited by third party
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
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0792684A3 (en) * 1996-02-29 1997-11-12 Mitsubishi Gas Chemical Company, Inc. Novel adsorbent for carbon monoxide and 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
CN102619598A (en) * 2012-04-06 2012-08-01 杨德利 Method and device for oxidatively decomposing pollutants in exhaust gases emitted by internal combustion engine with intervention of ultraviolet light
CN202823135U (en) * 2012-10-25 2013-03-27 无锡天惠塑机有限公司 High-efficiency waste gas purification and recovery control system
CN104707475B (en) * 2015-04-03 2016-08-24 中南大学 A kind of flue gas processing method of low temperature photocatalysis automatic oxidation reduction simultaneous SO_2 and NO removal
CN105840285A (en) * 2016-05-09 2016-08-10 饶川辉 Method and system for treating nitrogen dioxide in automobile tail gas
CN105822391A (en) * 2016-05-09 2016-08-03 饶川辉 Treatment method and system of nitrogen dioxide in automobile exhaust

Cited By (2)

* Cited by examiner, † Cited by third party
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
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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