CN105822390A - Vehicle exhaust treatment method and system - Google Patents

Vehicle exhaust treatment method and system Download PDF

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Publication number
CN105822390A
CN105822390A CN201610300188.0A CN201610300188A CN105822390A CN 105822390 A CN105822390 A CN 105822390A CN 201610300188 A CN201610300188 A CN 201610300188A CN 105822390 A CN105822390 A CN 105822390A
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China
Prior art keywords
tail gas
nitric oxide
exhaust
gas
harmful
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CN201610300188.0A
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Chinese (zh)
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黄安武
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Individual
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Individual
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Priority to CN201610300188.0A priority Critical patent/CN105822390A/en
Publication of CN105822390A publication Critical patent/CN105822390A/en
Priority to PCT/CN2017/075882 priority patent/WO2017193682A1/en
Withdrawn legal-status Critical Current

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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

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  • 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)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
  • Catalysts (AREA)
  • Treating Waste Gases (AREA)

Abstract

The invention relates to a vehicle exhaust treatment method and system. The method includes the following steps that real-time monitoring is carried out on exhaust at an outlet of a vehicle exhaust purifier, the exhaust is analyzed, and the types and the contents of various kinds of harmful gas in the exhaust are obtained; according to the type of the harmful gas, the various kinds of harmful gas are identified; according to the content of the various kinds of harmful gas, whether the exhaust is exhaust discharged in an ultralimit manner or not is judged; if the exhaust is the exhaust discharged in the ultralimit manner, whether the exhaust discharged in the ultralimit manner only contains nitric oxide or not is judged according to identifications; and if it is judged that the exhaust discharged in the ultralimit manner only contains nitric oxide according to the identification, a catalytic reaction command is generated, and the exhaust is discharged to a catalytic reactor through the catalytic reaction command to be treated. By means of the vehicle exhaust treatment method and system, the vehicle exhaust discharged in the ultralimit manner can be effectively treated in time, and environmental pollution and personal injuries are reduced.

Description

Vehicle maintenance service method and system
Technical field
The present invention relates to automobile technical field, be specifically related to a kind of vehicle maintenance service method and a kind of vehicle maintenance service system.
Background technology
The discharge of vehicle exhaust is the problem that society pays high attention to, the tail gas of motor vehicle emission includes carbon monoxide (CO), nitric oxide (NO) 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; nitric oxide in vehicle exhaust is a kind of colorless and odorless, is insoluble in the toxic gas of water; owing to nitric oxide is with free radical; this makes its chemical property the most active; once as in motor vehicle exhaust emission to air with oxygen reaction after, will be formed and there is corrosive gas nitrogen dioxide.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, the harmful gas how vehicle exhaust to discharge of transfiniting is further processed to reduce in tail gas, to the pollution level 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 a kind of vehicle maintenance service method and system, it is possible to effectively the nitric oxide in the tail gas of discharge of transfiniting is processed in time, reduce tail gas 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 vehicle maintenance service method, comprises the steps:
The tail gas of automobile exhaust purifier outlet is monitored in real time, and tail gas is analyzed obtaining kind and the content of various harmful gass in tail gas；
Each harmful gas is identified by the kind according to harmful gas；
Content according to various harmful gass 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 comprises only nitric oxide according to described；
If comprising only nitric oxide according to the described harmful gas judging to transfinite in tail gas discharge that identifies, then generate catalytic reaction instruction, will exhaust emissions to photo catalysis reactor be processed by the instruction of this catalytic reaction.
The present invention also provides for a kind of vehicle maintenance service system, including:
Detection module, for monitoring the tail gas of automobile exhaust purifier outlet in real time, and is analyzed obtaining kind and the content of various harmful gass in tail gas to tail gas；
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 judged result of described first judge module is for being, identifies whether the harmful gas judging to transfinite in tail gas discharge comprises only nitric oxide；
Nitric oxide processing module, for when the judged result of described second judge module is for being, generates catalytic reaction instruction, will carry out nitric oxide process by the instruction of this catalytic reaction in exhaust emissions to photo catalysis reactor.
Compared with prior art, a kind of vehicle maintenance service method and system of the present invention, by the kind of harmful gas contained in vehicle exhaust and content are detected, and various harmful gass are identified, the harmful gas of discharge beyond standards being processed respectively according to mark and content, nitric oxide is processed by emphasis, it is achieved process 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 a kind of vehicle maintenance service method in embodiments of the invention；
Fig. 2 is the schematic diagram of a kind of vehicle maintenance service system in embodiments of the invention.
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, a kind of vehicle maintenance service method described in the present embodiment, comprise the steps:
Step S101, monitors in real time to the tail gas of automobile exhaust purifier outlet, and tail gas is analyzed obtaining kind and the content of various harmful gass in tail gas.Tail gas is carried out the available multiple detectors of detection by this step.Each detector can detect kind and the content comprising harmful gas in tail gas respectively.This detector at least includes a kind of for detecting the detector of content of nitric oxide in tail gas.
Step S102, is identified each harmful gas according to the kind of harmful gas.According to the result that different detectors detects, harmful gas can be identified.
According to the content of various harmful gass, step S103, 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 S104, 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 S104, the most then identify whether the harmful gas judging to transfinite in tail gas discharge comprises only nitric oxide.The most then in explanation tail gas in addition to content of nitric oxide is higher, other harmful gass, all in critical field, now can perform step S105.
Step S105, if the judged result of step S104 is yes, i.e. comprise only nitric oxide according to the described harmful gas judging to transfinite in tail gas discharge that identifies, then generate catalytic reaction instruction, will exhaust emissions to photo catalysis reactor be processed by the instruction of this catalytic reaction.
Concrete, can be by tail gas by there is optically catalytic TiO 2 conversion zone and utilizing uviol lamp by the way of launching ultraviolet, nitric oxide to be absorbed in the present embodiment, owing to the present embodiment is the after-treatment for vehicle exhaust, the generally content of the harmful substance in vehicle exhaust is the most relatively low, so by can thoroughly nitric oxide be absorbed after light-catalyzed reaction.
As preferred embodiment, the described tail gas to automobile exhaust purifier outlet monitors in real time, and tail gas is analyzed obtaining the kind of various harmful gass and the process of content in tail gas may include steps of:
By the way of infrared detection, tail gas is monitored in real time；
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 this signal of telecommunication analysis.
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.
As preferred embodiment, before draw kind and the content step of harmful gas according to this signal of telecommunication analysis, 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 the accuracy of electrical signal detection.
In one embodiment, if in step S105, judge tail gas to transfinite the harmful gas discharged possibly together with carbon monoxide according to described mark, then can generate absorption instruction, and after having processed nitric oxide, 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 0.4-0.8 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 carbon monoxide in tail gas.
It addition, as a preferable embodiment, described the process carrying out nitric oxide process in exhaust emissions to photo catalysis reactor specifically be may include that
Obtain infrared light intensity obtained after infrared ray passes tail gas, and according to nitric oxide production concentration in described infrared light Strength co-mputation tail gas；The embodiment of the present invention have employed the mode of infrared detection to calculate nitric oxide production concentration；
Current Temperatures in the real-time rotating speed obtaining automobile engine and described photo catalysis reactor；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:
V N O = r * C a * T ;
In above formula, VNOFor reference velocity；R is the rotating speed of automobile engine, and C is nitric oxide production concentration, and T is the Current Temperatures in photo catalysis reactor, and a is constant conversion coefficient, between 0.1-0.3.By control exhaust emissions in photo catalysis reactor speed so that nitric oxide can be absorbed in photo catalysis reactor more completely, such that it is able to be effectively improved the efficiency that nitric oxide processes.Particularly, proving through substantial amounts of experimental data, when the value of a is taken as 0.25, the efficiency that nitric oxide processes is optimal.
As preferred embodiment, after tail gas being processed according to described mark, it is also possible to comprise the steps:
The most processed vehicle exhaust is collected, and carries out being forced into the carbon dioxide in tail gas and nitrogen are separated；
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, and to float on carbon dioxide supreme for nitrogen after be forced into certain limit.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, upper end open is opened nitrogen discharge is gone out, such that it is able to collect carbon dioxide.Although CO2 emission can cause environmental pollution in atmosphere, but it may be used for industrial and agricultural production, so effectively carbon dioxide can be carried out Appropriate application, it is to avoid pollutes environment.
With reference to Fig. 2, corresponding with above-mentioned vehicle maintenance service method, the present invention also provides for a kind of vehicle maintenance service system, including:
Detection module 101, for monitoring the tail gas of automobile exhaust purifier outlet in real time, and is analyzed obtaining kind and the content of various harmful gass in tail gas to tail gas；
Mark module 102, for being identified each harmful gas according to the kind of harmful gas；
According to the content of various harmful gass, first judge module 103, for judging whether tail gas is the tail gas discharged that transfinites；
According to described, second judge module 104, for when the judged result of described first judge module 103 is for being, identifies whether the harmful gas judging to transfinite in tail gas discharge comprises only nitric oxide；
Nitric oxide processing module 105, for when the judged result of described second judge module 104 is for being, generates catalytic reaction instruction, will carry out nitric oxide process by the instruction of this catalytic reaction in exhaust emissions to photo catalysis reactor.
As a preferable embodiment, a kind of vehicle maintenance service system of the present invention can also include:
Carbon monoxide processing module, if for according to described mark judge tail gas transfinites the harmful gas discharged possibly together with carbon monoxide time, then generate and absorb instruction, and after having processed nitric oxide, exhaust emissions to the container have absorbents of carbon monoxide will carry out carbon monoxide process by this absorption instruction.
Preferably, described nitric oxide processing module may include that
Concentration calculation module, for obtaining the infrared light intensity obtained by infrared ray passes after tail gas, and according to nitric oxide production concentration in described infrared light Strength co-mputation tail gas；
Parameter acquisition module, the Current Temperatures in the rotating speed obtaining automobile engine in real time and described photo catalysis reactor；
Rate control 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.
Other technical characteristic of above-mentioned a kind of vehicle maintenance service system is identical with one vehicle maintenance service method of the present invention, and it will not go into details herein.
In sum, the vehicle maintenance service method and system of the present invention mainly carry out after-treatment to vehicle exhaust, by the kind of harmful gas contained in vehicle exhaust and content are detected, and various harmful gass are identified, according to mark and content, the harmful gas of discharge beyond standards particularly nitric oxide is processed, thus realize processing harmful gas targetedly, can effectively improve the efficiency of vent gas treatment, it is to avoid due to tail gas pollution on the environment and injury that the person is caused when auto parts break down.
It should be noted that in various embodiments of the present invention automobile exhaust purifier can be all prior art.
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 (10)

1. a vehicle maintenance service method, it is characterised in that comprise the steps:
The tail gas of automobile exhaust purifier outlet is monitored in real time, and tail gas is analyzed obtaining kind and the content of various harmful gass in tail gas；
Each harmful gas is identified by the kind according to harmful gas；
Content according to various harmful gass 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 comprises only nitric oxide according to described；
If comprising only nitric oxide according to the described harmful gas judging to transfinite in tail gas discharge that identifies, then generate catalytic reaction instruction, exhaust emissions to photo catalysis reactor will carry out nitric oxide process by the instruction of this catalytic reaction.
Vehicle maintenance service method the most according to claim 1, it is characterized in that, if judging 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 nitric oxide, exhaust emissions to the container have absorbents of carbon monoxide will carry out carbon monoxide process by this absorption instruction.
Vehicle maintenance service method the most according to claim 2, 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 0.4-0.8 mol ratio；Described inorganic carrier includes: porous ceramics, activated carbon or titanium oxide；Described nitride be pyridine andCompositions.
Vehicle maintenance service method the most according to claim 1, it is characterised in that the described tail gas to automobile exhaust purifier outlet monitors in real time, and tail gas is analyzed obtaining the kind of various harmful gass and the process of content in tail gas includes:
By the way of infrared detection, tail gas is monitored in real time；
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 this signal of telecommunication analysis.
Vehicle maintenance service method the most according to claim 4, it is characterised in that before draw kind and the content step of harmful gas according to this signal of telecommunication analysis, also includes being filtered successively by this signal of telecommunication and the step of processing and amplifying.
Vehicle maintenance service method the most according to claim 1, it is characterised in that described the process carrying out nitric oxide process in exhaust emissions to photo catalysis reactor is included:
Obtain infrared light intensity obtained after infrared ray passes tail gas, and according to nitric oxide production concentration in described infrared light Strength co-mputation 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.
Vehicle maintenance service method the most according to claim 1, it is characterised in that after tail gas is processed, also include:
The most processed vehicle exhaust is collected, and carries out being forced into the carbon dioxide in tail gas and nitrogen are separated；
Nitrogen discharge after separating is gone out, and stores the carbon dioxide separated.
8. a vehicle maintenance service system, it is characterised in that including:
Detection module, for monitoring the tail gas of automobile exhaust purifier outlet in real time, and is analyzed obtaining kind and the content of various harmful gass in tail gas to tail gas；
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 judged result of described first judge module is for being, identifies whether the harmful gas judging to transfinite in tail gas discharge comprises only nitric oxide；
Nitric oxide processing module, for when the judged result of described second judge module is for being, generates catalytic reaction instruction, will carry out nitric oxide process by the instruction of this catalytic reaction in exhaust emissions to photo catalysis reactor.
Vehicle maintenance service system the most according to claim 8, it is characterised in that also include:
Carbon monoxide processing module, if for according to described mark judge tail gas transfinites the harmful gas discharged possibly together with carbon monoxide time, then generate and absorb instruction, and after having processed nitric oxide, exhaust emissions to the container have absorbents of carbon monoxide will carry out carbon monoxide process by this absorption instruction.
Vehicle maintenance service system the most according to claim 8 or claim 9, it is characterised in that described nitric oxide processing module includes:
Concentration calculation module, for obtaining the infrared light intensity obtained by infrared ray passes after tail gas, and according to nitric oxide production concentration in described infrared light Strength co-mputation tail gas；
Parameter acquisition module, the Current Temperatures in the rotating speed obtaining automobile engine in real time and described photo catalysis reactor；
Rate control 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.
CN201610300188.0A 2016-05-09 2016-05-09 Vehicle exhaust treatment method and system Withdrawn CN105822390A (en)

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PCT/CN2017/075882 WO2017193682A1 (en) 2016-05-09 2017-03-07 Automobile exhaust gas treatment method

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Publication number Priority date Publication date Assignee Title
WO2017193682A1 (en) * 2016-05-09 2017-11-16 黄方元 Automobile exhaust gas treatment method
CN114618582A (en) * 2020-12-11 2022-06-14 云南聚杰环保科技有限公司 Efficient autocatalysis motor vehicle tail gas purifying liquid
CN112630383A (en) * 2020-12-17 2021-04-09 广东天琴信息技术有限公司 Method and device for detecting tail gas emission of motor vehicle

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Application publication date: 20160803