CN105484838A - Automobile cold start waste gas treatment device and method - Google Patents
Automobile cold start waste gas treatment device and method Download PDFInfo
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- CN105484838A CN105484838A CN201610031074.0A CN201610031074A CN105484838A CN 105484838 A CN105484838 A CN 105484838A CN 201610031074 A CN201610031074 A CN 201610031074A CN 105484838 A CN105484838 A CN 105484838A
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- 239000002912 waste gas Substances 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000007789 gas Substances 0.000 claims abstract description 16
- 230000003197 catalytic effect Effects 0.000 claims description 53
- 230000009466 transformation Effects 0.000 claims description 12
- 238000003672 processing method Methods 0.000 claims description 11
- 238000002485 combustion reaction Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 238000004148 unit process Methods 0.000 claims description 4
- 239000003344 environmental pollutant Substances 0.000 abstract description 18
- 231100000719 pollutant Toxicity 0.000 abstract description 18
- 239000003054 catalyst Substances 0.000 abstract description 5
- 230000000977 initiatory effect Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 4
- 230000001473 noxious effect Effects 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000012384 transportation and delivery Methods 0.000 description 3
- 238000007405 data analysis Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- 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
- F01N3/2053—By-passing catalytic reactors, e.g. to prevent overheating
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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
- F01N3/24—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
- F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N9/00—Electrical control of exhaust gas treating apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2240/00—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being
- F01N2240/26—Combination or association of two or more different exhaust treating devices, or of at least one such device with an auxiliary device, not covered by indexing codes F01N2230/00 or F01N2250/00, one of the devices being an exhaust gas reservoir, e.g. emission buffer
-
- 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
- F01N2590/00—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines
- F01N2590/08—Exhaust or silencing apparatus adapted to particular use, e.g. for military applications, airplanes, submarines for heavy duty applications, e.g. trucks, buses, tractors, locomotives
-
- 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
- F01N2900/1404—Exhaust gas temperature
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- 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)
Abstract
The invention discloses an automobile cold start waste gas treatment device and method. The treatment device comprises a three-way valve, a three-way catalyst connected with the three-way valve, and a waste gas storage tank connected with the three-way valve and used for storing waste gas during automobile cold start. The three-way valve is connected with an engine. According to the automobile cold start waste gas treatment device and method, when an automobile is in a cold start state, harmful pollutants discharged by the automobile are collected and stored rather than directly exhaust gas through an automobile exhausting system, and when the engine is under the appropriate work condition, the collected and stored harmful pollutants are discharged and treated through the three-way catalyst, and therefore the waste gas pollutants discharged during automobile cold start can be reduced more effectively.
Description
Technical field
The invention belongs to motor vehicle exhaust emission technical field, specifically, the present invention relates to a kind of cold-starting automobile emission-control equipment and processing method.
Background technique
Along with continuous increase that is Chinese and even Global Auto recoverable amount, the impact of motor vehicle exhaust emission pollutant on environment is also on the rise, in order to reduce the impact of motor vehicle exhaust emission pollutant on environment, current every country has corresponding motor vehicle exhaust emission regulation, and constantly adding sternly, this constantly brings new challenge just to the control device of motor vehicle exhaust emission pollutant, and the method controlling motor vehicle exhaust emission pollutant is at present carried out mainly through three aspects, first by improving engine combustion, be referred to as emission controls by improving combustion, such as by injection pressure and oil sprayer aperture, hole count the mode such as to be carried out and is improved combustion oil atomization, by improving oil spout angle, the structure of firing chamber promotes mixing of fuel oil and air, reduce quenching effect and gap effect, these schemes all effectively can reduce the raw emissions of motor car engine, next is improved motor vehicle exhaust emission pollutant by the careful optimization of automobile engine management system to engine calibration, the light-off time of triple-effect catalytic unit can be shortened as postponed firing angle, promote machine combustion, the careful demarcation of transient working condition carrys out the schemes such as conservative control air fuel ratio and also effectively may reduce motor vehicle exhaust emission pollutant in addition simultaneously, finally, by installing the after-treatment devices such as triple-effect catalytic unit additional in automobile exhaust system, by redox reaction, automotive emissions are processed, reduction automobile finally enters the pollutant in air, and these three kinds of vehicle maintenance service modes are all reduce the effective means of motor vehicle exhaust emission in current automotive development.
The initiation temperature (contamination transform efficiency reaches delivery temperature when 50%) of current triple-effect catalytic unit is general at about 300 DEG C, escort vehicle exercises the continuous increase of mileage simultaneously, such as require that the durable mileage of vehicular discharge will reach 160,000 kilometers at the Chinese Light-duty automobile emissions standards five-stage issued at present, the durable mileage of higher standard requires then can be longer, and now the initiation temperature of triple-effect catalytic unit all constantly will raise along with the increase of Vehicle-Miles of Travel, and motor car engine cannot once starting the requirement making the temperature of triple-effect catalytic unit reach its initiation temperature, therefore the transformation efficiency of triple-effect catalytic unit will be in low state very, and delivery temperature is not when reaching the effective operating temperature of triple-effect catalytic unit, its transformation efficiency will very low, the pollutant that automobile is discharged directly is being discharged without situation about processing completely, by mass data analysis and summary, have under motor vehicle emission operating mode and 90% come from the cold-starting automobile stage nearly, therefore by improving the raw emissions of motor, optimize engine control system, promote a series of schemes such as the conversion performance of the after-treatment devices such as triple-effect catalytic unit, all can not effectively reduce automotive emissions during cold start-up, simultaneously for meeting stricter motor vehicle exhaust emission regulation, from motor to electric injection system, the improvement cost arriving discharge post-treatment system more all will significantly increase, its development cost is also very expensive simultaneously.
Summary of the invention
The invention provides a kind of cold-starting automobile emission-control equipment and processing method, the exhaust emission of discharging when object is and reduces cold-starting automobile.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is: cold-starting automobile emission-control equipment, comprise triple valve, the triple-effect catalytic unit be connected with triple valve and be connected with triple valve and waste gas storage tank for storing waste gas when cold-starting automobile, triple valve is also connected with motor.
The suction port of described triple valve is connected with motor, and an air outlet of triple valve is connected with triple-effect catalytic unit, and another air outlet is connected with waste gas storage tank.
Cold-starting automobile emission-control equipment also comprises the air pump be arranged between described triple valve and described waste gas storage tank, and air pump is also connected with triple valve and waste gas storage tank.
Described air pump is connected with control unit of engine.
Present invention also offers a kind of cold-starting automobile waste gas processing method, adopt above-mentioned treatment device, when motor is in cold start-up working state, the waste gas that motor produces flow in waste gas storage tank through triple valve, is in waste gas memory phase.
When motor is in warm-up mode, engine operation condition is stablized, and under the sufficiently high condition of triple-effect catalytic unit transformation efficiency, the waste gas in waste gas storage tank is discharged, then processes through triple-effect catalytic unit.
When control unit of engine monitors that engine combustion is normal, exhaust gas temperature has reached the condition of demarcation, triple-effect catalytic unit is in medium invert efficiency, triple valve will store tank connected air outlet with waste gas and close, the air outlet be connected with triple-effect catalytic unit is opened by triple valve, the waste gas that motor produces flow to triple-effect catalytic unit through triple valve, enters air after eventually passing triple-effect catalytic unit process.
The exhaust gas temperature that control unit of engine monitors motor generation is in higher state, now the transformation efficiency of triple-effect catalytic unit is high, the exhaust gas temperature stored in waste gas storage tank is low, triple valve will store tank connected air outlet with waste gas and be adjusted to and be in part opening state, the air outlet be connected with triple-effect catalytic unit is opened by triple valve, after the waste gas that the waste gas stored in waste gas gas holder and motor produce mixes, then drain into triple-effect catalytic unit and process.
Cold-starting automobile emission-control equipment of the present invention and processing method, the noxious pollutant first can discharged by automobile when automobile is in cold start carries out collecting and storing, instead of directly by automobile exhaust system, waste gas is discharged, and can under the operating conditions that motor is suitable, the noxious pollutant collecting storage is discharged, process through triple-effect catalytic unit, thus the exhaust emission of discharging when more can effectively reduce cold-starting automobile.
Accompanying drawing explanation
Fig. 1 is the structural representation of cold-starting automobile emission-control equipment of the present invention;
Mark in above-mentioned figure is: 1, triple valve; 2, air pump; 3, waste gas storage tank; 4, control unit of engine; 5, motor; 6, triple-effect catalytic unit; 7, muffler.
Embodiment
Contrast accompanying drawing below, by the description to embodiment, be described in further detail the specific embodiment of the present invention, object helps those skilled in the art to have more complete, accurate and deep understanding to design of the present invention, technological scheme, and contribute to its enforcement.
The one discharge that the present invention mainly designs in order to the exhaust emission of discharging when more effectively reducing cold-starting automobile is collected and reprocessing control gear, the noxious pollutant that automobile not only first can be discharged when automobile is in cold start by the major function of this device carries out collecting and storing, instead of directly by automobile exhaust system, waste gas is discharged, simultaneously can under the operating conditions that motor is suitable, the noxious pollutant collecting storage is discharged, carries out a kind of device processed through three-way catalyst.
Because common automobile after-treatment system all needs to reach certain operating temperature, be referred to as initiation temperature, now after-treatment system just can possess certain transformation efficiency, and this device first will store at the triple-effect catalytic unit exhaust emission that automobile is discharged before not possessing high conversion just, after the initiation temperature that automobile exhaust temperature reaches three-way catalyst, discharge again after the pollutant stored in device being mixed with the pollutant of discharging in proportion according to the operating conditions of motor again, conversion treatment is carried out finally by triple-effect catalytic unit, to reach the object to motor vehicle exhaust emission purification.
As shown in Figure 1, the invention provides a kind of cold-starting automobile emission-control equipment, comprise triple valve, the triple-effect catalytic unit be connected with triple valve and be connected with triple valve and waste gas storage tank for storing waste gas when cold-starting automobile, triple valve is also connected with motor.
Specifically, triple valve has a suction port and two air outlets, and as shown in Figure 1, the suction port of triple valve is connected with motor, an air outlet of triple valve is connected with the suction port of triple-effect catalytic unit, and another air outlet of triple valve is connected with waste gas storage tank.
As preferably, as shown in Figure 1, cold-starting automobile emission-control equipment of the present invention also comprises the air pump be arranged between triple valve and waste gas storage tank, and air pump is also connected with triple valve and waste gas storage tank.Air pump is also electrically connected with control unit of engine (ECU), air pump is by the control of control unit of engine, during air pump running, the waste gas stored can be entered in triple valve and the waste gas in triple valve is entered in waste gas storage tank store in waste gas storage tank.
As preferably, triple valve is the electric valve be electrically connected with control unit of engine, and control unit of engine can control opening and closing and the aperture size that triple valve regulates two air outlets.
The cold-starting automobile emission-control equipment of said structure, mainly through ECU (control unit of engine) platform managed motor, the function that waste gas collection device controls is integrated with in engine control system, therefore can effectively manage waste gas collection device work and control, by the cooling-water temperature sensor that engine management system carries, the running state of motor monitored by the sensors such as Air flow meter, the work of electric T-shaped valve and air pump is controlled again by ECU, when motor is in cold start-up working state, triple-effect catalytic unit transformation efficiency is low, waste gas collection device pipeline opens, be in waste gas memory phase, when motor is in warm-up mode, engine operation condition is stablized, under the sufficiently high condition of triple-effect catalytic unit transformation efficiency, waste gas in storage tank is discharged, process through three-way catalyst again, therefore the pollutant of motor vehicle emission can process in the triple-effect catalytic unit optimal conversion stage by this device, reaches the object of purification automobile exhaust gas purifying.
Present invention also offers a kind of cold-starting automobile waste gas processing method, adopt the cold-starting automobile emission-control equipment of said structure, when motor is in cold start-up working state, the waste gas that motor produces flow in waste gas storage tank through triple valve, is in waste gas memory phase.
Cold-starting automobile waste gas processing method of the present invention monitors the runnability of motor by water temperature sensor that motor carries and air flow sensor, by control unit of engine, data analysis is judged whether motor is in cold start-up working state and engine combustion situation, then during the data judging engine operation of overall engine control unit, whether discharge is higher and delivery temperature is lower.
When motor is in cold start-up working state, the exhaust gas temperature that motor produces is low, control unit of engine controls air pump running, and control triple valve the air outlet be connected with triple-effect catalytic unit is closed, the air outlet be connected with air pump is opened, air pump sucks the waste gas that motor produces, and is entered in waste gas storage tank by waste gas and store.Now waste gas is not through triple-effect catalytic unit, and time directly stored in storage tank, be now in waste gas memory module.
When motor is in warm-up mode, engine operation condition is stablized, and under the sufficiently high condition of triple-effect catalytic unit transformation efficiency, the waste gas in waste gas storage tank is discharged, then processes through triple-effect catalytic unit.
When control unit of engine monitors that engine combustion is normal, exhaust gas temperature has reached the condition of demarcation, triple-effect catalytic unit is in medium invert efficiency, triple valve will store tank connected air outlet with waste gas and close, the air outlet be connected with triple-effect catalytic unit is opened by triple valve, the waste gas that motor produces flow to triple-effect catalytic unit through triple valve, enters air after eventually passing triple-effect catalytic unit process.
The exhaust gas temperature that control unit of engine monitors motor generation is in higher state, now the transformation efficiency of triple-effect catalytic unit is also high, because the exhaust gas temperature stored in waste gas storage tank is low, therefore exhaust pipe cannot be in full-gear, triple valve is adjusted to storing tank connected air outlet with waste gas the state being in part and opening, the air outlet be connected with triple-effect catalytic unit is opened by triple valve, after needing the waste gas mixed lifting temperature waste gas stored in waste gas gas holder and motor produced, then drain into triple-effect catalytic unit.First the air flow sensor carried according to motor judges the exhaust gas flow that motor produces, according to these data, control unit of engine calculates the aperture size that triple valve stores tank connected air outlet to waste gas and controls triple valve and this air outlet is adjusted to corresponding aperture, air pump operates, waste gas in waste gas storage tank is progressively discharged by a certain percentage, and flow in triple-effect catalytic unit after mixing with the waste gas that motor produces, now because triple-effect catalytic unit still keeps higher transformation efficiency, so considerably less without the exhausted air quantity of triple-effect catalytic unit process, so just can reach the object purified air.
Consider the difference that different motor and car load discharge are demarcated, exhaust emission during cold starting is all different, therefore all should mate separately according to actual service condition at three-way valve, air pump and waste gas storage tank, pass through analysis verification, by installing this waste gas collection device additional, vehicular discharge can reduce by more than 80%.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the improvement of the various unsubstantialities that method of the present invention is conceived and technological scheme is carried out; or design of the present invention and technological scheme directly applied to other occasion, all within protection scope of the present invention without to improve.
Claims (8)
1. cold-starting automobile emission-control equipment, is characterized in that: comprise triple valve, the triple-effect catalytic unit be connected with triple valve and be connected with triple valve and waste gas storage tank for storing waste gas when cold-starting automobile, triple valve is also connected with motor.
2. cold-starting automobile emission-control equipment according to claim 1, is characterized in that: the suction port of described triple valve is connected with motor, and an air outlet of triple valve is connected with triple-effect catalytic unit, and another air outlet is connected with waste gas storage tank.
3. cold-starting automobile emission-control equipment according to claim 1, is characterized in that: also comprise the air pump be arranged between described triple valve and described waste gas storage tank, and air pump is also connected with triple valve and waste gas storage tank.
4. cold-starting automobile emission-control equipment according to claim 3, is characterized in that: described air pump is connected with control unit of engine.
5. cold-starting automobile waste gas processing method, it is characterized in that: adopt the arbitrary described treatment device of Claims 1-4, when motor is in cold start-up working state, the waste gas that motor produces flow in waste gas storage tank through triple valve, is in waste gas memory phase.
6. cold-starting automobile waste gas processing method according to claim 5, it is characterized in that: when motor is in warm-up mode, engine operation condition is stablized, and under the sufficiently high condition of triple-effect catalytic unit transformation efficiency, waste gas in waste gas storage tank is discharged, then processes through triple-effect catalytic unit.
7. cold-starting automobile waste gas processing method according to claim 5, it is characterized in that: when control unit of engine monitors that engine combustion is normal, exhaust gas temperature has reached the condition of demarcation, triple-effect catalytic unit is in medium invert efficiency, triple valve will store tank connected air outlet with waste gas and close, the air outlet be connected with triple-effect catalytic unit is opened by triple valve, the waste gas that motor produces flow to triple-effect catalytic unit through triple valve, enters air after eventually passing triple-effect catalytic unit process.
8. cold-starting automobile waste gas processing method according to claim 5, it is characterized in that: the exhaust gas temperature that control unit of engine monitors motor generation is in higher state, now the transformation efficiency of triple-effect catalytic unit is high, the exhaust gas temperature stored in waste gas storage tank is low, triple valve will store tank connected air outlet with waste gas and be adjusted to and be in part opening state, the air outlet be connected with triple-effect catalytic unit is opened by triple valve, after the waste gas that the waste gas stored in waste gas gas holder and motor produce mixes, then drain into triple-effect catalytic unit and process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610031074.0A CN105484838A (en) | 2016-01-18 | 2016-01-18 | Automobile cold start waste gas treatment device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610031074.0A CN105484838A (en) | 2016-01-18 | 2016-01-18 | Automobile cold start waste gas treatment device and method |
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| Publication Number | Publication Date |
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| CN105484838A true CN105484838A (en) | 2016-04-13 |
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| CN201610031074.0A Pending CN105484838A (en) | 2016-01-18 | 2016-01-18 | Automobile cold start waste gas treatment device and method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374730A (en) * | 2019-08-17 | 2019-10-25 | 华北理工大学 | A kind of vehicle exhaust cyclic processing device |
| CN112282909A (en) * | 2020-10-30 | 2021-01-29 | 潍柴动力股份有限公司 | Engine exhaust system, control method thereof and engine |
| CN112682137A (en) * | 2020-12-25 | 2021-04-20 | 中国第一汽车股份有限公司 | Device for reducing automobile exhaust emission |
| CN112737413A (en) * | 2020-12-28 | 2021-04-30 | 理诚动力传控技术(苏州)有限公司 | Thermoelectric conversion control method for waste heat of automobile engine exhaust |
| CN113586207A (en) * | 2021-06-30 | 2021-11-02 | 东风汽车集团股份有限公司 | Cold-start exhaust treatment system and treatment method for passenger car engine |
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| US6250073B1 (en) * | 1998-08-19 | 2001-06-26 | Bayerische Motoren Werke Aktiengesellschaft | Exhaust system of an internal-combustion engine having a storage volume |
| EP1369558A2 (en) * | 2002-06-05 | 2003-12-10 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purifying method, exhaust gas purifying apparatus, and exhaust gas collecting apparatus of internal combustion engine |
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| CN103850763A (en) * | 2014-03-14 | 2014-06-11 | 奇瑞汽车股份有限公司 | Automobile exhaust repurification system and purification method of automobile exhaust repurification system |
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2016
- 2016-01-18 CN CN201610031074.0A patent/CN105484838A/en active Pending
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| US6250073B1 (en) * | 1998-08-19 | 2001-06-26 | Bayerische Motoren Werke Aktiengesellschaft | Exhaust system of an internal-combustion engine having a storage volume |
| EP1369558A2 (en) * | 2002-06-05 | 2003-12-10 | Toyota Jidosha Kabushiki Kaisha | Exhaust gas purifying method, exhaust gas purifying apparatus, and exhaust gas collecting apparatus of internal combustion engine |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374730A (en) * | 2019-08-17 | 2019-10-25 | 华北理工大学 | A kind of vehicle exhaust cyclic processing device |
| CN112282909A (en) * | 2020-10-30 | 2021-01-29 | 潍柴动力股份有限公司 | Engine exhaust system, control method thereof and engine |
| CN112282909B (en) * | 2020-10-30 | 2022-04-05 | 潍柴动力股份有限公司 | Engine exhaust system, control method thereof and engine |
| CN112682137A (en) * | 2020-12-25 | 2021-04-20 | 中国第一汽车股份有限公司 | Device for reducing automobile exhaust emission |
| CN112682137B (en) * | 2020-12-25 | 2022-04-12 | 中国第一汽车股份有限公司 | Device for reducing automobile exhaust emission |
| CN112737413A (en) * | 2020-12-28 | 2021-04-30 | 理诚动力传控技术(苏州)有限公司 | Thermoelectric conversion control method for waste heat of automobile engine exhaust |
| CN113586207A (en) * | 2021-06-30 | 2021-11-02 | 东风汽车集团股份有限公司 | Cold-start exhaust treatment system and treatment method for passenger car engine |
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