CN105443204A - Air cooling system for three-way catalyst - Google Patents
Air cooling system for three-way catalyst Download PDFInfo
- Publication number
- CN105443204A CN105443204A CN201510951237.2A CN201510951237A CN105443204A CN 105443204 A CN105443204 A CN 105443204A CN 201510951237 A CN201510951237 A CN 201510951237A CN 105443204 A CN105443204 A CN 105443204A
- Authority
- CN
- China
- Prior art keywords
- air
- catalyzing unit
- ternary catalyzing
- pipe
- cooling system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001816 cooling Methods 0.000 title claims abstract description 20
- 239000003054 catalyst Substances 0.000 title abstract description 12
- 230000029058 respiratory gaseous exchange Effects 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 6
- 230000003197 catalytic effect Effects 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 230000017074 necrotic cell death Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 229910001868 water Inorganic materials 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—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
- F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
- F01N3/2046—Periodically cooling 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
- F01N5/00—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy
- F01N5/04—Exhaust or silencing apparatus combined or associated with devices profiting by exhaust energy the devices using kinetic energy
-
- 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
- F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
- F01N2260/02—Exhaust treating devices having provisions not otherwise provided for for cooling the device
- F01N2260/022—Exhaust treating devices having provisions not otherwise provided for for cooling the device using air
-
- 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
- F01N2560/06—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a temperature sensor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses an air cooling system for a three-way catalyst. The air cooling system for the three-way catalyst comprises a four-way pipe, a ventilating pipe, a turbocharger, a temperature sensor and an automobile-mounted computer, wherein the temperature sensor is fixed on the three-way catalyst and is connected to the automobile-mounted computer; the turbocharger comprises a turbine and an air compressor; one end of the four-way pipe communicates with an air inlet of the three-way catalyst; the rest three ends of the four-way pipe respectively communicate with an air outlet of the turbine, an air outlet of the air compressor and the ventilating pipe; the other end of the ventilating pipe communicates with one end of an electric three-way valve; the other two ends of the electric three-way valve respectively communicate with an exhaust pipe of an automobile and an air inlet of the turbine; and the electric three-way valve is connected to the automobile-mounted computer. The invention aims to provide the air cooling system for the three-way catalyst, automobile exhaust serves as power to extract air to cool down the three-way catalyst with over high temperature, and meanwhile, the three-way catalyst can continue working normally in a cooling process.
Description
Technical field
The present invention relates to ternary catalyzing unit field, particularly relate to a kind of ternary catalyzing unit air cooling system.
Background technique
Ternary catalyzing unit refers to that the harmful gases such as CO, HC and the NOx discharged by vehicle exhaust change the catalysis device of harmless carbon dioxide, water and nitrogen into by oxidation and reduction, the carrier body of ternary catalyzing unit is one piece and is coated with the porous ceramics of catalyst coat or the catalytic body of porous metals, in the middle of the outlet pipe being arranged on special automobile.
The normal working temperature of ternary catalyzing unit is generally at 400-800 DEG C.Can produce a large amount of heats during catalytic device working, heat makes the interior temperature of ternary catalyzing unit raise, and when temperature is more than 1000 DEG C, the catalyst coat in catalytic body will sinter necrosis, also very easily vehicle incidents of spontaneous combustion occurs simultaneously.
In order to prevent catalytic body from sintering and preventing vehicle spontaneous combustion, needing to cool to ternary catalyzing unit in time, existing ternary catalyzing unit is not all provided with cooling system.
Summary of the invention
The invention is intended to provide a kind of ternary catalyzing unit air cooling system, take vehicle exhaust as the too high ternary catalyzing unit of power extraction Air flow temperature, ensures that in cooling procedure, ternary catalyzing unit continues normal work simultaneously.
Ternary catalyzing unit air cooling system in this programme, comprise four-way pipe, breathing pipe, turbosupercharger, temperature transducer and vehicle-mounted computer, temperature transducer to be fixed on ternary catalyzing unit and to be connected to vehicle-mounted computer, turbosupercharger comprises turbo machine and air compressor, one end of four-way pipe is communicated with the suction port of ternary catalyzing unit, its excess-three end of four-way pipe is communicated with turbo machine air outlet respectively, air compressor air outlet and breathing pipe, the other end of breathing pipe is communicated with one end of electric T-shaped valve, the other two ends of electric T-shaped valve are communicated with outlet pipe and the turbine air inlet of automobile respectively, electric T-shaped valve is connected to vehicle-mounted computer.
The know-why of this programme and beneficial effect are: when temperature inductor senses three-element catalytic actuator temperature lower than 800 DEG C, vehicle-mounted computer controls electric T-shaped valve and is communicated with outlet pipe and breathing pipe, now vehicle exhaust successively enters in ternary catalyzing unit by outlet pipe, electric T-shaped valve, breathing pipe and four-way pipe, and ternary catalyzing unit normally works; When temperature sensor senses is greater than 800 DEG C to catalyst temperature, vehicle-mounted computer controls electric T-shaped valve and is communicated with outlet pipe and turbine air inlet, vehicle exhaust drives rotating turbine after entering turbo machine, turbo machine band engine-driven air compressor rotates, after air compressor sucks air, by air by air compressor air outlet, through four-way pipe, air is pressed in ternary catalyzing unit, carries out air-cooled to ternary catalyzing unit.
In the process of cooling, vehicle exhaust continues through turbo machine and four-way pipe enters in ternary catalyzing unit, and ternary catalyzing unit continues normal work.
Optimized project one based on such scheme: described air compressor suction port is fixed with wire netting, prevents large particle solid from entering air compressor from air compressor suction port, damages the impeller of air compressor.
Based on the optimized project two of such scheme, between described ternary catalyzing unit and described four-way pipe, air filter is installed, air filter two ends are communicated with four-way pipe with ternary catalyzing unit respectively, utilize the air of air filter to vehicle exhaust and air compressor compression to filter, prevent impurity from entering in ternary catalyzing unit.
Optimized project three based on such scheme: described air compressor suction port is communicated with suction tude, suction tude is fixed on car body, because air compressor must be installed together with turbo machine, and turbo machine is arranged on the outlet pipe of bottom of car, air compressor suction port is caused also to be positioned at bottom of car, easily suck foreign material from bottom of car, therefore utilize suction tude the suction port of air compressor to be extended to other higher positions of automobile, avoid sucking foreign material.
Optimized project four based on such scheme: be provided with valve between described four-way pipe and described air compressor air outlet, when air-cooled, opening valve makes four-way pipe and air compressor air outlet keep being communicated with, when not air-cooled, throttle down, from air compressor suction port leaks and contaminated air after entering air compressor to prevent vehicle exhaust from four-way pipe.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention ternary catalyzing unit air cooling system.
Embodiment
Below by embodiment, the present invention is further detailed explanation:
Reference character in Figure of description comprises: air filter 1, four-way pipe 2, turbo machine 3, air compressor 4, breathing pipe 5, temperature transducer 7, ternary catalyzing unit 8, valve 9, suction tude 10, wire netting 11, electric T-shaped valve 12, turbine air inlet 13, turbo machine air outlet 14, air compressor suction port 15, air compressor air outlet 16, vehicle-mounted computer 17, outlet pipe 18.
Embodiment's ternary catalyzing unit air cooling system is substantially as shown in Figure 1: comprise four-way pipe 2, breathing pipe 5, turbosupercharger, temperature transducer 7 and vehicle-mounted computer 17, temperature transducer 7 to be fixed on ternary catalyzing unit 8 and to be connected to vehicle-mounted computer 17, turbosupercharger comprises turbo machine 3 and air compressor 4, one end of four-way pipe 2 is communicated with the suction port of ternary catalyzing unit 8, air filter 1 is installed between ternary catalyzing unit 8 and four-way pipe 2, its excess-three end of four-way pipe 2 is communicated with turbo machine air outlet 14 respectively, air compressor air outlet 16 and breathing pipe 5, valve 9 is provided with between four-way pipe 2 and described air compressor air outlet 16, the other end of breathing pipe 5 is communicated with one end of electric T-shaped valve 12, the other two ends of electric T-shaped valve 12 are communicated with outlet pipe 18 and the turbine air inlet 13 of automobile respectively, electric T-shaped valve 12 is connected to vehicle-mounted computer 17, air compressor suction port 15 is communicated with suction tude 10 and is fixed with wire netting 11, the entrance of suction tude 10 is communicated to the motor air inlet of automobile.
When temperature inductor senses ternary catalyzing unit 8 temperature lower than 800 DEG C, vehicle-mounted computer 17 controls electric T-shaped valve 12 and is communicated with outlet pipe 18 and breathing pipe 5, close the valve 9 between four-way pipe 2 and air compressor 4, now vehicle exhaust successively enters in ternary catalyzing unit 8 by outlet pipe 18, electric T-shaped valve 12, breathing pipe 5, four-way pipe 2 and air filter 1, and ternary catalyzing unit 8 normally works; When temperature transducer 7 senses that catalyst temperature is greater than 800 DEG C, vehicle-mounted computer 17 controls electric T-shaped valve 12 and is communicated with outlet pipe and turbine air inlet 13, open the valve 9 between four-way pipe 2 and air compressor 4, vehicle exhaust enters turbo machine 3 rear driving turbo machine 3 and rotates, turbo machine 3 is with engine-driven air compressor 4 to rotate, after air compressor 4 sucks air, by air by air compressor air outlet 16, through four-way pipe 2 and air filter 1, air is pressed in ternary catalyzing unit 8, carries out air-cooled to ternary catalyzing unit 8.
In the process of cooling, vehicle exhaust continues through turbo machine 3 and four-way pipe 2 enters in ternary catalyzing unit 8, and ternary catalyzing unit 8 continues normal work.
Above-described is only embodiments of the invention, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from structure of the present invention, some distortion and improvement can also be made; these also should be considered as protection scope of the present invention, and these all can not affect effect of the invention process and practical applicability.The protection domain that this application claims should be as the criterion with the content of its claim, and the embodiment in specification etc. record the content that may be used for explaining claim.
Claims (5)
1. ternary catalyzing unit air cooling system, comprise four-way pipe, breathing pipe, turbosupercharger, temperature transducer and vehicle-mounted computer, it is characterized in that, temperature transducer to be fixed on ternary catalyzing unit and to be connected to vehicle-mounted computer, turbosupercharger comprises turbo machine and air compressor, one end of four-way pipe is communicated with the suction port of ternary catalyzing unit, its excess-three end of four-way pipe is communicated with turbo machine air outlet respectively, air compressor air outlet and breathing pipe, the other end of breathing pipe is communicated with one end of electric T-shaped valve, the other two ends of electric T-shaped valve are communicated with outlet pipe and the turbine air inlet of automobile respectively, electric T-shaped valve is connected to vehicle-mounted computer.
2. ternary catalyzing unit air cooling system according to claim 1, is characterized in that: described air compressor suction port is fixed with wire netting.
3. ternary catalyzing unit air cooling system according to claim 2, it is characterized in that: be provided with air filter between described ternary catalyzing unit and described four-way pipe, air filter two ends are communicated with four-way pipe with ternary catalyzing unit respectively.
4. ternary catalyzing unit air cooling system according to claim 3, is characterized in that: described air compressor suction port is communicated with suction tude, and suction tude is fixed on car body.
5. ternary catalyzing unit air cooling system according to claim 4, is characterized in that: be provided with air filtering core in described suction tude.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510951237.2A CN105443204A (en) | 2015-12-19 | 2015-12-19 | Air cooling system for three-way catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510951237.2A CN105443204A (en) | 2015-12-19 | 2015-12-19 | Air cooling system for three-way catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105443204A true CN105443204A (en) | 2016-03-30 |
Family
ID=55553774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510951237.2A Pending CN105443204A (en) | 2015-12-19 | 2015-12-19 | Air cooling system for three-way catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105443204A (en) |
-
2015
- 2015-12-19 CN CN201510951237.2A patent/CN105443204A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2211038B1 (en) | Apparatus for cooling overheated gas in engine room | |
| CN101932803B (en) | Exhaust system implementing scr and egr | |
| CN104847545A (en) | Air intake system for a work vehicle with improved fan aspiration | |
| CN104847497A (en) | Under-hood mounting configuration for a control unit of a work vehicle | |
| CN103883380B (en) | The control method of engine exhaust temperature and system | |
| CN201535188U (en) | Exhaust part including component for supplying waste gas for engine, exhaust system, and motor vehicle | |
| EP2907985B1 (en) | Mounting assembly for a diesel oxidation catalyst system of a work vehicle | |
| US20130014496A1 (en) | Cooling system for engine aftertreatment system | |
| CN203285519U (en) | Novel purification system for aftertreatment of automobile exhaust | |
| KR20140098453A (en) | Exhaust gas purification apparatus with improved catalystregeneration for emergency generator | |
| GB2546488A (en) | An engine assembly | |
| CN102678268A (en) | Exhaust treatment system for internal combustion engine | |
| CN203925695U (en) | The control system of engine exhaust temperature | |
| CN105339631A (en) | Failure diagnosis device for exhaust brake | |
| CN209761531U (en) | Exhaust pipe assembly and automobile | |
| CN214092013U (en) | Tail gas treatment device for rail locomotive | |
| CN212492298U (en) | Casting cooling waste gas treatment system of casting shop | |
| CN105443204A (en) | Air cooling system for three-way catalyst | |
| CN205370697U (en) | Three way catalyst converter forced air cooling system | |
| EP2131022A1 (en) | Thermal management of the after treatment system | |
| US20120096854A1 (en) | Engine exhaust treatment system and method for treating exhaust gas from an engine | |
| CN102933826B (en) | Exhaust pipe injection control device | |
| CN205370695U (en) | Diesel engine tail -gas clean -up ware of convertible soot particulate filter runner | |
| JP2007146774A (en) | Egr system | |
| JP7028586B2 (en) | Exhaust gas aftertreatment method and exhaust pipe of diesel engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160330 |
|
| WD01 | Invention patent application deemed withdrawn after publication |