CN105443205A - Three-way catalytic converter cooling system - Google Patents
Three-way catalytic converter cooling system Download PDFInfo
- Publication number
- CN105443205A CN105443205A CN201510951245.7A CN201510951245A CN105443205A CN 105443205 A CN105443205 A CN 105443205A CN 201510951245 A CN201510951245 A CN 201510951245A CN 105443205 A CN105443205 A CN 105443205A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- pipe
- catalyzing unit
- ternary catalyzing
- fixed
- 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 19
- 230000003197 catalytic effect Effects 0.000 title abstract description 13
- 238000001914 filtration Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 5
- 239000003054 catalyst Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000006555 catalytic reaction Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 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
- 230000008602 contraction Effects 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
- 239000000919 ceramic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 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
- 238000005245 sintering Methods 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
- 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
- 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
-
- 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 a three-way catalytic converter cooling system which comprises a nozzle, a temperature sensor and a vehicle-mounted computer, wherein the temperature sensor is fixed to a three-way catalytic converter and is connected to the vehicle-mounted computer; the nozzle is communicated with and is fixedly provided with a nozzle pipe; the nozzle pipe is slidingly connected with an exhaust pipe of an automobile; the top of the nozzle pipe is communicated with an air inlet pipe of the three-way catalytic converter; the nozzle pipe is slidingly connected with the air inlet pipe; the outer diameter of the nozzle pipe, the inner diameter of the air inlet pipe of the three-way catalytic converter, and the inner diameter of the exhaust pipe are equal; a nozzle end of the air inlet pipe is communicated with a tapered cavity; an opening is formed in the bottom of the tapered cavity and faces towards the exhaust pipe; an air cylinder is fixed to the outer wall of the exhaust pipe; the free end of the air cylinder is fixed to the outer wall of the nozzle pipe; and the air cylinder is connected to the vehicle-mounted computer. The three-way catalytic converter cooling system achieves the purpose of taking tail gas of the automobile as power to suck air to cool the excessively high temperature three-way catalytic converter, and a situation that the three-way catalytic converter can continue to work normally in a cooling process is ensured.
Description
Technical field
The present invention relates to ternary catalyzing unit field, particularly relate to ternary catalyzing unit 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 ternary catalyzing unit 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 cooling system in this programme, comprise nozzle, temperature transducer and vehicle-mounted computer, temperature transducer to be fixed on ternary catalyzing unit and to be connected to vehicle-mounted computer, nozzle is communicated with and is fixed with nozzle pipe, nozzle pipe is slidably connected in the outlet pipe of automobile, nozzle pipe top is communicated with the suction tude of ternary catalyzing unit, nozzle pipe is slidably connected in suction tude, nozzle pipe external diameter, the suction tude internal diameter of ternary catalyzing unit, outlet pipe internal diameter is all equal, air inlet pipe nozzle end is communicated with conical cavity, conical cavity bottom opening towards outlet pipe, exhaust tube wall is fixed with cylinder, cylinder movable end is fixed on nozzle pipe outer wall, cylinder 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 control cylinder ejects end and is in the state of ejecting, and make nozzle pipe two ends be placed in suction tude and outlet pipe respectively, now vehicle exhaust successively enters in ternary catalyzing unit by outlet pipe, nozzle pipe, nozzle, suction tude, and ternary catalyzing unit normally works, when temperature sensor senses is greater than 800 DEG C to catalyst temperature, vehicle-mounted computer control cylinder is in contraction state, nozzle pipe is slided, nozzle is made to slide in conical cavity, now vehicle exhaust successively passes through outlet pipe, nozzle pipe, nozzle, conical cavity and suction tude enter in ternary catalyzing unit, but vehicle exhaust is forming jet flow through nozzle, after jet flow sprays into suction tude, promote the air rapid movement forward in suction tude, a negative pressuren zone is produced in the conical cavity at the nozzle rear therefore outside suction tude, the air of negative pressuren zone draw ambient sprays in suction tude with jet flow and mixes with jet flow, below the temperature to 800 DEG C reducing jet flow, thus ternary catalyzing unit is cooled.
In cooling and uncooled process, vehicle exhaust all can enter in ternary catalyzing unit and carry out catalytic reaction, prevents vehicle exhaust from directly entering contaminated air in air.
Be below the optimized project of such scheme:
Optimized project one: described nozzle pipe bottom outer-edge fixes limited ring, limited ring external diameter equals described outlet pipe internal diameter, outlet pipe inner wall at end is fixed with baffle ring, and baffle ring internal diameter equals nozzle pipe external diameter, uses limited ring and baffle ring to prevent nozzle pipe from pulling out from outlet pipe.
Optimized project two: described baffle ring inwall is fixed with seal ring, contaminated air preventing tail gas from the clearance leakage between nozzle pipe and baffle ring to air.
Optimized project three: the described suction tude inwall nozzle pipeline section that is slidably connected is fixed with seal ring, prevents the impurity in air from entering ternary catalyzing unit from the gap between nozzle pipe and suction tude.
Optimized project four: be provided with air filtering core in described suction tude, filters the tail gas sprayed in suction tude or air, prevents impurity from entering in ternary catalyzing unit.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention ternary catalyzing unit cooling system.
Embodiment
Below by embodiment, the present invention is further detailed explanation:
Reference character in Figure of description comprises: nozzle 1, temperature transducer 2, vehicle-mounted computer 3, ternary catalyzing unit 4, nozzle pipe 6, limited ring 7, suction tude 8, outlet pipe 9, baffle ring 10, seal ring 11, conical cavity 12, air filtering core 13, cylinder 14.
Embodiment's ternary catalyzing unit cooling system is substantially as shown in Figure 1: comprise nozzle 1, temperature transducer 2 and vehicle-mounted computer 3, temperature transducer 2 to be fixed on ternary catalyzing unit 4 and to be connected to vehicle-mounted computer 3, be communicated with bottom nozzle 1 and be fixed with nozzle pipe 6, nozzle pipe 6 basal sliding is connected in the outlet pipe 9 of automobile, nozzle pipe 6 bottom outer-edge fixes limited ring 7, limited ring 7 external diameter equals outlet pipe 9 internal diameter, outlet pipe 9 nozzle pipe 6 end inwall is fixed with baffle ring 10, baffle ring 10 internal diameter equals nozzle pipe 6 external diameter, baffle ring 10 inwall is fixed with seal ring 11, nozzle pipe 6 top is communicated with the suction tude 8 of ternary catalyzing unit 4, air filtering core 13 is installed in suction tude 8, nozzle pipe 6 top slide is connected in suction tude 8, the suction tude 8 inwall nozzle pipe 6 sections that is slidably connected is fixed with seal ring 11, nozzle pipe 6 external diameter, suction tude 8 internal diameter, outlet pipe 9 internal diameter is all equal, suction tude 8 nozzle 1 end is communicated with conical cavity 12, conical cavity 12 bottom opening towards outlet pipe 9, outlet pipe 9 outer wall is fixed with cylinder 14, cylinder 14 movable end is fixed on nozzle pipe 6 outer wall, cylinder 14 is connected to vehicle-mounted computer 3.
When temperature inductor senses ternary catalyzing unit 4 temperature lower than 800 DEG C, vehicle-mounted computer 3 control cylinder 14 ejects end and is in the state of ejecting, and make nozzle pipe 6 two ends be placed in suction tude 8 and outlet pipe 9 respectively, now vehicle exhaust successively enters in ternary catalyzing unit 4 by outlet pipe 9, nozzle pipe 6, nozzle 1, suction tude 8, and ternary catalyzing unit 4 normally works, when temperature transducer 2 senses that catalyst temperature is greater than 800 DEG C, vehicle-mounted computer 3 control cylinder 14 is in contraction state, nozzle pipe 6 is slided, nozzle 1 is made to slide in conical cavity 12, now vehicle exhaust is successively by outlet pipe 9, nozzle pipe 6, nozzle 1, conical cavity 12 and suction tude 8 enter in ternary catalyzing unit 4, but vehicle exhaust forms jet flow when through nozzle 1, after jet flow sprays into suction tude 8, the air promoted in suction tude 8 travels forward, a negative pressure region is produced in the conical cavity 12 at nozzle 1 rear, and the air of draw ambient sprays in suction tude 8 with jet flow, ternary catalyzing unit 4 is cooled.
In cooling and uncooled process, vehicle exhaust all can enter in ternary catalyzing unit 4 and carry out catalytic reaction, prevents vehicle exhaust from directly entering contaminated air in air; Nozzle pipe 6 is equipped with seal ring 11 with suction tude 8 and outlet pipe 9 place of being slidably connected simultaneously, prevents tail gas from leaking to contaminated air in air further; In suction tude 8, install air filtering core 13 additional simultaneously, the tail gas sprayed in suction tude 8 or air are filtered, prevents impurity from entering in ternary catalyzing unit 4.
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 cooling system, comprise nozzle, 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, nozzle is communicated with and is fixed with nozzle pipe, nozzle pipe is slidably connected in the outlet pipe of automobile, nozzle pipe top is communicated with the suction tude of ternary catalyzing unit, nozzle pipe is slidably connected in suction tude, nozzle pipe external diameter, the suction tude internal diameter of ternary catalyzing unit, outlet pipe internal diameter is all equal, air inlet pipe nozzle end is communicated with conical cavity, conical cavity bottom opening towards outlet pipe, exhaust tube wall is fixed with cylinder, cylinder movable end is fixed on nozzle pipe outer wall, cylinder is connected to vehicle-mounted computer.
2. ternary catalyzing unit cooling system according to claim 1, it is characterized in that: described nozzle pipe bottom outer-edge fixes limited ring, limited ring external diameter equals described outlet pipe internal diameter, and outlet pipe inner wall at end is fixed with baffle ring, and baffle ring internal diameter equals nozzle pipe external diameter.
3. ternary catalyzing unit cooling system according to claim 2, is characterized in that: described baffle ring inwall is fixed with seal ring.
4. ternary catalyzing unit cooling system according to claim 3, is characterized in that: the described suction tude inwall nozzle pipeline section that is slidably connected is fixed with seal ring.
5. ternary catalyzing unit 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 |
|---|---|---|---|
| CN201510951245.7A CN105443205A (en) | 2015-12-19 | 2015-12-19 | Three-way catalytic converter cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510951245.7A CN105443205A (en) | 2015-12-19 | 2015-12-19 | Three-way catalytic converter cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105443205A true CN105443205A (en) | 2016-03-30 |
Family
ID=55553775
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510951245.7A Pending CN105443205A (en) | 2015-12-19 | 2015-12-19 | Three-way catalytic converter cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105443205A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401706A (en) * | 2016-04-25 | 2017-02-15 | 安庆职业技术学院 | Purification device for automobile tail gas |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07293221A (en) * | 1994-04-20 | 1995-11-07 | Mitsubishi Heavy Ind Ltd | Exhaust gas temperature controller also serving as emergency shutting off device for anc muffler |
| CN103670640A (en) * | 2013-12-06 | 2014-03-26 | 王才本 | Automobile exhaust pipe |
| CN103835787A (en) * | 2014-03-17 | 2014-06-04 | 威海市天罡仪表股份有限公司 | Automobile exhaust filtering silencer |
| CN104389658A (en) * | 2014-10-10 | 2015-03-04 | 嘉兴职业技术学院 | Automobile exhaust device |
| DE102015100286A1 (en) * | 2014-01-17 | 2015-07-23 | Ford Global Technologies, Llc | One-dimensional three-way catalyst model for control and diagnostics |
| CN205370698U (en) * | 2015-12-19 | 2016-07-06 | 重庆新卓汇汽车净化器有限公司 | Three way catalyst converter cooling system |
-
2015
- 2015-12-19 CN CN201510951245.7A patent/CN105443205A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07293221A (en) * | 1994-04-20 | 1995-11-07 | Mitsubishi Heavy Ind Ltd | Exhaust gas temperature controller also serving as emergency shutting off device for anc muffler |
| CN103670640A (en) * | 2013-12-06 | 2014-03-26 | 王才本 | Automobile exhaust pipe |
| DE102015100286A1 (en) * | 2014-01-17 | 2015-07-23 | Ford Global Technologies, Llc | One-dimensional three-way catalyst model for control and diagnostics |
| CN103835787A (en) * | 2014-03-17 | 2014-06-04 | 威海市天罡仪表股份有限公司 | Automobile exhaust filtering silencer |
| CN104389658A (en) * | 2014-10-10 | 2015-03-04 | 嘉兴职业技术学院 | Automobile exhaust device |
| CN205370698U (en) * | 2015-12-19 | 2016-07-06 | 重庆新卓汇汽车净化器有限公司 | Three way catalyst converter cooling system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106401706A (en) * | 2016-04-25 | 2017-02-15 | 安庆职业技术学院 | Purification device for automobile tail gas |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160330 |