CN106050367A - Three-section type automotive exhaust treatment device - Google Patents
Three-section type automotive exhaust treatment device Download PDFInfo
- Publication number
- CN106050367A CN106050367A CN201610589074.2A CN201610589074A CN106050367A CN 106050367 A CN106050367 A CN 106050367A CN 201610589074 A CN201610589074 A CN 201610589074A CN 106050367 A CN106050367 A CN 106050367A
- Authority
- CN
- China
- Prior art keywords
- temperature plasma
- low
- section
- catalytic conversion
- processing apparatus
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
-
- 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
- F01N2330/00—Structure of catalyst support or particle filter
- F01N2330/06—Ceramic, e.g. monoliths
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)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention provides a three-section type automotive exhaust treatment device. The three-section type automotive exhaust treatment device comprises a low-temperature plasma generation section, a transition section and a catalytic conversion section. A gas inlet end is the low-temperature plasma generation section. A low-temperature plasma generator is arranged in the low-temperature plasma generation section. Exhaust passes the transition section and enters the catalytic conversion section. The catalytic conversion section is a porous metal ceramic catalyst carrier. A catalyst is attached to the carrier. The treated exhaust is discharged through an outlet. According to the three-section type automotive exhaust treatment device, the low-temperature plasma generator is arranged, pollutants in the automotive exhaust are pretreated, the selectivity of the catalyst is improved, and treatment efficiency is improved; by arranging the transition section, distribution uniformity of air flow in a device body is improved; and by arranging the porous metal ceramic catalyst carrier, the specific surface area of the carrier is increased effectively, the exhaust treatment time is prolonged, and the purification efficiency of the pollutants in the automotive exhaust is improved.
Description
Art
The present invention relates to a kind of automobile exhaust purification equipment, be specifically related to a kind of syllogic automobile exhaust gas processing apparatus, belong to
In exhaust gas purification equipment technical field.
Background technology
Since first automobile occurs, automobile is that the live and work of the mankind brings great convenience, and car is with people's
Live more and more inseparable.But while the developing rapidly of automobile industry, auto output are continuously increased with recoverable amount, automobile also carries
Problems are carried out: motor vehicle exhaust emission has been increasingly becoming the primary pollution source of air.If be not controlled by, the mankind will be made
Living environment severe exacerbation, healthy to the mankind constitutes great threat.
Containing multiple harmful substances in vehicle exhaust, mainly include solid suspended particles, carbon monoxide, nitrogen oxides and
Hydrocarbon.The most conventional control device is installation automobile exhaust gas processing apparatus in automobile exhaust system, by catalysis
Convert and the harmful substance in tail gas is processed.But it is as the increase of distance travelled, original vapour in automobile exhaust system
Tail gas device treatment effeciency can decline.Experiment records in same model automobile, the exhaust system end of the automobile that distance travelled is many
In end tail gas, pollutant levels are the highest.To this end, it is proposed that a kind of syllogic automobile exhaust gas processing apparatus, it is arranged on tail gas
The end of processing system, it is adaptable to cause the automobile that in tail gas, pollutant levels raise owing to distance travelled increases.
Summary of the invention
The technical problem to be solved in the present invention is that the defect overcoming existing technology, it is provided that a kind of syllogic car tail
Flash Gas Compression Skid System, is arranged on tail gas discharge system end, and low-temperature plasma segment occurred carries out pre-place to pollutant in vehicle exhaust
Reason, and selectivity of catalyst can be improved, improve treatment effeciency, by arranging changeover portion, syllogic automobile exhaust gas processing apparatus
The flow distribution evenness of body interior improves, and by arranging porous metalloceramic catalyst carrier, effectively increases the ratio of carrier
Surface area, extends the vent gas treatment time, by arranging catalyst, to the pollutant catalyzed conversion in vehicle exhaust, reduces and pollutes
Thing concentration of emission, can effectively solve the problem in background technology.
The invention provides following technical scheme:
The invention provides a kind of syllogic automobile exhaust gas processing apparatus, its body include low temperature plasma segment occurred,
Changeover portion and catalytic conversion stage, described low-temperature plasma segment occurred one end is provided with air intake, is inside provided with low-temperature plasma generator,
Porous metalloceramic catalyst carrier it is provided with, with urging in described porous metalloceramic catalyst carrier in described catalytic conversion stage
Agent, and it is provided with gas outlet.
A preferred technical solution of the present invention, described air intake connects vehicle exhaust air vent.
A preferred technical solution of the present invention, described gas outlet connects air.
A preferred technical solution of the present invention, the gas of described air intake pass sequentially through low temperature plasma segment occurred,
Changeover portion and catalytic conversion stage, discharged by gas outlet.
The present invention is reached to provide the benefit that: a kind of syllogic automobile exhaust gas processing apparatus is by arranging low-temperature plasma
Pollutant in vehicle exhaust are carried out pretreatment by generator, can improve selectivity of catalyst, improve treatment effeciency, by setting
Putting changeover portion 3, the flow distribution evenness within syllogic automobile exhaust gas processing apparatus body 1 improves, by arranging porous gold
Belong to ceramic catalyst carrier, effectively increase the specific surface area of carrier, extend the vent gas treatment time, by arranging catalyst, to vapour
Pollutant catalyzed conversion in tail gas, reduces Pollutant emission concentration, solves distance travelled increase and causes pollutant in tail gas
The problem that concentration increases.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
In the accompanying drawings:
Fig. 1 is a kind of syllogic automobile exhaust gas processing apparatus overall structure schematic diagram described in the embodiment of the present invention；
Fig. 2 is that a kind of syllogic automobile exhaust gas processing apparatus porous metalloceramic catalyst described in the embodiment of the present invention carries
Body profile；
Label in figure: 1, syllogic automobile exhaust gas processing apparatus body；2, low-temperature plasma segment occurred；3, changeover portion；4、
Catalytic conversion stage；5, low-temperature plasma generator；6, porous metalloceramic catalyst carrier；7, catalyst；8, air intake；9, go out
QI KOU.
Detailed description of the invention
Understandable, below in conjunction with the accompanying drawings to the present invention for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from
Detailed description of the invention be described in detail.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but the present invention is all right
Using other to be different from alternate manner described here to implement, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by following public specific embodiment.
Secondly, the present invention combines schematic diagram and is described in detail, when describing the embodiment of the present invention in detail, for purposes of illustration only, table
The profile of showing device structure can be disobeyed general ratio and be made partial enlargement, and described schematic diagram is example, and it should not at this
Limit the scope of protection of the invention.Additionally, the three-dimensional space of length, width and the degree of depth should be comprised in actual fabrication.
Embodiment: referring to Fig. 1 and Fig. 2, the present invention, a kind of syllogic automobile exhaust gas processing apparatus, including syllogic vapour
Tail gas processing means body 1, described syllogic automobile exhaust gas processing apparatus body 1 includes low-temperature plasma segment occurred 2, transition
Section 3 and catalytic conversion stage 4, described syllogic automobile exhaust gas processing apparatus body 1 one end is provided with air intake 8, described syllogic vapour
Tail gas processing means body 1 other end is provided with gas outlet 9, and described low-temperature plasma segment occurred 2 is internal is provided with low-temperature plasma
Generator 5, is provided with porous metalloceramic catalyst carrier 6 in described catalytic conversion stage 4, described porous metalloceramic catalyst carries
There is catalyst 7 on body 6 surface.
Described air intake 8 connects vehicle exhaust air vent, and described gas outlet 9 connects air, and the gas of described air intake 8 depends on
Secondary discharged by gas outlet 9 by low-temperature plasma segment occurred 2, changeover portion 3 and catalytic conversion stage 4, by syllogic vehicle exhaust
The use of processing means body 1, cleaning of off-gas.
It should be noted that the present invention is a kind of syllogic automobile exhaust gas processing apparatus, by arranging low temperature etc. during work
Pollutant in vehicle exhaust are carried out pretreatment by ion generator 5, improve selectivity of catalyst, improve treatment effeciency, pass through
Arranging changeover portion 3, the flow distribution evenness within syllogic automobile exhaust gas processing apparatus body 1 improves, by arranging with many
Mesoporous metal ceramic catalyst carrier 6, increases the specific surface area of carrier, extends the vent gas treatment time, can effectively solve background
Problem in technology, the harmful substance by the setting of catalyst 7, in effective catalyzed conversion tail gas.
Last it is noted that examples detailed above is only by clearly demonstrating the citing that the present invention is done, and not to reality
Execute the restriction of mode.For person of an ordinary skill in the technical field, on the basis of the above description, it is also possible to make
The change of other multi-forms or variation.Here without also cannot all of embodiment be carried out exhaustive.And thus amplified
The obvious change gone out or variation, protected still in the present invention within the scope of.
Claims (4)
1. a syllogic automobile exhaust gas processing apparatus, it is characterised in that described automobile exhaust gas processing apparatus body (1) includes low
Isothermal plasma segment occurred (2), changeover portion (3) and catalytic conversion stage (4), vehicle exhaust passes sequentially through low temperature plasma and occurs
Section (2), changeover portion (3) and catalytic conversion stage (4).
A kind of syllogic automobile exhaust gas processing apparatus the most according to claim 1, it is characterised in that described low-temperature plasma
Segment occurred (2) is internal is provided with low-temperature plasma generator (5), on the basis of it carries out pretreatment to pollutant in vehicle exhaust, and can
Improve the catalyst performance in catalytic conversion stage (4).
A kind of syllogic automobile exhaust gas processing apparatus the most according to claim 1, it is characterised in that described changeover portion (3)
Connecting low temperature plasma segment occurred (2) and catalytic conversion stage (4), its expansion angle is 15～40 degree.
A kind of syllogic automobile exhaust gas processing apparatus the most according to claim 1, it is characterised in that described catalytic conversion stage
(4) internal employing porous metalloceramic is as catalyst carrier (6), with catalyst (7) on carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610589074.2A CN106050367A (en) | 2016-07-19 | 2016-07-19 | Three-section type automotive exhaust treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610589074.2A CN106050367A (en) | 2016-07-19 | 2016-07-19 | Three-section type automotive exhaust treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106050367A true CN106050367A (en) | 2016-10-26 |
Family
ID=57416772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610589074.2A Pending CN106050367A (en) | 2016-07-19 | 2016-07-19 | Three-section type automotive exhaust treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106050367A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019768A (en) * | 2017-11-07 | 2018-05-11 | 哈尔滨理工大学 | A kind of two-stage type gas heater flue gas processing device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6557340B1 (en) * | 1998-10-09 | 2003-05-06 | Johnson Matthey Public Limited Company | System and method for purifying exhaust gases |
| CN1648425A (en) * | 2004-12-02 | 2005-08-03 | 南京大学 | Integrated low temperature plasma catalytic reactor for exhaust gas purification |
| CN101344026A (en) * | 2008-08-21 | 2009-01-14 | 上海交通大学 | System for low temperature plasma pre-oxidizing NOx of auxiliary NH3-SCR fine purification diesel engine |
| CN201610780U (en) * | 2009-11-23 | 2010-10-20 | 北京大正新智应用技术研究院 | Exhaust particle purifier for diesel engine vehicles |
| CN102588060A (en) * | 2003-04-02 | 2012-07-18 | 3M创新有限公司 | Exhaust system component having insulated double wall |
| CN103806991A (en) * | 2014-03-07 | 2014-05-21 | 上海舵杰汽车检测仪器有限公司 | Constant-temperature emission-reducing energy-saving device for diesel engine |
-
2016
- 2016-07-19 CN CN201610589074.2A patent/CN106050367A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6557340B1 (en) * | 1998-10-09 | 2003-05-06 | Johnson Matthey Public Limited Company | System and method for purifying exhaust gases |
| CN102588060A (en) * | 2003-04-02 | 2012-07-18 | 3M创新有限公司 | Exhaust system component having insulated double wall |
| CN1648425A (en) * | 2004-12-02 | 2005-08-03 | 南京大学 | Integrated low temperature plasma catalytic reactor for exhaust gas purification |
| CN101344026A (en) * | 2008-08-21 | 2009-01-14 | 上海交通大学 | System for low temperature plasma pre-oxidizing NOx of auxiliary NH3-SCR fine purification diesel engine |
| CN201610780U (en) * | 2009-11-23 | 2010-10-20 | 北京大正新智应用技术研究院 | Exhaust particle purifier for diesel engine vehicles |
| CN103806991A (en) * | 2014-03-07 | 2014-05-21 | 上海舵杰汽车检测仪器有限公司 | Constant-temperature emission-reducing energy-saving device for diesel engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108019768A (en) * | 2017-11-07 | 2018-05-11 | 哈尔滨理工大学 | A kind of two-stage type gas heater flue gas processing device |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161026 |