CN112502816A - Alloy catalyst carrier structure for engine tail gas treatment - Google Patents
Alloy catalyst carrier structure for engine tail gas treatment Download PDFInfo
- Publication number
- CN112502816A CN112502816A CN202011463138.7A CN202011463138A CN112502816A CN 112502816 A CN112502816 A CN 112502816A CN 202011463138 A CN202011463138 A CN 202011463138A CN 112502816 A CN112502816 A CN 112502816A
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- China
- Prior art keywords
- alloy
- groove
- engine exhaust
- conductor
- gas treatment
- 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
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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
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
- F01N3/2807—Metal other than sintered metal
- F01N3/281—Metallic honeycomb monoliths made of stacked or rolled sheets, foils or plates
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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
- F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
- F01N3/2013—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means
- F01N3/2026—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means directly electrifying the catalyst substrate, i.e. heating the electrically conductive catalyst substrate by joule effect
-
- 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
- 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
- F01N2240/16—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 electric heater, i.e. a resistance heater
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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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Catalysts (AREA)
Abstract
本发明公开了一种发动机尾气处理用合金催化剂载体结构,属于汽车尾气污染物减排技术领域，包括导电体、与导电体贴合的泡沫合金体以及与贴合在一起的导电体和泡沫合金体相接触并连接电极的载体夹具；所述导电体上设有槽体；所述泡沫合金体能够加热涂敷在其表面的催化剂，该发动机尾气处理用合金催化剂载体结构，结构简单，使用方便。
The invention discloses an alloy catalyst carrier structure for engine exhaust treatment, which belongs to the technical field of automobile exhaust pollutant emission reduction, and comprises an electric conductor, a foamed alloy body attached to the electric conductor, and an electric conductor and a foamed alloy body attached to the electric conductor. The carrier clamp is in contact with and connected to the electrode; the conductor is provided with a groove body; the foam alloy body can heat the catalyst coated on its surface. The alloy catalyst carrier structure for engine exhaust treatment has simple structure and convenient use.
Description
Technical Field
The invention belongs to the technical field of emission reduction of automobile exhaust pollutants, and particularly relates to an alloy catalyst carrier structure for engine exhaust treatment.
Background
The exhaust of a vehicle is one of important sources of air pollution, an after-treatment device is an important means for treating the exhaust of the vehicle, the most important parts in the after-treatment device are DOC, cDPF and SCR, the performances of the three filter elements are related to the temperature of the exhaust, the low-temperature performance is low, and the temperature of the exhaust is required to improve the working performance of the filter elements.
In the existing technology for controlling pollutant emission reduction in automobile exhaust emission, an exhaust catalytic treatment technology is adopted, namely a catalytic converter is arranged in an automobile exhaust emission pipe, the optimal working temperature of a catalyst is above 250 ℃, and otherwise, the catalytic conversion effect cannot be achieved; under the cold start of car, restart and short time parking after the intermittent type parkking, idle speed and the little load operating mode in the reality, exhaust emission temperature generally all is less than 250 ℃, and the catalyst is most inoperative or the effect is minimum, consequently, causes the exhaust emission to pollute and generally and a large amount of existence, uses resistance wire heating pottery as the carrier now, but the resistance wire heating is inhomogeneous, and shortcoming such as the programming rate is slow needs research and development a neotype catalyst carrier to solve current problem.
Disclosure of Invention
The invention aims to provide an alloy catalyst carrier structure for treating engine exhaust, which aims to solve the problems of nonuniform heating and low temperature rise speed of the conventional carrier.
In order to achieve the purpose, the invention provides the following technical scheme: an alloy catalyst carrier structure for treating engine tail gas comprises a conductor, a foam alloy body attached to the conductor and a carrier clamp which is in contact with the conductor and the foam alloy body and is connected with an electrode;
a groove body is arranged on the electric conductor;
the foamed alloy body is capable of heating a catalyst coated on a surface thereof.
Preferably, the conductor is circular.
Preferably, the edge of the electric conductor is provided with a convex part.
Preferably, the groove body comprises a second axial groove formed by cutting the central point of the conductor along the axis of the central point of the convex part, a first axial groove distributed in the same straight line with the second axial groove, two outer ring grooves symmetrically distributed on two sides of the first axial groove and the second axial groove, middle grooves symmetrically distributed on two sides of the first axial groove and the second axial groove and respectively located on the inner sides of the two outer ring grooves, and inner ring grooves symmetrically distributed on two sides of the first axial groove and located on the inner sides of the two middle grooves.
Preferably, the outer ring groove and the middle groove are both arc-shaped, and the inner ring groove is semicircular.
Preferably, the carrier fixture comprises an upper clamping piece, a lower clamping piece and a bolt for connecting the upper clamping piece and the lower clamping piece, wherein the upper clamping piece and the lower clamping piece respectively comprise an L-shaped fixed upper plate and a fixed lower plate which is integrally formed into a Z shape after being fixedly connected with the fixed upper plate.
Preferably, the shape and structure of the foamed alloy body are the same as the shape and structure of the electrical conductor.
Preferably, the material of the foam alloy body is alloy.
The invention has the technical effects and advantages that: this alloy catalyst carrier structure for engine exhaust gas treatment, simple structure, convenient to use, on the one hand, the foam alloy piece can heat the coating at its surperficial catalyst, compares resistance wire heating ceramic carrier, has realized direct ohmic heating catalyst, has improved the heating effect, and on the other hand, the electric conductor is equipped with protruding piece on the edgewise, makes the fixed of the foam alloy piece of electric conductor laminating more stable.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of the electrical conductor of the present invention;
FIG. 3 is a schematic structural view of a foamed alloy body of the present invention;
fig. 4 is a schematic structural view of the foam carrier holder of the present invention.
In the figure: 1. an electrical conductor; 2. a foamed alloy body; 3. a carrier fixture; 11. an outer ring groove; 12. an intermediate tank; 13. an inner ring groove; 14. a first axial slot; 15. a second axial slot; 16. a male member; 31. fixing the upper plate; 32. fixing the lower plate; 33. and (4) bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides an alloy catalyst carrier structure for treating engine exhaust, which comprises an electric conductor 1, a foam alloy body 2 attached to the electric conductor 1, and a carrier clamp 3 which is in contact with the electric conductor 1 and the foam alloy body 2 and is connected with an electrode, wherein the electric conductor 1 and the foam alloy body 2 are attached together; the carrier clamp 3 comprises an upper clamping piece, a lower clamping piece and a bolt 33 for connecting the upper clamping piece and the lower clamping piece, the upper clamping piece and the lower clamping piece are connected through the bolt 33 to form a fixed cavity, the upper clamping piece and the lower clamping piece respectively comprise an L-shaped fixed upper plate 31 and a Z-shaped fixed lower plate 32 which is integrally formed after being fixedly connected with the fixed upper plate 31, a through hole is formed in the fixed lower plate 32 and used for connecting the bolt 33, and a groove body is formed in the conductor 1;
in this embodiment, two electric conductors 1 and two foam alloy bodies 2 are used, the electric conductors 1, the foam alloy bodies 2, the second electric conductor 1 and the second foam alloy body 2 are arranged in sequence from bottom to bottom and are fixedly attached together by a carrier clamp 3, it is noted that the electric conductor 1 is circular, the electric conductor 1 is provided with a convex piece 16 along the edge, the groove body comprises a second axial groove 15 formed by cutting along the axis of the midpoint of the convex piece 16 to the center point of the electric conductor 1, a first axial groove 14 distributed in the same straight line with the second axial groove 15, two outer ring grooves 11 symmetrically distributed at two sides of the first axial groove 14 and the second axial groove 15, intermediate grooves 12 symmetrically distributed at two sides of the first axial groove 14 and the second axial groove 15 and respectively located at the inner sides of the two outer ring grooves 11, and inner ring grooves 13 symmetrically distributed at two sides of the first axial groove 14 and located at the inner sides of the two intermediate grooves 12, the shapes of the outer ring groove 11 and the middle groove 12 are both arc-shaped, the shape of the inner ring groove 13 is semicircular, the foam alloy body 2 can heat the catalyst coated on the surface of the foam alloy body, the shape and the structure of the foam alloy body 2 are the same as those of the electric conductor 1, and the foam alloy body 2 is made of alloy and is in a foam honeycomb shape, so that the heating is more uniform.
The working principle is as follows: the alloy catalyst carrier structure for treating the engine tail gas is characterized in that an electric conductor 1 and a foam alloy body 2 are mutually attached, wherein the electric conductor 1 is placed above the foam alloy body 2, groove bodies in the electric conductor 1 and the foam alloy body 2 are aligned, a fixing upper plate 31 of a carrier clamp 3 is attached to the upper end surface of a convex part 16 of the electric conductor 1, a fixing lower plate 32 of the carrier clamp 3 is attached to the lower end surface of the convex part 16 of the foam alloy body 2 and is fixed through a bolt 33, and then an electrode is connected to the bolt 33.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. An alloy catalyst carrier structure for engine exhaust treatment, which is characterized in that: the device comprises a conductor (1), a foam alloy body (2) attached to the conductor (1) and a carrier clamp (3) which is in contact with the conductor (1) and the foam alloy body (2) attached together and is connected with an electrode;
a groove body is arranged on the electric conductor (1);
the foamed alloy body (2) is capable of heating the catalyst coated on its surface.
2. The alloy catalyst support structure for engine exhaust gas treatment according to claim 1, characterized in that: the conductor (1) is circular.
3. The alloy catalyst support structure for engine exhaust gas treatment according to claim 2, characterized in that: and the edge of the electric conductor (1) is provided with a convex part (16).
4. The alloy catalyst support structure for engine exhaust gas treatment according to claim 1, characterized in that: the groove body comprises a second axial groove (15) formed by cutting the center point axis of the convex piece (16) towards the center point of the conductor (1), a first axial groove (14) distributed on the same straight line with the second axial groove (15), two outer ring grooves (11) symmetrically distributed on two sides of the first axial groove (14) and the second axial groove (15), middle grooves (12) symmetrically distributed on two sides of the first axial groove (14) and the second axial groove (15) and respectively located on the inner sides of the two outer ring grooves (11), and inner ring grooves (13) symmetrically distributed on two sides of the first axial groove (14) and located on the inner sides of the two middle grooves (12).
5. The alloy catalyst support structure for engine exhaust gas treatment according to claim 4, characterized in that: the outer ring groove (11) and the middle groove (12) are both arc-shaped, and the inner ring groove (13) is semicircular.
6. The alloy catalyst support structure for engine exhaust gas treatment according to claim 1, characterized in that: carrier clamp (3) include last clamping piece, lower clamping piece and be used for connecting the bolt 33 of clamping piece and lower clamping piece, go up clamping piece and lower clamping piece and all include fixed upper plate (31) of L type, with fixed upper plate (31) fixed connection back whole constitution Z type fixed hypoplastron (32).
7. The alloy catalyst support structure for engine exhaust gas treatment according to claim 1, characterized in that: the shape and the structure of the foam alloy body (2) are the same as those of the electric conductor (1).
8. The alloy catalyst support structure for engine exhaust gas treatment according to claim 1, characterized in that: the foam alloy body (2) is made of alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011463138.7A CN112502816A (en) | 2020-12-14 | 2020-12-14 | Alloy catalyst carrier structure for engine tail gas treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011463138.7A CN112502816A (en) | 2020-12-14 | 2020-12-14 | Alloy catalyst carrier structure for engine tail gas treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112502816A true CN112502816A (en) | 2021-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011463138.7A Pending CN112502816A (en) | 2020-12-14 | 2020-12-14 | Alloy catalyst carrier structure for engine tail gas treatment |
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| CN (1) | CN112502816A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087052A (en) * | 2021-11-13 | 2022-02-25 | 艾蓝腾新材料科技(上海)有限公司 | Electric heating catalytic device applied to engine tail gas treatment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1809134C (en) * | 1991-05-21 | 1993-04-15 | Центральный научно-исследовательский автомобильный и автомоторный институт | Vehicle internal combustion engine exhaust gas cleaning reactor |
| EP0658685A2 (en) * | 1993-12-17 | 1995-06-21 | Fleck, Carl Maria, Prof. Dr. | Device for separating soot particles from exhaust gases of internal combustion engines |
| CN2435518Y (en) * | 2000-07-12 | 2001-06-20 | 何洪 | Electric heating device for ternary catalytic convertor |
| TWM276106U (en) * | 2004-12-07 | 2005-09-21 | Chan Ting Prec Ind Co Ltd | Active catalyst transformer |
| KR101182356B1 (en) * | 2012-04-27 | 2012-09-20 | 한국기계연구원 | Plasma-catalytic reactor for removal of hazadous gases and removing method of hazadous gases using the same |
| WO2014030785A1 (en) * | 2012-08-23 | 2014-02-27 | 주식회사 알란텀 | Exhaust gas filtering device using metal foam heater |
| CN213743613U (en) * | 2020-12-14 | 2021-07-20 | 艾蓝腾新材料科技(上海)有限公司 | Alloy catalyst carrier structure for engine tail gas treatment |
-
2020
- 2020-12-14 CN CN202011463138.7A patent/CN112502816A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU1809134C (en) * | 1991-05-21 | 1993-04-15 | Центральный научно-исследовательский автомобильный и автомоторный институт | Vehicle internal combustion engine exhaust gas cleaning reactor |
| EP0658685A2 (en) * | 1993-12-17 | 1995-06-21 | Fleck, Carl Maria, Prof. Dr. | Device for separating soot particles from exhaust gases of internal combustion engines |
| CN2435518Y (en) * | 2000-07-12 | 2001-06-20 | 何洪 | Electric heating device for ternary catalytic convertor |
| TWM276106U (en) * | 2004-12-07 | 2005-09-21 | Chan Ting Prec Ind Co Ltd | Active catalyst transformer |
| KR101182356B1 (en) * | 2012-04-27 | 2012-09-20 | 한국기계연구원 | Plasma-catalytic reactor for removal of hazadous gases and removing method of hazadous gases using the same |
| WO2014030785A1 (en) * | 2012-08-23 | 2014-02-27 | 주식회사 알란텀 | Exhaust gas filtering device using metal foam heater |
| CN213743613U (en) * | 2020-12-14 | 2021-07-20 | 艾蓝腾新材料科技(上海)有限公司 | Alloy catalyst carrier structure for engine tail gas treatment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087052A (en) * | 2021-11-13 | 2022-02-25 | 艾蓝腾新材料科技(上海)有限公司 | Electric heating catalytic device applied to engine tail gas treatment |
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Application publication date: 20210316 |