CN109763878A - A kind of catalytic converter for automobile controlled discharge volume - Google Patents
A kind of catalytic converter for automobile controlled discharge volume Download PDFInfo
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- CN109763878A CN109763878A CN201910077213.7A CN201910077213A CN109763878A CN 109763878 A CN109763878 A CN 109763878A CN 201910077213 A CN201910077213 A CN 201910077213A CN 109763878 A CN109763878 A CN 109763878A
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- China
- Prior art keywords
- cabin
- discharge volume
- controlled discharge
- layer
- catalytic converter
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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
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- Exhaust Gas After Treatment (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a kind of catalytic converters for automobile controlled discharge volume, including expansion block, probe, ceramic cabin, the expansion block is in the outside of catalyst, isolating seal cabin, and firm shell is provided for cabin, most external is stainless steel casing；The probe is the entrance in converter, measures the residual oxygen in exhaust gas；There are two cabins in the ceramics cabin, in converter center, the design of the cabin honeycomb structure, matrix as catalytic precious metal, structure of the invention is novel in design, is the design of the honeycomb structure of an entirety, it is therefore an objective to increase the contact area between the gas and catalyst to be discharged, conversion reaction is set quickly to carry out, to reach controlled discharge volume.
Description
Technical field
The present invention is motor vehicle emission environmental technology field, specially a kind of catalyzed conversion for automobile controlled discharge volume
Device.
Background technique
In process of industrialization, huge transformation is had occurred in the life style of the mankind.Carriage is completely by petrol power automobile
It is replaced.Replaced the manufactured product that hand work is mass produced.This human civilization huge advance is by making extensively
It is realized with fossil fuel；However, this progress also inevitably causes a great problem, i.e. air pollution,
This has become the topic of recent prevalence.
Air pollution caused by more and more vehicles causes metropolitan some environmental problems, such as acid rain and smog,
And many other and healthy related problem, such as lung cancer and asthma；Global emission control regulations become increasingly tighter
Lattice, this promotes the performance of catalytic converter to be continuously improved.
Existing vehicle maintenance service technology does not comply with one's wishes, and effect is general, compared with developed countries, there is certain gap, this hair
Bright is the design using new catalytic converter, can effectively reduce noxious gas emission, play positive effect to environmental protection.
Summary of the invention
The purpose of the present invention is to provide a kind of catalytic converters for automobile controlled discharge volume, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the invention provides the following technical scheme: to achieve the above object, the present invention provides following skill
Art scheme: a kind of catalytic converter for automobile controlled discharge volume, including expansion block, probe, ceramic cabin, feature exist
In: the left and right ends of the expansion block are respectively equipped with air inlet and exhaust outlet, and the expansion block is by multilayer composite layer pressure
It closes and is formed, set gradually high-temperature-resistant layer, stainless steel casing layer outward by interior；The probe is connected on air inlet；The pottery
It is equipped with the first cabin and the second cabin in porcelain cabin, is equipped with one layer of catalyst layer on the channel surface of cabin interior.
Preferably, first cabin makes of corrugated metal band, corrugated ribbon is coiled on a main shaft and is made, material
Material selection is FeCrAl alloy, is mainly made of iron, in addition suitable chromium (20% to 30%) and a small amount of aluminium (4-
7.5%) or selection is synthesis of dichroite, and chemical formula is 2MgO x 2Al2O3 x 5SiO2.
Preferably, second cabin, ceramic cabin are the prefabricated honeycombs obtained by one by drying and calcination
Groove body is by squeezing formation.
Preferably, the high-temperature-resistant layer uses polishing, goes the niobium sheet of oil processing as filler；One is coated in the niobium sheet
Layer high temperature resistant damping paint comprising following raw material: polyacrylic water-proof emulsion 32%, plasticity acrylic emulsion 8%, coalescing agent
5%, adhesive 5%, anticorrosive packing 12% and fire retardant 38%.
Preferably, the stainless steel casing layer is made of austenite and ferrite, accounting 1:1；The austenite and iron
Ferritic is made of following raw material: Cr content in 28%, Ni content in 10%, Mo12%, Cu16%, Si11%, Nb13%, Ti3%,
N7%。
Preferably, the catalyst layer is under the high surface area that cabin interior structure and backing material provide, the high table
Area includes following raw material: aluminium oxide 55%, SiO2-Al2O3 account for 12%, red bauxite 3%, carclazyte 10%, magnesia 2%, silica gel 8%,
Active carbon 10%.
Compared with prior art, the beneficial effects of the present invention are:
(1) structure of the invention is novel in design, is the design of the honeycomb structure of an entirety, it is therefore an objective to increase the gas to be discharged
Contact area between body and catalyst enables conversion reaction quickly to carry out, to reach controlled discharge volume；
(2) the ad hoc high-temperature-resistant layer of the present invention is environmentally protective, harmless, there is excellent high temperature resistance, can be long-term
It is used under high temperature, while it also has antiseptic property, hardness is high, and wearability is good；
(3) the ad hoc stainless steel casing layer plasticity of the present invention, toughness are higher, no brittleness at room temperature, intergranular corrosion resistance performance and welding
Performance is significantly increased, while also maintaining the 475 DEG C of brittleness and thermal coefficient height of ferritic stainless steel, has superplasticity etc.
Feature；
(4) the ad hoc catalyst layer of the present invention, can make catalytic active substance obtain good accessible property in catalyst layer.
Detailed description of the invention
Fig. 1 is overall structure of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig. 1 present invention and a kind of technical solution is provided: a kind of catalytic converter for automobile controlled discharge volume,
A kind of design of the catalytic converter for automobile controlled discharge volume, including expansion block 1, probe 2, ceramic cabin 3, it is described swollen
The left and right ends of swollen pad 1 are respectively equipped with air inlet a and exhaust outlet b, and the expansion block 1 is pressed by multilayer composite layer to be formed,
In the outside of catalyst, be used for isolating seal cabin, and firm shell is provided for cabin, by it is interior outward successively
Setting high-temperature-resistant layer 4, stainless steel casing layer 5 play shock-absorbing protecting；The probe 2 is connected on air inlet a, is used to measure
Residual oxygen in exhaust gas；It is equipped with the first cabin 6 and the second cabin 7 in the ceramics cabin 3, is located in converter center,
Cabin is in the design of honeycomb structure, and as the matrix of catalytic precious metal, it is anti-that Carbon monoxide reduction occurs for first cabin 6
It answers, oxidation reaction occurs in the second cabin 7, remaining carbon monoxide and unreacted hydrocarbon can be completely removed,
It is catalyst layer 8 that, which there is additional material coating on the channel surface of cabin interior,.
In the present embodiment, first cabin 6 makes of corrugated metal band, and corrugated ribbon is coiled on a main shaft and is made
At material selection is FeCrAl alloy, is mainly made of iron, in addition suitable chromium (20% to 30%) and a small amount of aluminium
(4 – 7.5%).Or selection is synthesis of dichroite, chemical formula is 2MgO x 2Al2O3 x 5SiO2.
In the present embodiment, the ceramic cabin in second cabin 7 be obtained by one by drying and calcination it is prefabricated
Honeycomb groove body is by squeezing formation.
In the present embodiment, the high-temperature-resistant layer 4 uses polishing, goes the niobium sheet of oil processing as filler；In the niobium sheet
Be coated with one layer of high temperature resistant damping paint comprising following raw material: polyacrylic water-proof emulsion 32%, plasticity acrylic emulsion 8%, at
Film auxiliary agent 5%, adhesive 5%, anticorrosive packing 12% and fire retardant 38%；It has excellent high temperature resistance, being capable of long term high temperature
Lower use.
In the present embodiment, the stainless steel casing layer 5 is made of austenite and ferrite, accounting 1:1；The austenite
Be made of with ferrite following raw material: Cr content 28%, Ni content 10%, Mo12%, Cu16%, Si11%, Nb13%,
Ti3%, N7%, plasticity, toughness are higher.
In the present embodiment, the catalyst layer 8 is described under the high surface area that cabin interior structure and backing material provide
High surface area includes following raw material: aluminium oxide 55%, SiO2-Al2O3 account for 12%, red bauxite 3%, carclazyte 10%, magnesia 2%, silica gel
8%, active carbon 10%;Catalytic active substance can be made to obtain good accessible property in catalyst layer.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of catalytic converter for automobile controlled discharge volume, including expansion block (1), probe (2), ceramic cabin (3),
Be characterized in that: the left and right ends of the expansion block (1) are respectively equipped with air inlet (a) and exhaust outlet (b), and the expansion block (1) is
It is pressed and is formed by multilayer composite layer, set gradually high-temperature-resistant layer (4), stainless steel casing layer (5) outward by interior；The spy
Needle (2) is connected on air inlet (a)；The first cabin (6) and the second cabin (7) are equipped in the ceramics cabin (3), in cabin
The channel surface in portion is equipped with one layer of catalyst layer (8).
2. a kind of catalytic converter for automobile controlled discharge volume according to claim 1, it is characterised in that: described
One cabin (6) is made by corrugated metal band, and corrugated ribbon is coiled on a main shaft and is made, and the corrugated metal band uses
FeCrAl alloy is made, and is mainly made of iron, in addition suitable chromium (20% to 30%) and a small amount of aluminium (4-
7.5%) or selection is synthesis of dichroite, and chemical formula is 2MgO x 2Al2O3 x 5SiO2.
3. a kind of catalytic converter for automobile controlled discharge volume according to claim 1, it is characterised in that: described
Two cabins (7) ceramics cabin is formed by the prefabricated honeycomb groove body that drying and calcination obtain by squeezing by one.
4. a kind of catalytic converter for automobile controlled discharge volume according to claim 1, it is characterised in that: described resistance to
Heat zone (4) uses polishing, goes the niobium sheet of oil processing as filler；One layer of high temperature resistant damping paint is coated in the niobium sheet,
It includes following raw material: polyacrylic water-proof emulsion 32%, plasticity acrylic emulsion 8%, coalescing agent 5%, adhesive 5%, anti-corrosion
Filler 12% and fire retardant 38%.
5. a kind of catalytic converter for automobile controlled discharge volume according to claim 1, it is characterised in that: it is described not
Rust outer steel shell layer (5) is made of austenite and ferrite, accounting 1:1；The austenite and ferrite are by following raw material group
At: Cr content is in 28%, Ni content in 10%, Mo12%, Cu16%, Si11%, Nb13%, Ti3%, N7%.
6. a kind of catalytic converter for automobile controlled discharge volume according to claim 1, it is characterised in that: described to urge
For agent layer (8) under the high surface area that cabin interior structure and backing material provide, the high surface area includes following raw material: oxygen
Change aluminium 55%, SiO2-Al2O3 accounts for 12%, red bauxite 3%, carclazyte 10%, magnesia 2%, silica gel 8%, active carbon 10%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910077213.7A CN109763878A (en) | 2019-01-28 | 2019-01-28 | A kind of catalytic converter for automobile controlled discharge volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910077213.7A CN109763878A (en) | 2019-01-28 | 2019-01-28 | A kind of catalytic converter for automobile controlled discharge volume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109763878A true CN109763878A (en) | 2019-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910077213.7A Pending CN109763878A (en) | 2019-01-28 | 2019-01-28 | A kind of catalytic converter for automobile controlled discharge volume |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86101187A (en) * | 1985-03-18 | 1986-09-17 | 康宁玻璃厂 | The manufacture method of monolithic catalyst support with high surface phase of integration |
| CN101349183A (en) * | 2007-07-20 | 2009-01-21 | 霓佳斯株式会社 | Catalytic converter, holding material for catalytic converter and production method thereof |
| CN201902255U (en) * | 2010-12-22 | 2011-07-20 | 上海伊索热能技术有限公司 | Gasket of automobile catalytic converter |
| CN102149842A (en) * | 2008-09-11 | 2011-08-10 | 蒂森克虏伯尼罗斯塔有限公司 | Stainless steel, cold strip produced from said steel, and method for producing a flat steel product from said steel |
| CN102695815A (en) * | 2009-11-02 | 2012-09-26 | Ati资产公司 | Lean austenitic stainless steel |
| CN105199510A (en) * | 2015-09-22 | 2015-12-30 | 天长市开林化工有限公司 | High-strength wear-resistant flame-retardant water-based paint and preparation method thereof |
| CN105295625A (en) * | 2015-10-30 | 2016-02-03 | 阜南县永兴工艺品有限公司 | High-temperature-resisting anti-flaming wicker treating agent and preparation method thereof |
| CN105492107A (en) * | 2013-08-22 | 2016-04-13 | 丰田自动车株式会社 | Catalytic converter |
-
2019
- 2019-01-28 CN CN201910077213.7A patent/CN109763878A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86101187A (en) * | 1985-03-18 | 1986-09-17 | 康宁玻璃厂 | The manufacture method of monolithic catalyst support with high surface phase of integration |
| CN101349183A (en) * | 2007-07-20 | 2009-01-21 | 霓佳斯株式会社 | Catalytic converter, holding material for catalytic converter and production method thereof |
| CN102149842A (en) * | 2008-09-11 | 2011-08-10 | 蒂森克虏伯尼罗斯塔有限公司 | Stainless steel, cold strip produced from said steel, and method for producing a flat steel product from said steel |
| CN102695815A (en) * | 2009-11-02 | 2012-09-26 | Ati资产公司 | Lean austenitic stainless steel |
| CN201902255U (en) * | 2010-12-22 | 2011-07-20 | 上海伊索热能技术有限公司 | Gasket of automobile catalytic converter |
| CN105492107A (en) * | 2013-08-22 | 2016-04-13 | 丰田自动车株式会社 | Catalytic converter |
| CN105199510A (en) * | 2015-09-22 | 2015-12-30 | 天长市开林化工有限公司 | High-strength wear-resistant flame-retardant water-based paint and preparation method thereof |
| CN105295625A (en) * | 2015-10-30 | 2016-02-03 | 阜南县永兴工艺品有限公司 | High-temperature-resisting anti-flaming wicker treating agent and preparation method thereof |
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| 何杰: "《工业催化》", 31 August 2014, 中国矿业大学出版社 * |
| 李安敏: "《金属材料学》", 30 April 2017, 电子科技大学出版社 * |
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Application publication date: 20190517 |
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