CN104213960A - Irregular-shaped ceramic honeycomb carrier - Google Patents
Irregular-shaped ceramic honeycomb carrier Download PDFInfo
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- CN104213960A CN104213960A CN201410414316.5A CN201410414316A CN104213960A CN 104213960 A CN104213960 A CN 104213960A CN 201410414316 A CN201410414316 A CN 201410414316A CN 104213960 A CN104213960 A CN 104213960A
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- limit
- edge
- ceramic honeycomb
- honeycomb carrier
- irregular
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention relates to an irregular-shaped ceramic honeycomb carrier, which comprises an irregular-shaped cylindrical body formed by a first edge (1), a second edge (2), a third edge (3) and a fourth edge (11) in end-to-end connection, wherein air holes (4) are densely distributed in the cylindrical body in the axial line direction, one end of each air hole (4) is an opening (9), the other end of each air hole (4) is provided with a sealing and blocking surface (5), the sealing and blocking surfaces (5) and the openings (9) are in separated arrangement, a separation wall (6) is arranged between the two adjacent air holes (4), micro holes (7) in honeycomb-shaped distribution are formed in each separation wall (6), and a catalyst coating (10) coats the separation wall (6). The irregular-shaped ceramic honeycomb carrier has the advantages that the integrality is good, the filtering area is increased in a limited space to the maximum degree, in addition, the installation is convenient, the purification effect is good, black smoke particles in waste gas can be effectively filtered through the micro holes formed in the separation walls, in addition, the black smoke particles can be burnt out under the effect of the catalyst coatings, and the tail gas purification effect is further improved.
Description
Technical field
The present invention relates to a kind of irregular shape ceramic honeycomb carrier, for purifying vehicle exhaust.Belong to Ceramic manufacturing equipment technical field.
Background technique
At present, the automobile exhaust purifier of domestic and international unobstructed application, its catalyst carrier generally all adopts ceramic honeycomb carrier, and this carrier adds tackiness agent, burning mistake agent with synthesis of dichroite raw material, through mixing, pugging, extrude, dry, sintering, then impregnated catalyst is dry obtained again.During use, put into exhaust purifier metal shell stage casing.
Conventional ceramic honeycomb carrier is generally square cylinder, and when the ceramic honeycomb carrier of this kind of shape being loaded in the metal shell of exhaust purifier, often cause the space between ceramic honeycomb carrier and metal shell large, make exhaust purifier effectively can not utilize the space of automobile chassis, and some producers are in order to plug the gap, the ceramic honeycomb carrier of small dimension can be added in gap, this can cause the integrity of the ceramic honeycomb carrier in metallic case poor, increase the resistance in vent gas treatment process, reduce tail gas clean-up effect, and honeycomb substrate when mounted, complicated operation, efficiency is low, the pore of this kind of honeycomb substrate is clear opening simultaneously, to the waste-gas cleaning weak effect containing black smoke particle.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, provide a kind of irregular shape ceramic honeycomb carrier, this ceramic honeycomb carrier good integrity, good purification, easy for installation.
The object of the present invention is achieved like this:
A kind of irregular shape ceramic honeycomb carrier, comprise cylindrical body, be characterized in: the cross section of described cylindrical body is irregular shape, comprise the first limit of end-to-end, Second Edge, 3rd limit and the 4th limit, described first limit, Second Edge, the joint on the 3rd limit and the 4th limit adopts round-corner transition, described first limit, the both sides elongation line on Second Edge and the 4th limit intersects formation right-angled triangle, described cylindrical body is densely covered with pore in the axial direction, one end of described pore is opening, the other end is provided with shutoff face, described shutoff face and open space are arranged, next door is provided with between described adjacent two pores 4, next door has the micropore in cellular arrangement, next door is coated with catalyst coat.
A kind of irregular shape ceramic honeycomb carrier of the present invention, the hole count of its pore is 600 holes/square inch.
A kind of irregular shape ceramic honeycomb carrier of the present invention, the thickness in its next door is 0.13 ~ 0.14mm.
Compared with prior art, the invention has the beneficial effects as follows:
A kind of irregular shape ceramic honeycomb carrier of the present invention, good integrity, increases filter area to greatest extent in the confined space, and easy for installation, good purification; Micropore on next door can black smoke particle effectively in filtering exhaust, and under the effect of catalyst coat black smoke particle can burned fall, further increase tail gas clean-up effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of irregular shape ceramic honeycomb carrier of the present invention.
Fig. 2 is the partial axial section figure of a kind of irregular shape ceramic honeycomb carrier of the present invention.
Fig. 3 is the structural representation in next door of the present invention.
In figure:
First limit 1,
Second Edge 2,
3rd limit 3,
Pore 4,
Shutoff face 5,
Next door 6,
Micropore 7,
Tail gas 8,
Opening 9,
Catalyst coat 10,
4th limit 11.
Embodiment
See Fig. 1-3, the present invention relates to a kind of irregular shape ceramic honeycomb carrier, it comprises cylindrical body, the cross section of described cylindrical body is irregular shape, comprise the first limit 1 of end-to-end, Second Edge 2, 3rd limit 3 and the 4th limit 11, described first limit 1, Second Edge 2, the joint on the 3rd limit 3 and the 4th limit 11 adopts round-corner transition, described first limit 1, the both sides elongation line on Second Edge 2 and the 4th limit 11 intersects formation right-angled triangle, described cylindrical body is densely covered with pore 4 in the axial direction, one end of described pore 4 is opening 9, the other end is provided with shutoff face 5, described shutoff face 5 and opening 9 interval are arranged, next door 6 is provided with between described adjacent two pores 4, next door 6 has the micropore 7 in cellular arrangement, next door 6 is coated with catalyst coat 10.
Wherein, the hole count of pore 4 is 600 holes/square inch, and the thickness in next door 6 is 0.13 ~ 0.14mm.
Working principle: the present invention adopts cordierite to be made into honeycomb ceramic carrier, and be built in exhaust purifier of diesel engine, the waste gas with black smoke particle that diesel engine is discharged enters from the opening 9 of pore 4, because pore 4 is at one end opening 9, then shutoff face 5 at the other end, therefore waste gas can by the next door 6 with micropore 7, then discharge from the opening 9 of adjacent air holes 4, due to the diameter of black smoke particle, comparatively micropore 7 is large, therefore the black smoke particle in waste gas will be filtered and catch on next door 6, and air-flow then passes from micropore 7.
The active rare earth of described catalyst coat 10 containing precious metal, Main Ingredients and Appearance has Pt, Pd, Rh, Al
2o
3, Ce, La, Zr, Cu, Mn, when the waste gas (being mainly the harmful gases such as CO, HC, NOx) of diesel combustion is through micropore 7, the catalyst coat 10 be coated on next door 6 will strengthen CO, HC, NO
xthe activity of three kinds of gases, impel it to carry out certain oxidationreduction chemical reaction, wherein CO is at high temperature oxidized to colourless nontoxic carbon dioxide, and HC compound at high temperature resolves into water (H
2o) and carbon dioxide, NO
xbe reduced into nitrogen and oxygen.
When diesel exhaust gas temperature reaches 375 degrees Celsius; under the effect of catalyst coat 10; black smoke particle on next door 6 can progressively burn and be oxidized; the purification ratio of black smoke particle about reaches more than 85%; catalyzer and black smoke particle reaction when reaction temperature reaches 500 degrees Celsius thus perfect combustion are fallen (catalytic combustion), and now the purification ratio of black smoke particle can reach more than 90%.
Claims (3)
1. an irregular shape ceramic honeycomb carrier, comprise cylindrical body, it is characterized in that: the cross section of described cylindrical body is irregular shape, comprise first limit (1) of end-to-end, Second Edge (2), 3rd limit (3) and the 4th limit (11), described first limit (1), Second Edge (2), the joint on the 3rd limit (3) and the 4th limit (11) adopts round-corner transition, described first limit (1), the both sides elongation line on Second Edge (2) and the 4th limit (11) intersects formation right-angled triangle, described cylindrical body is densely covered with pore (4) in the axial direction, one end of described pore (4) is opening (9), the other end is provided with shutoff face (5), described shutoff face (5) and opening (9) interval are arranged, next door (6) is provided with between described adjacent two pores (4), next door (6) has the micropore (7) in cellular arrangement, next door (6) is coated with catalyst coat (10).
2. the irregular shape ceramic honeycomb carrier of one according to claim 1, is characterized in that: the hole count of described pore (4) is 600 holes/square inch.
3. the irregular shape ceramic honeycomb carrier of one according to claim 1 and 2, is characterized in that: the thickness of described next door (6) is 0.13 ~ 0.14mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410414316.5A CN104213960A (en) | 2014-08-22 | 2014-08-22 | Irregular-shaped ceramic honeycomb carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410414316.5A CN104213960A (en) | 2014-08-22 | 2014-08-22 | Irregular-shaped ceramic honeycomb carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104213960A true CN104213960A (en) | 2014-12-17 |
Family
ID=52095819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410414316.5A Pending CN104213960A (en) | 2014-08-22 | 2014-08-22 | Irregular-shaped ceramic honeycomb carrier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104213960A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108290314A (en) * | 2015-11-30 | 2018-07-17 | 康宁股份有限公司 | Carrier and method for honeycomb ceramics |
-
2014
- 2014-08-22 CN CN201410414316.5A patent/CN104213960A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108290314A (en) * | 2015-11-30 | 2018-07-17 | 康宁股份有限公司 | Carrier and method for honeycomb ceramics |
| CN108290314B (en) * | 2015-11-30 | 2021-03-12 | 康宁股份有限公司 | Carrier and method for honeycomb bodies |
| US10994934B2 (en) | 2015-11-30 | 2021-05-04 | Corning Incorporated | Carrier for honeycomb body and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141217 |