CN204152604U - Cylindrical ceramic honeycomb substrate - Google Patents
Cylindrical ceramic honeycomb substrate Download PDFInfo
- Publication number
- CN204152604U CN204152604U CN201420455546.1U CN201420455546U CN204152604U CN 204152604 U CN204152604 U CN 204152604U CN 201420455546 U CN201420455546 U CN 201420455546U CN 204152604 U CN204152604 U CN 204152604U
- Authority
- CN
- China
- Prior art keywords
- next door
- ceramic honeycomb
- honeycomb substrate
- cylindrical
- pore
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model relates to a kind of cylindrical ceramic honeycomb substrate.It comprises cylindrical cylindrical body, cylindrical body is densely covered with pore (1) in the axial direction, one end of pore (1) is opening (6), the other end is provided with shutoff face (2), shutoff face (2) and opening (6) interval are arranged, adjacent two pores (1) are provided with next door (3), next door (3) have in cellular micropore (4), next door (3) are coated with catalyst coat (7).A kind of cylindrical ceramic honeycomb substrate of the utility model, 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.
Description
Technical field
The utility model relates to a kind of cylindrical ceramic honeycomb substrate, 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 purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of cylindrical ceramic honeycomb substrate, this ceramic honeycomb carrier good integrity, good purification and easy for installation.
The purpose of this utility model is achieved in that
A kind of cylindrical ceramic honeycomb substrate, comprise cylindrical body, feature is: described cylindrical body is cylindrical, described cylindrical body is densely covered with pore in the axial direction, and one end of described pore is opening, and the other end is provided with shutoff face, described shutoff face and open space are arranged, described adjacent two pores are provided with next door, next door has in cellular micropore, next door is coated with catalyst coat.
A kind of cylindrical ceramic honeycomb substrate of the utility model, the hole count of its pore is 600 holes/square inch.
A kind of cylindrical ceramic honeycomb substrate of the utility model, the thickness in its next door is 0.13 ~ 0.14mm.
Compared with prior art, the beneficial effects of the utility model are:
A kind of cylindrical ceramic honeycomb substrate of the utility model, 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 schematic cross-section of a kind of cylindrical ceramic honeycomb substrate of the utility model.
Fig. 2 is the partial axial section figure of a kind of cylindrical ceramic honeycomb substrate of the utility model.
Fig. 3 is the structural representation in next door of the present utility model.
In figure:
Pore 1,
Shutoff face 2,
Next door 3,
Micropore 4,
Tail gas 5,
Opening 6,
Catalyst coat 7.
Embodiment
See Fig. 1-3, the utility model relates to a kind of cylindrical ceramic honeycomb substrate, it comprises cylindrical cylindrical body, described cylindrical body is densely covered with pore 1 in the axial direction, and one end of described pore 1 is opening 6, and the other end is provided with shutoff face 2, described shutoff face 2 and opening 6 interval are arranged, described adjacent two pores 1 are provided with next door 3, next door 3 have in cellular micropore 4, next door 3 are coated with catalyst coat 7.
Wherein, the hole count of pore 1 is 600 holes/square inch, and the thickness in next door 3 is 0.13 ~ 0.14mm.
Working principle: the utility model 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 6 of pore 1, because pore 1 is at one end opening 6, then shutoff face 2 at the other end, therefore waste gas can by the next door 3 with micropore 4, then discharge from the opening 6 of adjacent air holes 1, due to the diameter of black smoke particle, comparatively micropore 4 is large, therefore the black smoke particle in waste gas will be filtered and catch on next door 3, and air-flow then passes from micropore 4.
The active rare earth of described catalyst coat 7 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 4, the catalyst coat 7 be coated on next door 3 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 7; black smoke particle on next door 3 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. a cylindrical ceramic honeycomb substrate, comprise cylindrical body, it is characterized in that: described cylindrical body is cylindrical, described cylindrical body is densely covered with pore (1) in the axial direction, one end of described pore (1) is opening (6), the other end is provided with shutoff face (2), described shutoff face (2) and opening (6) interval are arranged, described adjacent two pores (1) are provided with next door (3), next door (3) has in cellular micropore (4), next door (3) are coated with catalyst coat (7).
2. a kind of cylindrical ceramic honeycomb substrate according to claim 1, is characterized in that: the hole count of described pore (1) is 600 holes/square inch.
3. a kind of cylindrical ceramic honeycomb substrate according to claim 1 and 2, is characterized in that: the thickness of described next door (3) is 0.13 ~ 0.14mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420455546.1U CN204152604U (en) | 2014-08-13 | 2014-08-13 | Cylindrical ceramic honeycomb substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420455546.1U CN204152604U (en) | 2014-08-13 | 2014-08-13 | Cylindrical ceramic honeycomb substrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204152604U true CN204152604U (en) | 2015-02-11 |
Family
ID=52510728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420455546.1U Expired - Fee Related CN204152604U (en) | 2014-08-13 | 2014-08-13 | Cylindrical ceramic honeycomb substrate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204152604U (en) |
-
2014
- 2014-08-13 CN CN201420455546.1U patent/CN204152604U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150211 Termination date: 20200813 |