CN107542529A - Environment-friendly type exhaust gas filter - Google Patents
Environment-friendly type exhaust gas filter Download PDFInfo
- Publication number
- CN107542529A CN107542529A CN201610470435.1A CN201610470435A CN107542529A CN 107542529 A CN107542529 A CN 107542529A CN 201610470435 A CN201610470435 A CN 201610470435A CN 107542529 A CN107542529 A CN 107542529A
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- China
- Prior art keywords
- exhaust gas
- environment
- friendly type
- screen pack
- type exhaust
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- 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.)
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- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The present invention relates to a kind of environment-friendly type exhaust gas filter.It includes Rose Box（1）, the Rose Box（1）Inside it is provided with the first screen pack（2）, ceramic honeycomb carrier（3）With the second screen pack（7）.A kind of environment-friendly type exhaust gas filter of the present invention, under screen pack and ceramic honeycomb carrier double-filtration, by the tail gas that main component is CO, HC, NOx, react into CO2、H2O、N2And O2, while the micropore on next door can effectively filter the black smoke particle in waste gas, and black smoke particle can be burned off in the presence of catalyst coat, further increase tail gas clean-up effect.
Description
Technical field
The present invention relates to a kind of environment-friendly type exhaust gas filter, for purifying vehicle exhaust.Belong to automobile equipment technical field.
Background technology
At present, common car tail-gas filter, it is expelled directly out without filtering, otherwise is exactly filter
It is improper, it is easy to lead and put air pollution and noise pollution；Particularly, the automobile of diesel engine is equipped with, due to diesel engine
Contain black smoke particle in the tail gas of machine, existing exhaust gas filter can not effectively filter black smoke particle, can so cause environment dirty
Dye.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency, there is provided a kind of environment-friendly type exhaust gas filter, this exhaust gas filter
Black smoke particle, and black smoke particle at high temperature can be also filtered while CO, HC, NOx pernicious gas in filtering vehicle exhaust
It can progressively burn and aoxidize.
The object of the present invention is achieved like this：
A kind of environment-friendly type exhaust gas filter, including Rose Box, it is characterised in that：The Rose Box interior edge airflow direction is set gradually
There are the first screen pack, ceramic honeycomb carrier and the second screen pack, the section of the Rose Box includes the first arc-shaped edges, the second circular arc
Side, the first hypotenuse and the second hypotenuse, first arc-shaped edges, the second hypotenuse, the second arc-shaped edges and the first hypotenuse head and the tail phase successively
Even, connecting place uses round-corner transition, and the ceramic honeycomb carrier is densely covered with stomata in the axial direction, and one end of the stomata is to open
Mouthful, the other end is provided with closure face, and the closure face and open space arrangement, the two neighboring stomata are provided with next door, every
It is provided with wall in cellular micropore, catalyst coat is coated with next door.
A kind of environment-friendly type exhaust gas filter of the present invention, the hole count of its stomata is 600 holes/square inch.
A kind of environment-friendly type exhaust gas filter of the present invention, the thickness in its next door is 0.13 ~ 0.14mm.
A kind of environment-friendly type exhaust gas filter of the present invention, its first screen pack are made of copper monoxide material.
A kind of environment-friendly type exhaust gas filter of the present invention, its special second screen pack are made of absorbent charcoal material.
Compared with prior art, the beneficial effects of the invention are as follows：
A kind of environment-friendly type exhaust gas filter of the present invention, in the three-stage filtration of the first screen pack, ceramic honeycomb carrier and the second filtering
Under, by the tail gas that main component is CO, HC, NOx, react into CO2、H2O、N2And O2, while the micropore on next door can be filtered effectively
Black smoke particle in waste gas, and black smoke particle can be burned off in the presence of catalyst coat, and it is net to further increase tail gas
Change effect.
Brief description of the drawings
Fig. 1 is a kind of structural representation of environment-friendly type exhaust gas filter of the present invention.
Fig. 2 is Fig. 1 left view.
Fig. 3 is the schematic cross-section of the ceramic honeycomb carrier of the present invention.
Fig. 4 is the partial axial section figure of the ceramic honeycomb carrier of the present invention.
Fig. 5 is the structural representation in the next door of the ceramic honeycomb carrier of the present invention.
In figure：
Rose Box 1,
First arc-shaped edges 1.1,
Second arc-shaped edges 1.2,
First hypotenuse 1.3,
Second hypotenuse 1.4,
First screen pack 2,
Ceramic honeycomb carrier 3,
Stomata 3.1,
Closure face 3.2,
Next door 3.3,
Micropore 3.4,
Catalyst coat 3.5
Opening 3.6,
Inlet exhaust gas 4,
Offgas outlet 5,
Tail gas 6,
Second screen pack 7.
Embodiment
Referring to Fig. 1-5, the present invention relates to a kind of environment-friendly type exhaust gas filter, and it includes Rose Box 1, the first screen pack 2, pottery
The screen pack 7 of porcelain honeycomb substrate 3 and second, the left end of Rose Box 1 are inlet exhaust gas 4, and right-hand member is offgas outlet 5, first mistake
Filter screen 2, the screen pack 7 of ceramic honeycomb carrier 3 and second are arranged in Rose Box 1, and the first screen pack 2 is at inlet exhaust gas 4, and
For two screen packs 7 at offgas outlet, the Rose Box 1 includes the first arc-shaped edges 1.1, the second arc-shaped edges 1.2, the first hypotenuse
1.3 and second hypotenuse 1.4, first arc-shaped edges 1.1, the second hypotenuse 1.4, the second arc-shaped edges 1.2 and the first hypotenuse 1.3 are successively
Join end to end, connecting place uses round-corner transition, and the shape of the ceramic honeycomb carrier 3 is corresponding with Rose Box 1, and ceramic honeycomb carries
Body 3 is densely covered with stomata 3.1 in the axial direction, and one end of the stomata 3.1 is opening 3.6, and the other end is provided with closure face 3.2,
The closure face 3.2 and the arranged for interval of opening 3.6, the two neighboring stomata 3.1 are provided with next door 3.3, are provided with next door 3.3
In cellular micropore 3.4, catalyst coat 3.5 is coated with next door 3.3.
Wherein, the hole count of stomata 3.1 is 600 holes/square inch, and the thickness in next door 3.3 is 0.13 ~ 0.14mm.
First screen pack 2 is made of copper monoxide material, and the second screen pack 7 is made of absorbent charcoal material.By
There is very strong oxidisability in copper monoxide, so when the carbon monoxide with reproducibility is run into moment will be carried out to it
Oxidation, produce and do not pollute the carbon dioxide of air, whole process is exactly a redox process, the second screen pack 7
The first screen pack 2 and 3 untreated CO gas of ceramic honeycomb carrier can be carried out for the screen pack with activated carbon
Absorption.
Operation principle：The present invention is fabricated to honeycomb ceramic carrier using cordierite, and is built in diesel engine vent gas purification
In device, the waste gas inlet exhaust gas 4 with black smoke particle of diesel engine discharge enters, by the one-level mistake of the first screen pack 2
Filter, secondary filtration is carried out subsequently into ceramic honeycomb carrier 3, tail gas enters from the opening 3.6 of stomata 3.1, because stomata 3.1 exists
One end is opening 3.6, and is then closure face 3.2 in the other end, therefore waste gas can be by the next door 3.3 with micropore 3.4, then
Discharged from the opening 3.6 of adjacent air holes 3.1, because the diameter of black smoke particle is big compared with micropore 3.4, therefore the black smoke particle in waste gas
It will be caught by filtering on next door 3.3, air-flow then passes through from micropore 3.4, and the waste gas discharged from ceramic honeycomb carrier 3 enters second
Screen pack 7 carries out three-stage filtration, and the carbon monoxide of residual is adsorbed.
Active rare earth of the catalyst coat 3.5 containing noble metal, Main Ingredients and Appearance have Pt, Pd, Rh, Al2O3、Ce、La、
Zr, Cu, Mn, the waste gas of diesel combustion（The predominantly pernicious gas such as CO, HC, NOx）During through micropore 3.4, next door is coated
Catalyst coat 3.5 on 3.3 will strengthen CO, HC, NOxThe activity of three kinds of gas, it is promoted to carry out certain oxidationreduction
Reaction is learned, wherein CO is oxidized to colourless nontoxic carbon dioxide at high temperature, and HC compounds resolve into water at high temperature
（H2O）And carbon dioxide, NOxIt is reduced into nitrogen and oxygen.
When diesel exhaust gas temperature reaches 375 degrees Celsius, in the presence of catalyst coat 3.5, on next door 3.3
Black smoke particle can progressively burn and aoxidize, and the purifying rate of black smoke particle about reaches more than 85%, is taken the photograph when reaction temperature reaches 500
Catalyst and black smoke particle reaction when family name spends are so that completely burned is fallen（Catalysis burning）, now the purifying rate of black smoke particle is reachable
More than 90%.
Claims (5)
1. a kind of environment-friendly type exhaust gas filter, including Rose Box（1）, it is characterised in that：The Rose Box（1）Interior edge airflow direction
It is disposed with the first screen pack（2）, ceramic honeycomb carrier（3）With the second screen pack（7）, the Rose Box（1）Section bag
Include the first arc-shaped edges（1.1）, the second arc-shaped edges（1.2）, the first hypotenuse（1.3）With the second hypotenuse（1.4）, first arc-shaped edges
（1.1）, the second hypotenuse（1.4）, the second arc-shaped edges（1.2）With the first hypotenuse（1.3）Join end to end successively, connecting place uses fillet
Transition, the ceramic honeycomb carrier（3）Stomata is densely covered with the axial direction（3.1）, the stomata（3.1）One end be opening
（3.6）, the other end is provided with closure face（3.2）, the closure face（3.2）And opening（3.6）Arranged for interval, it is described two neighboring
Stomata（3.1）It is provided with next door（3.3）, next door（3.3）On be provided with cellular micropore（3.4）, next door（3.3）On be coated with
Catalyst coat（3.5）.
A kind of 2. environment-friendly type exhaust gas filter according to claim 1, it is characterised in that：The stomata（3.1）Hole count
For 600 holes/square inch.
A kind of 3. environment-friendly type exhaust gas filter according to claim 1 or 2, it is characterised in that：The next door（3.3）Thickness
Spend for 0.13 ~ 0.14mm.
A kind of 4. environment-friendly type exhaust gas filter according to claim 1, it is characterised in that：First screen pack（2）Adopt
It is made of copper monoxide material.
A kind of 5. environment-friendly type exhaust gas filter according to claim 1, it is characterised in that：Second screen pack（7）Adopt
It is made of absorbent charcoal material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610470435.1A CN107542529A (en) | 2016-06-27 | 2016-06-27 | Environment-friendly type exhaust gas filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610470435.1A CN107542529A (en) | 2016-06-27 | 2016-06-27 | Environment-friendly type exhaust gas filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107542529A true CN107542529A (en) | 2018-01-05 |
Family
ID=60959999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610470435.1A Pending CN107542529A (en) | 2016-06-27 | 2016-06-27 | Environment-friendly type exhaust gas filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107542529A (en) |
-
2016
- 2016-06-27 CN CN201610470435.1A patent/CN107542529A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180105 |