CN107559069A - Without black smoke exhaust gas filter - Google Patents
Without black smoke exhaust gas filter Download PDFInfo
- Publication number
- CN107559069A CN107559069A CN201610470445.5A CN201610470445A CN107559069A CN 107559069 A CN107559069 A CN 107559069A CN 201610470445 A CN201610470445 A CN 201610470445A CN 107559069 A CN107559069 A CN 107559069A
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- CN
- China
- Prior art keywords
- black smoke
- exhaust gas
- parts
- next door
- smoke 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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- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The present invention relates to one kind without black smoke exhaust gas filter.It includes Rose Box（1）, the Rose Box（1）Inside it is provided with screen pack（2）And ceramic honeycomb carrier（3）, screen pack（2）On be provided with oblique backfin（2.1）With the belling of longitudinal direction（2.2）, ceramic honey comb surface is coated with acid-proof coating.Of the invention a kind of without black smoke exhaust gas filter, acid resistance is good, under screen pack and ceramic honeycomb carrier double-filtration, by the tail gas that main component is CO, HC, NOx, reacts 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 one kind without black smoke 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 by simple filtering, and is equipped with diesel oil hair
The automobile of motivation, contain black smoke particle in its tail gas, existing exhaust gas filter can not effectively filter black smoke particle, can so make
Into environmental pollution, existing honeycomb substrate can not be effectively acidproof, causes its service life short, can not meet the needs of client.
The content of the invention
It is an object of the invention to overcome above-mentioned deficiency, there is provided one kind is without black smoke 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, honeycomb substrate can be effectively acidproof.
The object of the present invention is achieved like this：
One kind is characterized in without black smoke exhaust gas filter, including Rose Box：Screen pack and ceramic honeybee are provided with the Rose Box
Nest carrier, the belling of oblique backfin and longitudinal direction is provided with screen pack, and 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, the honeycomb substrate surface is coated with acid-proof coating,
This acid-proof coating is mainly made up of following raw materials by weight portion proportioning：13 parts of quartz sand, 12 parts of petroleum coke, 9 parts of wood chip, chlorination
8 parts of sodium, 1 part of titanium dioxide, 13 parts of ethanol, 30 parts of water；
The preparation method of the acid-proof coating, is comprised the steps of：
（1）Quartz sand, petroleum coke and wood chip are pulverized, powder diameter is 400 mesh；
（2）By step（1）In powder and sodium chloride powder the input high temperature resistance furnace of acquisition, radiant heating, temperature is maintained at
1000 DEG C, 0.5 hour；
（3）Through step（2）Powder after pyrolytic semlting is with titania powder by weight 3:It is added to the water after 1 mixing, while stirring
Mix side and add ethanol thereto, microelectronics surface acid-proof coating can be obtained to all dissolvings.
For one kind of the invention without black smoke exhaust gas filter, the hole count of its stomata is 600 holes/square inch.
For one kind of the invention without black smoke exhaust gas filter, the thickness in its next door is 0.13 ~ 0.14mm.
Compared with prior art, the beneficial effects of the invention are as follows：
It is of the invention a kind of without black smoke exhaust gas filter, under screen pack and ceramic honeycomb carrier double-filtration, be by main component
CO, HC, NOx tail gas, react into CO2、H2O、N2And O2, while the micropore on next door can effectively filter the black smoke in waste gas
Grain, and black smoke particle can be burned off in the presence of catalyst coat, further increase tail gas clean-up effect；The present invention is logical
The method that Raw material processing is sprayed into aqua is crossed, one kind, which is prepared, can be sprayed directly on ceramic honey comb surface, form one layer of cause
Close, consolidation protective layer.
Brief description of the drawings
Fig. 1 is a kind of structural representation of no black smoke 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.
Fig. 6 is the structural representation of the screen pack of the present invention.
Fig. 7 is the expanded view of the screen pack of the present invention.
Fig. 8 is the enlarged drawing of A in Fig. 6.
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,
Screen pack 2,
Backfin 2.1,
Belling 2.2,
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,
Gas channel 7.
Embodiment
Referring to Fig. 1-8, the present invention relates to one kind without black smoke exhaust gas filter, it includes Rose Box 1, screen pack 2 and ceramics
Honeycomb substrate 3, the left end of Rose Box 1 are inlet exhaust gas 4, and right-hand member is offgas outlet 5, the screen pack 2 and ceramic honeycomb carrier 3
It is arranged in Rose Box 1, screen pack 2 is positioned close at inlet exhaust gas 4.
The screen pack 2 is made of stainless steel material, and the pressure of oblique backfin 2.1 and longitudinal direction is provided with screen pack 2
Convex 2.2, Fig. 7 is the expanded view of screen pack 2, and axial direction when laterally being rolled in way for screen pack 2, longitudinal direction is rolled for screen pack 2
Radial direction when coming, in use, being arranged on after screen pack 2 is wound in Rose Box 1, backfin 2.1 and the body of screen pack 2 form air-flow
Passage 7, the intersection of gas channel 7 form multiple rhombus expansion slots, and every a segment distance by belling 2.2 formed one every
Disconnected, when motor exhaust blows to gas channel 7, a part shunts along gas channel 7, and a part passes through the body mistake of screen pack 2
Filter, along the partial tail gas that gas channel 7 shunts by different degrees of turbulent flow can be produced when expansion slot and cut-off, formed multiple
The shunting in direction, the black smoke particle in tail gas is set fully to be captured on the body of screen pack 2, when black smoke granule capturing is to necessarily
During amount, it can burn to form CO at a high temperature of engine exhaust2, so as to realize the function of filter regeneration.
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 the 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 joined end to end successively, and connecting place is adopted
With round-corner transition, the shape of the ceramic honeycomb carrier 3 is corresponding with Rose Box 1, and ceramic honeycomb carrier 3 gathers in the axial direction
There is a stomata 3.1, 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 is opened
3.6 arranged for interval of mouth, 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.
The ceramic honey comb surface is coated with acid-proof coating, and this acid-proof coating is mainly matched by following raw materials by weight portion
It is made：13 parts of quartz sand, 12 parts of petroleum coke, 9 parts of wood chip, 8 parts of sodium chloride, 1 part of titanium dioxide, 13 parts of ethanol, 30 parts of water.
The preparation method of the acid-proof coating, is comprised the steps of：
（1）Quartz sand, petroleum coke and wood chip are pulverized, powder diameter is 400 mesh；
（2）By step（1）In powder and sodium chloride powder the input high temperature resistance furnace of acquisition, radiant heating, temperature is maintained at
1000 DEG C, 0.5 hour；
（3）Through step（2）Powder after pyrolytic semlting is with titania powder by weight 3:It is added to the water after 1 mixing, while stirring
Mix side and add ethanol thereto, microelectronics surface acid-proof coating can be obtained to all dissolvings.
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 by-pass filtration of screen pack 2, so
Enter ceramic honeycomb carrier 3 afterwards and carry out secondary filtration, enter from the opening 3.6 of stomata 3.1, because stomata 3.1 is opened at one end
Mouth 3.6, and be 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 from adjacent gas
The opening 3.6 in hole 3.1 is discharged, and because the diameter of black smoke particle is big compared with micropore 3.4, therefore the black smoke particle in waste gas will be filtered
Catch on next door 3.3, air-flow then passes through from micropore 3.4.
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 (3)
1. one kind is without black smoke exhaust gas filter, including Rose Box（1）, it is characterised in that：The Rose Box（1）Inside it is provided with filtering
Net（2）And ceramic honeycomb carrier（3）, screen pack（2）On be provided with oblique backfin（2.1）With the belling of longitudinal direction（2.2）, it is described
Rose Box（1）Including 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）, institute
State the 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, phase
Round-corner transition, the ceramic honeycomb carrier are used at even（3）Stomata is densely covered with the axial direction（3.1）, the stomata（3.1）'s
One end is 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, institute
State 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）It is upper to be coated with catalyst coat（3.5）, the ceramic honey comb surface is coated with acid-proof coating, this acid-proof coating mainly by
Following raw materials by weight portion proportioning is made：13 parts of quartz sand, 12 parts of petroleum coke, 9 parts of wood chip, 8 parts of sodium chloride, titanium dioxide 1
Part, 13 parts of ethanol, 30 parts of water；
The preparation method of the acid-proof coating, is comprised the steps of：
（1）Quartz sand, petroleum coke and wood chip are pulverized, powder diameter is 400 mesh；
（2）By step（1）In powder and sodium chloride powder the input high temperature resistance furnace of acquisition, radiant heating, temperature is maintained at
1000 DEG C, 0.5 hour；
（3）Through step（2）Powder after pyrolytic semlting is with titania powder by weight 3:It is added to the water after 1 mixing, while stirring
Mix side and add ethanol thereto, microelectronics surface acid-proof coating can be obtained to all dissolvings.
2. one kind according to claim 1 is without black smoke exhaust gas filter, it is characterised in that：The stomata（3.1）Hole count
For 600 holes/square inch.
3. one kind according to claim 1 or 2 is without black smoke exhaust gas filter, it is characterised in that：The next door（3.3）Thickness
Spend for 0.13 ~ 0.14mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610470445.5A CN107559069A (en) | 2016-06-27 | 2016-06-27 | Without black smoke exhaust gas filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610470445.5A CN107559069A (en) | 2016-06-27 | 2016-06-27 | Without black smoke exhaust gas filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107559069A true CN107559069A (en) | 2018-01-09 |
Family
ID=60968411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610470445.5A Pending CN107559069A (en) | 2016-06-27 | 2016-06-27 | Without black smoke exhaust gas filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107559069A (en) |
-
2016
- 2016-06-27 CN CN201610470445.5A patent/CN107559069A/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: 20180109 |