CN208106540U - A kind of complex carries dibit ternary catalyzing unit - Google Patents
A kind of complex carries dibit ternary catalyzing unit Download PDFInfo
- Publication number
- CN208106540U CN208106540U CN201820604458.1U CN201820604458U CN208106540U CN 208106540 U CN208106540 U CN 208106540U CN 201820604458 U CN201820604458 U CN 201820604458U CN 208106540 U CN208106540 U CN 208106540U
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- China
- Prior art keywords
- main
- cylinder
- air inlet
- inlet pipe
- catalyst converter
- 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
- 239000003054 catalyst Substances 0.000 claims abstract description 51
- 238000009413 insulation Methods 0.000 claims abstract description 10
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 239000010425 asbestos Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 229910052895 riebeckite Inorganic materials 0.000 claims description 3
- 239000003365 glass fiber Substances 0.000 claims 1
- 230000003197 catalytic effect Effects 0.000 abstract description 9
- 239000013589 supplement Substances 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 11
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 229910001868 water Inorganic materials 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000000969 carrier Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000011133 lead Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000003421 catalytic decomposition reaction Methods 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000003502 gasoline Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model discloses a kind of complex carries dibit ternary catalyzing units, including primary catalyst and secondary catalyst converter；Primary catalyst includes main air inlet pipe, main cylinder, main side lid and main escape pipe；Secondary catalyst converter includes secondary air inlet pipe, secondary cylinder, secondary end cap and secondary escape pipe；It is provided with electronic flow valve in secondary air inlet pipe, check valve is installed on secondary escape pipe；The inside of main cylinder and secondary cylinder is provided with thermal insulation layer, liner and carrier.The ternary catalyzing unit of the utility model includes primary catalyst and secondary catalyst converter, forms dibit catalyst converter, the working condition of secondary catalyst converter can be controlled by the electronic flow valve on secondary catalyst converter, and then by secondary catalyst converter to the supplement of the catalytic effect of primary catalyst；The structure on cylinder is also optimized simultaneously, increases the collet being easily installed, and liner is installed by snap-gauge, so that the stability of catalyst converter and service life increase.
Description
Technical field
The utility model relates to automobile catalytic device technical fields, and in particular to arrive a kind of complex carries dibit ternary catalyzing unit.
Background technique
Automobile is the current most important vehicles, and while bringing many facilitate, automobile is also that the energy disappears
The main source of consumption and pollutant emission.Ternary catalyzing unit is mounted on most important outer purifier in automobile exhaust system,
The pernicious gases such as CO, HC and NO of vehicle exhaust discharge can be changed into harmless titanium dioxide by oxidation and reduction by it
Carbon, water and nitrogen.When the vehicle exhaust of high temperature passes through purification device, cleanser in ternary catalyzing unit will enhance CO, HC and
The activity of tri- kinds of gas of NO promotes it to carry out certain oxidationreduction chemical reaction, and wherein CO is oxidized into nothing at high temperature
Color, nontoxic carbon dioxide gas；HC compound is oxidized to water (H20) and carbon dioxide at high temperature；NO be reduced into nitrogen and
Oxygen.Three kinds of pernicious gases become innocuous gas, and vehicle exhaust is made to be purified.The catalytic decomposition of catalyst converter needs certain
Temperature, 550 degrees centigrade excellent catalytic effects, in order to guarantee that the temperature in catalyst converter within the scope of required temperature, needs
It is thermally shielded in the external setting thermal insulation layer of catalyst converter.
Catalyst is very sensitive to elements such as sulphur, lead, phosphorus, zinc, and sulphur and lead are from gasoline, and phosphorus and zinc are from lubrication
Oil, these four substances and they burn within the engine after form oxide particle and be easily attracted to the surface of catalyst, make to urge
Agent can not be with exhaust gas contact, to lose catalytic action, i.e., so-called " poisoning " phenomenon loses catalytic action.The prior art
In ternary catalyzing unit only one carrier, lose catalytic effect after the failure of only carrier.
Utility model content
The purpose of the utility model is to provide a kind of complex carries dibit ternary catalyzing unit, there are two catalyst carriers for tool, can
To be replaced or be switched catalyst carrier as needed.
In order to achieve the above object, a kind of complex carries dibit ternary catalyzing unit is provided in one embodiment of the utility model,
Including primary catalyst and secondary catalyst converter；
Primary catalyst includes main air inlet pipe, main cylinder, main side lid and main escape pipe；
Secondary catalyst converter includes secondary air inlet pipe, secondary cylinder, secondary end cap and secondary escape pipe；
Secondary air inlet pipe is connected to by flange with main air inlet pipe, and secondary escape pipe is connected to by flange with main escape pipe；Secondary air inlet
It is provided with electronic flow valve on pipe, check valve is installed on secondary escape pipe；
The inside of main cylinder and secondary cylinder is provided with thermal insulation layer, liner and carrier；One end of main cylinder and secondary cylinder is equal
It is provided between cricoid snap-gauge, snap-gauge and main cylinder and the inner wall of secondary cylinder and is respectively formed card slot；One end of liner is provided with circle
The inside groove of annular, thermal insulation layer are embedded into card slot, are embedded into card slot on the outside of liner, and snap-gauge is embedded into inside groove, liner
Inside is arranged on the inside of snap-gauge；
Main side lid is internally provided with drainage plate with secondary end cap, conduction hole is provided on drainage plate, conduction hole includes middle part
Horizontal conduction hole, the acclivitous upper conduction hole in top, the lower conduction hole that lower part tilts down；
The outside of main cylinder and secondary cylinder is enclosed with collet, collet include interior stainless steel yarn stratum reticulare, glass layer,
Asbestos layer, three proofings layer of cloth and outer stainless steel yarn stratum reticulare；Hole is offered on collet for mounting bracket；Bracket includes level
Plate, the weld part of arc, the screw hole and reinforcing rib that are arranged on level board；Carrier includes main carrier and secondary carrier, main carrier
It is provided with cricoid dottle pin between secondary carrier, is provided with air hole on dottle pin；Grid line is provided on the surface of the dottle pin
Road.
Preferably, two rows of connecting holes are provided on collet, collet interts connecting hole by connecting line after enclosing will be every
Hot jacket is fixed on main cylinder and secondary cylinder.
Preferably, the mounting hole for installing sensor is provided in main air inlet pipe and secondary air inlet pipe.
Preferably, flange is provided in main air inlet pipe and main escape pipe.
In conclusion the utility model has the following advantages that：
The ternary catalyzing unit of the utility model includes primary catalyst and secondary catalyst converter, forms dibit catalyst converter, can pass through
Electronic flow valve on secondary catalyst converter controls the working condition of secondary catalyst converter, and then is urged by secondary catalyst converter primary catalyst
Change the supplement of effect；The structure on cylinder is also optimized simultaneously, increases the collet being easily installed, and liner is carried out by snap-gauge
Installation, so that the stability of catalyst converter and service life increase.
Detailed description of the invention
Fig. 1 is the schematic diagram of the utility model one embodiment；
Fig. 2 is main cylinder or secondary inner barrel structural schematic diagram in the utility model one embodiment；
Fig. 3 is the scheme of installation of bracket in the utility model one embodiment；
Fig. 4 is the schematic diagram of collet in the utility model one embodiment；
Fig. 5 is the schematic diagram of dottle pin.
Wherein, 1, main air inlet pipe；2, main cylinder；3, main side lid；4, main escape pipe；5, secondary air inlet pipe；6, secondary cylinder；7, secondary
End cap；8, secondary escape pipe；9, electronic flow valve；10, check valve；11, thermal insulation layer；12, it pads；13, carrier；14, snap-gauge；15,
Card slot；16, inside groove；17, drainage plate；18, conduction hole；19, collet；20, bracket；21, level board；22, weld part；23, spiral shell
Hole；24, connecting hole；25, connecting line；26, mounting hole；27, hole；28, main carrier, 29, secondary carrier；30, dottle pin；31, air hole.
Specific embodiment
The utility model provides a kind of complex carries dibit ternary catalyzing unit, including primary catalyst and secondary catalyst converter；Main reminder
Changing device includes main air inlet pipe 1, main cylinder 2, main side lid 3 and main escape pipe 4, and exhaust gas successively passes through main air inlet pipe, main cylinder, main side
The catalytic treatment of primary catalyst can be obtained after lid and main escape pipe；Secondary catalyst converter includes secondary air inlet pipe 5, secondary cylinder 6, secondary end cap
7 are successively in control at the catalysis of secondary catalyst converter by secondary air inlet pipe, secondary cylinder, pair end cap and secondary outlet with secondary escape pipe 8, exhaust gas
Reason.The structure of the cylinder of primary catalyst and secondary catalyst converter can be identical, has same catalytic action.
Secondary air inlet pipe is connected to by flange with main air inlet pipe, and secondary escape pipe is connected to by flange with main escape pipe.Main catalytic
Device and secondary catalyst converter can be easily installed by flanged joint, while secondary catalyst converter can be replaced when suitable, compared to weldering
The mode connect easily facilitates the secondary catalyst converter of replacement.It is provided with electronic flow valve in secondary air inlet pipe, can control into secondary catalyst converter
Exhaust gas flow, check valve 10 is installed on secondary escape pipe, being capable of mode adverse current.When needing to open secondary catalyst converter, Ke Yikai
Electronic flow valve 9 is opened, electronic flow valve can be controlled by the control system of vehicle.Electronic flow valve open after, make winner,
Secondary catalyst converter works at the same time, and forms dibit operating mode.It is real at the same time it can also install an electronic valve on primary catalyst
The switch of existing major and minor catalyst converter controls respectively.
The inside of main cylinder and secondary cylinder is provided with thermal insulation layer 11, liner 12 and carrier 13；Main cylinder and secondary cylinder
One end is provided between cricoid snap-gauge 14, snap-gauge and main cylinder and the inner wall of secondary cylinder and is respectively formed card slot 15；The one of liner
End is provided with the inside groove 16 of circular ring shape, and thermal insulation layer is embedded into card slot, is embedded into card slot on the outside of liner, and snap-gauge is embedded into interior
In slot, the inside of liner is arranged on the inside of snap-gauge.Thermal insulation layer is put into card slot first during installation, liner insertion is then allowed to block
On plate, i.e., in the inside groove of snap-gauge insertion liner.Snap-gauge to form liner in this way to fix, while carrier also can be to lining
Pad is formed to squeeze and is fixed, and compared to traditional fixed form, this place increases the fixed structure of snap-gauge, so that the fixation of liner
It is more stable, even if wearing after prolonged use, can also have good stablizing effect.
Main side lid is internally provided with drainage plate 17 with secondary end cap, conduction hole 18 is provided on drainage plate, conduction hole includes
The horizontal conduction hole at middle part, the acclivitous upper conduction hole in top, the lower conduction hole that lower part tilts down.It is being fitted without drainage
In the case where plate, flow is larger at the axle center of main side lid and secondary end cap, and side-walls flow is smaller, so that catalyst converter carrier center position
The processing pressure set is bigger, the carrier of periphery touch exhaust gas is relatively fewer so that processing is uneven.Pass through drawing for drainage plate
The tendency of discharge orifice is arranged, and can more reasonably distribute air-flow, so that the treating capacity of entire carrier is suitable, homogeneity is more preferable.
The outside of main cylinder and secondary cylinder is enclosed with collet 19, and collet can successively include interior stainless steel from inside to outside
Gauze layer, glass layer, asbestos layer, three proofings layer of cloth and outer stainless steel yarn stratum reticulare.In order to which cylinder is fixed on automobile
On, a bracket 20 can be installed on cylinder in advance.Bracket needs to be fixed on cylinder, therefore bracket is needed across heat-insulated
Set needs to offer hole 27 on collet for mounting bracket, that is, allows bracket to pass through.Bracket includes level board 21, arc
Weld part 22, the screw hole 23 that is arranged on level board.The weld part of arc is convenient for coincideing with the shape of cylinder, heat-insulated installing
It is welded on cylinder after set, can be connected by bolt or screw and screw hole and cylinder is fixed on the corresponding position of automobile.
Carrier includes main carrier 28 and secondary carrier 29, is provided with cricoid dottle pin 30, dottle pin between main carrier and secondary carrier
On be provided with air hole 31.Grid lines is provided on the surface of dottle pin.Main carrier and secondary carrier can choose different size and
The carrier for the treatment of effeciency, main carrier exhaust mass to be treated is poor, needs treatment effeciency higher and the carrier of high standard, secondary
The exhaust gas of vehicle treated due to be it is treated, can choose the lower carrier of specification, enable to select in this way
Product can carry out according to the actual situation.Dottle pin can allow between two carriers and form gap, convenient for two are separated,
Be conducive to installation when play a protective role, grid lines can increase frictional force so that after long-term use carrier abrasion after according to
So tool is well bonded.
In the optimal enforcement example of the utility model, two rows of connecting holes 24 are provided on collet, collet passes through after enclosing
Connecting line 25 interts connecting hole and collet is fixed on main cylinder and secondary cylinder.
In the optimal enforcement example of the utility model, the peace for installing sensor is provided in main air inlet pipe and secondary air inlet pipe
Fill hole 26.
In the optimal enforcement example of the utility model, flange is provided in main air inlet pipe and main escape pipe.
Although being described in detail in conjunction with attached drawing to specific embodiment of the present utility model, should not be construed as pair
The restriction of the protection scope of this patent.In range described by claims, those skilled in the art are without creative labor
The dynamic various modifications that can be made and deformation still belong to the protection scope of this patent.
Claims (4)
1. a kind of complex carries dibit ternary catalyzing unit, it is characterised in that：Including primary catalyst and secondary catalyst converter；
The primary catalyst includes main air inlet pipe, main cylinder, main side lid and main escape pipe；
The pair catalyst converter includes secondary air inlet pipe, secondary cylinder, secondary end cap and secondary escape pipe；
The pair air inlet pipe is connected to by flange with main air inlet pipe, and secondary escape pipe is connected to by flange with main escape pipe；The pair
It is provided with electronic flow valve in air inlet pipe, check valve is installed on secondary escape pipe；
The inside of the main cylinder and secondary cylinder is provided with thermal insulation layer, liner and carrier；One end of main cylinder and secondary cylinder is equal
It is provided between cricoid snap-gauge, snap-gauge and main cylinder and the inner wall of secondary cylinder and is respectively formed card slot；One end of the liner is arranged
There is the inside groove of circular ring shape, thermal insulation layer is embedded into card slot, is embedded into card slot on the outside of liner, and snap-gauge is embedded into inside groove, lining
The inside of pad is arranged on the inside of snap-gauge；
The main side lid is internally provided with drainage plate with secondary end cap, conduction hole is provided on drainage plate, the conduction hole includes
The horizontal conduction hole at middle part, the acclivitous upper conduction hole in top, the lower conduction hole that lower part tilts down；
The outside of the main cylinder and secondary cylinder is enclosed with collet, and the collet includes interior stainless steel yarn stratum reticulare, glass fibers
Tie up layer, asbestos layer, three proofings layer of cloth and outer stainless steel yarn stratum reticulare；Hole is offered on the collet for mounting bracket；It is described
Bracket includes level board, the weld part of arc, the screw hole that is arranged on level board；
The carrier includes main carrier and secondary carrier, is provided with cricoid dottle pin between main carrier and secondary carrier, is arranged on dottle pin
There is air hole；Grid lines is provided on the surface of the dottle pin.
2. complex carries dibit ternary catalyzing unit as described in claim 1, it is characterised in that：Two rows are provided on the collet
Connecting hole, collet intert connecting hole by connecting line after enclosing and collet are fixed on main cylinder and secondary cylinder.
3. complex carries dibit ternary catalyzing unit as described in claim 1, it is characterised in that：The main air inlet pipe and secondary air inlet pipe
On be provided with mounting hole for installing sensor.
4. complex carries dibit ternary catalyzing unit as described in claim 1, it is characterised in that：The main air inlet pipe and main outlet
Flange is provided on pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820604458.1U CN208106540U (en) | 2018-04-26 | 2018-04-26 | A kind of complex carries dibit ternary catalyzing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820604458.1U CN208106540U (en) | 2018-04-26 | 2018-04-26 | A kind of complex carries dibit ternary catalyzing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208106540U true CN208106540U (en) | 2018-11-16 |
Family
ID=64117085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820604458.1U Expired - Fee Related CN208106540U (en) | 2018-04-26 | 2018-04-26 | A kind of complex carries dibit ternary catalyzing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208106540U (en) |
-
2018
- 2018-04-26 CN CN201820604458.1U patent/CN208106540U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181116 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |