CN206830276U - A kind of electrical heating urea blender and SCR system - Google Patents
A kind of electrical heating urea blender and SCR system Download PDFInfo
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- CN206830276U CN206830276U CN201720015742.0U CN201720015742U CN206830276U CN 206830276 U CN206830276 U CN 206830276U CN 201720015742 U CN201720015742 U CN 201720015742U CN 206830276 U CN206830276 U CN 206830276U
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- liquid distributor
- reducing agent
- electrical heating
- blender
- hole
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Exhaust Gas After Treatment (AREA)
Abstract
It the utility model is related to engine emission pollutant process technical field, disclose a kind of electrical heating urea blender and SCR system, the electrical heating urea blender includes blender body, the blender body includes liquid distributor, the liquid distributor is cylindrical housings, one end of the liquid distributor is provided with the reducing agent import for being passed through reducing agent, the other end of the liquid distributor is provided with multiple reducing agents for being used to disperse reducing agent and disperses through hole, wherein, one end that the liquid distributor is provided with the scattered through hole of reducing agent is provided with electric heating assembly.The utility model can effectively remove the urea crystals body at the through hole position for easily producing urea crystals body by high temperature caused by electric heating assembly, solve urea crystals body and block Engine exhaust pipeline, the problem of making exhaust back pressure raise rapidly, and then causing overall performance to deteriorate.
Description
Technical field
It the utility model is related to engine emission pollutant process technical field, more particularly to a kind of mixing of electrical heating urea
Device and SCR system.
Background technology
The general principle of SCR technology is that urea is sprayed into exhaust or adds other reducing agents, selects suitable catalysis
Agent, promote reducing agent to be reacted with NOx, while suppress reducing agent by the dioxygen oxidation in exhaust.Existing SCR technology is according to reducing agent
Species can be divided into using urea decompose caused by NH3 as the urea/SCR technology of reducing agent and using hydrocarbon as reducing agent
The hydrocarbon class of SCR technology two.For current hydrocarbon SCR technology still among further research, practical application is few；And urea SCR skill
Art is more ripe, and practical application is more.
In used urea SCR system, aqueous solution of urea sprays into blast pipe, it is necessary to through pervaporation, pyrolysis, hydrolysis through urea nozzle
Formed reducing agent (NH3, HNCO) that redox reaction occurs with engine emission pollutant NOx Deng physical and chemical process, most
Reaching eventually reduces the purpose of NOx emission.Wherein, in used urea SCR system it is general using urea blender come the motion of tissue air-flow,
Urea blender is generally located between urea nozzle and catalyst carrier.Urea blender can promote urea and exhaust mixed
Close, optimization urea distribution, moreover it is possible to reduce NH_3 leakage, but under the relatively low operating mode of delivery temperature, aqueous solution of urea can be due to contact
There is the phenomenon that can not decompose completely to reasons such as low temperature wall, atomization quality differences, the acyl of cyanuric acid two is generated in course of reaction
The complex compound of the complicated component such as amine and melamine, the aggregation of these complex compounds will form crystalline solid to a certain extent.This knot
The crystal overwhelming majority appears in urea blender surface, and white bulk, quality is hard, and can be with the lasting spray of urea liquid
Continuous increase is penetrated, crystalline solid increase can block Engine exhaust pipeline, exhaust back pressure is raised rapidly, and then lead to a certain extent
Overall performance is caused to deteriorate.
Utility model content
(1) technical problems to be solved
The utility model provides a kind of electrical heating urea blender and SCR system, and hair is blocked to solve urea crystals body
Motivation gas exhaust piping, the problem of making exhaust back pressure raise rapidly, and then cause overall performance to deteriorate.
(2) technical scheme
In order to solve the above-mentioned technical problem, on the one hand the utility model provides a kind of electrical heating urea blender and includes mixing
Clutch body, the blender body include liquid distributor, and the liquid distributor is cylindrical housings, the liquid dispersion
One end of device is provided with the reducing agent import for being passed through reducing agent, and the other end of the liquid distributor is provided with multiple be used for
The reducing agent of scattered reducing agent disperses through hole, wherein, the liquid distributor is provided with one end setting that reducing agent disperses through hole
There is electric heating assembly.
Further, the electric heating assembly includes the resistance wire being arranged on liquid distributor, the resistance wire winding
The liquid distributor is provided with one end of the scattered through hole of reducing agent.
Further, the electric heating assembly is arranged on the liquid distributor and is provided with one end that reducing agent disperses through hole
Bottom face on.
Further, the electric heating assembly includes resistance wire, and the resistance wire is laid in the liquid into spiral ring
Disperser is provided with the bottom face of one end that reducing agent disperses through hole.
Further, the electric heating assembly also include be arranged on the outside of the resistance wire be used for support the resistance wire
Resistance wire support,
The resistance wire is connected with electrode, and ground wire is provided with the outside of the resistance wire support.
Further, the liquid distributor, which is provided with to set on the housing periphery wall of reducing agent inlet end, has an impact gas
Multiple swirl vanes of direction of flow, housing of the multiple swirl vane along the liquid distributor are circumferentially uniform.
Further, the multiple swirl vane relative to the tangent to periphery direction of the liquid distributor inclination angle energy
Enough regulations.
Further, the liquid distributor, which is provided with one end end face of reducing agent import, is provided with and the reducing agent
The reductant nozzle seat of inlet communication.
Further, the blender body also includes gas turbulator, and the gas turbulator is shaped as housing, institute
Stating gas turbulator includes air inlet, and the gas turbulator is provided with relative first on the direction vertical with airintake direction
Hole and the second hole；
Hung down through second hole with the gas turbulator one end that the liquid distributor is provided with reducing agent import
Direct-connected to connect, the reducing agent import connects with first hole, and first hole is used for the reducing agent for importing nozzle ejection.
In order to solve the above technical problems, another aspect of the present utility model additionally provides a kind of SCR systems, including as above
Described electrical heating urea blender is stated, the electrical heating urea blender is arranged in blast pipe or SCR catalytic converter, institute
State the pressure for being provided with blast pipe or the SCR catalyzed conversions blender and detecting the forward and backward pressure of electrical heating urea blender respectively
Force snesor, the pressure sensor are connected with control assembly, the control assembly also with the electrical heating urea blender
Circuit connects；
The pressure sensor gives pressure transmission to the control assembly, and the control assembly is according to forward and backward pressure sensing
The pressure difference of device controls whether the power supply of the electrical heating urea blender is connected.
(3) beneficial effect
One end that electrical heating urea blender of the present utility model is provided with the scattered through hole of reducing agent in liquid distributor is set
Electric heating assembly is equipped with, the through-hole section for easily producing urea crystals body can be effectively removed by high temperature caused by electric heating assembly
The urea crystals body divided, solve urea crystals body and block Engine exhaust pipeline, exhaust back pressure is raised rapidly, and then cause
The problem of overall performance deteriorates.
SCR system of the present utility model includes electrical heating urea blender, and judges that electrical heating is urinated by pressure sensor
Pressure difference before and after plain blender, according to being turned on and off for pressure difference Intelligent control electric heating urea blender, realize electrical heating
The intelligent control of urea blender, and only when pressure difference exceedes predetermined value, open electrical heating urea blender, be effectively saved
The energy resource consumption of electrical heating urea blender.
Except the utility model described above solve technical problem, form technical scheme technical characteristic and
Have outside advantage caused by the technical characteristic of these technical schemes, other technical characteristics of the present utility model and these technologies are special
The advantages of sign is brought, will further illustrate with reference to accompanying drawing.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model embodiment electrical heating urea blender；
Structural representation when Fig. 2 is the utility model embodiment electrical heating urea blender slant setting；
Fig. 3 is the electric heating assembly schematic diagram of the utility model embodiment electrical heating urea blender；
Fig. 4 is the schematic diagram of the utility model embodiment SCR system；
Fig. 5 is the driving computer heating control flow chart of the utility model embodiment SCR system；
Fig. 6 is the parking computer heating control flow chart of the utility model embodiment SCR system.
In figure:1：Electrical heating urea blender, 11：Reductant nozzle seat, 11a：Reducing agent import, 12：Swirl vane；
13：Reducing agent disperses through hole；14：Electric heating assembly, 14a：Electrode, 14b：Resistance wire support, 14c：Resistance wire, 14d：Ground connection
Line；2：Urea nozzle；3：Blast pipe；4：Pressure sensor.
Embodiment
It is new below in conjunction with this practicality to make the purpose, technical scheme and advantage of the utility model embodiment clearer
Accompanying drawing in type embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, it is clear that is retouched
The embodiment stated is part of the embodiment of the present utility model, rather than whole embodiments.Based on the reality in the utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained on the premise of creative work is not made, all
Belong to the scope of the utility model protection.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
In addition, in description of the present utility model, unless otherwise indicated, " multiple ", " more ", " multigroup " are meant that two
Individual or two or more, " several ", " some ", " some groups " are meant that one or more.
As Figure 1-3, the electrical heating urea blender 1 that the utility model embodiment provides includes blender body, institute
Stating blender body includes liquid distributor, and the liquid distributor is cylindrical housings, and one end of the liquid distributor is set
Be equipped with the reducing agent import 11a for being passed through reducing agent, the other end of the liquid distributor be provided with it is multiple be used for it is scattered also
The reducing agent of former agent disperses through hole 13, wherein, one end that the liquid distributor is provided with the scattered through hole 13 of reducing agent is provided with
Electric heating assembly 14.
Find in actual applications, urea crystals body is easiest to appear in urea blender surface, wherein in said structure
In rational urea blender, it is used to be disperseed carbamide reducing agent because the reducing agent of liquid distributor disperses through hole 13,
So the reducing agent that urea crystals body is generally present in liquid distributor disperses 13 sections of through hole, the utility model passes through in liquid point
One end that scattered device is provided with the scattered through hole 13 of reducing agent is provided with electric heating assembly 14, can promote to urinate by electrically heated heat
Plain crystalline solid melts, and solves urea crystals body and blocks Engine exhaust pipeline, exhaust back pressure is raised rapidly, and then cause whole
The problem of machine penalty；Meanwhile the one end for only selecting to be provided with the scattered through hole 13 of reducing agent in liquid distributor sets electricity to add
Hot component 14, compared to the scheme that whole urea blender is respectively provided with heating component, the arrangement space of equipment can be effectively reduced, carried
For the utilization ratio of heating component.
As shown in figure 1, the liquid distributor, which is provided with to set on reducing agent import 11a housing periphery wall, has an impact gas
Multiple swirl vanes 12 of direction of flow, in the circumference for the housing that the multiple swirl vane 12 is distributed on the liquid distributor.
As a kind of preferred scheme, the multiple swirl vane 12 relative to the tangent to periphery direction of the liquid distributor inclination angle
It can adjust.
In actual applications, the liquid distributor of the blender body need to coordinate gas turbulator to use, described
Gas turbulator is shaped as housing, and the gas turbulator includes air inlet, and the gas turbulator hangs down with airintake direction
Relative the first hole and the second hole are provided with straight direction；One end that the liquid distributor is provided with reducing agent import passes through
Second hole and the gas turbulator vertical connection, the reducing agent import connect with first hole, first hole
For importing the reducing agent of nozzle ejection.
At work, nozzle sprays urea also to the electrical heating urea blender 1 of the present embodiment by the first hole to blender
Former agent.For swirl vane 12 to blender one angle of planar tilt windward, the guide functions of blender blade are larger, make air-flow shape
Into big vortex；Blender is placed with urea nozzle right angle setting, and the injection direction of spraying is vertical with flow direction of exhaust gases, mixing
Device causes strong flow-disturbing to exhaust first, then drives urea spraying to produce the effect for promoting to mix by air-flow, mixing
Power resources are the disturbances of air-flow.Blender solid wall surface gas flow rate nearby, the row of vortex is greatly facilitated in gas turbulator
The combination of journey and liquid distributor, substantially reduce urea deposits and form the risk of crystallization, and promote even if generation urea crystals
It is only limited to disperse 13 sections of through hole in the reducing agent of liquid distributor.Urea is sprayed at gas turbulator and liquid distributor simultaneously
In the presence of, it is uniformly distributed in a mixer, and further disperseed by the through hole on liquid distributor, mixed, reduce knot
Crystalline substance, improve the efficiency of selective catalytic reduction reaction.
The electrical heating urea blender 1 that the present embodiment proposes, by improving the gas inside and outside blender near wall
Flow velocity, carbamide reducing agent is uniformly distributed, reduces near wall crystallization risk；By improving air velocity, air is added
The evaporation rate of middle drop, evaporation rate and reducing agent utilization rate are improved, improve the efficiency of selective catalytic reduction reaction.
As shown in figure 1, urea nozzle 2 is connected with the liquid distributor for convenience, the liquid distributor is provided with
The reductant nozzle seat 11 connected with the reducing agent import 11a is provided with reducing agent import 11a one end end face.
Alternatively, the electric heating assembly 14 includes the resistance wire 14c being arranged on liquid distributor, institute
State resistance wire 14c and be wrapped in one end that the liquid distributor is provided with the scattered through hole 13 of reducing agent.
As shown in Figure 2,3, the electric heating assembly 14 is arranged on the liquid distributor and is provided with the scattered through hole of reducing agent
On the bottom face of 13 one end, the electric heating assembly 14 includes resistance wire 14c, the resistance wire 14c and tiled into spiral ring
It is provided with the liquid distributor on the bottom face of one end that reducing agent disperses through hole 13.
It is readily appreciated that, the resistance wire 14c of electric heating assembly is set directly on the bottom face of liquid distributor, and selects spiral shell
The mode of ring-type tiling is revolved, relatively large number of resistive heater can be set in the space of minimum, and can not influence to mix
Clutch reducing agent disperses the work of through hole 13, when electric heating assembly 14 heats, can produce amount of heat rapidly by urea knot
Crystal melts.
As shown in figure 3, the electric heating assembly 14 is also described for supporting on the outside of the resistance wire 14c including being arranged on
The resistance wire support 14b of resistance wire, the specific set-up mode of electric heating assembly 14 is that the resistance wire is connected with electrode 14a, institute
State and ground wire 14d is provided with the outside of resistance wire support 14b, wherein the electrode 14a may be selected by controlling switch and car body
Internal electric source is connected or can be connected with being connected the interface of external power source.
As shown in figure 4, the utility model embodiment additionally provides a kind of SCR system, including electrical heating as described above
Urea blender 1, the electrical heating urea blender 1 can be arranged in blast pipe or SCR catalytic converter, corresponding described
Be provided with blast pipe or the SCR catalyzed conversions blender respectively detect electrical heating urea blender before and after pressure pressure pass
Sensor.Give the form being arranged in blast pipe 3 in Fig. 4, the blast pipe 3 before the electrical heating urea blender 1,
One pressure sensor 4 is set respectively afterwards, the pressure sensor 4 is connected with control assembly, the control assembly also with it is described
The circuit of electrical heating urea blender 1, the temperature sensor connection for monitoring motor vehicle exhaust emission temperature；The pressure sensor 4
Give pressure transmission to the control assembly, the control assembly controls the electrical heating according to the pressure difference of forward and backward pressure sensor 4
Whether the power supply of urea blender is connected.In wherein Fig. 4, arrow A represents that carrying out entering for the exhaust of automatic pressure intensifier moves towards, arrow B
The flow direction of carried catalyst after expression reducing catalyst is scattered, urea nozzle 2 are arranged on exhaust side and and electrical heating
Urea blender 1 connects.
The utility model embodiment SCR system, when urea crystals volume gradually increases, before and after electrical heating urea blender
Pressure difference gradually increase, after the pressure difference of setting is reached, electrical heating urea blender is heated by control assembly,
Crystallization is thermally decomposed at high temperature, reach the purpose that intelligence eliminates crystallization.
The process for using of the utility model embodiment SCR system is as shown in Figure 5,6.Y in Fig. 5,6 represents the meaning of "Yes"
Think, N represents the meaning of "No".
Fig. 5 is electrical heating urea blender method for heating and controlling schematic diagram in driving conditions, in driving conditions, is controlled first
Component by pressure sensor 4 judges pressure difference, and whether more than the first scalar quantity, (the first scalar quantity is in Figure 5 with the table of scalar quantity 1
Show), if not performing heating operation not above the first scalar quantity SCR systems；If pressure sensor 4 judges that pressure difference exceedes
First scalar quantity, control assembly further analyze whether delivery temperature meets that non-heated demand is (non-heated by temperature sensor
Demand, refer to that delivery temperature is more than urea crystals temperature, namely need not additionally heat just can melt urea crystals body
Change), if meeting non-heated requirement, the electric heating assembly of SCR system electrical heating urea blender does not work；If it is unsatisfactory for non-
Heating requirements, then (heating mode 1) is heated using vehicle interior power supply, while whether detect pressure difference more than the second scalar quantity
(the second scalar quantity is represented with scalar quantity 2 in Figure 5), then continue to heat more than the second scalar quantity, once less than the second mark
It is quantitative then terminate to heat.
Fig. 6 is the control method schematic diagram heated during parking using external power source.Heating in docking process is by note
State and demarcation heat time are recalled to be judged：Specific process is to access external power source first, and selects external power source to add
Heat pattern (heating mode 2), judging pressure difference according to memory state, whether more than the second scalar quantity, (the second scalar quantity is got the bid with Fig. 6
Quantitative 2 is equivalent in meaning), if being not above the second scalar quantity, the electric heating assembly of SCR system electrical heating urea blender is not
Open；If pressure difference starts electric heating assembly, after electric heating assembly is heated to the scheduled time, stopped more than the second scalar quantity
Heating.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (10)
- A kind of 1. electrical heating urea blender, it is characterised in that：Including blender body, the blender body includes liquid point Device is dissipated, the liquid distributor is cylindrical housings, and one end of the liquid distributor is provided with for being passed through going back for reducing agent Former agent import, the other end of the liquid distributor are provided with multiple reducing agents for being used to disperse reducing agent and disperse through hole, wherein, One end that the liquid distributor is provided with the scattered through hole of reducing agent is provided with electric heating assembly.
- 2. electrical heating urea blender according to claim 1, it is characterised in that：The electric heating assembly includes being arranged on Resistance wire on liquid distributor, the resistance wire are wrapped in the liquid distributor and are provided with reducing agent disperses through hole one End.
- 3. electrical heating urea blender according to claim 1, it is characterised in that：The electric heating assembly is arranged on described Liquid distributor is provided with the bottom face of one end that reducing agent disperses through hole.
- 4. electrical heating urea blender according to claim 3, it is characterised in that：The electric heating assembly includes resistance Silk, the resistance wire into spiral ring be laid in the liquid distributor be provided with reducing agent disperse through hole one end bottom face On.
- 5. electrical heating urea blender according to claim 4, it is characterised in that：The electric heating assembly also includes setting The resistance wire support for being used to support the resistance wire on the outside of the resistance wire,The resistance wire is connected with electrode, and ground wire is provided with the outside of the resistance wire support.
- 6. electrical heating urea blender according to claim 1, it is characterised in that：The liquid distributor is provided with reduction Set on the housing periphery wall of agent inlet end and have an impact multiple swirl vanes of gas flow, the multiple swirl vane is along institute The housing for stating liquid distributor is circumferentially uniform.
- 7. electrical heating urea blender according to claim 6, it is characterised in that：The multiple swirl vane is relative to institute Stating the inclination angle in the tangent to periphery direction of liquid distributor can be adjusted.
- 8. electrical heating urea blender according to claim 1, it is characterised in that：The liquid distributor is provided with reduction The reductant nozzle seat with the reducing agent inlet communication is provided with one end end face of agent import.
- 9. electrical heating urea blender according to claim 1, it is characterised in that：The blender body also includes gas Cyclone, the gas turbulator are shaped as housing, and the gas turbulator includes air inlet, the gas turbulator with Relative the first hole and the second hole are provided with the vertical direction of airintake direction；One end that the liquid distributor is provided with reducing agent import connects through second hole is vertical with the gas turbulator Connect, the reducing agent import connects with first hole, and first hole is used for the reducing agent for importing nozzle ejection.
- A kind of 10. SCR system, it is characterised in that：Including the electrical heating urea blender as described in claim any one of 1-9, The electrical heating urea blender is arranged in blast pipe or SCR catalytic converter, the blast pipe or the SCR catalyzed conversions Be provided with blender respectively detect the forward and backward pressure of electrical heating urea blender pressure sensor, the pressure sensor with Control assembly is connected, and circuit of the control assembly also with the electrical heating urea blender is connected；The pressure sensor gives pressure transmission to the control assembly, and the control assembly is according to forward and backward pressure sensor Pressure difference controls whether the power supply of the electrical heating urea blender is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720015742.0U CN206830276U (en) | 2017-01-06 | 2017-01-06 | A kind of electrical heating urea blender and SCR system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720015742.0U CN206830276U (en) | 2017-01-06 | 2017-01-06 | A kind of electrical heating urea blender and SCR system |
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| CN206830276U true CN206830276U (en) | 2018-01-02 |
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ID=60780222
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| CN201720015742.0U Active CN206830276U (en) | 2017-01-06 | 2017-01-06 | A kind of electrical heating urea blender and SCR system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194179A (en) * | 2018-03-14 | 2018-06-22 | 潍柴动力股份有限公司 | A kind of post processing air inlet mixing arrangement |
| CN109453666A (en) * | 2018-11-30 | 2019-03-12 | 精诚工科汽车系统有限公司 | Mixer and vehicle |
| CN109578116A (en) * | 2018-11-27 | 2019-04-05 | 安徽江淮汽车集团股份有限公司 | A kind of SCR aftertreatment system preventing urea crystals |
| CN109653849A (en) * | 2019-01-28 | 2019-04-19 | 凯龙高科技股份有限公司 | A kind of urea injection bimetallic tube mixer for diesel engine vent gas post-processing |
| CN112012815A (en) * | 2019-05-30 | 2020-12-01 | 日本碍子株式会社 | Exhaust gas mixer, exhaust gas purification device, and exhaust gas purification method |
| CN113153497A (en) * | 2021-04-20 | 2021-07-23 | 无锡威孚力达催化净化器有限责任公司 | Self-adaptation adds fever type urea decomposition device |
-
2017
- 2017-01-06 CN CN201720015742.0U patent/CN206830276U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194179A (en) * | 2018-03-14 | 2018-06-22 | 潍柴动力股份有限公司 | A kind of post processing air inlet mixing arrangement |
| CN109578116A (en) * | 2018-11-27 | 2019-04-05 | 安徽江淮汽车集团股份有限公司 | A kind of SCR aftertreatment system preventing urea crystals |
| CN109453666A (en) * | 2018-11-30 | 2019-03-12 | 精诚工科汽车系统有限公司 | Mixer and vehicle |
| CN109653849A (en) * | 2019-01-28 | 2019-04-19 | 凯龙高科技股份有限公司 | A kind of urea injection bimetallic tube mixer for diesel engine vent gas post-processing |
| CN112012815A (en) * | 2019-05-30 | 2020-12-01 | 日本碍子株式会社 | Exhaust gas mixer, exhaust gas purification device, and exhaust gas purification method |
| CN112012815B (en) * | 2019-05-30 | 2022-04-19 | 日本碍子株式会社 | Exhaust gas mixer, exhaust gas purification device, and exhaust gas purification method |
| CN113153497A (en) * | 2021-04-20 | 2021-07-23 | 无锡威孚力达催化净化器有限责任公司 | Self-adaptation adds fever type urea decomposition device |
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