CN211448803U - Aftertreatment packaging system with annular efficient mixing and flow disturbing device - Google Patents
Aftertreatment packaging system with annular efficient mixing and flow disturbing device Download PDFInfo
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- CN211448803U CN211448803U CN201922383712.7U CN201922383712U CN211448803U CN 211448803 U CN211448803 U CN 211448803U CN 201922383712 U CN201922383712 U CN 201922383712U CN 211448803 U CN211448803 U CN 211448803U
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- communicating pipe
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Abstract
The utility model discloses an efficient vortex device aftertreatment packaging system that mixes with ring contains the box, be equipped with DOC catalyst converter, DPF catalyst converter, urea mixer, SCR catalyst converter in the box, the both sides of box are equipped with intake pipe and outlet duct respectively, the intake pipe communicates DOC catalyst converter, DPF catalyst converter, first U type communicating pipe, urea mixer, second U type communicating pipe, SCR catalyst converter and outlet duct in proper order, first U type communicating pipe and the intraductal at least annular mixer that is equipped with of second U type communicating pipe. The utility model discloses set up the annular mixer between each catalyst converter and urea mixer, make tail gas and urea mix more evenly, improve the mixed effect of urea mixer and SCR catalyst converter inlet end air current to improve tail gas purification efficiency.
Description
Technical Field
The utility model belongs to the technical field of engine exhaust system, in particular to mix vortex device aftertreatment packaging system with annular is high-efficient.
Background
The existing internal mixer for the six-box type packaging in China is more in type, and the air flow mixing is not uniform when the design is unreasonable, so that the conversion efficiency of the catalyst is influenced, and the emission is not up to the standard.
In addition, the six box-type packaging layout of the prior country is unreasonable, the DOC catalyst needs high-efficiency heat dissipation, and the urea mixer needs heat, so that the prior box-type packaging layout is reasonable, the size is reduced, the tail gas purification efficiency is improved, and the energy consumption is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that overcome prior art's defect, provided one kind and had annular high efficiency and mixed vortex device aftertreatment packaging system, set up a plurality of ring mixers and can make tail gas and urea mix more evenly between each catalyst converter and urea mixer, improve the mixed effect of urea mixer and SCR catalyst converter inlet end air current to improve exhaust purification efficiency.
The technical scheme of the utility model:
the utility model provides a mix vortex device aftertreatment packaging system with annular high efficiency, contains the box, be equipped with DOC catalyst converter, DPF catalyst converter, urea mixer, SCR catalyst converter in the box, the both sides of box are equipped with intake pipe and outlet duct respectively, the intake pipe communicates DOC catalyst converter, DPF catalyst converter, first U type communicating pipe, urea mixer, second U type communicating pipe, SCR catalyst converter and outlet duct in proper order, first U type communicating pipe and the intraductal annular mixer that is equipped with of second U type communicating pipe at least, annular mixer and DOC catalyst converter, DPF catalyst converter, urea mixer, the coaxial setting of one or more in the SCR catalyst converter, annular mixer comprises the annular plate, sets up the through-hole on the annular plate and sets up the drainage plate on the annular plate outer wall of through-hole department.
Further, an annular mixer is coaxially arranged in the first U-shaped communicating pipe and the urea mixer, and an annular mixer is coaxially arranged in the second U-shaped communicating pipe and the SCR catalyst.
Further, be equipped with the louvre on the body of DOC catalyst converter, the louvre is the multirow circular louvre that the matrix set up, the louvre is towards the urea mixer.
Furthermore, a front NOx sensor mounting seat and an exhaust temperature sensor mounting seat are arranged on the air inlet pipe.
Furthermore, a differential pressure sensor mounting seat and a temperature exhaust sensor mounting seat are arranged on the DOC catalytic converter.
Furthermore, a urea nozzle mounting seat is arranged at the center of the urea mixer of the first U-shaped communicating pipe.
Furthermore, a temperature exhaust sensor mounting seat is arranged at the center of the SCR catalyst, and the second U-shaped communicating pipe is located.
Furthermore, a rear NOx sensor mounting seat and a PM sensor mounting seat are arranged on the air outlet pipe.
Compared with the prior art, the utility model discloses the inlet end at urea mixer and the inlet end of SCR catalyst converter set up the annular mixer, make tail gas and urea mixture more even, improve the mixed effect of urea mixer and SCR catalyst converter inlet end air current to improve tail gas purification efficiency.
Additionally, the utility model discloses with the DOC catalyst converter, the DPF catalyst converter, the urea mixer, the SCR catalyst converter design is in same box, and design a plurality of louvres on the DOC catalyst converter, in scattering the high temperature heat in the DOC catalyst converter into the box, the urea mixer needs the heat absorption at the during operation, the setting of the louvre on the DOC catalyst converter, high efficiency is in DOC catalyst converter heat transfer urea mixer and box, fully improved heat utilization efficiency, and improved tail gas purification's efficiency, and the louvre that distributes on the DOC body is convenient for provide the heat for whole box and keep warm, the wrapping material in the box outside has been saved, energy utilization rate has not only been improved, and the overall cost is reduced.
In addition, due to the design of two U-shaped communicating pipes, the DOC catalyst, the DPF catalyst, the urea mixer and the SCR catalyst are connected into a continuous U-shaped pipe, and the structure is designed in the box body, so that the volume of the box type aftertreatment system is greatly reduced; after the volume of the box-type aftertreatment system is optimized, the position design of each sensor mounting seat is further optimized, the mounting and connecting wire harness of each sensor is further reasonably arranged and optimized, and the volume of the whole aftertreatment system is reduced.
Drawings
FIG. 1 is a schematic diagram of the cross-sectional structure of the annular mixer of the present invention;
FIG. 2 is a schematic perspective sectional view of the annular mixer of the present invention;
FIG. 3 is a schematic view of the multi-ring mixer of the present invention;
FIG. 4 is a schematic diagram of the annular mixer of the present invention;
FIG. 5 is a schematic diagram of the position of each sensor of the present invention;
fig. 6 is a schematic view of a second U-shaped communicating tube structure of the present invention.
Detailed Description
The following describes in detail embodiments of the present invention with reference to the accompanying drawings.
Example 1:
the utility model provides a mix vortex device aftertreatment packaging system with annular high efficiency, as shown in fig. 1-4, contain box 1, be equipped with DOC catalyst converter 2, DPF catalyst converter 3, urea mixer 4, SCR catalyst converter 5 in the box 1, the both sides of box are equipped with intake pipe 11 and outlet duct 12 respectively, intake pipe 11 communicates DOC catalyst converter 2, DPF catalyst converter 3, first U type communicating pipe 6, urea mixer 4, second U type communicating pipe 7, SCR catalyst converter 5 and outlet duct 12 in proper order, is equipped with an annular mixer 10 in first U type communicating pipe 6 and the second U type communicating pipe 7 at least, in the first U type communicating pipe 6 with the coaxial annular mixer 10 that is equipped with of urea mixer 4, in the second U type communicating pipe 7 with the coaxial annular mixer 10 that is equipped with of SCR catalyst converter 5, annular mixer 10 comprises annular plate 101, through-hole 102 that sets up on annular plate 101 and the drainage plate 103 that sets up on the annular plate 101 outer wall of annular through-hole 102 department .
Further, be equipped with louvre 21 on the body of DOC catalyst converter 2, louvre 21 is the multirow circular louvre that the matrix set up, the louvre is towards urea mixer 4.
As shown in fig. 1-3, heat dissipation holes 21 are formed in the pipe body of the DOC catalytic converter 2, wherein the heat dissipation holes 21 are multi-row circular heat dissipation holes arranged in a matrix manner, and the heat dissipation holes face the urea mixer 4. As shown in fig. 5 and 6, a front NOx sensor mount 91 and a discharge temperature sensor mount 92 are provided on the intake pipe 11. And the DOC catalytic converter 2 is provided with a differential pressure sensor mounting seat 93 and a temperature exhaust sensor mounting seat 92. The first U-shaped communicating pipe 6 is provided with a urea nozzle mounting seat 95 at the center of the urea mixer 4. The second U-shaped communicating pipe 7 is provided with a temperature sensor mounting seat 92 at the center of the SCR catalyst 5. And a rear NOx sensor mounting seat 97 and a PM sensor mounting seat 98 are arranged on the gas outlet pipe 12.
Compared with the prior art, the utility model discloses at the inside multi-blade mixer that sets up of urea mixer to the inlet end at urea mixer and the inlet end of SCR catalyst converter sets up the annular mixer, makes tail gas and urea mix more evenly, promotes the homogeneity of SCR catalyst converter inlet end air current, thereby improves tail gas purification efficiency.
Additionally, the utility model discloses with the DOC catalyst converter, the DPF catalyst converter, the urea mixer, the SCR catalyst converter design is in same box, and design a plurality of louvres on the DOC catalyst converter, in scattering the high temperature heat in the DOC catalyst converter into the box, the urea mixer needs the heat absorption at the during operation, the setting of the louvre on the DOC catalyst converter, high efficiency is in DOC catalyst converter heat transfer urea mixer and box, fully improved heat utilization efficiency, and improved tail gas purification's efficiency, and the louvre that distributes on the DOC body is convenient for provide the heat for whole box and keep warm, the wrapping material in the box outside has been saved, energy utilization rate has not only been improved, and the overall cost is reduced.
In addition, due to the design of two U-shaped communicating pipes, the DOC catalyst, the DPF catalyst, the urea mixer and the SCR catalyst are connected into a continuous U-shaped pipe, and the structure is designed in the box body, so that the volume of the box type aftertreatment system is greatly reduced; after the volume of the box-type aftertreatment system is optimized, the position design of each sensor mounting seat is further optimized, the mounting and connecting wire harness of each sensor is further reasonably arranged and optimized, and the volume of the whole aftertreatment system is reduced.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. The present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only for illustrating the principle of the present invention, and the present invention will have various changes and improvements without departing from the spirit and scope of the present invention, and these changes and improvements all fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides an after-treatment packaging system with annular high-efficient mixed vortex device which characterized in that: aftertreatment packaging system contains the box, be equipped with DOC catalyst converter, DPF catalyst converter, urea mixer, SCR catalyst converter in the box, the both sides of box are equipped with intake pipe and outlet duct respectively, the intake pipe communicates DOC catalyst converter, DPF catalyst converter, first U type communicating pipe, urea mixer, second U type communicating pipe, SCR catalyst converter and outlet duct in proper order, be equipped with an annular mixer in first U type communicating pipe and the second U type communicating pipe at least, annular mixer and DOC catalyst converter, DPF catalyst converter, urea mixer, the coaxial setting of one or more in the SCR catalyst converter, the annular mixer comprises the annular plate, sets up the through-hole on the annular plate and sets up the drainage board on the annular plate outer wall of through-hole department.
2. The aftertreatment packaging system with an annular high efficiency hybrid turbulator of claim 1, wherein: an annular mixer is coaxially arranged in the first U-shaped communicating pipe and the urea mixer, and an annular mixer is coaxially arranged in the second U-shaped communicating pipe and the SCR catalyst.
3. The aftertreatment packaging system with an annular high efficiency hybrid turbulator of claim 1, wherein: be equipped with the louvre on the body of DOC catalyst converter, the louvre is the circular louvre of multirow that the matrix set up, the louvre is towards the urea mixer.
4. The aftertreatment packaging system with an annular high efficiency hybrid turbulator of claim 1, wherein: and the air inlet pipe is provided with a front NOx sensor mounting seat and a heat exhaust sensor mounting seat.
5. The aftertreatment packaging system with an annular high efficiency hybrid turbulator of claim 1, wherein: and the DOC catalytic converter is provided with a differential pressure sensor mounting seat and a temperature exhaust sensor mounting seat.
6. The aftertreatment packaging system with an annular high efficiency hybrid turbulator of claim 1, wherein: and a urea nozzle mounting seat is arranged at the center of the urea mixer of the first U-shaped communicating pipe.
7. The aftertreatment packaging system with an annular high efficiency hybrid turbulator of claim 1, wherein: and a temperature exhaust sensor mounting seat is arranged at the center of the SCR catalyst in the second U-shaped communicating pipe.
8. The aftertreatment packaging system with an annular high efficiency hybrid turbulator of claim 1, wherein: and the gas outlet pipe is provided with a rear NOx sensor mounting seat and a PM sensor mounting seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922383712.7U CN211448803U (en) | 2019-12-26 | 2019-12-26 | Aftertreatment packaging system with annular efficient mixing and flow disturbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922383712.7U CN211448803U (en) | 2019-12-26 | 2019-12-26 | Aftertreatment packaging system with annular efficient mixing and flow disturbing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211448803U true CN211448803U (en) | 2020-09-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922383712.7U Active CN211448803U (en) | 2019-12-26 | 2019-12-26 | Aftertreatment packaging system with annular efficient mixing and flow disturbing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211448803U (en) |
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2019
- 2019-12-26 CN CN201922383712.7U patent/CN211448803U/en active Active
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