CN207879446U - Box-type exhaust post-treatment apparatus of engine - Google Patents
Box-type exhaust post-treatment apparatus of engine Download PDFInfo
- Publication number
- CN207879446U CN207879446U CN201820096443.9U CN201820096443U CN207879446U CN 207879446 U CN207879446 U CN 207879446U CN 201820096443 U CN201820096443 U CN 201820096443U CN 207879446 U CN207879446 U CN 207879446U
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- post
- cavity components
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- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000004202 carbamide Substances 0.000 claims abstract description 19
- 230000000712 assembly Effects 0.000 claims abstract description 7
- 238000000429 assembly Methods 0.000 claims abstract description 7
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 238000012805 post-processing Methods 0.000 claims description 7
- 239000003054 catalyst Substances 0.000 claims description 6
- 230000003197 catalytic effect Effects 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 2
- 239000013078 crystal Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000006555 catalytic reaction Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
A kind of box-type exhaust post-treatment apparatus of engine comprising shell, several aftertreatment assemblies in the shell and the cavity components that aftertreatment assembly connection is got up.The cavity components include the first cavity components, the second cavity components, mixer tube assembly and third cavity components.The mixer tube assembly includes mixing tube, and the mixing tube includes inner chamber body, be centered around peripheral and circumferentially distributed several fins of the inner chamber body, several flutings being connected to corresponding to several fins and with the inner chamber body and the antipriming pipe in the mixing tube.Compared to the prior art, the utility model enhances the broken and heat transfer effect between wall surface of urea, to reduce the risk of urea crystals by the way that antipriming pipe is arranged.
Description
Technical field
The utility model is related to a kind of box-type exhaust post-treatment apparatus of engine.
Background technology
Box-type exhaust post-treatment apparatus of engine (such as diesel engine exhausting after-treatment device) be primarily used to processing or
Toxic and harmful substance device in evolution exhaust.Harmful toxic matter in exhaust includes mainly hydrocarbon, carbon monoxide, nitrogen
Oxide and particulate matter etc..
Have in the prior art using diesel oxidation catalyst (DOC), diesel particulate trap (DPF) and selectivity
Catalytic reducer (SCR) combined scheme improves the efficiency of vent gas treatment.In a kind of scheme, the oxidized form catalysis turns
Parallel operation is arranged in series in grain catcher in first shell, and the first cavity being connected to the first shell is in addition arranged；
The selective catalytic reducing agent is arranged in second shell, and the second cavity being connected to the second shell is in addition arranged；
Then first, second cavity is together in series by connecting pipe.Exhaust is mixed with urea droplets in connecting pipe,
Mixture subsequently enters the second cavity, then by selective catalytic reducing agent, to reduce harmful substance.However, exhaust and urea
The mixture of drop is unevenly distributed, and then cannot make mixture uniformly by the selectivity after entering the second cavity
Catalytic reducer, it reduce treatment effeciencies.
Utility model content
Exhaust can be made to realize the more uniform babinet mixed with urea liquid the purpose of this utility model is to provide a kind of
Formula exhaust post-treatment apparatus of engine.
To achieve the above object, the utility model adopts the following technical solution：A kind of box-type engine exhaust post-processing
Device comprising shell, several aftertreatment assemblies in the shell and by the aftertreatment assembly connection get up
Cavity components, the shell include first baffle, second baffle and the shell for being wrapped in the first, second baffle periphery,
The first baffle be equipped with first end face and the second end face opposite with the first end face, the second baffle be equipped with towards
The third end face of the second end face and fourth end face opposite with the third end face；Several aftertreatment assemblies include
Be at least partially disposed at the first aftertreatment assembly between first, second baffle, be aligned with first aftertreatment assembly and
The second interconnected aftertreatment assembly and the third post-processing group being arranged side by side with first, second aftertreatment assembly
Part；The cavity components include being located at the first cavity group being connected in the first end face and with first aftertreatment assembly
Part, on the 4th end face and be connected with second aftertreatment assembly the second cavity components, with second chamber
Mixer tube assembly that body component is connected and in the second end face and to by the mixer tube assembly and described the
The third cavity components that three aftertreatment assemblies are connected；The mixer tube assembly includes mixing tube, and the mixing tube includes inner cavity
Body, the peripheral and circumferentially distributed several fins for being centered around the inner chamber body, correspond to several fins and with it is described interior
Several flutings and the antipriming pipe in the mixing tube of cavity connection.
As the further improved technical solution of the utility model, the box-type exhaust post-treatment apparatus of engine includes
The exhaust entrance being connected with first cavity components.
As the further improved technical solution of the utility model, the cavity components further include being located at the 4th end face
The 4th cavity components that are upper and being connected with the third aftertreatment assembly, the box-type exhaust post-treatment apparatus of engine packet
Include the air exit being connected with the 4th cavity components.
As the further improved technical solution of the utility model, the second baffle be equipped with through the third end face with
The through-hole of 4th end face, the mixing tube vacantly pass through the through-hole.
As the further improved technical solution of the utility model, the mixer tube assembly includes being located at the third end face
And corresponding to the sleeve part of the through-hole, the sleeve part is equipped with the extended cavity, and the fin is at least partially disposed at the expansion
It opens up in chamber.
As the further improved technical solution of the utility model, first aftertreatment assembly includes diesel oil oxidation catalysis
Agent and the first perforated distributor positioned at the upstream of the diesel oxidation catalyst, first perforated distributor are exposed to institute
It states in first end face to be connected with first cavity components.
As the further improved technical solution of the utility model, second aftertreatment assembly includes diesel particulate trapping
Device.
As the further improved technical solution of the utility model, the third aftertreatment assembly include selective catalysis also
Former agent.
As the further improved technical solution of the utility model, the box-type exhaust post-treatment apparatus of engine includes
To install the mounting portion of urea nozzle, the urea nozzle into the antipriming pipe spraying urea droplets.
Compared to the prior art, the utility model enhances the broken and its and wall of urea droplets by the way that antipriming pipe is arranged
Heat transfer effect between face, to reduce the risk of urea crystals.
Description of the drawings
Fig. 1 is the stereoscopic schematic diagram of the utility model box-type exhaust post-treatment apparatus of engine.
Fig. 2 is the stereoscopic schematic diagram of another angles of Fig. 1.
Fig. 3 is the front view of Fig. 1.
Fig. 4 is the rearview of Fig. 1.
Fig. 5 is the vertical view of Fig. 1.
Fig. 6 is the upward view of Fig. 1.
Fig. 7 is the left view of Fig. 1.
Fig. 8 is the right view of Fig. 1.
Fig. 9 is the diagrammatic cross-section of the line A-A along Fig. 3.
Figure 10 is the diagrammatic cross-section of the line B-B along Fig. 3.
Figure 11 is the diagrammatic cross-section of the line C-C along Fig. 3.
Figure 12 is the part isometric exploded view of Fig. 1.
Figure 13 is the stereogram exploded view of another angles of Figure 12.
Figure 14 is the front view removed in Figure 12 after the elements such as end cap and holder.
Figure 15 is the rearview of Figure 14.
Figure 16 is the vertical view of Figure 14.
Figure 17 is the upward view of Figure 14.
Figure 18 is the left view of Figure 14.
Figure 19 is the right view of Figure 14.
Figure 20 is the further stereogram exploded views of Figure 12.
Figure 21 is the stereogram exploded view of another angles of Figure 20.
Figure 22 is the front view removed in Figure 20 after the elements such as part cavity components and holder.
Figure 23 is the vertical view of Figure 22.
Figure 24 is the upward view of Figure 22.
Figure 25 is the left view of Figure 22.
Figure 26 is the right view of Figure 22.
Figure 27 is the further stereogram exploded views of Figure 20.
Figure 28 is the stereogram exploded view of another angles of Figure 27.
Figure 29 is the further stereogram exploded views of Figure 27.
Figure 30 is the stereogram exploded view of another angles of Figure 29.
Figure 31 is the stereogram exploded view of mixer tube assembly.
Figure 32 is the stereogram exploded view of another angles of Figure 31.
Specific implementation mode
It please join shown in Fig. 1 to Figure 32, the utility model discloses a kind of box-type exhaust post-treatment apparatus of engine 100,
It includes shell 1, several aftertreatment assemblies in the shell 1 and the cavity that aftertreatment assembly connection is got up
Component.
In the utility model embodiment illustrated, the shell 1 includes first baffle 11, second baffle 12, package
The periphery of first, second baffle 11,12 shell 13 and with 13 matched first end cover 14 of the shell and the
Two end caps 15.It please join shown in Fig. 2, Figure 10, Figure 30 and Figure 31, the box-type exhaust post-treatment apparatus of engine 100 further includes
To install the mounting portion 16 of urea nozzle (not shown).
The first baffle 11 is equipped with first end face 111 and the second end face 112 opposite with the first end face 111.
The second baffle 12 is equipped with third end face 121 towards the second end face 112 and opposite with the third end face 121
4th end face 122.
Several aftertreatment assemblies include after first between being at least partially disposed at first, second baffle 11,12
Processing component 21, the second aftertreatment assembly 22 for being aligned and being interconnected with first aftertreatment assembly 21 and with described
One, the third aftertreatment assembly 23 that the second aftertreatment assembly 21,22 is arranged side by side.In the utility model embodiment illustrated
In, first aftertreatment assembly 21 is including diesel oxidation catalyst 211 and positioned at the upstream of the diesel oxidation catalyst
The first perforated distributor 212.Second aftertreatment assembly 22 includes diesel particulate trap 221.Third aftertreatment assembly
23 include selective catalytic reducing agent 231.
The cavity components include being located in the first end face 111 and being connected with first aftertreatment assembly 21
First cavity components 31, on the 4th end face 122 and the second cavity for being connected with second aftertreatment assembly 22
Component 32, the mixer tube assembly 33 being connected with second cavity components 32 are located in the second end face 112 and to incite somebody to action
Third cavity components 34 that the mixer tube assembly 33 is connected with the third aftertreatment assembly 23 and it is located at the described 4th
The 4th cavity components 35 being connected on end face 122 and with the third aftertreatment assembly 23.
The box-type exhaust post-treatment apparatus of engine 100 includes the exhaust being connected with first cavity components 31
Entrance 36 and the air exit 37 being connected with the 4th cavity components 35.
The mixer tube assembly 33 include mixing tube 38 and with 38 matched sleeve part 39 of mixing tube.The mixing tube
38 include inner chamber body 381, peripheral and circumferentially distributed several fins 382 for being centered around the inner chamber body 381, correspond to it is described
Several fins 382 and several flutings 383 being connected to the inner chamber body 381 and the antipriming pipe in the mixing tube 38
384.The antipriming pipe 384 is axial at least partly Chong Die with the fin 382 along it.The urea nozzle is to described porous
Urea droplets are sprayed in pipe 384, urea droplets enhance the broken and its heat transfer effect between mixing tube 38 of urea, to drop
The low risk of urea crystals.
The second baffle 12 is equipped with the through-hole 123 through the third end face 121 and the 4th end face 122, described
Mixing tube 38 vacantly passes through the through-hole 123, the fin 382 at least partly to extend beyond the second baffle 12.It is described
Sleeve part 39 is located on the third end face 121 and corresponds to the through-hole 123.The sleeve part 39 is equipped with the extended cavity
391, the fin 382 is at least partially disposed in the extended cavity 391.The utility model is by being arranged sleeve part 39, in babinet
The inside of formula exhaust post-treatment apparatus of engine 100 increases installation space, is not limited to the post-processing of box-type engine exhaust
The overall dimensions of device 100, and the back pressure of system can be adjusted flexibly by adjusting the volume of extended cavity 391, realize standard
Change design.
In addition, above example is merely to illustrate the utility model and not limits technical side described in the utility model
Case, understanding of this description should be based on persons of ordinary skill in the field, although this specification is with reference to above-mentioned
Embodiment has been carried out detailed description to the utility model, still, it will be understood by those of ordinary skill in the art that, affiliated skill
The technical staff in art field still can be modified or replaced equivalently the utility model, and all do not depart from this practicality newly
The technical solution of the spirit and scope of type and its improvement should all be covered in the right of the utility model.
Claims (9)
1. a kind of box-type exhaust post-treatment apparatus of engine comprising shell, several post-processing groups in the shell
Part and the cavity components that aftertreatment assembly connection is got up, the shell includes first baffle, second baffle and packet
Be rolled in the shell of the first, second baffle periphery, the first baffle be equipped with first end face and with the first end face phase
The second end face of the back of the body, the second baffle are equipped with third end face towards the second end face and opposite with the third end face
The 4th end face；Several aftertreatment assemblies include after first between being at least partially disposed at first, second baffle
Reason component, the second aftertreatment assembly for being aligned and be interconnected with first aftertreatment assembly and with described first, second
The third aftertreatment assembly that aftertreatment assembly is arranged side by side；It is characterized in that：The cavity components include being located at the first end
The first cavity components for being connected on face and with first aftertreatment assembly are located on the 4th end face and with described second
The second cavity components that aftertreatment assembly is connected, the mixer tube assembly being connected with second cavity components and it is located at
Third cavity components in the second end face and the mixer tube assembly to be connected with the third aftertreatment assembly；
The mixer tube assembly includes mixing tube, and the mixing tube includes inner chamber body, is centered around the periphery and circumferentially of the inner chamber body
Several fins of distribution, several flutings for be connected to corresponding to several fins and with the inner chamber body and positioned at the mixing
Antipriming pipe in pipe.
2. box-type exhaust post-treatment apparatus of engine as described in claim 1, it is characterised in that：The box-type engine
Exhaust gas post-treatment device includes the exhaust entrance being connected with first cavity components.
3. box-type exhaust post-treatment apparatus of engine as described in claim 1, it is characterised in that：The cavity components also wrap
The 4th cavity components being connected on the 4th end face and with the third aftertreatment assembly are included, the box-type starts
Machine exhaust gas post-treatment device includes the air exit being connected with the 4th cavity components.
4. box-type exhaust post-treatment apparatus of engine as described in claim 1, it is characterised in that：The second baffle is equipped with
Through-hole through the third end face and the 4th end face, the mixing tube vacantly pass through the through-hole.
5. box-type exhaust post-treatment apparatus of engine as claimed in claim 4, it is characterised in that：The mixer tube assembly packet
The sleeve part positioned at the third end face and corresponding to the through-hole is included, the sleeve part is equipped with extended cavity, and the fin is at least
Part is located in the extended cavity.
6. box-type exhaust post-treatment apparatus of engine as described in claim 1, it is characterised in that：The first post-processing group
Part includes diesel oxidation catalyst and the first perforated distributor positioned at the upstream of the diesel oxidation catalyst, and described first
Perforated distributor is exposed in the first end face to be connected with first cavity components.
7. box-type exhaust post-treatment apparatus of engine as claimed in claim 6, it is characterised in that：The second post-processing group
Part includes diesel particulate trap.
8. box-type exhaust post-treatment apparatus of engine as claimed in claim 7, it is characterised in that：The third post-processing group
Part includes selective catalytic reducing agent.
9. box-type exhaust post-treatment apparatus of engine as described in claim 1, it is characterised in that：The box-type engine
Exhaust gas post-treatment device includes the mounting portion for installing urea nozzle, and the urea nozzle into the antipriming pipe spraying
Urea droplets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820096443.9U CN207879446U (en) | 2018-01-19 | 2018-01-19 | Box-type exhaust post-treatment apparatus of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820096443.9U CN207879446U (en) | 2018-01-19 | 2018-01-19 | Box-type exhaust post-treatment apparatus of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207879446U true CN207879446U (en) | 2018-09-18 |
Family
ID=63508363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820096443.9U Active CN207879446U (en) | 2018-01-19 | 2018-01-19 | Box-type exhaust post-treatment apparatus of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207879446U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056416A (en) * | 2018-01-19 | 2019-07-26 | 天纳克（苏州）排放系统有限公司 | Box-type exhaust post-treatment apparatus of engine |
-
2018
- 2018-01-19 CN CN201820096443.9U patent/CN207879446U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110056416A (en) * | 2018-01-19 | 2019-07-26 | 天纳克（苏州）排放系统有限公司 | Box-type exhaust post-treatment apparatus of engine |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |