CN209637847U - SCR post-processes cylinder and connects sealing device - Google Patents
SCR post-processes cylinder and connects sealing device Download PDFInfo
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- CN209637847U CN209637847U CN201920313619.6U CN201920313619U CN209637847U CN 209637847 U CN209637847 U CN 209637847U CN 201920313619 U CN201920313619 U CN 201920313619U CN 209637847 U CN209637847 U CN 209637847U
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- cylinder
- dpf
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- flanging section
- hump
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- Exhaust Gas After Treatment (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
The utility model relates to a kind of SCR to post-process cylinder, and specifically SCR post-processes cylinder and connects sealing device, belong to tail gas treatment system of diesel engine technical field.It includes DOC cylinder and DPF cylinder, and DOC cylinder connects DPF cylinder one end nozzle and is equipped with flanging section, and flanging section is socketed on DPF cylinder, and flanging section is tightly attached to one side surface of hump pipe, and flanging section is turned down from cylinder inner ring to cylinder outer ring direction；The flanging section and hump pipe outer ring are equipped with anchor ear, and anchor ear is located at DPF cylinder side inner face and is pressed on hump pipe surface, and anchor ear is located at DOC cylinder side inner face and flanging section is pressed on hump pipe surface.The utility model structure is simple, compact, reasonable, can guarantee cylinder link position favorable sealing property, and can fast and easily realize disassembly.
Description
Technical field
The utility model relates to a kind of SCR to post-process cylinder, and specifically SCR post-processes cylinder and connects sealing device,
Belong to tail gas treatment system of diesel engine technical field.
Background technique
Increasingly strict with diesel engine emissions regulations, exhaust aftertreatment technology is the technical measures that must be used.And SCR
Tail gas treatment device must connect DPF vent gas treatment cylinder to meet VI emissions requirements of state, DPF vent gas treatment cylinder it is basic
Principle is to trap the carbon particle in vehicle exhaust by special structure design, needs regular regeneration.DPF vent gas treatment cylinder
In order to meet passive regeneration demand, it is necessary to by barrel designs at Detachable connection structure, after connection structure disassembly assembling
There is higher air-tightness requirement again.In the prior art, some post-processing cylinder connection structures are in order to guarantee that higher air-tightness is wanted
Derivation causes disassembly inconvenient, and some post-processing cylinder connection structures are in order to guarantee that convenient disassembly affects sealing performance again.
Summary of the invention
In place of the purpose of this utility model is to overcome above-mentioned deficiency, so that it is close to provide a kind of SCR post-processing cylinder connection
Seal apparatus can guarantee cylinder link position favorable sealing property, and can fast and easily realize disassembly.
According to technical solution provided by the utility model, SCR post-processing cylinder connection sealing device include DOC cylinder and
DPF cylinder, it is characterized in that: one circle hump pipe of DPF barrel outer surface welding, hump pipe are located at DPF cylinder connection DOC cylinder one end
At nozzle position；DOC cylinder connection DPF cylinder one end nozzle is equipped with flanging section, and flanging section is socketed in DPF cylinder
On, and flanging section is tightly attached to one side surface of hump pipe, and flanging section is turned down from cylinder inner ring to cylinder outer ring direction；It is described
Flanging section and hump pipe outer ring are equipped with anchor ear, and anchor ear is located at DPF cylinder side inner face and is pressed on hump pipe surface, anchor ear position
Flanging section is pressed on hump pipe surface in DOC cylinder side inner face.
Further, the hump height H of hump pipe is 5 ~ 50mm, and hump flaring angle γ is 90 ° ~ 150 °, the contracting of hump pipe
Mouth section and flared section angle β are 0 ° ~ 90 °.
Further, DOC cylinder is equipped with flared section, and flared section connects flanging section by changeover portion, and changeover portion is flat
Straight barrel structure.
Further, gasket seal is equipped between flanging section and hump pipe.
Further, the flange height g of flanging section is 5 ~ 50mm, and flange angle [alpha] is 90 ° ~ 150 °.
Compared with the prior art the utility model has the advantage that
The utility model structure is simple, compact, reasonable, can guarantee cylinder link position favorable sealing property, and energy
It is enough fast and easily to realize disassembly.
Detailed description of the invention
Fig. 1 is the utility model main view.
Fig. 2 is the utility model main view.
Fig. 3 is the utility model main view.
Description of symbols: 1-DOC cylinder, 2-DPF cylinder, 3- anchor ear, 4- hump pipe, 5- gasket seal, 6- flanging
Section, 7- flared section, 8- changeover portion.
Specific embodiment
The utility model will be further described in conjunction with the embodiment in attached drawing below:
As shown in Fig. 1 ~ 3, the utility model mainly includes DOC cylinder 1 and DPF cylinder 2,2 outer surface of DPF cylinder welding one
Hump pipe 4 is enclosed, hump pipe 4 is located at DPF cylinder 2 and connects at 1 one end nozzle position of DOC cylinder.
In the embodiment shown in fig. 3, the hump height H of the hump pipe 4 is 5 ~ 50mm, and hump flaring angle γ is
90 ° ~ 150 °, 4 necking section of hump pipe and flared section angle β are 0 ° ~ 90 °.
The DOC cylinder 1 connects 2 one end nozzle of DPF cylinder and is equipped with flanging section 6, and flanging section 6 is socketed in DPF cylinder 2
On, and flanging section 6 is tightly attached to 4 one side surface of hump pipe, and flanging section 6 is turned down from cylinder inner ring to cylinder outer ring direction.
The DOC cylinder 1 is equipped with flared section 7, and flared section 7 connects flanging section 6 by changeover portion 8, and changeover portion 8 is flat
Straight barrel structure.
The flanging section 6 and 4 outer ring of hump pipe are equipped with anchor ear 3, and anchor ear 3 is located at 2 side inner face of DPF cylinder and is pressed on
4 surface of hump pipe, anchor ear 3 are located at 1 side inner face of DOC cylinder and flanging section 6 are pressed on 4 surface of hump pipe.
Gasket seal 5 is equipped between the flanging section 6 and hump pipe 4, gasket seal 5 can further increase flanging
Sealing performance between section 6 and hump pipe 4.
In the embodiment shown in fig. 3, the flange height g of the flanging section 6 be 5 ~ 50mm, flange angle [alpha] be 90 ° ~
150°。
The working principle of the utility model is: the flanging section 6 of DOC cylinder 1 is socketed in DPF first in connection
On body 2, then flanging section 6 is pressed on hump pipe 4 by anchor ear, to realize the sealing of DOC cylinder 1 and DPF cylinder 2
Connection.In disassembly, it is only necessary to unclamp anchor ear, it will be able to easily separate DOC cylinder 1 and DPF cylinder 2.
The utility model structure is simple, compact, reasonable, can guarantee cylinder link position favorable sealing property, and energy
It is enough fast and easily to realize disassembly.
Claims (5)
1. a kind of SCR post-processing cylinder connects sealing device, including DOC cylinder (1) and DPF cylinder (2), it is characterized in that: DPF
One circle hump pipe (4) of body (2) outer surface welding, hump pipe (4) are located at DPF cylinder (2) connection DOC cylinder (1) one end nozzle position
Set place；DOC cylinder (1) connection DPF cylinder (2) one end nozzle is equipped with flanging section (6), and flanging section (6) is socketed in DPF
On cylinder (2), and flanging section (6) is tightly attached to (4) one side surface of hump pipe, and flanging section (6) is from cylinder inner ring to cylinder
The fold of outer ring direction；The flanging section (6) and hump pipe (4) outer ring are equipped with anchor ear (3), and anchor ear (3) is located at DPF cylinder (2)
Side inner face is pressed on hump pipe (4) surface, and anchor ear (3) is located at DOC cylinder (1) side inner face and presses flanging section (6)
Tightly on hump pipe (4) surface.
2. SCR post-processing cylinder as described in claim 1 connects sealing device, it is characterized in that: the hump of the hump pipe (4)
Height H is 5 ~ 50mm, and hump flaring angle γ is 90 ° ~ 150 °, and hump pipe (4) necking section and flared section angle β are 0 ° ~ 90 °.
3. SCR post-processing cylinder as described in claim 1 connects sealing device, it is characterized in that: setting on the DOC cylinder (1)
Have flared section (7), for flared section (7) by changeover portion (8) connection flanging section (6), changeover portion (8) is straight tube structure.
4. SCR post-processing cylinder as described in claim 1 connects sealing device, it is characterized in that: the flanging section (6) and camel
Gasket seal (5) are equipped between peak pipe (4).
5. SCR post-processing cylinder as described in claim 1 connects sealing device, it is characterized in that: flanging section (6) are turned over
Side height g is 5 ~ 50mm, and flange angle [alpha] is 90 ° ~ 150 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920313619.6U CN209637847U (en) | 2019-03-12 | 2019-03-12 | SCR post-processes cylinder and connects sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920313619.6U CN209637847U (en) | 2019-03-12 | 2019-03-12 | SCR post-processes cylinder and connects sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209637847U true CN209637847U (en) | 2019-11-15 |
Family
ID=68495919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920313619.6U Active CN209637847U (en) | 2019-03-12 | 2019-03-12 | SCR post-processes cylinder and connects sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209637847U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736922A (en) * | 2019-03-12 | 2019-05-10 | 无锡威孚力达催化净化器有限责任公司 | SCR post-processes cylinder and connects sealing device |
| WO2021212743A1 (en) * | 2020-04-21 | 2021-10-28 | 天纳克（苏州）排放系统有限公司 | Exhaust aftertreatment package |
-
2019
- 2019-03-12 CN CN201920313619.6U patent/CN209637847U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109736922A (en) * | 2019-03-12 | 2019-05-10 | 无锡威孚力达催化净化器有限责任公司 | SCR post-processes cylinder and connects sealing device |
| WO2021212743A1 (en) * | 2020-04-21 | 2021-10-28 | 天纳克（苏州）排放系统有限公司 | Exhaust aftertreatment package |
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