CN111188675A - Diesel engine tail gas after-treatment device - Google Patents
Diesel engine tail gas after-treatment device Download PDFInfo
- Publication number
- CN111188675A CN111188675A CN202010213836.5A CN202010213836A CN111188675A CN 111188675 A CN111188675 A CN 111188675A CN 202010213836 A CN202010213836 A CN 202010213836A CN 111188675 A CN111188675 A CN 111188675A
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- Prior art keywords
- mixing
- pipe
- component
- aftertreatment
- cylinder
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/009—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having two or more separate purifying devices arranged in series
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
- F01N13/1844—Mechanical joints
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
- F01N13/1844—Mechanical joints
- F01N13/185—Mechanical joints the connection being realised by deforming housing, tube, baffle, plate, or parts thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2882—Catalytic reactors combined or associated with other devices, e.g. exhaust silencers or other exhaust purification devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model provides a diesel engine tail gas aftertreatment device, its includes first aftertreatment subassembly, second aftertreatment subassembly, mixing assembly, third aftertreatment subassembly and connects the mixing assembly with the connecting tube subassembly of third aftertreatment subassembly, wherein mixing assembly includes the hybrid tube and installs the steel wool blender in the hybrid tube, the hybrid tube is equipped with a plurality of fins that supply tail gas to flow in order to form the whirl. Compared with the prior art, the urea crushing is improved and the mixing effect is improved by arranging the steel wool mixer in the mixing pipe; in addition, the mixing assembly and the third post-processing assembly are connected by the connecting pipe assembly, the mounting position of the third post-processing assembly can be adjusted according to different requirements, and the mounting flexibility is improved.
Description
Technical Field
The invention relates to a diesel engine tail gas post-treatment device, and belongs to the technical field of diesel engine tail gas post-treatment.
Background
Diesel exhaust aftertreatment devices typically include a housing and, enclosed therein, a diesel catalytic oxidizer (DOC), a diesel particulate trap (DPF), and a Selective Catalytic Reductant (SCR). In order to improve the performance of diesel exhaust after-treatment devices, they also typically include a mixing device downstream of the diesel particulate trap (DPF) and upstream of the Selective Catalytic Reduction (SCR). With the continuous upgrading of emission regulations, how to better optimize a mixing device and improve the flexibility of the arrangement of a diesel engine exhaust after-treatment device is a technical problem to be solved.
Disclosure of Invention
The invention aims to provide a diesel engine tail gas aftertreatment device which is high in mixing capacity and good in arrangement flexibility.
In order to achieve the purpose, the invention adopts the following technical scheme: a diesel exhaust aftertreatment device comprising a first aftertreatment component, a second aftertreatment component connected downstream of the first aftertreatment component, a mixing component connected downstream of the second aftertreatment component, a third aftertreatment component located downstream of the mixing component, and a junction block assembly connecting the mixing component and the third aftertreatment component, wherein the first aftertreatment component comprises a first housing, a first catalyst carrier encapsulated in the first housing, and an air intake cavity located upstream of the first catalyst carrier; the second aftertreatment assembly includes a second housing and a second catalyst carrier encapsulated in the second housing; the third aftertreatment component comprises a third housing, a third catalyst carrier encapsulated in the third housing, and a connection cavity located upstream of the third catalyst carrier; the mixing assembly comprises a fourth shell, a mixing pipe positioned in the fourth shell and a steel wool mixer arranged in the mixing pipe, and the mixing pipe is provided with a plurality of fins for tail gas to flow in to form rotational flow; the connecting pipe assembly is used for communicating the mixing pipe and the connecting cavity.
As a further improved technical solution of the present invention, the second post-processing assembly is detachably connected between the first post-processing assembly and the mixing assembly.
As a further improved technical scheme of the invention, the diesel engine tail gas aftertreatment device is provided with an air inlet pipe at least partially inserted into the air inlet cavity, the air inlet pipe is provided with a cylindrical pipe wall, and one side of the pipe wall, which is back to the first catalyst carrier, is provided with a plurality of air inlet holes.
As a further improved technical solution of the present invention, the first housing includes a first cylindrical body and a first end cap fixed to one end of the first cylindrical body, wherein the air inlet pipe penetrates through a wall portion of the first cylindrical body to be inserted into the air inlet cavity, an axis of the air inlet pipe is perpendicular to an axis of the first cylindrical body, and the air inlet pipe is located between the first end cap and the first catalyst carrier.
As a further improved technical solution of the present invention, the fourth housing includes a cylindrical fourth cylinder and a second end cap fixed to one end of the fourth cylinder, and an axis of the mixing pipe is perpendicular to an axis of the fourth cylinder.
As a further improved technical solution of the present invention, the second housing includes a cylindrical second cylinder, and the first cylinder, the second cylinder, and the fourth cylinder are aligned.
As a further improved technical solution of the present invention, the fourth housing includes a nozzle mount mounted on the fourth cylinder, the nozzle mount is used for mounting a urea nozzle, the urea nozzle is used for spraying atomized urea liquid droplets into the mixing pipe, and the fin is located between the nozzle mount and the steel wool mixer in the axial direction of the mixing pipe.
As a further improved technical solution of the present invention, the connection pipe assembly is provided with a flexible pipe adjacent to the third housing.
As a further improved technical solution of the present invention, the third shell includes a cylindrical third cylinder, a mounting bracket connected to the bottom of the third cylinder, an end cone connected to the top of the third cylinder, and an exhaust gas outlet communicated with the end cone, and the third cylinder is perpendicular to the first cylinder, the second cylinder, and the fourth cylinder.
As a further improved technical solution of the present invention, the first catalyst carrier is a diesel catalytic oxidizer (DOC), the second catalyst carrier is a diesel particulate trap (DPF), and the third catalyst carrier is a Selective Catalytic Reducer (SCR).
Compared with the prior art, the urea crushing is improved and the mixing effect is improved by arranging the steel wool mixer in the mixing pipe; in addition, the mixing assembly and the third post-processing assembly are connected by the connecting pipe assembly, the mounting position of the third post-processing assembly can be adjusted according to different requirements, and the mounting flexibility is improved.
Drawings
Fig. 1 is a schematic perspective view of a diesel exhaust aftertreatment device of the present invention.
FIG. 2 is a schematic cross-sectional view of the first aftertreatment assembly, the second aftertreatment assembly, and the mixing assembly taken along line A-A of FIG. 1.
Fig. 3 is an exploded perspective view of the mixing assembly.
Detailed Description
Referring to fig. 1 to 3, the present invention discloses a diesel engine exhaust gas aftertreatment device 100, which includes a first aftertreatment component 1, a second aftertreatment component 2 connected to a downstream of the first aftertreatment component 1, a mixing component 4 connected to a downstream of the second aftertreatment component 2, a third aftertreatment component 3 located downstream of the mixing component 4, and a connecting pipe component 5 connecting the mixing component 4 and the third aftertreatment component 3.
The first aftertreatment assembly 1 comprises a first housing 11, a first catalyst carrier 12 enclosed in the first housing 11, and an air intake cavity 13 upstream of the first catalyst carrier 12. The first housing 11 includes a first cylindrical body 111 having a cylindrical shape and a first end cap 112 fixed to one end of the first cylindrical body 111. The first catalyst carrier 12 is enclosed in the first cylinder 111. In one embodiment of the present invention, the first catalyst carrier 12 is a diesel catalytic oxidizer (DOC).
The diesel engine exhaust aftertreatment device 100 is provided with an air inlet pipe 14 at least partially inserted into the air inlet cavity 13, the air inlet pipe 14 is provided with a cylindrical pipe wall 141, and one side of the pipe wall 141, which faces away from the first catalyst carrier 12, is provided with a plurality of air inlet holes 142. With such an arrangement, after the exhaust gas of the diesel engine enters the air inlet pipe 14, the exhaust gas flows out of the air inlet hole 142, passes through a longer flow path and then reaches the surface of the first catalyst carrier 12, so that the uniformity of air flow distribution is improved. The intake pipe 14 passes through the wall portion 1111 of the first cylinder 111 to be inserted into the intake chamber 13, the axis 140 of the intake pipe 14 is perpendicular to the axis 1110 of the first cylinder 111, and the intake pipe 14 is located between the first end cover 112 and the first catalyst carrier 12.
The second aftertreatment component 2 is detachably connected between the first aftertreatment component 1 and the mixing component 4. In the illustrated embodiment of the invention, the second aftertreatment module 2 is removably connected between the first aftertreatment module 1 and the mixing module 4 by a clamp 20. The second aftertreatment assembly 2 includes a second housing 21 and a second catalyst support 22 encapsulated in the second housing 21. In the illustrated embodiment of the present invention, the second housing 21 includes a cylindrical second cylinder 211. In one embodiment of the present invention, the second catalyst support 22 is a diesel particulate trap (DPF).
The third aftertreatment component 3 comprises a third casing 31, a third catalyst carrier 32 enclosed in the third casing 31 and a connecting cavity 33 located upstream of the third catalyst carrier 32. The third casing 31 includes a cylindrical third cylinder 311, a mounting bracket 312 connected to the bottom of the third cylinder 311, an end cone 313 connected to the top of the third cylinder 311, and an exhaust gas outlet 314 communicated with the end cone 313. The mounting bracket 312 is provided with a mounting flange 3121 and a plurality of mounting holes 3122 provided on the mounting flange 3121. The third aftertreatment component 3 can be mounted to the vehicle by providing the mounting bracket 312. In one embodiment of the present invention, the third catalyst support 32 is a Selective Catalytic Reduction (SCR).
The mixing assembly 4 includes a fourth housing 41, a mixing tube 42 located within the fourth housing 41, and a steel wool mixer 43 mounted in the mixing tube 42. The mixing pipe 42 is provided with a plurality of fins 421 for tail gas to flow in to form rotational flow; the fourth housing 41 includes a cylindrical fourth cylinder 411 and a second end cap 412 fixed to one end of the fourth cylinder 411, and the axis 420 of the mixing tube 42 is perpendicular to the axis 4110 of the fourth cylinder 411. In addition, the fourth housing 41 further includes a nozzle mounting seat 413 mounted on the fourth cylinder 411, the nozzle mounting seat 413 is used for mounting a urea nozzle 414, and the urea nozzle 414 is used for spraying atomized urea liquid drops into the mixing pipe 42. The fin 421 is located between the nozzle mount 413 and the steel wool mixer 43 in the axial direction of the mixing pipe 42. By providing the steel wool mixer 43 in the mixing tube 42, urea break-up is improved and mixing effect is improved.
In the illustrated embodiment of the present invention, the first cylinder 111, the second cylinder 211, and the fourth cylinder 411 are aligned in a horizontal direction. The third cylinder 311 is disposed in a vertical direction and perpendicular to the first cylinder 111, the second cylinder 211, and the fourth cylinder 411.
The connecting tube assembly 5 is used for communicating the mixing tube 42 and the connecting cavity 33. The connection pipe assembly 5 is provided with a flexible pipe 51 adjacent to the third housing 311 to absorb vibration. The installation of different angles and different distances between the third post-processing assembly 3 and other post-processing assemblies can be realized by designing the connecting pipe assemblies 5 in different forms, and the installation flexibility is improved.
The above embodiments are only for illustrating the invention and not for limiting the technical solutions described in the invention, and the understanding of the present specification should be based on the technical personnel in the field, and although the present specification has described the invention in detail with reference to the above embodiments, the technical personnel in the field should understand that the technical personnel in the field can still make modifications or equivalent substitutions to the present invention, and all the technical solutions and modifications thereof without departing from the spirit and scope of the present invention should be covered in the claims of the present invention.
Claims (10)
1. A diesel engine exhaust aftertreatment device comprises a first aftertreatment component, a second aftertreatment component connected to the downstream of the first aftertreatment component, a mixing component connected to the downstream of the second aftertreatment component, a third aftertreatment component located at the downstream of the mixing component, and a connecting pipe component connecting the mixing component and the third aftertreatment component, wherein the first aftertreatment component comprises a first shell, a first catalyst carrier packaged in the first shell, and an air inlet cavity located at the upstream of the first catalyst carrier; the second aftertreatment assembly includes a second housing and a second catalyst carrier encapsulated in the second housing; the third aftertreatment component comprises a third housing, a third catalyst carrier encapsulated in the third housing, and a connection cavity located upstream of the third catalyst carrier; the mixing assembly comprises a fourth shell, a mixing pipe positioned in the fourth shell and a steel wool mixer arranged in the mixing pipe, and the mixing pipe is provided with a plurality of fins for tail gas to flow in to form rotational flow; the connecting pipe assembly is used for communicating the mixing pipe and the connecting cavity.
2. The diesel exhaust aftertreatment device of claim 1, wherein: the second aftertreatment component is removably coupled between the first aftertreatment component and the mixing component.
3. The diesel exhaust aftertreatment device of claim 1, wherein: the diesel engine tail gas aftertreatment device is provided with an air inlet pipe at least partially inserted into the air inlet cavity, the air inlet pipe is provided with a cylindrical pipe wall, and a plurality of air inlet holes are formed in one side, back to the first catalyst carrier, of the pipe wall.
4. The diesel exhaust aftertreatment device of claim 3, wherein: the first shell comprises a first cylindrical body and a first end cover fixed at one end of the first cylindrical body, wherein the air inlet pipe penetrates through the wall part of the first cylindrical body to be inserted into the air inlet cavity, the axis of the air inlet pipe is perpendicular to the axis of the first cylindrical body, and the air inlet pipe is located between the first end cover and the first catalyst carrier.
5. The diesel exhaust aftertreatment device of claim 4, wherein: the fourth shell comprises a cylindrical fourth cylinder and a second end cover fixed at one end of the fourth cylinder, and the axis of the mixing pipe is perpendicular to the axis of the fourth cylinder.
6. The diesel exhaust aftertreatment device of claim 5, wherein: the second housing includes a cylindrical second cylinder, and the first cylinder, the second cylinder, and the fourth cylinder are arranged in alignment.
7. The diesel exhaust aftertreatment device of claim 1, wherein: the fourth shell comprises a nozzle mounting seat mounted on the fourth cylinder, the nozzle mounting seat is used for mounting a urea nozzle, the urea nozzle is used for spraying atomized urea liquid drops into the mixing pipe, and the fin is located between the nozzle mounting seat and the steel wool mixer in the axial direction of the mixing pipe.
8. The diesel exhaust aftertreatment device of claim 1, wherein: the connector tube assembly is provided with a flexible tube adjacent the third housing.
9. The diesel exhaust aftertreatment device of claim 1, wherein: the third casing includes cylindric third barrel, connects the installing support of the bottom of third barrel, connects the end cone at the top of third barrel and with the tail gas export of end cone intercommunication, the third barrel perpendicular to first barrel, the second barrel and the fourth barrel.
10. The diesel exhaust aftertreatment device of claim 1, wherein: the first catalyst carrier is a diesel catalytic oxidizer (DOC), the second catalyst carrier is a diesel particulate trap (DPF), and the third catalyst carrier is a Selective Catalytic Reducer (SCR).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010213836.5A CN111188675A (en) | 2020-03-24 | 2020-03-24 | Diesel engine tail gas after-treatment device |
| PCT/CN2020/118229 WO2021189795A1 (en) | 2020-03-24 | 2020-09-28 | Diesel engine tail gas after treatment apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010213836.5A CN111188675A (en) | 2020-03-24 | 2020-03-24 | Diesel engine tail gas after-treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111188675A true CN111188675A (en) | 2020-05-22 |
Family
ID=70705466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010213836.5A Pending CN111188675A (en) | 2020-03-24 | 2020-03-24 | Diesel engine tail gas after-treatment device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN111188675A (en) |
| WO (1) | WO2021189795A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021189795A1 (en) * | 2020-03-24 | 2021-09-30 | 天纳克（苏州）排放系统有限公司 | Diesel engine tail gas after treatment apparatus |
| CN114699944A (en) * | 2022-02-18 | 2022-07-05 | 潍柴动力股份有限公司 | Steel wool mixer and diesel engine tail gas aftertreatment device with same |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115382412B (en) * | 2022-08-02 | 2024-04-09 | 浙江邦得利环保科技股份有限公司 | Efficient mixer |
| CN115419487B (en) * | 2022-11-07 | 2023-01-06 | 烟台鲁吉汽车科技有限公司 | Urea atomization equipment |
| CN116816476B (en) * | 2023-05-08 | 2024-09-24 | 安徽全柴动力股份有限公司 | A diesel engine exhaust catalytic converter |
| CN116877243A (en) * | 2023-07-31 | 2023-10-13 | 三河市科达科技有限公司 | Exhaust aftertreatment device for diesel internal combustion engine |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202467984U (en) * | 2011-12-31 | 2012-10-03 | 杭州银轮科技有限公司 | Selective catalytic reduction (SCR) catalytic converter for aftertreatment on tail gas of diesel engine |
| KR20140023699A (en) * | 2012-08-17 | 2014-02-27 | 세종공업 주식회사 | Post treatment exhaust contamination gas decreasing system in diesel engine |
| CN108930575A (en) * | 2017-06-14 | 2018-12-04 | 天纳克（苏州）排放系统有限公司 | Engine exhaust post-processes mixing arrangement |
| CN110080862A (en) * | 2018-01-26 | 2019-08-02 | 天纳克（苏州）排放系统有限公司 | Exhaust gas post-treatment device |
| CN108757109A (en) * | 2018-07-11 | 2018-11-06 | 天纳克（苏州）排放系统有限公司 | U-shaped exhaust gas post-treatment device |
| CN209855882U (en) * | 2019-03-19 | 2019-12-27 | 无锡威孚力达催化净化器有限责任公司 | Diesel Particulate Filter (DPF) quick-dismounting urea mixer of diesel vehicle U-shaped postprocessor |
| CN111188675A (en) * | 2020-03-24 | 2020-05-22 | 天纳克（苏州）排放系统有限公司 | Diesel engine tail gas after-treatment device |
-
2020
- 2020-03-24 CN CN202010213836.5A patent/CN111188675A/en active Pending
- 2020-09-28 WO PCT/CN2020/118229 patent/WO2021189795A1/en active Application Filing
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021189795A1 (en) * | 2020-03-24 | 2021-09-30 | 天纳克（苏州）排放系统有限公司 | Diesel engine tail gas after treatment apparatus |
| CN114699944A (en) * | 2022-02-18 | 2022-07-05 | 潍柴动力股份有限公司 | Steel wool mixer and diesel engine tail gas aftertreatment device with same |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021189795A1 (en) | 2021-09-30 |
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