CN112746882A - Packaging structure and packaging method of diesel engine tail gas aftertreatment device - Google Patents
Packaging structure and packaging method of diesel engine tail gas aftertreatment device Download PDFInfo
- Publication number
- CN112746882A CN112746882A CN202110089828.9A CN202110089828A CN112746882A CN 112746882 A CN112746882 A CN 112746882A CN 202110089828 A CN202110089828 A CN 202110089828A CN 112746882 A CN112746882 A CN 112746882A
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- stainless steel
- steel shell
- diesel engine
- end cover
- packaging
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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
- F01N3/02—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
- F01N3/022—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 characterised by specially adapted filtering structure, e.g. honeycomb, mesh or fibrous
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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
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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
- F01N13/08—Other arrangements or adaptations of exhaust conduits
-
- 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
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
-
- 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
- F01N13/1855—Mechanical joints the connection being realised by using bolts, screws, rivets or the like
Abstract
The invention discloses a packaging method of a diesel engine tail gas aftertreatment device, which comprises the following steps: s1, blanking the stainless steel shell into a plate, and then rolling the plate into a circle; s2, wrapping the particle purification carrier by using a sealing gasket, and filling the wrapped particle purification carrier into a stainless steel shell; s3, adjusting the axial position of the particulate matter purification carrier in the stainless steel shell, and inserting a limiting plate into a limiting groove in the stainless steel shell; s4, installing the stainless steel shell with a fastening hoop; s5, performing suspension pressing process on the front end and the rear end of the stainless steel shell assembled by the particle purification carrier to form suspension pressing flanges at the two ends of the shell; and S6, connecting the air inlet end cover and the air outlet end cover with the suspension pressure flanges at the front end and the rear end of the stainless steel shell respectively, and installing graphite composite gaskets for sealing. Correspondingly, the invention also discloses a packaging structure of the diesel engine tail gas aftertreatment device. The invention reduces the packaging cost of the diesel engine tail gas after-treatment device and simplifies the production process.
Description
Technical Field
The invention relates to the field of diesel engine tail gas aftertreatment, in particular to an encapsulation structure and an encapsulation method of a diesel engine tail gas aftertreatment device.
Background
In order to meet increasingly stringent exhaust emission standards, diesel exhaust aftertreatment devices have become an integral part of diesel vehicles. The diesel engine tail gas after-treatment device is used daily, particulate matters are deposited in the trap continuously, the exhaust back pressure of an engine is increased gradually, when the exhaust back pressure reaches a certain limit value, the particulate matters deposited in the particulate trap must be regenerated to clean the particulate matters, otherwise, the performance of the engine, such as dynamic performance, economical efficiency and the like, is influenced.
The regeneration mode of the diesel particulate filter is mainly divided into active regeneration and passive regeneration. Wherein the initiative regeneration mainly utilizes the energy of plus to make diesel engine particle trap's inside reach the required temperature of particulate matter regeneration, makes the abundant oxidation combustion of particulate matter ability, mainly includes: electric heating regeneration, oil injection combustion-supporting regeneration, microwave or infrared heating regeneration and the like; the passive regeneration mainly depends on various catalysts to reduce the ignition temperature of the particulate matters, so that the particulate matters can be ignited at the exhaust temperature of a normal engine, and the oxidation regeneration is obtained, and mainly comprises catalytic regeneration, continuous regeneration, fuel additive regeneration and the like.
However, in either active regeneration or passive regeneration, the particulate matter deposited inside the particulate trap is finally oxidized and combusted, and the oxidation and combustion of the particulate matter releases a large amount of heat, which may cause a large temperature gradient in the internal region of the carrier, resulting in damage to the carrier or a molten state in a part of the internal region, and at this time, the carrier in the diesel engine after-treatment device needs to be replaced. The traditional process is that the whole post-processing device is used or scrapped, which causes material waste and unnecessary economic loss.
Disclosure of Invention
The invention provides a packaging structure and a packaging method of a diesel engine tail gas after-treatment device, aiming at reducing the packaging cost of the diesel engine tail gas after-treatment device and simplifying the production process.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a packaging method of a diesel engine tail gas after-treatment device comprises the following steps:
s1, blanking the stainless steel shell into a plate, and then rolling the plate into a circle;
s2, wrapping the particle purification carrier by using a sealing gasket, and filling the wrapped particle purification carrier into a stainless steel shell;
s3, adjusting the axial position of the particulate matter purification carrier in the stainless steel shell, and inserting a limiting plate into a limiting groove in the stainless steel shell;
s4, installing the stainless steel shell with a fastening hoop;
s5, performing suspension pressing process on the front end and the rear end of the stainless steel shell assembled by the particle purification carrier to form suspension pressing flanges at the two ends of the shell;
and S6, connecting the air inlet end cover and the air outlet end cover with the suspension pressure flanges at the front end and the rear end of the stainless steel shell respectively, and installing graphite composite gaskets for sealing.
Optionally, in step S2: the particulate purification carrier is an oxidation catalyst, a particulate trap or a selective catalytic reduction device.
Optionally, in step S4: two fastening anchor ears are respectively and additionally arranged at the front end and the rear end of the stainless steel shell.
Optionally, in step S4: at least one fastening hoop is additionally arranged between the front end and the rear end of the stainless steel shell.
Optionally, in step S4: the fastening hoop is fixed on the stainless steel shell by bolts and nuts, and the limiting plate is fixed by self-tapping screws.
Optionally, in step S4: and after the main body is packaged, high-temperature glue is injected at the positions of the stainless steel shell connecting gap and the limiting plate where the self-tapping screws are additionally arranged.
Optionally, in step S7: the suspension pressure flange is connected with the air inlet end cover or the air outlet end cover by adopting a quick-connection clamp or holes are punched on the suspension pressure flange, and the suspension pressure flange and the air inlet end cover or the air outlet end cover are fastened and connected through bolts.
The invention also provides an encapsulation structure of the diesel engine tail gas aftertreatment device, which comprises a diesel engine particulate matter purification carrier, a sealing gasket, a limiting plate, a fastening hoop, a graphite composite pad, a stainless steel shell, an air inlet end cover and an air outlet end cover; the stainless steel shell is cylindrical; the sealing gasket wraps the diesel engine particle purifying carrier and is arranged at an axial position in the stainless steel shell; the limiting plate is inserted into a limiting groove in the stainless steel shell; the fastening hoop is additionally arranged on the stainless steel shell; the air inlet end cover is connected with the front end of the stainless steel shell; the air outlet end cover is connected with the rear end of the stainless steel shell; the graphite composite pad is additionally arranged among the air inlet end cover, the air outlet end cover and the stainless steel shell.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the method is adopted to carry out the post-treatment device of the diesel engine, so that the purchase cost of the press-mounting machine can be saved; secondly, the packaging process adopts a full-mechanical combination method without a welding process, so that the welding cost during production is saved, and the pollution to the environment caused by the welding process is avoided; finally, after the tail gas aftertreatment device is packaged by the method, when the internal carrier is damaged, the fastening hoop and the limiting plate are directly detached to complete the replacement of the internal carrier, the packaging shell does not need to be damaged, and the internal carrier can still be restored to the original state after the replacement is completed, so that the repeated waste of materials is avoided.
Drawings
FIG. 1 is a schematic diagram of a packaging structure of a diesel exhaust aftertreatment device of the invention;
FIG. 2 is a view taken along line A-A of FIG. 1;
fig. 3 is a view from B-B in fig. 1.
In the figure, 1-particulate purification support; 2-sealing the gasket; 3-a limiting plate; 4-fastening a hoop; 5-self-tapping screw; 6-graphite composite mats; 7-stainless steel housing; 8-an air inlet end cover; 9-air outlet end cover.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example one
A packaging method of a diesel engine tail gas after-treatment device is implemented to obtain a packaging structure shown in figures 1-3, and comprises the following steps:
s1, blanking the stainless steel shell 7 into a plate, and then rolling the plate into a circle to form a cylinder shape;
s2, wrapping the particle purification carrier 1 by using the sealing gasket 2, and filling the wrapped particle purification carrier into a stainless steel shell 7;
s3, adjusting the axial position of the particulate matter purification carrier 1 in the stainless steel shell 7, and inserting the limit plate 3 into a limit groove in the stainless steel shell 7;
s4, installing the fastening hoop 4 on the stainless steel shell 7;
s5, performing suspension pressing process on the front end and the rear end of the stainless steel shell 7 assembled by the particle purification carrier 1 to form suspension pressing flanges at the two ends of the shell;
s6, the air inlet end cover 8 and the air outlet end cover 9 are respectively connected with the suspension pressure flanges at the front end and the rear end of the stainless steel shell 7, and the graphite composite pad 6 is additionally arranged for sealing.
In this embodiment, the manufacturing process of the stainless steel housing 7 is as follows: the method comprises the steps of blanking into a plate, rolling the plate into a circle, and finally performing suspension pressing and flanging to form the suspension pressing flange, so that the flange does not need to be additionally welded independently.
In this embodiment, when encapsulating particulate matter purification carrier 1, lightly take and put, pay attention to not colliding with, avoid the carrier to damage.
In this embodiment, the limiting plate 3 is used to limit the axial position of the particulate purification carrier 1 in the stainless steel casing 7, so as to prevent the particulate purification carrier 1 from sliding backwards in the stainless steel casing 7 due to the excessive exhaust pressure of the diesel engine, and the particulate purification carrier is prevented from being broken by separating from the casing.
In this embodiment, the graphite composite gasket 6 is disposed between the flange of the inlet end cap 8 and the flange of the front end of the stainless steel housing 7, and between the flange of the outlet end cap 9 and the flange of the rear end of the stainless steel housing 7, thereby achieving the effects of shock absorption and gas sealing.
In one exemplary step S2, the particulate cleaning substrate 1 is an oxidation catalyst, a particulate trap or a selective catalytic reduction.
In step S4, two fastening hoops 4 are respectively attached to the front and rear ends of the stainless steel shell 7.
In an embodiment, in step S4, at least one fastening hoop 4 is additionally installed between the front end and the rear end of the stainless steel shell 7.
In this embodiment, the stainless steel shell 7 has at least two front and back ends, and the number of the fastening hoops 4 can be increased in the middle according to the length of the particulate purification carrier 1.
In an embodiment step S4, the fastening hoop 4 is fixed on the stainless steel housing 7 by bolts and nuts and the limit plate 3 is fixed by the tapping screws 5.
In an embodiment step S4, after the main body packaging is completed, high temperature glue is applied to the stainless steel case 7 connecting gap and the position of the limiting plate 3 where the tapping screw 5 is installed.
In this embodiment, install automatic screw department additional at stainless steel shell 7 joint line and limiting plate 3 and beat the high temperature glue, can avoid gas leakage.
In step S7, the suspension flange is fastened to the inlet end cover 8 or the outlet end cover 9 by bolts using quick connect clips or holes punched thereon.
According to the packaging method of the diesel engine tail gas after-treatment device, all parts are mechanically connected and combined, the need of a special press-fitting machine and a large amount of welding work in the traditional diesel engine tail gas after-treatment device is avoided, and the pollution of part of processes to the environment is avoided on the basis of saving the production cost.
Example two
As shown in fig. 1 to 3, an encapsulation structure of a diesel engine exhaust aftertreatment device comprises a diesel engine particulate purification carrier 1, a sealing gasket 2, a limiting plate 3, a fastening hoop 4, a graphite composite pad 6, a stainless steel shell 7, an air inlet end cover 8 and an air outlet end cover 9; the stainless steel shell 7 is cylindrical; the sealing gasket 2 wraps the diesel engine particle purification carrier 1 and is arranged at an axial position in the stainless steel shell 7; the limiting plate 3 is inserted into a limiting groove in the stainless steel shell 7; the fastening hoop 4 is additionally arranged on the stainless steel shell 7; the air inlet end cover 8 is connected with the front end of the stainless steel shell 7; the air outlet end cover 9 is connected with the rear end of the stainless steel shell 7; the graphite composite pad 6 is additionally arranged between the air inlet end cover 8, the air outlet end cover 9 and the stainless steel shell 7.
In this embodiment, the limiting plate 3 is used to limit the axial position of the particulate purification carrier 1 in the stainless steel casing 7, so as to prevent the particulate purification carrier 1 from sliding backwards in the stainless steel casing 7 due to the excessive exhaust pressure of the diesel engine, and the particulate purification carrier is prevented from being broken by separating from the casing.
In this embodiment, the graphite composite gasket 6 is disposed between the flange of the inlet end cap 8 and the flange of the front end of the stainless steel housing 7, and between the flange of the outlet end cap 9 and the flange of the rear end of the stainless steel housing 7, thereby achieving the effects of shock absorption and gas sealing.
In one embodiment, the stainless steel housing 7 is made by first blanking into plates, then rolling into a circle, and then overhung.
In this embodiment, the stainless steel housing 7 is crimped to form a crimping flange, thus eliminating the need for separate additional welding of the flange.
In one embodiment, the fastening hoop 4 is fastened on the stainless steel housing 7 through bolts and nuts.
In this embodiment, the number of the fastening hoops 4 is not limited, in a preferred case, the fastening hoops 4 are respectively arranged at the front end and the rear end of the stainless steel shell 7, and the number of the fastening hoops 4 is increased between the front end and the rear end of the stainless steel shell 7 according to the length of the particle purification carrier.
In one embodiment, the retainer plate 3 is fixed to the stainless steel housing 7 by self-tapping screws 5.
In this embodiment, the limiting plate 3 is fixed on the limiting groove of the stainless steel housing 7 by the tapping screw 5, thereby limiting the axial position of the particulate purification carrier 1 in the stainless steel housing 7.
In one embodiment, high-temperature glue is applied to the positions of the stainless steel shell 7 connecting the gap and the limiting plate 3 and the self-tapping screw 5.
In this embodiment, the stainless steel shell 7 is connected the gap and is beaten high temperature glue with limiting plate 3 and installs self-tapping screw 5 department gap additional, can avoid gas leakage.
In one embodiment, the front end and the rear end of the stainless steel shell 7 are respectively connected with the air inlet end cover 8 and the air outlet end cover 9 after forming suspension flanges.
In the embodiment, a suspension pressure flange is formed at the front end of a stainless steel shell 7 and connected with an air inlet end cover 8, and a graphite composite pad 6 is additionally arranged between the suspension pressure flange and the air inlet end cover 8 to form sealing; the rear end of the stainless steel shell 7 is also provided with a suspension flange connected with the air outlet end cover 9, and a graphite composite pad 6 is additionally arranged between the suspension flange and the air outlet end cover 9 to form sealing.
In one embodiment, the suspension flange is connected by a quick-connect clamp or is provided with a hole, and the connection is fastened by a bolt and a nut.
The packaging structure adopted by the invention has a simple process, all fastening parts are quick-detachable, and the types of detaching tools needed for detaching or replacing the particulate matter purification carrier 1 are single and are common tools, so that the detaching difficulty of the post-treatment device during off-line maintenance is reduced, and the maintenance time is saved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, and the scope of protection is still within the scope of the invention.
Claims (8)
1. The packaging method of the diesel engine tail gas after-treatment device is characterized by comprising the following steps:
s1, blanking the stainless steel shell into a plate, and then rolling the plate into a circle;
s2, wrapping the particle purification carrier by using a sealing gasket, and filling the wrapped particle purification carrier into a stainless steel shell;
s3, adjusting the axial position of the particulate matter purification carrier in the stainless steel shell, and inserting a limiting plate into a limiting groove in the stainless steel shell;
s4, installing the stainless steel shell with a fastening hoop;
s5, performing suspension pressing process on the front end and the rear end of the stainless steel shell assembled by the particle purification carrier to form suspension pressing flanges at the two ends of the shell;
and S6, connecting the air inlet end cover and the air outlet end cover with the suspension pressure flanges at the front end and the rear end of the stainless steel shell respectively, and installing graphite composite gaskets for sealing.
2. The method for packaging an exhaust gas after-treatment device of a diesel engine according to claim 1, wherein in step S2: the particulate purification carrier is an oxidation catalyst, a particulate trap or a selective catalytic reduction device.
3. The method for packaging an exhaust gas after-treatment device of a diesel engine according to claim 1, wherein in step S4: two fastening anchor ears are respectively and additionally arranged at the front end and the rear end of the stainless steel shell.
4. The method for packaging an exhaust gas after-treatment device according to claim 3, wherein in step S4: at least one fastening hoop is additionally arranged between the front end and the rear end of the stainless steel shell.
5. The method for packaging an exhaust gas after-treatment device of a diesel engine according to claim 1, wherein in step S4: the fastening hoop is fixed on the stainless steel shell by bolts and nuts, and the limiting plate is fixed by self-tapping screws.
6. The method for packaging an exhaust gas after-treatment device of a diesel engine according to claim 5, wherein in step S4: and after the main body is packaged, high-temperature glue is injected at the positions of the stainless steel shell connecting gap and the limiting plate where the self-tapping screws are additionally arranged.
7. The method for packaging an exhaust gas after-treatment device of a diesel engine according to claim 1, wherein in step S7: the suspension pressure flange is connected with the air inlet end cover or the air outlet end cover by adopting a quick-connection clamp or holes are punched on the suspension pressure flange, and the suspension pressure flange and the air inlet end cover or the air outlet end cover are fastened and connected through bolts.
8. The utility model provides a diesel engine tail gas aftertreatment device's packaging structure which characterized in that: the device comprises a diesel engine particle purification carrier, a sealing gasket, a limiting plate, a fastening hoop, a graphite composite pad, a stainless steel shell, an air inlet end cover and an air outlet end cover; the stainless steel shell is cylindrical; the sealing gasket wraps the diesel engine particle purifying carrier and is arranged at an axial position in the stainless steel shell; the limiting plate is inserted into a limiting groove in the stainless steel shell; the fastening hoop is additionally arranged on the stainless steel shell; the air inlet end cover is connected with the front end of the stainless steel shell; the air outlet end cover is connected with the rear end of the stainless steel shell; the graphite composite pad is additionally arranged among the air inlet end cover, the air outlet end cover and the stainless steel shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110089828.9A CN112746882A (en) | 2021-01-22 | 2021-01-22 | Packaging structure and packaging method of diesel engine tail gas aftertreatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110089828.9A CN112746882A (en) | 2021-01-22 | 2021-01-22 | Packaging structure and packaging method of diesel engine tail gas aftertreatment device |
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| Publication Number | Publication Date |
|---|---|
| CN112746882A true CN112746882A (en) | 2021-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110089828.9A Pending CN112746882A (en) | 2021-01-22 | 2021-01-22 | Packaging structure and packaging method of diesel engine tail gas aftertreatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109573A (en) * | 2021-12-13 | 2022-03-01 | 福建恒冠机电设备有限公司 | Diesel engine tail gas purification device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202866939U (en) * | 2012-09-26 | 2013-04-10 | 河南科技大学 | Diesel engine particulate filter with filter element capable of rapidly being replaced |
| CN203374344U (en) * | 2013-06-28 | 2014-01-01 | 南京辉虎环保科技有限公司 | POC metal carrier postprocessor for tail gas purification of diesel vehicle |
| CN209179861U (en) * | 2018-11-28 | 2019-07-30 | 埃贝赫排气技术（上海）有限公司 | Diesel engine straight barrel type exhaust gas post-treatment device |
| CN215979557U (en) * | 2021-01-22 | 2022-03-08 | 成都青舟特机环境技术有限公司 | Packaging structure of diesel engine tail gas aftertreatment device |
-
2021
- 2021-01-22 CN CN202110089828.9A patent/CN112746882A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202866939U (en) * | 2012-09-26 | 2013-04-10 | 河南科技大学 | Diesel engine particulate filter with filter element capable of rapidly being replaced |
| CN203374344U (en) * | 2013-06-28 | 2014-01-01 | 南京辉虎环保科技有限公司 | POC metal carrier postprocessor for tail gas purification of diesel vehicle |
| CN209179861U (en) * | 2018-11-28 | 2019-07-30 | 埃贝赫排气技术（上海）有限公司 | Diesel engine straight barrel type exhaust gas post-treatment device |
| CN215979557U (en) * | 2021-01-22 | 2022-03-08 | 成都青舟特机环境技术有限公司 | Packaging structure of diesel engine tail gas aftertreatment device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114109573A (en) * | 2021-12-13 | 2022-03-01 | 福建恒冠机电设备有限公司 | Diesel engine tail gas purification device |
| CN114109573B (en) * | 2021-12-13 | 2024-04-02 | 福建恒冠机电设备有限公司 | Diesel engine tail gas purification device |
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