CN114382575B - Method for assembling tail gas treatment device - Google Patents
Method for assembling tail gas treatment device Download PDFInfo
- Publication number
- CN114382575B CN114382575B CN202111333944.7A CN202111333944A CN114382575B CN 114382575 B CN114382575 B CN 114382575B CN 202111333944 A CN202111333944 A CN 202111333944A CN 114382575 B CN114382575 B CN 114382575B
- Authority
- CN
- China
- Prior art keywords
- carrier
- shell
- treatment device
- bushing
- gas treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- F01N3/2839—Arrangements for mounting catalyst support in housing, e.g. with means for compensating thermal expansion or vibration
-
- 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
- F01N13/14—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 thermal insulation
-
- 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
- F01N13/16—Selection of particular materials
Abstract
The invention belongs to the field of automobile exhaust treatment equipment, and relates to an exhaust treatment device and an assembly method of the exhaust treatment device. The tail gas treatment device comprises a shell, a carrier, heat-insulating cotton and a lining, wherein the shell is cylindrical, the carrier is arranged in the shell, the lining is connected to the shell, the carrier is connected to the lining, and the carrier is detachably connected with the shell through the lining; the heat preservation cotton is detachably arranged on the carrier, and the heat preservation cotton and the shell are arranged at intervals. The carrier can be independently dismantled, and the dismantled carrier can be subjected to sulfur removal, phosphorus removal, carbon removal or ash removal and other treatments under the condition that the tail gas treatment device is required to be replaced, such as carrier failure, blockage and the like, and precious metal can be coated again, so that the carrier after treatment is reloaded into the shell, the recycling of the carrier is realized, the waste of the carrier is avoided, the manufacturing cost is saved, the energy consumption is reduced, and the energy and the emission are reduced.
Description
Technical Field
The invention relates to the field of automobile exhaust treatment equipment, in particular to an assembly method of an exhaust treatment device.
Background
The existing tail gas treatment device in the market is characterized in that carriers and heat preservation cotton are fixed on a protection cylinder body through processing, the carriers cannot be independently removed, excessive sulfur, phosphorus and other elements are generated in the tail gas, chemical poisoning failure of a catalyst in the tail gas treatment device is easy to cause, the tail gas treatment device is easy to be blocked when excessive ash is generated in the tail gas, when the active and passive regeneration processes cannot be resolved, a filtering part in the tail gas treatment device needs to be replaced, and the tail gas treatment device is deactivated under the high-temperature condition. When this occurs, the exhaust treatment device is replaced in many cases. In many cases, the carrier is broken and taken out after the defective parts are replaced, and then noble metals on the carrier are extracted by various technical means. The carrier is generally produced into a honeycomb shape through various processes, the process is complex, the ceramic needs to be fired at a high temperature, a large amount of energy is consumed, the carrier cannot be reused, the waste of energy and materials is caused, and the aims of energy conservation and emission reduction are reversed.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide an assembling method of an exhaust gas treatment device, which is used for solving the problem that the carrier cannot be reused in the prior art.
To achieve the above and other related objects, the present invention provides a treatment method of an exhaust gas treatment device, comprising the steps of:
the tail gas treatment device comprises a shell, two carriers, heat-insulating cotton and bushings, wherein the shell is cylindrical, the carriers are arranged in the shell and connected with the shell, the carriers are connected with the bushings, the carriers are detachably connected with the shell through the bushings, the two bushings are respectively sleeved on two ends of the shell, and the two ends of the carriers are detachably arranged in the shell through the two bushings;
the heat preservation cotton is detachably arranged on the carrier, and the heat preservation cotton and the shell are arranged at intervals;
the bushing comprises a first part and a second part connected to the first part, the first part and the second part are both annular, and the second part is sleeved in the first part;
the second part of the bushing is provided with mounting through holes along the central line direction of the bushing, and two ends of the carrier are respectively detachably sleeved in the mounting through holes of the two bushings;
the two bushings are respectively a first bushing and a second bushing,
assembling the heat-insulating cotton on the carrier;
sleeving a first part of the first bushing on one end of the shell;
loading the assembled carrier and heat preservation cotton into a shell, wherein one end of the carrier is assembled in an installation through hole of a second part of the first bushing;
the second bush is mounted on the other end of the housing, and the other end of the carrier is mounted in the mounting through hole of the second bush.
Optionally, a connection part is provided between the first part and the second part, and the second part is connected to the first part through the connection part.
Optionally, a limiting protrusion for matching with the carrier is arranged on the inner wall of the mounting through hole around the center line of the mounting through hole.
Optionally, the bush is detachably connected to the housing through a V-shaped hoop, and a mounting groove for being matched with the V-shaped hoop is formed in the first portion, and the mounting groove is arranged around the center line direction of the bush.
Optionally, the heat-insulating cotton is connected to the carrier through a hoop.
Optionally, a limit flange matched with the bushing is arranged on the shell along the center line direction of the shell.
As described above, the assembling method of the exhaust gas treatment device of the present invention has the following beneficial effects: the carrier and the shell are detachably connected, so that the carrier can be independently removed, the carrier after removal can be subjected to sulfur removal, phosphorus removal, carbon removal or ash removal and other treatments under the condition that the tail gas treatment device is required to be replaced due to carrier failure, blockage and the like, precious metals can be coated again, the treated carrier is reloaded into the shell, the carrier can be reused, the waste of the carrier is avoided, the manufacturing cost is saved, the energy consumption is reduced, and the energy conservation and emission reduction are realized.
Drawings
Fig. 1 is a schematic structural diagram of an exhaust gas treatment device according to an embodiment of the invention.
Fig. 2 is a schematic diagram of an exploded structure of an exhaust gas treatment device according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional view of an exhaust treatment device according to an embodiment of the invention.
Fig. 4 is an enlarged schematic view of the partial structure of fig. 3.
Reference numerals illustrate: the heat-insulating cotton shell comprises a shell body 1, a lining 2, a carrier 3, heat-insulating cotton 4, a mounting groove 5, a limiting flange 6, a limiting protrusion 7 and a mounting through hole 8.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention.
Please refer to fig. 1 to 4. It should be noted that, the illustrations provided in the present embodiment merely illustrate the basic concept of the present invention by way of illustration, and only the components related to the present invention are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complex. The structures, proportions, sizes, etc. shown in the drawings attached hereto are for illustration purposes only and are not intended to limit the scope of the invention, which is defined by the claims, but rather by the claims. Also, the terms such as "upper," "lower," "left," "right," "middle," and "a" and the like recited in the present specification are merely for descriptive purposes and are not intended to limit the scope of the invention, but are intended to provide relative positional changes or modifications without materially altering the technical context in which the invention may be practiced.
Referring to fig. 1-2, the present embodiment provides an exhaust gas treatment device, which includes a housing 1, a carrier 3, insulation cotton 4 and a liner 2. The casing 1 is the tube-shape, and bush 2 is connected on casing 1, and carrier 3 is connected on bush 2, and carrier 3 passes through bush 2 and casing 1 detachably sets up in casing 1, and heat preservation cotton 4 detachably sets up on carrier 3, and the interval setting between heat preservation cotton 4 and the casing 1. The carrier 3 is detachably connected with the shell 1, so that the carrier 3 can be detached without being damaged, and the subsequent recycling of the carrier 3 is facilitated.
The heat preservation cotton 4 detachably sets up on carrier 3, and the interval sets up between heat preservation cotton 4 and the casing 1, compares in traditional tail gas treatment device heat preservation cotton 4 press-filling type assembly, can prevent adhesion between heat preservation cotton 4 and carrier 3 or the casing 1, makes carrier 3 keep the integrality of heat preservation cotton 4 when taking out, also makes the cleanness on the carrier 3 surface of taking out. In this embodiment, the insulation cotton 4 is connected to the carrier 3 by a hoop. The anchor ear is simple to connect, application scope is wide, and the size requirement on parts is low.
Meanwhile, the material of the heat-insulating cotton 4 is usually glass fiber, and glass fiber scraps generated after the heat-insulating cotton 4 is destroyed are harmful to human bodies. The carrier 3 and the heat preservation cotton 4 can be reused, so that the material can be saved. The replacement is convenient and is beneficial to vehicle development and after-sales maintenance.
In this embodiment, the number of the bushings 2 is two, the two bushings 2 are respectively sleeved on two ends of the casing 1, two ends of the carrier 3 are detachably arranged in the casing 1 through the two bushings 2, and the two ends of the carrier 3 are respectively fixed by the bushings 2, so that the carrier 3 is more stable when being arranged in the casing 1.
Specifically, the bushing 2 includes a first portion and a second portion connected to the first portion, where the first portion and the second portion are both in a ring shape, the second portion is sleeved in the first portion, and a space exists between the first portion and the second portion. A connecting part is arranged between the first part and the second part, and the second part is connected to the first part through the first part.
The bushing 2 is connected to the end of the housing 1 by a first portion. In this embodiment, a limiting flange 6 matched with the bushing 2 is disposed on the housing 1 along the center line direction of the housing 1. The position of the first portion can be restrained by the limiting flange 6, and then the relative position of the bushing 2 and the shell 1 in the direction of the central line of the shell 1 is restrained, so that the bushing 2 and the shell 1 can be conveniently positioned during assembly.
As shown in fig. 3, the carrier 3 is connected to the bushing 2 by a second portion. Since there is a space between the first and second portions, there is a space between the carrier 3 and the housing 1. When the heat-insulating cotton 4 is arranged on the carrier 3, the heat-insulating cotton 4 can also keep a distance from the shell 1. In this embodiment, the second portion of the bush 2 is provided with mounting through holes 8 along the center line direction of the bush 2, and two ends of the carrier 3 are detachably sleeved in the mounting through holes 8 of the two bushes 2, respectively. The mounting through holes 8 can be used for mounting the carrier 3 and also can be used for the inlet and outlet of tail gas. Since the carrier 3 is sleeved in the mounting through hole 8, the tail gas entering the shell 1 can directly enter the carrier 3 for reaction.
As shown in fig. 4, the inner wall of the mounting through hole 8 in this embodiment is provided with a stopper projection 7. The spacing protruding 7 sets up the round around the central line of installation through-hole 8, and carrier 3 installs in the bush 2 after, spacing protruding 7 can cooperate with carrier 3, blocks carrier 3, increases the resistance that carrier 3 outwards deviate from installation through-hole 8, prevents that carrier 3 is unexpected deviate from in the casing 1.
In this embodiment, bush 2 is through V-arrangement staple bolt detachable connection on casing 1, is provided with mounting groove 5 in the first portion, and mounting groove 5 sets up a week around the central line direction of bush 2, and mounting groove 5 is used for cooperating with the V-arrangement staple bolt, the installation of the V-arrangement staple bolt of being convenient for. Meanwhile, the mounting groove 5 can also restrict the position of the V-shaped anchor ear in the direction of the central line of the shell 1, so as to prevent the V-shaped anchor ear from moving on the shell 1.
The embodiment also provides an assembling method of the tail gas treatment device, which comprises the following steps:
1. in the above-mentioned exhaust gas treatment device, in this embodiment, the two bushings 2 are the first bushing 2 and the second bushing 2, respectively.
2. The heat-insulating cotton 4 is assembled on the carrier 3, and in this embodiment, the heat-insulating cotton 4 is fixed on the carrier 3 by adopting a hoop.
3. The first portion of the first bush 2 is fitted over one end of the housing 1 until the edge of the first portion of the first bush 2 is over the housing 1. The first bushing 2 is fixed to the housing 1 by means of a V-shaped anchor ear in the mounting groove 5.
4. The carrier 3 and the insulation cotton 4 assembled together are put into the housing 1, and one end of the carrier 3 is assembled in the mounting through hole 8 of the second part of the first bush 2.
5. The second bush 2 is mounted on the other end of the housing 1, and the other end of the carrier 3 is mounted in the mounting through hole 8 of the second bush 2. The second bushing 2 is also fixed to the housing 1 by means of a V-shaped anchor ear.
When the carrier 3 is disassembled, the above steps are adopted and reversed, so that the disassembly of the carrier 3 can be completed. In summary, according to the assembly method of the exhaust gas treatment device provided by the embodiment, since the carrier and the shell are detachably connected, the carrier can be detached independently, and under the condition that the exhaust gas treatment device needs to be replaced, such as carrier failure, blockage and the like, the detached carrier can be subjected to sulfur removal, phosphorus removal, carbon removal or ash removal and the like, precious metals can be coated again, the treated carrier can be reloaded into the shell, so that the carrier can be reused, the waste of the carrier is avoided, the manufacturing cost is saved, the energy consumption is reduced, and the emission is reduced.
The above embodiments are merely illustrative of the principles of the present invention and its effectiveness, and are not intended to limit the invention. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the invention. Accordingly, it is intended that all equivalent modifications and variations of the invention be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.
Claims (6)
1. An assembly method of an exhaust gas treatment device is characterized by comprising the following steps:
the tail gas treatment device comprises a shell, two carriers, heat-insulating cotton and bushings, wherein the shell is cylindrical, the carriers are arranged in the shell and connected with the shell, the carriers are connected with the bushings, the carriers are detachably connected with the shell through the bushings, the two bushings are respectively sleeved on two ends of the shell, and the two ends of the carriers are detachably arranged in the shell through the two bushings;
the heat preservation cotton is detachably arranged on the carrier, and the heat preservation cotton and the shell are arranged at intervals;
the bushing comprises a first part and a second part connected to the first part, the first part and the second part are both annular, and the second part is sleeved in the first part;
the second part of the bushing is provided with mounting through holes along the central line direction of the bushing, and two ends of the carrier are respectively detachably sleeved in the mounting through holes of the two bushings;
the two bushings are respectively a first bushing and a second bushing,
assembling the heat-insulating cotton on the carrier;
sleeving a first part of the first bushing on one end of the shell;
loading the assembled carrier and heat preservation cotton into a shell, wherein one end of the carrier is assembled in an installation through hole of a second part of the first bushing;
the second bush is mounted on the other end of the housing, and the other end of the carrier is mounted in the mounting through hole of the second bush.
2. The method of assembling an exhaust gas treatment device according to claim 1, wherein: a connecting part is arranged between the first part and the second part, and the second part is connected to the first part through the connecting part.
3. The exhaust gas treatment device according to claim 1, characterized in that: and a limiting protrusion matched with the carrier is arranged on the inner wall of the mounting through hole around the central line of the mounting through hole.
4. The method of assembling an exhaust gas treatment device according to claim 1, wherein: the bushing is detachably connected to the shell through the V-shaped anchor ear, a mounting groove matched with the V-shaped anchor ear is formed in the first portion, and the mounting groove is arranged around the center line direction of the bushing.
5. The method of assembling an exhaust gas treatment device according to claim 1, wherein: the heat-insulating cotton is connected to the carrier through the anchor ear.
6. The method of assembling an exhaust gas treatment device according to claim 1, wherein: the shell is provided with a limiting flange matched with the bushing along the direction of the central line of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333944.7A CN114382575B (en) | 2021-11-11 | 2021-11-11 | Method for assembling tail gas treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333944.7A CN114382575B (en) | 2021-11-11 | 2021-11-11 | Method for assembling tail gas treatment device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114382575A CN114382575A (en) | 2022-04-22 |
| CN114382575B true CN114382575B (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111333944.7A Active CN114382575B (en) | 2021-11-11 | 2021-11-11 | Method for assembling tail gas treatment device |
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| CN (1) | CN114382575B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0316637A1 (en) * | 1987-11-13 | 1989-05-24 | Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 | Housing for an exhaust gas-cleaning device |
| JP2000073755A (en) * | 1998-08-26 | 2000-03-07 | Honda Motor Co Ltd | O2 sensor installing structure of catalyst converter |
| TW437848U (en) * | 2000-08-03 | 2001-05-28 | Ke Guo Chuan | Muffler structure capable of replacing the noise-eliminating materials rapidly |
| CN102182537A (en) * | 2011-05-06 | 2011-09-14 | 常州常瑞天力动力机械有限公司 | Exhaust pipe of automobile |
| 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 |
| CN214118299U (en) * | 2021-01-11 | 2021-09-03 | 代军 | Sound-proof noise-reducing exhaust pipe for automobile |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004039706B3 (en) * | 2004-08-17 | 2005-12-22 | Härle, Hans A., Dipl.-Ing. | Apparatus for acoustic and thermal shielding, use and manufacturing method |
-
2021
- 2021-11-11 CN CN202111333944.7A patent/CN114382575B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0316637A1 (en) * | 1987-11-13 | 1989-05-24 | Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 | Housing for an exhaust gas-cleaning device |
| JP2000073755A (en) * | 1998-08-26 | 2000-03-07 | Honda Motor Co Ltd | O2 sensor installing structure of catalyst converter |
| TW437848U (en) * | 2000-08-03 | 2001-05-28 | Ke Guo Chuan | Muffler structure capable of replacing the noise-eliminating materials rapidly |
| CN102182537A (en) * | 2011-05-06 | 2011-09-14 | 常州常瑞天力动力机械有限公司 | Exhaust pipe of automobile |
| 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 |
| CN214118299U (en) * | 2021-01-11 | 2021-09-03 | 代军 | Sound-proof noise-reducing exhaust pipe for automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114382575A (en) | 2022-04-22 |
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