CN220267802U - Tail gas purification and silencing device with silencing function - Google Patents
Tail gas purification and silencing device with silencing function Download PDFInfo
- Publication number
- CN220267802U CN220267802U CN202320954019.4U CN202320954019U CN220267802U CN 220267802 U CN220267802 U CN 220267802U CN 202320954019 U CN202320954019 U CN 202320954019U CN 220267802 U CN220267802 U CN 220267802U
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- silencing
- cylinder
- purifying
- automobile
- purification
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- 230000030279 gene silencing Effects 0.000 title claims abstract description 74
- 238000000746 purification Methods 0.000 title claims abstract description 29
- 239000003054 catalyst Substances 0.000 claims description 15
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 8
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 31
- 230000000694 effects Effects 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 6
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 238000006479 redox reaction Methods 0.000 description 4
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 239000001569 carbon dioxide Substances 0.000 description 3
- 229910052763 palladium Inorganic materials 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 229910052703 rhodium Inorganic materials 0.000 description 3
- 239000010948 rhodium Substances 0.000 description 3
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 3
- 229910001868 water Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000003584 silencer Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
Landscapes
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model belongs to the technical field of automobile exhaust purification, in particular to an exhaust purification and silencing device with a silencing function, which aims at the fact that the existing exhaust purification device generally only plays a role in purifying exhaust, namely plays a role in protecting the environment in the traditional sense, but noise is a part of novel environmental pollution, and the problem of high decibel noise is often accompanied in the process of exhausting the exhaust by an automobile. When the automobile muffler is used, the generated noise is absorbed by the staggered muffler plates, so that the noise is reduced to a certain extent, the connection stability of the purification cylinder and the noise reduction cylinder is improved, the noise reduction cylinder is prevented from loosening due to continuous vibration in the running process of the automobile, and the automobile muffler is separated from the purification cylinder and is convenient to detach.
Description
Technical Field
The utility model relates to the technical field of automobile tail gas purification, in particular to a tail gas purification and silencing device with a silencing function.
Background
The ternary catalyst is the most important external purifying device installed in the exhaust system of automobile, and can convert harmful gases of CO, HC and NOx exhausted from automobile exhaust into harmless carbon dioxide, water and nitrogen through oxidation and reduction. When the high-temperature automobile tail gas passes through the purification device, the purification agent in the three-way catalyst enhances the activities of three gases of CO, HC and NOx, and promotes the three gases to perform a certain oxidation-reduction chemical reaction, wherein CO is oxidized into colorless and nontoxic carbon dioxide gas at high temperature; oxidizing the HC compound at a high temperature to water (H20) and carbon dioxide; NOx is reduced to nitrogen and oxygen. The three harmful gases are changed into harmless gases, so that the automobile tail gas can be purified.
The tail gas purification device in the prior art generally only plays a role in tail gas purification, namely plays an environmental protection role in the traditional sense, but noise also belongs to a part of novel environmental pollution, and the automobile is often accompanied with the generation of high decibel noise in the tail gas emission process.
In view of the above problems, the present disclosure proposes an exhaust gas purifying muffler device having a muffler function.
Disclosure of Invention
The utility model provides a tail gas purifying and silencing device with a silencing function, which solves the defects that in the prior art, the tail gas purifying device generally only plays a role in tail gas purification, namely plays a role in environmental protection in the traditional sense, but noise is a part of novel environmental pollution, and high decibel noise is often generated in the tail gas emission process of an automobile.
The utility model provides the following technical scheme:
an exhaust gas purifying muffler device having a muffler function, comprising:
the purifying device comprises a purifying cylinder, wherein one end of the purifying cylinder is communicated with an air inlet pipe, the top of the air inlet pipe is fixedly connected with an air inlet flange, the other end of the purifying cylinder is in threaded connection with a silencing cylinder, one end of the silencing cylinder is communicated with an air outlet pipe, and an air outlet flange is fixedly connected to an air outlet of the air outlet pipe;
the purification mechanism is arranged in the purification cylinder and used for purifying automobile exhaust, and comprises a three-way catalyst body;
the silencing mechanism is arranged in the silencing barrel and used for reducing noise when the automobile exhausts, and comprises a plurality of silencing plates which are arranged in a staggered mode.
In one possible design, the upper side and the lower side of the outer wall of the purifying cylinder are fixedly connected with first fixing blocks, and the upper side and the lower side of the outer wall of the silencing cylinder are fixedly connected with second fixing blocks.
In one possible design, bolts are provided on both sets of the second fixing blocks, and the bolts pass through the second fixing blocks and are in threaded connection with the first fixing blocks.
In one possible design, the left side and the right side of the outer wall of the three-way catalyst body are fixedly connected with clamping strips, and the left side and the right side of the inner wall of the purification cylinder are provided with mounting grooves for clamping strips.
In one possible design, the three-way catalyst body is provided with a honeycomb duct for chemical reaction with the automobile exhaust.
In one possible design, the outer wall of the purifying cylinder is provided with external threads, and the inner wall of the silencing cylinder is provided with internal threads matched with the external threads.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.
According to the utility model, through the design of the silencing barrels and the silencing plates, the noise generated in the gas flowing process is absorbed by the silencing plates arranged in a staggered way, and then the noise is reduced to a certain extent.
According to the utility model, the external threads and the internal threads are arranged, so that the first fixed block and the second fixed block are opposite in position when the silencing barrel is installed, the silencing barrel is screwed until the first fixed block and the second fixed block are tightly attached, the first fixed block and the second fixed block are fixed through the bolts, the connection stability of the purifying barrel and the silencing barrel is improved, the silencing barrel is prevented from loosening due to continuous vibration in the running process of an automobile, the silencing barrel is separated from the purifying barrel, and the silencing barrel is convenient to detach.
According to the utility model, after the generated noise is absorbed by the staggered silencing plates, the noise is reduced to a certain extent, the connection stability of the purifying cylinder and the silencing cylinder is improved, the loosening of the silencing cylinder caused by continuous vibration in the running process of the automobile is avoided, the silencing cylinder is separated from the purifying cylinder, and meanwhile, the silencing cylinder is convenient to detach.
Drawings
Fig. 1 is a schematic perspective view of an exhaust purifying muffler device with a muffler function according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a purifying mechanism of an exhaust purifying muffler device with a muffler function according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a silencing mechanism of an exhaust purifying and silencing device with a silencing function according to an embodiment of the present utility model;
fig. 4 is a schematic cross-sectional structural view of a silencing mechanism of a tail gas purifying and silencing device with a silencing function according to an embodiment of the present utility model.
Reference numerals: 1. a purifying cylinder; 2. an air inlet pipe; 3. an air inlet flange; 4. a sound deadening cylinder; 5. an air outlet pipe; 6. an air outlet flange; 7. a first fixed block; 8. a second fixed block; 9. a bolt; 10. a mounting groove; 11. a three-way catalyst body; 12. a clamping strip; 13. honeycomb type pipeline; 14. a muffler plate; 15. an external thread; 16. and (5) an internal thread.
Detailed Description
Embodiments of the present utility model will be described below with reference to the accompanying drawings in the embodiments of the present utility model.
In describing embodiments of the present utility model, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled" and "mounted" should be interpreted broadly, and for example, "coupled" may or may not be detachably coupled; may be directly connected or indirectly connected through an intermediate medium. In addition, "communication" may be direct communication or may be indirect communication through an intermediary. Wherein, "fixed" means that the relative positional relationship is not changed after being connected to each other. References to orientation terms, such as "inner", "outer", "top", "bottom", etc., in the embodiments of the present utility model are merely to refer to the orientation of the drawings and, therefore, the use of orientation terms is intended to better and more clearly illustrate and understand the embodiments of the present utility model, rather than to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be construed as limiting the embodiments of the present utility model.
In embodiments of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature.
In the embodiment of the present utility model, "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.
Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the utility model. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.
Examples
Referring to fig. 1 to 4, an exhaust purifying muffler device with a muffler function includes:
the purifying device comprises a purifying cylinder 1, wherein one end of the purifying cylinder 1 is communicated with an air inlet pipe 2, the top of the air inlet pipe 2 is fixedly connected with an air inlet flange 3, the other end of the purifying cylinder 1 is in threaded connection with a silencing cylinder 4, one end of the silencing cylinder 4 is communicated with an air outlet pipe 5, and an air outlet flange 6 is fixedly connected to an air outlet of the air outlet pipe 5;
the purification mechanism is arranged in the purification cylinder 1 and is used for purifying automobile exhaust, and the purification mechanism comprises a three-way catalyst body 11;
the silencing mechanism is arranged in the silencing barrel 4 and used for reducing noise when the automobile exhausts, and comprises a plurality of silencing plates 14 which are arranged in a staggered mode.
The technical scheme can achieve the technical effect that harmful gas is converted into harmless gas after oxidation-reduction reaction through the purification mechanism, and the generated noise can be absorbed by the staggered silencer plates 14 through the silencing mechanism, so that a certain technical effect of reducing can be achieved.
Examples
Referring to fig. 1 to 4, an exhaust purifying muffler device with a muffler function includes:
the purifying device comprises a purifying cylinder 1, wherein one end of the purifying cylinder 1 is communicated with an air inlet pipe 2, the top of the air inlet pipe 2 is fixedly connected with an air inlet flange 3, the other end of the purifying cylinder 1 is in threaded connection with a silencing cylinder 4, one end of the silencing cylinder 4 is communicated with an air outlet pipe 5, and an air outlet flange 6 is fixedly connected to an air outlet of the air outlet pipe 5;
the purification mechanism is arranged in the purification cylinder 1 and is used for purifying automobile exhaust, and the purification mechanism comprises a three-way catalyst body 11;
the silencing mechanism is arranged in the silencing barrel 4 and used for reducing noise when the automobile exhausts, and comprises a plurality of silencing plates 14 which are arranged in a staggered mode.
The technical scheme can achieve the technical effect that harmful gas is converted into harmless gas after oxidation-reduction reaction through the purification mechanism, and the generated noise can be absorbed by the staggered silencer plates 14 through the silencing mechanism, so that a certain technical effect of reducing can be achieved.
Referring to fig. 1-3, the upper and lower sides of the outer wall of the purifying cylinder 1 are fixedly connected with first fixing blocks 7, the upper and lower sides of the outer wall of the silencing cylinder 4 are fixedly connected with second fixing blocks 8, bolts 9 are arranged on the two groups of second fixing blocks 8, and the bolts 9 penetrate through the second fixing blocks 8 and are in threaded connection with the first fixing blocks 7.
Above-mentioned technical scheme accessible bolt 9 fixed first fixed block 7 and second fixed block 8 improve the connection stability of purifying section of thick bamboo 1 and amortization section of thick bamboo 4, avoid leading to amortization section of thick bamboo 4 to become flexible because of the vibration, break away from purifying section of thick bamboo 1, also convenient technical effect of dismantling simultaneously.
Referring to fig. 2, clamping strips 12 are fixedly connected to the left and right sides of the outer wall of the three-way catalyst body 11, and mounting slots 10 for clamping the clamping strips 12 are formed on the left and right sides of the inner wall of the purifying cylinder 1.
The technical scheme can achieve the technical effects that the clamping strip 12 is clamped in the mounting groove 10, and the mounting stability of the three-way catalyst body 11 is improved.
Referring to fig. 2, a honeycomb duct 13 for chemical reaction with automobile exhaust is disposed in a three-way catalyst body 11, and the honeycomb duct 13 is made of three metal materials of platinum, palladium and rhodium.
The technical scheme can achieve the technical effect of generating oxidation-reduction reaction by utilizing platinum, palladium, rhodium and harmful gases, thereby converting the platinum, the palladium, the rhodium and the harmful gases into harmless gases.
Referring to fig. 2-4, an external thread 15 is provided on the outer wall of the purifying cylinder 1, and an internal thread 16 adapted to the external thread 15 is provided on the inner wall of the silencing cylinder 4.
The technical scheme can achieve the technical effect that the silencing pot 4 is connected with the purifying pot 1 through the external threads 15 and the internal threads 16.
The application can be used in the field of automobile exhaust purification equipment, and can also be used in other fields suitable for the application.
The working principle of the technical scheme is as follows: when the silencing cylinder 4 is installed, the silencing cylinder 4 is screwed after the first fixing block 7 and the second fixing block 8 are opposite in position, the first fixing block 7 and the second fixing block 8 are tightly attached to each other by screwing, the first fixing block 7 and the second fixing block 8 are fixed through bolts 9, harmful gas generated during running of an automobile is conveyed into the purifying cylinder 1 through the air inlet pipe 2, oxidation-reduction reaction is generated in the honeycomb pipeline 13 of the three-way catalyst body 11, and noise generated in the gas flowing process is relieved to a certain extent after being absorbed through the silencing plates 14 arranged in a staggered mode.
The present utility model is not limited to the above embodiments, and any person skilled in the art can easily think about the changes or substitutions within the technical scope of the present utility model, and the changes or substitutions are intended to be covered by the scope of the present utility model; embodiments of the utility model and features of the embodiments may be combined with each other without conflict. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.
Claims (6)
1. An exhaust gas purifying and silencing device with a silencing function, characterized by comprising:
the purifying device comprises a purifying cylinder (1), wherein one end of the purifying cylinder (1) is communicated with an air inlet pipe (2), the top of the air inlet pipe (2) is fixedly connected with an air inlet flange (3), the other end of the purifying cylinder (1) is connected with a silencing cylinder (4) in a threaded manner, one end of the silencing cylinder (4) is communicated with an air outlet pipe (5), and an air outlet flange (6) is fixedly connected to an air outlet of the air outlet pipe (5);
the purification mechanism is arranged in the purification cylinder (1) and is used for purifying automobile exhaust, and the purification mechanism comprises a three-way catalyst body (11);
the silencing mechanism is arranged in the silencing barrel (4) and used for reducing noise when the automobile exhausts, and comprises a plurality of silencing plates (14) which are arranged in a staggered mode.
2. The tail gas purifying and silencing device with the silencing function according to claim 1, wherein the upper side and the lower side of the outer wall of the purifying cylinder (1) are fixedly connected with first fixing blocks (7), and the upper side and the lower side of the outer wall of the silencing cylinder (4) are fixedly connected with second fixing blocks (8).
3. The exhaust gas purifying and silencing device with silencing function according to claim 2, wherein bolts (9) are arranged on the two groups of second fixing blocks (8), and the bolts (9) penetrate through the second fixing blocks (8) and are in threaded connection with the first fixing blocks (7).
4. The tail gas purifying and silencing device with the silencing function according to claim 1, wherein clamping strips (12) are fixedly connected to the left side and the right side of the outer wall of the three-way catalyst body (11), and mounting grooves (10) for clamping the clamping strips (12) are formed in the left side and the right side of the inner wall of the purifying cylinder (1).
5. The exhaust gas purifying and silencing device with silencing function according to claim 1, wherein a honeycomb type pipeline (13) for generating chemical reaction with automobile exhaust gas is arranged in the three-way catalyst body (11).
6. The tail gas purifying and silencing device with the silencing function according to claim 1, wherein an external thread (15) is arranged on the outer wall of the purifying cylinder (1), and an internal thread (16) matched with the external thread (15) is arranged on the inner wall of the silencing cylinder (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320954019.4U CN220267802U (en) | 2023-04-25 | 2023-04-25 | Tail gas purification and silencing device with silencing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320954019.4U CN220267802U (en) | 2023-04-25 | 2023-04-25 | Tail gas purification and silencing device with silencing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220267802U true CN220267802U (en) | 2023-12-29 |
Family
ID=89313463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320954019.4U Active CN220267802U (en) | 2023-04-25 | 2023-04-25 | Tail gas purification and silencing device with silencing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220267802U (en) |
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2023
- 2023-04-25 CN CN202320954019.4U patent/CN220267802U/en active Active
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