CN108894854A - A kind of environmentally-frieautomobile automobile exhaust processing unit with decrease of noise functions - Google Patents
A kind of environmentally-frieautomobile automobile exhaust processing unit with decrease of noise functions Download PDFInfo
- Publication number
- CN108894854A CN108894854A CN201810719555.XA CN201810719555A CN108894854A CN 108894854 A CN108894854 A CN 108894854A CN 201810719555 A CN201810719555 A CN 201810719555A CN 108894854 A CN108894854 A CN 108894854A
- Authority
- CN
- China
- Prior art keywords
- tube body
- layer
- inlet pipe
- pipe
- environmentally
- 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
- F01N3/02—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
- F01N3/0215—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 the filtering elements having the form of disks or plates
-
- 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
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/24—Silencing apparatus characterised by method of silencing by using sound-absorbing materials
-
- 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
- F01N13/148—Multiple layers of insulating material
-
- 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
- F01N3/0335—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 exhaust silencers in a single housing
-
- 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
- F01N3/04—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids
- F01N3/043—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust using liquids without contact between liquid and exhaust gases
Abstract
The environmentally-frieautomobile automobile exhaust processing unit with decrease of noise functions that the invention discloses a kind of, including tube body, air inlet pipe and an air outlet pipe, the left-hand end perforation connection air inlet pipe of tube body, the right-hand end perforation connection escape pipe of tube body, the side wall of tube body is equipped with heat exchange chamber, the top side perforation connection water inlet pipe of heat exchange chamber, the bottom end side perforation connection outlet pipe of heat exchange chamber, the intracavity sidewall of tube body is equipped with the heat absorbing fins matched with heat exchange chamber, it is equipped with the first filter core in air inlet pipe, is equipped with the second filter core in escape pipe；The present invention can effectively absorb the heat in tail gas, reduce influence of the heat in tail gas to air by the way that heat exchange chamber and heat absorbing fins are arranged in tube body；It is designed by the helical structure of heat absorbing fins, guides the direction of exhaust gas flow, the collision between tail gas and tube body is reduced, so that noise is greatly reduced；First filter core and the second filter core can effectively in tail gas solid particle and sulfide be filtered, reduce pollution of the tail gas to air.
Description
Technical field
The present invention relates to automobile exhaust gas processing apparatus, specially a kind of environmentally-frieautomobile automobile exhaust with decrease of noise functions handles dress
It sets.
Background technique
Atmosphere pollution refers to that the content of some substances in atmosphere reaches harmful degree so that destroying the ecosystem and the mankind
The condition of normal existence and development, the phenomenon that causing damages to people or object.
Atmosphere pollution enters atmosphere by artificial source or natural source（Input）, the cyclic process of atmosphere is participated in, by one
After the fixed residence time, settles further through chemical reaction, biological activity and the physics in atmosphere and removed from atmosphere（Output）.
If the rate of output is less than the rate of input, it opposite in an atmosphere will gather, cause the concentration liter of certain substance in atmosphere
It is high.When concentration increases to a certain extent, acute, chronic hazard directly or indirectly will be caused to people, biology or material etc.,
Atmosphere is just contaminated.
Atmosphere pollution refers to being discharged into atmosphere due to mankind's activity or natural process and generates harmful shadow to environment or people
Those of sound substance.Atmosphere pollution can be divided into two major classes by its existence：It is another one is aerosol state pollutant
Kind is gaseous state pollutant；Primary pollution and secondary pollution can be divided into if by forming process classification.Primary pollution
Refer to the polluter directly from discharge of pollutant sources, secondary pollution is then by primary pollution after chemical reaction or photochemical
The new pollutant entirely different with the physicochemical properties of primary pollution that reaction is formed is learned, toxicity compares primary pollution
Object is strong.
Usually there are also a large amount of sulfide and part dust particles in vehicle exhaust, these gas direct emissions can be to sky
Gas generates far-reaching influence, and very high heat is usually contained in vehicle exhaust, and vehicle exhaust is while causing chemical contamination
Also thermal pollution can be induced, to harm the becoming increasingly popular with vehicle of environment, is increasingly increased.
Summary of the invention
The environmentally-frieautomobile automobile exhaust processing unit with decrease of noise functions that the purpose of the present invention is to provide a kind of, it is above-mentioned to solve
The problem of being proposed in background technique.
To achieve the above object, the present invention provides the following technical solutions：
A kind of environmentally-frieautomobile automobile exhaust processing unit with decrease of noise functions, including tube body, air inlet pipe and an air outlet pipe, tube body are oval
Shape structure, the left-hand end perforation connection air inlet pipe of tube body, the right-hand end perforation connection escape pipe of tube body, the side wall of tube body are equipped with heat
Inverting chamber, heat exchange chamber are annular chambers, and the top side perforation connection water inlet pipe of heat exchange chamber, the other end of water inlet pipe, which penetrates through, to be connected
It connecing on vehicle-mounted water tank, water inlet pipe is equipped with circulating pump, and the bottom end side of heat exchange chamber, which penetrates through, connects outlet pipe, and the one of outlet pipe
Side perforation is connected to vehicle-mounted water tank, and the intracavity sidewall of tube body is equipped with the heat absorbing fins matched with heat exchange chamber, heat absorbing fins
It is the helical structure promoted to the right；Air inlet pipe includes shell, puigging, thermal insulation layer, insulating layer and high-temperature-resistant layer, and shell is round tube
Structure, the interior cavity inner sleeve of tube body are equipped with puigging, and the interior cavity inner sleeve of puigging is equipped with thermal insulation layer, and interior intracavitary be equipped with of thermal insulation layer is protected
Warm layer, the interior cavity inner sleeve of insulating layer are equipped with high-temperature-resistant layer, are equipped with the first filter core in air inlet pipe；The pipe structure of escape pipe and air inlet
The pipe structure of pipe is identical, and the second filter core is equipped in escape pipe.
Further, the first filter core includes the first core, and the first core is circular tube structure, the inner cavity of the first core from a left side to
The right side is successively arranged the first filter layer, the second filter layer and third filter layer.
Further, the first filter layer is dirt filtrating screen, and the second filter layer is desulfurization layer, and third filter layer is UDF filter layer.
Further, the second filter core includes the second core, and the second core is circular tube structure, is equipped with CTO mistake in the second core
Filtering layer.
Further, puigging is that sound-proof material is selected to be made.
Further, high-temperature-resistant layer is that asbestos fibre is made.
Further, the left-hand end perforation connection connecting flange of air inlet pipe, the edge of connecting flange is uniformly equipped with several
Threaded hole.
Compared with prior art, the present invention can effectively be absorbed by the way that heat exchange chamber and heat absorbing fins are arranged in tube body
Heat in tail gas reduces influence of the heat in tail gas to air；It is designed by the helical structure of heat absorbing fins, guides tail gas
The direction of flowing reduces the collision between tail gas and tube body, while cooperating air inlet pipe and an air outlet pipe, so that noise is greatly reduced；
First filter core and the second filter core can effectively in tail gas solid particle and sulfide be filtered, reduce tail gas to air
Pollution.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the environmentally-frieautomobile automobile exhaust processing unit with decrease of noise functions of the present invention；
Fig. 2 is that a kind of structure of the cross section of the air inlet pipe of the environmentally-frieautomobile automobile exhaust processing unit with decrease of noise functions of the present invention is shown
It is intended to；
Fig. 3 is a kind of structural schematic diagram of first filter core of the environmentally-frieautomobile automobile exhaust processing unit with decrease of noise functions of the present invention；
Fig. 4 is a kind of structural schematic diagram of second filter core of the environmentally-frieautomobile automobile exhaust processing unit with decrease of noise functions of the present invention.
In figure：1- tube body, 2- heat exchange chamber, 3- water inlet pipe, 4- circulating pump, 5- heat absorbing fins, 6- outlet pipe, 7- air inlet
Pipe, 71- shell, 72- puigging, 73- thermal insulation layer, 74- insulating layer, 75- high-temperature-resistant layer, the first filter core of 8-, the first core of 81-,
The first filter layer of 82-, the second filter layer of 83-, 84- third filter layer, 9- connecting flange, 10- threaded hole, 11- escape pipe, 12-
Second filter core, the second core of 121-, 122-CTO filter layer.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The technical solution of the patent is explained in further detail With reference to embodiment.
Embodiment 1
It please refers to Fig. 1~4, a kind of environmentally-frieautomobile automobile exhaust processing unit with decrease of noise functions, including tube body 1, air inlet pipe 7 and goes out
Tracheae 11, the tube body 1 are ellipsoidal structures, and the left-hand end perforation connection air inlet pipe 7 of tube body 1, the right-hand end of tube body 1, which penetrates through, to be connected
Tracheae 11 is picked out, the side wall of tube body 1 is equipped with heat exchange chamber 2, and the heat exchange chamber 2 is annular chamber, the top side of heat exchange chamber 2
The other end perforation of perforation connection water inlet pipe 3, the water inlet pipe 3 is connected on vehicle-mounted water tank, and water inlet pipe 3 is equipped with circulating pump 4,
The bottom end side perforation connection outlet pipe 6 of the heat exchange chamber 2, the side perforation of the outlet pipe 6 are connected to vehicle-mounted water tank,
The intracavity sidewall of the tube body 1 is equipped with the heat absorbing fins 5 matched with heat exchange chamber 2, and the heat absorbing fins 5 promote to the right
Helical structure.
The air inlet pipe 7 includes shell 71, puigging 72, thermal insulation layer 73, insulating layer 74 and high-temperature-resistant layer 75, the shell
1 is circular tube structure, and the interior cavity inner sleeve of tube body 1 is equipped with puigging 72, and the puigging 72 is that sound-proof material is selected to be made, described
The interior cavity inner sleeve of puigging 72 be equipped with thermal insulation layer 73, the thermal insulation layer 73 it is interior it is intracavitary be equipped with insulating layer 74, the insulating layer 74
Interior cavity inner sleeve be equipped with high-temperature-resistant layer 74, the high-temperature-resistant layer 74 is that asbestos fibre is made, and the is equipped in the air inlet pipe 7
One filter core 8, first filter core 8 include the first core 81, and first core 81 is circular tube structure, the inner cavity of the first core 81
It is successively arranged the first filter layer 82, the second filter layer 83 and third filter layer 84 from left to right, first filter layer 82 is filter
Dirt net, second filter layer 83 are desulfurization layers, and the third filter layer 84 is UDF filter layer.
The pipe structure of the escape pipe 11 is identical with the pipe structure of air inlet pipe 7, and second is equipped in escape pipe 11
Filter core 12, second filter core 12 include the second core 121, and second core 121 is circular tube structure, in the second core 121
Equipped with CTO filter layer 122.
Embodiment 2
The present embodiment is being further described on the basis of embodiment 1, the left-hand end perforation connection connection method of the air inlet pipe 7
Orchid 9, the edge of the connecting flange 9 is uniformly equipped with several threaded holes 10, by the way that connecting flange 9 is arranged, is convenient for whole device
It is mounted on Exhuster of engine, improves the detachability of whole device, dismount convenient for later maintenance
The working principle of embodiment 1-2：Whole device is fixedly connected on the exhaust apparatus started by connecting flange 9, is started
Machine burning waste gas is entered in tube body 1 by air inlet pipe 7, is then discharged by escape pipe 11, due to air inlet pipe 7 and with escape pipe 11
Special pipe structure setting so that air inlet pipe 7 and escape pipe 11 have good soundproof effect, and due to air inlet pipe 11
Caliber is less than the caliber of tube body 1, and tail gas enters suddenly in roomy tube body 1, and tail gas flow velocity declines suddenly, reduces tail gas and tube body
Collision between 1 reduces noise, and since 5 helical structure of heat absorbing fins is arranged, can have guidance tail gas to flow according to specific direction
It is dynamic, rather than unordered flowing, so that the collision between tail gas and tube body 1 is further reduced, thus further noise；It inhales simultaneously
Hot fin 5 cooperates heat exchange chamber 2, can effectively siphon away the heat in tail gas, reduces the thermal content in tail gas, reduces thermal pollution；
And pass through the setting of the first filter core 8 and the second filter core 12, so that the solid particulate matter and sulfide in vehicle exhaust obtain very well
Filtration treatment, to reduce influence of the tail gas to air.
The preferred embodiment of the patent is described in detail above, but this patent is not limited to above-mentioned embodiment party
Formula within the knowledge of one of ordinary skill in the art can also be under the premise of not departing from this patent objective
Various changes can be made.
Claims (7)
1. a kind of environmentally-frieautomobile automobile exhaust processing unit with decrease of noise functions, including tube body（1）, air inlet pipe（7）And escape pipe
（11）, tube body（1）It is ellipsoidal structure, tube body（1）Left-hand end perforation connection air inlet pipe（7）, tube body（1）Right-hand end perforation
Connect escape pipe（11）, which is characterized in that tube body（1）Side wall be equipped with heat exchange chamber（2）, heat exchange chamber（2）It is annular chamber, heat
Inverting chamber（2）Top side perforation connection water inlet pipe（3）, water inlet pipe（3）The other end perforation be connected on vehicle-mounted water tank, into
Water pipe（3）It is equipped with circulating pump（4）, heat exchange chamber（2）Bottom end side perforation connection outlet pipe（6）, outlet pipe（6）Side
End perforation is connected to vehicle-mounted water tank, tube body（1）Intracavity sidewall be equipped with and heat exchange chamber（2）The heat absorbing fins matched（5）, inhale
Hot fin（5）It is the helical structure promoted to the right；Air inlet pipe（7）Including shell（71）, puigging（72）, thermal insulation layer（73）, protect
Warm layer（74）And high-temperature-resistant layer（75）, shell（1）It is circular tube structure, tube body（1）Interior cavity inner sleeve be equipped with puigging（72）, sound insulation
Layer（72）Interior cavity inner sleeve be equipped with thermal insulation layer（73）, thermal insulation layer（73）It is interior it is intracavitary be equipped with insulating layer（74）, insulating layer（74）'s
Interior cavity inner sleeve is equipped with high-temperature-resistant layer（74）, air inlet pipe（7）Inside it is equipped with the first filter core（8）；Escape pipe（11）Pipe structure with into
Tracheae（7）Pipe structure it is identical, escape pipe（11）Inside it is equipped with the second filter core（12）.
2. a kind of environmentally-frieautomobile automobile exhaust processing unit with decrease of noise functions according to claim 1, which is characterized in that the
One filter core（8）Including the first core（81）, the first core（81）It is circular tube structure, the first core（81）Inner cavity from left to right according to
It is secondary to be equipped with the first filter layer（82）, the second filter layer（83）With third filter layer（84）.
3. a kind of environmentally-frieautomobile automobile exhaust processing unit with decrease of noise functions according to claim 2, which is characterized in that the
One filter layer（82）It is dirt filtrating screen, the second filter layer（83）It is desulfurization layer, third filter layer（84）It is UDF filter layer.
4. a kind of environmentally-frieautomobile automobile exhaust processing unit with decrease of noise functions according to claim 1, which is characterized in that the
Two filter cores（12）Including the second core（121）, the second core（121）It is circular tube structure, the second core（121）It is interior to be equipped with CTO mistake
Filtering layer（122）.
5. a kind of environmentally-frieautomobile automobile exhaust processing unit with decrease of noise functions according to claim 1, which is characterized in that every
Sound-absorbing layer（72）It is that sound-proof material is selected to be made.
6. a kind of environmentally-frieautomobile automobile exhaust processing unit with decrease of noise functions according to claim 5, which is characterized in that resistance to
Heat zone（74）It is that asbestos fibre is made.
7. a kind of environmentally-frieautomobile automobile exhaust processing unit with decrease of noise functions according to claim 1, which is characterized in that into
Tracheae（7）Left-hand end perforation connection connecting flange（9）, connecting flange（9）Edge be uniformly equipped with several threaded holes（10）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810719555.XA CN108894854B (en) | 2018-07-03 | 2018-07-03 | Environment-friendly automobile exhaust treatment device with noise reduction function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810719555.XA CN108894854B (en) | 2018-07-03 | 2018-07-03 | Environment-friendly automobile exhaust treatment device with noise reduction function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108894854A true CN108894854A (en) | 2018-11-27 |
| CN108894854B CN108894854B (en) | 2019-12-24 |
Family
ID=64347851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810719555.XA Active CN108894854B (en) | 2018-07-03 | 2018-07-03 | Environment-friendly automobile exhaust treatment device with noise reduction function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108894854B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707496A (en) * | 2018-12-28 | 2019-05-03 | 贵州大学 | A kind of automobile de-noising type tail gas discharging pipe |
| CN114151170A (en) * | 2021-12-22 | 2022-03-08 | 天津大学合肥创新发展研究院 | Particle trapping-heat exchange integrated core structure with low flow resistance |
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| CN107762603A (en) * | 2017-10-09 | 2018-03-06 | 佛山智北汇科技有限公司 | A kind of new automobile exhaust pipe based on tail gas disposal technique |
| CN207466293U (en) * | 2017-09-29 | 2018-06-08 | 徐工集团工程机械有限公司 | A kind of vehicle thermal energy recycles heating system |
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| CN201671684U (en) * | 2010-05-17 | 2010-12-15 | 宜春市力源动力科技有限公司 | Noise eliminating and insulating device of engine |
| CN103097676A (en) * | 2010-09-17 | 2013-05-08 | 马自施欧株式会社 | Exhaust muffler provided with tail pipe |
| CN203717083U (en) * | 2014-03-12 | 2014-07-16 | 谭华生 | Automobile exhaust treatment device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109707496A (en) * | 2018-12-28 | 2019-05-03 | 贵州大学 | A kind of automobile de-noising type tail gas discharging pipe |
| CN114151170A (en) * | 2021-12-22 | 2022-03-08 | 天津大学合肥创新发展研究院 | Particle trapping-heat exchange integrated core structure with low flow resistance |
| CN114151170B (en) * | 2021-12-22 | 2023-09-19 | 天津大学合肥创新发展研究院 | Particle trapping-heat exchange integrated core structure with low flow resistance |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108894854B (en) | 2019-12-24 |
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