CN112539102A - Ammonia mixer of automobile exhaust system - Google Patents
Ammonia mixer of automobile exhaust system Download PDFInfo
- Publication number
- CN112539102A CN112539102A CN202011385882.XA CN202011385882A CN112539102A CN 112539102 A CN112539102 A CN 112539102A CN 202011385882 A CN202011385882 A CN 202011385882A CN 112539102 A CN112539102 A CN 112539102A
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- China
- Prior art keywords
- baffle
- via hole
- cyclone tube
- special
- exhaust system
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/18—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 methods of operation; Control
- F01N3/20—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 methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
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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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
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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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses an ammonia mixer of an automobile exhaust system, which comprises a special-shaped shell, an injector mounting pipe communicated with the top of the special-shaped shell, a cylinder communicated with the bottom of the special-shaped shell and an ammonia mixing structure arranged in the cylinder, wherein an air inlet channel is arranged on the side surface of the special-shaped shell; the ammonia gas mixed structure is including setting up the first baffle on drum upper portion, set up at the cyclone tube of first baffle lower extreme and set up the second baffle at the cyclone tube lower extreme, the through-hole has been seted up on the first baffle, cyclone tube and through-hole intercommunication, set up the first porous structure that makes the air current pass through on the first baffle, cyclone tube upper portion lateral wall is equipped with the first whirl portion that makes the air current rotatory, cyclone tube bottom portion lateral wall is equipped with the second porous structure that makes the air current pass through, set up the third porous structure that makes the air current pass through in the middle part of the second baffle, second baffle circumference edge is equipped with the second whirl portion that makes the air current rotatory. The invention provides an ammonia mixer of an automobile exhaust system, which can better improve ammonia mixing and reduce exhaust back pressure.
Description
Technical Field
The invention relates to the field of automobile parts, in particular to an ammonia mixer of an automobile exhaust system.
Background
The SCR technology is an indispensable mainstream technology in an exhaust system of a diesel engine of an automobile at present, a urea mixer is a key structure, and a double-layer clapboard type mixer is the most common structure at present.
In the research process, the double-layer clapboard type mixer is found to be easy to generate insufficient mixing when mixing ammonia evaporated from a urea aqueous solution and gas discharged from an engine (hereinafter referred to as ammonia mixing), urea crystals are formed on the inner wall of the mixer, the reduction effect is reduced, and the tail gas emission is not up to the standard.
The existing common mixer of the diesel engine is a double-layer clapboard type mixer, which can cause the back pressure of exhaust airflow to rise and the exhaust of the engine to be unsmooth, thereby influencing the power performance and the fuel consumption rate of the engine to rise, and damaging the engine in serious cases.
Disclosure of Invention
The invention aims to provide an ammonia mixer of an automobile exhaust system, which aims to solve the problems and can better improve ammonia mixing and reduce exhaust back pressure.
In order to achieve the purpose, the invention provides the following scheme:
an ammonia mixer of an automobile exhaust system comprises a special-shaped shell, an injector mounting pipe communicated with the top of the special-shaped shell, a cylinder communicated with the bottom of the special-shaped shell and an ammonia mixing structure arranged in the cylinder, wherein an air inlet channel is arranged on the side surface of the special-shaped shell;
the ammonia gas mixed structure is in including setting up first baffle on drum upper portion, setting are in spiral-flow tube and the setting of first baffle lower extreme are in the second baffle of spiral-flow tube lower extreme, the through-hole has been seted up on the first baffle, spiral-flow tube with the through-hole intercommunication, set up the first porous structure that makes the air current pass through on the first baffle, spiral-flow tube upper portion lateral wall is equipped with the first whirl portion that makes the air current rotatory, spiral-flow tube bottom portion lateral wall is equipped with the second porous structure that makes the air current pass through, set up the third porous structure that makes the air current pass through in the middle part of the second baffle, second baffle circumference edge is equipped with the second whirl portion that makes the air current rotatory.
Preferably, a baffle is arranged between the first partition plate and the special-shaped shell, and the upper end and the lower end of the baffle are respectively fixedly connected with the top wall of the special-shaped shell and the cyclone tube; the baffle is arc.
Preferably, the first porous structure comprises a first via hole, a second via hole and a third via hole which are circumferentially arranged outside the through hole, the first via hole and the second via hole are located in the same circumference, the third via hole is located outside the first via hole and the second via hole, the density of the first via hole is greater than that of the second via hole, and the density of the third via hole is between that of the first via hole and that of the second via hole.
Preferably, the first cyclone part comprises an opening formed along the circumferential direction of the side wall of the upper part of the cyclone tube, and a first guide vane arranged at the edge of the opening, and the first guide vane and the cyclone tube are integrally formed.
Preferably, the second porous structure is a waist-shaped structure along a fourth through hole formed in the side wall of the bottom of the cyclone tube, and the length direction of the waist-shaped structure is parallel to the circumferential direction of the cyclone tube.
Preferably, the third porous structure comprises a plurality of fifth through holes formed in the middle of the second partition plate, and the outer contour of the fifth through holes is smaller than the inner contour of the cyclone tube.
Preferably, the second cyclone part comprises an air vent arranged along the inner side of the edge of the second partition plate in the circumferential direction, and a second guide vane arranged at the edge of the air vent, wherein the second guide vane and the second partition plate are integrally formed.
Preferably, the first partition plate and the second partition plate are fixedly connected with the cylinder, the bottom surface of the first partition plate is fixedly connected with the cyclone tube, and the lower end of the cyclone tube is fixedly connected with the second partition plate.
The invention has the following technical effects:
set up inlet channel and sprayer installation pipe on through heterotypic casing, make engine exhaust and urea steam's ammonia produce the mixture, through the mixing action of ammonia mixed structure, make the air current more unobstructed, dispersion, play the effect that improves the ammonia and mix the reduction backpressure, reduce the risk of urea crystallization.
Increase first baffle among the ammonia mixed structure, cyclone tube and second baffle, make the air current fall into two parts, partly air current passes through the cyclone tube, partly air current passes through first baffle, mix two parts air current in the cavity that "worker" font structure and drum that the three formed are constituteed, pass through the second baffle after mixing, make the air current mix once more, the cyclone tube makes the air current form rotatory air current, make the air current more unobstructed, the dispersion, play the effect that improves the ammonia and mix the reduction backpressure, reduce the risk of urea crystallization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic bottom view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a schematic top view of the special-shaped housing;
FIG. 5 is a front view of the special-shaped housing;
FIG. 6 is a schematic top view of the first partition plate;
fig. 7 is a schematic top view of the second partition plate.
Wherein, 1 is heterotypic casing, 101 is inlet channel, 102 arc recess, 2 are sprayer installation pipe, 201 is sprayer mounting flange, 3 is the drum, 4 is the second baffle, 401 is the fifth via hole, 402 is the second guide vane, 5 is the cyclone tube, 501 is first guide vane, 502 is the fourth via hole, 503 is the baffle, 6 is first baffle, 601 is first via hole, 602 is the second via hole, 603 is the third via hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-7, the invention provides an ammonia mixer for an automobile exhaust system, which comprises a special-shaped shell 1, an injector mounting pipe 2 communicated with the top of the special-shaped shell 1, a cylinder 3 communicated with the bottom of the special-shaped shell 1 and an ammonia mixing structure arranged in the cylinder 3, wherein an air inlet channel 101 is arranged on the side surface of the special-shaped shell 1. The angle a between the air inlet channel and the vertical direction is 66.9 degrees. The engine exhaust pipe is communicated with the air inlet channel 101, the end face of the injector mounting pipe 2 is fixedly provided with an injector mounting flange 201, the urea injector is mounted in the injector mounting pipe 2 through the injector mounting flange 201, urea water solution sprayed by the urea injector is evaporated into ammonia gas at high temperature of engine tail gas, the engine tail gas passes through the air inlet channel 101 and is preliminarily mixed with the ammonia gas sprayed by the urea injector in the special-shaped shell 1, and the mixture of the tail gas and the ammonia gas is realized in an ammonia gas mixing structure under the pressure of the engine exhaust pipe.
The ammonia gas mixed structure is including setting up first baffle 6 on 3 upper portions of drum, set up cyclone tube 5 and the second baffle 4 of setting at cyclone tube 5 lower extreme at 6 lower extremes of first baffle, the through-hole has been seted up on first baffle 6, cyclone tube 5 and through-hole intercommunication, set up the first porous structure that makes the air current pass through on the first baffle 6, cyclone tube 5 upper portion lateral wall is equipped with the first whirl portion that makes the air current rotatory, cyclone tube 5 bottom lateral wall is equipped with the second porous structure that makes the air current pass through, the third porous structure that makes the air current pass through is seted up at 4 middle parts of second baffle, 4 circumference edges of second baffle are equipped with the second whirl portion that makes the air current rotatory. The first separator 6, the second separator 4 is a circular structure, the outer diameter of the first separator 6, the outer diameter of the second separator 4 is matched with the inner diameter of the cylinder 3, the first separator 6, the second separator 4, the cyclone tube 5 forms an I-shaped structure, one part of gas preliminarily mixed in the special-shaped shell 1 enters the cyclone tube 5 through the through hole on the first separator 6, the other part of gas is scattered through the first porous structure on the first separator 6 and passes through the first porous structure to enter the lower part of the first separator 6, one part of mixed gas in the cyclone tube 5 passes through the first cyclone part to enable the airflow to rotate, the mixed gas is firstly mixed with the mixed gas passing through the first porous structure in a cavity formed by the I-shaped structure and the cylinder 3, one part of the other part of mixed gas in the cyclone tube 5 continues to go down, the second porous structure passes through the bottom of the cyclone tube 5, and the mixed gas passing through the second porous structure is mixed with the gas after the first mixing in the cavity formed by the I-shaped structure and the cylinder 3 And (3) secondary mixing, wherein residual mixed gas in the cyclone tube 5 passes through a third porous structure on the second partition plate 4 to enter the automobile exhaust pipe, gas after secondary mixing in a cavity formed by the I-shaped structure and the cylinder 3 passes through a second cyclone part on the second partition plate 4, and the gas after secondary mixing is subjected to tertiary mixing with the mixed gas passing through the third porous structure through the rotation of the cyclone part. The straight airflow passing through the porous structure and the rotating airflow passing through the rotational flow part are subjected to repeated hedging mixing, so that the mixed gas entering the exhaust pipe of the engine is mixed more uniformly and sufficiently, the formation of crystals of urea on the inner wall of the mixer is reduced, and the exhaust emission meets the standard.
According to a further optimized scheme, a baffle 503 is arranged between the first partition plate 6 and the special-shaped shell 1, and the upper end and the lower end of the baffle 503 are fixedly connected with the top wall of the special-shaped shell 1 and the cyclone tube 5 respectively; baffle 503 is the arc, and the arc radius of baffle 503 is the same with cyclone tube 5 radius. Seted up arc recess 102 on the dysmorphism casing 1, baffle 503 inserts arc recess 102 and welds, and the radian b of baffle 503 equals 65.8, and baffle 503 plays the effect of water conservancy diversion, makes in the more accurate spraying into blender of urea aqueous solution.
According to a further optimization scheme, the first porous structure comprises a first through hole 601, a second through hole 602 and a third through hole 603 which are circumferentially arranged along the outer side of the through hole, the first through hole 601 and the second through hole 602 are located in the same circumference, the third through hole 603 is located on the outer side of the first through hole 601 and the second through hole 602, the density of the first through hole 601 is greater than that of the second through hole 602, and the density of the third through hole 603 is between that of the first through hole 601 and that of the second through hole 602. The included angle c between two adjacent first via holes 601 is 15 °, the included angle d between the first via hole 601 close to the second via hole 602 and the third via hole 603 close to the second via hole 602 is 22 °, the included angle e between the second via hole 602 and the adjacent third via hole 603 is 7 °, the included angle f between two adjacent second via holes 602 is 30 °, the included angle g between two adjacent farthest second via holes 602 is 120 °, the density settings of the first via hole 601, the second via hole 602, and the third via hole 603 are matched with the baffle 503, so that the concentration of the mixed gas passing through the first partition plate 6 is more uniform.
Further optimize the scheme, first whirl portion includes the opening of seting up along 5 upper portion lateral walls circumference of whirl pipe, sets up at opening edge's first guide vane 501, first guide vane 501 and whirl pipe 5 integrated into one piece. The first guide vane 501 rotates the mixture passing through the cyclone tube 5.
Further optimize the scheme, the second porous structure is along the fourth via hole 502 that 5 bottom lateral walls of cyclone tube seted up, and fourth via hole 502 is waist circle shape structure, and the length direction of waist circle shape structure is parallel with cyclone tube 5's circumference.
Further optimize the scheme, the third porous structure includes a plurality of fifth via holes 401 of seting up in the middle part of second baffle 4, and the external profile that a plurality of fifth via holes 401 are constituteed is less than the interior circle profile of cyclone tube 5.
In a further optimized scheme, the second swirling portion comprises an air vent arranged along the inner side of the edge of the second partition plate 4 in the circumferential direction, and a second guide vane 402 arranged at the edge of the air vent, and the second guide vane 402 and the second partition plate 4 are integrally formed. The second guide vane 402 and the first guide vane 501 rotate in the same direction, and the second guide vane 402 rotates the mixed gas passing through the second partition plate 4 again to form a rotating airflow, so that the airflow is smoother and more dispersed, the effect of improving ammonia mixing and reducing backpressure is achieved, and the risk of urea crystallization is reduced.
Further optimize the scheme, first baffle 6, second baffle 4 and drum 3 fixed connection, 6 bottom surfaces of first baffle and cyclone tube 5 fixed connection, cyclone tube 5 lower extreme and second baffle 4 fixed connection.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (8)
1. The utility model provides an automobile exhaust system ammonia mixer which characterized in that: the device comprises a special-shaped shell (1), an injector mounting pipe (2) communicated with the top of the special-shaped shell (1), a cylinder (3) communicated with the bottom of the special-shaped shell (1) and an ammonia gas mixing structure arranged in the cylinder (3), wherein an air inlet channel (101) is arranged on the side surface of the special-shaped shell (1);
the ammonia gas mixed structure is in including setting up first baffle (6), the setting on drum (3) upper portion are in cyclone tube (5) and the setting of first baffle (6) lower extreme are in second baffle (4) of cyclone tube (5) lower extreme, the through-hole has been seted up on first baffle (6), cyclone tube (5) with the through-hole intercommunication, set up the first porous structure that makes the air current pass through on first baffle (6), cyclone tube (5) upper portion lateral wall is equipped with the first whirl portion that makes the air current rotatory, cyclone tube (5) bottom lateral wall is equipped with the second porous structure that makes the air current pass through, the third porous structure that makes the air current pass through is seted up at second baffle (4) middle part, second baffle (4) circumference edge is equipped with the rotatory second whirl portion that makes the air current.
2. The automobile exhaust system ammonia mixer of claim 1, wherein: a baffle (503) is arranged between the first partition plate (6) and the special-shaped shell (1), and the upper end and the lower end of the baffle (503) are respectively fixedly connected with the top wall of the special-shaped shell (1) and the cyclone tube (5); the baffle (503) is arc-shaped.
3. The automobile exhaust system ammonia mixer of claim 1, wherein: the first porous structure comprises a first via hole (601), a second via hole (602) and a third via hole (603) which are circumferentially arranged along the outer side of the through hole, the first via hole (601) and the second via hole (602) are positioned in the same circumference, the third via hole (603) is positioned on the outer side of the first via hole (601) and the second via hole (602), the density of the first via hole (601) is greater than that of the second via hole (602), and the density of the third via hole (603) is between that of the first via hole (601) and that of the second via hole (602).
4. The automobile exhaust system ammonia mixer of claim 1, wherein: the first cyclone part comprises an opening formed in the circumferential direction of the side wall of the upper part of the cyclone pipe (5) and a first guide vane (501) arranged on the edge of the opening, and the first guide vane (501) and the cyclone pipe (5) are integrally formed.
5. The automobile exhaust system ammonia mixer of claim 1, wherein: the second porous structure is along fourth via hole (502) that cyclone tube (5) bottom lateral wall was seted up, fourth via hole (502) are waist circle shape structure, waist circle shape structure's length direction with the circumference of cyclone tube (5) is parallel.
6. The automobile exhaust system ammonia mixer of claim 1, wherein: the third porous structure comprises a plurality of fifth through holes (401) formed in the middle of the second partition plate (4), and the outer contour formed by the fifth through holes (401) is smaller than the inner circular contour of the cyclone tube (5).
7. The automobile exhaust system ammonia mixer of claim 1, wherein: the second cyclone part comprises an air vent and a second guide vane (402), wherein the air vent is circumferentially arranged on the inner side of the edge of the second partition plate (4), the second guide vane (402) is arranged on the edge of the air vent, and the second guide vane (402) and the second partition plate (4) are integrally formed.
8. The automobile exhaust system ammonia mixer of claim 1, wherein: first baffle (6), second baffle (4) with drum (3) fixed connection, first baffle (6) bottom surface with whirl pipe (5) fixed connection, whirl pipe (5) lower extreme with second baffle (4) fixed connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011385882.XA CN112539102A (en) | 2020-12-01 | 2020-12-01 | Ammonia mixer of automobile exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011385882.XA CN112539102A (en) | 2020-12-01 | 2020-12-01 | Ammonia mixer of automobile exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112539102A true CN112539102A (en) | 2021-03-23 |
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ID=75016882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011385882.XA Pending CN112539102A (en) | 2020-12-01 | 2020-12-01 | Ammonia mixer of automobile exhaust system |
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| CN (1) | CN112539102A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150110681A1 (en) * | 2013-10-22 | 2015-04-23 | Eberspacher Exhaust Technology GmbH & Co. KG | Catalytic converter device with injection section |
| CN206016920U (en) * | 2016-08-30 | 2017-03-15 | 无锡威孚力达催化净化器有限责任公司 | Urea injection mixed cell for diesel engine vent gas post processing |
| CN109453666A (en) * | 2018-11-30 | 2019-03-12 | 精诚工科汽车系统有限公司 | Mixer and vehicle |
| CN111779558A (en) * | 2020-07-07 | 2020-10-16 | 无锡威孚力达催化净化器有限责任公司 | Urea mixer for U-shaped large end cover |
| CN111927602A (en) * | 2020-08-18 | 2020-11-13 | 无锡威孚力达催化净化器有限责任公司 | Mixing device with double cyclone tube cross devices |
| CN213175779U (en) * | 2020-08-18 | 2021-05-11 | 无锡威孚力达催化净化器有限责任公司 | Chassis type SCR purifier and axial injection urea mixing device thereof |
-
2020
- 2020-12-01 CN CN202011385882.XA patent/CN112539102A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150110681A1 (en) * | 2013-10-22 | 2015-04-23 | Eberspacher Exhaust Technology GmbH & Co. KG | Catalytic converter device with injection section |
| CN206016920U (en) * | 2016-08-30 | 2017-03-15 | 无锡威孚力达催化净化器有限责任公司 | Urea injection mixed cell for diesel engine vent gas post processing |
| CN109453666A (en) * | 2018-11-30 | 2019-03-12 | 精诚工科汽车系统有限公司 | Mixer and vehicle |
| CN111779558A (en) * | 2020-07-07 | 2020-10-16 | 无锡威孚力达催化净化器有限责任公司 | Urea mixer for U-shaped large end cover |
| CN111927602A (en) * | 2020-08-18 | 2020-11-13 | 无锡威孚力达催化净化器有限责任公司 | Mixing device with double cyclone tube cross devices |
| CN213175779U (en) * | 2020-08-18 | 2021-05-11 | 无锡威孚力达催化净化器有限责任公司 | Chassis type SCR purifier and axial injection urea mixing device thereof |
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Application publication date: 20210323 |