CN110725733A - Urea mixer of engine - Google Patents
Urea mixer of engine Download PDFInfo
- Publication number
- CN110725733A CN110725733A CN201911192166.7A CN201911192166A CN110725733A CN 110725733 A CN110725733 A CN 110725733A CN 201911192166 A CN201911192166 A CN 201911192166A CN 110725733 A CN110725733 A CN 110725733A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- mixing pipe
- flow blocking
- plate
- blocking plate
- 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.)
- Pending
Links
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims abstract description 38
- 239000004202 carbamide Substances 0.000 title claims abstract description 38
- 230000000903 blocking effect Effects 0.000 claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 238000013022 venting Methods 0.000 claims 1
- 210000002268 wool Anatomy 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 15
- 239000003638 chemical reducing agent Substances 0.000 abstract description 5
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- RJIWZDNTCBHXAL-UHFFFAOYSA-N nitroxoline Chemical compound C1=CN=C2C(O)=CC=C([N+]([O-])=O)C2=C1 RJIWZDNTCBHXAL-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- F01N3/2892—Exhaust flow directors or the like, e.g. upstream of catalytic device
-
- 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
- F01N3/035—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 catalytic reactors, e.g. catalysed diesel particulate filters
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—Nitrogen oxides
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
The invention discloses an engine urea mixer, belongs to the technical field of engine tail gas aftertreatment devices, and solves the problem that the existing urea mixer is poor in mixing effect due to the fact that no mechanical structure capable of promoting mixing of urea and tail gas exists inside the existing urea mixer. The mixer comprises a sleeve, wherein a mixing pipe is vertically inserted into the sleeve, a flow blocking baffle plate for connecting the mixing pipe and the sleeve to divide the sleeve into an air inlet port and an air outlet port is arranged between the mixing pipe and the sleeve, a plurality of vent holes for communicating the air inlet port with the air outlet port are arranged on the periphery of the upper part of the mixing pipe, an inclined plate which is obliquely arranged outwards is arranged on one side of each vent hole, and a spoiler connected with the inner wall of the sleeve is also arranged in the sleeve on one side of the air outlet port; the top of the mixing pipe is connected with a nozzle seat for installing a nozzle through a cover plate. The mixer disclosed by the invention is applied to tail gas aftertreatment, so that the reducing agent and the engine exhaust are fully and uniformly mixed, and the structural arrangement of a diesel engine aftertreatment system is reasonably optimized.
Description
Technical Field
The invention relates to the technical field of engine tail gas aftertreatment devices, in particular to an engine urea mixer.
Background
Currently, diesel engines emit NOxThe post-treatment system adopts Selective Catalytic Reduction (SCR), and the working principle of the system is that a reducing agent (urea solution with the concentration of 32.5%) is sprayed into an engine exhaust pipe, and the urea is heated and decomposed into NH3，NH3And NOxIn SCR catalytic convertersPartial reaction to form N2And water, thereby achieving the purpose of reducing the NOx emission of the engine. The function of the mixer in the whole system is crucial, and the mixing effect of the urea and the tail gas is determined, so that the performance of the whole system is influenced.
The existing urea mixer is mostly a straight-through long pipe, and the inside of the mixer is not provided with any mechanical structure capable of promoting the mixing of urea and tail gas, and the mixer has a poor mixing effect although the structure is simple.
The existing mixers have the following disadvantages:
1. because a structure capable of promoting the mixing of urea and tail gas is not arranged, the requirement of the whole injection system on the atomizing capacity of the nozzle is high, the manufacturing difficulty of the nozzle is increased, and the manufacturing cost of the nozzle is increased;
2. in order to achieve the effect of fully mixing the urea and the tail gas, the length of the mixer is designed to be very long, and the urea has strong corrosivity, so that the material of the mixing pipe needs to be a stainless steel material with high corrosion resistance, and the problems of large material consumption, high cost and large system volume of the mixer are caused;
3. because the mixer is a straight-through long pipe, the tail gas in the mixer flows slowly, and the tail gas is easy to form crystals on the surface of the urea nozzle or the inner wall of the mixing pipe, so that the problem of pipeline blockage is caused.
Disclosure of Invention
The invention aims to solve the technical problem of the prior art, and provides an engine urea mixer which is applied to exhaust aftertreatment, so that a reducing agent and engine exhaust are fully and uniformly mixed, and the structural arrangement of a diesel engine aftertreatment system is reasonably optimized.
The technical scheme adopted by the invention is as follows: an engine urea mixer comprises a sleeve, wherein a mixing pipe is vertically inserted into the sleeve, a flow blocking baffle plate for connecting the mixing pipe and the sleeve to divide the sleeve into an air inlet port and an air outlet port is arranged between the mixing pipe and the sleeve, a plurality of vent holes for communicating the air inlet port with the air outlet port are arranged on the periphery of the upper part of the mixing pipe, an inclined plate which is obliquely arranged outwards is arranged on one side of each vent hole, and a spoiler connected with the inner wall of the sleeve is further arranged in the sleeve on one side of the air outlet port; the top of the mixing pipe is connected with a nozzle seat for installing a nozzle through a cover plate.
As a further improvement, the flow blocking baffle comprises a first flow blocking plate, a second flow blocking plate and a third flow blocking plate, the second flow blocking plate is horizontally arranged on the periphery of the middle part of the mixing pipe, the first flow blocking plate and the third flow blocking plate are vertically arranged, the top of the first flow blocking plate is connected with the second flow blocking plate, the periphery of the lower part of the first flow blocking plate is connected with the inner wall of the casing pipe, the bottom of the third flow blocking plate is connected with the second flow blocking plate, and the periphery of the lower part of the third flow blocking plate is connected with the inner wall of the casing pipe.
Furthermore, the first spoiler is a U-shaped plate with a convex middle part towards one side of the air inlet port, and correspondingly, the third spoiler is a U-shaped plate with a concave middle part towards one side of the air outlet port.
Further, the bottom of the mixing pipe is provided with a steel wire ball.
Furthermore, a gas collecting groove is formed in the center of the spoiler, and a plurality of gas outlet holes are formed in the gas collecting groove.
Furthermore, a plurality of turbulent flow grooves are uniformly formed in the turbulent flow plate on the periphery of the gas collecting groove.
Further, the vent hole is a long hole extending along the axial direction of the mixing pipe, and correspondingly, the inclined plate is a long plate extending along the axial direction of the mixing pipe.
Furthermore, a plurality of auxiliary air inlets are formed in the mixing pipe above the vent holes.
Further, the axis of the mixing tube is perpendicular to and intersects the axis of the sleeve.
Advantageous effects
Compared with the prior art, the invention has the following advantages:
1. the invention relates to an engine urea mixer, which is applied to tail gas aftertreatment, wherein a mixing pipe which is vertically arranged is additionally arranged in a sleeve, through the design of a flow-resisting baffle plate, a vent hole and an inclined plate, tail gas firstly changes the flow direction through the flow-resisting baffle plate, then enters the mixing pipe in a spiral airflow form through the blockage of the inclined plate to be contacted with urea, so that a reducing agent and engine exhaust are fully and uniformly mixed, the length of the mixer is shortened, the production material and cost are reduced, the volume of a whole injection system is reduced, and the structural arrangement of a diesel engine aftertreatment system is reasonably optimized.
2. The spoiler is additionally arranged in the sleeve on one side of the air outlet port, so that mixed gas is discharged through impact turbulence again, the mixing effect is further improved, and the spoiler is provided with the turbulence grooves, so that the gas flow can be impacted again, the flow direction of the gas flow can be changed, and the mixing effect is further improved.
3. According to the invention, the steel wire ball is arranged at the bottom of the mixing pipe, so that the gas passing requirement is met, the mixing effect is further improved, and meanwhile, impurities in partial tail gas can be filtered, and the emission effect is further improved.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a schematic diagram of the right view structure of the present invention;
FIG. 4 is a schematic top view of the mixing tube installation of the present invention;
fig. 5 is an exploded view of a part of the present invention.
Wherein: the air inlet and outlet device comprises a sleeve 1, a mixing pipe 2, an air inlet 3, an air outlet 4, an air vent 5, an air vent 6, an inclined plate 7, a spoiler 8, a cover plate 9, a nozzle seat 10, a first spoiler 11, a second spoiler 12, a third spoiler 12, a steel wire ball 13, a gas collecting groove 14, an air outlet 15, a flow disturbing groove 16 and an auxiliary air inlet 17.
Detailed Description
The invention will be further described with reference to specific embodiments shown in the drawings.
Referring to fig. 1-5, the urea mixer for an engine according to the present invention comprises a casing 1, the casing 1 is a hollow pipe for connecting with a tail gas discharge pipe, a mixing pipe 2 is vertically inserted into the casing 1, the mixing pipe 2 is a hollow pipe, a flow-blocking baffle plate is disposed between the mixing pipe 2 and the casing 1 for separating the casing 1 into an inlet port 3 and an outlet port 4, the flow-blocking baffle plate isolates the casing 1 into two closed cavities, a plurality of vent holes 5 for communicating the inlet port 3 with the outlet port 4 are disposed at the periphery of the upper portion of the mixing pipe 2, so that tail gas enters the mixing pipe 2 through the vent holes 5 and is discharged to the outlet port 4, an inclined plate 6 is disposed at one side of each vent hole 5, the tail gas is blocked by the inclined plate 6, obliquely cuts into the mixing pipe 2 to form a spiral gas flow, a spoiler 7 connected with the inner wall of the casing 1 is further disposed in the casing 1 at one side of the outlet port 4, the spoiler 7 can block and impact the mixed gas to further improve the mixing effect; the top of the mixing pipe 2 is connected with a nozzle holder 9 for installing a nozzle through a cover plate 8, so that the urea nozzle is convenient to install, and urea can be ensured to be sprayed into the mixing pipe 2 to be in contact with tail gas for mixed reaction.
Specifically, the flow blocking baffle comprises a first flow blocking plate 10, a second flow blocking plate 11 and a third flow blocking plate 12, wherein the second flow blocking plate 11 is horizontally arranged on the periphery of the middle part of the mixing pipe 2, the first flow blocking plate 10 and the third flow blocking plate 13 are vertically arranged, the top of the first flow blocking plate 10 is connected with the second flow blocking plate 11, the periphery of the lower part of the first flow blocking plate 10 is connected with the inner wall of the casing pipe 1, the bottom of the third flow blocking plate 12 is connected with the second flow blocking plate 11, the periphery of the lower part of the third flow blocking plate 12 is connected with the inner wall of the casing pipe 1, the three flow blocking plates block the circulation of the tail gas, and the tail gas can be guided to enter from the vent holes 5 of the mixing pipe 2, so that the purpose.
Preferably, the first spoiler 10 is a U-shaped plate with a convex middle portion toward the inlet port 3 side, and the exhaust gas collides with the convex U-shaped plate to perform collision and dispersion on the air flow, and correspondingly, the third spoiler 12 is a U-shaped plate with a concave middle portion toward the outlet port 4 side, and the exhaust gas collides with the concave U-shaped plate to perform convergence and diversion on the air flow, so as to introduce the vent holes 5.
Preferably, be equipped with steel wire ball 13 in the 2 bottoms of hybrid tube, this steel wire ball 13 is stainless steel wire ball, and the accessible supports steel wire ball 13 in 2 bottoms fixed mounting supports of hybrid tube to the dismouting is changed, through steel wire ball 13's setting, when satisfying gas and passing through the requirement, further improves the mixed effect, can filter the impurity in the partial tail gas simultaneously, further improves and discharges the effect.
Preferably, the spoiler 7 is a circular plate matched with the inner wall of the sleeve 1, the gas collecting groove 14 is formed in the center of the spoiler 7, the gas collecting groove 14 is a circular groove and can collect the mixed gas to the center of the spoiler 7, and the gas collecting groove 14 is internally provided with a plurality of gas outlet holes 15 so as to facilitate discharge of the mixed gas.
Preferably, a plurality of turbulence grooves 16 are uniformly arranged on the spoiler 7 at the periphery of the gas collecting groove 14, the cross section of each turbulence groove 16 is composed of two sections of parabolas with different eccentricities, mixed gas enters the turbulence grooves 16 after impacting the spoiler 7, then flows back out of the turbulence grooves 16, and is finally discharged from the gas collecting groove 14, so that the mixed gas can impact gas flow again and change the flow direction of the gas flow, and the mixing effect is further improved.
Preferably, the vent holes 5 are long holes extending in the axial direction of the mixing pipe 2, and correspondingly, the inclined plate 6 is a long plate extending in the axial direction of the mixing pipe 2, ensuring the intake air flow rate.
Preferably, a plurality of auxiliary air intake holes 17 are further formed in the mixing pipe 2 above the vent holes 5 to assist air intake and ensure the flow rate of intake air.
Preferably, the axial line of the mixing pipe 2 is perpendicular to and intersects with the axial line of the sleeve 1, and the volume of the mixing pipe 2 is increased, so that the mixing volume of the tail gas and the urea is increased, and the mixing effect is further improved.
When the engine urea mixer is used, tail gas enters the sleeve 1 from the air inlet 3, is changed in direction under the blocking of the first spoiler 10, the second spoiler 11 and the third spoiler 12, and is guided to the vent hole 5 to enter the mixing pipe 2, so that the tail gas enters the mixing pipe 2 in a spiral airflow mode, and at the moment, the urea nozzle sprays urea into the mixing pipe 2 to be in contact reaction with the tail gas for mixing; then the mixed gas flows along the bottom of the mixing pipe 2 and is discharged to the gas outlet port 4 through the steel wire ball 13, the mixed gas continues to flow into the spoiler 7, and then collides with the turbulent flow groove 16 again, is collected to the gas collecting groove 14 and is discharged from the gas outlet hole 15, thereby achieving the purpose of tail gas treatment. The invention relates to an engine urea mixer, which is applied to tail gas aftertreatment, wherein a mixing pipe which is vertically arranged is additionally arranged in a sleeve, through the design of a flow-resisting baffle plate, a vent hole and an inclined plate, tail gas firstly changes the flow direction through the flow-resisting baffle plate, then enters the mixing pipe in a spiral airflow form through the blockage of the inclined plate to be contacted with urea, so that a reducing agent and engine exhaust are fully and uniformly mixed, the length of the mixer is shortened, the production material and cost are reduced, the volume of a whole injection system is reduced, and the structural arrangement of a diesel engine aftertreatment system is reasonably optimized.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various changes and modifications without departing from the structure of the invention, which will not affect the effect of the invention and the practicability of the patent.
Claims (9)
1. An engine urea mixer comprises a sleeve (1) and is characterized in that a mixing pipe (2) is vertically inserted into the sleeve (1), a flow blocking baffle plate which is used for connecting the mixing pipe (2) and the sleeve (1) to divide the sleeve (1) into an air inlet port (3) and an air outlet port (4) is arranged between the mixing pipe (2) and the sleeve (1), a plurality of vent holes (5) which are used for communicating the air inlet port (3) with the air outlet port (4) are arranged on the periphery of the upper part of the mixing pipe (2), an inclined plate (6) which is obliquely arranged outwards is arranged on one side of each vent hole (5), and a spoiler (7) which is connected with the inner wall of the sleeve (1) is also arranged in the sleeve (1) on one side of the air outlet port (4); the top of the mixing pipe (2) is connected with a nozzle seat (9) for installing a nozzle through a cover plate (8).
2. The engine urea mixer according to claim 1, wherein the flow blocking baffle comprises a first flow blocking plate (10), a second flow blocking plate (11) and a third flow blocking plate (12), the second flow blocking plate (11) is horizontally installed at the middle periphery of the mixing pipe (2), the first flow blocking plate (10) and the third flow blocking plate (13) are vertically arranged, the top of the first flow blocking plate (10) is connected with the second flow blocking plate (11), the lower periphery of the first flow blocking plate (10) is connected with the inner wall of the casing pipe (1), the bottom of the third flow blocking plate (12) is connected with the second flow blocking plate (11), and the lower periphery of the third flow blocking plate (12) is connected with the inner wall of the casing pipe (1).
3. An engine urea mixer according to claim 2, characterized in that said first baffle (10) is a U-shaped plate with a convex middle part towards the inlet port (3) side, and correspondingly said third baffle (12) is a U-shaped plate with a concave middle part towards the outlet port (4) side.
4. An engine urea mixer according to claim 1, characterized in that the bottom of said mixing pipe (2) is provided with steel wool (13).
5. An engine urea mixer according to claim 1, characterized in that the spoiler (7) is centrally provided with a gas collecting channel (14), and the gas collecting channel (14) is provided with a plurality of gas outlet holes (15).
6. An engine urea mixer according to claim 5, characterized in that a plurality of turbulence grooves (16) are uniformly arranged on the turbulence plate (7) at the periphery of the gas collecting groove (14).
7. An engine urea mixer according to any of claims 1-6, characterized in that said venting holes (5) are elongated holes extending in the axial direction of the mixing pipe (2), and correspondingly said sloping plate (6) is an elongated plate extending in the axial direction of the mixing pipe (2).
8. The engine urea mixer as claimed in claim 7, wherein a plurality of auxiliary air intake holes (17) are further opened on the mixing pipe (2) above the vent hole (5).
9. An engine urea mixer according to claim 1, characterized in that the axis of the mixing pipe (2) is perpendicular to and intersects the axis of the sleeve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911192166.7A CN110725733A (en) | 2019-11-28 | 2019-11-28 | Urea mixer of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911192166.7A CN110725733A (en) | 2019-11-28 | 2019-11-28 | Urea mixer of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110725733A true CN110725733A (en) | 2020-01-24 |
Family
ID=69225752
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911192166.7A Pending CN110725733A (en) | 2019-11-28 | 2019-11-28 | Urea mixer of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110725733A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237036A (en) * | 2020-03-28 | 2020-06-05 | 无锡威孚力达催化净化器有限责任公司 | Shunting rotating urea mixing device |
| CN114483263A (en) * | 2022-01-13 | 2022-05-13 | 无锡威孚力达催化净化器有限责任公司 | Mixer for an exhaust gas aftertreatment system |
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|---|---|---|---|---|
| CN207178008U (en) * | 2017-07-27 | 2018-04-03 | 天纳克（苏州）排放系统有限公司 | Engine exhaust post-processes mixing arrangement and its after-treatment device |
| CN207945006U (en) * | 2018-03-01 | 2018-10-09 | 无锡威孚力达催化净化器有限责任公司 | Side air inlet spar-type platforms SCR mixing arrangements |
| CN108757109A (en) * | 2018-07-11 | 2018-11-06 | 天纳克（苏州）排放系统有限公司 | U-shaped exhaust gas post-treatment device |
| CN109505685A (en) * | 2019-01-16 | 2019-03-22 | 无锡威孚力达催化净化器有限责任公司 | The tilting cartridge type urea mixer of double-cyclone and its application in exhaust gas post-treatment device |
| CN109707491A (en) * | 2019-03-07 | 2019-05-03 | 广西玉柴机器股份有限公司 | The mixer of spraying system |
| CN210977643U (en) * | 2019-11-28 | 2020-07-10 | 广西玉柴机器股份有限公司 | Urea mixer of engine |
-
2019
- 2019-11-28 CN CN201911192166.7A patent/CN110725733A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207178008U (en) * | 2017-07-27 | 2018-04-03 | 天纳克（苏州）排放系统有限公司 | Engine exhaust post-processes mixing arrangement and its after-treatment device |
| CN207945006U (en) * | 2018-03-01 | 2018-10-09 | 无锡威孚力达催化净化器有限责任公司 | Side air inlet spar-type platforms SCR mixing arrangements |
| CN108757109A (en) * | 2018-07-11 | 2018-11-06 | 天纳克（苏州）排放系统有限公司 | U-shaped exhaust gas post-treatment device |
| CN109505685A (en) * | 2019-01-16 | 2019-03-22 | 无锡威孚力达催化净化器有限责任公司 | The tilting cartridge type urea mixer of double-cyclone and its application in exhaust gas post-treatment device |
| CN109707491A (en) * | 2019-03-07 | 2019-05-03 | 广西玉柴机器股份有限公司 | The mixer of spraying system |
| CN210977643U (en) * | 2019-11-28 | 2020-07-10 | 广西玉柴机器股份有限公司 | Urea mixer of engine |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111237036A (en) * | 2020-03-28 | 2020-06-05 | 无锡威孚力达催化净化器有限责任公司 | Shunting rotating urea mixing device |
| CN114483263A (en) * | 2022-01-13 | 2022-05-13 | 无锡威孚力达催化净化器有限责任公司 | Mixer for an exhaust gas aftertreatment system |
| CN114483263B (en) * | 2022-01-13 | 2023-08-04 | 无锡威孚力达催化净化器有限责任公司 | Mixer for exhaust aftertreatment system |
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