CN115263499A - SCR mixer with crystallization detection device - Google Patents
SCR mixer with crystallization detection device Download PDFInfo
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- CN115263499A CN115263499A CN202210794994.3A CN202210794994A CN115263499A CN 115263499 A CN115263499 A CN 115263499A CN 202210794994 A CN202210794994 A CN 202210794994A CN 115263499 A CN115263499 A CN 115263499A
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- crystallization
- supporting seat
- scr mixer
- outer cylinder
- mixer
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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
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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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
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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
- F01N3/2006—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating
- F01N3/2013—Periodically heating or cooling catalytic reactors, e.g. at cold starting or overheating using electric or magnetic heating means
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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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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/14—Investigating or analyzing materials by the use of thermal means by using distillation, extraction, sublimation, condensation, freezing, or crystallisation
- G01N25/147—Investigating or analyzing materials by the use of thermal means by using distillation, extraction, sublimation, condensation, freezing, or crystallisation by cristallisation
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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
- F01N2610/148—Arrangement of sensors
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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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Exhaust Gas After Treatment (AREA)
- Accessories For Mixers (AREA)
Abstract
The application provides an SCR mixer with crystallization detection device relates to SCR mixer technical field. The SCR mixer with the crystallization detection device comprises a mixer main body component and a crystallization detection component. The two flange plates are respectively fixedly connected to two ends of the outer cylinder shell, the guide frame is fixedly arranged in the outer cylinder shell, the turbulence blades are arranged above the guide frame, and the outer wall of the outer cylinder shell, which is close to the upper part of the turbulence blades, is provided with a nozzle mounting opening; the first supporting seat and the second supporting seat are located behind the spoiler blade air outlet. When the crystallization that increases cuts off signal transmission between infrared transmitter and the infrared receiver, the inside alarm system of locomotive sends the police dispatch newspaper and then can indicate the inside urea crystallization of SCR mixer too much, needs in time clear up, reduces the SCR mixer and receives the influence of crystallization, reduces the SCR mixer and receives crystallization jam and impaired possibility.
Description
Technical Field
The application relates to the field of SCR mixers, in particular to an SCR mixer with a crystallization detection device.
Background
SCR (selective catalytic reduction) is a treatment process for NOx gases in the exhaust emissions of diesel vehicles. The tail gas enters an exhaust mixing pipe after coming out of the turbine, a urea metering and spraying device is installed on the mixing pipe, urea aqueous solution is sprayed, urea is hydrolyzed and pyrolyzed at high temperature to generate NH3, NOX is reduced on the surface of a catalyst of the SCR system by using the NH3, N2 is discharged, and redundant NH3 is oxidized into N2 to prevent leakage.
Urea is sprayed into the SCR mixer to easily form crystals, and the crystals accumulated for a long time become block-shaped objects; due to the lack of corresponding detection components, the crystals that are formed accumulate, and when not handled in time, the catalyst efficiency is affected and the mixer is easily damaged.
Disclosure of Invention
In order to overcome the existing defects, the embodiment of the application provides an SCR mixer with a crystallization detection device, which can solve the problems that due to the lack of a corresponding detection component, generated crystals are accumulated continuously, the efficiency of a catalyst is influenced and the mixer is easy to damage due to untimely treatment.
The technical scheme adopted by the embodiment of the application for solving the technical problem is as follows: an SCR mixer with a crystallization detection device comprises a mixer main body assembly and a crystallization detection assembly.
The mixer main body assembly comprises an outer cylinder shell, flange plates, a flow guide frame and turbulence blades, wherein the two flange plates are fixedly connected to two ends of the outer cylinder shell respectively;
crystallization detection subassembly includes first supporting seat, second supporting seat, infra-red transmitter and infrared receiver, first supporting seat with the second supporting seat all is located spoiler blade air outlet rear, and first supporting seat with the second supporting seat set up in opposite directions respectively in the urceolus shell inner wall, infra-red transmitter with infra-red receiver correspond respectively install in first supporting seat with the relative one side of second supporting seat.
In a specific embodiment, crystallization detection subassembly still includes arc pole and connecting rod, the arc pole is located the inside roof of outer shell, just arc pole both ends respectively fixed connection in first supporting seat and second supporting seat, connecting rod bottom fixed connection in the arc pole top, just the arc pole run through in outer shell outer wall.
In a specific embodiment, the crystallization detection assembly further comprises a fixing nut, an external thread is arranged outside the connecting rod, the fixing nut is located outside the outer cylinder shell, and the fixing nut is installed outside the connecting rod in a threaded manner.
In a specific embodiment, the outer wall of the outer cylinder shell is provided with a mounting hole, and the connecting rod movably penetrates through the mounting hole.
In a specific embodiment, first supporting seat with inside all is provided with first through wires hole of second supporting seat, the inside second through wires hole that is provided with of arc pole, the inside third through wires hole that is provided with of connecting rod, and the second through wires hole is linked together with first through wires hole and second through wires hole.
This SCR blender with crystallization detection device still includes auxiliary heating subassembly, auxiliary heating subassembly is located spoiler blade the place ahead, just auxiliary heating subassembly install in inside the outer cylinder shell.
In a specific embodiment, the auxiliary heating assembly comprises an annular cover shell and an electric heater, the annular cover shell is fixedly installed on the inner wall of the outer cylinder shell, a mounting groove is formed in one side, close to the inner wall of the outer cylinder shell, of the annular cover shell, and the electric heater is installed inside the mounting groove.
In a specific embodiment, the electric heater is one of an electric heating wire or an electric heating tube.
The embodiment of the application has the advantages that:
infrared emitter and infrared receiver can be connected with the inside alarm system of locomotive in advance, and when the crystallization that increases cut off the signal transmission between infrared emitter and the infrared receiver, the inside alarm system of locomotive sends out the police dispatch newspaper and then can indicate the inside urea crystallization of SCR blender too much, needs in time clear up, reduces the SCR blender and receives the influence of crystallization, reduces the SCR blender and receives the crystallization jam and impaired possibility.
Drawings
FIG. 1 is a schematic structural diagram of an SCR mixer with a crystallization detection device according to an embodiment of the present disclosure;
FIG. 2 is a schematic side view of a crystallization detection assembly according to an embodiment of the present disclosure;
fig. 3 is a schematic structural diagram of an auxiliary heating assembly according to an embodiment of the present disclosure.
Description of the main reference numerals:
10-a mixer body assembly; 110-outer cylinder shell; 120-flange plate; 130-a flow guide frame; 140-spoiler blades; 150-nozzle mounting port; 20-a crystallization detection component; 210-a first support; 220-a second support seat; 230-an infrared emitter; 240-an infrared receiver; 250-an arc-shaped rod; 260-connecting rod; 270-a retaining nut; 30-an auxiliary heating assembly; 310-an annular casing; 320-electric heater.
Detailed Description
The technical scheme in the embodiment of this application is thereby for solving above-mentioned colliery after smashing and appearing blockking up easily when the unloading and lead to the problem that production efficiency is low, and the general thinking is as follows:
referring to fig. 1 to 3, an SCR mixer with a crystallization detection device includes a mixer main body assembly 10 and a crystallization detection assembly 20.
Wherein, crystallization detection subassembly 20 is installed inside mixer main part subassembly 10, and urea spouts into the inside crystallization accumulation a quantitative back that produces of SCR mixer, and crystallization detection subassembly 20 can detect the inside crystallization of suggestion SCR mixer too much, is convenient for in time clear up the inside crystallization of SCR mixer, reduces the SCR mixer and receives the influence of crystallization, reduces the SCR mixer and receives the crystallization jam and impaired possibility.
Referring to fig. 1, the mixer body assembly 10 includes an outer cylindrical housing 110, a flange plate 120, a guide frame 130, and spoiler blades 140. The two flanges 120 are respectively fixedly connected to two ends of the outer cylinder shell 110, and the flanges 120 and the outer cylinder shell 110 are fixed by welding. The flow guide frame 130 is fixedly arranged inside the outer cylinder shell 110, and the flow guide frame 130 and the outer cylinder shell 110 are fixed by welding; and the spoiler blade 140 is installed above the guide frame 130, and the spoiler blade 140 and the guide frame 130 are fixed by welding. The outer cylindrical shell 110 is provided with a nozzle mounting opening 150 near the outer wall above the spoiler blade 140.
Referring to fig. 2, the crystallization detecting assembly 20 includes a first supporting seat 210, a second supporting seat 220, an infrared emitter 230 and an infrared receiver 240, wherein the first supporting seat 210 and the second supporting seat 220 are both located behind the air outlet of the spoiler blade 140, the first supporting seat 210 and the second supporting seat 220 are respectively disposed on the inner wall of the outer cylinder shell 110 in an opposite direction, and the infrared emitter 230 and the infrared receiver 240 are respectively correspondingly mounted on the opposite sides of the first supporting seat 210 and the second supporting seat 220.
The nozzle mounting hole 150 is used to mount a urea nozzle, and crystals formed by urea injected into the spoiler blade 140 are gradually thickened. The infrared emitter 230 and the infrared receiver 240 can be connected with an alarm system inside the locomotive in advance, when the added crystals cut off signal transmission between the infrared emitter 230 and the infrared receiver 240, the alarm system inside the locomotive sends out an alarm to prompt that urea inside the SCR mixer is too much in crystallization and needs to be cleaned in time, the influence of crystallization on the SCR mixer is reduced, and the possibility that the SCR mixer is damaged due to crystal blockage is reduced.
In one embodiment, referring to FIG. 2, the crystallization detection assembly 20 further comprises an arcuate bar 250 and a connecting bar 260. The arc rod 250 is located on the top wall inside the outer cylinder shell 110, two ends of the arc rod 250 are respectively and fixedly connected to the first supporting seat 210 and the second supporting seat 220, and the arc rod 250 is fixed with the first supporting seat 210 and the second supporting seat 220 by welding. The bottom end of the connecting rod 260 is fixedly connected to the top of the arc-shaped rod 250, and the connecting rod 260 and the arc-shaped rod 250 are fixed through welding; and the arc-shaped rods 250 penetrate the outer wall of the outer cylinder shell 110. The outer wall of the outer cylinder shell 110 is provided with a mounting hole, and the connecting rod 260 movably penetrates through the mounting hole.
Referring to fig. 2, the crystallization detecting assembly 20 further includes a fixing nut 270, an external thread is disposed outside the connecting rod 260, the fixing nut 270 is located outside the outer casing 110, and the fixing nut 270 is threadedly mounted outside the connecting rod 260. The arc-shaped rod 250 is used for connecting the first supporting seat 210 and the second supporting seat 220, and is matched with the fixing nut 270 and the connecting rod 260 for fixedly mounting the fixing connecting rod 260; the arc-shaped rod 250 and the connecting rod 260 together with the first supporting seat 210 and the second supporting seat 220 and the infrared emitter 230 and the infrared receiver 240 can be detached or installed inside the outer cylindrical shell 110 of the SCR mixer.
In a specific embodiment, please refer to fig. 2, a first threading hole is disposed inside each of the first supporting seat 210 and the second supporting seat 220, a second threading hole is disposed inside the arc rod 250, a third threading hole is disposed inside the connecting rod 260, and the second threading hole is communicated with the first threading hole and the second threading hole. The first, second and third threading holes are provided for easy installation of the infrared transmitters 230 and the infrared receivers 240.
Referring to fig. 3, the SCR mixer with a crystallization detection device further includes an auxiliary heating unit 30, the auxiliary heating unit 30 is located in front of the spoiler blade 140, and the auxiliary heating unit 30 is installed inside the outer cylindrical shell 110. The auxiliary heating assembly 30 includes an annular housing 310 and an electric heater 320. The annular housing 310 is fixedly arranged on the inner wall of the outer cylinder shell 110, and the annular housing 310 and the outer cylinder shell 110 are fixed through bolts; and a mounting groove is formed at one side of the annular housing 310 close to the inner wall of the outer cylinder shell 110, and the electric heater 320 is mounted inside the mounting groove. The electric heater 320 is one of an electric heating wire or an electric heating tube.
When the external environment climate is cold, the electric heater 320 may preheat the inside of the outer cylinder 110 in advance, and when the exhaust gas is discharged for treatment, the crystallization of the sprayed urea due to the cold spoiler blade 140 is reduced.
When this application uses:
the nozzle mounting hole 150 is used to mount a urea nozzle, and crystals formed by urea injected into the spoiler blade 140 are gradually thickened. The infrared emitter 230 and the infrared receiver 240 can be connected with an alarm system inside the locomotive in advance, when the added crystals cut off signal transmission between the infrared emitter 230 and the infrared receiver 240, the alarm system inside the locomotive sends out an alarm to prompt that urea inside the SCR mixer is too much in crystallization and needs to be cleaned in time, the influence of the crystallization on the SCR mixer is reduced, and the possibility that the SCR mixer is damaged due to crystal blockage is reduced.
It should be noted that the specific model specifications of the infrared emitter 230, the infrared receiver 240 and the electric heater 320 need to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art, so detailed description is omitted. The power supply of the infrared transmitter 230, the infrared receiver 240 and the electric heater 320 and the principle thereof will be apparent to those skilled in the art and will not be described in detail herein; the infrared transmitter 230, infrared receiver 240, and electric heater 320 may employ a locomotive internal power source.
Finally, it should be noted that: it should be understood that the above examples are only for clearly illustrating the present invention and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the scope of the invention.
Claims (8)
1. An SCR mixer with a crystallization detection device is characterized by comprising
The mixer main body assembly comprises an outer cylinder shell, flange plates, a flow guide frame and turbulence blades, wherein the two flange plates are fixedly connected to two ends of the outer cylinder shell respectively;
crystallization detection subassembly, including first supporting seat, second supporting seat, infra-red transmitter and infrared receiver, first supporting seat with the second supporting seat all is located spoiler blade air outlet rear, and first supporting seat with the second supporting seat set up in opposite directions respectively in the urceolus shell inner wall, infra-red transmitter with infra-red receiver correspond respectively install in first supporting seat with the relative one side of second supporting seat.
2. The SCR mixer according to claim 1, wherein the crystallization detection assembly further comprises an arc-shaped rod and a connecting rod, the arc-shaped rod is located on the top wall of the inner portion of the outer cylinder, two ends of the arc-shaped rod are respectively and fixedly connected to the first supporting seat and the second supporting seat, a bottom end of the connecting rod is fixedly connected to a top of the arc-shaped rod, and the arc-shaped rod penetrates through the outer wall of the outer cylinder.
3. The SCR mixer with a crystallization detection device according to claim 2, wherein the crystallization detection assembly further comprises a fixing nut, the connecting rod is externally provided with an external thread, the fixing nut is located outside the outer cylinder housing, and the fixing nut is threadedly mounted outside the connecting rod.
4. The SCR mixer with the crystal detection device of claim 3, wherein the outer wall of the outer cylinder shell is provided with a mounting hole, and the connecting rod movably penetrates through the mounting hole.
5. The SCR mixer with a crystal detection device as claimed in claim 3, wherein the first support seat and the second support seat are provided with a first threading hole inside, the arc rod is provided with a second threading hole inside, the connecting rod is provided with a third threading hole inside, and the second threading hole is communicated with the first threading hole and the second threading hole.
6. The SCR mixer with a crystallization detection device of claim 1, further comprising an auxiliary heating unit located in front of the spoiler blade, the auxiliary heating unit being installed inside the outer cylindrical housing.
7. The SCR mixer with a crystal detection apparatus of claim 6, wherein the auxiliary heating assembly comprises an annular housing and an electric heater, the annular housing is fixedly installed on the inner wall of the outer casing, a mounting groove is formed on one side of the annular housing close to the inner wall of the outer casing, and the electric heater is installed inside the mounting groove.
8. The SCR mixer with crystallization detection device of claim 7, wherein the electric heater is one of an electric heating wire or an electric heating pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210794994.3A CN115263499B (en) | 2022-07-07 | 2022-07-07 | SCR mixer with crystallization detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210794994.3A CN115263499B (en) | 2022-07-07 | 2022-07-07 | SCR mixer with crystallization detection device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115263499A true CN115263499A (en) | 2022-11-01 |
| CN115263499B CN115263499B (en) | 2023-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210794994.3A Active CN115263499B (en) | 2022-07-07 | 2022-07-07 | SCR mixer with crystallization detection device |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008014436A1 (en) * | 2008-03-14 | 2009-03-12 | Daimler Ag | Exhaust line for supplying exhaust gas from internal combustion engine to exhaust gas treatment device in motor vehicle, has heating device arranged in intermediate space for heating heatable medium flowing through space |
| CN106703958A (en) * | 2016-12-26 | 2017-05-24 | 潍柴动力空气净化科技有限公司 | Diagnostic method for crystallization in SCR catalytic muffler, SCR catalytic muffler and SCR system |
| CN109252929A (en) * | 2018-11-16 | 2019-01-22 | 上海歌地催化剂有限公司 | For testing the aided-detection device and its test method of ammonia uniformity |
| CN112282906A (en) * | 2020-10-30 | 2021-01-29 | 东风商用车有限公司 | SCR catalyst crystallization detection method, detection device and removal device |
| US20210060501A1 (en) * | 2017-12-26 | 2021-03-04 | Weichai Power Co., Ltd. | Scr system urea mixer and scr system |
| CN113530655A (en) * | 2021-08-11 | 2021-10-22 | 一汽解放汽车有限公司 | Urea crystal detection device, urea crystal treatment method, urea crystal treatment device, urea crystal treatment equipment and storage medium |
| CN114382581A (en) * | 2022-03-23 | 2022-04-22 | 潍柴动力股份有限公司 | High-efficient low back pressure aftertreatment device of diesel engine |
| CN114991914A (en) * | 2022-05-11 | 2022-09-02 | 广西本博科技有限公司 | Electrical heating SCR blender |
-
2022
- 2022-07-07 CN CN202210794994.3A patent/CN115263499B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102008014436A1 (en) * | 2008-03-14 | 2009-03-12 | Daimler Ag | Exhaust line for supplying exhaust gas from internal combustion engine to exhaust gas treatment device in motor vehicle, has heating device arranged in intermediate space for heating heatable medium flowing through space |
| CN106703958A (en) * | 2016-12-26 | 2017-05-24 | 潍柴动力空气净化科技有限公司 | Diagnostic method for crystallization in SCR catalytic muffler, SCR catalytic muffler and SCR system |
| US20210060501A1 (en) * | 2017-12-26 | 2021-03-04 | Weichai Power Co., Ltd. | Scr system urea mixer and scr system |
| CN109252929A (en) * | 2018-11-16 | 2019-01-22 | 上海歌地催化剂有限公司 | For testing the aided-detection device and its test method of ammonia uniformity |
| CN112282906A (en) * | 2020-10-30 | 2021-01-29 | 东风商用车有限公司 | SCR catalyst crystallization detection method, detection device and removal device |
| CN113530655A (en) * | 2021-08-11 | 2021-10-22 | 一汽解放汽车有限公司 | Urea crystal detection device, urea crystal treatment method, urea crystal treatment device, urea crystal treatment equipment and storage medium |
| CN114382581A (en) * | 2022-03-23 | 2022-04-22 | 潍柴动力股份有限公司 | High-efficient low back pressure aftertreatment device of diesel engine |
| CN114991914A (en) * | 2022-05-11 | 2022-09-02 | 广西本博科技有限公司 | Electrical heating SCR blender |
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|---|---|
| CN115263499B (en) | 2023-05-26 |
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