CN110295983A - The cleaning warning system and method for liquid for treating waste gas memory for SCR system - Google Patents
The cleaning warning system and method for liquid for treating waste gas memory for SCR system Download PDFInfo
- Publication number
- CN110295983A CN110295983A CN201810244648.1A CN201810244648A CN110295983A CN 110295983 A CN110295983 A CN 110295983A CN 201810244648 A CN201810244648 A CN 201810244648A CN 110295983 A CN110295983 A CN 110295983A
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- Prior art keywords
- liquid
- waste gas
- treating waste
- memory
- cleaning
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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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
-
- 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]
-
- 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
-
- 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
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (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)
- Processes For Solid Components From Exhaust (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
This application discloses the cleaning warning systems and method that are used for SCR system liquid for treating waste gas memory (100), which includes: electronic control unit (700)；And the detection device for monitoring index related with liquid for treating waste gas total amount consumed, wherein the electronic control unit (700) is connected with the detection device data and records monitored index, and after the index being recorded reaches a specified limits, the electronic control unit (700) generates the alarm for needing to clean the liquid for treating waste gas memory (100).
Description
Technical field
This application involves the cleaning warning system of the liquid for treating waste gas memory of the SCR system used in diesel vehicle and sides
Method.
Background technique
For environmental grounds, selective catalytic reduction (SCR) system is widely used in diesel vehicle at present to engine exhaust
It is handled.SCR system generally includes liquid for treating waste gas memory, force (forcing) pump and injection unit.Liquid for treating waste gas memory
The liquid for treating waste gas (such as aqueous solution of urea) of interior storage pressurizes via force (forcing) pump, is provided to the nozzle of injection unit, and according to
According to needing to spray into the exhaust pipe of engine, thus via the SCR catalyst and engine of the SCR system arranged in exhaust pipe
Oxynitrides in exhaust gas reacts, to do harmless treatment to oxynitrides and the external world is discharged.
It is liquid for treating waste gas memory the configurating filtered device due to the requirement of liquid for treating waste gas cleanliness, to ensure from depositing
The liquid for treating waste gas of reservoir discharge reaches neatness standard.In general, when diesel vehicle is manufactured and dispatched from the factory, in liquid for treating waste gas memory
Liquid for treating waste gas is filled under stringent environmental standard, is not had pollutant and is mixed into.But liquid for treating waste gas is easily to consume
Product need constantly to be added in liquid for treating waste gas memory in the life-cycle use process of diesel vehicle.Therefore, one
In the harsh environment in a little scenes, it is more likely that during liquid for treating waste gas is added to liquid for treating waste gas memory, pollution
Object such as particle or fiber etc. are blended into liquid for treating waste gas memory.Mixed pollutant long-term accumulated will increase filter
Burden, so as to shorten the service life of filter, and then influence the service life of nozzle.
Summary of the invention
The application is directed to a kind of improved measure, and the use of the filter of existing SCR system is enabled to bear
Mitigate.
According to the one aspect of the application, a kind of cleaning alarm for SCR system liquid for treating waste gas memory is provided
System, the system include: electronic control unit；And the detection for monitoring index related with liquid for treating waste gas total amount consumed
Device, wherein the electronic control unit is connected with the detection device data and records monitored index, and in institute
After the index being recorded reaches a specified limits, the electronic control unit generation needs to clean the liquid for treating waste gas memory
Alarm.
According to further aspect of the application, a kind of cleaning for SCR system liquid for treating waste gas memory is additionally provided
Alarming method, comprising:
It monitors and records index related with liquid for treating waste gas total amount consumed；And
After the index being recorded reaches a specified limits, the police for needing to clean the liquid for treating waste gas memory is generated
Report.
Using the above-mentioned technological means of the application, user's periodic cleaning liquid for treating waste gas memory can be warned, is reduced
Pollutant bears influence caused by filter, and then can extend the service life of force (forcing) pump and nozzle.
Detailed description of the invention
The aforementioned and other side of the application will be more fully understood from aftermentioned detailed description and in conjunction with following attached drawing
Face.It should be pointed out that the ratio of each attached drawing is possible to different for clearly explained purpose, but this will not influence to this
The understanding of application.In the accompanying drawings:
Fig. 1 diagrammatically illustrates the composition figure of a part of the SCR system according to the application one embodiment；
Fig. 2 is diagrammatically illustrated according to the liquid for treating waste gas memory for SCR system of the application one embodiment
Clean the flow chart of management method；And
Fig. 3 is diagrammatically illustrated according to the liquid for treating waste gas memory for SCR system of the application one embodiment
Clean the instruction order figure of management.
Specific embodiment
In each attached drawing of the application, structure is identical or intimate feature is indicated by the same numbers.
As shown in Figure 1, for diesel vehicle SCR system generally include liquid for treating waste gas memory 100, force (forcing) pump 300,
And injection unit 400.The liquid for treating waste gas of such as aqueous solution of urea is stored in liquid for treating waste gas memory 100.It is useless
Gas disposal liquid memory 100 is configured with filter 200, so that liquid for treating waste gas is after being discharged liquid for treating waste gas memory 100
Have to pass through the filtering of filter 200.
Such as figure, liquid for treating waste gas memory 100 is in fluid communication through fluid circuit L100 and force (forcing) pump 300, and sprays list
Member 400 is in fluid communication through fluid circuit L200 and force (forcing) pump 300.Injection unit 400, which has, extends at least partially into diesel vehicle
Nozzle (not shown) in the exhaust pipe 500 of engine.
SCR system further includes electronic control unit 700, is connected with force (forcing) pump 300 and 400 data of injection unit, is used for
The two is controlled.For example, electronic control unit 700 can selectively control starting or stoping for force (forcing) pump 300, to make
Liquid for treating waste gas is obtained to reside in fluid circuit from the pressurized supply of liquid for treating waste gas memory 100.700 energy of electronic control unit
The opening and closing and/or opening and closing degree of the nozzle of enough selectivity control injection units 400, to handle the desired amount of high pressure exhaust gas
Liquid can be by controlled injection to exhaust pipe 500.
Filter 200 can be built in the shell of liquid for treating waste gas memory 100 or install as individual element
On the shell of liquid for treating waste gas memory 100.A level sensing is additionally provided in the shell of liquid for treating waste gas memory 100
Device 600 can be connected, for the liquid for treating waste gas in liquid for treating waste gas memory 100 with 700 data of electronic control unit
Liquid level be lower than a predetermined value when to 700 signal an alert of electronic control unit, remind the driver of diesel vehicle should be timely
Add liquid for treating waste gas.
Liquid for treating waste gas memory 100 includes the filling opening being arranged in the housing, is sealed by sealing cover 110.It is adding
When liquid for treating waste gas, sealing cover 110 is removed, and liquid for treating waste gas is injected into shell via filling opening.As background
It is previously mentioned in technology segment, in the environment of outside non-tight room, it is more likely that also will be dirty while injecting liquid for treating waste gas
Dye object such as particle or fiber etc. are brought into liquid for treating waste gas memory 100.Over time, it is deposited in liquid for treating waste gas
The pollutant constantly accumulated in reservoir 100 can reduce the filter effect of filter 200.In this way, impure liquid for treating waste gas has very much
Pump operation may be will affect or even block the nozzle of injection unit 400, cause more unfavorable consequence.
According to one embodiment of the application, electronic control unit 700 is every time in the liquid level for receiving liquid level sensor 600
After too low alarm signal, the record for once reminding filling liquid event can be carried out.Make a reservation for when the total number of events recorded reaches one
Limit value after, electronic control unit 700 can issue reminder alarm to the driver of diesel vehicle, such as in the vehicle-mounted aobvious of diesel vehicle
Warning note is issued in display screen, reminds driver that must remove liquid for treating waste gas memory 100, is specially cleaned, such as will
Diesel vehicle is driven to special field, and liquid for treating waste gas memory 100 is cleaned in the environment of neat and tidy, to thoroughly eliminate useless
The pollutant gathered in the shell of gas disposal liquid memory 100.
Fig. 2 is diagrammatically illustrated according to the liquid for treating waste gas memory for SCR system of the application one embodiment
Clean the flow chart of management method.It will be apparent to those skilled in the art that this method can be used as computer program instructions storage
Implementation is executed in the data storage of electronic control unit 700 and by electronic control unit 700.
In step S100, internal counter N is reset first, i.e. N=0.Then, in step S200, in liquid level sensor
After 600 determine that the liquid level of the liquid for treating waste gas of liquid for treating waste gas memory 100 is insufficient, internal counter N is added into one, i.e. N=N
+1.Then, in step S300, judge whether N is greater than or equal to a scheduled limit value Nlim, such as NlimZero can be greater than to be any
Integer.If the judging result of step S300 is "No", step S200 is gone to, is determined at exhaust gas in liquid level sensor 600
After the liquid level deficiency for managing the liquid for treating waste gas of liquid memory 100, continue internal counter N adding one.If step S300's
Judging result is "Yes", then goes to step S400.In step S400, electronic control unit 700 can be to the driving of diesel vehicle
Member issues reminder alarm, and instruction driver needs cleaning liquid for treating waste gas memory 100 in time.Then, step is passed again to
S100.For example, electronic control unit 700 can make vehicle-carrying display screen show such as and " need in next 100 kilometers of traveling
The message of cleaning liquid for treating waste gas memory in mileage ".It will be apparent to those skilled in the art that above-mentioned internal counter N can be with
It is artificially reset at any time by diesel vehicle driver.
Fig. 3 is diagrammatically illustrated according to the liquid for treating waste gas memory for SCR system of the application one embodiment
Cleaning the instruction order figure of management, wherein abscissa L represents the dosage of liquid for treating waste gas, and ordinate represents internal counter N,
It can be seen that in the example shown, Nlim=5.Using the technological means of the application, it can be ensured that in liquid for treating waste gas memory
100, by after filling liquid stipulated number, are always cleaned in time.Thus, alleviate the dirt of 100 accumulated inside of liquid for treating waste gas memory
Object is contaminated to the burden of filter 200, and then increases the long-term filter effect and service life of filter 200, is substantially reduced
A possibility that spray nozzle clogging of pump operation failure rate or injection unit 400.
In another alternative embodiment according to the application, flow sensor can be configured for filter 200, with monitoring
By the flow of filter 200.The flow sensor can be connected with 700 data of electronic control unit.In this way, no matter at exhaust gas
Whether managing 100 filling liquid of liquid memory, which can continue to monitor the flow total amount for flowing through filter 200.At this
In optional embodiment, it can be provided when the total amount of the liquid for treating waste gas for flowing through filter 200 monitored reaches a fixed limit
After value, electronic control unit 700 can issue reminder alarm to the driver of diesel vehicle, and instruction driver needs cleaning in time
Liquid for treating waste gas memory 100.Then, after alarm sending, the electronic control unit 700 is started from scratch prison again
It surveys and records the flow total amount for flowing through filter 200.
That is, the application pays close attention to related with liquid for treating waste gas total amount consumed index, the index is the same as above-mentioned and to institute
Stating the related event/event number of the filling liquid for treating waste gas of liquid for treating waste gas memory 100 is associated, and/or passed through with above-mentioned
The total amount of the liquid for treating waste gas of filter 200 is associated.
In another alternate embodiment, liquid level sensor 600 can be set into monitoring and be filled to liquid for treating waste gas memory
Liquid for treating waste gas total amount in 100 can also be used as the ginseng for evaluating above-mentioned index related with liquid for treating waste gas total amount consumed
Number.
Therefore, it is based on described embodiment, this application provides one kind to be used for SCR system liquid for treating waste gas memory
100 cleaning warning system, the system include: electronic control unit 700；And for monitoring and liquid for treating waste gas total amount consumed
The detection device of related index is supervised wherein the electronic control unit 700 is connected and records with the detection device data
The index measured, and after the index recorded reaches a specified limits, 700 (the Xiang Suoshu SCR system of electronic control unit
The user of system) issue the alarm for needing to clean the liquid for treating waste gas memory 100.
In the context of this application, Xiang Suoshu liquid for treating waste gas memory 100 fills the related event of liquid for treating waste gas
It can be any event related with will and/or have already turned on the sealing cover 110 of liquid for treating waste gas memory 100.The thing
Part may include that the liquid level in liquid for treating waste gas memory 100 is too low (so that the close of liquid for treating waste gas memory 100 will be opened
Capping 110 carries out fluid infusion).Alternatively, the event may include the sealing cover 110 for having already turned on liquid for treating waste gas memory 100
Carry out the process of fluid infusion.Alternatively, the liquid level that the event may include liquid for treating waste gas memory 100 increases.
In the embodiment in figure 1, above-mentioned detection device can be liquid level sensor 600 or flow sensor.But ability
Field technique personnel are it should be clear that above-mentioned detection device can also be achieved by other means.For example, in an optional embodiment
In, detection device can be the detection circuit of liquid for treating waste gas memory 100 being configured near sealing cover 110, for detecting
The opening event of sealing cover 110 infers whether liquid for treating waste gas memory 100 fills liquid for treating waste gas with this.Another optional
Embodiment in, detection device can be for liquid for treating waste gas memory 100 sealing cover 110 configure wireless switching.It opens close
Capping 110 must activate the wireless switching, be filled with sending to electronic control unit 700 to the liquid for treating waste gas memory 100
Infuse the detecting event of liquid for treating waste gas.
Here, present invention also provides a kind of cleaning management method for SCR system liquid for treating waste gas memory 100,
Include:
It monitors and records index related with liquid for treating waste gas total amount consumed；And
After the index related with liquid for treating waste gas total amount consumed of record reaches a specified limits, (Xiang Suoshu SCR system
User) generate and need to clean the alarm of the liquid for treating waste gas memory 100.
Although specific implementations of the present application are described in detail here, they are used for the purpose of the purpose explained and give
Out, and it is not considered that they are construed as limiting scope of the present application.In addition, it will be apparent to those skilled in the art that this explanation
Each embodiment described in book can be applied in combination each other.It is various under the premise of not departing from the application spirit and scope
Replacement, change and transformation can be contemplated out.
Claims (17)
1. one kind is used for the cleaning warning system of SCR system liquid for treating waste gas memory (100), which includes: electronic control
Unit (700)；And the detection device for monitoring index related with liquid for treating waste gas total amount consumed, wherein the electronics control
Unit (700) processed is connected with the detection device data and records monitored index, and reaches in the index being recorded
To after a specified limits, the electronic control unit (700) generates the police for needing to clean the liquid for treating waste gas memory (100)
Report.
2. cleaning warning system according to claim 1, which is characterized in that described related with liquid for treating waste gas total amount consumed
Index it is associated with to the liquid for treating waste gas memory (100) the related event number of filling liquid for treating waste gas.
3. cleaning warning system according to claim 1, which is characterized in that described to the liquid for treating waste gas memory
(100) the related event of filling liquid for treating waste gas includes that the liquid level in the liquid for treating waste gas memory (100) is predetermined lower than one
Value.
4. cleaning warning system according to claim 2 or 3, which is characterized in that described to be stored to the liquid for treating waste gas
The related event of device (100) filling liquid for treating waste gas includes opening for sealing cover (110) of the liquid for treating waste gas memory (100)
It opens.
5. according to any cleaning warning system of claim 2 to 4, which is characterized in that reached in the event number (N) recorded
To a specified value (Nlim) after, the electronic control unit (700), which generates, needs to clean the liquid for treating waste gas memory (100)
Alarm.
6. cleaning warning system according to claim 3, which is characterized in that the detection device is included at the exhaust gas
Manage the liquid level sensor (600) being arranged in liquid memory (100).
7. cleaning warning system according to claim 1, which is characterized in that the liquid for treating waste gas memory (100) with
One filter (200) is in fluid communication, and the index related with liquid for treating waste gas total amount consumed flows through together the filter
(200) flow total amount is associated.
8. cleaning warning system according to any one of claims 1 to 7, which is characterized in that after alarm sending, institute
Electronic control unit (700) is stated to start from scratch again record index related with liquid for treating waste gas total amount consumed.
9. according to any cleaning warning system of preceding claims, which is characterized in that further include for showing the police
The display screen of report.
10. the cleaning alarming method that one kind is used for SCR system liquid for treating waste gas memory (100), comprising:
It monitors and records index related with liquid for treating waste gas total amount consumed；And
After the index being recorded reaches a specified limits, generation needs to clean the liquid for treating waste gas memory (100)
Alarm.
11. cleaning alarming method according to claim 10, which is characterized in that described to have with liquid for treating waste gas total amount consumed
The index of pass is associated with to the related event number of the liquid for treating waste gas memory (100) filling liquid for treating waste gas.
12. cleaning alarming method according to claim 11, which is characterized in that described to the liquid for treating waste gas memory
(100) the related event of filling liquid for treating waste gas includes that the liquid level in the liquid for treating waste gas memory (100) is predetermined lower than one
Value.
13. cleaning alarming method according to claim 11 or 12, which is characterized in that described to be deposited to the liquid for treating waste gas
The related event of reservoir (100) filling liquid for treating waste gas includes the sealing cover (110) of the liquid for treating waste gas memory (100)
It opens.
14. 1 to 13 any cleaning alarming method according to claim 1, which is characterized in that in the event number recorded
(N) reach a specified value (Nlim) after, the electronic control unit (700), which generates, needs to clean the liquid for treating waste gas memory
(100) alarm.
15. cleaning alarming method according to claim 12, which is characterized in that described to the liquid for treating waste gas memory
(100) the related event of filling liquid for treating waste gas utilizes the level sensing being arranged in the liquid for treating waste gas memory (100)
Device (600) is realized.
16. 0 to 15 any cleaning alarming method according to claim 1, which is characterized in that the liquid for treating waste gas storage
Device (100) and a filter (200) are in fluid communication, and the index related with liquid for treating waste gas total amount consumed flows through together institute
The flow total amount for stating filter (200) is associated.
17. 0 to 16 any cleaning alarming method according to claim 1, which is characterized in that issue it in the alarm
Afterwards, start from scratch record again by index related with liquid for treating waste gas total amount consumed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810244648.1A CN110295983B (en) | 2018-03-23 | 2018-03-23 | Purge alarm system and method for an exhaust gas treatment fluid reservoir of an SCR system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810244648.1A CN110295983B (en) | 2018-03-23 | 2018-03-23 | Purge alarm system and method for an exhaust gas treatment fluid reservoir of an SCR system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110295983A true CN110295983A (en) | 2019-10-01 |
| CN110295983B CN110295983B (en) | 2022-07-08 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810244648.1A Active CN110295983B (en) | 2018-03-23 | 2018-03-23 | Purge alarm system and method for an exhaust gas treatment fluid reservoir of an SCR system |
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| CN (1) | CN110295983B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010066010A (en) * | 1999-12-31 | 2001-07-11 | 이계안 | Deposit warning apparatus in fuel tank |
| CN201385032Y (en) * | 2009-03-05 | 2010-01-20 | 天津港第四港埠有限公司 | Cleaning device for fuel tank of engineering machinery |
| CN201635806U (en) * | 2009-12-31 | 2010-11-17 | 无锡市凯龙汽车设备制造有限公司 | SCR system urea box adopting waste gas for heating |
| CN201714464U (en) * | 2010-07-14 | 2011-01-19 | 陈庆东 | Urea tank assembly |
| WO2011064266A1 (en) * | 2009-11-26 | 2011-06-03 | Continental Automotive Gmbh | Reducing agent tank having a tank extraction system |
| EP2458171A2 (en) * | 2010-11-24 | 2012-05-30 | Scania CV AB | Contamination sensor |
| CN103032135A (en) * | 2011-10-02 | 2013-04-10 | 苏州派格丽减排***有限公司 | Urea pump internally arranged type selective catalytic reduction (SCR) reducing agent storage and jetting system |
| CN203160302U (en) * | 2013-01-31 | 2013-08-28 | 三一重机有限公司 | Excavator and fuel tank thereof |
| CN203655488U (en) * | 2013-10-30 | 2014-06-18 | 徐州徐工挖掘机械有限公司 | Engineering machinery fuel tank |
| CN204609994U (en) * | 2015-05-14 | 2015-09-02 | 中国重汽集团济南动力有限公司 | A kind of air-assisted SCR urea injection system |
| CN206092128U (en) * | 2016-10-18 | 2017-04-12 | 河北鹿鸣环保科技有限公司 | Urea case lid |
| CN107654274A (en) * | 2016-07-25 | 2018-02-02 | 现代自动车株式会社 | Regulation and display urea liquid level measurement and the method and system for operating heater |
-
2018
- 2018-03-23 CN CN201810244648.1A patent/CN110295983B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010066010A (en) * | 1999-12-31 | 2001-07-11 | 이계안 | Deposit warning apparatus in fuel tank |
| CN201385032Y (en) * | 2009-03-05 | 2010-01-20 | 天津港第四港埠有限公司 | Cleaning device for fuel tank of engineering machinery |
| WO2011064266A1 (en) * | 2009-11-26 | 2011-06-03 | Continental Automotive Gmbh | Reducing agent tank having a tank extraction system |
| CN201635806U (en) * | 2009-12-31 | 2010-11-17 | 无锡市凯龙汽车设备制造有限公司 | SCR system urea box adopting waste gas for heating |
| CN201714464U (en) * | 2010-07-14 | 2011-01-19 | 陈庆东 | Urea tank assembly |
| EP2458171A2 (en) * | 2010-11-24 | 2012-05-30 | Scania CV AB | Contamination sensor |
| CN103032135A (en) * | 2011-10-02 | 2013-04-10 | 苏州派格丽减排***有限公司 | Urea pump internally arranged type selective catalytic reduction (SCR) reducing agent storage and jetting system |
| CN203160302U (en) * | 2013-01-31 | 2013-08-28 | 三一重机有限公司 | Excavator and fuel tank thereof |
| CN203655488U (en) * | 2013-10-30 | 2014-06-18 | 徐州徐工挖掘机械有限公司 | Engineering machinery fuel tank |
| CN204609994U (en) * | 2015-05-14 | 2015-09-02 | 中国重汽集团济南动力有限公司 | A kind of air-assisted SCR urea injection system |
| CN107654274A (en) * | 2016-07-25 | 2018-02-02 | 现代自动车株式会社 | Regulation and display urea liquid level measurement and the method and system for operating heater |
| CN206092128U (en) * | 2016-10-18 | 2017-04-12 | 河北鹿鸣环保科技有限公司 | Urea case lid |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110295983B (en) | 2022-07-08 |
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