CN106640293B - A kind of marine diesel SCR control system - Google Patents
A kind of marine diesel SCR control system Download PDFInfo
- Publication number
- CN106640293B CN106640293B CN201611240540.2A CN201611240540A CN106640293B CN 106640293 B CN106640293 B CN 106640293B CN 201611240540 A CN201611240540 A CN 201611240540A CN 106640293 B CN106640293 B CN 106640293B
- Authority
- CN
- China
- Prior art keywords
- module
- urea
- control module
- valve
- control
- 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.)
- Active
Links
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
- F01N3/18—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]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
-
- 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
- F01N9/00—Electrical control of exhaust gas treating apparatus
-
- 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
- Y02T10/12—Improving ICE efficiencies
-
- 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)
Abstract
A kind of marine diesel SCR control system,Using Siemens S7-300 PLC as controller,Including function of initializing module,Major cycle functional module and cycle interruption functional module,The parameter initialized before the starting of function of initializing module storage system,Major cycle functional module includes on-site control module,Centralized-control module,Alarm failure processing module and shutdown processing module,On-site control module realizes the amount of injection for manually controlling exhaust gas inlet valve and by-passing valve and controlling urea by machine,Centralized-control module central station of floating dock realize manually with the switching of automatic control,Control the injection of urea,Alarm failure processing module is to being higher by the upper limit or alarm lower than the analog quantity of lower limit,It shuts down processing module and executes halt instruction after alarm,Cycle interruption functional module includes the host computer monitored picture mobilism module of sampled value is transformed to the engineering value of commercial weight guiding principle and is stored analog quantity processing module and the Dynamically Announce of monitored picture under realization different mode.The present invention Operating condition adjustment urea injecting quantity different according to host makes NOx content in diesel engine vent gas meet TIER III requirement.
Description
Technical field
The present invention relates to the controls of SCR system after high-power diesel engine booster, and in particular to a kind of marine diesel SCR
Control system belongs to Diesel Engine Technique Field.
Background technique
Marine diesel SCR control system mainly completes the control to urea injection system in SCR system.
PLC (programmable logic controller (PLC)) is widely used in automatic control system, and major domain has：Switching value logic control
System, motion control, closed loop procedure control, data processing, connected network communication etc..
PLC product is normalized, seriation, modularization, selects equipped with the various hardware devices of great variety of goods for user
It selects, user can flexibly carry out system configuration, and the automated system of composition different function, different scales has stronger bringing onto load
Ability can directly drive solenoid valve and contactor.
PLC function is strong, cost performance is high, high reliablity, strong antijamming capability, easy to maintenance, the development cycle is short.
Summary of the invention
The object of the present invention is to provide a kind of marine diesel SCR control systems, are made using Siemens S7-300 PLC
For controller, urea injection system is automatically controlled, according to the different operating condition of host, urea injecting quantity is adjusted, makes diesel engine vent gas
Middle NOx content meets TIER III requirement.
To achieve the above object, technical solution of the invention is as follows：
A kind of marine diesel SCR control system includes：
Function of initializing module, the parameter of required system initialization, executes in system electrification before storage system starting
Once, designated value is set by the parameter value wherein stored；
Major cycle functional module, including on-site control module, centralized-control module, alarm failure processing module and shutdown
Processing module, wherein：
The on-site control module is realized by machine manually controls exhaust gas inlet valve and by-passing valve, manually controls the spray of urea
The amount of penetrating, including submodule is manually controlled, it includes valve control module and urea injecting quantity control module, institute that this, which manually controls submodule,
It states valve control module control exhaust gas inlet valve and by-passing valve reaches corresponding aperture, the urea injecting quantity control module control meter
Amount pump sprays corresponding urea amount；
The centralized-control module is realized in central station of floating dock manually with the switching of automatic control, and the injection of urea is controlled, and is wrapped
Manual control module and automatic control module are included, what the manual control module processing man-machine interface was sent opens/closes finger
It enables and valve opening instructs, and specified aperture is reached by valve control module control exhaust gas inlet valve and by-passing valve, it is described
Automatic control module includes TierII module, prepares TierIII module and TierIII module, and the TierII resume module is come
From the request instruction of man-machine interface, make the state for showing that equipment reaches TierII requirement, and control by the valve control module
Exhaust gas inlet valve and by-passing valve reach specified aperture, and the preparation TierIII resume module refers to from the request of man-machine interface
It enables, reaches relevant device and prepare the state that TierIII is required, and exhaust gas inlet valve and side are controlled by the valve control module
Port valve reaches specified aperture, and the request instruction of the TierIII resume module from man-machine interface reaches relevant device
The state that TierIII is required, and read urea injecting quantity signal；
The alarm failure processing module is set as the numerical value for being more than alarm limit the flag bit of corresponding upper and lower bound,
To being higher by the upper limit or alarm lower than the analog quantity of lower limit；
The shutdown processing module executes halt instruction after analog quantity is beyond alarm limit, makes the exhaust gas inlet valve and side
Port valve reaches home and stops urea injection；
Cycle interruption functional module, including analog quantity processing module and host computer monitored picture mobilism module,
In：
The sampled value obtained by digital filtering is transformed to the engineering value of commercial weight guiding principle by the analog quantity processing module, and is stored up
Deposit transformed data；
The host computer monitored picture mobilism module realizes the Dynamically Announce of monitored picture under different mode.
Further, the submodule that manually controls handles the operational order from touch screen, and valve opening is referred to
Order is sent to the valve control module, and urea injecting quantity instruction is sent to the urea injecting quantity control module.
Further, the TierIII module includes urea open loop the amount of injection submodule and urea injecting quantity submodule,
The urea injecting quantity submodule reads load-urea injecting quantity curve according to current hosts load and determines current desired want
Urea amount, the urea open loop the amount of injection submodule calculate urea injecting quantity signal.
Further, the alarm failure processing module uses sound-light alarm mode, dodges when generating failure Times warning lamp
It is bright, buzzer rings；After pressing alarm response button, alarm lamp is always on, and buzzer is closed；Alarm lamp is put out after Failure elimination
It goes out.
Further, the SCR control system is using Siemens S7-300 PLC as controller.
Compared with prior art, the beneficial effects of the invention are as follows：
1, the SCR control system uses modular program structure, and broken down into program is become several sub-function modules,
This is not only convenient for the understanding and programming of program, and is easy to implement the Function Extension of program and the lookup exclusion of failure.
2, using S7-300PLC as controller, have function is strong, cost performance is high, high reliablity, strong antijamming capability,
Easy to maintenance, the advantages that development cycle is short.
3, it realizes with the automatic the amount of injection for changing urea of the variation of main unit load, contains to reduce NOx in exhaust gas
Amount, meets the requirement of Tier III emission regulation.
Detailed description of the invention
Fig. 1 is principle schematic diagram of the invention.
Specific embodiment
SCR system is designed after the present invention is directed to high-power low-speed diesel booster, and control SCR system rises
Dynamic and stoppings, model selection, the manual/auto injection of urea, the automatic/hand opening and closing of exhaust gas inlet valve and by-passing valve,
The functions such as alarm and fault diagnosis.
The marine diesel SCR control system uses Siemens S7-300 series of PLC and Wan Ke (Wago) PLC, touches
Screen uses Siemens TP1200 essence intelligence panel, and host computer uses Siemens's industrial personal computer, and controller and touch screen use
Portal V12 software programming, ipc monitor use Wincc V7.0 configuration software；Embody Siemens's Integrated automation
Theory.
The main control function of SCR system may be implemented in S7-300 series of PLC, and ten thousand can CAN of the PLC for NOx sensor
Bus communication.
The present invention is described in further detail with specific embodiment with reference to the accompanying drawing, but cannot therefore limit
Protection scope of the present invention processed.
Referring to Fig. 1, diagram marine diesel SCR control system uses Siemens S7-300 PLC as controller, including
There are function of initializing module OB100, major cycle functional module OB1 and cycle interruption functional module OB35.It is respectively described below：
1, function of initializing module OB100
The parameter of required system initialization before the starting of function of initializing module OB100 storage system, in system electrification
It executes once, sets designated value for the parameter value wherein stored.
2, major cycle functional module OB1
Main control function, including four functional modules are stored in major cycle functional module 0B1：Centralized-control function
Module, on-site control functional module, alarm failure processing module FC10 and shutdown processing functions of modules module FC11.
Centralized-control module is divided into manual control module FC3 and automatic control module FC2.The function of centralized-control module
It can realize the switching of manual/auto control for manually or automatically controlling exhaust gas inlet valve, by-passing valve at central station of floating dock, control urea
Injection.
Manual control module FC3 includes valve control module, and what manual control module FC3 processing man-machine interface was sent beats
Opening/closing instruction and valve opening instruction, and it is sent to valve control module, valve control module control exhaust gas inlet valve, by-passing valve make
It reaches specified aperture.
Automatic control module FC2 includes TierII module FC7, prepares TierIII module FC8, TierIII module FC9 tri-
A functional module.TierII module FC7 handles the request instruction from man-machine interface, makes to show that equipment reaches TierII requirement
State, and valve control module is sent a signal to, valve control module control exhaust gas inlet valve, by-passing valve reach specified open
Degree；Prepare TierIII module FC8 and handle the request instruction from man-machine interface, reaches relevant device and prepare TierIII requirement
State, and send a signal to valve control module, valve control module control exhaust gas inlet valve, by-passing valve reach specified open
Degree；TierIII module FC9 handles the request instruction from man-machine interface, and relevant device is made to reach the state of TierIII requirement,
Urea open loop spray is read including urea open loop the amount of injection submodule FC5 and urea injecting quantity submodule FC6, TierIII module FC9
The calculated urea injecting quantity signal of quantum module FC5 institute is penetrated, urea injecting quantity submodule FC6 is read according to current hosts load
Load-urea injecting quantity curve determines the current desired urea amount wanted.
The function of on-site control module is that exhaust gas inlet valve, by-passing valve are manually controlled by machine, manually controls urea injection
Amount, including manually control submodule FC4.Manually controlling submodule FC4 includes valve control module and urea injecting quantity control module,
Operational order of the submodule FC4 processing from touch screen is manually controlled, and valve opening instruction is sent to valve control module, will be urinated
Plain the amount of injection instruction is sent to urea injecting quantity control module.Valve control module control exhaust gas inlet valve, by-passing valve reach
Corresponding aperture, urea injecting quantity control module control metering pump and spray corresponding urea amount.
Alarm failure processing module FC10 to be higher by after scale conversion the upper limit or lower than lower limit analog quantity carry out bound
Alarm.The numerical value for being more than alarm limit is set as corresponding flag bit.Alert process program is controlled using sound-light alarm, faulty
When generation, alarm lamp flashing, buzzer rings.After alarm response button is pressed, alarm lamp is always on, while alarm buzzer closes
It closes.Alarm lamp goes out after Failure elimination.
Processing functional module FC11 is shut down, beyond after safe range, shutdown is handled simulation numerical quantity after scale conversion
Functional module FC11 can execute halt instruction, and respective valves is made to reach home, and stop urea injection.
3, cycle interruption functional module OB35
Requirement of real-time height is stored in cycle interruption functional module OB35 and has certain functional module for executing frequency requirement,
Including analog quantity processing module FC1 and host computer monitored picture mobilism module.
Analog quantity processing module FC1 includes scale conversion module FC105 and scale conversion module FC106.It is filtered by number
The efficiently sampling value that wave obtains tends not to directly use, it is necessary to which converting it into after the engineering value of commercial weight guiding principle could operation, aobvious
Show, alarm.Analog quantity processing module FC1 calls scale conversion module FC105 and scale conversion module FC106 to carry out scale change
It changes, and will be in the data deposit scale conversion data block after scale conversion.
Host computer monitored picture mobilism module, SCR system under different working modes, upper monitoring computer
The system mode of mobilism, which is shown, to be different, which realizes monitors under different mode
The Dynamically Announce of picture.
The signal output of each intermodule of the SCR control system and transitive relation are as follows：
Function of initializing module OB100：Switch indication light mode bit, valve location analog quantity initial value.
Major cycle functional module OB1：Control position, operational mode state position, urea injecting quantity, alarm, stopping signal.
Centralized-control module：Automatic/hand state of a control position, mode state position, urea injecting quantity.
Manual control module FC3：Manually control mode bit, valve position signal.
Valve control module：Valve position and feedback signal.
Automatic control module FC2：Automatic control state position, mode state position, urea injecting quantity.
TierII module FC7：TierII operational mode state position, valve position signal.
Valve control module：Valve position set point and feedback signal.
Prepare TierIII module FC8：Prepare TierIII operational mode state position, valve position signal.
Valve control module：Valve position set point and feedback signal.
TierIII module FC9：TierIII operational mode state position, urea injecting quantity.
Urea open loop the amount of injection submodule FC5：Urea injecting quantity.
Urea injecting quantity submodule FC6：MAP.
On-site control module：Manually control mode bit, valve setpoint point, urea injecting quantity.
Manually control submodule FC4：Valve setpoint point, urea injecting quantity.
Valve control module：Valve position set point and feedback signal.
Urea injecting quantity control module：Urea injecting quantity.
Alarm failure processing module FC10：Alarm signal.
Shut down processing module FC11：Stopping signal.
Cycle interruption functional module OB35：Exhaust gas temperature, the analog signals such as pressure, host computer state of a control position.
Analog quantity processing module FC1：Exhaust gas temperature, the analog signals such as pressure.
Scale conversion module FC105：The actual measured value of sensor acquisition.
Scale conversion module FC106：To the setting value of actuator.
Host computer monitored picture mobilism module：Host computer state of a control position.
The marine diesel SCR control system needs are communicated with engine control system, acquire main unit load signal,
It is communicated simultaneously with urea metering injection system, according to the difference of main unit load, adjust automatically urea injecting quantity makes host tail
NOx content meets TIER III requirement in gas.
System control position can be converted between host computer by machine.In PC control interface, it is elected to
When selecting TIER II mode, control system controls reactor by-passing valve and opens, and inlet valve and outlet valve are closed.When selection prepares
When TIER III, inlet valve and outlet valve are slowly opened, and after two valves all fully open, by-passing valve is slowly closed, and is given at this time
Catalyst heating, after catalyst temperature reaches requirement, if selection TIER III mode, urea start to spray.If again
TIER II mode is selected, by-passing valve is slowly opened, and after fully opening, inlet valve and outlet valve are slowly closed.When valve is manual
Under mode, it can be manually entered valve opening, valve is made to reach designated position.Equally in on-site control, it can also complete
State control function.
System mode can be monitored in real time in man-machine interface, such as main unit load, urea injection system state, SCR system
Present mode, valve opening, NOx concentration, NOX conversion efficiency etc..Each channel status of hardware can be monitored.
System has the function of alarm and security.When key parameter reaches alarm limits, triggering is alarmed, and has indicator light by machine
It has been shown that, while there is warning message in host computer.When key parameter reaches security limit value, TIER II mode is automatically switched to.
System has certain fault diagnosis functions, the reason of being broken down when a failure occurs with simple analysis, and
Display analysis result.
Using the opened loop control mistake for the urea liquid the amount of injection that marine diesel SCR control system of the present invention is realized
Journey is as follows：
1) value of urea injecting quantity in a manual mode, is constantly manually adjusted according to the load signal of engine, until
SCR reactor outlet nitrous oxides concentration reaches requirement, determines 0%, 25%, 50%, 75%, 100% respectively, 110% load
Required urea amount.
2) urea amount needed for each load point is input in the MAP that PLC controller is finished in advance.
3) under TierIII mode, PLC reads engine load signal, according to load-urea amount MAP curve, by urea
The amount of injection, which is converted to 4-20mA signal and exports, gives urea metering units, and control urea metering pump speed makes its export corresponding urea
Amount.
The above are presently preferred embodiments of the present invention, for persons skilled in the art, without departing substantially from of the invention former
Any obvious equivalent or equivalent modifications under the premise of reason and spirit to made by it, should all be contemplated as falling with this
Within invention scope of protection of the claims.
Claims (5)
1. a kind of marine diesel SCR control system, it is characterised in that：Include：
Function of initializing module, the parameter of required system initialization before storage system starting, executes once in system electrification,
Designated value is set by the parameter value wherein stored；
Major cycle functional module, including on-site control module, centralized-control module, alarm failure processing module and shutdown processing
Module, wherein：
The on-site control module is realized by machine manually controls exhaust gas inlet valve and by-passing valve, manually controls the injection of urea
Amount, including manually controls submodule, and it includes valve control module and urea injecting quantity control module that this, which manually controls submodule, described
Valve control module control exhaust gas inlet valve and by-passing valve reach corresponding aperture, the urea injecting quantity control module control metering
Pump sprays corresponding urea amount；
The centralized-control module is realized in central station of floating dock manually with the switching of automatic control, and the injection of urea, including hand are controlled
Dynamic control module and automatic control module, instruction that the manual control module processing man-machine interface was sent open/close and
Valve opening instruction, and specified aperture is reached by valve control module control exhaust gas inlet valve and by-passing valve, it is described automatic
Control module includes TierII module, prepares TierIII module and TierIII module, and the TierII resume module comes from people
The request instruction at machine interface makes the state for showing that equipment reaches TierII requirement, and controls exhaust gas by the valve control module
Inlet valve and by-passing valve reach specified aperture, and the preparation request instruction of the TierIII resume module from man-machine interface makes
Relevant device, which reaches, prepares the state that TierIII is required, and controls exhaust gas inlet valve and by-passing valve by the valve control module
Reach specified aperture, the request instruction of the TierIII resume module from man-machine interface reaches relevant device
The state that TierIII is required, including urea open loop the amount of injection submodule and urea injecting quantity submodule read urea open loop injection
The calculated urea injecting quantity of quantum module institute, urea injecting quantity submodule read load-urea according to current hosts load and spray
The amount of penetrating curve determines the current desired urea amount wanted；
The alarm failure processing module is set as the numerical value for being more than alarm limit the flag bit of corresponding upper and lower bound, to height
The upper limit or the analog quantity lower than lower limit are alarmed out；
The shutdown processing module executes halt instruction after analog quantity is beyond alarm limit, makes the exhaust gas inlet valve and by-passing valve
Reach home and stops urea injection；
Cycle interruption functional module, including analog quantity processing module and host computer monitored picture mobilism module, wherein：
The sampled value obtained by digital filtering is transformed to the engineering value of commercial weight guiding principle by the analog quantity processing module, and stores change
Data after changing；
The host computer monitored picture mobilism module realizes the Dynamically Announce of monitored picture under different mode.
2. marine diesel SCR control system according to claim 1, it is characterised in that：Described manually controls submodule
Block handles the operational order from touch screen, and valve opening instruction is sent to the valve control module, by urea injecting quantity
Instruction is sent to the urea injecting quantity control module.
3. marine diesel SCR control system according to claim 1, it is characterised in that：The TierIII module packet
Urea open loop the amount of injection submodule and urea injecting quantity submodule are included, the urea injecting quantity submodule is according to current hosts load
It reads load-urea injecting quantity curve and determines the current desired urea amount wanted, the urea open loop the amount of injection submodule calculates
Urea injecting quantity signal out.
4. marine diesel SCR control system according to claim 1, it is characterised in that：The alarm failure processing
Module uses sound-light alarm mode, flashes when generating failure Times warning lamp, buzzer rings；After pressing alarm response button,
Alarm lamp is always on, and buzzer is closed；Alarm lamp extinguishes after Failure elimination.
5. marine diesel SCR control system according to claim 1, it is characterised in that：The SCR control system is adopted
Use Siemens S7-300 PLC as controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611240540.2A CN106640293B (en) | 2016-12-29 | 2016-12-29 | A kind of marine diesel SCR control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611240540.2A CN106640293B (en) | 2016-12-29 | 2016-12-29 | A kind of marine diesel SCR control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640293A CN106640293A (en) | 2017-05-10 |
| CN106640293B true CN106640293B (en) | 2018-11-16 |
Family
ID=58835291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611240540.2A Active CN106640293B (en) | 2016-12-29 | 2016-12-29 | A kind of marine diesel SCR control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106640293B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108415265B (en) * | 2018-01-26 | 2021-04-30 | 青岛双瑞海洋环境工程股份有限公司 | Ship exhaust gas denitration function analog simulation system |
| CN108170090A (en) * | 2018-03-13 | 2018-06-15 | 中国船舶电站设备有限公司 | A kind of SCR state monitoring devices |
| CN108888882B (en) * | 2018-05-23 | 2020-05-08 | 武汉船用机械有限责任公司 | Diesel engine driving propeller control system and control method thereof |
| CN109459967A (en) * | 2018-12-27 | 2019-03-12 | 凯龙高科技股份有限公司 | A kind of SCR safe control system peculiar to vessel |
| US11268414B2 (en) | 2019-12-03 | 2022-03-08 | Faurecia Emissions Control Technologies, Usa, Llc | Exhaust aftertreatment component with bypass valve |
| CN111794837B (en) * | 2020-07-06 | 2021-05-14 | 无锡沃尔福汽车技术有限公司 | Urea injection control system |
| CN112610310B (en) * | 2020-11-30 | 2023-04-11 | 沪东重机有限公司 | Large-scale marine diesel engine discharges aftertreatment system and simulation platform thereof |
| CN115045739B (en) * | 2022-05-16 | 2024-02-20 | 潍柴动力股份有限公司 | Emission control method, emission control device and emission control system of marine diesel engine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004257323A (en) * | 2003-02-26 | 2004-09-16 | Toyota Motor Corp | Exhaust system control system of internal combustion engine |
| CN102953791A (en) * | 2011-08-17 | 2013-03-06 | 通用汽车环球科技运作有限责任公司 | Passive SCR control system and method |
| JP2013108473A (en) * | 2011-11-24 | 2013-06-06 | Suzuki Motor Corp | Exhaust emission control device of internal combustion engine |
| CN104405484A (en) * | 2014-10-24 | 2015-03-11 | 上汽依维柯红岩商用车有限公司 | Relatively independent selective catalytic reduction system |
| CN104912636A (en) * | 2015-05-22 | 2015-09-16 | 中国汽车技术研究中心 | Diesel engine aftertreatment SCR control device and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8409534B2 (en) * | 2007-03-28 | 2013-04-02 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Control of emissions |
-
2016
- 2016-12-29 CN CN201611240540.2A patent/CN106640293B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004257323A (en) * | 2003-02-26 | 2004-09-16 | Toyota Motor Corp | Exhaust system control system of internal combustion engine |
| CN102953791A (en) * | 2011-08-17 | 2013-03-06 | 通用汽车环球科技运作有限责任公司 | Passive SCR control system and method |
| JP2013108473A (en) * | 2011-11-24 | 2013-06-06 | Suzuki Motor Corp | Exhaust emission control device of internal combustion engine |
| CN104405484A (en) * | 2014-10-24 | 2015-03-11 | 上汽依维柯红岩商用车有限公司 | Relatively independent selective catalytic reduction system |
| CN104912636A (en) * | 2015-05-22 | 2015-09-16 | 中国汽车技术研究中心 | Diesel engine aftertreatment SCR control device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106640293A (en) | 2017-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106640293B (en) | A kind of marine diesel SCR control system | |
| CN107035521B (en) | A kind of LNG/ Diesel Dual-Fuel Engine safety monitoring system peculiar to vessel | |
| CN111838108A (en) | Injection type online real-time medicine mixing control device and control method | |
| CN103816633A (en) | Intelligent proportionally-mixing system for foam | |
| CN109521746A (en) | A kind of plug-in intelligence control system of DCS based on fault-tolerant design and method | |
| CN201383104Y (en) | Digital multi-functional special-purpose fire water supply device controller | |
| CN101702084A (en) | High-temperature and high-pressure water circulation control system and control method thereof | |
| CN108415265B (en) | Ship exhaust gas denitration function analog simulation system | |
| CN204024774U (en) | A kind of SCR waste gas row controlled based on PLC subtracts device | |
| CN106563315A (en) | Control cabinet for cloth-bag dedusting blowing based on matrix and diode elements | |
| CN102359638A (en) | Valve electric device for field bus and wireless control | |
| CN2793790Y (en) | Intelligent and proportiona electrohydrualic controlling mechanism | |
| CN217340636U (en) | Chemistry presses down dirt system with intelligent control | |
| CN213365316U (en) | Equipment for monitoring ship exhaust cooling device | |
| CN214372621U (en) | Industrial filter control system based on Internet of things | |
| CN210261168U (en) | Potassium permanganate adding device controlled by PLC | |
| CN210832435U (en) | Remote centralized control system for purifying air conditioning unit | |
| CN209118129U (en) | A kind of plug-in intelligence control system of DCS based on fault-tolerant design | |
| CN205178649U (en) | GIS distribution device monitored control system based on thing networking theftproof | |
| CN102562557A (en) | Method for monitoring vacuum pump of photovoltaic equipment and system for realizing method | |
| Yin et al. | Design of ship exhaust gas desulfurization control system based on S7-1500 PLC | |
| CN209510683U (en) | A kind of fan energy-saving control system | |
| CN203695235U (en) | Automatic control device of centrifugal dehydrator | |
| CN203829905U (en) | Novel automatic denitration system for cement kiln | |
| CN202257213U (en) | Valve electric device suitable for bus and wireless control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181129 Address after: Room 408, No. 1, 600 Xinyuan South Road, Lingang New Town, Pudong New Area, Shanghai, 2003 Patentee after: CSSC POWER RESEARCH INSTITUTE CO., LTD. Address before: 200129 346 Pudong Avenue, Pudong New Area, Shanghai, 2851 Patentee before: Hudong Heavy Mechine Co., Ltd. |