CN108223204A - A kind of boat diesel engine gas recirculation system - Google Patents
A kind of boat diesel engine gas recirculation system Download PDFInfo
- Publication number
- CN108223204A CN108223204A CN201711454953.5A CN201711454953A CN108223204A CN 108223204 A CN108223204 A CN 108223204A CN 201711454953 A CN201711454953 A CN 201711454953A CN 108223204 A CN108223204 A CN 108223204A
- Authority
- CN
- China
- Prior art keywords
- diesel engine
- electromagnetic valve
- venturi tube
- egr
- exhaust main
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
- F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0002—Controlling intake air
- F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0047—Controlling exhaust gas recirculation [EGR]
- F02D41/0065—Specific aspects of external EGR control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/09—Constructional details, e.g. structural combinations of EGR systems and supercharger systems; Arrangement of the EGR and supercharger systems with respect to the engine
- F02M26/10—Constructional details, e.g. structural combinations of EGR systems and supercharger systems; Arrangement of the EGR and supercharger systems with respect to the engine having means to increase the pressure difference between the exhaust and intake system, e.g. venturis, variable geometry turbines, check valves using pressure pulsations or throttles in the air intake or exhaust system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/35—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with means for cleaning or treating the recirculated gases, e.g. catalysts, condensate traps, particle filters or heaters
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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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Supercharger (AREA)
Abstract
The invention discloses a kind of boat diesel engine gas recirculation systems, including diesel engine, exhaust main, inlet manifold, Venturi tube, EGR electromagnetic valve circuits and non-EGR electromagnetic valve circuits, the exhaust main is connected to the exhaust pipe of diesel engine, inlet manifold is connected to the air inlet pipe of diesel engine, and the inlet manifold is connected with Venturi tube；The exhaust main is connect respectively by EGR electromagnetic valve circuits and non-EGR electromagnetic valve circuits with Venturi tube；The non-EGR electromagnetic valve circuits include sequentially connected turbocharger, the first condenser and the first deduster, and the turbocharger is connect with exhaust main, and the first deduster is connect with Venturi tube；The EGR electromagnetic valve circuits include sequentially connected first regulating valve, the second condenser, the second deduster, air blower and the second regulating valve, and first regulating valve is connect with exhaust main, and the second regulating valve is connect with Venturi tube.
Description
Technical field
The present invention relates to a kind of exhaust gas circulating device more particularly to a kind of boat diesel engine gas recirculation systems.
Background technology
With the deterioration of global environment and the reinforcement of people's environmental consciousness, the relevant laws and regulations of oil pollution from vessels are increasingly harsh,
The requirement for controlling 1 noxious gas emission of diesel engine is strong.Wherein, the environmental pollution based on the pollutant emission of boat diesel engine
Particularly noticeable, the control that world maritime tissue pollutes ship active force, that is, diesel engine 1 is also increasingly stringenter.Diesel engine 1
And its energy develops to environmentally protective direction and has become a kind of inevitable trend.
Invention content
The purpose of the present invention is to solve shortcoming in the prior art, and a kind of boat diesel engine exhaust gas proposed
Recirculating system.
To achieve these goals, present invention employs following technical solutions：A kind of boat diesel engine exhaust gas of the present invention
Recirculating system, including diesel engine, exhaust main, inlet manifold, Venturi tube, EGR electromagnetic valve circuits and non-EGR solenoid valves electricity
Road, the exhaust main are connected to the exhaust pipe of diesel engine, and inlet manifold is connected to the air inlet pipe of diesel engine, the inlet manifold
It is connected with Venturi tube；The exhaust main is connected respectively by EGR electromagnetic valve circuits and non-EGR electromagnetic valve circuits with Venturi tube
It connects；The non-EGR electromagnetic valve circuits include sequentially connected turbocharger, the first condenser and the first deduster, the whirlpool
Wheel booster is connect with exhaust main, and the first deduster is connect with Venturi tube；The EGR electromagnetic valve circuits include being sequentially connected
The first regulating valve, the second condenser, the second deduster, air blower and the second regulating valve, first regulating valve and exhaust are total
Pipe connects, and the second regulating valve is connect with Venturi tube；The turbocharger includes the turbine and compressor that are connected with each other, described
Turbine is connect with exhaust main, and compressor is connect with the first condenser；The compressor is connected with diesel fuel filter；The diesel oil
The outside of machine is connected with remote controllers；The remote controllers respectively with the first regulating valve, the second condenser, the second dedusting
Device, air blower and the second regulating valve are connected, be provided in the remote controllers for send data signals of serial first
Control unit is provided with data signals of serial for receiving the first control unit output on the diesel engine and to the number
It is believed that number carry out the wifi intelligent sockets of processing output function control data, first control unit and wifi intelligent sockets
It is attached by data signals of serial.
In above-mentioned boat diesel engine gas recirculation system, the diesel fuel filter is rotary diesel fuel filter.
It is cold in being equipped among the compressor and diesel fuel filter in above-mentioned boat diesel engine gas recirculation system
Device.
Compared with prior art, the beneficial effects of the invention are as follows：
（1）It is the configuration of the present invention is simple, novel, there is a set of operating mode respectively in non-emission control area and emission control area,
Generation and the discharge capacity of Diesel NOx can effectively be reduced.Wifi intelligent sockets not only can be energy saving, can timing, remote control, can measure
Electricity anti-lightning strike can also carry out smart mobile phone remote control.User can be attached by wireless wifi network, intelligent hand
Machine or tablet are downloaded corresponding APP softwares and are installed, then using cell phone application it is achieved that whenever and wherever possible, even
You carry out the on off state of remote control wifi intelligent sockets in foreign countries, so as to control the state of each electric appliance in natatorium, such as temperature
Degree, liquid level, opening and closing etc..
（2）Suitable air inlet restriction is generated using Venturi tube, forms pressure differential；What the throttle effect of Venturi tube generated
Exhaust gas is sucked exhaust inlet pipe by low pressure；The exhaust outlet connection inlet manifold of the Venturi tube, flow through venturi uniformly mix
EGR gas, air inlet gaseous mixture afterwards flows into each cylinder by each inlet manifold, can realize in whole power brackets,
Gas is not in refluence phenomenon in whole condition ranges, can realize preferable ER EGR Rate, can be effectively reduced
The discharge of NOx.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
In figure：1 diesel engine, 2 exhaust mains, 3 inlet manifolds, 4 Venturi tubes, 5 turbines, 6 compressors, 7 first condensers, 8
One deduster, 9 first regulating valves, 10 second condensers, 11 second dedusters, 12 air blowers, 13 second regulating valves, 14 diesel fuel filters
Clear device.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.
As shown in Figure 1, the present invention a kind of boat diesel engine gas recirculation system, including diesel engine 1, exhaust main 2,
Inlet manifold 3, Venturi tube 4, EGR electromagnetic valve circuits and non-EGR electromagnetic valve circuits, the exhaust main 2 are connected to diesel engine 1
Exhaust pipe, inlet manifold 3 is connected to the air inlet pipe of diesel engine 1, and the inlet manifold 3 is connected with Venturi tube 4；The exhaust
Manifold 2 is connect respectively by EGR electromagnetic valve circuits and non-EGR electromagnetic valve circuits with Venturi tube 4；The non-EGR solenoid valves electricity
Road includes sequentially connected turbocharger, the first condenser 7 and the first deduster 8, the turbocharger and exhaust main 2
Connection, the first deduster 8 are connect with Venturi tube 4.The EGR electromagnetic valve circuits include sequentially connected first regulating valve 9, the
Two condensers 10, the second deduster 11,12 and second regulating valve 13 of air blower, first regulating valve 9 connect with exhaust main 2
It connects, the second regulating valve 13 is connect with Venturi tube 4；The outside of the diesel engine is connected with remote controllers；The long-range control
Device processed is connected respectively with the first regulating valve 9, the second condenser 10, the second deduster 11,12 and second regulating valve 13 of air blower,
The first control unit for sending data signals of serial is provided in the remote controllers, is set on the diesel engine useful
Carry out in the data signals of serial for receiving the first control unit output and to the data-signal processing output function control
The wifi intelligent sockets of data, first control unit and wifi intelligent sockets are attached by data signals of serial.
The turbocharger includes the turbine 5 being connected with each other and compressor 6, the turbine 5 are connect with exhaust main 2,
Compressor 6 is connect with the first condenser 7.
When ship is run in non-emission control area, diesel engine 1 operates in non-EGR mode, i.e., first in EGR electromagnetic valve circuits
9 and second regulating valve 13 of regulating valve is closed, and EGR electromagnetic valve circuits do not put into operation；The exhaust gas of diesel engine 1 is total by being vented at this time
Pipe 2 is all passed through turbine 5, the expansion work in turbine 54, and driving compressor 6 works, and compressor 6 compresses fresh air, compression
Air cools down by the first condenser 7, into the first deduster 8, removes steam contained therein, then by Venturi tube 4 into
Enter diesel engine 1, participate in burning.
When ship is run in emission control area, diesel engine 1 operates in EGR mode, i.e., first is adjusted in EGR electromagnetic valve circuits
9 and second regulating valve 13 of valve is opened, and EGR electromagnetic valve circuits put into operation；Most of exhaust gas of diesel engine 1 is still passed through turbine at this time
5；Remaining exhaust gas flows into EGR electromagnetic valve circuits by the first regulating valve 9, and exhaust gas temperature is reduced, then by the through the second condenser 10
Two dedusters 11 eliminate the water droplet in exhaust gas, are pressurizeed by air blower 12, through the second regulating valve 13 into Venturi tube 4, and and
It is mixed by the compression fresh air that non-EGR electromagnetic valve circuits come, gaseous mixture enters boat diesel engine by Venturi tube 4 and participates in combustion
It burns, reduces generation and the discharge capacity of Diesel NOx.
The compressor 6 is connected with diesel fuel filter 14, the outlet connection compressor 6 of the diesel fuel filter 14；It is described
Diesel fuel filter 14 is rotary diesel fuel filter.
Charge air cooler is equipped among the compressor 6 and diesel fuel filter 14.
In the use of the present invention, generating suitable air inlet restriction using Venturi tube 4, pressure differential is formed；Venturi tube 4
Exhaust gas is sucked exhaust inlet pipe by the low pressure that throttle effect generates；The exhaust outlet connection inlet manifold 3 of the Venturi tube 4, warp
Uniformly mixed EGR gas, air inlet gaseous mixture flow into each cylinder to Venturi tube 4 by each inlet manifold 3, can be with
It realizes in whole power brackets, gas is not in refluence phenomenon in whole condition ranges, can realize that preferable exhaust gas follows again
Ring rate can effectively reduce the discharge of NOx.
Although 1 diesel engine is used more herein, 2 exhaust mains, 3 inlet manifolds, 4 Venturi tubes, 5 turbines, 6 calms the anger
Machine, 7 first condensers, 8 first dedusters, 9 first regulating valves, 10 second condensers, 11 second dedusters, 12 air blowers, 13
The terms such as the second regulating valve, 14 diesel fuel filters, but it does not preclude the possibility of using other terms.Using these terms only
It is the essence in order to more easily describe and explain the present invention；Being construed as any one of the additional limitations is all and this hair
What bright spirit was disagreed.
Claims (3)
1. a kind of boat diesel engine gas recirculation system, including diesel engine（1）, exhaust main（2）, inlet manifold（3）, literary mound
In manage（4）, EGR electromagnetic valve circuits and non-EGR electromagnetic valve circuits, which is characterized in that the exhaust main（2）It is connected to diesel engine
（1）Exhaust pipe, inlet manifold（3）It is connected to diesel engine（1）Air inlet pipe, the inlet manifold（3）It is connected with Venturi tube
（4）；The exhaust main（2）Pass through EGR electromagnetic valve circuits and non-EGR electromagnetic valve circuits and Venturi tube respectively（4）Connection；Institute
It states non-EGR electromagnetic valve circuits and includes sequentially connected turbocharger, the first condenser（7）With the first deduster（8）, the whirlpool
Take turns booster and exhaust main（2）Connection, the first deduster（8）With Venturi tube（4）Connection；The EGR electromagnetic valve circuits packet
Include sequentially connected first regulating valve（9）, the second condenser（10）, the second deduster（11）, air blower（12）It is adjusted with second
Valve（13）, first regulating valve（9）With exhaust main（2）Connection, the second regulating valve（13）With Venturi tube（4）Connection；Institute
It states turbocharger and includes the turbine being connected with each other（5）And compressor（6）, the turbine（5）With exhaust main（2）Connection, pressure
Mechanism of qi（6）With the first condenser（7）Connection；The compressor（6）It is connected with diesel fuel filter（14）；The outside of the diesel engine
It is connected with remote controllers；The remote controllers respectively with the first regulating valve（9）, the second condenser（10）, the second dedusting
Device（11）, air blower（12）With the second regulating valve（13）It is connected, is provided with to send serial ports number in the remote controllers
It is believed that number the first control unit, the serial data for receiving the first control unit output is provided on the diesel engine
Signal simultaneously to the data-signal carry out processing output function control data wifi intelligent sockets, first control unit and
Wifi intelligent sockets are attached by data signals of serial.
2. boat diesel engine gas recirculation system according to claim 1, which is characterized in that the diesel fuel filter
（14）For rotary diesel fuel filter.
3. boat diesel engine gas recirculation system according to claim 1, which is characterized in that the compressor（6）With
Diesel fuel filter（14）Centre is equipped with charge air cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711454953.5A CN108223204A (en) | 2017-12-28 | 2017-12-28 | A kind of boat diesel engine gas recirculation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711454953.5A CN108223204A (en) | 2017-12-28 | 2017-12-28 | A kind of boat diesel engine gas recirculation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108223204A true CN108223204A (en) | 2018-06-29 |
Family
ID=62649294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711454953.5A Pending CN108223204A (en) | 2017-12-28 | 2017-12-28 | A kind of boat diesel engine gas recirculation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108223204A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202628240U (en) * | 2012-06-20 | 2012-12-26 | 浙江省计量科学研究院 | Vehicle tail gas emission remote real-time monitoring system |
| US20130125997A1 (en) * | 2011-11-18 | 2013-05-23 | Ford Global Technologies, Llc | Methods for an exhaust fluid level sensor |
| CN105839952A (en) * | 2016-06-13 | 2016-08-10 | 江苏海事职业技术学院 | Heat recovery low energy consumption constant-temperature swimming pool |
| CN206694152U (en) * | 2017-05-02 | 2017-12-01 | 江苏海事职业技术学院 | A kind of boat diesel engine gas recirculation system |
-
2017
- 2017-12-28 CN CN201711454953.5A patent/CN108223204A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130125997A1 (en) * | 2011-11-18 | 2013-05-23 | Ford Global Technologies, Llc | Methods for an exhaust fluid level sensor |
| CN202628240U (en) * | 2012-06-20 | 2012-12-26 | 浙江省计量科学研究院 | Vehicle tail gas emission remote real-time monitoring system |
| CN105839952A (en) * | 2016-06-13 | 2016-08-10 | 江苏海事职业技术学院 | Heat recovery low energy consumption constant-temperature swimming pool |
| CN206694152U (en) * | 2017-05-02 | 2017-12-01 | 江苏海事职业技术学院 | A kind of boat diesel engine gas recirculation system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180629 |