CN108397268A - A kind of exhaust initiative regeneration control system - Google Patents
A kind of exhaust initiative regeneration control system Download PDFInfo
- Publication number
- CN108397268A CN108397268A CN201810157467.5A CN201810157467A CN108397268A CN 108397268 A CN108397268 A CN 108397268A CN 201810157467 A CN201810157467 A CN 201810157467A CN 108397268 A CN108397268 A CN 108397268A
- Authority
- CN
- China
- Prior art keywords
- exhaust
- initiative regeneration
- oil pump
- mounting hole
- control system
- 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
- 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
- F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/023—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/025—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust
- F01N3/0253—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters using means for regenerating the filters, e.g. by burning trapped particles using fuel burner or by adding fuel to exhaust adding fuel to exhaust gases
-
- 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
- F01N2260/00—Exhaust treating devices having provisions not otherwise provided for
- F01N2260/06—Exhaust treating devices having provisions not otherwise provided for for improving exhaust evacuation or circulation, or reducing back-pressure
-
- 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
Abstract
The invention discloses a kind of exhaust initiative regeneration control systems, including fuel system connected in sequence, fuel injection system and exhaust system, the fuel injection system includes initiative regeneration oil pump and injection line, the initiative regeneration oil pump is connected to the oil pump for engine of the fuel system, the outlet of described injection line one end and the initiative regeneration oil pump, the other end are connected to the heel row tracheae of the exhaust system；The present invention in exhaust pipe backward by spraying fuel oil, fuel oil is set to generate high temperature under the oxidation of oxidation catalytic converter, to which the carbon particle for making grain catcher trap is burnt at high temperature, compared with prior art, the present invention can effectively reduce the exhaust back pressure of the carbon particle content and grain catcher in grain catcher, the content of the carbon particle in exhaust back pressure and tail gas to reduce whole gas extraction system.
Description
Technical field
The present invention relates to vehicle maintenance service technical field, especially a kind of exhaust initiative regeneration control system.
Background technology
With the continuous upgrading of emission regulation, within the five short years, emission regulation was marched toward state from state in three stages
Six stages, the requirement to exhaust emissions are also increasingly stringenter, and lead to the continuous upgrading of vehicle exhaust after treatment system.
In order to make the tail gas of discharge reach six laws and regulations requirement of state, needs to increase in exhaust after treatment system and denitrogenate oxygen
The device of compound and particulate matter.And it is the spout part fuel oil in gas exhaust piping to be vented initiative regeneration control system, utilizes fuel oil
The energy of oxidized catalytic converter oxidation release reduces containing for particulate matter in tail gas by soot particulate matter oxidizing fire, to reach
Amount.
However existing exhaust system and fuel system are independently operated two systems, exhaust system and fuel system it
Between it is connectionless, therefore fuel oil cannot be introduced into and carry out initiative regeneration in exhaust system, be caught to reduce particle in exhaust system
The carbon particle content of storage trapping, causes carbon distribution in grain catcher more, causes the exhaust back pressure of whole gas extraction system larger.
Invention content
The object of the present invention is to provide a kind of exhaust initiative regeneration control systems, to solve in tail gas in the prior art
The larger problem of the exhaust back pressure of whole gas extraction system caused by grain object content is higher, the present invention in exhaust pipe backward by spraying
Fuel oil can reduce the exhaust back pressure of the carbon particle content and grain catcher in grain catcher, to reduce entire exhaust
The exhaust back pressure of system.
To achieve the goals above, the present invention provides the following technical solutions：
A kind of exhaust initiative regeneration control system, including fuel system connected in sequence, fuel injection system and exhaust system
System, the fuel injection system include initiative regeneration oil pump and injection line, the initiative regeneration oil pump and the fuel system
Oil pump for engine connection, the outlet of described injection line one end and the initiative regeneration oil pump, the other end and the row
The heel row tracheae of gas system is connected to.
Preferably, the gas burning system further includes oil inlet pipe, oil outlet pipe and diesel fuel filter, the diesel fuel filter
Between the oil inlet pipe and the oil pump for engine, the oil outlet pipe is set to the oil pump for engine and the active
Between regeneration oil pump.
Preferably, the exhaust system further includes air compressor, exhaust turbine and front exhaust pipe connected in sequence, institute
Front exhaust pipe is stated to be connected to the heel row tracheae.
Preferably, the exhaust system further includes exhaust auxiliary brake, and the exhaust auxiliary brake is before described
Between exhaust pipe and the heel row tracheae.
Preferably, further include first support and second support, the first support is set on the side of the initiative regeneration oil pump
Face, the lower section of the first support are equipped with the first mounting hole, and the second support is set to the top of the heel row tracheae, and described the
The top of two holders is equipped with the second mounting hole, and the injection line passes through band and first mounting hole and second installation
Hole connects.
Preferably, the injection line and flywheel shell of engine between first mounting hole and second mounting hole
Connection.
Preferably, the fixing lug boss below the transmitter bell housing is equipped with third mounting hole and the 4th mounting hole, described
Injection line is connect by the band with the third mounting hole and the 4th mounting hole.
Preferably, the injection line is equipped with atomizer close to the end of the heel row tracheae.
Preferably, heat sink is equipped between the atomizer and the heel row tracheae.
Preferably, further include pressure sensor and controller, the pressure sensor is for detecting the heel row tracheae
Pressure value simultaneously sends a signal to the controller, and the controller beats on or off according to what the signal controlled the atomizer
It closes.
The beneficial effects of the present invention are：
The present invention provides a kind of exhaust initiative regeneration control systems, including fuel system connected in sequence, fuel oil to spray
System and exhaust system, the fuel injection system include initiative regeneration oil pump and injection line, the initiative regeneration oil pump with
The oil pump for engine of the fuel system is connected to, the outlet of described injection line one end and the initiative regeneration oil pump, separately
One end is connected to the heel row tracheae of the exhaust system；The present invention makes fuel oil aoxidize by spraying fuel oil in exhaust pipe backward
High temperature is generated under the oxidation of catalytic converter, it is and existing to which the carbon particle for making grain catcher trap is burnt at high temperature
There is technology to compare, the present invention can effectively reduce the exhaust back pressure of carbon particle content and grain catcher in grain catcher,
The content of the carbon particle in exhaust back pressure and tail gas to reduce whole gas extraction system.
Description of the drawings
Fig. 1 is the overall structure diagram of the exhaust initiative regeneration control system of the embodiment of the present invention；
Fig. 2 is the First partial structural schematic diagram of the exhaust initiative regeneration control system of the embodiment of the present invention；
Fig. 3 is the second partial structural diagram of the exhaust initiative regeneration control system of the embodiment of the present invention；.
Reference sign：
1- initiative regeneration oil pumps, 2- injection lines, 3- oil pump for engine, 4- heel row tracheaes, 5- oil inlet pipes, 6- flowlines
Road, 7- diesel fuel filters, 8- air compressors, 9- exhaust turbines, 10- front exhaust pipes, 11- are vented auxiliary brake, 12- the
One holder, 13- second supports, 14- fixing lug boss, 15- atomizers, 16- heat sinks.
Specific implementation mode
The embodiments described below with reference to the accompanying drawings are exemplary, is only used for explaining the present invention, and cannot be construed to
Limitation of the present invention.
As shown in Figure 1, the embodiment of the present invention provides a kind of exhaust initiative regeneration control system, including fuel oil connected in sequence
System, fuel injection system and exhaust system, the fuel injection system include initiative regeneration oil pump 1 and injection line 2, described
Initiative regeneration oil pump 1 is connected to the oil pump for engine 3 of the fuel system, 2 one end of the injection line and the initiative regeneration
The outlet of oil pump 1, the other end are connected to the heel row tracheae 4 of the exhaust system.
The present invention application method be：Initiative regeneration oil pump 1 can be via injection line 2 by the small part of fuel system
Fuel oil imports in exhaust system, which mixes with the tail gas of exhaust system, is released via the oxidation of oxidation catalytic converter
Thermal discharge, to which the carbon particle for making grain catcher trap is burnt at high temperature, to reduce the carbon particle in grain catcher
The exhaust back pressure of content and grain catcher, and then the exhaust back pressure of whole gas extraction system is reduced, while effectively reducing discharge tail
The content of carbon particle in gas.
Further, the gas burning system further includes oil inlet pipe 5, oil outlet pipe 6 and diesel fuel filter 7, the diesel oil
Filter 7 is set between the oil inlet pipe 5 and the oil pump for engine 3, and the oil outlet pipe 6 is set to the oil pump for engine
Between 3 and the initiative regeneration oil pump 1.The fuel oil for entering oil pump for engine 3 can be filtered by diesel fuel filter 7,
Ensure the quality via initiative regeneration oil pump 1 and the fuel oil of injection line 2, prevents impurity from blocking injection line 2 and reducing
The performance of initiative regeneration oil pump 1 and service life.
Specifically, the exhaust system further includes air compressor 8, exhaust turbine 9 and front exhaust pipe connected in sequence
10, the front exhaust pipe 10 is connected to the heel row tracheae 4.Exhaust gas may be implemented by air compressor 8 and exhaust turbine 9
Efficient discharge.
In order to be recycled to tail gas, the utilization rate of energy is improved, the exhaust system further includes exhaust auxiliary system
Dynamic device 11, the exhaust auxiliary brake 11 are set between the front exhaust pipe 10 and the heel row tracheae 4.It is vented auxiliary braking
Device 11 mainly plays the pressure value for increasing tail gas, and the effect braked using it.Be vented auxiliary brake 11 preferably with it is preceding
Exhaust pipe 10 and heel row tracheae 4 are integrally formed, to avoid the risk of the clip gas leakage of exhaust auxiliary brake 11.
As shown in Fig. 2, in order to which injection line 2 is fixed, prevent injection line 2 from interfering other automobiles zero under vibration
Component, the embodiment of the present invention further preferably include first support 12 and second support 13, and the first support 12 is L-shaped structure, institute
The side that first support 12 is set to the initiative regeneration oil pump 1 is stated, the lower section of the first support 12 is equipped with the first mounting hole, institute
It is zigzag configuration to state second support 13, and the second support 13 is set to the top of the heel row tracheae 4, the second support 13
Top is equipped with the second mounting hole, and the injection line 2 is connect by band with first mounting hole and second mounting hole.
Further, the injection line 2 and engine between first mounting hole and second mounting hole
Bell housing connects.Since injection line 2 is longer, by the way that injection line 2 to be fixed on transmitter ontology, its stabilization can be enhanced
Property, prevent injection line 2 from being swung under automobile vibration effect, the damage under the colliding with Surrounding Parts.
Specifically, the fixing lug boss 14 below the transmitter bell housing is equipped with third mounting hole and the 4th mounting hole, institute
Injection line 2 is stated to connect with the third mounting hole and the 4th mounting hole by the band.Third mounting hole and the 4th
Mounting hole is preferably parallel to each other, to enable injection line 2 keep straight.Third mounting hole and the 4th mounting hole are preferably provided at fixation
The lower section of boss 14.As shown in Fig. 2, the trend of the injection line 2 is substantially U-shaped.
In order to make fuel oil and the tail gas in exhaust system fully, uniformly mix, the injection line 2 is close to described
The end of heel row tracheae 4 is equipped with atomizer 15.
On the basis of above structure, heat sink 16 is equipped between the atomizer 15 and the heel row tracheae 4.Due to
The temperature of tail gas in exhaust system is generally higher, by the way that heat sink 16 is arranged, can effectively prevent in exhaust system
High-temperature tail gas scorches atomizer 15, improves the service life of atomizer 15, ensures the working performance of atomizer 15.As shown in figure 3, in order to
The installation and fixation for facilitating atomizer 15 and heat sink 16 and heel row tracheae 4, bottom is additionally provided on the tube wall of heel row tracheae 4
Seat, atomizer 15 and heat sink 16 are connect by pedestal with heel row tracheae 4, and pedestal is preferably cavity type structure, atomizer
15 and heat sink 16 be arranged in the cavity type structure, and heat sink 16 be arranged in atomizer 15 and heel row tracheae 4
Between, to play the effect to cool.
In order to more intelligent and efficiently spray fuel oil into exhaust system, the embodiment of the present invention further preferably includes that pressure passes
Sensor and controller, the pressure sensor are used to detect the pressure value of the heel row tracheae 4 and send a signal to the control
Device, the controller control opening or the closing of the atomizer 15 according to the signal.After pressure sensor detects
When pressure value in exhaust pipe 4 is higher, the i.e. controllable atomizer 15 of controller is opened and sprays fuel oil in exhaust pipe 4 backward, with
The pressure for reducing exhaust system, when pressure reduction is to zone of reasonableness, the i.e. controllable atomizer 15 of controller is closed, and is stopped backward
Fuel oil is sprayed in exhaust pipe 4.
The structure, feature and effect of the present invention, the above institute are described in detail based on the embodiments shown in the drawings
Only presently preferred embodiments of the present invention is stated, but the present invention is not to limit practical range, every structure according to the present invention shown in drawing
Change made by thinking, or is revised as the equivalent embodiment of equivalent variations, when not going beyond the spirit of the description and the drawings,
It should all be within the scope of the present invention.
Claims (10)
1. a kind of exhaust initiative regeneration control system, which is characterized in that including fuel system connected in sequence, fuel injection system
And exhaust system, the fuel injection system include initiative regeneration oil pump (1) and injection line (2), the initiative regeneration oil pump
(1) it is connected to the oil pump for engine of the fuel system (3), described injection line (2) one end and the initiative regeneration oil pump (1)
Outlet, the other end is connected to the heel row tracheae (4) of the exhaust system.
2. exhaust initiative regeneration control system according to claim 1, which is characterized in that the gas burning system further include into
Oil pipe line (5), oil outlet pipe (6) and diesel fuel filter (7), the diesel fuel filter (7) are set to the oil inlet pipe (5) and institute
Between stating oil pump for engine (3), the oil outlet pipe (6) is set to the oil pump for engine (3) and the initiative regeneration oil pump (1)
Between.
3. exhaust initiative regeneration control system according to claim 1, which is characterized in that the exhaust system further includes suitable
Air compressor (8), exhaust turbine (9) and the front exhaust pipe (10) of secondary connection, the front exhaust pipe (10) and the heel row
Tracheae (4) is connected to.
4. exhaust initiative regeneration control system according to claim 3, which is characterized in that the exhaust system further includes row
Gas auxiliary brake (11), the exhaust auxiliary brake (11) are set to the front exhaust pipe (10) and the heel row tracheae (4)
Between.
5. exhaust initiative regeneration control system according to claim 1, which is characterized in that further include first support (12) and
Second support (13), the first support (12) are set to the side of the initiative regeneration oil pump (1), the first support (12)
Lower section is equipped with the first mounting hole, and the second support (13) is set to the top of the heel row tracheae (4), the second support (13)
Top be equipped with the second mounting hole, the injection line (2) passes through band and first mounting hole and second mounting hole
Connection.
6. exhaust initiative regeneration control system according to claim 1, which is characterized in that first mounting hole with it is described
The injection line (2) between second mounting hole is connect with flywheel shell of engine.
7. exhaust initiative regeneration control system according to claim 6, which is characterized in that below the transmitter bell housing
Fixing lug boss (14) be equipped with third mounting hole and the 4th mounting hole, the injection line (2) passes through the band and described the
Three mounting holes are connected with the 4th mounting hole.
8. being vented initiative regeneration control system according to claim 1-7 any one of them, which is characterized in that the injection line
(2) it is equipped with atomizer (15) close to the end of the heel row tracheae (4).
9. exhaust initiative regeneration control system according to claim 8, which is characterized in that the atomizer (15) with it is described
Heat sink (16) is equipped between heel row tracheae (4).
10. exhaust initiative regeneration control system according to claim 8, which is characterized in that further include pressure sensor and
Controller, the pressure sensor are used to detect the pressure value of the heel row tracheae (4) and send a signal to the controller, institute
State opening or closing that controller controls the atomizer (15) according to the signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810157467.5A CN108397268A (en) | 2018-02-24 | 2018-02-24 | A kind of exhaust initiative regeneration control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810157467.5A CN108397268A (en) | 2018-02-24 | 2018-02-24 | A kind of exhaust initiative regeneration control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108397268A true CN108397268A (en) | 2018-08-14 |
Family
ID=63096715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810157467.5A Pending CN108397268A (en) | 2018-02-24 | 2018-02-24 | A kind of exhaust initiative regeneration control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108397268A (en) |
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Application publication date: 20180814 |