CN209621441U - A kind of trapping of Fractions of Diesel Engine Exhaust Particulates and active regeneration system - Google Patents
A kind of trapping of Fractions of Diesel Engine Exhaust Particulates and active regeneration system Download PDFInfo
- Publication number
- CN209621441U CN209621441U CN201822073565.9U CN201822073565U CN209621441U CN 209621441 U CN209621441 U CN 209621441U CN 201822073565 U CN201822073565 U CN 201822073565U CN 209621441 U CN209621441 U CN 209621441U
- Authority
- CN
- China
- Prior art keywords
- diesel engine
- active regeneration
- diesel
- fractions
- oil pump
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
The utility model discloses a kind of trapping of Fractions of Diesel Engine Exhaust Particulates and active regeneration systems, to handle the tail gas of diesel engine of vehicle generation, equipped with diesel oil pump assembly, one granule capturing and active regeneration device, it is connected to diesel oil pump assembly, the granule capturing and active regeneration device are successively arranged input terminal, catalytic oxidizer, grain catcher and output end, and the diesel oil in diesel engine injects input terminal formation gas after diesel oil pump assembly, gas exports after catalytic oxidizer and grain catcher.The system also has good reducing effect for carbon monoxide and hydrocarbon.DOC catalytic cleaner in tail gas CO and HC have very strong catalysis oxidation ability, even if in lower exhaust temperature, DOC also can reach 50% or so to the detergent power of CO and HC, and when exhaust temperature is more than 240 DEG C, DOC can remove the whole CO and HC more than 80% in tail gas.It does not need disassembly DPF grain catcher to be regenerated, saves a large amount of manpower and material resources, improve the operational efficiency of equipment.
Description
Technical field
The utility model relates to diesel engine vent gas purified treatment field, specially a kind of Fractions of Diesel Engine Exhaust Particulates trapping and master
Dynamic regenerative system.
Background technique
Particulate matter trap is widely used on a diesel engine at present, however particulate matter trap regeneration techniques are also immature.
Domestic and international researcher has done many significant work in the regeneration method research of particulate matter trap, some methods are real
Vehicular applications are showed, but there is presently no generally acknowledged mature regeneration method occur.Researcher proposes very from multiple angles before
A variety of regeneration methods, but all there is certain deficiency.For example, FBC fuel additive regenerates, particle in diesel engine vent gas is reduced
The ignition point of object, the regeneration method for making it burn at a lower temperature, but accurately add FBC and have high requirements to fuel oil,
Buying FBC fuel additive, also channel is seldom.Heating regeneration techniques is using the methods of electric heating, microwave heating, infrared heating
Increase the temperature of trap or particulate matter to reach the regeneration method of the ignition point of particulate matter, this method is generally to vehicular electricity storage
The service life and higher cost more demanding, that trap may be reduced in pond；Reverse jet regenerating method is using height
The method that particulate matter in trap is blown off simultaneously concentrated combustion by pressure inverted draft, the advantages of this method is the sulphur for not limiting diesel oil
Content, and the non-combustible ingredient in DPF grain catcher can also be removed when regeneration, but this method higher cost, equipment occupy
Space is larger, regeneration is not thorough.And it is now domestic generally use passive regeneration mode, passive regeneration area on the engine
Carbon needs to dismantle DPF grain catcher and carries out heating furnace regeneration, delays the operation of equipment, expend a large amount of manpower and material resources.
Utility model content
Disassembly DPF grain catcher is not needed the purpose of this utility model is to provide one kind to be regenerated and can effectively drop
The Fractions of Diesel Engine Exhaust Particulates trapping for the carbon monoxide and hydrocarbon that low diesel engine generates and active regeneration system, with solution
Certainly the problems mentioned above in the background art.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solutions: a kind of Fractions of Diesel Engine Exhaust Particulates is caught
Collection and active regeneration system are equipped with diesel oil pump assembly, it is characterised in that: one to handle the tail gas of diesel engine of vehicle generation
Grain trapping and active regeneration device, are connected to diesel oil pump assembly, and the granule capturing and active regeneration device are successively arranged input
It holds, catalytic oxidizer, grain catcher and output end, the diesel oil in diesel engine injects input terminal after diesel oil pump assembly and forms gas
Body, gas export after catalytic oxidizer and grain catcher.
Further, the input terminal of the granule capturing and active regeneration device be equipped with measuring jet, the measuring jet with
The diesel oil pump assembly passes through diesel oil pipeline connection.
Further, the pipeline between the measuring jet and diesel oil pump assembly is equipped with diesel-oil filter element.
Further, granule capturing and active regeneration device are equipped with differential pressure pickup, between detection input and output end
Pressure difference.
Further, it is equipped with exhaust temperature sensor, is respectively arranged between input terminal, catalytic oxidizer and grain catcher and defeated
Outlet.
Further, the diesel oil pump assembly is equipped with controller, and controller is connect with differential pressure pickup and exhaust temperature sensor.
Further, controller is connect with the generator in diesel engine, to acquire the tach signal of the generator.
Further, inlet sensor module is electrically connected with the controller after cold in one, and be installed on it is cold in diesel engine after air inlet pipe.
Compared with prior art, the utility model beneficial effect achieved is:
1. the trapping of the utility model Fractions of Diesel Engine Exhaust Particulates and active regeneration system are big for engine soot generation supplementary set efficiency
In 95%, also there is good reducing effect for carbon monoxide and hydrocarbon.DOC catalytic cleaner in tail gas CO and
HC has very strong catalysis oxidation ability, even if DOC also can reach the detergent power of CO and HC in lower exhaust temperature
50% or so, when exhaust temperature is more than 240 DEG C, DOC can remove the whole CO and HC more than 80% in tail gas.
2. not needing disassembly DPF grain catcher to be regenerated, a large amount of manpower and material resources are saved, improve the operation effect of equipment
Rate.
3. the system controller can control each component and complete grain catcher regeneration, simple and reliable, the reproduction time is short, entirely certainly
Dynamic operation, does not need human intervention, is conducive to extend equipment life, of less demanding to diesel quality.
4. relevant device and control system are relatively easy, occupy little space, is easily installed.When controller need to only judge regeneration
Machine, oil spout opportunity and according to start revolving speed adjust oil spout flow.Regeneration method fuel economy is good, is suitable for all diesel engines.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the trapping of the utility model Fractions of Diesel Engine Exhaust Particulates and active regeneration system
Wherein, 1- granule capturing and active regeneration device, 2- input terminal, 3- catalytic oxidizer, 4- grain catcher, 5- are defeated
Outlet, 6- exhaust temperature sensor, 7- differential pressure pickup, 9- diesel oil pump assembly, 10- diesel-oil filter element, 11- automotive oil tank, 12- power generation
Cold rear inlet sensor module, 14- controller, 15- measuring jet in machine, 13-.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1, the utility model provides a kind of trapping of Fractions of Diesel Engine Exhaust Particulates and active regeneration system, system master
It to include diesel oil pump assembly 9, granule capturing and active regeneration device 1, multiple sensors and controller 14, to handle automobile bavin
The tail gas that oil machine generates.
Referring to Fig. 1, granule capturing is generally cylindrical with active regeneration device, it is equipped with leads to for what diesel oil flowed among it
Road.The grain catcher is successively arranged input terminal 2, catalytic oxidizer 3, grain catcher 4 and output end 5.Wherein, described defeated
Enter end and be equipped with an inclined measuring jet 15, diesel oil injects input terminal and forms gas, and measuring jet can acquire the phase of diesel oil injection
Close data.Catalytic oxidizer catalysis oxidation diesel oil promotes motor exhaust temperature to 600-700 DEG C, reaches granule capturing
The ignition point of particulate matter in device, the burning particulate matter in grain catcher achieve the effect that grain catcher regeneration reduces back pressure.
In addition, the grain catcher is equipped with multiple exhaust temperature sensors 6, it is located at input terminal, catalytic oxidizer and grain catcher
Between and output end, to collect these positions tail gas arrange temperature.
Further, the pipeline between the measuring jet and diesel oil pump assembly be equipped with diesel-oil filter element 10, with extend injection pump,
The service life of diesel fuel nozzle 15.
Referring to Fig. 1, the sensor of this system setting further comprises having cold rear air inlet sensing in one except exhaust temperature sensor 6
Device 13, differential pressure pickup 7.Wherein, inlet sensor module is loaded in the air inlet pipe after cold in diesel engine after cold in described one, to survey
In examination it is cold after intake air temperature and pressure；Differential pressure pickup one end connection input terminal, one end connect the output end, to
Acquire the pressure parameter in input terminal and output end.
Referring to Fig. 1, the controller is installed on signal of the diesel oil pump assembly to acquire each sensor, the control
Device and inlet sensor module, differential pressure pickup, multiple exhaust temperature sensors, generator 12, measuring jet by electric wiring connect with
Acquire generator pulse signal, in it is cold after intake air temperature and pressure parameter, exhaust back pressure, delivery temperature in exhaust pipe,
The parameters such as catalyst temperature, distributive value.
Referring to Fig. 1, being chemically reacted as follows when tail gas enters DOC catalytic oxidizer:
NO oxidation generates NO2:
2NO+O2--→2NO2,
HC oxidation generates CO2And H2O:
4HC+3O2--→2CO2+2H2O,
CO oxidation reaction generates CO2:
2CO+O2--→2CO2。
When tail gas enters DPF grain catcher, chemically react as follows:
CSOOT+NO2--→CO+NO(250-450℃)、CSOOT+O2-- → 2CO (550 DEG C of >).
When the system works, the input terminal that is injected into after diesel oil pump assembly of automotive oil tank 11 forms gas, gas warp
It is exported after crossing DOC catalytic oxidizer and DPF grain catcher.In the DPF grain catcher after-treatment system course of work, control
Device processed by the pulse signal of acquisition generator, in it is cold after intake air temperature and pressure parameter, exhaust back pressure, row in exhaust pipe
The parameters such as temperature degree, catalyst temperature judge whether that needing to enter DPF grain catcher regenerates.If DPF grain catcher needs
To enter regeneration, by distributive value needed for calculating current time, be converted into ejection pulse signal, control diesel pump and nozzle is dynamic
Make.Diesel oil is sprayed before DOC catalytic oxidizer, improves motor exhaust temperature by DOC catalytic oxidizer catalysis oxidation diesel oil
Reach 600-700 DEG C, reach the ignition point of particulate matter in DPF grain catcher, particulate matter fires in DPF grain catcher
It burns, achievees the effect that the regeneration of DPF grain catcher reduces back pressure.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of Fractions of Diesel Engine Exhaust Particulates trapping and active regeneration system are equipped with to handle the tail gas of diesel engine of vehicle generation
Diesel oil pump assembly a, it is characterised in that: granule capturing and active regeneration device are connected to diesel oil pump assembly, the granule capturing
Input terminal is successively arranged with active regeneration device, and catalytic oxidizer, grain catcher and output end, the diesel oil in diesel engine is through bavin
Input terminal formation gas is injected after oil pump assy, gas exports after catalytic oxidizer and grain catcher.
2. a kind of Fractions of Diesel Engine Exhaust Particulates trapping according to claim 1 and active regeneration system, it is characterised in that: described
The input terminal of granule capturing and active regeneration device is equipped with measuring jet, and the measuring jet and the diesel oil pump assembly pass through bavin
Oil pipe line connection.
3. a kind of Fractions of Diesel Engine Exhaust Particulates trapping according to claim 2 and active regeneration system, it is characterised in that: described
Pipeline between measuring jet and diesel oil pump assembly is equipped with diesel-oil filter element.
4. a kind of Fractions of Diesel Engine Exhaust Particulates trapping according to claim 1 and active regeneration system, it is characterised in that: particle
Trapping is equipped with differential pressure pickup with active regeneration device, to the pressure difference between detection input and output end.
5. a kind of Fractions of Diesel Engine Exhaust Particulates trapping according to claim 4 and active regeneration system, it is characterised in that: be equipped with
Exhaust temperature sensor, is respectively arranged between input terminal, catalytic oxidizer and grain catcher and output end.
6. a kind of Fractions of Diesel Engine Exhaust Particulates trapping according to claim 5 and active regeneration system, it is characterised in that: described
Diesel oil pump assembly is equipped with controller, and controller is connect with differential pressure pickup and exhaust temperature sensor.
7. a kind of Fractions of Diesel Engine Exhaust Particulates trapping according to claim 6 and active regeneration system, it is characterised in that: control
Device is connect with the generator in diesel engine, to acquire the tach signal of the generator.
8. a kind of Fractions of Diesel Engine Exhaust Particulates trapping according to claim 7 and active regeneration system, it is characterised in that: in one
It is cold after inlet sensor module be electrically connected with the controller, and be installed on it is cold in diesel engine after air inlet pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822073565.9U CN209621441U (en) | 2018-12-11 | 2018-12-11 | A kind of trapping of Fractions of Diesel Engine Exhaust Particulates and active regeneration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822073565.9U CN209621441U (en) | 2018-12-11 | 2018-12-11 | A kind of trapping of Fractions of Diesel Engine Exhaust Particulates and active regeneration system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209621441U true CN209621441U (en) | 2019-11-12 |
Family
ID=68445421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822073565.9U Active CN209621441U (en) | 2018-12-11 | 2018-12-11 | A kind of trapping of Fractions of Diesel Engine Exhaust Particulates and active regeneration system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209621441U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250792A (en) * | 2021-04-22 | 2021-08-13 | 南京朗森自动化设备有限公司 | Combustion purification method with DPF regeneration function |
| CN113250788A (en) * | 2021-04-22 | 2021-08-13 | 南京朗森自动化设备有限公司 | Tail gas dual-drop treatment system for in-use vehicle |
| CN113294226A (en) * | 2021-06-30 | 2021-08-24 | 同济大学 | Particle catcher based on ultrasonic wave removes particulate matter |
| CN113294224A (en) * | 2021-04-22 | 2021-08-24 | 南京朗森自动化设备有限公司 | Tail gas double-reduction treatment method for on-vehicle |
| CN114832624A (en) * | 2022-04-22 | 2022-08-02 | 山东交通学院 | Tail gas purification method and system for diesel vehicle emission inspection mechanism |
| CN115030799A (en) * | 2022-07-07 | 2022-09-09 | 中国煤炭科工集团太原研究院有限公司 | Intelligent efficient composite regenerated particle trapping device in low exhaust temperature environment for mine |
-
2018
- 2018-12-11 CN CN201822073565.9U patent/CN209621441U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113250792A (en) * | 2021-04-22 | 2021-08-13 | 南京朗森自动化设备有限公司 | Combustion purification method with DPF regeneration function |
| CN113250788A (en) * | 2021-04-22 | 2021-08-13 | 南京朗森自动化设备有限公司 | Tail gas dual-drop treatment system for in-use vehicle |
| CN113294224A (en) * | 2021-04-22 | 2021-08-24 | 南京朗森自动化设备有限公司 | Tail gas double-reduction treatment method for on-vehicle |
| CN113294226A (en) * | 2021-06-30 | 2021-08-24 | 同济大学 | Particle catcher based on ultrasonic wave removes particulate matter |
| CN113294226B (en) * | 2021-06-30 | 2022-06-03 | 同济大学 | Particle catcher based on ultrasonic wave removes particulate matter |
| CN114832624A (en) * | 2022-04-22 | 2022-08-02 | 山东交通学院 | Tail gas purification method and system for diesel vehicle emission inspection mechanism |
| CN115030799A (en) * | 2022-07-07 | 2022-09-09 | 中国煤炭科工集团太原研究院有限公司 | Intelligent efficient composite regenerated particle trapping device in low exhaust temperature environment for mine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209621441U (en) | A kind of trapping of Fractions of Diesel Engine Exhaust Particulates and active regeneration system | |
| CN107747505B (en) | System for regenerating DPF (diesel particulate filter) alternately by utilizing engine exhaust and control method | |
| CN205618226U (en) | Metal particles trap active regeneration system | |
| CN204327283U (en) | A kind of vehicular engine | |
| CN102678238B (en) | Engine emission control system and control method | |
| CN105402007A (en) | Box type post processing assembly for diesel vehicle | |
| CN103883380B (en) | The control method of engine exhaust temperature and system | |
| CN105556082A (en) | Diagnostic device | |
| CN204457948U (en) | Exhaust aftertreatment assembly device | |
| CN103097683B (en) | Method for warming after-treatment burner system | |
| CN104847455B (en) | Gasoline engine particulate filter regenerative system and regeneration method | |
| CN203285519U (en) | Novel purification system for aftertreatment of automobile exhaust | |
| CN102191974A (en) | Compressor bypass to exhaust for particulate trap regeneration | |
| CN105927326B (en) | Automatic regeneration device and regeneration method for DPF of marine diesel engine | |
| CN203925695U (en) | The control system of engine exhaust temperature | |
| CN113250792A (en) | Combustion purification method with DPF regeneration function | |
| KR101231132B1 (en) | Exhaust Gas Reducing Device for Vehicles with Burner to Improve Purification Performance | |
| CN204677261U (en) | A kind of new automobile Diesel particulate catalytic filter system | |
| CN201027560Y (en) | Diesel engine vent gas particle trapping and regenerating system | |
| CN111365095A (en) | Electric heating particle catcher post-processing system for diesel engine | |
| CN209687583U (en) | A kind of automobile exhaust gas processing apparatus | |
| CN103806994A (en) | Intelligent exhaust temperature increasing system of supercharged diesel engine | |
| CN205190008U (en) | Internal -combustion engine tail -gas clean -up after treatment system's guide heating device , add heat drop particulate matter device and add heat drop nitrogen oxide device | |
| CN201206486Y (en) | Postprocessing system of diesel engine | |
| CN210195849U (en) | DPF electric heating active regeneration device for tractor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |