CN208431048U - A kind of Diesel Engine Exhaust Purification instrument - Google Patents
A kind of Diesel Engine Exhaust Purification instrument Download PDFInfo
- Publication number
- CN208431048U CN208431048U CN201820702634.5U CN201820702634U CN208431048U CN 208431048 U CN208431048 U CN 208431048U CN 201820702634 U CN201820702634 U CN 201820702634U CN 208431048 U CN208431048 U CN 208431048U
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- CN
- China
- Prior art keywords
- unit
- wind
- micro particle
- particle catching
- driven generator
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- 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.)
- Expired - Fee Related
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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
- 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
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
-
- 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
- Exhaust Gas After Treatment (AREA)
Abstract
The utility model discloses a kind of Diesel Engine Exhaust Purification instrument, including tail gas mixing duct, micro particle catching unit, selective catalysis conversion unit, diesel oil oxidation catalyst unit, muffling unit and car running computer, disagreement two branch pipe in tail gas mixing duct rear end is simultaneously connected with micro particle catching unit, wind-driven generator is respectively arranged on two manifold of micro particle catching unit front end, the wind-driven generator is fixed on two manifold upper ends by air door, the air door is the tubular air inlet pipe that front end is provided with air throttle valve, the air throttle valve passes through the folding angle that the step motor control air throttle valve of air door upper end is arranged in, micro particle catching unit outer ring is provided with the electric heating silk connecting with electric heating wind-driven generator；The wind-driven generator of the utility model uses wind-power auxiliary generation, does not use vehicle-mounted power supply, reduces oil consumption, and the particle being deposited in filter device by the heating removal of electric heating silk can be such that filter regeneration cycle uses, improve the purification efficiency of particulate matter.
Description
Technical field
The utility model diesel engine vent gas processing equipment technical field, specifically a kind of Diesel Engine Exhaust Purification instrument.
Background technique
Diesel technology obtains qualitative leap with the improvement of technology, and modern diesel engine is different from traditional diesel oil
Machine, it is more environmentally-friendly, energy saving, economical and practical, and the oil consumption of diesel engine compares the low 30%-40% of gasoline engine, and vapour is also compared in exhaust gas discharge
Oil machine is low, and the discharge of especially CO and HC just correspond to 1/5 to 1/10, PM of same displacement gasoline engine and nitride is diesel oil
Machine major pollutants discharged.
In the prior art, temperature when just starting due to wintry weather factor or diesel engine is too low, caused by diesel engine
Exhaust gas oxidation catalyst is insufficient, sharply increases the discharge of nitrogen oxides and particulate matter, air pollution is caused to aggravate.
Utility model content
The purpose of this utility model is to provide a kind of Diesel Engine Exhaust Purification instrument, realize that one kind can be in low temperature, to bavin
Oil machine tail gas carries out high-efficient purification processing.
To achieve the above object, the utility model provides the following technical solutions:
A kind of Diesel Engine Exhaust Purification instrument, including the conversion of tail gas mixing duct, micro particle catching unit, selective catalysis are single
Member, diesel oil oxidation catalyst unit, muffling unit and car running computer, two branch pipe of tail gas mixing duct rear end disagreement are simultaneously connected with
Micro particle catching unit is respectively arranged with wind-driven generator, the wind-driven generator on two manifold of micro particle catching unit front end
Two manifold upper ends are fixed on by air door, the air door is the tubular air inlet pipe that front end is provided with air throttle valve, the air
Air throttle passes through the folding angle that the step motor control air throttle valve of air door upper end is arranged in, outside the micro particle catching unit
Circle is provided with the electric heating silk connecting with electric heating wind-driven generator, and the stepper motor and car running computer are electrically connected, the particle
Two manifold of capture unit rear end merges to form general pipeline, and selective catalysis conversion unit, the selectivity are provided on the general pipeline
Catalytic conversion unit is connected to by control valve with general pipeline, and selective catalysis conversion unit rear is provided with diesel oil oxidation catalysis
Unit, diesel oil oxidation catalyst unit rear are provided with muffling unit.
Preferably, the micro particle catching unit is specially the micro particle catching that ceramic fiber winded is formed in porous metals cylinder
Device is coated with particulate oxide catalyst on the porous metals cylinder of the micro particle catching unit.
Preferably, it is provided with temperature sensor on the pipeline between the control valve and diesel oil oxidation catalyst unit, it is described
Temperature sensor and car running computer are electrically connected and set optimum temperature as 350 DEG C ± 50 DEG C.
Preferably, the diesel oil oxidation catalyst unit is specially the honeycomb pottery for being coated with oxidative catalyst of protective pad package
Porcelain, the ceramic honey comb front end are provided with deflector, and the protective pad is specially flexible ceramic cotton pad, wire pads, glass fibers
At least one of vinylon and cotton blend.
Compared with prior art, the utility model has the beneficial effects that
(1), the wind-driven generator of the utility model uses wind-power auxiliary generation, does not use vehicle-mounted power supply, reduces oil consumption, leads to
The particle that the heating removal of electric heating silk is deposited in filter device is crossed, filter regeneration cycle can be made to use, improve particulate matter
Purification efficiency；
(2), the auxiliary heating tail gas of the utility model improves the efficiency of oxidation catalyst, the chosen property of the tail gas being heated
The Ammonia substance of catalytic conversion unit injection is under the action of diesel oil oxidation catalyst unit, through being coated with the honeycomb of oxidative catalyst
Ceramic surface nitrogen oxides reduction improves the conversion ratio of nitrogen at nitrogen, effectively reduces the discharge of nitrogen oxides.
(3), the temperature after the reaction of temperature sensor real-time detection, and stepper motor is controlled by car running computer, and then control
The folding angle of air throttle valve in air door front end tubular air inlet pipe processed, to allow moving air selectively to enter wind-driven generator
It carries out electricity to turn heat and pass through electric heating silk or stop heating, the heating of micro particle catching unit or electric heating silk carries out micro particle catching unit
Auxiliary diffusion heat dissipation improves reaction temperature or reduces reaction temperature to protect the service life of diesel oil oxidation catalyst unit.
Detailed description of the invention
Fig. 1 is the schematic perspective view of the utility model；
Fig. 2 is the principles of the present invention figure；
Fig. 3 is the diesel oil oxidation catalyst unit schematic diagram of internal structure of the utility model.
In figure: 1- tail gas mixing duct；2- micro particle catching unit；3- selective catalysis conversion unit；4- diesel oil oxidation is urged
Change unit；5- muffling unit；6- car running computer；7- wind-driven generator；8- air door；9- air throttle valve；10- stepper motor；
11- electric heating silk；12- temperature sensor.
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.
Please refer to Fig. 1, Fig. 2 and Fig. 3, in the utility model embodiment one, a kind of Diesel Engine Exhaust Purification instrument, including tail gas
Mixing duct 1, micro particle catching unit 2, selective catalysis conversion unit 3, diesel oil oxidation catalyst unit 4, muffling unit 5 and driving
Computer 6,1 rear end disagreement of tail gas mixing duct, two branch pipe are simultaneously connected with micro particle catching unit 2, and 2 front end of micro particle catching unit is not tally
Wind-driven generator 7 is respectively arranged on pipe, wind-driven generator 7 is fixed on two manifold upper ends by air door 8, and air door 8 sets for front end
It is equipped with the tubular air inlet pipe of air throttle valve 9, air throttle valve 9 controls sky by the way that the stepper motor 10 of 8 upper end of air door is arranged in
The folding angle of throttle valve 9,2 outer ring of micro particle catching unit are provided with the electric heating silk 11 connecting with electric heating wind-driven generator 7,
Stepper motor 10 and car running computer 6 are electrically connected, and 2 rear end of micro particle catching unit, two manifold merges to form general pipeline, be arranged on general pipeline
Selective catalytic conversion unit 3, selective catalysis conversion unit 3 are connected to by control valve with general pipeline, selective catalysis conversion
3 rear of unit is provided with diesel oil oxidation catalyst unit 4, and 4 rear of diesel oil oxidation catalyst unit is provided with muffling unit 5.
Micro particle catching unit 2 is specially the particle trapper that ceramic fiber winded is formed in porous metals cylinder, micro particle catching
Particulate oxide catalyst is coated on the porous metals cylinder of unit 2.
Fig. 1 and Fig. 2 are please referred to, is provided with temperature sensor on the pipeline between control valve and diesel oil oxidation catalyst unit 4
12, temperature sensor 12 and car running computer 6 are electrically connected and set optimum temperature as 350 DEG C ± 50 DEG C.
Referring to Fig. 3, diesel oil oxidation catalyst unit 4 is specially the honeycomb pottery for being coated with oxidative catalyst of protective pad package
Porcelain, ceramic honey comb front end are provided with deflector, and protective pad is specially flexible ceramic cotton pad, wire pads, in glass fibre cotton
It is at least one.
Working principle of the utility model is: diesel exhaust be discharged through tail gas mixing duct 1 connect through not tally pipeline it is micro-
The filter assemblies that ceramic fibre and porous metals cylinder in grain capture unit 2 are formed are through particle diffusion, filter hole interception and particle
Exhaust gas is forced through ceramic fibre and flowed into metal cylinder by collision comprehensive function, and the particle in diesel exhaust is made to rest on fiber
Centre, the particle being deposited in filter device by the heating removal of electric heating silk 11, can be such that filter regeneration cycle uses；
The Ammonia substance that the chosen property catalytic conversion unit 3 of the tail gas being heated is sprayed is in diesel oil oxidation catalyst unit 4
Under the water conservancy diversion of deflector, the ceramic honey comb surface reduction nitrogen oxides of oxidative catalyst is uniformly coated with into nitrogen, simultaneously will
A small amount of hydrocarbons and Oxidation of Carbon Monoxide are at harmless carbon dioxide and water；
For temperature after the detection reaction of temperature sensor 12 when temperature is lower than 300 DEG C, car running computer 6 controls stepper motor
10, so control 8 front end tubular air inlet pipe of air door in air throttle valve 9 open greater angle, with allow moving air largely into
Enter wind-driven generator 7 to carry out electricity turn heat and heat by 11 pairs of micro particle catching units 2 of electric heating silk, improves reaction temperature, work as temperature
When higher than 400 DEG C, car running computer 6 controls stepper motor 10, and then controls the air throttled in 8 front end tubular air inlet pipe of air door
Door 9 completely closes, and block flow air enters wind-driven generator 7 and stops electricity turn heat and by 11 pairs of micro particle catching lists of electric heating silk
Member 2 carries out auxiliary diffusion heat dissipation, reduces reaction temperature to protect the service life of diesel oil oxidation catalyst unit 4.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (4)
1. a kind of Diesel Engine Exhaust Purification instrument, including tail gas mixing duct, micro particle catching unit, selective catalysis conversion unit,
Diesel oil oxidation catalyst unit, muffling unit and car running computer, it is characterised in that: two branch pipe of tail gas mixing duct rear end disagreement
And it is connected with micro particle catching unit, wind-driven generator, the wind are respectively arranged on two manifold of micro particle catching unit front end
Power generator is fixed on two manifold upper ends by air door, and the air door is the tubular air inlet pipe that front end is provided with air throttle valve,
The air throttle valve passes through the folding angle that the step motor control air throttle valve of air door upper end is arranged in, and the particle is caught
Collection unit outer ring is provided with the electric heating silk connecting with electric heating wind-driven generator, and the stepper motor and car running computer are electrically connected,
Two manifold of micro particle catching unit rear end merges to form general pipeline, and selective catalysis conversion unit, institute are provided on the general pipeline
It states selective catalysis conversion unit to be connected to by control valve with general pipeline, selective catalysis conversion unit rear is provided with diesel oil
Oxidation catalysis unit, diesel oil oxidation catalyst unit rear are provided with muffling unit.
2. a kind of Diesel Engine Exhaust Purification instrument according to claim 1, it is characterised in that: the micro particle catching unit is specific
For the particle trapper that ceramic fiber winded is formed in porous metals cylinder, coating on the porous metals cylinder of the micro particle catching unit
There is particulate oxide catalyst.
3. a kind of Diesel Engine Exhaust Purification instrument according to claim 1, it is characterised in that: the control valve and diesel oil oxidation
Temperature sensor is provided on pipeline between catalyst unit, the temperature sensor and car running computer are electrically connected and set most
Good temperature is 350 DEG C ± 50 DEG C.
4. a kind of Diesel Engine Exhaust Purification instrument according to claim 1, it is characterised in that: the diesel oil oxidation catalyst unit
Specially the ceramic honey comb for being coated with oxidative catalyst of protective pad package, the ceramic honey comb front end are provided with deflector, institute
Stating protective pad is specially at least one of flexible ceramic cotton pad, wire pads, glass fibre cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820702634.5U CN208431048U (en) | 2018-05-11 | 2018-05-11 | A kind of Diesel Engine Exhaust Purification instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820702634.5U CN208431048U (en) | 2018-05-11 | 2018-05-11 | A kind of Diesel Engine Exhaust Purification instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208431048U true CN208431048U (en) | 2019-01-25 |
Family
ID=65103132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820702634.5U Expired - Fee Related CN208431048U (en) | 2018-05-11 | 2018-05-11 | A kind of Diesel Engine Exhaust Purification instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208431048U (en) |
-
2018
- 2018-05-11 CN CN201820702634.5U patent/CN208431048U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190125 Termination date: 20210511 |