CN107218109A - Drip irrigation type reducing catalyst blast pipe - Google Patents
Drip irrigation type reducing catalyst blast pipe Download PDFInfo
- Publication number
- CN107218109A CN107218109A CN201610163929.5A CN201610163929A CN107218109A CN 107218109 A CN107218109 A CN 107218109A CN 201610163929 A CN201610163929 A CN 201610163929A CN 107218109 A CN107218109 A CN 107218109A
- Authority
- CN
- China
- Prior art keywords
- blast pipe
- hole
- wall
- filter core
- drip irrigation
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
- F01N13/082—Other arrangements or adaptations of exhaust conduits of tailpipe, e.g. with means for mixing air with exhaust for exhaust cooling, dilution or evacuation
-
- 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
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/24—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust characterised by constructional aspects of converting apparatus
- F01N3/28—Construction of catalytic reactors
- F01N3/2803—Construction of catalytic reactors characterised by structure, by material or by manufacturing of catalyst support
- F01N3/2825—Ceramics
Abstract
A kind of drip irrigation type reducing catalyst blast pipe, be a blast pipe tube wall be provided with several first holes, and be axially arranged several through type ceramic elements from exhaust gas entrance toward waste gas outlet in blast pipe, or closest to setting a wall-flow type filter core at waste gas outlet；One is set to connect a container and the mozzle provided with several second holes outside blast pipe, the hole of grade second is to that should wait the first hole, whether the urea water being contained in by solenoid valve control in the container enters the ceramic wool absorption that through type ceramic element and wall-flow type filter core external diameter are covered by blast pipe by and via the hole of grade second and the first hole drip irrigation, and then penetrate into as catalyst this etc. through type ceramic element and wall-flow type filter core hole in, poisonous fume such as nitrogen oxides (NOx) of discharge etc. is set to be subject to decomposition-reduction into nitrogen and moisture by through type ceramic element and during wall-flow type filter core by urea or ammonia, to reduce the pollution to environment.
Description
Technical field
The present invention relates to a kind of catalytic converting device for the blast pipe for being exclusively used in diesel motor, especially
A kind of device that effectively can be fully cleaned up the waste gas that diesel motor is discharged.
Background technology
Diesel oil carbon particulate cleaner (diesel particulate filter, be abbreviated as DPF)
Effect is that the waste gas of diesel vehicle burning is collected for catching and carbon particulate is filtered.When the carbon of trapping is micro-
When more than grain to a certain degree, the ECU driving computers of vehicle can carry out " filter regeneration " running,
Carbon particulate in cleaner is burnt into carbon dioxide discharge, filtering function is maintained with polishing filter.
The waste gas of diesel vehicle discharge includes what is polluted the environment in addition to containing carbon particulate, also
Nitrogen oxides (NOx), thus it is existing on be to be catalyzed reductor (selective catalytic
Reduction, SCR) handle nitrogen oxides, the system of the catalysis reductor be by urea via
Urea cylinder located at automobile injects burned waste gas, by red-hot exhaust gas conversion ammonification
(Ammonia, NH3), and ammonia produces chemistry also with the nitrogen oxides (NOx) in catalysis reductor
Original work are used, so as to be converted into not influenceing the nitrogen (Nitrogen) and water of natural environment.Due to foregoing
Conversion reduction diesel oil and urea ratio be usually 20: 1 (often use 20 parts of diesel oil,
Just 1 part of urea is needed), cause the consumption of urea very quick, it is necessary to which often addition could be maintained just
Often running, is bothered, and extremely expend money very much using upper.
The content of the invention
Technical problem underlying to be solved by this invention is, overcomes the above-mentioned of prior art presence to lack
Fall into, and a kind of drip irrigation type reducing catalyst blast pipe is provided, solve existing diesel motor purified treatment dress
Put, because the consumption of urea is very quick, it is necessary to which often addition could be maintained in the use of normal operation
Trouble is spent with pecuniary.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of drip irrigation type reducing catalyst blast pipe, it is characterised in that the tube wall of a blast pipe is provided with number
Individual first hole, and be axially arranged in blast pipe from exhaust gas entrance toward waste gas outlet
Several through type ceramic elements, or closest to setting a wall-flow type filter core at waste gas outlet；Exhaust
Pipe is outer to set one to connect a container and the mozzle provided with several second holes, the hole pair of grade second
The first hole should be waited, by solenoid valve control be contained in urea water in the container whether by and
Enter via the hole of grade second and the first hole drip irrigation in blast pipe and be covered by through type ceramic filtering
The ceramic wool of core and wall-flow type filter core external diameter absorbs, so penetrate into as catalyst this etc. through type make pottery
Porcelain filter core is with the hole of wall-flow type filter core, making poisonous fume such as nitrogen oxides (NOx) of discharge etc. can
Decomposition-reduction is subject into nitrogen by urea or ammonia when by through type ceramic element and wall-flow type filter core
With moisture, to reduce the pollution to environment.
The technological means of the present invention includes：One blast pipe, includes the two ends positioned at axial direction and phase
An intercommunicated exhaust gas entrance and a waste gas outlet, the tube wall of the blast pipe is provided with several first holes；
Several through type ceramic elements, its external diameter is coated with ceramic wool, and it is in the blast pipe along the row
The axial direction of tracheae is arranged from the exhaust gas entrance toward the waste gas outlet；One wall-flow type filter core, configuration
In the position in the blast pipe closest to the waste gas outlet；One mozzle, provided with several second holes,
The mozzle makes the hole of grade second to that should wait the first hole on the outside of the tube wall of the blast pipe,
The mozzle is connected to the container of a splendid attire urea water, and in the electricity of position setting one of the mozzle
Urea water in magnet valve, the solenoid valve control container whether by and via the hole of grade second with
First hole is absorbed by the ceramic wool, and then penetrates into the through type such as this ceramic element and wall-flow type filter core
Hole in.
The embodiment of another selection, the present invention can replace the wall stream with another through type ceramic element
Formula filter core.
Preferably, the present invention is located at the through type ceramic elements such as this in blast pipe and wall-flow type filter core
Compartment of terrain is configured.
In an implementation aspect, the present invention is the power supply that magnetic valve is electrically connected with to a vehicle, works as car
Start the magnetic valve while startup power supply, the magnetic valve is closed while vehicle closes power supply.
Preferably, the present invention along blast pipe the axially arranged hole of grade first and be arranged in always
Line, and along the mozzle the axially arranged hole of grade second and arrange in line.
The advantage of the invention is that：The blast pipe of the present invention is installed on after vehicle, vehicle is in traveling
When the carbon particle remained in waste gas can be fired automatically using the CC Catalytic Converter of vehicle is installed in advance
Burning-outization, then make waste gas by each through type ceramic element with wall-flow type filter core further to remove
Noxious material.In addition, the present invention must need not often add urea such as existing same device
Water enters in engine, but appropriate urea water constantly is coated into through type ceramic filtering supplied to each
The ceramic wool of core and wall-flow type filter core, adsorbs urea water by ceramic wool and constant keeps moistening shape
State, and then penetrate into the hole of the through type such as this ceramic element or wall-flow type filter core, make discharge has
Malicious waste gas such as nitrogen oxides (NOx) etc. can be in quilt by through type ceramic element and during wall-flow type filter core
Urea or ammonia are subject to decomposition-reduction into nitrogen and moisture, to reduce the pollution to environment.
The beneficial effects of the invention are as follows solve existing diesel motor purifying processing device, because of urea
Consumption is very quick, it is necessary to which often addition could be maintained in the use of normal operation in trouble and money
Cost.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is first embodiment of the present invention plan cross-section schematic diagram；
Fig. 2 is the schematic perspective view of the first embodiment of the present invention；
Fig. 3 is the plan cross-section schematic diagram of the second embodiment of the present invention.
Label declaration in figure：
1 ... blast pipe
10 ... first holes
11 ... exhaust gas entrances
12 ... waste gas outlets
2 ... through type ceramic elements
2A ... ceramic wools
3 ... wall-flow type filter cores
4 ... mozzles
41 ... second holes
5 ... containers
51 ... addition mouths
6 ... magnetic valves
Embodiment
《First embodiment》
As shown in Figures 1 and 2, the drip irrigation type reducing catalyst blast pipe that the present invention is provided, its first reality
Apply example and include a blast pipe 1, the blast pipe 1 has the two ends and interconnected one positioned at axial direction
The waste gas outlet 12 of exhaust gas entrance 11 and one, the tube wall of blast pipe 1 is provided with the first hole of several insertions
10, and axial direction arrangement of first hole of grade 10 along blast pipe 1 is in line.In blast pipe 1 then
Several wall-flow type filter cores 3 of through type ceramic element 2 and one are set；Preferably, the through type such as this ceramics
The compartment of terrain in blast pipe 1 is configured filter core 2 with wall-flow type filter core 3；Each through type ceramic element 2 with
The external diameter of wall-flow type filter core 3 is coated with the ceramic wool 2A of fluid-absorbing, the through type ceramic filtering such as this
Axially the matching somebody with somebody from exhaust gas entrance 11 toward the arrangement of waste gas outlet 12 along blast pipe 1 in blast pipe 1 of core 2
Put, and a wall-flow type filter core 3 is arranged at closest to the position of waste gas outlet 12.
One mozzle 4 is set on the outside of the tube wall of blast pipe 1, and the tube wall of the mozzle 4 is then provided with several the
Two holes 41, and axial direction arrangement of second hole of grade 41 along mozzle 4 is in line；Mozzle
4 on the outside of the tube wall of blast pipe 1 after make the line correspondences of the second hole of grade 41 first hole of grade 10
And be interconnected；Preferably, mozzle 4 is fixed on welding technique on the outside of the tube wall of blast pipe 1,
And the first periphery between hole 10 and the second hole 41 is sealed.The mozzle 4 is connected to a use
To contain the container 5 of urea water, there is addition mouth 51 can be used to add urea water for the top of container 5；
One appropriate location of mozzle 4 sets one to be used for controlling the magnetic valve 6 whether urea water passes through；At this
In the embodiment of invention, the magnetic valve 6 is electrically connected with the power supply of a vehicle, when vehicle launch power supply
Start the magnetic valve 6 simultaneously, the magnetic valve 6 is closed while vehicle closes power supply.
The through type ceramic element application cordierite ceramic porous characteristic catches diesel motor
The particulate contaminant discharged, each passage of filter core is opening at one end, and in the other end then
Closed, therefore, force exhaust to be passed through by porous ceramic wall.Because the particle of cigarette ash is relatively made pottery
The hole of porcelain wall is big, therefore will be caught by benefit on passage.When filtering element (cartridge) load is reached the limit of, this
A little cigarette ashes, which must be ignited burn-up (oxidation), could recover the function of filter core, the step of this soot oxidation
Be called " regeneration ".In order to reduce back pressure, it is to avoid the horsepower of influence engine, general recommendations, which is used, draws
The ceramic element capacity for holding up more than 2 times of capacity is standard.
The wall-flow type filter core using metallic particles storage add coating oxidation catalyst (DOC), it be by
Metal corrugated plate comprising metal wire web plate winding of the multilayer with spade-type structure is formed, reprocessing
Metal honeycomb filter core.DOC (200 DEG C -450 DEG C) within the scope of appropriate temperature is continuously generated NO2
And flowing into grain catcher, NO2 and the carbon particle that is deposited on metal fiber felt plate are in appropriate temperature
Oxidation regeneration reaction persistently occurs for (200 DEG C -450 DEG C) in the range of degree, and this process is referred to as continuously
Passive regeneration.Grain catcher reduces the carbon particle in waste gas with DOC collective effects.
The present invention is installed on the function mode after vehicle：Can be while opens solenoid valve 6 after vehicle launch
With the second hole 41 by appropriate urea water from container 5 by mozzle 4 and the first hole of blast pipe 1
Hole 10 is supplied to ceramic wool 2A, and ceramic wool 2A has been adsorbed and moisture state is maintained at after urea water, and is held
Urea water is penetrated into each through type ceramic element 2 and wall-flow type filter core 3 by continuous ground.As diesel motor row
The waste gas put is by the entrance of exhaust gas entrance 11 of the one end of blast pipe 1 from the row of waste gas outlet 12 of the other end
During going out, poisonous fume such as nitrogen oxides (NOx) etc. can be made pottery sequentially by each through type
Decomposition-reduction is subject into nitrogen and moisture by urea or ammonia when porcelain filter core 2 is with wall-flow type filter core 3, to drop
The low pollution to environment.
《Second embodiment》
As shown in figure 3, the second embodiment for the drip irrigation type reducing catalyst blast pipe that the present invention is provided is basic
Upper to have the structure for being same as aforementioned first embodiment, it is the only difference is that axial in blast pipe 1
Arrangement ground coordinates several through type ceramic elements 2, and is not provided with any wall-flow type filter core.Whereby, car
After starting can simultaneously opens solenoid valve 6 with appropriate urea water from container 5 is passed through into mozzle 4 the
First hole 10 of two holes 41 and blast pipe 1 is supplied to ceramic wool 2A, and ceramic wool 2A has adsorbed urea
Moisture state is maintained at after water, and urea water is constantly penetrated into each through type ceramic element 2.When
The waste gas of diesel motor discharge is entered and giving up from the other end by the exhaust gas entrance 11 of the one end of blast pipe 1
During the discharge of gas outlet 12, poisonous fume such as nitrogen oxides (NOx) etc. can be sequentially by each
Decomposition-reduction is subject into nitrogen and moisture by urea or ammonia during individual through type ceramic element 2, with reduction pair
The pollution of environment.
The above described is only a preferred embodiment of the present invention, not making any shape to the present invention
Limitation in formula, it is any simple that every technical spirit according to the present invention is made to above example
Modification, equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (6)
1. a kind of drip irrigation type reducing catalyst blast pipe, it is characterised in that including：
One blast pipe, includes useless positioned at the two ends of axial direction and an interconnected exhaust gas entrance and one
Gas is exported, and the tube wall of the blast pipe is provided with several first holes；
Several through type ceramic elements, its external diameter is coated with ceramic wool, its in the blast pipe along
The axial direction of the blast pipe is arranged from the exhaust gas entrance toward the waste gas outlet；
One wall-flow type filter core, is configured in the blast pipe closest to the position of the waste gas outlet；
One mozzle, provided with several second holes, the mozzle is located on the outside of the tube wall of the blast pipe,
Make the hole of grade second to the first hole should be waited, the mozzle is connected to the appearance of a splendid attire urea water
Device, and the urine in one magnetic valve, the solenoid valve control container is set in a position of the mozzle
Whether plain water is absorbed, and then ooze by and via the hole of grade second with the first hole by the ceramic wool
In the hole for entering the through type such as this ceramic element and wall-flow type filter core.
2. drip irrigation type reducing catalyst blast pipe according to claim 1, it is characterised in that described
Wall-flow type filter core can be replaced by another through type ceramic element.
3. drip irrigation type reducing catalyst blast pipe according to claim 1, it is characterised in that described
Etc. through type ceramic element and the wall-flow type filter core, compartment of terrain is configured in the blast pipe.
4. drip irrigation type reducing catalyst blast pipe according to claim 2, it is characterised in that described
Etc. through type ceramic element, compartment of terrain is configured in the blast pipe.
5. drip irrigation type reducing catalyst blast pipe according to claim 1 or 2, it is characterised in that
The magnetic valve is electrically connected with the power supply of a vehicle, and the electricity is started while the vehicle launch power supply
Magnet valve, the magnetic valve is closed while the vehicle closes power supply.
6. drip irrigation type reducing catalyst blast pipe according to claim 1 or 2, it is characterised in that
The hole of grade first is arranged in line along the axial direction of the blast pipe, and the second hole of grade edge
The axial direction arrangement of the mozzle in line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610163929.5A CN107218109A (en) | 2016-03-22 | 2016-03-22 | Drip irrigation type reducing catalyst blast pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610163929.5A CN107218109A (en) | 2016-03-22 | 2016-03-22 | Drip irrigation type reducing catalyst blast pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107218109A true CN107218109A (en) | 2017-09-29 |
Family
ID=59927168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610163929.5A Pending CN107218109A (en) | 2016-03-22 | 2016-03-22 | Drip irrigation type reducing catalyst blast pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107218109A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3475133A (en) * | 1965-01-02 | 1969-10-28 | Metallgesellschaft Ag | Apparatus for carrying out a method of purification for flue gases |
| CN102619594A (en) * | 2011-01-30 | 2012-08-01 | 陈温乐 | Transient neutralization and purification device for black smoke and exhaust gas discharged by vehicle |
| CN203146066U (en) * | 2013-01-21 | 2013-08-21 | 中华绿能科技股份有限公司 | Particle capture multiple regenerating device |
| CN205605284U (en) * | 2016-03-22 | 2016-09-28 | 陈温乐 | Drip irrigation formula reduction catalyst blast pipe |
-
2016
- 2016-03-22 CN CN201610163929.5A patent/CN107218109A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3475133A (en) * | 1965-01-02 | 1969-10-28 | Metallgesellschaft Ag | Apparatus for carrying out a method of purification for flue gases |
| CN102619594A (en) * | 2011-01-30 | 2012-08-01 | 陈温乐 | Transient neutralization and purification device for black smoke and exhaust gas discharged by vehicle |
| CN203146066U (en) * | 2013-01-21 | 2013-08-21 | 中华绿能科技股份有限公司 | Particle capture multiple regenerating device |
| CN205605284U (en) * | 2016-03-22 | 2016-09-28 | 陈温乐 | Drip irrigation formula reduction catalyst blast pipe |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170929 |
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| WD01 | Invention patent application deemed withdrawn after publication |