CN106499512A - A kind of for three-element catalytic carrier clean and reducing/regenerating method - Google Patents
A kind of for three-element catalytic carrier clean and reducing/regenerating method Download PDFInfo
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- CN106499512A CN106499512A CN201610911049.1A CN201610911049A CN106499512A CN 106499512 A CN106499512 A CN 106499512A CN 201610911049 A CN201610911049 A CN 201610911049A CN 106499512 A CN106499512 A CN 106499512A
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- China
- Prior art keywords
- hole
- element catalytic
- catalytic carrier
- catalyzing unit
- ternary catalyzing
- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/04—Cleaning of, preventing corrosion or erosion in, or preventing unwanted deposits in, combustion engines
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- 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
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Catalysts (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention provides a kind of for three-element catalytic carrier clean and reducing/regenerating method, belong to automobile environment-protection technical field, comprise the following steps：A. cleanout fluid is sprayed in ternary catalyzing unit by the through hole being arranged on ternary catalyzing unit, three-element catalytic carrier is cleaned；After the completion of cleaning, close the through hole and start automobile engine and three-element catalytic carrier is dried, automobile engine is closed after drying；B. the through hole is opened, regenerated liquid is sprayed on three-element catalytic carrier by the through hole；After the completion of spraying, close the through hole and be again started up automobile engine and three-element catalytic carrier is dried.Provided by the present invention clean for three-element catalytic carrier and reducing/regenerating method, realize that the cleaning to three-element catalytic carrier and reducing/regenerating are processed in the case of without the need for a whole set of dismounting ternary catalyzing unit, and avoid the use of outside heating apparatuss.
Description
Technical field
The invention belongs to automobile environment-protection technical field, and in particular to a kind of for the cleaning of three-element catalytic carrier and reducing/regenerating
Method.
Background technology
Ternary catalyzing unit, is mounted in most important outer purifier in automobile exhaust system, and which is internally provided with three
First catalytic carrier, and CO, HC and NO vehicle exhaust discharged by three-element catalytic supported catalystxPass through etc. harmful gass
Oxidation and reduction are changed into harmless carbon dioxide, water and nitrogen.
After ternary catalyzing unit long-time use, due to gasoline in sulfur, the phosphorus in lead and lubricating oil, zinc fires within the engine
Soot that the oxide formed after burning is excluded with electromotor etc. is adsorbed on the catalyst of three-element catalytic carrier, and three-element catalytic
Three-element catalytic supported catalyst partial exfoliation in device, therefore, which not only causes the conversion efficiency of ternary catalyzing unit to reduce, and leads
The harmful gass such as CO, HC and the NOx for causing vehicle exhaust to discharge are exceeded；But also ternary catalyzing unit can be caused to block, cause automobile
Be short of power, increase vehicle fuel consumption the problems such as.
In order to solve the above problems, prior art needs to disassemble a whole set of ternary catalyzing unit from automobile, Ran Houtong
Over cleaning liquid is cleaned to three-element catalytic carrier, and three-element catalytic carrier is reduced again by regenerated liquid after cleaning
Raw, whole operation process needs more than one hours, and not only wasting time and energy, and also need to outside heating apparatuss carries out heating baking
Roasting.
Content of the invention
In order to solve the problems referred to above of prior art presence, the invention provides a kind of clean for three-element catalytic carrier and
The method of reducing/regenerating, to realize the cleaning to three-element catalytic carrier and go back in the case of without the need for a whole set of dismounting ternary catalyzing unit
Former Regeneration Treatment, and avoid the use of outside heating apparatuss.
The technical solution adopted in the present invention is：
A kind of for three-element catalytic carrier clean and reducing/regenerating method, which comprises the following steps：
A. cleanout fluid is sprayed in ternary catalyzing unit, to three-element catalytic carrier by the through hole being arranged on ternary catalyzing unit
Cleaned；After the completion of cleaning, close the through hole and start automobile engine and three-element catalytic carrier is dried, after drying
Automobile engine is closed；
B. the through hole is opened, regenerated liquid is sprayed on three-element catalytic carrier by the through hole；After the completion of spraying, close
Close the through hole and be again started up automobile engine and three-element catalytic carrier is dried.
Cleanout fluid and regenerated liquid are sprayed into ternary by the through hole being arranged on ternary catalyzing unit and are urged by said method respectively
Change in device, it is achieved thereby that the cleaning and reducing/regenerating to the three-element catalytic carrier inside ternary catalyzing unit is operated, urge ternary
Change device and recover efficiency, make the harmful gass such as CO, HC and NOx discharged in vehicle exhaust oxidized and reduction effectively changes
For harmless carbon dioxide, water and nitrogen.
Meanwhile, in operating process, produced thermal current after automobile engine starting is not only contributed to cleaning process
In foreign body discharge ternary catalyzing unit；And, compared to the method that existing employing external heating device is dried, the temperature of thermal current
Up to 800 DEG C or so, which will be significantly larger than external heating device and can achieve the effect that, so as to also help three-element catalytic load
The flash baking of body, and drying effect is improved, the component in regenerated liquid is firmly adhered to more than three-element catalytic carrier.
Also, when three-element catalytic carrier of the prior art in ternary catalyzing unit is dried, need external heating device
Produced steam (temperature is 200-300 DEG C) is blown out by flexible pipe, and during so as to drying to three-element catalytic carrier, which is easy
Potential safety hazard is caused, the method dried by the thermal current using produced by automobile engine is more safe and reliable.
Therefore, above-mentioned for three-element catalytic carrier clean and regeneration reducing method, by being arranged on ternary catalyzing unit
Through hole cause to dismantle ternary catalyzing unit and just cleanout fluid and regenerated liquid can be sprayed in ternary catalyzing unit, urge ternary
The three-element catalytic carrier that changes in device is cleaned, and regenerated liquid is evenly applied on three-element catalytic carrier；Meanwhile, operating process
In by the thermal current produced by automobile engine starting to clean and spray regenerated liquid three-element catalytic carrier dry,
The cleaning and reducing/regenerating for completing three-element catalytic carrier by need not dismantling in the case of ternary catalyzing unit is processed, and the method is not
Only convenient, fast, and treatment effect is good；Simultaneously, it is thus also avoided that the use of external heating device, drying operation is made more to pacify
Entirely, reliable.
Further, described method is further comprising the steps of：
Opening step：The perforate on ternary catalyzing unit by hole making drill, and formed and connected inside the ternary catalyzing unit
The through hole；
Close mechanism setting steps：Close mechanism is set at the aperture of the through hole, is controlled by the close mechanism
The through hole opening/closing.
Further, the close mechanism includes boss nut and bolt；The boss nut is fixedly installed on described logical
At the aperture in hole, and the screw of the boss nut is connected with the through hole；The bolt is by helicitic texture and the boss
Nut is detachably connected.
In operating process, when needing to spray into cleanout fluid or regenerated liquid, bolts and nuts are turned on by rotating bolt, beat through hole
Open；When needing to dry, bolt is tightened against on nut, closes through hole, be conducive to the three-element catalytic inside ternary catalyzing unit to carry
The drying of body.
Further, the wide end of the boss nut is located at the aperture of the through hole, and outside the wide end of the boss nut
With diameter greater than the diameter of the through hole, the overall diameter of narrow end is less than the diameter of the through hole.
Further, the through hole is located at the middle part on the inlet end cervical region inclined-plane of the ternary catalyzing unit；And the through hole
A diameter of 15-23mm.
Further, a diameter of 22mm of the through hole.
The air inlet pipe of existing ternary catalyzing unit is provided with for installing the installing hole of oxygen sensor, is disassembling oxygen sensing
After device, although cleanout fluid and regenerated liquid the installing hole can be sprayed in ternary catalyzing unit, but due to installing hole distance three with through hole
Farther out, and the aperture of installing hole is less for first catalyst converter, therefore, when being sprayed by the installing hole, is not only not easy to spraying dress
The operation that puts, and the coating effect of the cleaning performance and regenerated liquid of three-element catalytic carrier is poor.
Therefore, spraying cleanout fluid and regenerated liquid during, in order to avoid on automobile miscellaneous part produce affect and
It is easy to the spraying of cleanout fluid and regenerated liquid, it is preferable that through hole is arranged at the inlet end cervical region inclined-plane for closing on ternary catalyzing unit
Place, so, spraying cleanout fluid and during regenerated liquid, the direction of spraying essentially toward in the gas outlet direction of ternary catalyzing unit, so as to
Avoid cleanout fluid and regenerated liquid from entering automobile miscellaneous part and affect the normal work of automobile, also, start automobile engine
Afterwards, the foreign body of the three-element catalytic carrier after also allowing for cleaning is discharged.Wherein it is preferred to, through hole is located at the ternary catalyzing unit
The middle part on inlet end cervical region inclined-plane.
Meanwhile, the diameter of through hole is preferably 15-23mm；More excellent for 22mm, in order in spraying operation, easily to spraying
Device is operated, and the spraying effect of the cleaning performance and regenerated liquid for being conducive to improving three-element catalytic carrier, makes regenerated liquid equal
Even it is coated on three-element catalytic carrier.
Wherein, boss nut constitutes close mechanism with bolt, is needing to enter the three-element catalytic carrier in ternary catalyzing unit
When row cleaning and reducing/regenerating are processed, bolt is turned on, consequently facilitating being operated by through hole accordingly；After the completion of operation,
Through hole is closed, bolt and boss nut screwing clamping so as to ensure the normal work of ternary catalyzing unit.
Beneficial effects of the present invention are：
Provided by the present invention for three-element catalytic carrier clean and reducing/regenerating method, by being arranged at three-element catalytic
Through hole on device can spray into cleanout fluid and regenerated liquid in ternary catalyzing unit, make the three-element catalytic carrier in ternary catalyzing unit
Cleaned, and regenerated liquid is evenly applied on three-element catalytic carrier；Meanwhile, by the heat produced by automobile engine starting
Air-flow can be dried to the three-element catalytic carrier for cleaning and spraying regenerated liquid, it is thereby achieved that ternary need not dismantled
The cleaning and reducing/regenerating process work of three-element catalytic carrier can be completed in the case of catalyst converter, and which not only has operation side
Just, fast, the advantages of high treating effect, and also avoid the use of external heating device, make drying operation safer, can
Lean on.
Specific embodiment
Embodiment 1
Present embodiments provide a kind of for three-element catalytic carrier clean and reducing/regenerating method, which includes following step
Suddenly：
A. cleanout fluid is sprayed in ternary catalyzing unit, in ternary catalyzing unit by the through hole being arranged on ternary catalyzing unit
Three-element catalytic carrier cleaned；After the completion of cleaning, closing through hole and starting automobile engine is carried out to three-element catalytic carrier
Dry, automobile engine is closed after drying, in order to the coating of regenerated liquid；
B. through hole is opened, regenerated liquid is sprayed on the three-element catalytic carrier in ternary catalyzing unit by through hole；Spray
Cheng Hou, closes through hole and is again started up automobile engine and three-element catalytic carrier is dried.
Said method relative to prior art, with easy to operate, quick, the advantages of high treating effect, its need more than ten
Corresponding cleaning and reducing/regenerating process work is completed by minute.
One kind as the present embodiment selects scheme, through hole to be located at the middle part on the inlet end cervical region inclined-plane of ternary catalyzing unit,
Its a diameter of 15mm.
Through-hole diameter in the present embodiment includes but is not limited to 15mm, and which is may be arranged as according to actually used situation
Other sizes specification, wherein, preferably 15mm-23mm is more excellent for 22mm.
Embodiment 2
Present embodiments provide a kind of for three-element catalytic carrier clean and reducing/regenerating method, which includes following step
Suddenly：
A. automobile is risen using lifting machine, finds ternary catalyzing unit；
B. formed for spraying into the through hole of cleanout fluid and regenerated liquid in the side-wall hole of ternary catalyzing unit from hole making drill,
And through hole is located at the middle part on the inlet end cervical region inclined-plane of ternary catalyzing unit, its a diameter of 22mm；
C. boss nut is welded at the aperture of through hole, and the outside that boss nut is located at ternary catalyzing unit is corresponding with through hole
Position, and the wide end of boss nut be located at close on through hole aperture position；Then by the bolt matched with nut twist in
At nut, such that it is able to control the opening/closing of through hole by bolt；
D. through hole is opened, cleanout fluid is loaded in spray equipment, then via through holes are sprayed in ternary catalyzing unit, and ternary is urged
The three-element catalytic carrier that changes in device is cleaned, and removes the foreign body on three-element catalytic carrier；After the completion of cleaning, close through hole and open
Electrical automobile electromotor is dried to three-element catalytic carrier, after drying is closed automobile engine, in order to the coating of regenerated liquid；
E. open through hole again, regenerated liquid is loaded in spray equipment, and is sprayed on three-element catalytic carrier by through hole；Spray
After the completion of painting, it is again switched off through hole and starts automobile engine drying three-element catalytic carrier.
Wherein it is preferred to, the wide end of the boss nut is located at the aperture of the through hole, and the width of the boss nut
Diameter of the end overall diameter more than the through hole, the overall diameter of narrow end preferably improve through hole closure less than the diameter of the through hole
Sealing afterwards, it is ensured that the thermal current produced by after engine start flows along the inner passage of ternary catalyzing unit completely, makes heat
Air-flow is fully contacted with three-element catalytic carrier, is conducive to the drying of three-element catalytic carrier.
In the present embodiment, hole making drill is preferably rustless steel hole making drill；Nut is preferably rustless steel nut；Bolt is preferably not
Rust steel bolt, more excellent is bolt that 304 rustless steels are made.
The open/close of through holes in the present embodiment, can be controlled with other existing close mechanisms, for example by buckle or other
Bindiny mechanism is arranged at sealing-plug at through hole aperture etc..
The preferred embodiments of the present invention are the foregoing is only, the present invention is not limited to, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (6)
1. a kind of for three-element catalytic carrier clean and reducing/regenerating method, it is characterised in that comprise the following steps：
A. cleanout fluid is sprayed in ternary catalyzing unit by the through hole being arranged on ternary catalyzing unit, three-element catalytic carrier is carried out
Cleaning；After the completion of cleaning, close the through hole and start automobile engine and three-element catalytic carrier is dried, by vapour after drying
Car engine is closed；
B. the through hole is opened, regenerated liquid is sprayed on three-element catalytic carrier by the through hole；After the completion of spraying, institute is closed
State through hole and be again started up automobile engine and three-element catalytic carrier is dried.
2. method according to claim 1, it is characterised in that further comprising the steps of：
Opening step：The perforate on ternary catalyzing unit by hole making drill, and formed and the institute connected inside the ternary catalyzing unit
State through hole；
Close mechanism setting steps：At the aperture of the through hole, close mechanism is set, described by close mechanism control
Through hole opening/closing.
3. method according to claim 2, it is characterised in that the close mechanism includes boss nut and bolt；Institute
State boss nut to be fixedly installed at the aperture of the through hole, and the screw of the boss nut is connected with the through hole；Described
Bolt is detachably connected with the boss nut by helicitic texture.
4. method according to claim 3, it is characterised in that the wide end of the boss nut is located at the aperture of the through hole
Place, and the wide end overall diameter of the boss nut, more than the diameter of the through hole, the overall diameter of narrow end is straight less than the through hole
Footpath.
5. the method according to any one of claim 1-4, it is characterised in that the through hole is located at the ternary catalyzing unit
The middle part on inlet end cervical region inclined-plane；And a diameter of 15-23mm of the through hole.
6. method according to claim 5, it is characterised in that a diameter of 22mm of the through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610911049.1A CN106499512A (en) | 2016-10-19 | 2016-10-19 | A kind of for three-element catalytic carrier clean and reducing/regenerating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610911049.1A CN106499512A (en) | 2016-10-19 | 2016-10-19 | A kind of for three-element catalytic carrier clean and reducing/regenerating method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106499512A true CN106499512A (en) | 2017-03-15 |
Family
ID=58294381
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610911049.1A Pending CN106499512A (en) | 2016-10-19 | 2016-10-19 | A kind of for three-element catalytic carrier clean and reducing/regenerating method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670706A (en) * | 2013-11-14 | 2014-03-26 | 宁波行泰商贸有限公司 | Cleaning method for three-way catalyst of automobile |
| CN103758640A (en) * | 2014-01-27 | 2014-04-30 | 陈凤鸣 | Method for cleaning three-way catalyst without demounting three-way catalyst |
| CN103912383A (en) * | 2014-03-17 | 2014-07-09 | 付兴旺 | Car three-way catalyst cleaning regeneration reduction method |
| CN203783700U (en) * | 2014-03-27 | 2014-08-20 | 十堰市富滨实业有限公司 | Automobile exhaust catalyst with dismantling-free and cleaning-free catalyst carriers |
| CN105221222A (en) * | 2015-10-23 | 2016-01-06 | 苏州莲池环保科技发展有限公司 | Ternary catalyzing unit without the need to dismantling restorative procedure |
| CN106438036A (en) * | 2015-08-04 | 2017-02-22 | 刘磊 | Method for cleaning three-way catalytic reactor of automobile |
-
2016
- 2016-10-19 CN CN201610911049.1A patent/CN106499512A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670706A (en) * | 2013-11-14 | 2014-03-26 | 宁波行泰商贸有限公司 | Cleaning method for three-way catalyst of automobile |
| CN103758640A (en) * | 2014-01-27 | 2014-04-30 | 陈凤鸣 | Method for cleaning three-way catalyst without demounting three-way catalyst |
| CN103912383A (en) * | 2014-03-17 | 2014-07-09 | 付兴旺 | Car three-way catalyst cleaning regeneration reduction method |
| CN203783700U (en) * | 2014-03-27 | 2014-08-20 | 十堰市富滨实业有限公司 | Automobile exhaust catalyst with dismantling-free and cleaning-free catalyst carriers |
| CN106438036A (en) * | 2015-08-04 | 2017-02-22 | 刘磊 | Method for cleaning three-way catalytic reactor of automobile |
| CN105221222A (en) * | 2015-10-23 | 2016-01-06 | 苏州莲池环保科技发展有限公司 | Ternary catalyzing unit without the need to dismantling restorative procedure |
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| PB01 | Publication | ||
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Application publication date: 20170315 |