CN207363737U - For purging the regenerating unit of vehicle-mounted particle trapper offline - Google Patents
For purging the regenerating unit of vehicle-mounted particle trapper offline Download PDFInfo
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- CN207363737U CN207363737U CN201720641179.8U CN201720641179U CN207363737U CN 207363737 U CN207363737 U CN 207363737U CN 201720641179 U CN201720641179 U CN 201720641179U CN 207363737 U CN207363737 U CN 207363737U
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- turntable
- particle trapper
- regenerating unit
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- rack
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Abstract
It the utility model is related to the regenerating unit for purging vehicle-mounted particle trapper offline.The regenerating unit includes：Rack, the rack are divided into the upper, middle and lower；The turntable being arranged on the middle level, it is used to support particle trapper and it can be made to be rotated along the center line of particle trapper；The negative-pressure closed foodstuff cover being arranged on above the turntable, it can be moved in the vertical direction to seal turntable or be exposed；Blast tube, it is arranged on the top of the negative-pressure closed foodstuff cover, is directed at the turntable, and the cylinder with being arranged on rack upper strata connects；The XZ mobile stations being arranged on the negative-pressure closed foodstuff cover, it can drive blast tube to translate along X-direction or moved up and down along Z-direction；It is arranged on the dust suction funnel connected below the turntable and with the turntable；With the precipitron connected by pipeline with the dust suction funnel.
Description
Technical field
Regenerating unit is the utility model is related to, is more particularly related to purge again vehicle-mounted particle trapper
Generating apparatus, and the method purged offline to vehicle-mounted particle trapper using regenerating unit, are located after belonging to emission of diesel engine
Reason field.
Background technology
With the execution of 5 discharge standard of Europe, diesel engine particle catcher (DPF) become one kind in diesel vehicle can not or
Scarce technology.In recent years, with the increase of vehicle guaranteeding organic quantity, vehicular emission is increasingly becoming Chinese big city air pollution
Main source.In the source of Beijing Ambient PM2.5, the share rate of automotive emission is up to 22%.Moreover, motor vehicle
The particulate matter of discharge mostlys come from diesel vehicle.With China's diesel car emission control regulations increasingly stringent in recent years
Put into effect, the application of DPF will have a vast market prospect.
PM is exactly that we see " black smoke " of exhaust pipe discharge in diesel exhaust gas, it is mainly by soot, You Jike
Melt into point and sulfate composition, the essential condition of generation are high temperature and ischaemia in diesel engine diffusion combustion, gaseous mixture
Formed it is extremely uneven, fuel-pyrolysis and generate soot；These soots return the HC for adsorbing some macromoleculars, in addition diesel oil sulfur content
It is higher, wherein being likely to form sulfate, it can also produce soot；In addition lubricating oil enters combustion chamber by piston and cylinder wall gap
And it is also another main cause of PM formation that cannot fully burn.
Diesel exhaust gas PM diameters are very small, and most of particle diameter is between 0.1-20 μm.These PM largely emitted
It is very harmful to human respiratory.Adsorbing the soluble organic on diesel exhaust gas PM surfaces has mutagenesis, its component
More than 90% be carcinogen.The PM to float in an atmosphere has an effect on air in addition to the health of human body again harmful effect
The service life of visibility, the growth of plant and facade.
Particle trapper DPF be generally acknowledge in the world at present, most practical and effective particulate post-processing technology, DPF is can be with
It is effective to intercept soot particulate PM caused by diesel engine.The black tail gas containing PM of diesel engine discharge, by special
The pipeline of door enters DPF, and when tail gas passes through DPF, wherein PM is intercepted absorption in filtering body through micro porous filtration, eventually becomes
Clean colourless gas are drained into air, and black smoke purifying rate can reach more than 90%.With the growth of working time, in DPF
The PM amounts increase of deposition, causes the diesel exhaust gas back pressure suddenly poly- normal work for rising, seriously affecting diesel engine, it is therefore necessary to and
When remove the PM accumulated in DPF, i.e. dpf regeneration.
There is the combustion-supporting regeneration of electrical heating regeneration, oil spout, microwave heating regeneration, red to the methods of DPF active forced regenerations at present
Outside line thermal regeneration etc., these renovation process need additionally to consume a large amount of electric energy and fuel oil, and the recovery time it is long, cannot be online
Regeneration, the shortcoming such as regeneration rate is low, it is difficult to the substantial amounts of practical application in high output diesel engine discharge purification.
A kind of backwash dress was disclosed in Chinese patent application the 201610508583.8th disclosed in 26 days October in 2016
Put, in the back washing device, using empty detonation pressure power, DPF is purged using multiple purging holes.However, in the apparatus,
Due to using multiple purging mouths at the same time, very high air pressure is resulted in the need for, which increase equipment requirement；Meanwhile the device
Simply simply purged, therefore each hole of DPF cannot be purged by the way of washing arm is rotated, it is therefore, difficult
To ensure that each hole can thoroughly be purged.
Therefore, in the art there is still a need for one kind can purge vehicle-mounted particle trapper in the case of offline
So as to recover the regenerating unit of its filtering function.
Utility model content
In view of the above-mentioned problems, the utility model proposes a kind of back flushing type regenerating unit, the device are anti-using compressed air
DPF is blown, each of which hole is thoroughly purged, improves regeneration efficiency, extend DPF is continuing with the cycle.
In the first aspect of the utility model, there is provided a kind of regeneration dress for being used to purge vehicle-mounted particle trapper offline
Put, it includes：Rack, the rack are divided into the upper, middle and lower；The turntable being arranged on the middle level, it is used to prop up
Hold particle trapper and it can be made to be rotated along the center line of particle trapper；The negative-pressure sealing being arranged on above the turntable
Cover, it can be moved in the vertical direction to seal turntable or be exposed；Blast tube, it is arranged on the negative-pressure closed foodstuff cover
Top, is directed at the turntable, and the cylinder with being arranged on rack upper strata connects；It is arranged on the negative-pressure closed foodstuff cover
XZ mobile stations, it can drive blast tube to translate along X-direction or move up and down along Z-direction；It is arranged on the rotation
The dust suction funnel connected below platform and with the turntable；With the precipitron connected by pipeline with the dust suction funnel.
By using the regenerating unit, there can be the particle trapper of cigarette ash and other impurity thoroughly to be blown accumulation
Sweep and clean, so as to recover its filtering function.
Regenerating unit according to first aspect, it is additionally provided with electric rotating machine, for rotating the turntable.
In the second aspect of the utility model, there is provided a kind of regenerating unit using according to first aspect catches particulate
Storage regeneration method, the described method comprises the following steps：1) test and record the pressure for needing regenerated particle trapper both ends
Difference；2) institute's particle trapper is placed on a spinstand, is sealed with negative-pressure closed foodstuff cover, it is entirely square using XZ mobile stations control blast tube
Bit scan purges each hole of particle trapper, until having purged all holes；3) purged particle trapper is removed, into
Row pressure difference is tested, and compared with tolerable pressure difference set in advance, if less than the tolerable pressure difference, then terminates to clean, such as
Fruit pressure difference is more than tolerable pressure difference, then carries out second and purge, until pressure difference is less than the tolerable pressure difference.
Method according to second aspect, wherein the tolerable pressure difference is 4.5-5.5kPa.
Method according to second aspect, wherein the tolerable pressure difference is 5.4kPa or 5.1kPa.
Method according to second aspect, it is additionally included in will need regenerated particle trapper to put if necessary
Enter in regenerating furnace (heating furnace) and be heated to 700-800 degrees Celsius, to carry out thermal cleaning.
Method according to second aspect, wherein in step 2), when the turntable drives the particle trapper
When starting rotation, the blast tube is purged since the most peripheral position of particle trapper, with specific after a circle has been purged
Step pitch is to center stepping, until the last center for reaching particle trapper.
Method according to second aspect, wherein the specific step pitch is equal to the bore dia of particle trapper.
Compared with the prior art (such as 5838.8 patents being mentioned above), using beneficial caused by above-mentioned technical proposal
Effect is：Formula is scanned to the aperture of DPF to purge one by one, can ensure that each hole is purged by using stepper motor
Arrive, so as to reach thoroughly purging and regenerated purpose, this not only enables DPF thoroughly to be purged, moreover it is possible to extends it and continues to make
With cycle or service life.Further, since being purged using single-nozzle pipe to DPF, and it is not to utilize empty quick-fried principle, therefore energy
It is enough effectively to reduce the pressure for using compressed air, so as to reduce the performance requirement of equipment, save using old, reduce at the same time
Purging to DPF may caused by damage.
In addition, device according to the present utility model can also be suitable for continuous DPF by simple refit purges production line,
So as to fulfill continuous, online, the full-automatic purging to a large amount of DPF, so as to complete the automation regeneration of DPF.
Brief description of the drawings
The utility model is described below with reference to attached drawing.It should be appreciated that attached drawing is intended merely to solve by way of example
Release and illustrate the principle of the utility model, and have no intention for the utility model to be limited to concrete scheme shown in attached drawing.
In attached drawing：
Fig. 1 shows the structure chart of the utility model regenerating unit according to an embodiment；
Fig. 2 shows the dpf regeneration device fundamental diagram according to one embodiment of the utility model；
Fig. 3 shows the block diagram of the dpf regeneration method according to one embodiment of the utility model.
In figure：1：Rack；2：Cylinder；3：XZ mobile stations；4：Negative-pressure closed foodstuff cover；5：Guide post；6：DPF products；7：Rotation
Platform；8：Dust suction funnel；9：Control valve；10：Turntable motor；11：Precipitron；12：Printer；13：Switch board and press
Button；14：Visual touch-screen；15：Digital pressure gauge；16：Sort of air pressure adjusting valve；17：Indicator light.
Embodiment
The regeneration according to the present utility model for being used to purge vehicle-mounted particle trapper is described in detail below with reference to attached drawing to fill
Put.However, those of ordinary skill in the art are it will be appreciated that each embodiment given below is used for the purpose of making the general of this area
Logical technical staff better understood when the utility model, without the purpose of any restrictions.The scope of the utility model be by
What claims limited.
With reference to figure 1, it illustrates the dpf regeneration device according to one embodiment of the utility model.The regenerating unit bag
Include：Rack 1, the rack 1 are divided into the upper, middle and lower；The turntable being arranged on the middle level, it is used to support particulate
Trap and can make its along particle trapper center line rotate；The negative-pressure closed foodstuff cover 4 of the top of turntable 7 is arranged on,
It can be moved in the vertical direction to seal turntable 7 or be exposed；Blast tube, it is arranged on the negative-pressure closed foodstuff cover 4
Top, is directed at the turntable 7, and the cylinder 2 with being arranged on 1 upper strata of rack connects；It is arranged on the negative-pressure sealing
XZ mobile stations 3 on cover 4, it can drive blast tube to translate along X-direction or moved up and down along Z-direction；It is arranged on institute
State the lower section of turntable 7 and the dust suction funnel 8 connected with the turntable 7；With the collection connected by pipeline with the dust suction funnel 8
Dirt machine 11.The all parts of regenerating unit are described in detail below with reference to Fig. 1.
The all parts of the regenerating unit are arranged in rack 1, and rack 1 is divided for the upper, middle and lower, for carrying not
Same component.Being provided with middle level can be around the turntable 7 of central rotation, for supporting vehicle-mounted particle trapper and making it in
The heart rotates, and is purged with facilitating.
Negative-pressure closed foodstuff cover 4 is provided with above turntable 7, it is arranged on the guide post of vertical direction, can be along Vertical Square
Move up and down.In purge, it declines along guide post, covers turntable 7 and be sealed against, to remain negative inside it
Pressure.After purging terminates, it rises along guide post, exposes particle trapper, easy to remove.In an arrangement, negative-pressure sealing
Cover 4 is connected with vacuum and negative pressure pump, to produce negative pressure in it.The positive pressure that the negative pressure is produced with blast tube is overlapped mutually, so that into
The dynamics and effect of one step enhancing purging.
The top of negative-pressure closed foodstuff cover 4 is provided with XZ mobile stations 3, for making blast tube be moved along X-direction, coordinates turntable
7 rotation, which is realized, purges all well of particle trapper.For example, the XZ mobile stations 3 are provided with gasbag-type translating device,
Blast tube is arranged in the middle part of gasbag-type translating device, and the movement of X-direction is realized by the compression and expansion of air bag.
The top of XZ mobile stations 3 is provided with cylinder 2, for storing pressure-air.Cylinder 2 and the spray for purging DPF
Mouth pipe connects, to supply pressure-air to it.
In one embodiment, the printer for print data is additionally provided with, for printing and purge
Relevant data, including purging pressure, pressure difference etc..Digital pressure gauge is additionally provided with, for measuring and showing the air of purging
Pressure.
It is former according to the work of the full-automatic dpf regeneration device of one embodiment of the utility model below with reference to Fig. 2 descriptions
Reason.In fig. 2, DPF is placed on turntable 7, and Serve Motor Control screw rod connecting mechanism drives hose director pulsation level pressure to blow
Blast tube, and automatic three-dimensional motion, purging process is automatically controlled according to the diameter of DPF products, is had accurately and rapidly excellent
Point.Translational speed can be with stepless time adjustment；Electric control system controls spray nozzle device along three-dimensional motion above DPF, so that
All scanning to each aperture of DPF, achievees the purpose that purging to nozzle.Regenerating unit is provided with timer, when purging DPF,
The degree that can be blocked according to DPF sets purge time, and then, equipment is automatically stopped work to setting time, liberates operating personnel's
Meanwhile achieve the purpose that safety operation.
Below with reference to the accompanying drawings 3 the renovation process according to one embodiment of the utility model is described.This comprises the following steps：
1) test and record the pressure difference for needing regenerated particle trapper both ends, be denoted as Δ P；2) particle trapper is placed on rotation
On turntable 7, sealed with negative-pressure closed foodstuff cover 4, the every of blast tube comprehensive scanning purging particle trapper is controlled using XZ mobile stations 3
A hole, until having purged all holes；3) purged particle trapper is removed, carries out pressure difference test, and with presetting
Tolerable pressure differential deltap PrxCompare, if less than the tolerable pressure differential deltap Prx, then terminate to clean, can hold if pressure difference is more than
Perhaps pressure differential deltap Prx, then carry out purging for second, until pressure difference is less than the tolerable pressure differential deltap Prx.In a preferred solution,
The tolerable pressure differential deltap PrxFor 4.5-5.5kPa.In a more preferred embodiment, it may be allowed pressure differential deltap PrxFor 5.4kPa or
5.1kPa。
In some cases, this method is additionally included in will need regenerated particle trapper to be put into regeneration if necessary
In stove (heating furnace) and 700-800 degrees Celsius is heated to, to carry out thermal cleaning.The purpose of the thermal cleaning is will be remaining in DPF
Oil stain and combustible sulfate or phosphate oxidation simultaneously remove.
In the step 2) of the method, when the turntable 7 drives the particle trapper to start rotation, the spray
Mouth pipe is purged since the most peripheral position of particle trapper, with specific step pitch to center stepping after a circle has been purged, directly
To the last center for reaching particle trapper.Certainly, blast tube can also be purged since center, then with specific step pitch outside
Move, be scanned formula to the hole of particle trapper purges one by one, until having purged all holes.In one embodiment, it is special
Determine the bore dia that step pitch is equal to particle trapper.
In another embodiment, in the step 2) of the method, when the turntable 7 drives the particle trapper
When starting rotation, the blast tube is advanced from the center of particle trapper to periphery with scan mode in a spiral manner, or with
Spiral way from the outer circumferential central row of the particle trapper into.In this way, the blast tube can be with spiral side
Formula purges particle trapper, wherein spiral curvature can be adjusted as needed, so as to adjust what purging was completed
Time.For example, when the cigarette ash of particle trapper accumulation is less, blocking is relatively low compared with light or back pressure, spiral curvature can be reduced
(so as to fulfill larger step distance), to accelerate the speed of purging；And when particle trapper accumulation cigarette ash it is less, block compared with
When light or back pressure is relatively low, spiral curvature can be increased, to reduce the speed of purging, realization is complete, thoroughly purges.
Embodiment 1
The particle trapper for having cigarette ash to accumulation using regenerating unit shown in Fig. 1 regenerates.Weigh first clean micro-
The weight W of grain trap0, dust stratification, weigh W1, regeneration, weigh W again2, to calculate the clearance rate of cigarette ash.At the same time before record regenerating
With the pressure differential deltap P at particle trapper both ends after regeneration.The time that record regenerating is completed.10 particle trappers, meter are regenerated altogether
Calculate the average value of indices.Cigarette ash clearance rate is calculated as follows.
Cigarette ash clearance rate %=(W1-W2)/(W1-W0) * 100%
Comparative example 1
There is the particle trapper of cigarette ash to carry out to product using the blowback cleaning plant disclosed in CN201610608683.8
Regeneration.The weight of clean particle trapper is weighed first, and dust stratification, weighs, and regeneration, weighs, to calculate the removing of cigarette ash again
Rate.Pressure difference before record regenerating with particle trapper both ends after regeneration at the same time.The time that record regenerating is completed.10 are regenerated altogether
Particle trapper, calculates the average value of indices.
The experimental result of embodiment 1 and comparative example 1 is shown in the following table.
It can be seen from the result of table 1 compared with the blowback cleaning plant disclosed in documents, although the recovery time omits
It is long, but regenerating unit can significantly improve the clearance rate of cigarette ash according to the present invention, and the particulate after regeneration is caught
The pressure difference at storage both ends is relatively low.This shows that regenerating unit according to the present invention can more effectively remove accumulation in micro particle catching
Cigarette ash in device, so that particle trapper regeneration is more thorough, extends its service life, and be conducive to vehicle motor just
Often operation.
Claims (3)
1. a kind of regenerating unit for being used to purge vehicle-mounted particle trapper offline, it includes
Rack, the rack are divided into the upper, middle and lower；
The turntable being arranged on the middle level, it is used to support particle trapper and can make its center along particle trapper
Line rotates；
The negative-pressure closed foodstuff cover being arranged on above the turntable, it can be moved in the vertical direction to seal turntable or be revealed
Go out；
Blast tube, it is arranged on the top of the negative-pressure closed foodstuff cover, is directed at the turntable, and with being arranged on rack upper strata
Cylinder connection；
The XZ mobile stations being arranged on the negative-pressure closed foodstuff cover, it can drive blast tube to be translated along X-direction or along Z axis side
Move up and down；With
It is arranged on the dust suction funnel connected below the turntable and with the turntable.
2. regenerating unit according to claim 1, it is characterised in that electric rotating machine is additionally provided with, for making the rotation
Platform rotates.
3. regenerating unit according to claim 1, it is characterised in that the regenerating unit further include by pipeline with it is described
The precipitron of dust suction funnel connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720641179.8U CN207363737U (en) | 2017-06-05 | 2017-06-05 | For purging the regenerating unit of vehicle-mounted particle trapper offline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720641179.8U CN207363737U (en) | 2017-06-05 | 2017-06-05 | For purging the regenerating unit of vehicle-mounted particle trapper offline |
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| Publication Number | Publication Date |
|---|---|
| CN207363737U true CN207363737U (en) | 2018-05-15 |
Family
ID=62425152
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720641179.8U Expired - Fee Related CN207363737U (en) | 2017-06-05 | 2017-06-05 | For purging the regenerating unit of vehicle-mounted particle trapper offline |
Country Status (1)
| Country | Link |
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| CN (1) | CN207363737U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230526A (en) * | 2019-06-17 | 2019-09-13 | 南京常润智能科技有限公司 | A kind of engine tail gas purifier regenerating unit |
| CN110905630A (en) * | 2019-11-22 | 2020-03-24 | 上海创怡环境技术有限公司 | DPF cleaning system and cleaning method |
| WO2021114538A1 (en) * | 2019-12-11 | 2021-06-17 | 江苏可兰素环保科技有限公司 | Dpf regeneration device |
| CN113404571A (en) * | 2021-07-15 | 2021-09-17 | 山西百达电子科技有限公司 | High-pressure blowing and ash removing device for post-processor |
-
2017
- 2017-06-05 CN CN201720641179.8U patent/CN207363737U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230526A (en) * | 2019-06-17 | 2019-09-13 | 南京常润智能科技有限公司 | A kind of engine tail gas purifier regenerating unit |
| CN110905630A (en) * | 2019-11-22 | 2020-03-24 | 上海创怡环境技术有限公司 | DPF cleaning system and cleaning method |
| WO2021114538A1 (en) * | 2019-12-11 | 2021-06-17 | 江苏可兰素环保科技有限公司 | Dpf regeneration device |
| CN113404571A (en) * | 2021-07-15 | 2021-09-17 | 山西百达电子科技有限公司 | High-pressure blowing and ash removing device for post-processor |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 556000 the first industrial park of Kaili Economic Development Zone, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Patentee after: Guizhou Huang Cheng Polytron Technologies Inc Address before: 556000 the first industrial park of Kaili Economic Development Zone, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Patentee before: Hangzhou Yiche Vehicle Decontamination Machine Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190606 Address after: 311100 No. 501 Shunfeng Road, Linping Street, Yuhang District, Hangzhou City, Zhejiang Province (Yuhang Economic and Technological Development Zone) Patentee after: Hangzhou Yixuan Technology Co., Ltd. Address before: 556000 the first industrial park of Kaili Economic Development Zone, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Patentee before: Guizhou Huang Cheng Polytron Technologies Inc |
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| 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: 20180515 Termination date: 20190605 |