CN107900023A - A kind of DPF cleaning plants based on gas explosion - Google Patents
A kind of DPF cleaning plants based on gas explosion Download PDFInfo
- Publication number
- CN107900023A CN107900023A CN201711071428.5A CN201711071428A CN107900023A CN 107900023 A CN107900023 A CN 107900023A CN 201711071428 A CN201711071428 A CN 201711071428A CN 107900023 A CN107900023 A CN 107900023A
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- Prior art keywords
- cloth bag
- dpf
- layer cloth
- container
- lid
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- 238000004880 explosion Methods 0.000 title claims abstract description 58
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- 239000007789 gas Substances 0.000 description 109
- 239000007788 liquid Substances 0.000 description 55
- 238000007789 sealing Methods 0.000 description 53
- 239000000243 solution Substances 0.000 description 43
- 239000013618 particulate matter Substances 0.000 description 41
- 230000007246 mechanism Effects 0.000 description 32
- 230000000694 effects Effects 0.000 description 21
- 238000000034 method Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 11
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000012530 fluid Substances 0.000 description 10
- 238000009434 installation Methods 0.000 description 9
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- 239000000463 material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000004506 ultrasonic cleaning Methods 0.000 description 6
- 230000001133 acceleration Effects 0.000 description 5
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- 238000002604 ultrasonography Methods 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- 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
- F01N3/023—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 using means for regenerating the filters, e.g. by burning trapped particles
- F01N3/0237—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 using means for regenerating the filters, e.g. by burning trapped particles for regenerating ex situ
Abstract
A kind of DPF cleaning plants based on gas explosion, including the container, gas explosion quck-opening valve and dedusting muffler contacted successively, the container is used to connect with high-pressure air source, the dedusting muffler includes lid, outer layer cloth bag and internal layer cloth bag, the lid seals the outer layer cloth bag opening shape into cavity, the internal layer cloth bag is located in the cavity, which offers the gas vent being tightly connected with the internal layer cloth bag opening, which is used to connect with gas explosion quick opening valve.
Description
Technical field
The present invention relates to automotive field, particularly a kind of DPF cleaning plants based on gas explosion.
Background technology
DPF, Diesel Particulate Filter diesel particulate filters refer in diesel engine truck exhaust system,
The device of particulate matter (PM) in exhaust, abbreviation DPF are reduced by filtering.DPF can be purified effectively 70% in exhaust ---
90% particle, is that purification diesel engine particulate matter is most effective, one of most straightforward approach.Realize commercialization in the world.
DPF is installed in Diesel Engine Exhaust Pipe, and when exhaust passes through, PM is by filter core adsorption filtration.But with the increase of working time, filter core
Internal PM increases, cause exhaust back pressure to raise, will influence the economy of the dynamic property of diesel engine.The PM removed on filter core is referred to as
The regeneration of DPF.The ultimate challenge that DPF faces is exactly regeneration issues.
Refer to Fig. 1 notification numbers CN1920267B and disclose a kind of DPF diesel particulate filters 40 and caught for integral particulate
Collection, and including alternate enclosed slot/passage 50 and enclosed slot/passage 52.Exhaust gas, the exhaust gas as produced by engine,
Into accumulating the end seal closed walk 50 of particulate matter 54 and be spilt out from open channel 52.Stopple 56 is used for sealing passage
50,52 terminal.The wall 58 of diesel particulate filter 40 is preferentially made of the cellular wall of porous ceramics of strip material.Cigarette ash
Particle 59 is flowed into diesel particulate filter and cut there poly-.There is countless small ducts in the DPF of this structure, with
DPF's can be blocked using these small ducts by PM, and part PM can have been started exhaust gas oxidation to burn in vehicle traveling, and with
Method as the increase of DPF working times is increasingly difficult to regenerate, and DPF is blocked serious and caused tail gas not discharge, at this moment
A kind of device that can clear up DPF just is needed, dredges the small duct in DPF.
The content of the invention
It is an object of the present invention to provide a kind of DPF cleaning plants based on gas explosion, can capture DPF gas explosions generation
PM。
In order to achieve the above-mentioned advantages, the present invention provides container, the gas that a kind of DPF cleaning plants based on gas explosion include contacting successively
Quick-fried quck-opening valve and dedusting muffler, the container are used to connect with high-pressure air source, and the dedusting muffler includes lid, outer cloth
Bag and internal layer cloth bag, the lid seal the outer layer cloth bag opening shape and are located at into cavity, the internal layer cloth bag in the cavity,
The lid offers the gas vent being tightly connected with the internal layer cloth bag opening, which is used to connect with gas explosion quick opening valve.
Container, gas explosion quck-opening valve and the dedusting that the DPF cleaning plants based on gas explosion include contacting successively in the present invention disappear
Sound device, area that can be again very big while cavity size needed for gas explosion is ensured simultaneously can to capture the PM of DPF gas explosions generation
Enough eliminate the noise that a part of gas explosion produces.
Brief description of the drawings
Fig. 1 show the structure diagram of existing DPF.
Fig. 2 show the structure diagram of the DPF cleaning plants of first embodiment of the invention.
Fig. 3 show the structure diagram of the second direction of the DPF cleaning plants of Fig. 2.
Fig. 4 show the structure diagram of the third direction of the DPF cleaning plants of Fig. 2.
Fig. 5 show the explosive view of the DPF cleaning plants of Fig. 2.
Fig. 6 show the sectional view of the DPF cleaning plants of Fig. 2.
Fig. 7 show the partial enlarged view at the A of Fig. 3.
Fig. 8 show the partial enlarged view at the B of Fig. 4.
Fig. 9 show the partial enlarged view at the C of Fig. 6.
Figure 10 show the structure diagram of the DPF mounting brackets of the DPF cleaning plants of Fig. 2.
Figure 11 show the explosive view of the DPF mounting brackets of Figure 10.
Figure 12 show the partial enlarged view at the D of Fig. 6.
Figure 13 show the structure diagram of the supersonic generator of the DPF cleaning plants of Fig. 5.
Figure 14 show the explosive view of the supersonic generator of Figure 13.
Figure 15 show the sectional view of the supersonic generator of Figure 13.
Figure 16 show the structure diagram of the gas explosion quck-opening valve of the DPF cleaning plants of Fig. 2.
Figure 17 show the explosive view of the gas explosion quck-opening valve of Figure 13.
Figure 18 show the sectional view of the gas explosion quck-opening valve of Figure 13.
Figure 19 show the partial enlarged view at the E of Figure 18.
Figure 20 show the structure diagram of the dedusting muffler of the DPF cleaning plants of Fig. 2.
Figure 21 show the explosive view of the dedusting muffler of Figure 13.
Figure 22 show the sectional view of the dedusting muffler of Figure 13.
Figure 23 show the annexation figure of the DPF cleaning plants of Fig. 2.
Figure 24 show the structure diagram of the DPF cleaning plants based on gas explosion of second embodiment of the invention.
Figure 25 show the structure diagram of the DPF cleaning plants based on ultrasonic cleaning of third embodiment of the invention.
Figure 26 show the structure diagram of the DPF mounting brackets of fourth embodiment of the invention.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Attached drawing and preferred embodiment, to proposing embodiment, structure, feature and its effect according to the present invention, describe in detail as after.
Fig. 2-Fig. 5 is referred to, the DPF cleaning plants of first embodiment of the invention, for clearing up DPF100, which clears up
Device includes container 1, DPF mounting brackets 2, supersonic generator 3, filter 4, pump 5, cleaning liquid source 6, gas explosion quck-opening valve 7 and removes
Dirt muffler 8, wherein, DPF mounting brackets 2 and supersonic generator 3 are contained in container 1, container 1, gas explosion quck-opening valve 7 and are removed
Dirt muffler 8 is contacted successively；Container 1, filter 4, cleaning liquid source 6, pump 5, container 1 are contacted successively, in addition, the liquid outlet of pump 5
It is connected with the liquid outlet of filter 4.
Fig. 6 is referred to, specific container 1 is located at the top of cleaning liquid source 6, but is not limited.Container 1 is preferably using circle
Tubular structure.Container 1 is separated into first chamber 1a and second chamber 1b by DPF.1 opening of container, which is equipped with, is used for sealing container 1
Lid 11 and locking closure device 12 and device for releasing closures 13, wherein lid 11 and container 1 be hinged.Lid 11 is located at first chamber 1a's
One end.
Fig. 7 is referred to, locking closure device 12 includes first support 121, second support 122, locking closure telescoping mechanism 123, locking closure and stretches
123 both ends of contracting mechanism are hinged with first support 121,122 end of second support respectively, part in first and second stent 121,122
Not hinged with container 1, first and second stent 121,122 is respectively fixed with for limiting lid backwards to the end of locking closure telescoping mechanism 123
The lock 120 that son 11 is opened.Further lock 120, which is nearby equipped with, to be used to detect first that whether lock is engaged lid 11
Put sensor, lock 120 be nearby additionally provided with for detect lock whether the second place sensor being kept completely separate with lid 11.
When locking closure telescoping mechanism 123 extends completely, first and second stent 121,122 makes lock 120 against lid by rotating
Son 11 or container 1, while latch 120 limitation lids 11 and open.When locking closure telescoping mechanism 123 is shunk completely, first and second stent
121,122 release the limitation of 120 pairs of lids 11 of lock by rotating.
Lock 120 is that " u "-shaped section is rod-like structure, and outer circumferential surface of the container 1 close to the edge of lid 11 is fixed with and locks
Convex stupefied the 14 of the cooperation of button 120.First and second stent 121,122 is respectively fixed with limiting section 1201, when lock 120 is released to lid
During 11 limitation, limiting section 1201 limits first and second stent 121,122 corresponding with limiting section 1201 and rotates against container 1.
Fig. 8 is referred to, device for releasing closures 13 includes being connected the lever 131 of fixation and telescoping mechanism 132 of uncapping, lever with lid 11
131 other end and telescoping mechanism 132 of uncapping are hinged, and the other end and container 1 for telescoping mechanism 132 of uncapping are hinged.Uncap flexible
Mechanism 132 and locking closure telescoping mechanism 123 can use pneumatic cylinder, hydraulic cylinder or electric cylinder.Uncap telescoping mechanism 132 and locking closure
Telescoping mechanism 123 is all electrically connected with controller (not shown).Lid 11 or container 1 are externally provided with for the attached of the opening of detection container 1
It is near whether the infrared ray sensor (not shown) of someone, infrared ray sensor and controller are electrically connected.Controller is also filled with alarm
Put electrical connection.Lid 11, which is nearby equipped with, to be used to detect the third place sensor whether lid 11 covers container 1, near lid 11
Equipped with opening the 4th position sensor in place for detecting lid 11.
As someone near infrared ray sensor detects vessel port, at this moment open lid and be possible to hurt people
, even if therefore controller receive order of uncapping and will not send solution to locking closure telescoping mechanism 123, telescoping mechanism 132 of uncapping
Lock or signal of uncapping, meanwhile, controller sends signal to warning device, warning device is sent sound and/or light to remind personnel
Leave near lid, when there be nobody nearby for lid, controller first controls locking closure telescoping mechanism 123 to unlock, then control uncap it is flexible
Lid is opened by mechanism 132.Further controller can with the liquid level sensor in container, baroceptor, hydrostatic sensor,
When controller detects the gas for having water or superatmospheric in container, though controller receive order of uncapping will not be to
Locking closure telescoping mechanism 123, telescoping mechanism 132 of uncapping send unlock or letter of uncapping, while controller judge latch whether with lid
Separation, is, controls telescoping mechanism 132 of uncapping to uncap, otherwise sends signal alarm to warning device.Controller control, which is uncapped, stretches
After contracting mechanism 132 uncaps, controller judges whether lid 11 is opened in place, otherwise alarms.
When controller uncap telescoping mechanism 132 close lid after, controller first judges whether lid 11 covers container 1, be then to
Locking closure telescoping mechanism 123 sends locking closure signal, otherwise alarms.After locking closure telescoping mechanism 123 sends locking closure signal, controller judges
Whether lock is engaged lid 11, otherwise alarms.
Refer to Fig. 9, container 1 is towards offering an annular groove corresponding with 11 edge of lid on the end face of lid 11
15, sealing ring 16 is accommodated in annular groove 15；Being formed between the bottom of sealing ring 16 and annular groove 15 can be with high-pressure air source
The gas passage 160 of connection；When receiving is useful for the gases at high pressure of crush seal ring 16 in gas passage 160, sealing ring 16
Seal lid 11 and 1 end face of container.Preferably there is seal control valve 161, gas storage between gas passage 160 and high-pressure air source
Tank 162, check valve 163.Baroceptor is equipped with air accumulator 162.Seal control valve 161 and baroceptor are and controller
It is electrically connected.The purpose for setting air accumulator 162 is that high-pressure air source is first filled with high pressure gas into air accumulator through check valve, in gas passage
High pressure gas sealing ring can be pressed to the sealing that lid completes container and lid, subsequent high-pressure air source is filled with high pressure into container again
Gas.
Controller is for when air pressure is more than setting value in air accumulator 162, control seal control valve 161 to be opened to gas
Injection high pressure gas in passage 160, makes sealing ring 16 be moved towards 11 direction of lid, hermetically connects lid 11 and container 1.Sealing
The first sealing that there is a pair of 16 center of sealing ring backwards into " V " shape arrangement to extend for one end of the close lid 11 of ring 16 is stupefied
161, the first sealing stupefied 161 is used to increase container and lid backwards to 161 center deployment of sealing ring when sealing ring extrudes lid 11
Sealing area, while close to the first sealing stupefied 161 of container inside, due to receiving the mutual extruding of lid 11 and container 1
Power, the first sealing stupefied 161 are not easy, by the high pressure gas crimp in container 1, to form stable seal face.Sealing ring 16
There is a pair of the second sealing stupefied 162 towards recess sidewall extension into " V " shape arrangement, the second sealing backwards to one end of lid 11
Stupefied 162 for when accommodating gases at high pressure in gas passage 160, extruding the side wall of annular groove 15, and then is tightly connected ring
Connected in star side wall, 1 outer circumferential surface of container are fixed with convex annular stupefied 14 close to the edge of lid 11, and annular groove 15 is located at convex stupefied 14
On, convex stupefied 14 offer the air admission hole connected with gas passage 160 backwards to the one side of lid 11.Lid 11 holds when covering container 1
There is gap between device 1 and lid 11, be also more prone to make lid parallel with sealing ring, annular groove, such sealing ring 16 is in gas
When there are in body passage 160 gases at high pressure can with fully deformed, make the first sealing it is stupefied, second seal it is stupefied uniform under gas pressure
Extruding lid or annular groove.Sealing ring 16 is made of rubber.Annular groove side wall close to annular groove bottom width by
Gradually to the reduction in the middle part of annular groove.
Preferably, container 1 further include for gather in first chamber 1a and/or in second chamber 1b air pressure air pressure transmission
Sensor.
Refer to Figure 10,11, DPF mounting brackets 2 include retaining mechanism 21, mounting bracket bottom plate 22.Retaining mechanism 21 include with
Mounting bracket bottom plate 22 connect fixation connecting rod 211, reaction beam 212, compression bar 213, contact plate 214, positioned at DPF and mounting bracket bottom
Sealing adjustable plate 215 between plate 22.Mounting bracket bottom plate 22 includes plate body 221, ring-type frame 222, and plate body 221 has and DPF
Hole link through hole.
Reaction beam 212 is connected fixation with connecting rod 211, and reaction beam 212 and compression bar 213 are threadedly coupled, and compression bar 213 is used to lead to
The extruding of extruding contact plate 214 DPF is crossed hermetically to be connected with mounting bracket bottom plate 22.The quantity of connecting rod 211 is a pair, and a pair connects
Bar 211 is symmetrical arranged around DPF.Connecting rod 211 is cylindrical structural, and reaction beam 212, which offers, accommodates the logical of connecting rod 211
Hole, reaction beam 212 can be slided along 211 length direction of connecting rod.Reaction beam 212 is connected with holding section 2120,2120 He of holding section
Mating connection portion 2110 coordinates dismountable connection to fix, and connecting rod 211 is alongst equipped with multiple mating connection portions
2110.Mating connection portion 2110 is the annular recess that is opened up around 211 outer circumferential surface of connecting rod, in the present embodiment, holding section 2120
For the screw rod with that can be contained in annular recess, screw rod is threadedly coupled with reaction beam 212, and retaining mechanism 21 can extrude DPF shells
101st, the connection for sealing the sealing of ring-type frame 222 of adjustable plate 215 and mounting bracket bottom plate 22 is fixed.
One effect of sealing adjustable plate 215 is to be tightly connected DPF outer walls or DPF shells and bottom plate 22, the other is,
It is readily replaceable due to not being fixedly connected with bottom plate 22 to seal adjustable plate 215, can be easy when the size of DPF changes
Replacement sealing adjustable plate 215 to adapt to DPF.
Figure 12 is referred to, ring-type frame 222 is connected fixation, retaining mechanism 21 and mounting bracket bottom with 1 inner wall sealing of container
The connection of plate 22 is fixed, and certain retaining mechanism 21 can also be connected fixation with container 1.Retaining mechanism 21 is used to extrude DPF and installation
The connection that frame bottom plate 22 seals is fixed, and retaining mechanism 21 is connected fixation with mounting bracket bottom plate 22, and 1 inner wall of container is fixed with and installs
The sealing ring 220 that frame bottom plate 22 coordinates, mounting bracket bottom plate 22 are contained in the through hole and 220 fitted seal of sealing ring of sealing ring 220
Ground connection is fixed, and the through hole of sealing ring 220 is gradually reduced from one end close to DPF to the other end.Reaction beam 212 is fixedly connected with
Leg 2121；Leg 2121 is used to contact with 1 inner wall of container when DPF mounting brackets 2 are contained in container 1, to keep mounting bracket
The position of bottom plate 22 and sealing ring 220.
Refer to Figure 13,14,15, supersonic generator 3, including shake head mounting box 31 and be fixed in shake head mounting box 31
Multiple ultrasonic waves shake first 32 (ultrasonic oscillators), ultrasonic wave shake first 32 is contained in shake head mounting box 31.Shake head mounting box 31
First 32 are shaken including installation box plate 311, positioned at ultrasonic wave backwards to the mounting box top plate 312 for installing 311 side of box plate and is connected
Meet the mounting box connection wall 313 of installation box plate 311 and mounting box top plate 312, installation box plate 311,312 and of mounting box top plate
Mounting box connection wall 313 is made of stainless steel materials.Mounting box top plate 312 is fixed with the electricity for shaking first 32 for drawing ultrasonic wave
The wire connection terminal 314 of source line, wire connection terminal 314 pass through mounting box top plate 312.Mounting box top plate 312 offers oil filler point and row
Stomata, oil filler point and exhausting-gas hole are blocked by oil filler plug 315, venting plug 316.Oil filler point and exhausting-gas hole can also be opened in bottom plate or
In mounting box connection wall.Ultrasonic wave shakes first 32 and is fixed on by sound conduction gel on the installation box plate 311 of shake head mounting box 31.
Shake head mounting box 31 offers the adjusting mouth 30 sealed by flexible pressure balance plate 33.Pressure balance plate
33 are made of rubber.Adjust mouth 30 to be opened on mounting box top plate 312, pressure balance plate 33 is used to balance in shake head mounting box 31
Outer pressure, prevents installation box plate 311 has in container when gas pressure or liquid pressure from deforming, can protect ultrasound
(sound conduction gel is more crisp material, if the installation deformation of box plate 311 will for ripple shake first 32 and the connection of installation box plate 311
Ultrasonic wave shake head is caused to have very big loss).The outside of pressure balance plate 33 and the pressure communication of second chamber, shake head mounting box
Incompressible fluid is filled with 31, incompressible fluid is preferably adopted as the fluid of insulation, and incompressible fluid is more highly preferred to
It is adopted as silicone oil.Fluid is in flow process, the negligible flowing of its variable density, is known as potential flows.In this hair
Bright other embodiment adjusts mouth 30 and can also be opened in installation box plate 311 or mounting box connection wall 313.
Supersonic generator 3 can utilize cavitation, acceleration effect and direct flow effect of the ultrasonic wave in cleaning solution,
Cleaning solution and PM directly, are indirectly acted on, the PM in DPF ducts is disperseed, emulsified, is peeled off and then dredges DPF ducts.
Cavitation, when the Ultrasonic Radiation of strength is into liquid, cleaning solution is centered on static pressure (standard pressure)
It is changed, when below pressure to zero air pressure, the oxygen dissolved in a liquid can form micro-bubble core, and then produce countless near
The tiny holes (hole) of likelihood sky.The tiny holes during normal pressure of ultrasonic wave, broken, this hair is squeezed in adiabatic compression state
It is raw to squeeze the brute force attack ripple of broken moment, it can directly destroy pollutant and be allowed to be dispersed in liquid, form scavenging mechanism.In experiment
The cleaning action of this strength, can cut out aluminium foil within tens of seconds countless apertures.Cavitation makes liquid locally occur
High temperature and pressure (1000 air pressures, 5500 DEG C), then the stirring produced through vibration, promote the multiplication chemically or physically acted on, liquid is not
Disconnected ground emulsion dispersion, further promotes the speed of chemical reaction.
Acceleration effect, cleaning liquid are vibrated through Ultrasonic Radiation, fluid molecule, and this vibration acceleration is gravity
The decades of times of acceleration can peel off cleaning to hundreds times, by this strength acceleration to being carried out by the surface of PM.
Direct flow effect, the phenomenon that ultrasonic wave produces flowing along sonic propagation direction in a liquid are known as direct flow.Pass through
This direct flow is stirred micro- oil foulant on cleaned material surface, and the cleaning solution of fouled surfaces also produces convection current, dissolves the molten of PM
Solution liquid is mixed with new liquid, makes enhanced dissolution rate, the carrying to PM plays very big effect.
Filter 4 preferably uses film filter, and the core original paper of film filter is filter membrane, this is that one kind is prepared and held in micropore
Hold in the palm the film for being covered with more micro-pore on layer (supporter).The material for making filter membrane has very much, is divided into organic film (in such as polysulfones
Empty fiber membrane) and inoranic membrane.As filter elements, it is structurally characterized in that filtering layer is very thin to filter membrane, thus its filtration mechanism is main
It is to screen out effect, adsorption effect very little.The filtering accuracy of film filter is higher, and size controlling is more stable, and backwashes and hold
Easy restorability.For general solid suspension, it is trapped and (screens out) on the surface of film more than the PM of fenestra, due to conduct
The film of filtering layer is very thin, and cannot to these PM produce absorption, although supporting layer is relatively thick, its hole relative to fenestra compared with
Greatly, it is not enough to produce absorption.Effect is so only screened out, so being easy to backwash removing.Certain filter 4 can also select film
The filter of the outer type of filter.
The effect of pump 5 is that cleaning solution is injected into container.
Cleaning liquid source 6 is the water tank that can accommodate cleaning solution.Cleaning liquid source 6, which is communicated with the snorkel 61 upwardly extended, (please join
See Fig. 3), so when cleaning liquid source 6 supplements or discharges cleaning liquid source 6, snorkel 61 can be connected inside and outside cleaning liquid source 6, prevented
Only cleaning liquid source 6 is deformed or shaken.
Figure 16-18 are referred to, gas explosion quck-opening valve 7 specifically includes valve seat 71 and flap 72, and flap 72 includes first piston
721st, second piston 722 and the fixed first piston 721 of connection, the connecting pole 723 of second piston 722；Valve seat 71 includes accommodating the
First valve chamber 71a of one piston 721, the second valve chamber 71b for accommodating second piston 722 and separation the first valve chamber 71a and second
The partition plate 711 of valve chamber 71b, the first valve chamber 71a have exhaust outlet 712a and can be with the air inlets of 721 fitted seal of first piston
711a, connecting pole 723 pass through partition plate 711, and connecting pole 723 and partition plate 711 seal against each other, and second piston 722 is by the second valve chamber 71b
It is separated into valve opening chamber 711b and closes valve chamber 712b, valve opening chamber 711b is between valve chamber 712b and the first valve chamber 71a is closed, valve opening chamber
711b has valve opening mouth 7110, and closing valve chamber 712b has pass valve port 7120.Air inlet 711a is used for and accommodates the appearance of high pressure gas
Device 1 connects.Exhaust outlet 712a is used for and atmosphere.Valve port 7120 connects high pressure gas, valve opening mouth 7110 connects air gas explosion and opens soon for pass
Valve 7 is closed, otherwise the moment under the extruding of air inlet 711a of gas explosion quck-opening valve 7 opens.
Valve opening mouth 7110 is located at valve opening chamber 711b close to the end of partition plate 711, and it is remote positioned at valve chamber 712b is closed to close valve port 7120
From the end of partition plate 711.Valve opening mouth 7110 is used to close valve port 7120 by valve and high-pressure air source, atmosphere respectively and be used to divide
Do not pass through valve and high-pressure air source, atmosphere.Air inlet 711a is equipped with cricoid sealing 73.First piston 721 and sealing
The surface of 73 contacts is sphere or inclined-plane, and first piston 721 coordinates closure air inlet 711a with sealing 73.
Figure 19 is referred to, first piston 721 is contacted with 73 face of sealing or line is engaged blocks air inlet 711a.First
Piston 721 is the taper type structure being gradually reduced backwards to 722 section of second piston, and sealing 73 is close to the end of second piston 722
The sealing 73 that portion is become larger for section has the opening of taper type cavity, be open close to 722 one side edge of second piston with
When 721 line of first piston contacts, there is gap between opposite side and second piston 722, even if at this moment in order to ensure first piston
721 with sealing 73 not absolute parallel (being limited by machining accuracy) in the case of sealing 73 being capable of fully deformed and first piston
Relatively good sealing effect is realized in 721 contacts.
The area of further second piston 722 is more than the internal diameter of sealing 73, so when pass valve chamber and pressure in container
In the case of identical, the gas pressure that second piston is subject to can be more preferable more than the pressure seal effect that first piston is subject to.
The effect of gas explosion quck-opening valve be filled with container setting pressure gas after moment the pressure in container is down to
Atmospheric pressure, the gas in the PM gaps of DPF ducts expand suddenly, and gas explosion occurs, the PM in DPF ducts is crushed and is peeled off, together
When be tightly connected due to outer wall and the container of DPF, the pressure in second chamber can reduce moment, the high pressure gas meeting in first chamber
High-speed flow is formed in DPF ducts, high-speed flow can carry out the PM in DPF ducts, while the PM that high-speed flow carries
Remaining PM in DPF ducts is produced and collides, extrude, rubbing, further broken or stripping PM.The PM that gas explosion separates is through removing
Capture is intercepted by dedusting muffler 8 during dirt muffler 8.
Refer to Figure 20-21, dedusting muffler 8 include lid 81, outer layer cloth bag 82, internal layer cloth bag 83, in 81 and of lid
The supporting sleeve 85 that cloth bag connection wall 84 and cloth bag connection wall between outer layer cloth bag 82 are detachably connected, lid 81 seals outer
The layer opening of cloth bag 82 forms cavity 80, and internal layer cloth bag 83 is located in cavity 80, and outer layer cloth bag 82 and cloth bag connection wall 84 are hermetically
It is detachably connected.Lid 81 offers the gas vent 811 being tightly connected with the opening of internal layer cloth bag 83, and cavity 80 is used for and gas explosion
7 connections of quck-opening valve.Gas in cavity 80 passes through outer layer cloth bag 82, internal layer cloth bag 83 and atmosphere.Cloth bag connection wall 84
Offer and 7 gas accesses 841 being connected of gas explosion quck-opening valve.Outer layer is accommodated respectively in outer layer cloth bag 82, internal layer cloth bag 83
Support cages 821, internal layer support cages 831, outer layer support cages 821, internal layer support cages 831, be respectively used to prevent outer layer cloth bag 82,
Internal layer cloth bag 83 deforms, and ensures the volume of cavity 80.Lid 81 is fixed with the connecting tube through lid 81 as gas vent
811, connecting tube is connected fixation with internal layer cloth bag 83.Internal layer cloth bag 83 and outer layer cloth bag 82 are cylindrical shape bag shaped structure.Outer cloth
Bag 82, internal layer cloth bag 83 are made of Water-proof breathable fabric.The gas of gas explosion can absorb making an uproar for gas explosion when passing through dedusting muffler
Sound, reaches the technique effect of noise reduction.
Supporting sleeve 85 offers multiple through holes.Internal layer cloth bag 83 and outer layer cloth bag 82 are used to prevent water and PM to be discharged into greatly
Gas.
Figure 23 is referred to, the specific connection relation on cleaning solution part of DPF cleaning plants is：First chamber 1a, the
Two chamber 1b are connected by liquid feed valve FA1, liquid feed valve FA2 and pump 5, cleaning liquid source inlet valve FE, cleaning liquid source 6 respectively, and first
Chamber 1a, second chamber 1b connected by tapping valve FB1, tapping valve FB2 and filter 4 and cleaning liquid source 6 respectively, is pumped 5 and is gone out
Liquid mouth is connected through backwash valve FC with the liquid outlet of filter 4, and the inlet of filter 4 is connected with the waste liquid with waist valve FD
Delivery pipe.
Cleaning liquid source inlet valve FE is opened under normal operation, and waist valve FD, backwash valve FC are closed, and filter 4 is used
Come from the PM of container 1 in interception or capture.Liquid feed valve FA1, liquid feed valve FA2, tapping valve FB1, tapping valve are closed by opening fire
FB2, pump 5, supersonic generator 3, there is a variety of methods DPF is cleared up.
When the filter screen in filter 4 or filter membrane block more serious, waist valve FD, backwash valve can be opened
FC, closes cleaning liquid source inlet valve FE, tapping valve FB1, tapping valve FB2, filter 4 is carried out in backwash dredging filter 4
Filter membrane.
Preferable first chamber 1a and/or second chamber 1b is connected with the container venting tube upwardly extended by air bleeding valve,
To guarantee to inject cleaning solution into container.Air bleeding valve can be used as using gas explosion quck-opening valve.
Liquid level sensor is equipped with preferable first chamber 1a and/or second chamber 1b and/or cleaning liquid source 6, so may be used
To know the cleaning solution liquid level in first chamber 1a and/or second chamber 1b and/or cleaning liquid source 6.
It should be noted that cleaning liquid source inlet valve FE is not required to set, it is not provided with cleaning liquid source inlet valve FE and only can
The cleaning fluid pressure into filter 6 is caused to have loss.
In one embodiment of the invention, only second chamber 1b is directly connected or only through tapping valve FB2 with filter 4
One chamber 1a is directly connected through tapping valve FB1 with filter 4.
In one embodiment of the invention, only first chamber 1a is directly through liquid feed valve FA1 and pump connection or only the second chamber
Room 1b is directly connected through liquid feed valve FB2 and pump.
The specific connection relation on gas part of DPF cleaning plants is：Container 1, gas explosion quck-opening valve 7, dedusting noise reduction
Device 8, air are contacted successively.Container 1 is additionally operable to connect with high-pressure air source, and high-pressure air source connection can be steam boiler, air pressure
Contracting machine or compressed air reservoir, high pressure gas are air, steam or steam and the gaseous mixture of air.
There is intake valve between first chamber 1a and/or second chamber 1b and high-pressure air source.Preferable container 1, gas explosion are fast
Quieter material layer or sound-absorbing material layer can be set outside valve opening 7 and the pipeline being attached thereto.
In one embodiment of the invention, gas explosion quck-opening valve 7 is connected by deduster with air.Gas explosion quck-opening valve 7 is logical
Muffler is crossed to be connected with air.
Figure 24 is referred to, ultrasonic wave hair is not provided with the DPF cleaning plants based on gas explosion of second embodiment of the invention
Raw device, filter, pump, container 1 are hingedly fixed with lock 120 ' outside, have between lock 120 ' and container 1 and are used to keep lock to lean on
The torsional spring that nearly container 1 is open, the upper surface of lock is inclined-plane, has sealing structure, the outer wall at DPF both ends between lid 11 and container
Also there is sealing structure between container 1, container 1 is set by vertical direction, and gas explosion quck-opening valve 7 is through deduster and atmosphere.
Figure 25 is referred to, gas is not provided with the DPF cleaning plants based on ultrasonic cleaning of third embodiment of the invention
Quick-fried quick opening valve and dedusting muffler, pump include container 1 and lid 11, and wherein lid 11 is located at the middle part of container 1.Container 1 is horizontal
Direction sets lid 11 hinged with container 1, and lock 120 ' is hingedly fixed with outside container 1, has between lock 120 ' and container 1 and is used for
The torsional spring for keeping lock to be open close to container 1, the upper surface of lock is inclined-plane, has sealing structure, DPF between lid 11 and container
Also there is sealing structure between the outer wall and container 1 at both ends, can not have shell outside DPF, cleaning liquid source 6 there can be pressure originally
Water, certain cleaning liquid source can also be river water.Filter 4 is selected from active carbon filter, and the cleaning solution after filter 4 filters can be with
Plumbing drain is discharged into, can also be discharged into when the cleaning solution after filtering is completely pollution-free in rainwater pipeline or river, lake.
Figure 26 is referred to, holding section 2120 is the card for the arc that can be partially received in annular recess in other embodiments
Button, holding section 2120 and reaction beam.
The DPF method for cleaning based on ultrasonic cleaning of first embodiment of the invention, comprises the following steps：
DPF, be placed in the container of sealing by A1, wherein, the outer wall of DPF is tightly connected container inner wall, and container is separated by DPF
Into first chamber and second chamber；
A2, inject cleaning solution into container, until first chamber or second chamber cleaning liquid inside reach setting liquid level or set
Determine hydraulic pressure, cleaning solution is injected into container, can cleaning solution be injected into first chamber or at the same time to first chamber and second
Injection cleaning solution in chamber；
A3, open supersonic generator, cleans DPF；
A4, close supersonic generator, discharges the indoor cleaning solution of first and second chamber, specific to discharge in first and second chamber
Cleaning solution can be the cleaning solution first discharged in second chamber, the cleaning solution being then exhausted from first chamber or discharge the at the same time
First, the indoor cleaning solution of two chambers；
A5, open container, takes out the DPF after cleaning.
Preferably after step A3, it is further comprising the steps of before step A4：A31, keep supersonic generator 3 to open, and holds
Cleaning solution in continuous discharge second chamber 1b, while cleaning solution is persistently injected into first chamber.
It is preferred that step A31 include second chamber discharge cleaning solution inject after filtering in first chamber 1a.
It is preferred that step A4 after further include：Repeated several times step A2, A3, A4.
In the present embodiment when supersonic generator 3 is opened, the cleaning solution in second chamber 1b is persistently discharged, while to
Persistently inject cleaning solution in first chamber 1a, the wash liquid stream in DPF ducts is to discharging after second chamber, and wash liquid stream is to second
The process one side formation current carrying of chamber will be suspended in PM in DPF ducts and take out of, on the other hand be filled into DPF ducts clear
Clean cleaning solution forms more preferable cleaning performance.
The DPF method for cleaning based on gas explosion of second embodiment of the invention, comprises the following steps：
DPF, be placed in the container 1 of sealing by B1, and the outer wall of DPF is tightly connected 1 inner wall of container, and container 1 is separated into by DPF
First chamber 1a and second chamber 1b；
B2, inject high pressure gas into container, until first and second chamber room pressure reaches setting atmospheric pressure value；
B3, quickly open second chamber, makes to be attached to the PM in DPF and gas explosion disengaging DPF occurs, produced after preferable gas explosion
PM gaseous mixtures air is discharged into after dust removal process, gas explosion process is handled through noise reduction；
B4, open container, takes out DPF.
It is preferred that step B3, B4 between further include：Repeated several times step B2, B3.
High pressure gas is injected into container can be while inject high pressure gas into first and second chamber；Injected into container 1 high
Calming the anger preferably, injection high pressure gas is so when DPF blockage ratios are more serious using into first chamber, the gases at high pressure of first chamber
Air-flow can be formed during second chamber by, which flowing to, carries PM in the DPF ducts of part, and the selection being more highly preferred to is first to first chamber
Injection gases at high pressure in 1a, the interior injection gases at high pressure of backward second chamber, the gases at high pressure of first chamber flow to second chamber mistake
Cheng Zhonghui forms air-flow and carries PM in the DPF ducts of part when first and second chamber pressure force difference is bigger, and effect is good, first,
When the pressure of two chambers is smaller at this moment the rate of pressure rise of second chamber slowly injects gases at high pressure energy into second chamber
Enough shorten the time, while ensure the pressure of second chamber.
In the present embodiment, the PM gaseous mixtures that gas explosion process produces after noise reduction processing and gas explosion are discharged into after dust removal process
Air, has the advantages that sound is small, free of contamination.
The DPF method for cleaning of third embodiment of the invention, comprises the following steps：
DPF, be placed in the container of sealing by C1, wherein, the outer wall of DPF is tightly connected container inner wall, and container is separated by DPF
Into first chamber and second chamber；
C2, inject cleaning solution into container, until first chamber or second chamber cleaning liquid inside reach setting liquid level or set
Determine hydraulic pressure；Cleaning solution is penetrated into the duct of DPF in this course, is contacted with the PM in duct, and a part of PM can be with duct point
From into first chamber or second chamber.
C3, open supersonic generator, cleans DPF；
C4, close supersonic generator, discharges the indoor cleaning solution of first and second chamber；
C5, inject into container, until first and second chamber room pressure reaches setting atmospheric pressure value；
C6, quickly open second chamber, makes to be attached to the PM in DPF and gas explosion disengaging DPF occurs；
C7, open container, takes out DPF.
Due to quick-fried in the discharge laggard promoting the circulation of qi of cleaning solution in the present embodiment, containing being largely vaporized in high pressure gas during gas explosion
Cleaning solution, and the density ratio air of cleaning solution is big, extraordinary remaining PM can be peeled off from DPF ducts and taken out of further
DPF ducts are dredged, while cleaning solution is gasified and taken out of using the gas of high speed injection, dry the DPF after cleaning.
The DPF method for cleaning of fourth embodiment of the invention, comprises the following steps：
DPF, be placed in the container of sealing by D1, wherein, the outer wall of DPF is tightly connected container inner wall, and container is separated by DPF
Into first chamber and second chamber；
D2, inject high pressure gas into container, until first and second chamber room pressure reaches setting atmospheric pressure value, such as 0.6Mpa-
1.0Mpa；
D3, quickly open second chamber, makes to be attached to the PM in DPF and gas explosion disengaging DPF occurs；
D4, inject cleaning solution into container, until first chamber or second chamber cleaning liquid inside reach setting liquid level or set
Determine hydraulic pressure；
D5, open supersonic generator, cleans DPF；
D6, close supersonic generator, discharges the indoor cleaning solution of first and second chamber；
D7, open container, takes out DPF.
Step D4 is carried out again after preferable repeated several times step D2, D3, and step D2, D3 row can be carried out after step D6
Go out the water drying DPF in DPF.
It is more highly preferred to, DPF method for cleaning includes：High pressure gas in step D2, first into first chamber, controller obtain the
First, the actual pressure difference or draught head curve of two chambers, compares the Standard Gases pressure difference or draught head curve of the DPF dredged completely,
Standard Gases pressure difference/actual pressure difference can embody the stopping state of DPF, and Standard Gases pressure difference/actual pressure difference is more than a certain
During standard, such as 0.9,0.95 can stop follow-up cleaning, otherwise continue gas explosion；Reality is obtained in adjacent gas explosion twice
When draught head or very close draught head curve, it is possible to think gas explosion effect unobvious, at this moment carry out follow-up ultrasound again
Ripple cleans；
In step D5, during ultrasonic cleaning, continue into first chamber injection with certain pressure cleaning solution,
And the fluid pressure in first chamber is kept, at this moment controller can be obtained by the actual liquid pressure of first chamber and second chamber
Force difference, the normal fluid pressure differential for the DPF that same control is dredged completely, when normal fluid pressure differential/actual liquid pressure differential
Numerical value when reaching a certain standard, such as 0.9,0.95 can stop follow-up cleaning, stop the work of supersonic generator,
Otherwise continue to clean, within the unit interval actual liquid pressure differential slippage be less than setting slippage when, after
Continuous step 5, is hereafter further continued for step D2 to step D7.
In the present embodiment, ultrasonic cleaning is carried out to DPF after clearing up DPF gas explosions, can first be dredged by gas explosion absolutely
Most duct, when DPF blocks serious, gas explosion is more preferable than the effect of sonic cleaning to the cleaning effect of PM, after gas explosion
The duct dredging successor of DPF so remain a part of PM, cleaning solution is at this moment injected into the duct of DPF again can allow cleaning solution
Come into full contact with PM, to realize more preferable ultrasonic cleaning effect.
More than, only it is presently preferred embodiments of the present invention, not makees limitation in any form to the present invention, although this
Invention is disclosed above with preferred embodiment, but is not limited to the present invention, any person skilled in the art,
Do not depart from the range of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent
The equivalent embodiment of change, as long as being without departing from technical solution of the present invention content, the technical spirit according to the present invention is real to more than
Any simple modification, equivalent variations and the modification that example made are applied, in the range of still falling within technical solution of the present invention.
Claims (10)
- A kind of 1. DPF cleaning plants based on gas explosion, it is characterised in that including contact successively container, gas explosion quck-opening valve and remove Dirt muffler, the container are used to connect with high-pressure air source, and the dedusting muffler includes lid, outer layer cloth bag and inner-layer cloth Bag, the lid seal the outer layer cloth bag opening shape and are located at into cavity, the internal layer cloth bag in the cavity, which opens up There is the gas vent being tightly connected with the internal layer cloth bag opening, which is used to connect with gas explosion quick opening valve.
- 2. DPF cleaning plants according to claim 1, it is characterised in that the gas in the cavity passes through the outer layer Cloth bag, the internal layer cloth bag and atmosphere.
- 3. DPF cleaning plants according to claim 1, it is characterised in that the lid is in the lid and the outer cloth Cloth bag connection wall is fixed between bag, the cloth bag connection wall offers the gas access being connected with the gas explosion quick opening valve.
- 4. DPF cleaning plants according to claim 3, it is characterised in that the dedusting muffler further includes and the cloth The supporting sleeve that bag connection wall is detachably connected, the supporting sleeve offer multiple through holes.
- 5. DPF cleaning plants according to claim 1, it is characterised in that the outer layer cloth bag and the cloth bag connection wall Hermetically it is detachably connected.
- 6. DPF cleaning plants according to claim 1, it is characterised in that divide in the outer layer cloth bag, the internal layer cloth bag Outer layer support cages, internal layer support cages are not accommodated, and the outer layer support cages, the internal layer support cages are respectively used to prevent the outer layer Cloth bag, internal layer cloth bag deformation.
- 7. DPF cleaning plants according to claim 6, it is characterised in that the lid is fixed with through the lid Connecting tube, the connecting tube are connected fixation with the internal layer cloth bag.
- 8. DPF cleaning plants according to claim 1, it is characterised in that the internal layer cloth bag and the outer layer cloth bag are Cylindrical shape bag shaped structure.
- 9. DPF cleaning plants according to claim 1, it is characterised in that the internal layer cloth bag and the outer layer cloth bag are Water-proof breathable fabric is made.
- 10. the DPF cleaning plants according to any one in claim 1-9, it is characterised in that the internal layer cloth bag and institute Outer layer cloth bag is stated to be used to prevent water and PM to be discharged into air.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711071428.5A CN107900023B (en) | 2017-11-03 | 2017-11-03 | DPF cleaning device based on gas explosion |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711071428.5A CN107900023B (en) | 2017-11-03 | 2017-11-03 | DPF cleaning device based on gas explosion |
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| Publication Number | Publication Date |
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| CN107900023A true CN107900023A (en) | 2018-04-13 |
| CN107900023B CN107900023B (en) | 2023-12-22 |
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| CN201711071428.5A Active CN107900023B (en) | 2017-11-03 | 2017-11-03 | DPF cleaning device based on gas explosion |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109764742A (en) * | 2018-11-27 | 2019-05-17 | 宁波亚洲浆纸业有限公司 | A kind of processing method of pipeline deposit adhesion object |
| CN112974444A (en) * | 2018-07-26 | 2021-06-18 | 李荣涛 | Use method of air explosion cleaning equipment for columnar garbage can |
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| Publication number | Publication date |
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| CN107900023B (en) | 2023-12-22 |
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