CN207709473U - A kind of DPF cleaning plants - Google Patents

Abstract

The utility model provides a kind of DPF cleaning plants, lid including container and for sealing the container, supersonic generator and the drain pipe with tapping valve are provided in the container, the DPF may be housed in the container and the outer wall of the DPF is removably tightly connected the container inner wall, the container contents are received when having DPF, the container is separated into first chamber and second chamber by DPF, the container is connected to high-pressure air source by intake valve, the second chamber can be connected by gas explosion quck-opening valve with air, the first chamber is connected by liquid feed valve with cleaning liquid source.The DPF cleaning plants dredge the duct in DPF by gas explosion and ultrasonic cleaning.

Description

A kind of DPF cleaning plants

Technical field

The utility model is related to automotive field, especially a kind of DPF cleaning plants.

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 mounted in Diesel Engine Exhaust Pipe, and when exhaust passes through, PM is absorbed and filter by filter core.But with the increase of working time, filter core Internal PM increases, and causes exhaust back pressure to increase, 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.

It refers to Fig. 1 notification numbers CN1920267B and discloses a kind of DPF diesel particulate filters 40 and caught for integral particulate Collection, and include alternate enclosed slot/channel 50 and enclosed slot/channel 52.Exhaust gas, such as by engine generate those of exhaust gas, Into accumulating the end seal closed walk 50 of particulate matter 54 and spilt out from open channel 52.Stopple 56 is used for sealing channel 50,52 terminal.The wall 58 of diesel particulate filter 40 is preferentially made of the cellular wall of the porous ceramics of strip material.Cigarette ash Particle 59 is flowed into diesel particulate filter and is 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 It method as the increase of DPF working times to be increasingly difficult to regenerate, DPF is blocked serious and caused tail gas that can not discharge, at this moment A kind of device that can clear up DPF just is needed, dredges the small duct in DPF.

Utility model content

The purpose of the utility model is to provide a kind of DPF cleaning plants, can dredge the duct in DPF.

In order to achieve the above-mentioned advantages, the utility model provides a kind of DPF cleaning plants, including container and for sealing the container Lid, be provided with supersonic generator and the drain pipe with tapping valve in the container, the DPF may be housed in the appearance In device and the outer wall of the DPF is removably tightly connected the container inner wall, and the container contents are received when having DPF, described Container is separated into first chamber and second chamber by DPF, and the container is connected to high-pressure air source, second chamber by intake valve Room can be connected by gas explosion quck-opening valve with air, and the first chamber is connected by liquid feed valve with cleaning liquid source.

DPF cleaning plants in the present invention can dredge the duct in DPF by gas explosion and ultrasonic cleaning.

Description of the drawings

Fig. 1 show the structural schematic diagram of existing DPF.

Fig. 2 show the structural schematic diagram of the DPF cleaning plants of the utility model first embodiment.

Fig. 3 show the structural schematic diagram of the second direction of the DPF cleaning plants of Fig. 2.

Fig. 4 show the structural schematic 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. 4.

Fig. 8 show the partial enlarged view at the B of Fig. 5.

Fig. 9 show the partial enlarged view at the C of Fig. 6.

Figure 10 show the structural schematic 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 structural schematic 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 structural schematic 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 structural schematic 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 structural schematic diagram of the DPF cleaning plants based on gas explosion of the utility model second embodiment.

Figure 25 show the structural representation of the DPF cleaning plants based on ultrasonic cleaning of the utility model 3rd embodiment Figure.

Figure 26 show the structural schematic diagram of the DPF mounting brackets of the utility model fourth embodiment.

Specific implementation mode

Further to illustrate that the utility model is to reach the technological means and effect that predetermined purpose of utility model is taken, Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes specific implementation mode, structure, feature and its effect, It is described in detail as after.

Please refer to FIGS.2-5, the DPF cleaning plants of the utility model first embodiment, for clearing up DPF100, the DPF Cleaning plant includes container 1, DPF mounting brackets 2, supersonic generator 3, filter 4, pump 5, cleaning liquid source 6, gas explosion quck-opening valve 7 With dedusting muffler 8, wherein DPF mounting brackets 2 and supersonic generator 3 are contained in container 1, container 1,7 and of gas explosion quck-opening valve Dedusting muffler 8 is contacted successively；Container 1, filter 4, cleaning liquid source 6, pump 5, container 1 are contacted successively, in addition, pump 5 goes out liquid Mouth is connect with the liquid outlet of filter 4.

Fig. 6 is referred to, specific container 1 is located at 6 top of cleaning liquid source, and but not limited to this.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 it is hinged.Lid 11 is located at the one of first chamber 1a End.

Fig. 7 is referred to, locking closure device 12 is stretched including first support 121, second support 122, locking closure telescoping mechanism 123, locking closure 123 both ends of contracting mechanism are hinged with first support 121,122 end of second support respectively, and 121,122 middle part of the first and second holder is respectively Hinged with container 1, the first and second holder 121,122 is respectively fixed with backwards to the end of locking closure telescoping mechanism 123 for limiting lid 11 locks 120 opened.Further lock 120 is nearby passed equipped with the first position for whether being engaged lid 11 for detecting lock Sensor, lock 120 nearby be additionally provided with for detect latch whether the second position sensor being kept completely separate with lid 11.

When locking closure telescoping mechanism 123 extends completely, the first and second holder 121,122 makes lock 120 against lid by rotation Son 11 or container 1, while latching 120 limitation lids 11 and opening.When locking closure telescoping mechanism 123 is shunk completely, the first and second holder 121,122 release the limitation of 120 pairs of lids 11 of lock by rotating.

It is rod-like structure that lock 120, which is " u "-shaped section, and peripheral surface of the container 1 close to the edge of lid 11 is fixed with and locks Convex stupefied the 14 of 120 cooperation of button.First and second holder 121,122 is respectively fixed with limiting section 1201, when lock 120 is released to lid When 11 limitation, limiting section 1201 limits first and second holder 121,122 corresponding with limiting section 1201 and rotates against container 1.

Fig. 8 is referred to, device for releasing closures 13 includes the lever 131 being connected and fixed with lid 11 and telescoping mechanism 132 of uncapping, lever 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.It uncaps flexible Pneumatic cylinder, hydraulic cylinder or electric cylinder may be used in mechanism 132 and locking closure telescoping mechanism 123.It uncaps telescoping mechanism 132 and locking closure is stretched Contracting mechanism 123 is all electrically connected with controller (not shown).Lid 11 or container 1 are externally provided near the opening of detection container 1 Whether the infrared sensor (not shown) of someone, infrared sensor and controller electrical connection.Controller also with warning device Electrical connection.Lid 11 is nearby equipped with the third place sensor that container 1 whether is covered for detecting lid 11, and lid 11 is nearby set It is useful for the 4th position sensor of detection lid 11 opening in place.

As someone near infrared sensor detects vessel port, at this moment opens lid and be possible to hurt people , therefore controller will not send out solution even if receiving of uncapping order to locking closure telescoping mechanism 123, telescoping mechanism 132 of uncapping It locks or signal of uncapping, meanwhile, controller sends out signal to warning device, and warning device is made to send out sound and/or light to remind personnel Leave near lid, when there be nobody nearby for lid controller first control locking closure telescoping mechanism 123 unlock, then control uncap it is flexible Lid is opened by mechanism 132.Further controller can with liquid level sensor, baroceptor, the hydrostatic sensor in container, When controller detects the gas for having water or superatmospheric in container, controller will not be to receiving and uncapping order Locking closure telescoping mechanism 123, telescoping mechanism 132 of uncapping send out unlock or letter of uncapping, while controller judge latch whether with lid Separation is to control telescoping mechanism 132 of uncapping to uncap, and otherwise sends out 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 out locking closure signal, otherwise alarms.After locking closure telescoping mechanism 123 sends out 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 sealing ring 16 and the bottom of annular groove 15 can be with high-pressure air source The gas passage 160 of connection；When receiving is useful for the high pressure gas of crush seal ring 16 in gas passage 160, sealing ring 16 Seal lid 11 and 1 end face of container.Preferably there is between gas passage 160 and high-pressure air source seal control valve 161, air accumulator 162, check valve 163.Baroceptor is equipped in air accumulator 162.Seal control valve 161 and baroceptor are electric with controller Connection.The purpose that air accumulator 162 is arranged is that high-pressure air source is first filled with high pressure gas into air accumulator through check valve, in gas passage Sealing ring can be pressed to the sealing that lid completes container and lid by high pressure gas, and subsequent high-pressure air source is filled with high pressure into container again Gas.

Controller is for when air pressure is greater than the set value in air accumulator 162, control seal control valve 161 to be opened logical to gas High pressure gas is injected in road 160, sealing ring 16 is made to be moved towards 11 direction of lid, hermetically connects lid 11 and container 1.Sealing ring One end of 16 close lid 11 has a pair of the first sealing stupefied 161 extended backwards to 16 center of sealing ring at " V " shape arrangement, First sealing stupefied 161 is for backwards to 161 center deployment of sealing ring, increasing the close of container and lid when sealing ring squeezes lid 11 Cover accumulates, while close to the first sealing stupefied 161 of container inside, due to receiving the mutual extruding force of lid 11 and container 1, the One sealing stupefied 161 is not easy, by the high pressure gas crimp in container 1, to form stable seal face.Sealing ring 16 is backwards One end of lid 11 has a pair of the second sealing stupefied 162 extended towards recess sidewall at " V " shape arrangement, the second sealing stupefied 162 for when accommodating high pressure gas in gas passage 160, squeezing the side wall of annular groove 15, and then is tightly connected annular Recess sidewall, 1 peripheral surface of container are fixed with convex annular stupefied 14 close to the edge of lid 11, and annular groove 15 is located on convex stupefied 14, Convex stupefied 14 offer the air admission hole being connected to gas passage 160 on one side backwards to lid 11.Container 1 when lid 11 covers container 1 There is gap between lid 11, be also more prone to keep lid parallel with sealing ring, annular groove, such sealing ring 16 is logical in gas Having in road 160 can make the first sealing is stupefied, the second sealing is stupefied uniformly to squeeze under gas pressure when high pressure gas with fully deformed Gland or annular groove.Sealing ring 16 is made of rubber.Annular groove side wall close to annular groove bottom width gradually to Reduction in the middle part of annular groove.

Preferably, container 1 further include for acquire in first chamber 1a and/or in second chamber 1b air pressure air pressure sensing Device.

Refer to Figure 10,11, DPF mounting brackets 2 include retaining mechanism 21, mounting bracket bottom plate 22.Retaining mechanism 21 include with Connecting rod 211 that mounting bracket bottom plate 22 is connected and fixed, compression bar 213, contact plate 214, is located at DPF and mounting bracket bottom at reaction beam 212 Sealing adjustable plate 215 between plate 22.Mounting bracket bottom plate 22 includes plate body 221, cyclic annular frame 222, and plate body 221 has and DPF Hole link through-hole.

Reaction beam 212 is connected and fixed with connecting rod 211, and reaction beam 212 and compression bar 213 are threadedly coupled, and compression bar 213 is for leading to The extruding of extruding contact plate 214 DPF is crossed hermetically to connect with mounting bracket bottom plate 22.The quantity of connecting rod 211 is a pair, a pair of connection Bar 211 is symmetrical arranged around DPF.Connecting rod 211 is cylindrical structure, 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, which coordinates, to be removably connected and fixed, and connecting rod 211 is alongst equipped with multiple mating connection portions 2110.Mating connection portion 2110 is the annular recess opened up around 211 peripheral surface of connecting rod, in the present embodiment, holding section 2120 For with the screw rod that can be contained in annular recess, screw rod is threadedly coupled with reaction beam 212, and retaining mechanism 21 can extrude DPF shells 101, being connected and fixed for the sealing of cyclic annular frame 222 of adjustable plate 215 and mounting bracket bottom plate 22 is sealed.

One of adjustable plate 215 effect of sealing be tightly connected DPF outer walls or DPF shells and bottom plate 22, the other is, it is close It is readily replaceable due to not being fixedly connected with bottom plate 22 to seal adjustable plate 215, it, can be easy when the size of DPF changes Sealing adjustable plate 215 is replaced to adapt to DPF.

Figure 12 is referred to, cyclic annular frame 222 is connected and fixed with 1 inner wall sealing of container, retaining mechanism 21 and mounting bracket bottom Plate 22 is connected and fixed, and certain retaining mechanism 21 can also be connected and fixed with container 1.Retaining mechanism 21 is for squeezing DPF and installation What frame bottom plate 22 sealed is connected and fixed, and retaining mechanism 21 is connected and fixed 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 is connected and 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 Stabilizer blade 2121；Stabilizer blade 2121 when DPF mounting brackets 2 are contained in container 1 with 1 inner wall of container for contacting, to keep mounting bracket The position of bottom plate 22 and sealing ring 220.

It refers to Figure 13,14,15, supersonic generator 3, including shake head mounting box 31 and is fixed in shake head mounting box 31 Multiple ultrasonic waves shake head 32 (ultrasonic oscillator), ultrasonic wave shake head 32 is contained in shake head mounting box 31.Shake head mounting box 31 Backwards to the mounting box top plate 312 of 311 side of installation box plate and connect including installation box plate 311, positioned at ultrasonic wave shake head 32 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 power supply that head 32 is shaken for drawing ultrasonic wave The connecting terminal 314 of line, connecting terminal 314 pass through mounting box top plate 312.Mounting box top plate 312 offers oil filler point and exhaust Hole, oil filler point and gas vent are blocked by oil filler plug 315, venting plug 316.Oil filler point and gas vent can also be opened in bottom plate or peace In mounted box connection wall.Ultrasonic wave shakes head 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 It is made of rubber.It adjusts mouth 30 to be opened on mounting box top plate 312, pressure balance plate 33 is for balancing inside and outside shake head mounting box 31 Pressure, prevent installation box plate 311 in container have gas pressure or liquid pressure when deform, ultrasonic wave can be protected to shake First 32 (sound conduction gel is more crisp material, if the installation deformation of box plate 311 will cause with the connection of installation box plate 311 Ultrasonic wave shake head has very big loss).The pressure communication in pressure balance plate 33 outside and second chamber, shakes in head mounting box 31 Filled with incompressible fluid, incompressible fluid is preferably adopted as the fluid of insulation, and incompressible fluid is more highly preferred to use For silicone oil.Fluid is in flow process, the negligible flowing of variable density, referred to as potential flows.It is new in this practicality Type 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, makes the PM in the ducts DPF by dispersion, emulsification, remove and then dredge the ducts DPF.

Cavitation, in the Ultrasonic Radiation to liquid of strength, 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 generate countless close The tiny holes (hole) of likelihood sky.The tiny holes when normal pressure of ultrasonic wave are squeezed broken, this hair in adiabatic compression state It is raw directly to destroy pollutant in the brute force attack wave for squeezing broken moment 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 through vibration generation, promote the multiplication chemically or physically acted on, liquid is not Disconnected ground emulsion dispersion, further promotes the rate 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 be to being carried out stripping cleaning by this strength acceleration to hundreds times by the surface of PM.

Direct flow effect, ultrasonic wave generate the phenomenon that flowing referred to as direct flow along sonic propagation direction in a liquid.Pass through This direct flow makes micro- oil foulant on cleaned material surface be stirred, and the cleaning solution of fouled surfaces also generates convection current, dissolves the molten of PM Solution liquid is mixed with new liquid, makes enhanced dissolution rate, prodigious effect is played to the carrying of PM.

Filter 4 preferably uses membrane filter, and the core original paper of membrane filter is filter membrane, this is that a kind of prepare is 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 membrane 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, due to conduct more than the PM of fenestra The film of filtering layer is very thin, and cannot to these PM generate absorption, although supporting layer is relatively thick, its hole relative to fenestra compared with Greatly, it is not enough to generate absorption.Effect is only screened out in this way, 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), in this way when cleaning liquid source 6 supplements or cleaning liquid source 6 is discharged, snorkel 61 can be connected to inside and outside cleaning liquid source 6, be prevented The only deformation of cleaning liquid source 6 or vibrations.

Figure 16-18 is referred to, gas explosion quck-opening valve 7 specifically includes valve seat 71 and flap 72, and flap 72 includes first piston 721, second piston 722 and be connected and fixed first piston 721, second piston 722 connecting pole 723；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 board 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 board 711, and connecting pole 723 and partition board 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 located between the valve chamber 712b and the first valve chamber 71a of pass, 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 is connected to.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 board 711, and it is remote positioned at valve chamber 712b is closed to close valve port 7120 End from partition board 711.Valve opening mouth 7110 for by valve and high-pressure air source, atmosphere, closing valve port 7120 for dividing respectively 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 spherical surface or inclined-plane, and first piston 721 blocks air inlet 711a with the cooperation of 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 Portion is the opening that the sealing 73 that becomes larger of section has 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 the other side and second piston 722, at this moment in order to ensure even if 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, in this way when pass valve chamber and pressure in container In the case of identical, it is more preferable that gas pressure that second piston is subject to can be more than the pressure seal effect that first piston be subject to.

The effect of gas explosion quck-opening valve be filled in container setting pressure gas after moment the pressure in container is down to Atmospheric pressure, the gas in the gaps PM of the ducts DPF expand suddenly, and gas explosion occurs, and keep the PM in the ducts DPF broken and peel 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 the ducts DPF, high-speed flow can carry out the PM in the ducts DPF, while the PM that high-speed flow carries Collision is generated to remaining PM in the ducts DPF, is squeezed, friction, further broken or stripping PM.The PM that gas explosion separates is through removing It is intercepted and captures by dedusting muffler 8 when 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 penetrates outer layer cloth bag 82, internal layer cloth bag 83 and atmosphere.Cloth bag connection wall 84 It offers and 7 gas accesses 841 connecting 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 are respectively used to prevent outer layer cloth bag 82, interior Layer cloth bag 83 deforms, and ensures the volume of cavity 80.Lid 81 is fixed with the connecting tube across lid 81 as gas vent 811, Connecting tube is connected and fixed with internal layer cloth bag 83.Internal layer cloth bag 83 and outer layer cloth bag 82 are cylindrical shape bag shaped structure.Outer layer cloth bag 82, Internal layer cloth bag 83 is made of Water-proof breathable fabric.The gas of gas explosion can absorb the noise of gas explosion when passing through dedusting muffler, reach To 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 for preventing water and PM to be discharged into greatly Gas.

Figure 23 is referred to, the specific connection relation about 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 connect 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 to clear up DPF.

When in filter 4 filter screen or filter membrane block it is more serious when, waist valve FD, backwash valve can be opened FC closes cleaning liquid source inlet valve FE, tapping valve FB1, tapping valve FB2, is carried out in backwash dredging filter 4 to filter 4 Filter membrane.

Preferred 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.

It is equipped with liquid level sensor in preferred first chamber 1a and/or second chamber 1b and/or cleaning liquid source 6, in this way 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 setting, 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 utility model, only second chamber 1b directly connect with filter 4 through tapping valve FB2 or Only first chamber 1a is directly connect through tapping valve FB1 with filter 4.

In one embodiment of the utility model, only first chamber 1a is directly through liquid feed valve FA1 and pump connection or only the Two chamber 1b are directly connected through liquid feed valve FB2 and pump.

The specific connection relation about 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 the gaseous mixture of air, steam or steam and air.

There is intake valve between first chamber 1a and/or second chamber 1b and high-pressure air source.Preferred 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 utility model, gas explosion quck-opening valve 7 is connect by deduster with air.Gas explosion quck-opening valve 7 are connect by muffler with air.

Figure 24 is referred to, ultrasound is not provided in the DPF cleaning plants based on gas explosion of the utility model second embodiment Wave producer, filter, pump, container 1 are hingedly fixed with lock 120 ' outside, have between lock 120 ' and container 1 for keeping locking The upper surface of the torsional spring that button is open close to container 1, lock is inclined-plane, has sealing structure between lid 11 and container, the both ends DPF Also there is sealing structure, container 1 to be arranged by vertical direction, gas explosion quck-opening valve 7 connects through deduster and air between outer wall and container 1 It is logical.

Figure 25 is referred to, is not set in the DPF cleaning plants based on ultrasonic cleaning of the utility model 3rd embodiment Gas explosion quick opening valve and dedusting muffler are set, pump includes container 1 and lid 11, and wherein lid 11 is located at 1 middle part of container.Container 1 Horizontally arranged lid 11 is hinged with container 1, and lock 120 ' is hingedly fixed with outside container 1, is had between lock 120 ' and container 1 The upper surface of torsional spring for keeping lock to be open close to container 1, lock is inclined-plane, has sealing knot between lid 11 and container Structure also has sealing structure, can not have shell, cleaning liquid source 6 that can have pressure outside DPF between the outer wall and container 1 at the both ends DPF Tap water, certain cleaning liquid source can also be river water.Filter 4 is selected from active carbon filter, 4 filtered cleaning of filter Liquid can be discharged into plumbing drain, can also be discharged into rainwater pipeline or river, lake when filtered cleaning solution is completely pollution-free.

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 the utility model first embodiment, includes the following steps：

A1, DPF is placed in the container of sealing, wherein the outer wall of DPF is tightly connected container inner wall, and container is separated by DPF At first chamber and second chamber；

A2, cleaning solution is injected 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 inject cleaning solution into first chamber or simultaneously to first chamber and second Cleaning solution is injected in chamber；

A3, supersonic generator is opened, cleans DPF；

A4, supersonic generator is closed, the indoor cleaning solution of the first and second chamber is discharged, it is specific to be discharged in the first and second chamber Cleaning solution can be the cleaning solution being first discharged in second chamber, the cleaning solution being then exhausted from first chamber or be discharged the simultaneously One, the indoor cleaning solution of two chambers；

A5, container is opened, takes out the DPF after cleaning.

Preferably after step A3, it is further comprising the steps of before step A4：A31, it keeps supersonic generator 3 to open, 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, it is persistently discharged the cleaning solution in second chamber 1b, while to Cleaning solution is persistently injected in first chamber 1a, the wash liquid stream in the ducts DPF is to being discharged after second chamber, and wash liquid stream is to second The process one side formation flow carrying of chamber will be suspended in PM in the ducts DPF and take out of, on the other hand be filled into the ducts DPF clear Clean cleaning solution forms better cleaning performance.

The DPF method for cleaning based on gas explosion of the utility model second embodiment, includes the following steps：

B1, DPF is placed in the container 1 of sealing, the outer wall of DPF is tightly connected 1 inner wall of container, and container 1 is separated by DPF First chamber 1a and second chamber 1b；

B2, high pressure gas is injected into container, until the first and second chamber room pressure reaches setting atmospheric pressure value；

B3, second chamber is quickly opened, makes the PM being attached in DPF that gas explosion occur and be detached from DPF, is generated after preferred gas explosion PM gaseous mixtures air is discharged into after dust removal process, gas explosion process is handled through noise reduction；

B4, container is opened, takes out DPF.

It is preferred that step B3, B4 between further include：Repeated several times step B2, B3.

It can inject high pressure gas into the first and second chamber simultaneously that high pressure gas is injected into container；It is injected into container 1 high It calms the anger preferably to use and injects high pressure gas into first chamber in this way when DPF blockage ratios are more serious, the high pressure gas of first chamber The PM that second chamber can be formed in the process in the air-flow carrying part ducts DPF is flowed to, is more preferably selected first to first chamber High pressure gas is injected in 1a, injects high pressure gas in backward second chamber, the high pressure gas of first chamber flows to second chamber mistake Cheng Zhonghui forms air-flow and carries PM in the ducts DPF of part when the 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 high pressure gas energy into second chamber Enough shorten the time, while ensureing the pressure of second chamber.

In the present embodiment, the PM gaseous mixtures that gas explosion process generates 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 the utility model 3rd embodiment, includes the following steps：

C1, DPF is placed in the container of sealing, wherein the outer wall of DPF is tightly connected container inner wall, and container is separated by DPF At first chamber and second chamber；

C2, cleaning solution is injected into container, until first chamber or second chamber cleaning liquid inside reach setting liquid level or set Determine hydraulic pressure；Cleaning solution penetrates 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, supersonic generator is opened, cleans DPF；

C4, supersonic generator is closed, the indoor cleaning solution of the first and second chamber is discharged；

C5, it is injected into container, until the first and second chamber room pressure reaches setting atmospheric pressure value；

C6, second chamber is quickly opened, makes the PM being attached in DPF that gas explosion occur and is detached from DPF；

C7, container is opened, 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, can extraordinary by remaining PM, from the ducts DPF, stripping be taken out of further The ducts DPF are dredged, while cleaning solution being gasified and being taken out of using the gas of high speed injection, the DPF after cleaning is made to dry.

The DPF method for cleaning of the utility model fourth embodiment, includes the following steps：

D1, DPF is placed in the container of sealing, wherein the outer wall of DPF is tightly connected container inner wall, and container is separated by DPF At first chamber and second chamber；

D2, high pressure gas is injected into container, until the first and second chamber room pressure reaches setting atmospheric pressure value, such as 0.6Mpa- 1.0Mpa；

D3, second chamber is quickly opened, makes the PM being attached in DPF that gas explosion occur and is detached from DPF；

D4, cleaning solution is injected into container, until first chamber or second chamber cleaning liquid inside reach setting liquid level or set Determine hydraulic pressure；

D5, supersonic generator is opened, cleans DPF；

D6, supersonic generator is closed, the indoor cleaning solution of the first and second chamber is discharged；

D7, container is opened, takes out DPF.

Step D4 is carried out again after preferred 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.

More preferably, DPF method for cleaning includes：High pressure gas in step D2, first into first chamber, controller obtain the One, 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 be more than a certain in the stopping state for embodying DPF, Standard Gases pressure difference/actual pressure difference When standard, such as 0.9,0.95 can stop subsequent cleaning, otherwise continue gas explosion；Practical gas is obtained in adjacent gas explosion twice When pressure difference or very close draught head curve, so that it may to think gas explosion effect unobvious, at this moment carry out subsequent ultrasonic wave again Cleaning；

In step D5, during ultrasonic cleaning, continue into first chamber injection with certain pressure cleaning solution, And 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 similarly compares the normal fluid pressure difference of the DPF dredged completely, when normal fluid pressure difference/actual liquid pressure When the numerical value of difference reaches a certain standard, such as 0.9,0.95 can stop subsequent cleaning, stop the work of supersonic generator,

Otherwise continue to clean, within the unit interval actual liquid pressure difference 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 It is come into full contact with PM, to realize better ultrasonic cleaning effect.

More than, only it is the preferred embodiment of the utility model, limit in any form not is made to the utility model System, although the utility model has been disclosed with preferred embodiment as above, is not limited to the utility model, any to be familiar with sheet Technical professional is not departing within the scope of technical solutions of the utility model, when the technology contents work using the disclosure above Go out a little change or be modified to the equivalent embodiments of equivalent variations, as long as be without departing from the content of the technical scheme of the utility model, according to According to the technical essence of the utility model to any simple modification, equivalent variations and modification made by above example, still fall within In the range of technical solutions of the utility model.

Claims (10)

1. a kind of DPF cleaning plants, including container and the lid for sealing the container, which is characterized in that in the container It is provided with supersonic generator and the drain pipe with tapping valve, the DPF may be housed in the container and the DPF Outer wall is removably tightly connected the container inner wall, and the container contents are received when having DPF, and the container is separated by DPF One chamber and second chamber, the container are connected to high-pressure air source by intake valve, and the second chamber can soon be opened by gas explosion Valve is connected with air, and the first chamber is connected by liquid feed valve with cleaning liquid source.

2. DPF cleaning plants according to claim 1, which is characterized in that be fixedly connected with DPF installations in the container Frame, the DPF mounting brackets include retaining mechanism, mounting bracket bottom plate, and the mounting bracket bottom plate has the hole link with the DPF Through-hole, which is hermetically connected and fixed with the container inner wall, the retaining mechanism and the mounting bracket bottom plate Or the container is connected and fixed, the locking retaining mechanism is for squeezing the DPF and the mounting bracket bottom plate, the DPF and the installation There is sealing adjustable plate between frame bottom plate.

3. DPF cleaning plants according to claim 1, which is characterized in that the gas explosion quck-opening valve be include valve seat and valve Valve, the flap include first piston, second piston and be connected and fixed the first piston, the second piston connecting pole； The valve seat includes the first valve chamber for accommodating the first piston, accommodates the second valve chamber and the separation described first of the second piston The partition board of valve chamber and second valve chamber, first valve chamber have exhaust outlet and can be with the air inlets of the first piston fitted seal Mouthful, the connecting pole passes through the partition board, the connecting pole and the partition board to seal against each other, which separates second valve chamber At valve opening chamber and valve chamber is closed, for the valve opening chamber between the pass valve chamber and first valve chamber, which has valve opening mouth, The pass valve chamber, which has, closes valve port.

4. DPF cleaning plants according to claim 1, which is characterized in that the supersonic generator includes shake head installation Box and the ultrasonic wave shake head being fixed in the shake head mounting box, the ultrasonic wave shake head are contained in the shake head mounting box, Ultrasonic wave shake head is fixed on the installation box plate of the shake head mounting box, and incompressible flow is filled in the shake head mounting box Body, the shake head mounting box offer the adjusting mouth sealed by flexible pressure balance plate.

5. DPF cleaning plants according to claim 1, which is characterized in that the gas explosion quck-opening valve is by deduster and greatly Gas connects, and the dedusting muffler includes lid, outer layer cloth bag and internal layer cloth bag, and the lid seals the outer layer cloth bag opening Cavity is formed, the internal layer cloth bag is located in the cavity, which offers the exhaust outlet with internal layer cloth bag opening connection, The cavity with gas explosion quick opening valve for connecting.

6. DPF cleaning plants according to claim 1, which is characterized in that the first chamber and the cleaning liquid source it Between there is liquid feed valve and pump, the container to be located above the cleaning liquid source, the second chamber and/or the first chamber pass through Tapping valve, filter and cleaning liquid source connect.

7. DPF cleaning plants according to claim 6, which is characterized in that the liquid outlet of the pump is through backwash valve and institute The liquid outlet connection of filter is stated, the inlet of the filter is connected with the sewer pipe with waist valve.

8. DPF cleaning plants according to claim 1, which is characterized in that the DPF cleaning plants further include locking closure device, The locking closure device includes first support, second support and locking closure telescoping mechanism, locking closure telescoping mechanism both ends respectively with it is described First support, the second support end are hinged, and first and second mid-stent is hinged with the container respectively, this first and second Frame is respectively fixed with the lock opened for limiting the lid backwards to the end of the locking closure telescoping mechanism.

9. DPF cleaning plants according to claim 1, which is characterized in that the DPF cleaning plants further include device for releasing closures, The device for releasing closures includes the lever being connected and fixed with the lid and telescoping mechanism of uncapping, and the other end of the lever is opened with described Lid telescoping mechanism is hinged, and the other end of the telescoping mechanism of uncapping is hinged with the container.

10. DPF cleaning plants according to claim 1, which is characterized in that the container is towards on the end face of the lid An annular groove corresponding with the lid edge is offered, sealing ring is accommodated in the annular groove；The sealing ring with The gas passage that can be connect with high-pressure air source is formed between the bottom of the annular groove；It is accommodated in the gas passage and is useful for squeezing When pressing the high pressure gas of the sealing ring, lid and container end face described in the seal ring seal.