CN208396782U - A kind of DPF mounting rack of DPF cleaning plant - Google Patents

Abstract

A kind of DPF mounting rack of DPF cleaning plant, the DPF cleaning plant includes container and the lid for sealing the container, the DPF mounting rack includes retaining mechanism, mounting rack bottom plate, the mounting rack bottom plate has the through-hole with the hole link of the DPF, the mounting rack bottom plate is hermetically connected and fixed with the container inner wall, the retaining mechanism is connected and fixed with the mounting rack bottom plate or the container, the retaining mechanism is connected and fixed for squeezing the DPF with what the mounting rack bottom plate sealed, there is sealing adjustable plate between the DPF and the mounting rack bottom plate, the retaining mechanism portion is connected and fixed with the mounting rack bottom plate, the container contents are received when having the DPF, the container is separated into first chamber and second chamber by the DPF, the first chamber with high-pressure air source for connecting, second chamber Room is connected by gas explosion quick opening valve with atmosphere.

Description

A kind of DPF mounting rack of DPF cleaning plant

Technical field

The utility model relates to automotive field, especially a kind of DPF mounting rack of DPF cleaning plant.

Background technique

DPF, Diesel Particulate Filter diesel particulate filter, which refer to, to be mounted 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 affect 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.

Notification number CN1920267B discloses a kind of DPF diesel particulate filter 40 and catches for integral particulate referring to Figure 1 Collection, and including alternate enclosed slot/channel 50 and enclosed slot/channel 52.Exhaust gas, such as by engine generate those of exhaust gas, Into spilling out to the end seal closed walk 50 for accumulating particulate matter 54 and from open channel 52.Stopple 56 is used to sealed passage 50,52 terminal.The wall 58 of diesel particulate filter 40 is preferentially made of the porous ceramics honeycomb wall 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 driving, and with Method as the increase of DPF working time be increasingly difficult to regenerate, DPF blocking is serious and causes tail gas that can not discharge, at this moment With regard to needing a kind of device that can clear up DPF, the small duct in DPF is dredged.

Utility model content

The purpose of this utility model is to provide a kind of DPF mounting racks of DPF cleaning plant, can easily be tightly connected Container and DPF.

In order to achieve the above-mentioned advantages, the utility model provides a kind of DPF mounting rack of DPF cleaning plant, the DPF cleaning plant Lid including container and for sealing the container, the DPF mounting rack include retaining mechanism, mounting rack bottom plate, the peace Bottom plate is shelved with the through-hole with the hole link of the DPF, which hermetically connect solid with the container inner wall Fixed, the retaining mechanism is connected and fixed with the mounting rack bottom plate or the container, the retaining mechanism for squeeze the DPF and Mounting rack bottom plate sealing is connected and fixed, and has sealing adjustable plate, the retaining mechanism portion between the DPF and the mounting rack bottom plate It is connected and fixed with the mounting rack bottom plate, which receives when having the DPF, which is separated into first chamber and by the DPF Two chambers, for connecting with high-pressure air source, the second chamber is connected by gas explosion quick opening valve with atmosphere the first chamber.

In the DPF mounting rack of the DPF cleaning plant of the utility model, it can easily be tightly connected container and DPF.

Detailed description of the invention

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

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

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

Fig. 4 show the structural schematic diagram of the third direction of the DPF cleaning plant of Fig. 2.

Fig. 5 show the explosive view of the DPF cleaning plant of Fig. 2.

Fig. 6 show the sectional view of the DPF cleaning plant 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 rack of the DPF cleaning plant of Fig. 2.

Figure 11 show the explosive view of the DPF mounting rack 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 plant 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 plant 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 plant 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 plant of Fig. 2.

Figure 24 show the structural schematic diagram of the DPF cleaning plant based on gas explosion of the utility model second embodiment.

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

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

Specific embodiment

Further to illustrate that the utility model is the technical means and efficacy reaching predetermined purpose of utility model and being taken, Below in conjunction with attached drawing and preferred embodiment, to according to the utility model proposes specific embodiment, structure, feature and its effect, Detailed description is as follows.

Please refer to FIGS.2-5, the DPF cleaning plant of the utility model first embodiment, for clearing up DPF100, the DPF Cleaning plant includes container 1, DPF mounting rack 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 rack 2 and supersonic generator 3 are contained in container 1, container 1,7 and of gas explosion quck-opening valve Dedusting muffler 8 is successively contacted；Container 1, filter 4, cleaning liquid source 6, pump 5, container 1 are successively contacted, 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 are 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 bracket is respectively Hinged with container 1, the first and second bracket 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 bracket 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 bracket 121,122 release the limitation of 120 pairs of lids 11 of lock by rotation.

It is rod-like structure that lock 120, which is " u "-shaped section, and outer 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 bracket 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 bracket 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 Mechanism 132 and locking closure telescoping mechanism 123 can use pneumatic cylinder, hydraulic cylinder or electric cylinder.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 Have for detecting the 4th position sensor of the opening of lid 11 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 issue solution to locking closure telescoping mechanism 123, telescoping mechanism 132 of uncapping receiving and uncapping order It locks or signal of uncapping, meanwhile, controller issues signal to warning device, makes warning device sending 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, Detect there is water in container or when higher than the gas of atmospheric pressure in controller, controller will not be to receiving and uncapping order Locking closure telescoping mechanism 123, telescoping mechanism 132 of uncapping issue 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 issues 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 issues locking closure signal, otherwise alarms.After locking closure telescoping mechanism 123 issues locking closure signal, controller judgement 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；Useful when squeezing the high pressure gas of sealing ring 16, sealing ring 16 is accommodated in gas passage 160 Seal lid 11 and 1 end face of container.There is seal control valve 161, air accumulator between preferred gas passage 160 and high-pressure air source 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, is kept sealing ring 16 mobile towards 11 direction of lid, is hermetically connected 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 product, while close to the first sealing stupefied 161 of container inside, due to receiving the mutual extrusion power of lid 11 and container 1, the One sealing stupefied 161 is not easy to be squeezed and deformed by the high pressure gas in container 1, forms 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, and the second sealing is 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 outer 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 inlet being connected to gas passage 160 backwards to lid 11 on one side.Container 1 when lid 11 covers container 1 There is gap between lid 11, be also more easier 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.

Referring to Figure 10,11, DPF mounting rack 2 includes retaining mechanism 21, mounting rack bottom plate 22.Retaining mechanism 21 include with Connecting rod 211 that mounting rack bottom plate 22 is connected and fixed, compression bar 213, contact plate 214, is located at DPF and mounting rack bottom at reaction beam 212 Sealing adjustable plate 215 between plate 22.Mounting rack 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 rack 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 cooperates, 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 outer 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 shell 101, being connected and fixed for the sealing of cyclic annular frame 222 of adjustable plate 215 and mounting rack bottom plate 22 is sealed.

One of adjustable plate 215 effect of sealing be tightly connected DPF outer wall or DPF shell 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 Replacement sealing adjustable plate 215 is to adapt to DPF.

Referring to Figure 12, cyclic annular frame 222 is hermetically connected and fixed with 1 inner wall of container, retaining mechanism 21 and mounting rack 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 rack bottom plate 22, and 1 inner wall of container is fixed with and installs The sealing ring 220 that frame bottom plate 22 cooperates, mounting rack bottom plate 22 is contained in the through-hole of sealing ring 220 and the cooperation of sealing ring 220 seals 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 rack 2 is contained in container 1 with 1 inner wall of container for contacting, to keep mounting rack The position of bottom plate 22 and sealing ring 220.

Referring 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 head 32 (ultrasonic oscillator), ultrasonic wave shake head 32 be contained in shake head mounting box 31 in.Shake head mounting box 31 Backwards to the mounting box top plate 312 of installation 311 side of box plate and connect including installation box plate 311, positioned at ultrasonic wave shake head 32 The mounting box connection wall 313 of installation box plate 311 and mounting box top plate 312 is connect, box plate 311,312 and of mounting box top plate are installed Mounting box connection wall 313 is made of stainless steel materials.Mounting box top plate 312 is fixed with the power supply for drawing ultrasonic wave shake head 32 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 provided with bottom plate or peace In mounted box connection wall.Ultrasonic wave shakes head 32 and is fixed on the installation box plate 311 of shake head mounting box 31 by sound conduction gel.

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 provided 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 deformation, ultrasonic wave can be protected to shake First 32 with installation box plate 311 connection (sound conduction gel be compared with crisp material, if the installation deformation of box plate 311 will will lead to 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 practical new at this Type other embodiments adjust mouth 30 and can also be provided 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 duct DPF by dispersion, emulsification, remove and then dredge the duct DPF.

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 will 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 test The cleaning action of this strength can cut out countless apertures within tens of seconds to aluminium foil.Cavitation occurs that liquid locally High temperature and pressure (1000 air pressures, 5500 DEG C), then the stirring generated through vibration, 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 carry out removing cleaning to the surface by PM to hundreds times, by this strength acceleration.

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 is stirred micro- oil foulant on cleaned material surface, and the cleaning solution of fouled surfaces also generates convection current, dissolves the molten of PM Solution liquid is mixed with new liquid, is made enhanced dissolution rate, is played very big effect to the carrying of PM.

Filter 4 preferably uses membrane filter, and the core original part 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 of production 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 greater 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 vibration.

6-18 referring to Figure 1, gas explosion quck-opening valve 7 specifically include valve seat 71 and flap 72, and flap 72 includes first piston 721, second piston 722 and it is connected and fixed the connecting column 723 of first piston 721, 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 711 of valve chamber 71b, the first valve chamber 71a have exhaust outlet 712a and can cooperate the air inlet of sealing with first piston 721 711a, connecting column 723 pass through partition 711, and connecting column 723 and partition 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, which is located at, to close between valve chamber 712b and the first valve chamber 71a, 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 atmosphere gas explosion and opens fastly 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 711, and it is remote positioned at valve chamber 712b is closed to close valve port 7120 End from partition 711.Valve opening mouth 7110 is for by valve and high-pressure air source, atmosphere, closing valve port 7120 for dividing respectively It Tong Guo not 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 and the cooperation of sealing 73 block air inlet 711a.

Referring to Figure 19, first piston 721 and 73 face contact of sealing or line are engaged and block 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 guarantee even if first piston 721 with sealing 73 not absolute parallel (being limited by machining accuracy) in the case where 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 greater than the internal diameter of sealing 73, in this way when pressure in pass valve chamber and container In identical situation, it is more preferable that the gas pressure that second piston is subject to can be greater than the pressure seal effect that first piston is 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 gap PM of the duct DPF expand suddenly, and gas explosion occurs, and keep the PM in the duct DPF broken and peel off, together When be tightly connected due to the outer wall and 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 duct DPF, high-speed flow can carry out the PM in the duct DPF, while the PM that high-speed flow carries Collision is generated to PM remaining in the duct DPF, is squeezed, friction, further broken or removing 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 Quck-opening valve 7 connections.Gas in cavity 80 is communicated with the atmosphere through outer layer cloth bag 82, internal layer cloth bag 83.Cloth bag connection wall 84 Offer the gas access 841 connecting with gas explosion quck-opening valve 7.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 guarantees 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 cylinder-shaped 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 technical 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 relationship about cleaning solution part of DPF cleaning plant is: first chamber 1a, the Two chamber 1b pass through liquid feed valve FA1, liquid feed valve FA2 respectively and pump 5, cleaning liquid source inlet valve FE, cleaning liquid source 6 connect, and first Chamber 1a, second chamber 1b pass through tapping valve FB1, tapping valve FB2 and filter 4 and cleaning liquid source 6 respectively and connect, and pumps 5 and goes 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 In intercept or capture from container 1 PM.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 blocking 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, carries 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 exhaust valve, To guarantee to inject cleaning solution into container.Gas explosion quck-opening valve be can use as exhaust 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 through tapping valve FB2 with filter 4 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 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 relationship about gas part of DPF cleaning plant is: container 1, gas explosion quck-opening valve 7, dedusting noise reduction Device 8, atmosphere are successively contacted.Container 1 is also used 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 atmosphere.Gas explosion quck-opening valve 7 are connect by muffler with atmosphere.

Figure 24 is referred to, is not provided with ultrasound in the DPF cleaning plant 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 torsional spring being open close to container 1 is detained, the upper surface of lock is inclined-plane, there is sealing structure between lid 11 and container, the both ends DPF Also there is sealing structure, container 1 is arranged by vertical direction, and gas explosion quck-opening valve 7 connects through deduster and atmosphere between outer wall and container 1 It is logical.

Figure 25 is referred to, is not set in the DPF cleaning plant 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 For keeping latching the torsional spring being open close to container 1, the upper surface of lock is inclined-plane, has sealing knot between lid 11 and container Structure also has sealing structure, can not have shell outside DPF, cleaning liquid source 6 can have pressure 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, the filtered cleaning of filter 4 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, comprising 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 It is fixed hydraulic, cleaning solution is injected into container, be can be and is injected 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, the DPF after taking out cleaning.

Preferably after step A3, it is further comprising the steps of before step A4: A31, keep supersonic generator 3 open, hold 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 injected in first chamber 1a after filtering.

It is preferred that step A4 after further include: repeated several times step A2, A3, A4.

In the present embodiment supersonic generator 3 open when, persistently be discharged second chamber 1b in cleaning solution, while to Cleaning solution is persistently injected in first chamber 1a, the wash liquid stream in the duct DPF is to being discharged after second chamber, and wash liquid stream is to second The process one side formation water flow carrying of chamber will be suspended in PM in the duct DPF and take out of, on the other hand fill into the duct DPF clear Clean cleaning solution forms better cleaning effect.

The DPF method for cleaning based on gas explosion of the utility model second embodiment, comprising 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 mixture atmosphere 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.

High pressure gas is injected into container can be while injecting high pressure gas into the first and second chamber；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 ratio is more serious, the high pressure gas of first chamber Flowing to will form air-flow during second chamber and carries PM in the duct part DPF, more preferably select 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 It will form air-flow in journey and carry PM in the duct part DPF when the first and second chamber pressure difference is bigger, 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 guaranteeing the pressure of second chamber.

In the present embodiment, the PM gaseous mixture that gas explosion process generates after noise reduction processing and gas explosion is discharged into after dust removal process Atmosphere has the advantages that sound is small, free of contamination.

The DPF method for cleaning of the utility model 3rd embodiment, comprising 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 It is fixed hydraulic；Cleaning solution penetrates into the duct of DPF in this course, contacts 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 duct DPF, removing be taken out of further The duct DPF is dredged, while cleaning solution being gasified and being taken out of using the gas of high speed injection, the DPF after making cleaning is dry.

The DPF method for cleaning of the utility model fourth embodiment, comprising 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 It is fixed hydraulic；

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 The dry DPF of water in DPF out.

More preferably, DPF method for cleaning include: in step D2, the first high pressure gas into first chamber, controller obtains 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 greater 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 think that gas explosion effect is unobvious, at this moment carry out subsequent ultrasonic wave again Cleaning；

In step D5, during ultrasonic cleaning, continue into first chamber injection have 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 Power is poor, 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 time 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 to DPF gas explosion cleaning, can first be dredged by gas explosion absolutely Most duct, when DPF blocking is 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, it is only 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 intended to limit 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 A little change or it is modified to the equivalent embodiment of equivalent variations out, but all without departing from the content of the technical scheme of the utility model, according to According to the technical essence of the utility model any simple modification, equivalent variations and modification to the above embodiments, still fall within In the range of technical solutions of the utility model.

Claims (10)

1. a kind of DPF mounting rack of DPF cleaning plant, the DPF cleaning plant includes container and for sealing the container Lid, the DPF mounting rack include retaining mechanism, mounting rack bottom plate, and the mounting rack bottom plate has to be connected with the duct of the DPF Logical through-hole, the mounting rack bottom plate are hermetically connected and fixed with the container inner wall, the retaining mechanism and the mounting rack bottom Plate or the container are connected and fixed, and the retaining mechanism is connected and fixed for squeezing the DPF with what the mounting rack bottom plate sealed, should There is sealing adjustable plate, which is connected and fixed with the mounting rack bottom plate, the container between DPF and the mounting rack bottom plate When inside accommodating the DPF, which is separated into first chamber and second chamber by the DPF, and the first chamber is used for and high pressure Gas source connection, the second chamber are connected by gas explosion quick opening valve with atmosphere.

2. DPF mounting rack according to claim 1, which is characterized in that the container inner wall is fixed with and the mounting rack The sealing ring of bottom plate cooperation, the through-hole that the mounting rack bottom plate is contained in the sealing ring are hermetically connect with sealing ring cooperation Fixed, the through-hole of the sealing ring is gradually reduced from one end close to the DPF to the other end.

3. DPF mounting rack according to claim 2, which is characterized in that the retaining mechanism includes and the mounting rack bottom Connecting rod, reaction beam, compression bar and the contact plate that plate is connected and fixed, the reaction beam are connected and fixed with the connecting rod, the counter-force Beam and the compression bar are threadedly coupled, which is used to seal by squeezing the contact plate extruding DPF and mounting rack bottom plate Ground connection.

4. DPF mounting rack according to claim 3, which is characterized in that the quantity of the connecting rod be it is multiple, it is multiple described Connecting rod is arranged around the DPF.

5. DPF mounting rack according to claim 3, which is characterized in that the connecting rod is equipped with mating connection portion, described anti- Power beam is connected with holding section, and the holding section and mating connection portion cooperation are removably connected and fixed.

6. DPF mounting rack according to claim 5, which is characterized in that the connecting rod is alongst equipped with multiple The mating connection portion.

7. DPF mounting rack according to claim 5, which is characterized in that the compression bar is cylindrical structure, and the cooperation connects Socket part is the annular recess opened up around the compression bar outer peripheral surface, and the holding section is that can be partially received in the annular recess Buckle.

8. DPF mounting rack according to claim 1, which is characterized in that also have between the DPF and the mounting rack bottom plate There is adjustable plate, the retaining mechanism can extrude being connected and fixed for the DPF, the adjustable plate and mounting rack bottom plate sealing.

9. DPF mounting rack according to claim 3, which is characterized in that the reaction beam, which offers, accommodates the connecting rod Through-hole, the reaction beam can slide along the connecting rod length direction.

10. DPF mounting rack according to claim 3, which is characterized in that the reaction beam is fixedly connected with stabilizer blade；It is described Stabilizer blade is used to contact when the mounting rack accommodates in the container with the container inner wall, to keep the mounting rack bottom plate With the position of the sealing ring.