CN104564248B - The special bend pipe flow spoiler of Diesel engine DPF low-temp recovery igniters - Google Patents
The special bend pipe flow spoiler of Diesel engine DPF low-temp recovery igniters Download PDFInfo
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- CN104564248B CN104564248B CN201410847051.8A CN201410847051A CN104564248B CN 104564248 B CN104564248 B CN 104564248B CN 201410847051 A CN201410847051 A CN 201410847051A CN 104564248 B CN104564248 B CN 104564248B
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- bend pipe
- fan blade
- pipe fan
- regeneration
- dpf
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- 238000011084 recovery Methods 0.000 title claims abstract description 13
- 238000009826 distribution Methods 0.000 claims abstract description 9
- 230000000694 effects Effects 0.000 claims description 11
- 230000008929 regeneration Effects 0.000 abstract description 25
- 238000011069 regeneration method Methods 0.000 abstract description 25
- 230000004888 barrier function Effects 0.000 abstract description 4
- 230000008439 repair process Effects 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 description 30
- 239000003921 oil Substances 0.000 description 29
- 229910001220 stainless steel Inorganic materials 0.000 description 27
- 239000010935 stainless steel Substances 0.000 description 27
- 238000002485 combustion reaction Methods 0.000 description 25
- 238000010438 heat treatment Methods 0.000 description 22
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 19
- 238000005338 heat storage Methods 0.000 description 11
- 238000005192 partition Methods 0.000 description 11
- 239000002283 diesel fuel Substances 0.000 description 9
- 239000000295 fuel oil Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 9
- 229910052759 nickel Inorganic materials 0.000 description 9
- 239000000446 fuel Substances 0.000 description 8
- 238000009413 insulation Methods 0.000 description 8
- 238000003825 pressing Methods 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000012530 fluid Substances 0.000 description 6
- 238000002309 gasification Methods 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000000565 sealant Substances 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 229910052582 BN Inorganic materials 0.000 description 3
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 description 3
- YKTSYUJCYHOUJP-UHFFFAOYSA-N [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] Chemical compound [O--].[Al+3].[Al+3].[O-][Si]([O-])([O-])[O-] YKTSYUJCYHOUJP-UHFFFAOYSA-N 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000011214 refractory ceramic Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000012774 insulation material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000010301 surface-oxidation reaction Methods 0.000 description 1
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Abstract
It can make DPF traps in regenerative process the present invention relates to one kind, permanent regeneration can be realized, the special bend pipe flow spoiler of Diesel engine DPF low-temp recovery igniters of the brought DPF traps artefact regeneration of local regeneration is avoided, is made up of bend pipe fan blade inner sheath, bend pipe fan blade oversheath, multi-disc turbulence blades, inlet flange and outlet(discharge) flange；Multi-disc turbulence blades spacing is distributed in bend pipe fan blade inner sheath and the direct-view of multi-disc spoiler is 360 degree of distributions, and bend pipe fan blade oversheath hollow sleeve is on bend pipe fan blade inner sheath and bend pipe fan blade inner sheath and bend pipe fan blade oversheath two ends are connected with inlet flange and outlet(discharge) flange respectively.Advantage：Solve the technical barrier that end face can not be realized during DPF trap regenerations by closing the permanent regeneration in face inward outside, it is to avoid the brought DPF traps frequent regeneration of local regeneration, hardening crack and hot-spot caused by the potential inflammable risk of dpf regeneration.
Description
Technical field
It can make DPF traps in regenerative process the present invention relates to one kind, permanent regeneration can be realized, it is to avoid part is again
The special bend pipe flow spoiler of Diesel engine DPF low-temp recovery igniters of raw brought DPF traps artefact regeneration, belongs to diesel oil
Motor exhaust regeneration low-temperature igniter manufacture field.
Background technology
All CN 103104314A of the applicant, a kind of title " diesel engine exhaust aftertreatment device pre-heating temperature elevation
Device ", plug is enclosed on heating rod and one end of heating rod exposed in mandrel outer and constitutes high temperature ignition head, plug two ends and diesel oil
Gasification chamber two ends end cap seal connection, heat storage is enclosed on plug and in diesel oil gasification chamber, combustion chamber one end and diesel oil gas
Change chamber connection and cover on high temperature ignition head, the external oil spout pipe portion on the wall of combustion chamber and in petroleum pipeline of petroleum pipeline passes through bavin
Oil gasification chamber end cap and in the diesel oil gasification chamber, is provided with oil gas spray on the end cap of the diesel oil gasification chamber of heating rod one end
Mouth.
The content of the invention
Purpose of design：Design one kind can make DPF traps in regenerative process, can realize permanent regeneration, it is to avoid office
The special bend pipe flow spoiler of Diesel engine DPF low-temp recovery igniters that DPF trap artefact of the regeneration institute of portion with industry regenerates.
Design：In order to realize above-mentioned purpose of design.Present invention design is a kind of to be arranged on diesel engine（Car）In blast pipe,
For under various working conditions, diesel engine can be improved rapidly（Car）Delivery temperature so that delivery temperature can be in a few minutes
（3-5 minutes）It is interior to rise to more than 600 DEG C from 50 DEG C or so, so as to reach regeneration grain catcher（DPF）Purpose.1st, light a fire
Rod lead, using the design of multiply pure nickel line or nickel-coated wire, is one of technical characteristic of the present invention.The purpose so designed is：
Because nickel wire or nickel-coated wire have higher resistivity, surface oxidation-resistant is good, and temperature level is high, and has at high temperature higher
Intensity, have good processing characteristics and solderability, service life is long, it can safely and reliably to heating rod provide DC24V,
DC12V, AC220/50hz, AC110/60HZ power supply, and the insulating barrier for being enclosed on multiply pure nickel line or nickel-coated wire be resistant to 500 DEG C with
Upper high temperature, it is ensured that the reliable conductive of multiply pure nickel line or nickel-coated wire at high operating temperatures.2nd, it is used for using igniter insulating plug
The design of fixing point lighted torch lead, is the two of the technical characteristic of the present invention.The purpose so designed is：Due to igniter insulation
Plug uses aluminum silicate ceramic device, and aluminum silicate ceramic device not only has extremely low thermal conductivity, and the excellent heat endurance of tool,
While using it for fixing point lighted torch lead, play again fire rod lead is insulated, the protective effect such as heat-insulated.3rd, light a fire
The design of device flange, is the three of the technical characteristic of the present invention.The purpose so designed is：Due to the igniter flange of the application
In structure design, igniter flange be surrounded by fixing hole ear, sidepiece be provided with fire rod assembly installation cavity, valve mounting hole,
Oil nozzle mounting hole, and in igniter flange inner chamber provided with support reinforcing ledges, thus it can not only fix igniter, company
It is connected on diesel engine exhaust, and oil nozzle fixture, tracheae mouth can be installed and determines part, igniter insulating plug, igniting
Rod coaming plate, and thermal store oversheath.4th, using the design of refractory ceramics sealant sealing fixing point lighted torch lead and fire rod,
It is the four of the technical characteristic of the present invention.The purpose so designed is：Because refractory ceramics glue is neutral organosilicon material, bonding
Intensity is high, and it not only has shock-absorbing cushioning effect and good high and low temperature resistance, and its temperature resistant range is -60-300 DEG C, and
Ageing-resistant performance is excellent.While the application uses it for fixing point lighted torch, fire rod lead, insulation is played to fire rod lead
With heat-insulated effect.5th, the design of fire rod coaming plate, is the five of the technical characteristic of the present invention.The purpose so designed is：It
Both the protection to fire rod lead, fire rod had been served, fluid sealant can be carried again.6th, the design of heat accumulation piece, is the skill of the present invention
The six of art feature.The purpose so designed is：Due to heat accumulation piece, surrounding is radiating rack structure in structure design, is worked as a little
After lighted torch heating power, it can absorb the heat of fire rod generation, again can distribute the heat of absorption, while can guide combustion again
Material oil realizes the purpose of thermal store high-efficiency gasification diesel oil according to specific path flows.7th, the design of fire rod insulating barrier, be
The seven of the technical characteristic of the present invention.The purpose so designed is：Because the thermal insulation layer of the application is made up of boron nitride etc.,
And boron nitride is the characteristics of have high temperature resistant, high pressure resistant, insulating properties, good heat dissipation, therefore it can not only change fire rod electric energy
The heat energy needed into igniter, and can be used simultaneously as ignition trigger device.8th, the design of air conducting dispersion plate, be
The eight of the technical characteristic of the present invention.The purpose so designed is：Because circumferencial direction is opened in the plate face of air conducting dispersion plate
Have multiple air guide holes, the air guide hole by fresh air through row water conservancy diversion and scattered, it is final igniter fire is provided needed for
The oxygen wanted.9th, the design of tapered air combustion tube：It is the nine of the technical characteristic of the present invention.The purpose so designed is：By
It is stainless steel reduced pipe in tapered air combustion tube, pipe is provided with air inflow openings, and the air inflow openings can guide fresh sky
Gas enters combustion chamber and collectively constituted with air-flow guide collar, loudspeaker air heat storage tube, flow rotation fan blade in igniter combustion chamber, draws
Pilot oil fully burns by specific direction.10th, the design of taper tube oversheath, is the ten of the technical characteristic of the present invention.So set
The purpose of meter is：Taper tube oversheath and tapered air combustion tube, taper pipe end-cap composition fresh air heating chamber, are used for
Give fresh air heating.11st, the design of loudspeaker conduit, is the technical characteristic 11 of the present invention.The purpose so designed is：Should
Loudspeaker conduit can protect fire rod not blow cold by fresh air or blow out, while also functioning to the water conservancy diversion work to fresh air
With.12nd, the design of loudspeaker air heat storage tube, is the 12 of the technical characteristic of the present invention.The purpose so designed is：Loudspeaker are empty
Gas heat storage tube is stainless steel reduced pipe, and it can play a part of stable and guide to burned flame, while ensureing that fuel oil can be fully
Burning.13rd, the design of taper air flow guiding leaf, is the technical characteristic 13 of the present invention.The purpose so designed is：Taper gas
Conductance stream leaf is special stainless steel plate, and it can be to engine exhaust through row rectification.14th, go out the design of fire expansion leaf, be the present invention
Technical characteristic 14.The purpose so designed is：Go out fire expansion leaf and use stainless steel pressing, it can be to flame and air-flow
Rectification through row clockwise or counterclockwise, plays uniform dispersed flame and thermal current, makes it equably to DPF traps
Fast end face, so as to avoid flame and thermal current from concentrating heating of the zonule to DPF, is solved by thermal regeneration inward outside
The problem of DPF frequent regenerations caused by the regeneration of DPF artefacts.15th, the design of igniter fan blade oversheath, is the technology of the present invention
The 15 of feature.The purpose so designed is：Can either be used to the low-temperature igniter to install due to igniter fan blade oversheath,
Be connected on blast pipe, play a part of fixed and protect igniter, at the same have again guiding exhaust airstream and igniter flame and
The effect of thermal current.16th, the design of flow spoiler, is the 16 of the technical characteristic of the present invention.The purpose so designed is：Guiding
With change enter flow spoiler thermal current flow direction and flow velocity so that with go out fire expansion leaf together serve avoid flame and
Thermal current concentrates heating of the zonule to DPF, solves the problem of the caused DPF frequent regenerations of DPF artefacts regeneration.17、
The design of air-flow guide collar, is the 17 of the technical characteristic of the present invention.The purpose so designed is：Due to air-flow guide collar pair
Fresh air, which is played, changes nyctitropic effect, it is ensured that fresh air is sufficiently mixed with fuel-steam, reaches the purpose burnt completely.
18th, the design of taper pipe end-cap, is the 18 of the technical characteristic of the present invention.The purpose so designed is：Due to taper pipe end
Lid and tapered air combustion tube, taper tube oversheath composition fresh air heating chamber, realize the purpose heated to fresh air.
19th, the design of thermal store bottom, is the 19 of the technical characteristic of the present invention.The purpose so designed is：Due to thermal store bottom
Lid constitutes fuel Heating passage with thermal store inner sheath, thermal store top cover, heat accumulation piece, thermal store partition heat accumulation body canal, thereon
Provided with nozzle opening, bootable fuel-steam or fuel oil are sprayed by specific position and direction, be which is provided with oil pipe hole, can be made oil
Pipe is attached to inside thermal store.20th, the design of thermal store oversheath, is the 20 of the technical characteristic of the present invention.So design
Purpose is：Because thermal store oversheath and thermal store inner sheath, thermal store top cover, thermal store bottom constitute thermal store insulation
Layer, is realized to thermal store through row isothermal holding.21st, the design of heat accumulation body canal, is the 21 of the technical characteristic of the present invention.
The purpose so designed is：Because heat accumulation body canal is using square or circular stainless steel pipe, it can realize that fire rod is pacified
Dress is fixed, while the heat energy of fire rod can be delivered in heat accumulation piece again.22nd, the design of thermal store partition, is the skill of the present invention
The 22 of art feature.The purpose so designed is：Thermal store partition is used to form certain between heat accumulation piece
Fuel Heating passage, it is ensured that fuel oil is passed through.23rd, it is the technology of the present invention using design of the carbon paper as insulation material
The 23 of feature.The purpose so designed is：Because carbon paper uses graphite high-temperature-resistant thermal-insulation material, use it for storing
Hot body is through row isothermal holding, high insulating effect.
Technical scheme：A kind of special bend pipe flow spoiler of Diesel engine DPF low-temp recovery igniters, is protected in bend pipe fan blade
Set, bend pipe fan blade oversheath, multi-disc turbulence blades, inlet flange and outlet(discharge) flange are constituted；Multi-disc turbulence blades spacing is distributed in
Bend pipe fan blade inner sheath is interior and the direct-view of multi-disc spoiler is 360 degree of distributions, and bend pipe fan blade oversheath hollow sleeve is in bend pipe fan blade
On sheath and bend pipe fan blade inner sheath and bend pipe fan blade oversheath two ends are connected with inlet flange and outlet(discharge) flange respectively.
The present invention is compared with background technology, and solving can not realize end face by closing inward outside during DPF trap regenerations
The technical barrier of the permanent regeneration in face, it is to avoid the brought DPF traps frequent regeneration of local regeneration, hardening crack and hot-spot is led
The potential inflammable risk of the dpf regeneration of cause.
Brief description of the drawings
Fig. 1 is the structural representation of the special bend pipe flow spoiler of Diesel engine DPF low-temp recovery igniters.
Fig. 2 be in Fig. 3 A-A to cross section structure diagram.
Fig. 3 is the structural representation of Diesel engine DPF low-temp recovery igniters.
Fig. 4 is Fig. 3 side structure schematic view.
Fig. 5 is the structural representation of tapered air combustion tube in Fig. 3.
Fig. 6 is the structural representation that the hollow conductance flow points of Fig. 3 fall apart.
Fig. 7 is the structural representation of air-flow guide collar in Fig. 3.
Fig. 8 is the structural representation of thermal store bottom in Fig. 3.
Fig. 9 is the structural representation of igniter flange in Fig. 3.
Figure 10 is the structural representation of fire rod coaming plate in Fig. 3.
Figure 11 is taper tube oversheath in Fig. 3（Pipe）Structural representation.
Figure 12 is the structural representation of loudspeaker conduit in Fig. 3.
Figure 13 is Figure 12 dimensional structure diagram.
Embodiment
Embodiment 1：Referring to the drawings 1.A kind of special bend pipe flow spoiler of Diesel engine DPF low-temp recovery igniters, it is special
Levying is：By bend pipe fan blade inner sheath 31, bend pipe fan blade oversheath 32, multi-disc turbulence blades（35,36,43）, the and of inlet flange 33
Outlet(discharge) flange 36 is constituted；The spacing of multi-disc turbulence blades 35 is distributed in bend pipe fan blade inner sheath 31 and the direct-view of multi-disc spoiler 35 is
360 degree of distributions（I.e. in inlet flange or outlet(discharge) flange, look at straight as 360 degree of distributions）, the hollow sleeve of bend pipe fan blade oversheath 32 exists
On bend pipe fan blade inner sheath 31 and bend pipe fan blade inner sheath 31 and the two ends of bend pipe fan blade oversheath 32 respectively with inlet flange 33 and
Outlet(discharge) flange 36 is connected.Turbulence blades I 35 are special stainless steel plate stamping part, installed in the inside of bend pipe fan blade inner sheath 31,
Arc-shaped edges connect with bend pipe fan blade inner sheath 31, and surface is in 45 ° ± 5 ° with flow spoiler entrance face；Turbulence blades II 36
For special stainless steel plate stamping part, installed in the inside of bend pipe fan blade inner sheath 31, arc-shaped edges and the nothing of bend pipe fan blade inner sheath 31
Seam connection connects, and surface is in 60 ° ± 5 ° with flow spoiler entrance face, and is 20MM-30MM with the minimum spacing of spoiler I 35；Flow-disturbing
The special stainless steel plate stamping part of blade III 43, installed in the inside of bend pipe fan blade inner sheath 31, arc-shaped edges in bend pipe fan blade with protecting
Set 31 connects, and surface is in 60 ° ± 5 ° with flow spoiler entrance face, and is 20MM- with the minimum spacing of spoiler II 36
30MM。
Embodiment 2：Referring to the drawings 2-13.On the basis of embodiment 1, one kind constitutes Diesel engine by flow distortion of elbow device
DPF low-temp recovery igniters, including fire rod assembly, thermal store assembly, ignition chamber assembly, igniter fan blade oversheath 14
Front end is connected with fire rod assembly, and thermal store assembly, ignition chamber assembly are located in point device fan blade oversheath 14, fluid rectification
Cover is located in igniter fan blade oversheath 14 and straight to a combustion chamber assembly rear end, the rear end of igniter fan blade oversheath 14 and flow-disturbing
Device front end is connected.Flow distortion of elbow device is by bend pipe fan blade inner sheath 31, bend pipe fan blade oversheath 32, multi-disc turbulence blades（35,36,
43）, inlet flange 33 and outlet(discharge) flange 36 constitute；The spacing of multi-disc turbulence blades 35 is distributed in bend pipe fan blade inner sheath 31 and many
The direct-view of piece spoiler 35 is 360 degree of distributions（I.e. in inlet flange or outlet(discharge) flange, look at straight as 360 degree of distributions）, bend pipe fan blade
The hollow sleeve of oversheath 32 is on bend pipe fan blade inner sheath 31 and bend pipe fan blade inner sheath 31 and the two ends of bend pipe fan blade oversheath 32 are divided
It is not connected with inlet flange 33 and outlet(discharge) flange 36.
Turbulence blades I 35 are special stainless steel plate stamping part, installed in the inside of bend pipe fan blade inner sheath 31, arc-shaped edges with
Bend pipe fan blade inner sheath 31 connects, and surface is in 45 ° ± 5 ° with flow spoiler entrance face；Turbulence blades II 36 for abnormity not
Become rusty steel stamping part, and installed in the inside of bend pipe fan blade inner sheath 31, arc-shaped edges connect with bend pipe fan blade inner sheath 31,
Surface is in 60 ° ± 5 ° with flow spoiler entrance face, and is 20MM-30MM with the minimum spacing of spoiler I 35；Turbulence blades III 43 are different
Shape stainless steel plate stamping parts, installed in the inside of bend pipe fan blade inner sheath 31, arc-shaped edges and the seamless company of bend pipe fan blade inner sheath 31
Connect, surface is in 60 ° ± 5 ° with flow spoiler entrance face, and be 20MM-30MM with the minimum spacing of spoiler II 36.
Fluid radome fairing by loudspeaker air heat storage tube 12, taper air flow guiding leaf 13 and go out fire expansion leaf 14 constitute；Loudspeaker
The big opening end of air heat storage tube 12 is equipped with out fire expansion leaf 14, and taper air flow guiding leaf 13 is distributed in the outer wall of loudspeaker air heat storage tube 12
And air flow guiding leaf 13 is touched with the inwall of igniter fan blade oversheath 15 that is enclosed on thereon, the osculum end of loudspeaker air heat storage tube 12 with
The rear port of taper tube outer protection tube 10 connects.
Loudspeaker air heat storage tube 12 uses stainless steel reduced pipe, burned flame is play a part of stable and guided, simultaneously
Ensure that fuel oil can fully burn.Taper air flow guiding leaf 13 uses special stainless steel plate, can be to engine exhaust through row rectification.Go out
Fire expansion leaf 14 uses stainless steel pressing, gentle to flame to flow through the rectification of row clockwise or counterclockwise, rises uniform scattered
The effect of flame and thermal current.Igniter fan blade oversheath 15 uses stainless steel pipe, for low-temperature igniter to be installed, connected
Onto blast pipe, play a part of fixed and protect igniter, while guiding exhaust airstream, igniter flame and thermal current.
In ignition chamber assembly in loudspeaker conduit 11 straight length end by fire rod 7 and the atomizer of thermal store bottom 19,
Oil pipe hole is trapped among in it and straight length subordinate portion is provided with air intlet, and the inwall of tapered air combustion tube 9 is scattered by air conducting
Plate 8 and air-flow guide collar 17 respectively with straight length in loudspeaker conduit 11 and the loudspeaker section clamping and front port of tapered air combustion tube 9
Connect with thermal store bottom 19, the rear port of tapered air combustion tube 9 is with being enclosed on the rear end inwall card of taper tube outer protection tube 10 thereon
Connect, the front end of taper tube outer protection tube 10 is equipped with taper pipe end-cap 18.
Loudspeaker section in loudspeaker conduit 11 is formed by several with loudspeaker conduit straight length for the enlarging of conduit bar 1101 connected, is led
It is groove 1102 between pipe bar and conduit bar, loudspeaker conduit straight tube pars infrasegmentalis is provided with air intlet 1103.Loudspeaker conduit 11 is used
Stainless steel workpiece, effect is to protect fire rod 7 not blow cold by fresh air or blow out, and fresh air is led while also functioning to
Stream is acted on.
Tapered air combustion tube 9 uses stainless steel reduced pipe, with air-flow guide collar 17, loudspeaker air heat storage tube 12, air-flow
Rotating blading 14 collectively constitutes igniter combustion chamber, and guiding fuel oil fully burns by specific direction, which is provided with air inflow openings,
That is the front portion of tapered air combustion tube 9 is provided with air admission hole 901, and fresh air can be guided to enter in combustion chamber.
Taper tube oversheath 10 uses stainless steel pipe, and tapered air combustion tube 9, taper pipe end-cap 18 to constitute fresh sky
Gas heating chamber, for being heated to fresh air.
The periphery of air conducting dispersion plate 8 has multiple air guide holes 801.Air conducting dispersion plate is processed using stainless steel
Part, effect is through row water conservancy diversion and scattered, the final oxygen provided required for igniter fire to fresh air.
The inside and outside wall of air-flow guide collar 17 inclined-plane 1701 and 1702 in a ring.Air-flow guide collar 17 uses stainless steel punching press
Part, plays to fresh air and changes nyctitropic effect, it is ensured that fresh air is sufficiently mixed with fuel-steam, reach what is burnt completely
Purpose.
Thermal store assembly is by heat accumulation piece 6, heat accumulation partition 22, thermal store bottom 19, thermal store oversheath 20, heat accumulation body canal
21st, thermal store inner sheath 23, thermal store top cover 24, carbon paper 30 are constituted；Thermal store bottom 19, heat accumulation body canal 21, in thermal store
Sheath 23, thermal store top cover 24 constitute heat accumulation body shell, and heat accumulation piece 6, heat accumulation partition 22 are staggeredly fixed on heat accumulation body canal 21, are stored up
Hot external sheath 20 is enclosed on thermal store inner sheath 23 by carbon paper 30, and the oil inlet of oil pipe 25 is with being located on the end of igniter flange 3
Inlet nozzle is connected, and the stage casing of oil pipe 25 bends to spring-like and installed in tapered air combustion tube 9, and the oil-out of oil pipe 25 passes through storage
The hot oil pipe hole position of body bottom 19 is in thermal store inner sheath 23 and is embedded in the oil pipe neck of heat accumulation piece 6.
Heat accumulation piece 6 uses stainless steel pressing, for absorbing and accumulating the heat produced after fire rod 7 is powered, draws simultaneously
Fuel oil is led according to specific path flows.Heat accumulation piece 6 and heat accumulation partition 22, thermal store bottom 19, thermal store oversheath 20, storage
Hot body canal 21, thermal store inner sheath 23, thermal store top cover 24, the combination of carbon paper 30 constitute thermal store.
Thermal store bottom 19 uses stainless steel pressing, for protecting heat accumulation piece, with thermal store inner sheath 23, thermal store top
Lid 24, heat accumulation piece 6, the heat accumulation body canal 21 of thermal store partition 22 constitute fuel Heating passage, which is provided with nozzle opening, nozzle opening is straight
Footpath is Φ 0.8 or Φ 1.0 or Φ 1.2 or Φ 1.5 or Φ 1.7 or Φ 2.0, and bootable fuel-steam or fuel oil press specific position
With direction injection.Oil pipe hole is which is provided with, oil pipe 25 can be made to be attached to inside thermal store.
Thermal store oversheath 20 uses stainless steel pipe, for protecting thermal store, with thermal store inner sheath 23, thermal store top
Lid 24, thermal store bottom 19 constitute thermal store heat-insulation layer, to thermal store through row isothermal holding.
Heat accumulation body canal 21 is using square or circular stainless steel pipe, for installing fixing point lighted torch 7, while fire rod
Heat energy be delivered in heat accumulation piece.
Thermal store partition 22 uses stainless steel pressing, for forming certain fuel Heating passage between heat accumulation piece 6.
Thermal store inner sheath 23 uses stainless steel pipe, protection heat accumulation piece 6 and thermal store partition 22, constitutes fuel Heating and leads to
Road or cavity.
Thermal store top cover 24 uses stainless steel pressing, protection heat accumulation piece 6 and thermal store partition 22, constitutes fuel Heating and leads to
Road or cavity.
Thermal store bottom 19 stretches out hole 1901, nozzle opening 1902 and oil pipe hole 1903 provided with heating rod.Oil spout bore dia
For Φ 0.8 or Φ 1.0 or Φ 1.2 or Φ 1.5 or Φ 1.7 or Φ 2.0.
Igniter flange 3 is surrounded by fixing hole ear 301 and for fixing point firearm fan blade oversheath in fire rod assembly
15, the inner chamber of igniter flange 3 is provided with support reinforcing ledges 305 and for installing thermal store assembly；Draw with igniting the rear end of fire rod 7
Line 1 is sealed in the sealing being made up of fire rod coaming plate 5, igniter flange 3, fire rod cover plate 29 between connecting using fluid sealant 4
Intracavitary.Fire rod：A kind of electric resistor heater, thermal insulation layer is made up of boron nitride etc., and main function is to convert electrical current into
The heat energy needed into igniter, while providing can use as ignition trigger device.
Igniter flange 3 is used to igniter fix, is connected on blast pipe, flange simultaneously or is provided with oil pipe and fix
Part 27, tracheae fixture 28, igniter insulating plug 2, fire rod coaming plate 29, thermal store oversheath 23.
Fluid sealant：One kind 4 uses refractory ceramics glue, for fixing point lighted torch 7, fire rod lead 1, while drawing to fire rod
Line plays insulation and heat-insulated effect.
Fire rod coaming plate 5 uses stainless steel pressing, for protecting fire rod lead 1, fire rod 7, carries fluid sealant 4.
The sidepiece of igniter flange 3 is provided with ignition fuse installation cavity 302, valve mounting hole 303, oil nozzle mounting hole 304.
Valve mounting hole 303, oil nozzle mounting hole 304 on igniter flange 3 are separately installed with valve fixture 28 and oil
Mouth fixture 27.
Igniter flange 3 is built-in with igniter flange plug 2.Igniter insulating plug 2 uses aluminum silicate ceramic device, for solid
Pinpoint lighted torch lead 1, at the same play fire rod lead 1 is insulated, the protective effect such as heat-insulated.
Fire rod lead 1 is using the pure nickel of resistance to 500 DEG C of high temperature above or the electric wire of nickel plating, for being provided to heating rod
DC24V, DC12V, AC220/50hz, AC110/50HZ power supply.Fire rod 7 is to be cased with electric resistor heater, fire point rod 7
Thermal insulation layer.
The igniting renovation process of the special bend pipe flow spoiler of its Diesel engine DPF low-temp recovery igniters, is passed through to fire rod 7
The continued power of row a period of time, finally causes heat accumulation piece 6, and thermal store partition 22 can lay in enough heat energy（Filament saturation）,
Then simultaneously or timesharing starts fuel feeding and supply, the heat of heat accumulation piece 6 causes fuel oil（Diesel oil）Oil vapour is gasificated into, and is reached
Fuel oil（Diesel oil）Ignition temperature, by the nozzle opening on thermal store bottom 19, be ejected into loudspeaker conduit 11, while fresh
Air finally 11 mixed in loudspeaker conduit with oil vapour by gas channels, by the front end high temperature head trigger point of fire rod 7
Combustion, forms naked light, and oil pipe stage casing bent portion and air heating chamber receive the heat of naked light so that fuel feeding is at tubing bending
High temperature oil vapour is persistently gasificated into, while supply just enters taper combustion tube 9 and oil vapour mixing ignition after heating, so
Ensure that the continuity of whole combustion process；Gas mixture in tapered air combustion tube 9 and loudspeaker air heat storage tube 12, go out
Obtain after fully burning to greatest extent, be ejected into through going out fire expansion leaf 14 by lighting a fire in the combustion chamber that fire expansion leaf 14 is constituted
The air-flow mixing chamber that device fan blade oversheath 15 and flow spoiler are constituted, through going out fire expansion leaf 14 rectification, herein thermal current with
Flame is in clockwise（Counterclockwise）Rotation, while rectification of the engine exhaust through taper air flow guiding leaf 13, into air-flow mixing
The air-flow of room is also in clockwise（Counterclockwise）Rotation, thermal current, flame, motor exhaust further burn in air-flow mixing chamber
And after being well mixed, the flow-disturbing through flow spoiler can discharge mixed airflow straight uniform）, it is ensured that discharge air-flow mixing chamber
The uniformity of air flow rate and Temperature Distribution, so as to ensure the random effective and DPF of temperature control point complete regeneration.Diesel engine
The special bend pipe flow spoiler of DPF low-temp recovery igniters sprays flame in diameter 4cm caliber, by repeatedly mixing, fully
Burning, finally causes thermal current to be diffused into a diameter of 30cm planes, gas flow temperature is consistent with uniform flow distribution, and temperature reaches
To more than 600 DEG C.
It is to be understood that：Although above-described embodiment is contrasted to the mentality of designing of the present invention, detailed word is retouched
State, but these word descriptions, simply to the simple text description of mentality of designing of the present invention, rather than to mentality of designing of the present invention
Limitation, any combination without departing from mentality of designing of the present invention, increase or change, each fall within protection scope of the present invention.
Claims (1)
1. a kind of special bend pipe flow spoiler of Diesel engine DPF low-temp recovery igniters, it is characterized in that：Protected in bend pipe fan blade
Set, bend pipe fan blade oversheath, multi-disc turbulence blades, inlet flange and outlet(discharge) flange are constituted；Multi-disc turbulence blades spacing is distributed in
Bend pipe fan blade inner sheath is interior and the direct-view of multi-disc spoiler is 360 degree of distributions, and bend pipe fan blade oversheath hollow sleeve is in bend pipe fan blade
On sheath and bend pipe fan blade inner sheath and bend pipe fan blade oversheath two ends are connected with inlet flange and outlet(discharge) flange respectively, spoiler
Effect be guiding and change enter flow spoiler thermal current flow direction and speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410847051.8A CN104564248B (en) | 2014-12-31 | 2014-12-31 | The special bend pipe flow spoiler of Diesel engine DPF low-temp recovery igniters |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410847051.8A CN104564248B (en) | 2014-12-31 | 2014-12-31 | The special bend pipe flow spoiler of Diesel engine DPF low-temp recovery igniters |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104564248A CN104564248A (en) | 2015-04-29 |
| CN104564248B true CN104564248B (en) | 2017-10-27 |
Family
ID=53081201
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410847051.8A Expired - Fee Related CN104564248B (en) | 2014-12-31 | 2014-12-31 | The special bend pipe flow spoiler of Diesel engine DPF low-temp recovery igniters |
Country Status (1)
| Country | Link |
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| CN (1) | CN104564248B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE791722A (en) * | 1971-11-26 | 1973-03-16 | Grajecki Ulrich | SEASONING GAS SAS |
| DE2942728A1 (en) * | 1979-10-23 | 1981-05-07 | Bremshey Ag, 5650 Solingen | Exhaust pipe for IC engine - has double walled construction with perforated guide blades within to provide silencing |
| US7021047B2 (en) * | 2004-07-23 | 2006-04-04 | General Motors Corporation | Diesel exhaust aftertreatment device regeneration system |
| US8869518B2 (en) * | 2009-09-15 | 2014-10-28 | Tenneco Automotive Operating Company Inc. | Burner for a diesel aftertreatment system |
| CN204691863U (en) * | 2014-12-31 | 2015-10-07 | 杭州纯化科技有限公司 | The special bend pipe flow spoiler of diesel engine DPF low-temp recovery igniter |
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2014
- 2014-12-31 CN CN201410847051.8A patent/CN104564248B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104564248A (en) | 2015-04-29 |
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Address after: 311100 Hangzhou, Yuhang, Yuhang Economic Development Zone, Tai Po Road, No. 3, No. Applicant after: Hangzhou Huangdi Vehicle Purifier Co.,Ltd. Address before: 311100 Hangzhou, Yuhang, Yuhang Economic Development Zone, Tai Po Road, No. 3, No. Applicant before: HANGZHOU CHUNHUA TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20170907 Address after: 556000 first industrial zone, Kaili Economic Development Zone, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Applicant after: GUIZHOU HUANGDI DIESEL ENGINE CLEANER Co.,Ltd. Address before: 311100 Hangzhou, Yuhang, Yuhang Economic Development Zone, Tai Po Road, No. 3, No. Applicant before: Hangzhou Huangdi Vehicle Purifier Co.,Ltd. |
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Address after: 556099 the first industrial park of Kaili Economic Development Zone, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Patentee after: GUIZHOU HUANGDI DIESEL ENGINE CLEANER CO.,LTD. Address before: 556000 the first industrial park of Kaili Economic Development Zone, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Patentee before: GUIZHOU HUANGDI DIESEL ENGINE CLEANER Co.,Ltd. |
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Denomination of invention: Special elbow spoiler for diesel engine DPF low temperature regenerative igniter Effective date of registration: 20220424 Granted publication date: 20171027 Pledgee: Guizhou Kaili Rural Commercial Bank Co.,Ltd. Development Zone sub branch Pledgor: GUIZHOU HUANGDI DIESEL ENGINE CLEANER CO.,LTD. Registration number: Y2022520000021 |
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