CN208686459U - A kind of burner for dpf regeneration - Google Patents
A kind of burner for dpf regeneration Download PDFInfo
- Publication number
- CN208686459U CN208686459U CN201821430475.4U CN201821430475U CN208686459U CN 208686459 U CN208686459 U CN 208686459U CN 201821430475 U CN201821430475 U CN 201821430475U CN 208686459 U CN208686459 U CN 208686459U
- Authority
- CN
- China
- Prior art keywords
- heat shield
- ignition cylinder
- cylinder
- burner
- spray nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000008929 regeneration Effects 0.000 title claims abstract description 14
- 238000011069 regeneration method Methods 0.000 title claims abstract description 14
- 239000007921 spray Substances 0.000 claims abstract description 20
- 239000000295 fuel oil Substances 0.000 claims abstract description 16
- LLPOLZWFYMWNKH-CMKMFDCUSA-N hydrocodone Chemical compound C([C@H]1[C@H](N(CC[C@@]112)C)C3)CC(=O)[C@@H]1OC1=C2C3=CC=C1OC LLPOLZWFYMWNKH-CMKMFDCUSA-N 0.000 claims abstract description 14
- 238000009792 diffusion process Methods 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 8
- 239000001301 oxygen Substances 0.000 abstract description 8
- 229910052760 oxygen Inorganic materials 0.000 abstract description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 5
- 229910052799 carbon Inorganic materials 0.000 abstract description 5
- 235000015110 jellies Nutrition 0.000 abstract description 5
- 239000008274 jelly Substances 0.000 abstract description 5
- 239000002245 particle Substances 0.000 abstract description 5
- 238000000889 atomisation Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 15
- 239000013618 particulate matter Substances 0.000 description 5
- 239000000446 fuel Substances 0.000 description 4
- 238000005192 partition Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Pressure-Spray And Ultrasonic-Wave- Spray Burners (AREA)
- Processes For Solid Components From Exhaust (AREA)
Abstract
The utility model relates to diesel motor exhaust process field, especially a kind of burner for dpf regeneration.It include: ignition cylinder, heat shield and igniter；Heat shield is equipped with air inlet, heat shield and ignition cylinder are structure open at one end, ignition cylinder is located in heat shield, igniter is located on the heat shield and protrudes into ignition cylinder, it further include hydrocone type air atomizer spray nozzle, hydrocone type air atomizer spray nozzle is located on the heat shield and protrudes into the ignition cylinder.Beneficial effect is, fuel oil is impacted by compressed air, form the atomization form that more volume is more tiny but surface area is bigger, the contact area of fuel oil and oxygen increases in this way, make burning more sufficiently more acutely, improve efficiency of combustion in this way, also prevent because burn acutely caused by be easy flame-out problem；Simultaneously compressed air by nozzle jelly and carbon particle wash open, avoid spray nozzle clogging the problem of.
Description
Technical field
The utility model relates to diesel motor exhaust process field, especially a kind of burner for dpf regeneration.
Background technique
As what tail-gas law required is increasingly stringenter, further place is needed to the particulate matter in motor exhaust
Reason, and in particulate matter trap (DPF) use process, the particulate matter of the accumulation in DPF is more and more, causes the back pressure of engine
Power increases, power dropping, reduces economy.Dpf regeneration burner is to make fuel oil full combustion in dpf regeneration burner, is produced
Raw heat improves exhaust temperature, it is ensured that the particulate matter in DPF is lighted, thus to achieve the purpose that eliminate particulate matter.
Currently, there are problems to be for existing dpf regeneration burner:
1. being easy flame-out；
2. efficiency of combustion is not high；
3. fuel oil generates jelly and carbon particle in hot conditions, make spray nozzle clogging.
Utility model content
The purpose of utility model of the utility model is: being easy to put out existing for the Burner Technology for existing dpf regeneration
Fire, the not high problem of efficiency of combustion, provide a kind of anti-stall, high combustion efficiency and prevent spray nozzle clogging for dpf regeneration
Ignition cylinder.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of burner for dpf regeneration, comprising: ignition cylinder, heat shield and igniter；Heat shield is equipped with
Air inlet, heat shield and ignition cylinder are structure open at one end, and ignition cylinder is located in heat shield, and igniter is set
It on the heat shield and protrudes into ignition cylinder, further includes hydrocone type air atomizer spray nozzle, hydrocone type air atomizer spray nozzle
It is located on the heat shield and protrudes into the ignition cylinder.
When work, motor exhaust enters burner by air inlet, and the heat shield open at one end and DPF of burner connect
Logical, tail gas enters igniting combustion barrel and provides oxygen for fuel combustion, and heated gas, which is diffused into, is connected to DPF device with burner
In, to realize the regeneration of DPF device；
The application uses hydrocone type air atomizer spray nozzle, impacts fuel oil and mixed, the pressure of high pressure by compressed air
Contracting air impacts fuel oil, forms more volume is more tiny but surface area is bigger atomization form, and such fuel oil and oxygen connect
Contacting surface product increase, makes burning more sufficiently more acutely, improve efficiency of combustion in this way, also prevents causing because burning is not violent
Be easy flame-out problem；Simultaneously compressed air by nozzle jelly and carbon particle wash open, avoid asking for spray nozzle clogging
Topic；Finally, preventing the tail gas entered in burner by air inlet from directly rushing by allowing fuel oil in ignition cylinder roasting
Brush, further reduced flame-out probability.
As a preferred embodiment of the present invention, ignition cylinder includes cylinder, and the side wall of cylinder is equipped with several diffusions
Through-hole, diffusion through-hole are used for the gas of into and out ignition cylinder is evenly dispersed.
As a preferred embodiment of the present invention, diffusion through-hole is evenly arranged on the side wall of cylinder.
As a preferred embodiment of the present invention, arrangement of the diffusion through-hole on cylinder lateral wall are as follows: close to cartridge openings end
Closeness is high, closeness far from cartridge openings end is low.
As a preferred embodiment of the present invention, mososeries baffle is equipped in heat shield, baffle is located at heat shield and igniting
Between combustion barrel, circumferentially extending of the baffle along heat shield, and the heat-insulated cover opening of covering part.
As a preferred embodiment of the present invention, baffle is several, and baffle is wrong along the axis of heat shield and contour direction
Position arrangement.
The application on the inner wall of the cylinder of burner by being arranged mososeries baffle, and spirally to arrange baffle,
When gas after making heating flows through the burner cylinder inboard wall equipped with these baffles, the effect of eddy flow is formed, makes misty combustion in this way
Material and oxygen are more evenly distributed, and burning is also more abundant, to greatly improve efficiency of combustion.
As a preferred embodiment of the present invention, air inlet lower part is equipped with the partition for shunting tail gas.
As a preferred embodiment of the present invention, air inlet is equipped with flange, and flange is for connecting offgas duct, on heat shield
Be additionally provided with for installing hydrocone type air atomizer spray nozzle nozzle holder, for temperature sensor mounted block temperature sensor and
For installing the igniting obturating plug of igniter, the central axis of air inlet and the central axis upright of ignition cylinder.In this way into
Burned flame would not be directly washed by entering the tail gas in burner, and then reduce flame-out probability.
As a preferred embodiment of the present invention, burner is made of stainless steel material.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1, fuel oil and mixed is impacted by compressed air, the compressed air of high pressure impacts fuel oil, forms more body
The contact area of the more tiny but bigger surface area atomization form of product, such fuel oil and oxygen increases, and keeps burning more sufficiently more acute
It is strong, improve efficiency of combustion in this way, also prevent because burn acutely caused by be easy flame-out problem；
2, simultaneously by compressed air by nozzle jelly and carbon particle wash open, avoid spray nozzle clogging the problem of
Detailed description of the invention
Fig. 1 is the cross-sectional view of the embodiments of the present invention 1；
Fig. 2 is the top view of the embodiments of the present invention 1；
Fig. 3 is the perspective view of the embodiments of the present invention 1；
Marked in the figure: ignition cylinder -10, spread through-hole -11, heat shield -20, air inlet -21, flange -22, partition -
23, baffle -24, igniter -30, obturating plug -31 of lighting a fire, hydrocone type air atomizer spray nozzle -40, nozzle holder -41, temperature sensing
Device seat -50, compressed air-A, fuel oil-B.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
Embodiment 1
A kind of burner for dpf regeneration as shown in Figs. 1-3, comprising: ignition cylinder 10, heat shield 20 and igniting
Device 30；Heat shield 20 is equipped with air inlet 21, and heat shield 20 and ignition cylinder 10 are structure open at one end, igniting combustion
It burns cylinder 10 to be located in heat shield 20, igniter 30 is located on the heat shield 20 and protrudes into ignition cylinder 10, further includes
Hydrocone type air atomizer spray nozzle 40, hydrocone type air atomizer spray nozzle 40 are located on the heat shield 20 and protrude into the ignition
In cylinder 10.
When work, motor exhaust enters burner, 20 open at one end of heat shield and DPF of burner by air inlet 21
Connection, tail gas enter igniting combustion barrel 10 and provide oxygen for fuel combustion, and heated gas, which is diffused into, is connected to DPF with burner
In device, to realize the regeneration of DPF device；
The application uses hydrocone type air atomizer spray nozzle 40, impacts fuel oil and mixed by compressed air, high pressure
Compressed air impacts fuel oil, forms more volume is more tiny but surface area is bigger atomization form, such fuel oil and oxygen
Contact area increase makes burning more sufficiently more acutely, improve efficiency of combustion in this way, also prevents leading because burning is not violent
What is caused is easy flame-out problem；Simultaneously compressed air by nozzle jelly and carbon particle wash open, avoid spray nozzle clogging
Problem；Finally, preventing the tail gas entered in burner by air inlet 21 straight by allowing fuel oil to burn in ignition cylinder 10
It connects and washes away, further reduced flame-out probability.
Further, ignition cylinder 10 includes cylinder, and the side wall of cylinder is equipped with several diffusion through-holes 11, spreads through-hole
11 for evenly dispersed by the tail gas of into and out ignition cylinder 10.
Further, diffusion through-hole 11 is evenly arranged on the side wall of cylinder.
Further, diffusion through-hole 11 is arranged as on cylinder lateral wall, and the closeness close to cartridge openings end is high, separate
The closeness at cartridge openings end is low.
Further, mososeries baffle 24 is equipped in heat shield 20, baffle 24 is located at heat shield 20 and ignition cylinder 10
Between, baffle 24 along heat shield 20 circumferentially extending, and covering part heat shield 20 be open.
Further, baffle 24 is several, and baffle 24 is along the axis of heat shield 20 and contour direction dislocation arrangement.
The application on the inner wall of the cylinder of burner by being arranged mososeries baffle 24, and spirally to arrange baffle
24, when the gas after making heating flows through the burner cylinder inboard wall equipped with these baffles 24, the effect of eddy flow is formed, makes mist in this way
Shape fuel and oxygen are more evenly distributed, and burning is also more abundant, to greatly improve efficiency of combustion.
Further, 21 lower part of air inlet is equipped with the partition 23 for shunting tail gas.
Further, air inlet 21 is equipped with flange 22, and flange 22 is additionally provided with use on heat shield 20 for connecting offgas duct
In installation 40 nozzle holder 41 of hydrocone type air atomizer spray nozzle, for temperature sensor mounted block temperature sensor 50 and use
In the igniting obturating plug 31 of installation igniter 30, the central axis of air inlet 21 and the central axis upright of ignition cylinder 10.
The tail gas entered in burner in this way would not directly be washed into burned flame, and then reduce flame-out probability.
Further, burner is made of stainless steel material.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (9)
1. a kind of burner for dpf regeneration characterized by comprising ignition cylinder, heat shield and igniter；
The heat shield is equipped with air inlet, and the heat shield and the ignition cylinder are structure open at one end, described
Ignition cylinder is located in the heat shield, and the igniter is located on the heat shield and protrudes into the ignition cylinder
It is interior,
It further include the hydrocone type air atomizer spray nozzle for mixing compressed air and fuel oil, the hydrocone type air atomizer spray nozzle
It is located on the heat shield and protrudes into the ignition cylinder.
2. burner according to claim 1, which is characterized in that the ignition cylinder includes cylinder, the cylinder
Side wall is equipped with several diffusion through-holes, and the diffusion through-hole is for uniformly dividing the gas of the into and out ignition cylinder
It dissipates.
3. burner according to claim 2, which is characterized in that the diffusion through-hole is evenly arranged in the side of the cylinder
On wall.
4. burner according to claim 2, which is characterized in that arrangement of the diffusion through-hole on the cylinder lateral wall
Are as follows: the closeness at high, the separate cartridge openings end of closeness close to the cartridge openings end is low.
5. burner described in any one of -4 according to claim 1, which is characterized in that be equipped with mososeries in the heat shield
Baffle, the baffle between the heat shield and the ignition cylinder, the baffle along heat shield circumferentially extending, and
The heat-insulated cover opening of covering part.
6. burner according to claim 5, which is characterized in that the baffle is several, the baffle along it is described every
The axis and contour direction dislocation arrangement of heat cover.
7. burner according to claim 6, which is characterized in that the air inlet lower part be equipped with for shunt tail gas every
Plate.
8. burner according to claim 7, which is characterized in that the air inlet is equipped with flange, and the flange is used for
Offgas duct is connected, nozzle holder for installing the hydrocone type air atomizer spray nozzle is additionally provided on the heat shield, for pacifying
Fill the block temperature sensor of temperature sensor and the igniting obturating plug for installing the igniter, the center of the air inlet
The central axis upright of axis and the ignition cylinder.
9. burner according to claim 8, which is characterized in that the burner is made of stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821430475.4U CN208686459U (en) | 2018-08-31 | 2018-08-31 | A kind of burner for dpf regeneration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821430475.4U CN208686459U (en) | 2018-08-31 | 2018-08-31 | A kind of burner for dpf regeneration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208686459U true CN208686459U (en) | 2019-04-02 |
Family
ID=65887609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821430475.4U Active CN208686459U (en) | 2018-08-31 | 2018-08-31 | A kind of burner for dpf regeneration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208686459U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999677A (en) * | 2018-08-31 | 2018-12-14 | 中自环保科技股份有限公司 | A kind of burner for dpf regeneration |
| CN110067619A (en) * | 2019-05-09 | 2019-07-30 | 平原滤清器有限公司 | Diesel fuel burner and temperature raising method for DPF temperature raising |
| CN112065538A (en) * | 2020-09-16 | 2020-12-11 | 孙金辉 | Thermal management device of diesel engine aftertreatment system |
-
2018
- 2018-08-31 CN CN201821430475.4U patent/CN208686459U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108999677A (en) * | 2018-08-31 | 2018-12-14 | 中自环保科技股份有限公司 | A kind of burner for dpf regeneration |
| CN110067619A (en) * | 2019-05-09 | 2019-07-30 | 平原滤清器有限公司 | Diesel fuel burner and temperature raising method for DPF temperature raising |
| CN110067619B (en) * | 2019-05-09 | 2024-04-12 | 平原滤清器有限公司 | Diesel burner for DPF temperature raising and temperature raising method |
| CN112065538A (en) * | 2020-09-16 | 2020-12-11 | 孙金辉 | Thermal management device of diesel engine aftertreatment system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 611731 No. 88, Gu Nan Street, hi tech Zone, Chengdu City, Sichuan Province Patentee after: Zhongzi Technology Co.,Ltd. Country or region after: China Address before: 611731 No. 88, Gu Nan Street, hi tech Zone, Chengdu City, Sichuan Province Patentee before: Sinocat Environmental Technology Co.,Ltd. Country or region before: China |