CN103363520B - There is the few-oil ignition device of flame stabilization function - Google Patents
There is the few-oil ignition device of flame stabilization function Download PDFInfo
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- CN103363520B CN103363520B CN201310215218.4A CN201310215218A CN103363520B CN 103363520 B CN103363520 B CN 103363520B CN 201310215218 A CN201310215218 A CN 201310215218A CN 103363520 B CN103363520 B CN 103363520B
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- Prior art keywords
- few
- oil
- wind sheltering
- oil ignition
- pipe
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- 230000006641 stabilisation Effects 0.000 title claims abstract description 14
- 238000011105 stabilization Methods 0.000 title claims abstract description 14
- 230000000694 effects Effects 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 abstract description 7
- 238000010304 firing Methods 0.000 abstract description 2
- 238000010248 power generation Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 58
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 239000002817 coal dust Substances 0.000 description 4
- 239000002283 diesel fuel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Abstract
The invention discloses a kind of few-oil ignition device with flame stabilization function, comprise the few-oil ignition oil gun and flame holder that are arranged in First air nozzles, axial arranged wind sheltering pipe is also provided with in described First air nozzles, described few-oil ignition oil gun is axially disposed within wind sheltering pipe, described flame holder uses the umbrella that structure is activity, and one end that flame holder bore is little is connected with wind sheltering pipe one end near few-oil ignition oil gun muzzle.The present invention have structure simple, easy to operate, be suitable for various types of boiler and the low feature of cost, thermal power generation boiler firing technique field can be widely used in.<!--1-->
Description
Technical field
The present invention relates to thermal power generation boiler firing technique field, particularly relate to a kind of few-oil ignition device with flame stabilization function.
Background technology
Heat power plant boiler igniting is substantially all adopt high-energy igniter-light light diesel fuel---the two-stage ignition mode of the coal dust that ignites, such boiler, from cold start, to complete oil-break, needs a large amount of light diesel fuel that burns.In recent years, due to rising violently of light diesel fuel price, the operated pressure in each power plant is unprecedentedly surging, the transformation of kinds of schemes has been carried out in attempt of forcing each power plant do one's utmost in fuel oil consumption, to significantly reducing fuel consume, each production firm have also been developed the many new technology, the new equipment that reduce oil consumption, as plasma ignition device, Tiny-oil ignition device, few-oil ignition device etc.These new technologies, new equipment serve sizable effect to the fuel-economizing of power plant really, and wherein, few-oil ignition device is paid close attention to widely because its oil-saving effect obviously obtains industry.
Few-oil ignition oil gun due to existing few-oil ignition device must be placed in First air nozzles, and this brings a huge difficult problem with regard to giving the smooth combustion of few-oil ignition oil gun.Because First air all directly blows, existing stabilizer can have a strong impact on the burning of coal dust in First air nozzles, and does not establish stabilizer few-oil ignition oil gun smooth combustion even all cannot cannot put and catch fire.Just because of this, now all few-oil ignition devices are all to transform First air nozzles to realize few-oil ignition, and the method for existing transformation First air nozzles is nearly all increase bluff body in First air nozzles, the environment manufacturing an applicable few-oil ignition oil gun burning solves a difficult problem for few-oil ignition oil gun smooth combustion.The appearance of bluff body, changes the fired state of First air nozzles, and bringing adverse effect to the long-term burning of First air nozzles, is lose more than gain.And bluff body requires that high, high in cost of production feature neither each power plant be applicable to installing additional because of its installation environment.
Summary of the invention
The object of the invention is the deficiency in order to overcome above-mentioned background technology, a kind of few-oil ignition device with flame stabilization function be provided, make it have structure simple, easy to operate, be suitable for various types of boiler and the low feature of cost.
A kind of few-oil ignition device with flame stabilization function provided by the invention, comprise the few-oil ignition oil gun and flame holder that are arranged in First air nozzles, axial arranged wind sheltering pipe is also provided with in described First air nozzles, described few-oil ignition oil gun is axially disposed within wind sheltering pipe, described flame holder uses the umbrella that structure is activity, and one end that flame holder bore is little is connected with wind sheltering pipe one end near few-oil ignition oil gun muzzle.
In technique scheme, described flame holder comprises along wind sheltering tube end circumferentially and the activity fan blades be superimposed with each other together, one end that described active fan chip size is little and wind sheltering tube end hinged, be fixed with push rod inside one end that active fan chip size is little, the radial distance between described wind sheltering tube hub axis and push rod the inner is less than the radius of few-oil ignition oil gun.
In technique scheme, described push rod is along wind sheltering caliber to setting.
In technique scheme, between described push rod and wind sheltering inside pipe wall, be provided with back-moving spring.
In technique scheme, described in keep away dust diameter be ∮ 89mm, one end diameter that when described flame holder uses, bore is large is ∮ 200mm.
The few-oil ignition device with flame stabilization function of the present invention, there is following beneficial effect: 1, because the flow area of wind sheltering pipe only accounts for 3% of First air nozzles flow area, the wind sheltering pipe installed additional on the burning of First air nozzles almost without any impact, avoid the unfavorable factor bringing impact to First air burner combustion state, not only structure is simple, also maintains the original appearance of First air nozzles well; 2, do not need to change First air nozzles, install and even do not need to take burner hearth shelf, boiler is outer just can installation, a light maintenance phase can complete, easy to operate; 3, do not need to increase complicated ignition system, only need few-oil ignition oil gun to be transplanted in First air nozzles, oil supply system and control system do not need to do any change, rely on original system and just can complete a little to fight and realize fuel-economizing, be suitable for various types of boiler, with low cost.
Accompanying drawing explanation
Fig. 1 is the structural representation before the present invention has the few-oil ignition device use of flame stabilization function;
Fig. 2 be the present invention have flame stabilization function few-oil ignition device use time structural representation.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail, but this embodiment should not be construed as limitation of the present invention.
See Fig. 1, the few-oil ignition device with flame stabilization function of the present invention, comprises few-oil ignition oil gun 1, flame holder 2, wind sheltering pipe 3 and back-moving spring 4.
Be provided with the wind sheltering pipe 3 that axial arranged diameter is ∮ 89mm in First air nozzles (not shown), described few-oil ignition oil gun 1 is axially disposed within wind sheltering pipe 3.Described flame holder 2 to comprise along wind sheltering pipe 3 end circumferentially and the activity fan blades 2.1 be superimposed with each other together, one end that described activity fan blades 2.1 size is little and wind sheltering pipe 3 end hinged, the push rod 2.2 arranged along wind sheltering pipe 3 radial direction is fixed with inside one end that activity fan blades 2.1 size is little, radial distance between described wind sheltering pipe 3 central axis and push rod 2.2 the inner is less than the radius of few-oil ignition oil gun 1, is provided with back-moving spring 4 between described push rod 2.2 and wind sheltering pipe 3 inwall.This structural configuration of described flame holder 2 can ensure to use the umbrella that structure is activity, and one end that wherein flame holder 2 bore is large is towards the side deviating from wind sheltering pipe 3.
By installing the wind sheltering pipe 3 that a diameter is ∮ 89mm in First air nozzles spout, and few-oil ignition oil gun 1 is placed in this root wind sheltering pipe 3, and flame holder 2 is set in one end of wind sheltering pipe 3, to realize when few-oil ignition oil gun 1 is advancing to the position preparation igniting, driven forward push rod 2.2 the synchronous activity fan blades 2.1 by wind sheltering pipe 3 end are opened and form the flame holder 2 that a diameter is ∮ 200mm as umbrella, described flame holder 2 can protect the primary atomization section of few-oil ignition oil gun 1 well, few-oil ignition oil gun 1 is made to light a fire easily, and ensure that few-oil ignition oil gun 1 can smooth combustion and not blown out by First air well.Such few-oil ignition oil gun 1 just can well mix combustion together with coal dust, realizes substituting light diesel fuel igniting with a small amount of fuel oil coal dust that ignites, and finally realizes the object of fuel-economizing.And when igniting complete First air nozzles need sustained combustion time, exit few-oil ignition oil gun 1, flame holder 2 will along with exiting of few-oil ignition oil gun 1 as umbrella in automatic retraction wind sheltering pipe 3 under the effect of back-moving spring 4, reduction First air nozzles directly blow function.At this moment, diameter due to First air nozzles is ∮ 500mm, the flow area of wind sheltering pipe 3 only accounts for 3% of First air nozzles flow area, the wind sheltering pipe 3 installed additional on the burning of First air nozzles almost without any impact, this just maintains the original appearance of First air nozzles well.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
The content be not described in detail in this description belongs to the known prior art of professional and technical personnel in the field.
Claims (4)
1. one kind has the few-oil ignition device of flame stabilization function, comprise the few-oil ignition oil gun (1) and flame holder (2) that are arranged in First air nozzles, it is characterized in that: in described First air nozzles, be also provided with axial arranged wind sheltering pipe (3), described few-oil ignition oil gun (1) is axially disposed within wind sheltering pipe (3), described flame holder (2) uses the umbrella that structure is activity, one end that flame holder (2) bore is little is connected with wind sheltering pipe (3) one end near few-oil ignition oil gun (1) muzzle, described flame holder (2) comprises along wind sheltering pipe (3) end circumferentially, and the activity fan blades (2.1) be superimposed with each other together, one end that described activity fan blades (2.1) size is little and wind sheltering pipe (3) end hinged, push rod (2.2) is fixed with inside one end that activity fan blades (2.1) size is little, radial distance between described wind sheltering pipe (3) central axis and push rod (2.2) the inner is less than the radius of few-oil ignition oil gun (1).
2. the few-oil ignition device with flame stabilization function according to claim 1, is characterized in that: described push rod (2.2) is arranged along wind sheltering pipe (3) radial direction.
3. the few-oil ignition device with flame stabilization function according to claim 2, is characterized in that: be provided with back-moving spring (4) between described push rod (2.2) and wind sheltering pipe (3) inwall.
4. the few-oil ignition device with flame stabilization function according to any one of claim 1 to 3, it is characterized in that: described wind sheltering pipe (3) diameter is ∮ 89mm, one end diameter that when described flame holder (2) uses, bore is large is ∮ 200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310215218.4A CN103363520B (en) | 2013-05-31 | 2013-05-31 | There is the few-oil ignition device of flame stabilization function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310215218.4A CN103363520B (en) | 2013-05-31 | 2013-05-31 | There is the few-oil ignition device of flame stabilization function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103363520A CN103363520A (en) | 2013-10-23 |
| CN103363520B true CN103363520B (en) | 2015-12-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310215218.4A Expired - Fee Related CN103363520B (en) | 2013-05-31 | 2013-05-31 | There is the few-oil ignition device of flame stabilization function |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101191614A (en) * | 2006-12-01 | 2008-06-04 | 郑平安 | General purpose coal dust micro-oil igniting method |
| CN101545632A (en) * | 2009-04-30 | 2009-09-30 | 深圳东方锅炉控制有限公司 | Micro oil pulverized coal burner |
| CN101561150A (en) * | 2009-06-02 | 2009-10-21 | 向卫 | Oxygen-enriched tiny-oil ignition combustion-stabilizing device |
| CN203404775U (en) * | 2013-05-31 | 2014-01-22 | 刘国朋 | Low-oil ignition device having flame stabilizing function |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07198113A (en) * | 1994-01-11 | 1995-08-01 | Mitsubishi Heavy Ind Ltd | Flame holding device for burner |
| JP2860282B2 (en) * | 1996-01-19 | 1999-02-24 | ホダカ株式会社 | Liquid combustion burner |
-
2013
- 2013-05-31 CN CN201310215218.4A patent/CN103363520B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101191614A (en) * | 2006-12-01 | 2008-06-04 | 郑平安 | General purpose coal dust micro-oil igniting method |
| CN101545632A (en) * | 2009-04-30 | 2009-09-30 | 深圳东方锅炉控制有限公司 | Micro oil pulverized coal burner |
| CN101561150A (en) * | 2009-06-02 | 2009-10-21 | 向卫 | Oxygen-enriched tiny-oil ignition combustion-stabilizing device |
| CN203404775U (en) * | 2013-05-31 | 2014-01-22 | 刘国朋 | Low-oil ignition device having flame stabilizing function |
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| Publication number | Publication date |
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| CN103363520A (en) | 2013-10-23 |
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Inventor after: Xu Hanshen Inventor after: Chang Guoming Inventor after: Jin Wencheng Inventor after: Duan Heqing Inventor before: Chang Guoming Inventor before: Jin Wencheng Inventor before: Duan Heqing |
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Effective date of registration: 20160909 Address after: 430080 Hubei Province, Wuhan City Qingshan District of Wuhan City, the forty-ninth middle school (high school) Patentee after: Liu Bingyu Address before: 430080 high school, Wuhan forty-ninth middle school, Qingshan District, Hubei, Wuhan Patentee before: Liu Guopeng |
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Effective date of registration: 20211109 Address after: 467033 Pinghu Road, Pingdingshan City, Henan Province Patentee after: Pingdingshan Yao Meng Power Generation Co.,Ltd. Patentee after: WUHAN SIQI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: Room 4-02-703, phase III, optical core center, 303 Optical Valley Avenue, Donghu New Technology Development Zone, Wuhan, Hubei 430000 Patentee before: WUHAN SIQI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. |
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