CN103363520A - Less-oil ignition device with flame holding function - Google Patents
Less-oil ignition device with flame holding function Download PDFInfo
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- CN103363520A CN103363520A CN2013102152184A CN201310215218A CN103363520A CN 103363520 A CN103363520 A CN 103363520A CN 2013102152184 A CN2013102152184 A CN 2013102152184A CN 201310215218 A CN201310215218 A CN 201310215218A CN 103363520 A CN103363520 A CN 103363520A
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- Prior art keywords
- oil
- few
- oil ignition
- wind
- ignition device
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- 230000006641 stabilisation Effects 0.000 claims description 13
- 238000011105 stabilization Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 7
- 238000010248 power generation Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 58
- 238000002485 combustion reaction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000002817 coal dust Substances 0.000 description 4
- 239000002283 diesel fuel Substances 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
- 238000004519 manufacturing process 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
- 238000010304 firing Methods 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
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Abstract
The invention discloses a less-oil ignition device with a flame holding function, which comprises a less-oil ignition oil gun and a flame holder which are positioned in a primary air burner, wherein an axially arranged air avoiding pipe is arranged in the primary air burner; the less-oil ignition oil gun is axially arranged in the air avoiding pipe; the flame holder is in a movable umbrella structure; and one end with a small aperture of the flame holder is connected with one end, close to an opening of the less-oil ignition oil gun, of the air avoiding pipe. The less-oil ignition device can be widely applied to the technical field of thermal power generation boiler ignition, and has the characteristics that the less-oil ignition device is simple in structure, convenient to operate and low in cost and is suitable for various boilers.
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 substantially all is to adopt high-energy igniter-light light diesel fuel---the two-stage ignition mode of the coal dust that ignites, and boiler to complete oil-break, needs a large amount of light diesel fuel that burn from cold start like this.In recent years, because rising violently of light diesel fuel price, the operated pressure in each power plant is unprecedentedly surging, the transformation of attempting having carried out kinds of schemes that forces each power plant do one's utmost in fuel oil consumption, to the decrease fuel consume, each production firm has also developed new technology, the new equipment of many reduction oil consumption, such as plasma ignition device, tiny-oil ignition device, few-oil ignition device etc.These new technologies, new equipment have played sizable effect to the fuel-economizing of power plant really, and wherein, the few-oil ignition device is paid close attention to widely because its oil-saving effect has obviously obtained industry.
Because the few-oil ignition oil gun of existing few-oil ignition device must place in wind nozzles, this just brings a huge difficult problem to the smooth combustion of few-oil ignition oil gun.Because one time wind all directly blows, existing stabilizer can have a strong impact on the burning of coal dust in wind nozzles, can't smooth combustion even all can't put and catch fire and do not establish stabilizer few-oil ignition oil gun.Just because of this, all few-oil ignition devices are all realized few-oil ignition to transform wind nozzles now, and the method for wind nozzles of existing transformation nearly all is to increase bluff body in wind nozzles, and the environment of making a suitable few-oil ignition oil gun burning solves the difficult problem of few-oil ignition oil gun smooth combustion.The appearance of bluff body has changed the fired state of wind nozzles, has brought adverse effect for the long-term burning of wind nozzles, is to lose more than gain.And bluff body neither each power plant be fit to install additional because its installation environment requires high, high in cost of production characteristics.
Summary of the invention
The objective of the invention is in order to overcome the deficiency of above-mentioned background technology, a kind of few-oil ignition device with flame stabilization function be provided, make its have simple in structure, easy to operate, be suitable for various types of boilers and the low characteristics 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 the flame holder that are arranged in wind nozzles, also be provided with axial arranged wind sheltering pipe in the described wind nozzles, described few-oil ignition oil gun is axially disposed within the wind sheltering pipe, described flame holder uses structure to be the umbrella of activity, and the end that the flame holder bore is little links to each other with the end of wind sheltering pipe near few-oil ignition oil gun muzzle.
In technique scheme, described flame holder comprises along wind sheltering tube end circumferential arrangement and together the active fan sheet of being superimposed with each other, an end and wind sheltering tube end that described active fan chip size is little are hinged, the end inboard that the active fan chip size is little is fixed with push rod, and 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 the wind sheltering caliber to setting.
In technique scheme, be provided with back-moving spring between described push rod and the wind sheltering inside pipe wall.
In technique scheme, described wind sheltering pipe diameter is ∮ 89mm, and the end diameter that bore was large when described flame holder used is ∮ 200mm.
Few-oil ignition device with flame stabilization function of the present invention, has following beneficial effect: 1, because the flow area of wind sheltering pipe only accounts for 3% of a wind nozzles flow area, the wind sheltering pipe that installs additional on the burning of wind nozzles almost without any impact, avoided bringing the unfavorable factor of impact to a wind burner combustion state, not only simple in structure, also kept well the original appearance of wind nozzles; 2, do not need to change the wind nozzles one time, install even do not need to take the burner hearth shelf, just can installation outside boiler, a light maintenance phase can finish, and is easy to operate; 3, do not need to increase complicated ignition system, only need the few-oil ignition oil gun is transplanted in wind nozzles, oil supply system and control system need not done any change, rely on original system and just can finish the realization fuel-economizing of a little fighting, be suitable for various types of boilers, with low cost.
Description of drawings
Fig. 1 is the front structural representation of few-oil ignition device use that the present invention has flame stabilization function;
Fig. 2 is few-oil ignition device that the present invention has the flame stabilization function structural representation when using.
The specific embodiment
The present invention is described in further detail below in conjunction with drawings and Examples, but this embodiment should not be construed as limitation of the present invention.
Referring to 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 the wind nozzles (not shown), described few-oil ignition oil gun 1 is axially disposed within the wind sheltering pipe 3.Described flame holder 2 comprises along wind sheltering pipe 3 end circumferential arrangement and together the active fan sheet 2.1 of being superimposed with each other, an end and wind sheltering pipe 3 ends that described active fan sheet 2.1 sizes are little are hinged, the end inboard that active fan sheet 2.1 sizes are little is fixed with the push rod 2.2 that radially arranges along wind sheltering pipe 3, radial distance between described wind sheltering pipe 3 central axis and push rod 2.2 the inners is provided with back-moving spring 4 less than the radius of few-oil ignition oil gun 1 between described push rod 2.2 and wind sheltering pipe 3 inwalls.This structural configuration of described flame holder 2 can guarantee to use structure to be the umbrella of activity, and the end that wherein flame holder 2 bores are large is towards a side that deviates from wind sheltering pipe 3.
By in a wind nozzles spout, the wind sheltering pipe 3 that diameter is ∮ 89mm being installed; and few-oil ignition oil gun 1 placed in this root wind sheltering pipe 3; and at an end of wind sheltering pipe 3 flame holder 2 is set; to realize when few-oil ignition oil gun 1 is advancing to the position the preparation igniting; promote forward push rod 2.2 and synchronously the active fan sheet 2.1 of wind sheltering pipe 3 ends is opened as umbrella and flame holder 2 that to form a diameter be ∮ 200mm; described flame holder 2 can be protected the primary atomization section of few-oil ignition oil gun 1 well; so that few-oil ignition oil gun 1 igniting easily, and guarantee well smooth combustion and not gone out by a wind of few-oil ignition oil gun 1.Like this few-oil ignition oil gun 1 just can well with coal dust together mixed combustion, realize substituting light diesel fuel and lighting a fire with a small amount of fuel oil coal dust that ignites, and finally realize the purpose of fuel-economizing.And when igniting is finished wind nozzles and needed sustained combustion, withdraw from few-oil ignition oil gun 1, flame holder 2 will be under the effect of back-moving spring 4 along with withdrawing from of few-oil ignition oil gun 1 as umbrella in the automatic retraction wind sheltering pipe 3, that reduces wind nozzles directly blows function.At this moment, because the diameter of wind nozzles is ∮ 500mm, the flow area of wind sheltering pipe 3 only accounts for 3% of a wind nozzles flow area, the wind sheltering pipe 3 that installs additional on the burning of wind nozzles almost without any impact, this has just kept the original appearance of wind nozzles well.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
The content that is not described in detail in this specification belongs to the known prior art of this area professional and technical personnel.
Claims (5)
1. few-oil ignition device with flame stabilization function, comprise the few-oil ignition oil gun (1) and the flame holder (2) that are arranged in wind nozzles, it is characterized in that: also be provided with axial arranged wind sheltering pipe (3) in the described wind nozzles, described few-oil ignition oil gun (1) is axially disposed within the wind sheltering pipe (3), described flame holder (2) uses structure to be the umbrella of activity, and the end that flame holder (2) bore is little links to each other with the end of wind sheltering pipe (3) near few-oil ignition oil gun (1) muzzle.
2. the few-oil ignition device with flame stabilization function according to claim 1, it is characterized in that: described flame holder (2) comprises along wind sheltering pipe (3) end circumferential arrangement and together the active fan sheet (2.1) of being superimposed with each other, the end that described active fan sheet (2.1) size is little and wind sheltering pipe (3) end are hinged, the end inboard that active fan sheet (2.1) size is little is fixed with push rod (2.2), and the 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).
3. the few-oil ignition device with flame stabilization function according to claim 2, it is characterized in that: described push rod (2.2) radially arranges along wind sheltering pipe (3).
4. 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.
5. each described few-oil ignition device with flame stabilization function in 4 according to claim 1, it is characterized in that: described wind sheltering pipe (3) diameter is ∮ 89mm, described flame holder (2) the end diameter that bore is large when using 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 true CN103363520A (en) | 2013-10-23 |
| CN103363520B CN103363520B (en) | 2015-12-16 |
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Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
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| CN (1) | CN103363520B (en) |
Citations (6)
| 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 |
| JPH09196315A (en) * | 1996-01-19 | 1997-07-29 | Hodaka Kk | Liquid combustion burner |
| 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 |
-
2013
- 2013-05-31 CN CN201310215218.4A patent/CN103363520B/en not_active Expired - Fee Related
Patent Citations (6)
| 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 |
| JPH09196315A (en) * | 1996-01-19 | 1997-07-29 | Hodaka Kk | Liquid combustion burner |
| 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 |
|---|---|
| CN103363520B (en) | 2015-12-16 |
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| C14 | Grant of patent or utility model | ||
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| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
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: 20170522 Address after: Optics Valley No. 303 Optics Valley Wuhan 430000 core center of East Lake New Technology Development Zone, Hubei province road three 4-02-703 room Patentee after: WUHAN SIQI ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: 430080 Hubei Province, Wuhan City Qingshan District of Wuhan City, the forty-ninth middle school (high school) Patentee before: Liu Bingyu |
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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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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 |