CN203404775U - Low-oil ignition device having flame stabilizing function - Google Patents
Low-oil ignition device having flame stabilizing function Download PDFInfo
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- CN203404775U CN203404775U CN201320313451.1U CN201320313451U CN203404775U CN 203404775 U CN203404775 U CN 203404775U CN 201320313451 U CN201320313451 U CN 201320313451U CN 203404775 U CN203404775 U CN 203404775U
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- oil
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- wind
- oil ignition
- wind sheltering
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Abstract
Disclosed in the utility model is a low-oil ignition device having a flame stabilizing function. The low-oil ignition device comprises a low-oil ignition oil gun arranged in a primary wind-fire nozzle and a flame stabilizing device. A wind-shielding tube in an axial arrangement mode is arranged in the primary wind-fire nozzle; and the low-oil ignition oil gun is arranged in the wind-shielding tube axially. Besides, the flame stabilizing device uses a movable umbrella-shaped object; one end, with the small caliber, of the flame stabilizing device is connected with one end, approaching the mouth of the low-oil ignition oil gun, of the wind-shielding tube. The provided low-oil ignition device has the characteristics of simple structure, convenient operation, low cost and application to boilers with various types and can be widely applied to the technical field of ignition of thermal power generation boilers.
Description
Technical field
The utility model relates to thermal power generation boiler firing technique field, particularly relates to a kind of few-oil ignition device with flame stabilization function.
Background technology
Heat power plant boiler igniting is substantially all to adopt high-energy igniter-light light diesel fuel---the two-stage ignition mode of the coal dust that ignites, and boiler, from cold start, arrives complete oil-break like this, and a large amount of light diesel fuels need to burn.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 attempting having carried out kinds of schemes that forces each power plant do one's utmost in fuel oil consumption, to significantly reducing fuel consume, each production firm has also developed new technology, the new equipment of many reduction oil consumption, 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, 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 be placed in wind nozzles, this brings a huge difficult problem just 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, and do not establish stabilizer few-oil ignition oil gun, cannot smooth combustion even all cannot not put and catch fire.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 is nearly all to increase bluff body in wind nozzles, the environment of 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, has changed the fired state of wind nozzles, has brought adverse effect to the long-term burning of wind nozzles, is to lose more than gain.And bluff body neither each power plant be applicable to installing additional because its installation environment requires high, high in cost of production feature.
Utility model content
The purpose of this utility model is in order to overcome the deficiency of above-mentioned background technology, and a kind of few-oil ignition device with flame stabilization function is provided, make its have simple in structure, easy to operate, be suitable for various types of boilers and the low feature of cost.
A kind of few-oil ignition device with flame stabilization function that the utility model provides, comprise the few-oil ignition oil gun and the flame holder that are arranged in wind nozzles, in described wind nozzles, be also provided with axial arranged wind sheltering pipe, described few-oil ignition oil gun is axially disposed within wind sheltering pipe, it is movable umbrella that described flame holder is used structure, 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 circumferential arrangement and the active fan sheet that is superimposed with each other together, one end and wind sheltering tube end that described active fan chip size is little are hinged, the inner side, one end that 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 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 to keep away dust diameter be ∮ 89mm, when described flame holder is used, the large one end diameter of bore is ∮ 200mm.
The few-oil ignition device with flame stabilization function of the present utility model, there is following beneficial effect: 1, the flow area due to wind sheltering pipe only accounts for 3% of a wind nozzles flow area, the wind sheltering pipe installing 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 wind nozzles one time, installing does not even need to take burner hearth shelf, just can installation outside boiler, and 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 wind 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 boilers, with low cost.
Accompanying drawing explanation
Fig. 1 is the structural representation before the few-oil ignition device that the utlity model has flame stabilization function is used;
Fig. 2 is the few-oil ignition device that the utlity model has flame stabilization function structural representation while using.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail, but this embodiment should not be construed as restriction of the present utility model.
Referring to Fig. 1, the few-oil ignition device with flame stabilization function of the present utility model, comprises few-oil ignition oil gun 1, flame holder 2, wind sheltering pipe 3 and back-moving spring 4.
In a wind nozzles (not shown), be provided with the wind sheltering pipe 3 that axial arranged diameter is ∮ 89mm, described few-oil ignition oil gun 1 is axially disposed within wind sheltering pipe 3.Described flame holder 2 comprises along wind sheltering pipe 3 end circumferential arrangement and the active fan sheet 2.1 that is superimposed with each other together, one end and wind sheltering pipe 3 ends that described active fan sheet 2.1 sizes are little are hinged, the inner side, one end that active fan sheet 2.1 sizes are little is fixed with the push rod 2.2 radially arranging along wind sheltering pipe 3, radial distance between described wind sheltering pipe 3 central axis and push rod 2.2 the inners is less than the radius of few-oil ignition oil gun 1, between described push rod 2.2 and wind sheltering pipe 3 inwalls, is provided with back-moving spring 4.This structural configuration of described flame holder 2 can guarantee that using structure is movable umbrella, and one end that wherein flame holder 2 bores are large is towards a side that deviates from wind sheltering pipe 3.
By the wind sheltering pipe 3 that a diameter is ∮ 89mm being installed in a wind 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, promote forward push rod 2.2 the synchronous active fan sheet 2.1 of wind sheltering pipe 3 ends is opened as umbrella and form the flame holder 2 that a diameter is ∮ 200mm, described flame holder 2 can be protected the primary atomization section of few-oil ignition oil gun 1 well, make 1 igniting of few-oil ignition oil gun easily, and guarantee few-oil ignition oil gun 1 smooth combustion and not gone out by a wind well.Few-oil ignition oil gun 1 just can well mix combustion together with coal dust like this, realizes with a small amount of fuel oil coal dust that ignites and substitutes light diesel fuel and light a fire, and finally realize the object of fuel-economizing.And when the wind nozzles of having lighted a fire need sustained combustion, exit few-oil ignition oil gun 1, flame holder 2 will be under the effect of back-moving spring 4 along with exiting of few-oil ignition oil gun 1 as umbrella in 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 installing 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 and not depart from spirit and scope of the present utility model the utility model.Like this, if within of the present utility model these are revised and modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model is also intended to comprise these changes and modification interior.
The content not being described in detail in this description belongs to the known prior art of professional and technical personnel in the field.
Claims (5)
1. a 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: in described wind 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), it is movable umbrella that described flame holder (2) is used structure, and 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.
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 the active fan sheet (2.1) that is superimposed with each other together, one end that described active fan sheet (2.1) size is little and wind sheltering pipe (3) end are hinged, the inner side, one end 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, 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: between described push rod (2.2) and wind sheltering pipe (3) inwall, be provided with back-moving spring (4).
5. according to the few-oil ignition device with flame stabilization function described in any one in claim 1 to 4, it is characterized in that: described wind sheltering pipe (3) diameter is ∮ 89mm, when described flame holder (2) is used, the large one end diameter of bore is ∮ 200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320313451.1U CN203404775U (en) | 2013-05-31 | 2013-05-31 | Low-oil ignition device having flame stabilizing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320313451.1U CN203404775U (en) | 2013-05-31 | 2013-05-31 | Low-oil ignition device having flame stabilizing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203404775U true CN203404775U (en) | 2014-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320313451.1U Expired - Lifetime CN203404775U (en) | 2013-05-31 | 2013-05-31 | Low-oil ignition device having flame stabilizing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203404775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363520A (en) * | 2013-05-31 | 2013-10-23 | 刘国朋 | Less-oil ignition device with flame holding function |
-
2013
- 2013-05-31 CN CN201320313451.1U patent/CN203404775U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103363520A (en) * | 2013-05-31 | 2013-10-23 | 刘国朋 | Less-oil ignition device with flame holding function |
| CN103363520B (en) * | 2013-05-31 | 2015-12-16 | 刘国朋 | There is the few-oil ignition device of flame stabilization function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Long Ninghui Inventor after: Jin Wencheng Inventor after: Zhang Tao Inventor after: Chang Guoming Inventor before: Chang Guoming Inventor before: Jin Wencheng Inventor before: Duan Heqing |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CHANG GUOMING JIN WENCHENG DUAN HEQING TO: LONG NINGHUI JIN WENCHENG ZHANGTAO CHANG GUOMING |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140122 Effective date of abandoning: 20151216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |