CN103672888A - Ignition burner - Google Patents
Ignition burner Download PDFInfo
- Publication number
- CN103672888A CN103672888A CN201310421325.2A CN201310421325A CN103672888A CN 103672888 A CN103672888 A CN 103672888A CN 201310421325 A CN201310421325 A CN 201310421325A CN 103672888 A CN103672888 A CN 103672888A
- Authority
- CN
- China
- Prior art keywords
- shower nozzle
- electrode
- igniter burner
- cooling air
- porcelain bushing
- 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.)
- Granted
Links
- 238000001816 cooling Methods 0.000 claims abstract description 40
- 239000002737 fuel gas Substances 0.000 claims abstract description 18
- 239000000919 ceramic Substances 0.000 claims abstract description 9
- 229910052573 porcelain Inorganic materials 0.000 claims description 32
- 239000000567 combustion gas Substances 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000007921 spray Substances 0.000 abstract 8
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 12
- 239000003034 coal gas Substances 0.000 description 8
- 238000002485 combustion reaction Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 230000003628 erosive effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Images
Abstract
The invention discloses an ignition burner which comprises a shell, a spray head, a ceramic sleeve pipe, an electrode and an air disc. The shell is provided with a cooling air inlet and a fuel gas inlet. The spray head is connected to one end the shell. The ceramic sleeve pipe is arranged in the shell, an annular fuel gas channel is defined between the ceramic sleeve pipe and the shell, and the fuel gas channel is respectively communicated with the fuel gas inlet and the spray head. The electrode penetrates through the ceramic sleeve pipe, one end of the electrode stretches into the spray head, an annular cooling air channel is defined between the electrode and the ceramic sleeve pipe, and the cooling air channel is respectively communicated with the cooling air inlet and the spray head. The air disc is arranged between the ceramic sleeve pipe and the electrode and is arranged adjacent to the spray head, and a plurality of air outlets are formed in the air disc. According to the ignition burner, through the fact that the air disc with the air outlets is arranged, cooling air injected from the cooling air inlet can enter the inner portion of the spray head through the air outlets in the air disc, the end portion, in the spray head, of the electrode is cooled, the service life of the electrode is prolonged, and the cost for the replacement of the electrode is lowered.
Description
Technical field
The present invention relates to field of combustion technology, especially relate to a kind of igniter burner.
Background technology
There is the easy scaling loss of ignitor in traditional igniter burner, service life is short, ignition difficulties, the problem such as flame detection signal is unstable.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art.For this reason, one object of the present invention is to propose a kind of igniter burner of simple in structure and long service life.
Igniter burner according to the embodiment of the present invention, comprising: housing, has cooling air inlet and fuel gas inlet on described housing; Shower nozzle, described nozzle connecting is connected on one end of described housing; Porcelain bushing, described porcelain bushing is located in described housing, between described porcelain bushing and described housing, limits annular blast tube, and described blast tube communicates with described fuel gas inlet and described shower nozzle respectively; Electrode, described electrode stretches in described shower nozzle through described porcelain bushing and one end, between described electrode and described porcelain bushing, limits annular cooling air channels, and described cooling air channels communicates with described cooling air inlet and described shower nozzle respectively; And wind dish, described wind dish is located between described porcelain bushing and described electrode and contiguous described shower nozzle setting, on described wind dish, is formed with a plurality of exhaust vents.
According to the igniter burner of the embodiment of the present invention, the wind dish by setting with a plurality of exhaust vents, the cooling-air passing into from cooling air inlet can enter in shower nozzle by a plurality of exhaust vents from wind dish, thereby carry out cooling to the electrode tip in shower nozzle, extend the service life of electrode, reduced the cost of changing electrode.In addition, because cooling-air is at middle part, combustion gas for example coal gas externally, coal gas is close to shower nozzle, can delay the oxidation of high temperature to shower nozzle, cooling-air, gas-fired are diffusion combustion, temperature is even, without local high temperature, has effectively extended burner service life.
In addition, according to igniter burner of the present invention, also can there is following additional technical feature:
According to one embodiment of present invention, described a plurality of exhaust vent is spaced apart from each other and is evenly distributed on described wind dish.Thus, cooling-air can carry out cooling to electrode tip equably.
Further, described a plurality of exhaust vent all equates and distributes in circumferential equal intervals with the distance between described Feng Pan center.
Alternatively, described in each, exhaust vent is circle, ellipse, Long Circle or the polygon that is greater than three limits.
Further, described a plurality of exhaust vent distributes in the radially equal intervals of described wind dish.
Particularly, described in each, exhaust vent forms annular.
According to one embodiment of present invention, described cooling air inlet place is provided with air throttle sheet.Thus, by air throttle sheet is set, can limit the flow of the cooling-air passing into from air header, now no matter how the pressure of air header fluctuates, capital is limited to the air mass flow by igniter burner in a very little scope, thereby has guaranteed the stability of igniter burner.
According to one embodiment of present invention, described fuel gas inlet place is provided with combustion gas flow regulator pieces.Thus, by combustion gas flow regulator pieces being set, can limiting for example flow of coal gas of the combustion gas that passes into from gas header pipe, now no matter how the pressure of gas header pipe fluctuates, capital is limited to the gas flow by igniter burner in a very little scope, thereby has guaranteed the stability of igniter burner.
According to one embodiment of present invention, the free end of described shower nozzle forms truncated cone-shaped.Thus, can guarantee that igniter burner burns under more stable environment, thereby guarantee the combustion stability of flame.
Alternatively, described shower nozzle is heat-resisting steel part or ceramic member.Thus, make shower nozzle can resist the erosion of high temperature, extended the service life of shower nozzle.
Additional aspect of the present invention and advantage in the following description part provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is the schematic diagram of igniter burner according to an embodiment of the invention;
Fig. 2 is the right view of the igniter burner shown in Fig. 1.
The specific embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, orientation or the position relationship of the indications such as term " " center ", " laterally ", " on ", D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; rather than the device of indication or hint indication or element must have specific orientation, with specific orientation structure and operation, so can not be interpreted as limitation of the present invention.In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, except as otherwise noted, the implication of " a plurality of " is two or more.
In description of the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or connect integratedly; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can concrete condition understand above-mentioned term concrete meaning in the present invention.
Below with reference to Fig. 1-Fig. 2, describe according to the igniter burner 100 of the embodiment of the present invention, this igniter burner 100 is applicable to various start-up burners.
As depicted in figs. 1 and 2, according to the igniter burner 100 of the embodiment of the present invention, comprise housing 1, shower nozzle 2, porcelain bushing 3, electrode 4 and wind dish 5.
On housing 1, there is cooling air inlet and fuel gas inlet.With reference to Fig. 1, housing 1 is comprised of the different cylindrical tube of multistage lateral dimension substantially, the right-hand member of housing 1 hollow and housing 1 opens wide, cooling air inlet and fuel gas inlet each interval on the length direction of housing 1 is arranged, further, on housing 1, can be provided with cooling-air joint 11 and gas joint 12, cooling-air joint 11 and gas joint 12 are located at respectively cooling air inlet and fuel gas inlet place, so that pass into cooling-air and combustion gas in housing 1.Alternatively, combustion gas is coal gas.It will be appreciated that, cooling air inlet and the fuel gas inlet concrete setting position on housing 1 can be according to actual requirement setting, to meet better actual requirement.
Electrode 4 is through porcelain bushing 3, and one end of electrode 4 stretches in shower nozzle 2, between electrode 4 and porcelain bushing 3, limits annular cooling air channels, and cooling air channels communicates with cooling air inlet and shower nozzle 2 respectively.As shown in Figure 1, electrode 4 is located in porcelain bushing 3, and the right-hand member that the right-hand member of electrode 4 stretches out porcelain bushing 3 enters in shower nozzle 2, the external diameter of electrode 4 is less than the external diameter of porcelain bushing 3, alternatively, electrode 4 and porcelain bushing 3 coaxially arrange, between the internal perisporium of the periphery wall of electrode 4 and porcelain bushing 3, jointly limit the cooling air channels of annular, cooling air channels is communicated with cooling air inlet and shower nozzle 2 respectively, and the cooling-air entering from cooling air inlet like this can enter in the shower nozzle 2 of right-hand member by cooling air channels.Here, it should be noted that, cooling-air can be combustion air, thereby does not need additionally to increase cooling air system, simplifies the structure, and has reduced cost.
Further, igniter burner 100 can be used in conjunction with ignition transformer, flame detector and solenoid valve for gas door, realizes autompulse burning, the functions such as safety shutdown protection.Here, it should be noted that, the structure of ignition transformer, flame detector and solenoid valve for gas door and operation principle etc. have been prior art, and are known by those skilled in the art, no longer describe in detail here.
According to the igniter burner 100 of the embodiment of the present invention, the wind dish 5 by setting with a plurality of exhaust vents 51, the cooling-air passing into from cooling air inlet can enter in shower nozzle 2 by a plurality of exhaust vents 51 from wind dish 5, thereby carry out cooling to electrode 4 ends in shower nozzle 2, extend the service life of electrode 4, reduced the cost of changing electrode 4.In addition, because cooling-air is at middle part, combustion gas for example coal gas externally, coal gas is close to shower nozzle 2, can delay the oxidation of high temperature to shower nozzle 2, cooling-air, gas-fired are diffusion combustion, temperature is even, without local high temperature, has effectively extended burner service life.
In one embodiment of the invention, a plurality of exhaust vents 51 are spaced apart from each other and are evenly distributed on wind dish 5.Further, the distance between the center of a plurality of exhaust vents 51 and wind dish 5 all equates and distributes in circumferential equal intervals.With reference to Fig. 2, exhaust vent 51 is circular port, and the diameter of a plurality of circular ports is about equally, the center of circle of a plurality of circular ports take the center of wind dish 5 as the center of circle, take on the circle that wind dish 5 centers are radius to the distance at circular port center, thereby cooling-air can carry out cooling to electrode 4 ends equably.It will be appreciated that, exhaust vent 51 also can be ellipse, Long Circle or is greater than the polygon on three limits etc.
Further, a plurality of exhaust vents 51 are in the radially equal intervals distribution (scheming not shown) of wind dish 5.For example, in one of them example of the present invention, each exhaust vent 51 forms annular, a plurality of exhaust vents 51 are upwards spaced apart from each other in the footpath of wind dish 5, and the distance between a plurality of exhaust vent 51 and the center of wind dish 5 each is unequal, and distance between two adjacent exhaust vents 51 all equates.Certainly, the invention is not restricted to this, in another example of the present invention, each exhaust vent 51 also can form discontinuous annular.In another example of the present invention, some exhaust vents 51 in a plurality of exhaust vents 51 form continuous annular, and other exhaust vents 51 form discontinuous annular.
In one embodiment of the invention, cooling air inlet place is provided with air throttle sheet 111.As shown in Figure 1, air throttle sheet 111 can be arranged in cooling-air joint 11, can limit the flow of the cooling-air passing into from air header like this, now no matter how the pressure of air header fluctuates, capital is limited to the air mass flow by igniter burner 100 in a very little scope, thereby has guaranteed the stability of igniter burner 100.Here, it should be noted that, the structure of air header etc. has been prior art, and is known by those skilled in the art, no longer describes in detail here.
Further, fuel gas inlet place is provided with combustion gas flow regulator pieces 121.As shown in Figure 1, combustion gas flow regulator pieces 121 can be arranged in gas joint 12, can limit so for example flow of coal gas of the combustion gas that passes into from gas header pipe, now no matter how the pressure of gas header pipe fluctuates, capital is limited to the gas flow by igniter burner 100 in a very little scope, thereby has guaranteed the stability of igniter burner 100.Here, it should be noted that, the structure of gas header pipe etc. has been prior art, and is known by those skilled in the art, no longer describes in detail here.
In one embodiment of the invention, the free end of shower nozzle 2 forms truncated cone-shaped.As shown in Figure 1, the right-hand member of shower nozzle 2 lateral dimension in direction from left to right reduces gradually, can guarantee that like this igniter burner 100 burns under more stable environment, thereby has guaranteed the combustion stability of flame.
Alternatively, shower nozzle 2 is heat-resisting steel part or ceramic member.For example shower nozzle 2 can adopt HN heat resisting steel or ceramic material machined to make, and heat resisting steel or pottery can resistance to 1300 ℃ of high temperature, thereby has guaranteed that shower nozzle 2 can resist the erosion of high temperature, has extended the service life of shower nozzle 2.Certainly, the invention is not restricted to this, shower nozzle 2 also can adopt the material of other materials to make.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: in the situation that not departing from principle of the present invention and aim, can carry out multiple variation, modification, replacement and modification to these embodiment, scope of the present invention is limited by claim and equivalent thereof.
Claims (10)
1. an igniter burner, is characterized in that, comprising:
Housing, has cooling air inlet and fuel gas inlet on described housing;
Shower nozzle, described nozzle connecting is connected on one end of described housing;
Porcelain bushing, described porcelain bushing is located in described housing, between described porcelain bushing and described housing, limits annular blast tube, and described blast tube communicates with described fuel gas inlet and described shower nozzle respectively;
Electrode, described electrode stretches in described shower nozzle through described porcelain bushing and one end, between described electrode and described porcelain bushing, limits annular cooling air channels, and described cooling air channels communicates with described cooling air inlet and described shower nozzle respectively; And
Wind dish, described wind dish is located between described porcelain bushing and described electrode and contiguous described shower nozzle setting, on described wind dish, is formed with a plurality of exhaust vents.
2. igniter burner according to claim 1, is characterized in that, described a plurality of exhaust vents are spaced apart from each other and are evenly distributed on described wind dish.
3. igniter burner according to claim 2, is characterized in that, described a plurality of exhaust vents all equate and distribute in circumferential equal intervals with the distance between described Feng Pan center.
4. igniter burner according to claim 3, is characterized in that, described in each, exhaust vent is circle, ellipse, Long Circle or the polygon that is greater than three limits.
5. igniter burner according to claim 2, is characterized in that, described a plurality of exhaust vents distribute in the radially equal intervals of described wind dish.
6. igniter burner according to claim 5, is characterized in that, described in each, exhaust vent forms annular.
7. igniter burner according to claim 1, is characterized in that, described cooling air inlet place is provided with air throttle sheet.
8. igniter burner according to claim 1, is characterized in that, described fuel gas inlet place is provided with combustion gas flow regulator pieces.
9. igniter burner according to claim 1, is characterized in that, the free end of described shower nozzle forms truncated cone-shaped.
10. according to the igniter burner described in any one in claim 1-9, it is characterized in that, described shower nozzle is heat-resisting steel part or ceramic member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310421325.2A CN103672888B (en) | 2013-09-16 | 2013-09-16 | Igniter burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310421325.2A CN103672888B (en) | 2013-09-16 | 2013-09-16 | Igniter burner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103672888A true CN103672888A (en) | 2014-03-26 |
| CN103672888B CN103672888B (en) | 2016-06-22 |
Family
ID=50311223
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310421325.2A Active CN103672888B (en) | 2013-09-16 | 2013-09-16 | Igniter burner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103672888B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654082A (en) * | 2021-08-31 | 2021-11-16 | 宝钢工程技术集团有限公司 | Constant-power low-nitrogen oxide ignition gun and using method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB944372A (en) * | 1961-08-14 | 1963-12-11 | Selas Corp Of America | Improvements in or relating to an industrial burner and method of operating same |
| CN2379705Y (en) * | 1999-06-04 | 2000-05-24 | 重庆钢铁设计研究院 | Low nitrogen oxides and flame adjustable burner nozzle |
| JP2006118725A (en) * | 2004-10-19 | 2006-05-11 | Sumikin Manegement Co Ltd | Pilot burner |
| CN101655239A (en) * | 2009-09-18 | 2010-02-24 | 施芜 | Ceramic high-efficiency air self-preheating type combustor |
| CN201521955U (en) * | 2009-08-27 | 2010-07-07 | 郭志文 | Structure of gas burner nozzle |
| CN102230626A (en) * | 2011-06-02 | 2011-11-02 | 中冶京诚工程技术有限公司 | Transverse baffle and flat pipe type self-preheating burner |
| CN102401379A (en) * | 2011-11-11 | 2012-04-04 | 无锡市莱达热工工程有限公司 | Hot gas flat flame burner |
| CN202938299U (en) * | 2012-11-16 | 2013-05-15 | 航天长征化学工程股份有限公司 | Gasification furnace burner |
| CN203489267U (en) * | 2013-09-16 | 2014-03-19 | 北京神雾环境能源科技集团股份有限公司 | Ignition nozzle |
-
2013
- 2013-09-16 CN CN201310421325.2A patent/CN103672888B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB944372A (en) * | 1961-08-14 | 1963-12-11 | Selas Corp Of America | Improvements in or relating to an industrial burner and method of operating same |
| CN2379705Y (en) * | 1999-06-04 | 2000-05-24 | 重庆钢铁设计研究院 | Low nitrogen oxides and flame adjustable burner nozzle |
| JP2006118725A (en) * | 2004-10-19 | 2006-05-11 | Sumikin Manegement Co Ltd | Pilot burner |
| CN201521955U (en) * | 2009-08-27 | 2010-07-07 | 郭志文 | Structure of gas burner nozzle |
| CN101655239A (en) * | 2009-09-18 | 2010-02-24 | 施芜 | Ceramic high-efficiency air self-preheating type combustor |
| CN102230626A (en) * | 2011-06-02 | 2011-11-02 | 中冶京诚工程技术有限公司 | Transverse baffle and flat pipe type self-preheating burner |
| CN102401379A (en) * | 2011-11-11 | 2012-04-04 | 无锡市莱达热工工程有限公司 | Hot gas flat flame burner |
| CN202938299U (en) * | 2012-11-16 | 2013-05-15 | 航天长征化学工程股份有限公司 | Gasification furnace burner |
| CN203489267U (en) * | 2013-09-16 | 2014-03-19 | 北京神雾环境能源科技集团股份有限公司 | Ignition nozzle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113654082A (en) * | 2021-08-31 | 2021-11-16 | 宝钢工程技术集团有限公司 | Constant-power low-nitrogen oxide ignition gun and using method thereof |
| CN113654082B (en) * | 2021-08-31 | 2023-11-17 | 宝钢工程技术集团有限公司 | Constant-power low-nitrogen oxide ignition gun and use method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103672888B (en) | 2016-06-22 |
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Address after: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee after: Shenwu Technology Group Co.,Ltd. Address before: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee before: BEIJING SHENWU ENVIRONMENT AND ENERGY TECHNOLOGY Co.,Ltd. |
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Denomination of invention: Fully-premixing full-automatic ignition burner Effective date of registration: 20180330 Granted publication date: 20160622 Pledgee: Tianfeng Securities Co.,Ltd. Pledgor: Shenwu Technology Group Co.,Ltd. Registration number: 2018990000247 |
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