CN104482535A - Fuel gas air distributor - Google Patents
Fuel gas air distributor Download PDFInfo
- Publication number
- CN104482535A CN104482535A CN201510016601.6A CN201510016601A CN104482535A CN 104482535 A CN104482535 A CN 104482535A CN 201510016601 A CN201510016601 A CN 201510016601A CN 104482535 A CN104482535 A CN 104482535A
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- Prior art keywords
- air
- combustion chamber
- combustion gas
- gun
- combustion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/46—Details, e.g. noise reduction means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2207/00—Ignition devices associated with burner
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion Of Fluid Fuel (AREA)
Abstract
The invention discloses a fuel gas air distributor. The fuel gas air distributor comprises a combustion cylinder, an air distribution plate, an inner cylinder and a gas gun. When the fuel gas air distributor is in use, natural gas in a fuel gas source enters the gas gun through the gas inlet of the gas gun and is jetted into a combustion chamber through the gas jet of the gas gun, meanwhile, air in an air source enters an air delivery cavity through the air inlet of the air delivery cavity and enters the combustion chamber through the air outlet of the air delivery cavity, the natural gas in the combustion chamber is ignited by the ignition source to generate flames, and the flames are jetted out from the flame outlet of the combustion chamber to ignite pulverized coal. The fuel gas air distributor is provided with the combustion chamber, so that a space is provided for sufficient combustion of the natural gas; the air entering the combustion chamber from the air inlet is sufficient, so that the natural gas and the air are combusted sufficiently, the generated flames are strong, and the phenomenon that the burning pulverized coal dies out is reduced.
Description
Technical field
The present invention relates to mechanical equipment technical field, particularly relate to a kind of combustion gas air register.
Background technology
At present; when adopting natural gas igniting coal dust in power plant; usually the head of the air gun of transport gas is inserted in coal burner; when natural gas carries out firing coal-dust by air gun ejection; because coal dust surrounds flame, the space of flame combustion is little and oxygen not enough, and therefore flame rigidity is low; usually there will be flame-out phenomenon during flame ignition coal dust, and then affect generating efficiency.
Therefore, how reducing flame-out phenomenon that natural gas igniting coal dust occurs is those skilled in the art's technical problems urgently to be resolved hurrily.
Summary of the invention
In view of this, the object of this invention is to provide a kind of combustion gas air register, to realize the object reducing the flame-out phenomenon that natural gas igniting coal dust occurs.To achieve these goals, the invention provides following scheme:
A kind of combustion gas air register, comprising:
Inside surrounds the burning cylindrical shell of combustion chamber, and the first end of described burning cylindrical shell is provided with flame export;
Be fixed on the air gun on described burning cylindrical shell second end, the puff prot of described air gun is positioned at described combustion chamber, and the air inlet of described air gun is communicated with fuel gas source;
Air conveying cavity, the gas outlet of described air conveying cavity and described combustion chamber, the air inlet of described air conveying cavity is communicated with air-source;
For the incendiary source of lighting a fire.
Preferably, in above-mentioned combustion gas air register, described air conveying cavity is the air conveying cavity that airflow pipe surrounds.
Preferably, in above-mentioned combustion gas air register, also comprise the air-distributing disc of the inside being connected to described burning cylindrical shell, and the air described air-distributing disc having multiple connection air chamber and described combustion chamber enters the first air gun installing hole of aperture and the described air gun of multiple installation.
Preferably, in above-mentioned combustion gas air register, also comprise outer cylinder body, the openend of described outer cylinder body is connected with the second end of described burning cylindrical shell, and the inside of described outer cylinder body surrounds air conveying cavity.
Preferably, in above-mentioned combustion gas air register, also comprise inner barrel, described inner barrel is sheathed and be arranged in described outer cylinder body, and the first end of described inner barrel is through the first installing hole that described air-distributing disc has, second end of described inner barrel passes the second installing hole of described outer cylinder body, and described inner barrel is used for the flame that described incendiary source sprays to be transported to described combustion chamber.
Preferably, in above-mentioned combustion gas air register, also comprise installing plate, described installing plate is arranged perpendicular to the axle center of described outer cylinder body, removably connect with described outer cylinder body, described installing plate has the 3rd installing hole coordinated with described inner barrel and the second air gun installing hole installing described air gun.
Preferably, in above-mentioned combustion gas air register, multiple described first air gun installing hole is distributed on described air-distributing disc around described first installing hole circumference.
Preferably, in above-mentioned combustion gas air register, multiple described air enters aperture and is distributed on described air-distributing disc along described first installing hole circumference.
Preferably, in above-mentioned combustion gas air register, described burning cylindrical shell is isometrical burning cylindrical shell.
Preferably, in above-mentioned combustion gas air register, described incendiary source is the little air gun of igniting or high energy ignition unit.
As can be seen from above-mentioned technical scheme, combustion gas air register provided by the invention, when this combustion gas air register uses, natural gas in fuel gas source enters air gun through air gun air inlet, puff prot through air gun sprays into combustion chamber, meanwhile, air in air-source enters air conveying cavity through the air inlet of air conveying cavity, combustion chamber is entered through the gas outlet of air conveying cavity, natural gas igniting combustion of natural gas in combustion chamber is produced flame by incendiary source, and flame is lighted from the flame export ejection of combustion chamber coal dust.The combustion gas air register announced due to the present invention is provided with combustion chamber, provide space to the Thorough combustion of natural gas, and it is sufficient to enter the air of combustion chamber from air intake, make natural gas can with air Thorough combustion, the flame produced is comparatively strong, reduces firing coal-dust and occurs flame-out phenomenon.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the combustion gas air register that Fig. 1 provides for the embodiment of the present invention one;
The structural representation of the combustion gas air register that Fig. 2 provides for the embodiment of the present invention two;
The main TV structure schematic diagram of the combustion gas air register that Fig. 3 provides for the embodiment of the present invention three;
The left TV structure schematic diagram of the combustion gas air register that Fig. 4 provides for the embodiment of the present invention three.
Wherein, in Fig. 1-Fig. 4:
Combustion chamber 101, burning cylindrical shell 1, flame export 102, air gun 2, air conveying cavity 3, air-distributing disc 4, air enter aperture 401, first air gun installing hole 402, outer cylinder body 5, inner barrel 6, first installing hole 403, installing plate 7.
Detailed description of the invention
In order to make those skilled in the art better understand technical scheme of the present invention, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
The rigidity of flame weighs flame by the standard of complexity extinguished, and flame rigidity is more not easy to be extinguished more by force.Time and the oxygen supply of flame rigidity and flame combustion are relevant, just more weak by the flame rigidity lighted, and flame rigidity grow after certain hour burning, in certain scope, flame rigidity is grow along with the increase of oxygen.
The effect of air-distributing disc combustion air is mixed with uniform fuel and is formed to stablize and satisfactory flame profile, particularly under fuel burning oil condition, complete for ensureing heavy fuel oil firing, except good atomization, also must there is perfect air register, fully mix rapidly with fuel to make air.
Referring to Fig. 1, is the structural representation of combustion gas air register provided by the invention.Combustion gas air register provided by the invention, comprises burning cylindrical shell 1, air gun 2, air conveying cavity 3 and incendiary source.The inside of burning cylindrical shell 1 surrounds combustion chamber 101, and the first end of burning cylindrical shell 1 is provided with flame export 102, and wherein, the first end of burning cylindrical shell 1 refers to the port of export of combustion chamber 101, i.e. one end of the flame ejection of combustion chamber 101 combustion.
Air gun 2 is fixed on burning cylindrical shell 1 second end, the puff prot of air gun 2 is positioned at combustion chamber 101, and the air inlet of air gun 2 is communicated with fuel gas source, and air gun 2 is for providing fuel to combustion chamber 101, wherein, cylindrical shell 1 second end that burns refers to burning cylindrical shell 1 one end away from the flame ejection in combustion chamber 101.The gas outlet of air conveying cavity 3 is communicated with combustion chamber 101, and the air inlet of air conveying cavity 3 is communicated with air-source, and air-source provides air through conveying cavity to combustion chamber 101; Incendiary source is used for igniting.
Combustion gas air register provided by the invention, when this combustion gas air register uses, natural gas in fuel gas source enters air gun 2 through air gun 2 air inlet, puff prot through air gun 2 sprays into combustion chamber 101, meanwhile, air in air-source enters air conveying cavity 3 through the air inlet of air conveying cavity 3, combustion chamber 101 is entered through the gas outlet of air conveying cavity 3, natural gas igniting combustion of natural gas in combustion chamber 101 is produced flame by incendiary source, and flame sprays from the flame export 102 of combustion chamber 101 to be lighted coal dust.Due to the combustion gas air register that the present invention announces, be provided with combustion chamber 101 on the one hand, space is provided to the Thorough combustion of natural gas, the air abundance of combustion chamber 101 is entered on the other hand from air intake, make natural gas can with air Thorough combustion, therefore, the flame rigidity of generation is comparatively strong, reduces firing coal-dust and occurs flame-out phenomenon.
As shown in Figure 2.In another embodiment provided by the invention, the combustion gas air register in the present embodiment and the combustion gas air register similar in embodiment one, just repeated no more something in common, only introduced difference.
In the present embodiment, the air that air conveying cavity 3 surrounds for airflow pipe carries cavity 3.Air in air-source flows to combustion chamber 101 through airflow pipe.
Adopt airflow pipe composition air conveying cavity 3 to be only a kind of form that air of the present invention carries cavity 3, it should be noted that, the air conveying cavity 3 of other arbitrary forms composition is all the scope of protection of the invention.
As Figure 3-Figure 4.In the 3rd embodiment provided by the invention, the combustion gas air register in the present embodiment and the combustion gas air register similar in embodiment one, just repeated no more something in common, only introduced difference.
In the present embodiment, combustion gas air register also comprises the air-distributing disc 4 of the inside being connected to burning cylindrical shell 1, and air air-distributing disc 4 having multiple connection air chamber and combustion chamber 101 enters the first air gun installing hole 402 of aperture 401 and multiple installation air gun 2.The air of air on air-distributing disc 4 entering combustion chamber 101 enters aperture 401 and is formed and evenly relax air-flow, avoids the impact of air blast to flame, make natural gas can with air Thorough combustion.
In the present embodiment, combustion gas air register also comprises outer cylinder body 5, and the openend of outer cylinder body 5 is connected with the second end of burning cylindrical shell 1, and the inside of outer cylinder body 5 surrounds air conveying cavity 3.Wherein, it should be noted that, outer cylinder body 5 can be integral type with burning cylindrical shell 1.
In the present embodiment, combustion gas air register also comprises inner barrel 6, inner barrel 6 is sheathed and be arranged in outer cylinder body 5, and the first end of inner barrel 6 is through the first installing hole 403 that air-distributing disc 4 has, second end of inner barrel 6 passes the second installing hole of outer cylinder body 5, and inner barrel 6 is transported to combustion chamber 101 for the flame sprayed by incendiary source.The flame of incendiary source can be passed to default position by inner barrel 6, and the flame that incendiary source is sprayed is concentrated.
It should be noted that, multiple air gun 2 is each passed through the first corresponding air gun installing hole 402.The axis of air-distributing disc 4 and the dead in line of burning cylindrical shell 1 and outer cylinder body 5, and the axis being parallel of the axis of air-distributing disc 4 and air gun 2.
In the present embodiment, multiple air gun 2 installing hole is distributed on air-distributing disc 4 around the first installing hole 403 circumference, therefore, after multiple air gun 2 is installed into each self-corresponding first air gun installing hole 402 respectively, the natural gas entered in air gun 2 can enter combustion chamber 101 uniformly.In order to make natural gas and air mixing evenly, between the first adjacent air gun installing hole 402, open air enter aperture 401.
In order to prevent temperature too high cause to burning cylindrical shell 1 injury and in order to the oxygen being supplied to natural gas abundance is so that combustion of natural gas, enclose air in the outer setting one of the first air gun installing hole 402 and enter aperture 401, air enters aperture 401 and is distributed on air-distributing disc 4 around the second installing hole circumference, and namely multiple air enters aperture 401 and is distributed on air-distributing disc 4 along the axis of air-distributing disc 4.Due to flame outer layer covers air when combustion of natural gas, when avoiding combustion of natural gas, burning cylindrical shell 1 is damaged, and provide oxygen to natural gas further.
In the present embodiment; in combustion gas air register; the number of the first air gun installing hole 402 is individual; it should be noted that; the number of the first air gun installing hole 402 also can be that other are individual arbitrarily, as long as the number meeting the first air gun installing hole 402 that the first air gun installing hole 402 circumference is distributed on air-distributing disc 4 is all the scope of protection of the invention.
In the present embodiment, in combustion gas air register, burning cylindrical shell 1 is isometrical burning cylindrical shell 1, and isometrical burning cylindrical shell 1 can realize that combustion of natural gas is without hindrance sprays combustion chamber 101 by flame.It should be noted that; burning cylindrical shell 1 also can be the burning cylindrical shell 1 of other arbitrary shapes; a kind of form of the burning cylindrical shell 1 of the combustion gas air register of the present invention that the present embodiment is just enumerated, as long as the burning cylindrical shell 1 realizing other arbitrary shapes of the effect of burning cylindrical shell 1 is all the scope of protection of the invention.
In combustion gas air register, mounting points burning things which may cause a fire disaster in inner barrel 6, lights natural gas, meeting has a lot to the form that natural gas is lighted a fire, wherein, present invention discloses only two kinds of forms, the present invention discloses incendiary source for the little air gun 2 of igniting and these two kinds of forms of high energy ignition unit.It should be noted that, as long as meeting the form can lighted natural gas is all the scope of protection of the invention.
In the 3rd embodiment provided by the invention, the combustion gas air register in the present embodiment and the combustion gas air register similar in embodiment two, just repeated no more something in common, only introduced difference.
In the present embodiment, combustion gas air register also comprises installing plate 7, installing plate 7 is arranged perpendicular to the axle center of burning cylindrical shell 1, removably connect with burning cylindrical shell 1, installing plate 7 can be removably connected by bolt with burning cylindrical shell 1, and installing plate 7 has the 3rd installing hole coordinated with inner barrel 6 and the second air gun 2 installing hole installing air gun 2.It should be noted that, the installation room of burning cylindrical shell 1 be divide into the part of the first installation room and the second installation room two partition by installing plate 7, and installing plate 7 is detachably installed with these two parts of the first installation room and the second installation room respectively, first installation room has air intlet, air enters the first installation room from air intlet, enters aperture 401 enter combustion chamber 101 from the air of the first installation room through air-distributing disc 4; And the second installation room has fuel inlet, entrance on the afterbody of air gun 2 is communicated with the second installation room, fuel can enter the second installation room from fuel inlet, enter air gun 2 entrance from the second installation room thus enter air gun 2, enter combustion chamber 101 from air gun 2, realize the mixed combustion of natural gas and air.The combustion gas air register announced due to the present invention is provided with combustion chamber 101, space is provided to the Thorough combustion of natural gas, and the air abundance of combustion chamber 101 is entered from air intake, the air of air on air-distributing disc 4 entering combustion chamber 101 enters aperture 401 and is formed and evenly relax air-flow, avoid the impact of air blast to flame, make natural gas can with air Thorough combustion, avoid due to oxygen shortage that flame-out phenomenon appears in the firing coal-dust that causes.
Because installing plate 7 and burning cylindrical shell 1 removably connect, therefore, when air gun 2 installed by needs, air gun 2 is arranged on air-distributing disc 4 and installing plate 7, then installing plate 7 is arranged on the first installation room, finally the second installation room is connected to and installs.When installing plate 7 is damaged, can change in time, avoid the waste of material, and convenient disassembly.
" first ", " second " in the present invention etc. are in description and distinguish, and do not have other particular meaning.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and inventive features.
Claims (10)
1. a combustion gas air register, is characterized in that, comprising:
Inside surrounds the burning cylindrical shell (1) of combustion chamber (101), and the first end of described burning cylindrical shell (1) is provided with flame export (102);
Be fixed on the air gun (2) on described burning cylindrical shell (1) second end, the puff prot of described air gun (2) is positioned at described combustion chamber (101), and the air inlet of described air gun (2) is communicated with fuel gas source;
Air conveying cavity (3), the gas outlet of described air conveying cavity (3) is communicated with described combustion chamber (101), and the air inlet of described air conveying cavity (3) is communicated with air-source;
For the incendiary source of lighting a fire.
2. combustion gas air register according to claim 1, is characterized in that, air conveying cavity (3) that described air conveying cavity (3) surrounds for airflow pipe.
3. combustion gas air register according to claim 1, it is characterized in that, also comprise the air-distributing disc (4) of the inside being connected to described burning cylindrical shell (1), and the air described air-distributing disc (4) having multiple connection air chamber and described combustion chamber (101) enters the first air gun installing hole (402) of aperture (401) and the described air gun of multiple installation (2).
4. combustion gas air register according to claim 3, it is characterized in that, also comprise outer cylinder body (5), the openend of described outer cylinder body is connected with the second end of described burning cylindrical shell (1), and the inside of described outer cylinder body surrounds air conveying cavity (3).
5. combustion gas air register according to claim 4, it is characterized in that, also comprise inner barrel (6), described inner barrel is sheathed and be arranged in described outer cylinder body, and the first end of described inner barrel is through the first installing hole (403) that described air-distributing disc (4) has, second end of described inner barrel passes the second installing hole of described outer cylinder body, and described inner barrel is used for the flame that described incendiary source sprays to be transported to described combustion chamber (101).
6. combustion gas air register according to claim 5, it is characterized in that, also comprise installing plate (7), described installing plate (7) is arranged perpendicular to the axle center of described outer cylinder body, removably connect with described outer cylinder body, described installing plate (7) has the 3rd installing hole coordinated with described inner barrel and the second air gun installing hole installing described air gun (2).
7. combustion gas air register according to claim 5, is characterized in that, multiple described first air gun installing hole is distributed on described air-distributing disc (4) around described first installing hole circumference.
8. combustion gas air register according to claim 5, is characterized in that, multiple described air enters aperture (401) and is distributed on described air-distributing disc (4) along described first installing hole circumference.
9. combustion gas air register according to claim 1, is characterized in that, described burning cylindrical shell (1) is isometrical burning cylindrical shell (1).
10. combustion gas air register according to claim 1, is characterized in that, described incendiary source is the little air gun of igniting or high energy ignition unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510016601.6A CN104482535B (en) | 2015-01-13 | 2015-01-13 | A kind of combustion gas air register |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510016601.6A CN104482535B (en) | 2015-01-13 | 2015-01-13 | A kind of combustion gas air register |
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| CN104482535A true CN104482535A (en) | 2015-04-01 |
| CN104482535B CN104482535B (en) | 2017-03-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202544A (en) * | 2015-10-20 | 2015-12-30 | 烟台龙源电力技术股份有限公司 | Micro gas combustion gun body, ignition combustor, pulverized-coal combustion system and coal burning boiler |
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| JP2001193932A (en) * | 2000-01-11 | 2001-07-17 | Kawasaki Steel Corp | Pilot burner, heating apparatus and power generating unit |
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| KR20090116557A (en) * | 2008-05-07 | 2009-11-11 | 주식회사 컴버스텍 | Hybrid typed pilot burner |
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| WO2014197461A1 (en) * | 2013-06-05 | 2014-12-11 | Alstom Technology Ltd | Flexible gas pipe ignitor |
| CN204404184U (en) * | 2015-01-13 | 2015-06-17 | 烟台龙源电力技术股份有限公司 | A kind of combustion gas air register |
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2015
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Patent Citations (9)
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| JP2001193932A (en) * | 2000-01-11 | 2001-07-17 | Kawasaki Steel Corp | Pilot burner, heating apparatus and power generating unit |
| CN2856751Y (en) * | 2005-09-29 | 2007-01-10 | 天津市协力自动化工程有限公司 | Integral flaming ignitor |
| KR20090116557A (en) * | 2008-05-07 | 2009-11-11 | 주식회사 컴버스텍 | Hybrid typed pilot burner |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105202544A (en) * | 2015-10-20 | 2015-12-30 | 烟台龙源电力技术股份有限公司 | Micro gas combustion gun body, ignition combustor, pulverized-coal combustion system and coal burning boiler |
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| Publication number | Publication date |
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| CN104482535B (en) | 2017-03-15 |
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