CN204404184U - A kind of combustion gas air register - Google Patents
A kind of combustion gas air register Download PDFInfo
- Publication number
- CN204404184U CN204404184U CN201520020589.1U CN201520020589U CN204404184U CN 204404184 U CN204404184 U CN 204404184U CN 201520020589 U CN201520020589 U CN 201520020589U CN 204404184 U CN204404184 U CN 204404184U
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- Prior art keywords
- air
- combustion
- combustion chamber
- combustion gas
- gun
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- 239000000567 combustion gas Substances 0.000 title claims abstract description 54
- 238000002485 combustion reaction Methods 0.000 claims abstract description 69
- 239000007789 gas Substances 0.000 claims abstract description 7
- 239000007921 spray Substances 0.000 claims abstract description 7
- 239000002737 fuel gas Substances 0.000 claims abstract description 6
- 238000009434 installation Methods 0.000 claims description 17
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 68
- 239000003345 natural gas Substances 0.000 abstract description 34
- 239000002817 coal dust Substances 0.000 abstract description 13
- 238000010304 firing Methods 0.000 abstract description 6
- 239000000446 fuel Substances 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 230000004224 protection Effects 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000010763 heavy fuel oil Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The utility model discloses a kind of combustion gas air register, comprise burning cylindrical shell, air-distributing disc, inner barrel and air gun, 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 utility model 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 rigidity produced is strong, reduces firing coal-dust and occurs flame-out phenomenon.
Description
Technical field
The utility model relates to mechanical equipment technical field, particularly relates 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 weak; 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.
Utility model content
In view of this, the purpose of this utility model 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 utility model 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, the combustion gas air register that the utility model provides, 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 utility model 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 rigidity produced is strong, reduces firing coal-dust and occurs flame-out phenomenon.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment 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 embodiments more of the present utility model, 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 utility model embodiment one;
The structural representation of the combustion gas air register that Fig. 2 provides for the utility model embodiment two;
The main TV structure schematic diagram of the combustion gas air register that Fig. 3 provides for the utility model embodiment three;
The left TV structure schematic diagram of the combustion gas air register that Fig. 4 provides for the utility model embodiment 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 the technical solution of the utility model, below in conjunction with the drawings and specific embodiments, the utility model 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 register 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 the combustion gas air register that the utility model provides.The combustion gas air register that the utility model provides, 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.
The combustion gas air register that the utility model provides, 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 utility model is announced, 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 strong, reduces firing coal-dust and occurs flame-out phenomenon.
As shown in Figure 2.In the another embodiment that the utility model provides, 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 the utility model air carries cavity 3, it should be noted that, the air conveying cavity 3 of other arbitrary forms composition is all scopes of the utility model protection.
As Figure 3-Figure 4.In the 3rd embodiment that the utility model provides, 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 scopes of the utility model protection.
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 utility model combustion gas air register 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 scopes of the utility model protection.
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, the utility model only discloses two kinds of forms, and the utility model 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 meet the scope that the form can lighted natural gas is all the utility model protections.
In the 3rd embodiment that the utility model provides, 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 utility model 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 utility model 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 utility model.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein when not departing from spirit or scope of the present utility model, can realize in other embodiments.Therefore, the utility model can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and novel 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 |
|---|---|---|---|
| CN201520020589.1U CN204404184U (en) | 2015-01-13 | 2015-01-13 | A kind of combustion gas air register |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520020589.1U CN204404184U (en) | 2015-01-13 | 2015-01-13 | A kind of combustion gas air register |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204404184U true CN204404184U (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520020589.1U Expired - Fee Related CN204404184U (en) | 2015-01-13 | 2015-01-13 | A kind of combustion gas air register |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204404184U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482535A (en) * | 2015-01-13 | 2015-04-01 | 烟台龙源电力技术股份有限公司 | Fuel gas air distributor |
| WO2017067272A1 (en) * | 2015-10-20 | 2017-04-27 | 烟台龙源电力技术股份有限公司 | Micro-gas combustion gun body, ignition burner, coal powder combustion system, and coal-fired boiler |
-
2015
- 2015-01-13 CN CN201520020589.1U patent/CN204404184U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104482535A (en) * | 2015-01-13 | 2015-04-01 | 烟台龙源电力技术股份有限公司 | Fuel gas air distributor |
| CN104482535B (en) * | 2015-01-13 | 2017-03-15 | 烟台龙源电力技术股份有限公司 | A kind of combustion gas air register |
| WO2017067272A1 (en) * | 2015-10-20 | 2017-04-27 | 烟台龙源电力技术股份有限公司 | Micro-gas combustion gun body, ignition burner, coal powder combustion system, and coal-fired boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150617 Termination date: 20200113 |