CN218544436U - Large air-fuel ratio regulating burner for gas kiln - Google Patents
Large air-fuel ratio regulating burner for gas kiln Download PDFInfo
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- CN218544436U CN218544436U CN202223028554.1U CN202223028554U CN218544436U CN 218544436 U CN218544436 U CN 218544436U CN 202223028554 U CN202223028554 U CN 202223028554U CN 218544436 U CN218544436 U CN 218544436U
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- combustion chamber
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- air inlet
- burner
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- 239000000446 fuel Substances 0.000 title claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 title description 3
- 238000002485 combustion reaction Methods 0.000 claims abstract description 87
- 239000007789 gas Substances 0.000 description 42
- 238000009434 installation Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
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- Pre-Mixing And Non-Premixing Gas Burner (AREA)
Abstract
The utility model relates to a gas kiln is big air-fuel regulation ratio nozzle for stove, its characterized in that: comprises a burner main body and an ignition electrode; the burner body is sequentially provided with a gas pipe and a shell from inside to outside, and a combustion-supporting air channel is formed between the shell and the gas pipe; a gas inlet and a combustion-supporting air inlet are arranged on the outer side of the burner main body, the gas inlet is communicated with the gas pipe, and the combustion-supporting air inlet is communicated with the combustion-supporting air channel; the tail end of the gas pipe is integrally provided with a rugby-ball combustion chamber with an air inlet; the tail end of the rugby ball type combustion chamber is connected with a backflow combustion chamber with an air inlet hole; the tail end of the backflow combustion chamber is provided with a guide disc; the ignition electrode is arranged in the rugby ball type combustion chamber. The utility model relates to a nozzle has avoided when burning once excessive combustion-supporting wind to gush into football type combustion chamber, blows out flame or causes the phenomenon of the difficulty of igniteing, makes the nozzle ignition not restricted by the air-fuel ratio.
Description
Technical Field
The utility model relates to a gas kiln is big air-fuel regulation ratio nozzle for stove belongs to kiln nozzle technical field.
Background
The burner is a common name of a combustion device used on an industrial fuel furnace, and can be understood as an abbreviation of a nozzle for burning fire. The fuel gas type burner is generally a combustion device body part and is provided with a fuel inlet, an air inlet and an ejection hole, the fuel inlet, the air inlet and the ejection hole play roles in distributing fuel and combustion-supporting air and mixing and ejecting the fuel and the air in a certain mode for combustion, and fuel of the gas type burner mainly comprises combustible gases such as natural gas, liquefied gas, coking gas and coal gas. When the traditional gas kiln burner works, combustion-supporting air directly mixes with gas after entering a combustion chamber, and is ignited by an ignition electrode for combustion, so that the traditional gas kiln burner has the following defects: when the air-fuel ratio is large (i.e. the amount of the combustion-supporting air is excessive), the excessive combustion-supporting air rushes into the combustion chamber, and then the flame ignited in the combustion chamber is blown out, or the phenomenon of difficult ignition is directly caused.
Therefore, how to provide a gas furnace burner which avoids excessive combustion-supporting air to blow out flame or cause ignition difficulty is the research objective of the utility model.
SUMMERY OF THE UTILITY MODEL
In order to overcome the technical defects, the utility model provides a large air-fuel ratio regulating burner for a gas kiln.A rugby type combustion chamber with an air inlet hole is arranged at the tail end of a gas pipe, and part of combustion-supporting air enters the rugby type combustion chamber to be mixed with gas for carrying out primary incomplete combustion; the tail end of the rugby-ball type combustion chamber is provided with the backflow combustion chamber with the air inlet and the guide disc, and the rest part of combustion-supporting air enters the backflow combustion chamber and then is mixed with insufficiently combusted gas to perform secondary sufficient combustion, so that the phenomenon that excessive combustion-supporting air rushes into the combustion chamber during primary combustion to blow out flame or cause ignition difficulty is avoided.
For solving the prior art problem, the utility model discloses the technical scheme who adopts is:
the utility model provides a big air-fuel ratio adjusting nozzle for gas kiln which characterized in that: comprises a burner nozzle main body and an ignition electrode; the burner body is sequentially provided with a gas pipe and a shell from inside to outside, and a combustion-supporting air channel is formed between the shell and the gas pipe; a gas inlet and a combustion-supporting air inlet are arranged on the outer side of the burner main body, the gas inlet is communicated with the gas pipe, and the combustion-supporting air inlet is communicated with the combustion-supporting air channel; the tail end of the gas pipe is integrally provided with a rugby-ball combustion chamber with an air inlet; the tail end of the rugby ball type combustion chamber is connected with a backflow combustion chamber with an air inlet hole; the tail end of the backflow combustion chamber is provided with a guide disc; the ignition electrode is arranged in the rugby-ball type combustion chamber.
Furthermore, the outer side of the burner main body is also provided with a mounting flange.
Further, an air inlet hole of the rugby ball type combustion chamber is set as a first air inlet hole; and the air inlet hole of the backflow combustion chamber is set as a second air inlet hole.
Furthermore, guide holes are distributed on the outer edge of the guide disc; one end of the guide hole is communicated with the combustion-supporting air channel, and the other end of the guide hole is communicated with the backflow combustion chamber.
Furthermore, the tail end of the rugby-ball type combustion chamber is provided with a primary flame jet; and the tail end of the backflow combustion chamber is provided with a secondary flame-throwing hole.
The beneficial effects of the utility model are that: the tail end of the gas pipe is provided with a rugby ball type combustion chamber with an air inlet hole, and a part of combustion-supporting air enters the rugby ball type combustion chamber to be mixed with gas for primary incomplete combustion; the tail end of the rugby-ball type combustion chamber is provided with the backflow combustion chamber with the air inlet hole and the guide disc, and after the rest part of combustion-supporting air enters the backflow combustion chamber, the rest part of combustion-supporting air is mixed with insufficiently combusted gas to perform secondary sufficient combustion, so that the phenomenon that excessive combustion-supporting air flows into the combustion chamber during primary combustion to blow out flame or cause ignition difficulty is avoided, the ignition of the burner is not limited by an air-fuel ratio, and in the combustion process of the burner, the flameout problem does not occur even if the amount of combustion-supporting air is increased unilaterally.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the rugby ball type combustion chamber of the present invention.
Fig. 3 is a schematic structural view of the reflow combustion chamber of the present invention.
Fig. 4 is a schematic structural diagram of the guide plate of the present invention.
Fig. 5 is a side view of the guide plate of the present invention.
Wherein: the burner comprises a burner main body 1, an ignition electrode 2, a gas pipe 3, a shell 4, a gas inlet 5, a combustion-supporting air inlet 6, a rugby-ball combustion chamber 7, a backflow combustion chamber 8, a guide disc 9, a mounting flange 10, a first air inlet hole 11, a second air inlet hole 12 and a guide hole 13.
Detailed Description
In order to make the technical solution of the present invention more understandable to those skilled in the art, the present invention is further analyzed with reference to fig. 1 to 5.
As shown in fig. 1-5, a burner with a large air-fuel ratio for a gas kiln is characterized in that: comprises a burner main body 1 and an ignition electrode 2; the burner body 1 is sequentially provided with a gas pipe 3 and a shell 4 from inside to outside, and a combustion-supporting air channel is formed between the shell 4 and the gas pipe 3; a gas inlet 5 and a combustion-supporting air inlet 6 are formed in the outer side of the burner main body 1, the gas inlet 5 is communicated with the gas pipe 3, and the combustion-supporting air inlet 6 is communicated with the combustion-supporting air channel; the tail end of the gas pipe 3 is integrally provided with a rugby ball type combustion chamber 7 with an air inlet; the tail end of the rugby ball type combustion chamber 7 is connected with a backflow combustion chamber 8 with an air inlet hole; the tail end of the backflow combustion chamber 8 is provided with a guide disc 9; the ignition electrode 2 is arranged inside the rugby ball type combustion chamber 7.
In this embodiment, preferably, an installation flange 10 is further provided at an outer side of the burner body 1, and the installation flange 10 is used for facilitating installation of the burner body 1 on a kiln.
In this embodiment, preferably, the air inlet holes of the rugby ball type combustion chamber 7 are set as first air inlet holes 11, a part of the combustion-supporting air firstly enters the rugby ball type combustion chamber 7 from the first air inlet holes 11 to mix with the gas, the proportion of the combustion-supporting air entering the rugby ball type combustion chamber 7 is determined by the aperture of the first air inlet holes 11, and the larger the aperture of the first air inlet holes 11 is, the larger the proportion of the combustion-supporting air entering the rugby ball type combustion chamber 7 is; the air inlet holes of the backflow combustion chamber 8 are set as second air inlet holes 12, combustion-supporting air which does not enter the rugby-ball type combustion chamber 7 does not exist, and a part of the combustion-supporting air enters the backflow combustion chamber 8 through the second air inlet holes 12 and is mixed with gas which is not combusted sufficiently.
In this embodiment, preferably, the outer edge of the guide disc 9 is provided with guide holes 13 in a distributed manner; one end of the guide hole 13 is communicated with the combustion-supporting air channel, the other end of the guide hole is communicated with the backflow combustion chamber 8, combustion-supporting air which does not enter the rugby-ball type combustion chamber 7 or the backflow combustion chamber 8 through the second air inlet hole 12 does not exist, and finally the combustion-supporting air enters the backflow combustion chamber 8 through the guide hole 13 to be mixed with gas which is not combusted sufficiently.
In this embodiment, preferably, the end of the rugby ball type combustion chamber 7 is a primary flame-throwing hole; the tail end of the backflow combustion chamber 8 is a secondary flame nozzle.
The utility model discloses during the use: the gas enters the gas pipe 3 from the gas inlet 5, the combustion-supporting air enters the combustion-supporting air channel from the combustion-supporting air inlet 6, a part of the combustion-supporting air enters the rugby-ball combustion chamber 7 from the first air inlet 11 to be mixed with the gas, and after the gas is ignited by the ignition electrode 2, the insufficient combustion is carried out for one time; the rest part of combustion-supporting air enters the backflow combustion chamber 8 from the second air inlet holes 12 and the guide holes 13, is mixed with gas which is not combusted sufficiently, and is ignited by naked fire at the primary flame ports at the tail end of the rugby-ball type combustion chamber 7 to perform secondary sufficient combustion, and flame is sprayed out from the secondary flame ports at the tail end of the backflow combustion chamber 8 to heat the kiln. When the proportion of the combustion-supporting air entering the rugby-ball type combustion chamber 7 (namely the air-fuel ratio in the rugby-ball type combustion chamber 7) needs to be adjusted, the adjustment can be realized by changing the aperture size of the first air inlet holes 11, the larger the aperture of the first air inlet holes 11 is, the larger the proportion of the combustion-supporting air entering the rugby-ball type combustion chamber 7 is, and the larger the air-fuel ratio (the proportion of the combustion-supporting air and the fuel gas) in the rugby-ball type combustion chamber 7 is. The utility model has the advantages that: excessive combustion-supporting air rushes into the combustion chamber (rugby ball type combustion chamber 7) when having avoided once burning, blows out flame or causes the phenomenon of difficult ignition, not only makes the nozzle ignition not restricted by the air-fuel ratio, moreover in the nozzle combustion process, even combustion-supporting air unilaterally the increase also no longer appear flame-out problem.
The technical solutions provided by the present application are introduced in detail, and the principles and embodiments of the present application are explained herein by applying embodiments, and the descriptions of the embodiments are only used to help understand the method and the core ideas of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (5)
1. The utility model provides a gas kiln is with big air-fuel ratio nozzle which characterized in that: comprises a burner main body and an ignition electrode; the burner body is sequentially provided with a gas pipe and a shell from inside to outside, and a combustion-supporting air channel is formed between the shell and the gas pipe; a gas inlet and a combustion-supporting air inlet are formed in the outer side of the burner nozzle main body, the gas inlet is communicated with the gas pipe, and the combustion-supporting air inlet is communicated with the combustion-supporting air channel; the tail end of the gas pipe is integrally provided with a rugby-ball combustion chamber with an air inlet; the tail end of the rugby ball type combustion chamber is connected with a backflow combustion chamber with an air inlet hole; the tail end of the backflow combustion chamber is provided with a guide disc; the ignition electrode is arranged in the rugby ball type combustion chamber.
2. The large air-fuel ratio burner for the gas kiln as recited in claim 1, wherein: and the outer side of the burner main body is also provided with a mounting flange.
3. The large air-fuel ratio burner for the gas kiln as recited in claim 1, wherein: the air inlet hole of the rugby-ball combustion chamber is set as a first air inlet hole; and the air inlet hole of the backflow combustion chamber is set to be a second air inlet hole.
4. The large air-fuel ratio burner for the gas kiln as recited in claim 1, wherein: the outer edge of the guide disc is provided with guide holes in a distributed manner; one end of the guide hole is communicated with the combustion-supporting air channel, and the other end of the guide hole is communicated with the backflow combustion chamber.
5. The large air-fuel ratio burner for the gas kiln as recited in claim 1, wherein: the tail end of the rugby ball type combustion chamber is provided with a primary flame jet; the tail end of the backflow combustion chamber is a secondary flame port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223028554.1U CN218544436U (en) | 2022-11-14 | 2022-11-14 | Large air-fuel ratio regulating burner for gas kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223028554.1U CN218544436U (en) | 2022-11-14 | 2022-11-14 | Large air-fuel ratio regulating burner for gas kiln |
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| Publication Number | Publication Date |
|---|---|
| CN218544436U true CN218544436U (en) | 2023-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223028554.1U Active CN218544436U (en) | 2022-11-14 | 2022-11-14 | Large air-fuel ratio regulating burner for gas kiln |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117823922A (en) * | 2023-12-18 | 2024-04-05 | 佛山市安然热工机电设备有限公司 | Environment-friendly treatment device, method and system for harmful combustible waste gas of industrial kiln |
-
2022
- 2022-11-14 CN CN202223028554.1U patent/CN218544436U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117823922A (en) * | 2023-12-18 | 2024-04-05 | 佛山市安然热工机电设备有限公司 | Environment-friendly treatment device, method and system for harmful combustible waste gas of industrial kiln |
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