CN112781045A - Normal-temperature air high-temperature combustion device - Google Patents
Normal-temperature air high-temperature combustion device Download PDFInfo
- Publication number
- CN112781045A CN112781045A CN202110059831.6A CN202110059831A CN112781045A CN 112781045 A CN112781045 A CN 112781045A CN 202110059831 A CN202110059831 A CN 202110059831A CN 112781045 A CN112781045 A CN 112781045A
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- CN
- China
- Prior art keywords
- mixer
- temperature
- normal
- combustion device
- air
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- 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.)
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Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 45
- 239000007789 gas Substances 0.000 claims description 27
- 239000002737 fuel gas Substances 0.000 claims description 15
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
- 229910052593 corundum Inorganic materials 0.000 claims description 2
- 239000010431 corundum Substances 0.000 claims description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 2
- 238000003912 environmental pollution Methods 0.000 abstract description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 12
- 239000003546 flue gas Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 229910052760 oxygen Inorganic materials 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 6
- 229910002091 carbon monoxide Inorganic materials 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
-
- 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
- F23D14/62—Mixing devices; Mixing tubes
-
- 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
- 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
- F23D14/60—Devices for simultaneous control of gas and combustion air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2203/00—Gaseous fuel burners
- F23D2203/007—Mixing tubes, air supply regulation
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention discloses a normal-temperature air high-temperature combustion device, which belongs to the technical field of combustion furnaces and comprises a fire barrel, wherein a gas inlet and an air inlet are formed in the side wall of the rear part of the fire barrel, a gas proportional valve is arranged at the gas inlet, an air valve is arranged at the air inlet, an ignition needle and a flame detector through hole are formed in the rear end of the fire barrel, a front mixer is arranged in the middle of the fire barrel, a rear mixer is arranged in the front part of the fire barrel, first through holes are uniformly formed in the front mixer, and through holes are uniformly formed in the rear mixer; not only saves energy, but also reduces environmental pollution.
Description
Technical Field
The invention relates to the technical field of combustion furnaces, in particular to a normal-temperature air high-temperature combustion device.
Background
At present, most of gas combustion equipment adopts conventional diffusion type combustion, in order to achieve more sufficient combustion, a conventional diffusion type combustor adopts excessive air to mix gas, so that insufficient combustion is caused, the flame temperature is low, discharged flue gas contains unburned carbon monoxide, the oxygen content in the flue gas is higher, a large amount of heat is discharged to the natural environment, energy is wasted, and environmental pollution is caused; and a part of combustors adopt a surface premixing combustion technology, are used in a boiler with low power, and cannot meet the production requirement.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a normal-temperature air high-temperature combustion device which adopts a novel physical structure and breaks through the problem that the conventional combustor is insufficient in mixing of fuel gas and combustion air; or the defects of surface premixed combustion, use limitation and the like are overcome, so that the safety and the combustion efficiency of combustion equipment are improved, and the fire barrel is made of novel high-temperature-resistant materials and the like; a combustion device which can be used in a large number of kilns; the technology can fully mix and burn fuel gas and combustion air, the flame temperature is 263 ℃ higher than that of the conventional diffusion type combustion flame, carbon monoxide in the flue gas is 0, meanwhile, the actual measurement of the oxygen content in the flue gas is only 1.8%, and the oxygen content is reduced by 7.4%; the waste heat emission is reduced, the temperature rising speed is improved by 18 percent, and the fuel gas is saved by 20.68 percent.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a normal atmospheric temperature air high temperature combustion device, it has gas air inlet and air intlet to open on the rear portion lateral wall of fiery bucket, and gas air inlet department is equipped with the gas proportional valve, and air intlet department is equipped with the blast gate, and the rear end of fiery bucket is equipped with ignition needle through-hole and flame detector through-hole respectively, and the middle part of fiery bucket is equipped with leading blender, and the front portion of fiery bucket is equipped with rearmounted blender, and evenly open on the leading blender has first through-hole, evenly open on the rearmounted blender has the through-hole.
As a further description of the above technical solution: the pre-mixer is positioned below the gas inlet and is communicated with the gas inlet.
As a further description of the above technical solution: the air inlet is positioned below the gas inlet, and air entering from the air inlet enters the fire barrel through the front mixer and then is mixed with gas flowing into the gas inlet.
As a further description of the above technical solution: the section of the rear mixer is in a convex shape.
As a further description of the above technical solution: the top end face of the rear mixer is provided with a second through hole, the side face of the top end face of the rear mixer is provided with a third through hole, and the bottom end face of the rear mixer is provided with a fourth through hole.
As a further description of the above technical solution: the fire bucket is characterized by further comprising a support frame, and the support frame is fixedly connected with the outer portion of the fire bucket.
As a further description of the above technical solution: flanges are arranged at the through hole of the ignition needle and the rear end of the fire barrel.
As a further description of the above technical solution: the fire barrel is made of silicon nitride, silicon carbide and corundum according to the weight ratio of 2: 1: 3, and mixing.
The invention has the following beneficial effects:
the normal-temperature air high-temperature combustion device adopts a novel physical structure, overcomes the defect of insufficient mixing of fuel gas and combustion air of a conventional combustor, and improves the combustion efficiency of combustion equipment, the technology can ensure that the fuel gas and the combustion air are fully mixed and combusted, the flame temperature is 263 ℃ higher than that of the flame in the conventional diffusion type combustion, the carbon monoxide in the flue gas is 0, the combustion is complete, the combustion heat intensity is high, meanwhile, the actual measurement of the oxygen content in the flue gas is only 1.8 percent, and the oxygen content is reduced by 7.4 percent; the waste heat emission is reduced, the temperature rising speed is improved by 18%, and the fuel gas is saved by 20.68%, so that the technical scheme of the invention not only saves energy, but also reduces the environmental pollution.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a pre-mixer of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic diagram of the post mixer configuration of the present invention;
fig. 5 is a sectional view B-B of fig. 4.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, one embodiment of the present invention is provided: a normal-temperature air high-temperature combustion device comprises a fire barrel 1, wherein a gas inlet 1-1 and an air inlet 1-2 are formed in the side wall of the rear portion of the fire barrel 1, a gas proportional valve 3 is arranged at the gas inlet 1-1, an air valve 4 is arranged at the air inlet 1-2, an ignition needle through hole 1-3 and a flame detector through hole 1-4 are respectively formed in the rear end of the fire barrel 1, a front mixer 5 is arranged in the middle of the fire barrel 1, a rear mixer 6 is arranged in the front of the fire barrel 1, first through holes 5-1 are uniformly formed in the front mixer 5, and through holes are uniformly formed in the rear mixer 6.
In order to facilitate the gas and the air to be fully mixed, the pre-mixer 5 is positioned below the gas inlet 1-1 and is communicated with the gas inlet 1-1.
In order to facilitate the full mixing of the fuel gas and the air, in the invention, the air inlet 1-2 is positioned below the fuel gas inlet 1-1, and the air entering from the air inlet 1-2 enters the fire barrel 1 after passing through the pre-mixer 5 to be mixed with the fuel gas flowing from the fuel gas inlet 1-1.
In order to facilitate the full combustion of gas and air, the section of the post mixer 6 is in a convex shape.
In order to save energy and reduce environmental pollution, in the invention, the top end face of the post mixer 6 is provided with a second through hole 6-1, the side face of the top end face of the post mixer 6 is provided with a third through hole 6-2, and the bottom end face of the post mixer 6 is provided with a fourth through hole 6-3.
In order to facilitate the integral installation of the normal-temperature air combustion device, the invention also comprises a support frame 7, and the support frame 7 is fixedly connected with the outside of the fire bucket 1.
In order to facilitate connection, flanges are arranged at the through holes 1-3 of the ignition needle, the through holes 1-4 of the flame detector and the rear end of the fire barrel 1.
The invention selects the existing common diffusion type combustion equipment to obtain the following data through experiments, and the power of the combustor is 320kw as shown in the table I.
Table one using the combustion apparatus of the present invention, data as shown in table two were obtained: the burner power was 320 kw.
As can be seen from the experimental data shown in the first and second tables, the technical scheme of the invention can ensure that the fuel gas and the combustion air are fully mixed and combusted, the flame temperature is 263 ℃ higher than that of the conventional diffusion combustion flame, the carbon monoxide in the flue gas is 0, and meanwhile, the actual measurement of the oxygen content in the flue gas is only 1.8 percent, and the oxygen content is reduced by 7.4 percent; the waste heat emission is reduced, the temperature rising speed is improved by 18 percent, and the fuel gas is saved by 20.68 percent, so that the invention not only saves energy, but also reduces the environmental pollution.
The working principle of the invention is as follows: firstly, an ignition needle and a flame detector extend into a fire barrel through holes of the ignition needle and the flame detector; the whole is firmly installed through the supporting frame, then the gas proportional valve and the air valve are adjusted according to the optimal mixing ratio (the ratio during full combustion) of the gas and the air, so that the mixing ratio of the gas and the air is controlled to enter the pre-mixer, the gas and the air flowing through the pre-mixer reach a certain optimal mixing ratio, so that the mixed gas can be fully combusted in the fire barrel, and the rest phenomena of possible insufficient combustion caused by errors or other reasons are further reduced or reduced after being processed by the post-mixer, so that the energy consumption and the waste gas emission are reduced while the combustion efficiency is effectively improved, and the environment is protected to the maximum extent.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (8)
1. The utility model provides a normal atmospheric temperature air high temperature burner, includes fire bucket (1), its characterized in that: the fire barrel is characterized in that a gas inlet (1-1) and an air inlet (1-2) are formed in the side wall of the rear portion of the fire barrel (1), a gas proportional valve (3) is arranged at the gas inlet (1-1), an air valve (4) is arranged at the air inlet (1-2), an ignition needle through hole (1-3) and a flame detector through hole (1-4) are respectively formed in the rear end of the fire barrel (1), a front mixer (5) is arranged in the middle of the fire barrel (1), a rear mixer (6) is arranged in the front of the fire barrel (1), first through holes (5-1) are uniformly formed in the front mixer (5), and through holes are uniformly formed in the rear mixer (6).
2. A normal-temperature air high-temperature combustion device according to claim 1, characterized in that: the pre-mixer (5) is positioned below the gas inlet (1-1) and communicated with the gas inlet (1-1).
3. A normal-temperature air high-temperature combustion device according to claim 2, characterized in that: the air inlet (1-2) is positioned below the fuel gas inlet (1-1), and air entering from the air inlet (1-2) enters the fire barrel (1) through the pre-mixer (5) and is mixed with fuel gas flowing from the fuel gas inlet (1-1).
4. A normal-temperature air high-temperature combustion device according to claim 2, characterized in that: the section of the rear mixer (6) is in a convex shape.
5. A normal-temperature air high-temperature combustion device as claimed in claim 4, wherein: the top end face of the rear mixer (6) is provided with a second through hole (6-1), the side face of the top end face of the rear mixer (6) is provided with a third through hole (6-2), and the bottom end face of the rear mixer (6) is provided with a fourth through hole (6-3).
6. A normal-temperature air high-temperature combustion device according to claim 1, characterized in that: the fire bucket is characterized by further comprising a support frame (7), wherein the support frame (7) is fixedly connected with the outer portion of the fire bucket (1).
7. A normal-temperature air high-temperature combustion device according to claim 1, characterized in that: flanges are arranged at the rear ends of the ignition needle through hole (1-3) and the fire barrel (1).
8. A normal-temperature air high-temperature combustion device according to claim 1, characterized in that: the fire barrel (1) is made of silicon nitride, silicon carbide and corundum according to the weight ratio of 2: 1: 3, and mixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110059831.6A CN112781045A (en) | 2021-01-18 | 2021-01-18 | Normal-temperature air high-temperature combustion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110059831.6A CN112781045A (en) | 2021-01-18 | 2021-01-18 | Normal-temperature air high-temperature combustion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112781045A true CN112781045A (en) | 2021-05-11 |
Family
ID=75757002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110059831.6A Pending CN112781045A (en) | 2021-01-18 | 2021-01-18 | Normal-temperature air high-temperature combustion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112781045A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883519A (en) * | 2021-10-14 | 2022-01-04 | 江苏圣君纳米科技有限公司 | External gas mixer for glass forming fire head combustion |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196300A (en) * | 2006-12-04 | 2008-06-11 | 金永纯 | Gas burner |
| CN201715506U (en) * | 2010-06-11 | 2011-01-19 | 襄樊新华九暖通设备工程有限公司 | Full-premixing micro-flame gas burner |
| CN202647757U (en) * | 2012-06-13 | 2013-01-02 | 袁琳 | Efficient burner |
| CN102913909A (en) * | 2012-11-07 | 2013-02-06 | 青海聚合热力有限责任公司 | Metal fiber post-mixing type burner and boiler employing same |
| WO2014170707A1 (en) * | 2013-04-17 | 2014-10-23 | Sabaf S.P.A. | Gas burner for cooking hobs |
| CN104807008A (en) * | 2015-04-10 | 2015-07-29 | 袁树月 | Gas premixed burner |
| CN109058988A (en) * | 2018-07-25 | 2018-12-21 | 郑州大学 | A kind of low nitrogen oxygen burner of gas burning kiln |
| CN111795385A (en) * | 2020-07-31 | 2020-10-20 | 深圳市人人节能设备有限公司 | Furnace end with flame enhancement function |
| CN214406060U (en) * | 2021-01-18 | 2021-10-15 | 汉道(江苏)新能源科技有限公司 | Normal-temperature air high-temperature combustion device |
-
2021
- 2021-01-18 CN CN202110059831.6A patent/CN112781045A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101196300A (en) * | 2006-12-04 | 2008-06-11 | 金永纯 | Gas burner |
| CN201715506U (en) * | 2010-06-11 | 2011-01-19 | 襄樊新华九暖通设备工程有限公司 | Full-premixing micro-flame gas burner |
| CN202647757U (en) * | 2012-06-13 | 2013-01-02 | 袁琳 | Efficient burner |
| CN102913909A (en) * | 2012-11-07 | 2013-02-06 | 青海聚合热力有限责任公司 | Metal fiber post-mixing type burner and boiler employing same |
| WO2014170707A1 (en) * | 2013-04-17 | 2014-10-23 | Sabaf S.P.A. | Gas burner for cooking hobs |
| CN104807008A (en) * | 2015-04-10 | 2015-07-29 | 袁树月 | Gas premixed burner |
| CN109058988A (en) * | 2018-07-25 | 2018-12-21 | 郑州大学 | A kind of low nitrogen oxygen burner of gas burning kiln |
| CN111795385A (en) * | 2020-07-31 | 2020-10-20 | 深圳市人人节能设备有限公司 | Furnace end with flame enhancement function |
| CN214406060U (en) * | 2021-01-18 | 2021-10-15 | 汉道(江苏)新能源科技有限公司 | Normal-temperature air high-temperature combustion device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113883519A (en) * | 2021-10-14 | 2022-01-04 | 江苏圣君纳米科技有限公司 | External gas mixer for glass forming fire head combustion |
| CN113883519B (en) * | 2021-10-14 | 2023-07-21 | 江苏圣君纳米科技有限公司 | External gas mixer for burning glass forming fire head |
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