CN214406060U - Normal-temperature air high-temperature combustion device - Google Patents
Normal-temperature air high-temperature combustion device Download PDFInfo
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- CN214406060U CN214406060U CN202120133729.1U CN202120133729U CN214406060U CN 214406060 U CN214406060 U CN 214406060U CN 202120133729 U CN202120133729 U CN 202120133729U CN 214406060 U CN214406060 U CN 214406060U
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Abstract
The utility model discloses a normal atmospheric 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 arranged on the side wall of the rear part of the fire barrel, the gas inlet is provided with a gas proportional valve, an air valve is arranged at the air inlet, an ignition needle and a flame detector through hole are arranged at the rear end of the fire barrel, a front mixer is arranged at the middle part of the fire barrel, a rear mixer is arranged at the front part of the fire barrel, a first through hole is uniformly arranged on the front mixer, and a through hole is uniformly arranged on the rear mixer; not only saves energy, but also reduces environmental pollution.
Description
Technical Field
The utility model relates to a fire burning furnace technical field, especially relate to a normal atmospheric 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.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects in the prior art, and provides a normal temperature air high temperature combustion device, which adopts a novel physical structure to break through the insufficient mixing of the fuel gas and the combustion air of the conventional combustor; 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 above purpose, the utility model 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 utility model discloses following beneficial effect has:
the utility model relates to a normal atmospheric temperature air high temperature burner adopts novel physical structure, breaks through the insufficient shortcoming of conventional combustor gas and combustion air mixture, improves combustion apparatus combustion efficiency, and this technique enables gas and combustion air intensive mixing burning, and flame temperature is higher than conventional diffusion formula burning flame temperature 263 degrees, and carbon monoxide is 0 in the flue gas, and the burning is complete, and burning heat intensity is big, and the actual measurement of the oxygen content in the flue gas is only 1.8% simultaneously, and oxygen content has reduced 7.4%; the waste heat emission is reduced, the heating speed is improved by 18 percent, and the gas is saved by 20.68 percent, thereby the technical proposal of the utility model 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 the pre-mixer of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a schematic structural view of the post mixer 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 described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific 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 meaning 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, the present invention provides an embodiment: 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 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 sufficient mixing of the gas and the air, the air inlet 1-2 is positioned below the gas inlet 1-1, and the air entering from the air inlet 1-2 enters the fire barrel 1 through the pre-mixer 5 to be mixed with the gas flowing from the gas inlet 1-1.
In order to facilitate the sufficient combustion of the gas and the air, the utility model discloses in, the cross-section of the rear mixer 6 is "protruding" font.
In order to save energy and reduce environmental pollution, 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.
In order to facilitate the installation of the whole normal temperature air combustion device, the utility model discloses in, still include support frame 7, support frame 7 and fire bucket 1's outside fixed connection.
In order to facilitate connection, the utility model discloses in, ignition needle through-hole 1-3, flame detector through-hole 1-4 and the rear end department of fire bucket 1 are equipped with the flange.
The utility model discloses select current ordinary diffusion formula combustion apparatus to pass through the experiment, obtain following data, as table one shows, combustor power is 320 kw.
| Name (R) | Actual parameters | Remarks for note |
| Amount of feed | 25kg of 20 aluminum ingots | |
| Time of opening furnace | 11：18 | |
| Temperature of raw material at DEG C | 15 | |
| The tapping temperature of the product, DEG C | 810 | |
| Hearth flame temperature deg.C | 1256 | |
| Natural gas working pressure, kPa | 5.2 | |
| Gas consumption of the product, m3 | 39.54 | |
| Instantaneous flow rate of fuel gas, m3 | 25.68 | |
| Hearth boxOxygen content% | 9.2 | |
| Ppm of carbon monoxide in flue gas | 562 | |
| Inlet temperature of combustion air, deg.C | 12.4 | |
| Combustion air pressure kpa | 6.2 | |
| Opening degree of air outlet valve% | 100 | |
| Time of furnace shutdown | 12：53 | |
| Time to melt aluminium (minutes) | 95 |
Watch 1
Adopt the utility model discloses a burner obtains as shown in table two data: the burner power was 320 kw.
From table one and table two experimental data can know, technical scheme enable gas and combustion-supporting air intensive mixing burning, flame temperature is higher than conventional diffusion formula burning flame temperature 263 degrees, carbon monoxide is 0 in the flue gas, the actual measurement of the oxygen content in the flue gas is only 1.8% simultaneously, oxygen content has reduced 7.4%; the waste heat emission is reduced, the temperature rising speed is improved by 18 percent, and the gas is saved by 20.68 percent, thereby the utility model not only saves energy but also reduces the environmental pollution.
The utility model discloses a theory of operation: 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 and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.
Claims (7)
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).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120133729.1U CN214406060U (en) | 2021-01-18 | 2021-01-18 | Normal-temperature air high-temperature combustion device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120133729.1U CN214406060U (en) | 2021-01-18 | 2021-01-18 | Normal-temperature air high-temperature combustion device |
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| Publication Number | Publication Date |
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| CN214406060U true CN214406060U (en) | 2021-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120133729.1U Active CN214406060U (en) | 2021-01-18 | 2021-01-18 | Normal-temperature air high-temperature combustion device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781045A (en) * | 2021-01-18 | 2021-05-11 | 汉道(江苏)新能源科技有限公司 | Normal-temperature air high-temperature combustion device |
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2021
- 2021-01-18 CN CN202120133729.1U patent/CN214406060U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112781045A (en) * | 2021-01-18 | 2021-05-11 | 汉道(江苏)新能源科技有限公司 | Normal-temperature air high-temperature combustion device |
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