CN222718642U - Combustion chamber structure of gas furnace - Google Patents
Combustion chamber structure of gas furnace Download PDFInfo
- Publication number
- CN222718642U CN222718642U CN202420335737.8U CN202420335737U CN222718642U CN 222718642 U CN222718642 U CN 222718642U CN 202420335737 U CN202420335737 U CN 202420335737U CN 222718642 U CN222718642 U CN 222718642U
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- Prior art keywords
- burners
- combustion chamber
- refractory material
- chamber structure
- furnace
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 16
- 239000011819 refractory material Substances 0.000 claims abstract description 31
- 238000010285 flame spraying Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 15
- 239000010959 steel Substances 0.000 claims description 15
- 239000003365 glass fiber Substances 0.000 claims description 11
- 229910052593 corundum Inorganic materials 0.000 claims description 9
- 239000010431 corundum Substances 0.000 claims description 9
- KZHJGOXRZJKJNY-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Si]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O.O=[Al]O[Al]=O KZHJGOXRZJKJNY-UHFFFAOYSA-N 0.000 claims description 9
- 229910052863 mullite Inorganic materials 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 8
- 238000004321 preservation Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 20
- 230000000694 effects Effects 0.000 abstract description 4
- 230000001174 ascending effect Effects 0.000 abstract description 3
- 238000002844 melting Methods 0.000 abstract description 3
- 230000008018 melting Effects 0.000 abstract description 3
- 238000003723 Smelting Methods 0.000 description 18
- 239000002994 raw material Substances 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003779 heat-resistant material Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Landscapes
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
本实用新型公开了一种燃气熔炉的燃烧室结构，包括由耐火材料包裹形成的空腔；所述空腔为具有竖直的中心轴的筒形；至少四个烧嘴插接在所述耐火材料上；所述烧嘴的出口端连通所述空腔，从俯视看，多个所述烧嘴圆周均布，且所述出口端的火焰喷射方向与所述中心轴偏心布置；且多个所述烧嘴围绕所述中心轴呈螺旋上升排布。本实用新型可使得燃气炉加热均匀性提高，加热效果好、加热效率高，延长炉子耐火材料的使用寿命。
The utility model discloses a combustion chamber structure of a gas melting furnace, comprising a cavity formed by wrapping a refractory material; the cavity is cylindrical with a vertical central axis; at least four burners are plugged into the refractory material; the outlet end of the burner is connected to the cavity, and from a top view, the plurality of burners are evenly distributed around the circumference, and the flame spraying direction of the outlet end is eccentrically arranged with the central axis; and the plurality of burners are arranged in a spiral ascending manner around the central axis. The utility model can improve the heating uniformity of the gas furnace, achieve good heating effect and high heating efficiency, and extend the service life of the furnace refractory material.
Description
Technical Field
The utility model belongs to the technical field of smelting furnaces, and particularly relates to a combustion chamber structure of a gas smelting furnace.
Background
Traditional gas smelting furnace, for example, patent "a gas smelting furnace" with publication number of CN208075574U shows that smelting raw materials are added from the upper port of the furnace first, then the smelting raw materials are heated in the furnace, and gas smelting generally only has one burner to heat the smelting raw materials in the furnace chamber, but because the quantity of the burners is limited, the heating dead angle appears in the furnace chamber, the local high temperature is caused, the smelting raw materials are unevenly heated, the smelting efficiency is reduced due to uneven heating, the smelting time is long, if the smelting time is too long, molten iron is extremely easy to oxidize, the fluidity of oxidized molten iron is extremely poor, the casting is very unfavorable, and even the casting cannot be cast. In addition, uneven heating may also make the life of the refractory material in the furnace less than desired.
Disclosure of Invention
In order to overcome the defects in the background art, the utility model provides a combustion chamber structure of a gas melting furnace, and aims to improve the heating uniformity in the combustion chamber of the gas melting furnace, design a plurality of spirally-ascending burners, avoid heating dead angles and improve the heating efficiency.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
A combustion chamber structure of a gas furnace comprises a cavity formed by wrapping refractory materials, wherein the cavity is cylindrical with a vertical central shaft, at least four burners are inserted into the refractory materials, outlet ends of the burners are communicated with the cavity, a plurality of burners are circumferentially uniformly distributed in a overlooking view, flame spraying directions of the outlet ends are eccentrically arranged with the central shaft, and the burners are spirally arranged around the central shaft.
The fireproof material is further optimized and comprises a mullite corundum fireproof material, heat-insulating cotton and a glass fiber needled blanket which are sequentially and fixedly connected from inside to outside, wherein a steel shell is fixedly connected to the outer side of the glass fiber needled blanket, the burner is fixedly connected to the steel shell, and the outlet end of the burner penetrates through the glass fiber needled blanket and the heat-insulating cotton and then is inserted into a jack preset in the mullite corundum fireproof material.
As a further optimization, the cylinder is a conical cylinder, and the small end of the conical cylinder faces upwards.
As a further optimization, the number of the burners is four to six.
As further optimization, the steel shell is fixedly connected with a steel frame at the outer side.
Compared with the prior art, the utility model has the beneficial effects that:
(1) The reasonable design avoids the opposite burning, avoids the local high temperature area, enlarges the flame boundary to almost the whole combustion chamber, strengthens the convection of furnace gas, reduces dead angles in the furnace, ensures more uniform furnace temperature and ensures the heating efficiency.
(2) The furnace temperature is uniform, so that the smelting raw materials are heated uniformly, and the volatilization and oxidization of the smelting raw materials and the local high temperature are reduced.
(3) The refractory material forming the furnace chamber is heated uniformly, the refractory material is ensured to work in a reasonable temperature range all the time, and the service life of the refractory material of the furnace is prolonged.
(4) The device has simple structure, easy manufacture and low cost.
In a word, this device can make gas furnace heating homogeneity improve, and heating effect is good, heating efficiency is high, prolongs the life of stove refractory material.
Drawings
FIG. 1 is a schematic structural view of embodiment 1 of the present utility model;
Fig. 2 is a top view of fig. 1.
The corresponding relation between the technical characteristics and the reference numerals in the figure is that a steel shell 1, a glass fiber needled blanket 2, heat insulation cotton 3, mullite corundum refractory material 4 and a burner 5.
Detailed Description
The following description of the embodiments of the present utility model will be made more fully hereinafter with reference to the accompanying drawings, in which it is evident that the embodiments thus described are only some, but not all, of the preferred embodiments of the present utility model. It should be understood by those skilled in the art that these embodiments are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.
Example 1 please refer to fig. 1-2;
The utility model provides a combustion chamber structure of a gas furnace, which comprises a cavity formed by wrapping a refractory material, wherein the cavity is cylindrical with a vertical central shaft, at least four burners 5 are inserted on the refractory material, the outlet ends of the burners 5 are communicated with the cavity, a plurality of burners 5 are uniformly distributed circumferentially in a top view, the flame spraying direction of the outlet ends is eccentrically arranged with the central shaft, and the burners 5 are spirally arranged around the central shaft.
The working principle comprises that a plurality of burners 5 are eccentrically arranged with a central shaft and spirally arranged in the height direction to form spiral ascending interval uniformly distributed arrangement, so that the two burners 5 are prevented from being oppositely burnt, a local high-temperature area is avoided, the heating is more uniform, the flame boundary is almost expanded into the whole combustion chamber, the spiral ascending arrangement strengthens the convection of furnace gas, reduces dead angles in the furnace, and ensures that the furnace temperature is more uniform. Furthermore, the injection temperature of each burner 5 can be relatively reduced while ensuring the heating effect and efficiency, thereby protecting the heat-resistant material and prolonging the life of the refractory material.
The preferable refractory material implementation mode is that the refractory material comprises a mullite corundum refractory material 4, heat preservation cotton 3 and a glass fiber needled blanket 2 which are fixedly connected in sequence from inside to outside, wherein a steel shell 1 is fixedly connected to the outer side of the glass fiber needled blanket 2, a burner 5 is fixedly connected to the steel shell 1, and an outlet end of the burner 5 penetrates through the glass fiber needled blanket 2 and the heat preservation cotton 3 and then is inserted into a jack preset in the mullite corundum refractory material 4. The outer glass fiber needled blanket 2, the heat-insulating cotton 3 and the inner mullite corundum refractory material 4 are all three layers, so that the high temperature inside the furnace is not easy to be conducted to the outer side of the furnace, and the outer soft material plays a role of buffering, so that the interaction of the expansion of the refractory material and the expansion degree of the outer steel shell 1 caused by the high temperature is avoided, and the cracking of the refractory material and the deformation of the furnace shell are caused. Further protecting the mullite corundum refractory material 4 and prolonging the service life of the refractory material.
Preferably, the cylinder is a conical cylinder, and the small end of the conical cylinder faces upwards. The horn mouth with the small upper mouth and the large lower mouth avoids collision of smelting raw materials to the burner 5 in the falling process, and the horn mouth design of the installation cavity mouth of the burner 5 avoids the blocking of the mouth of the burner 5 by the smelting raw materials.
The larger the number of the burners 5 is, the better the heating uniformity is, but from the viewpoint of cost reduction, the number of the burners 5 is preferably four to six. The present embodiment uses four burners 5 as an example.
In order to further improve the structural strength, the steel frame is fixedly connected to the outer side of the steel shell 1. The steel shell 1 can be made more firm and durable.
The embodiment has the advantages that compared with the prior art:
(1) The reasonable design avoids the opposite burning, avoids the local high temperature area, enlarges the flame boundary to almost the whole combustion chamber, strengthens the convection of furnace gas, reduces dead angles in the furnace, ensures more uniform furnace temperature and ensures the heating efficiency.
(2) The furnace temperature is uniform, so that the smelting raw materials are heated uniformly, and the volatilization and oxidization of the smelting raw materials and the local high temperature are reduced.
(3) The refractory material forming the furnace chamber is heated uniformly, the refractory material is ensured to work in a reasonable temperature range all the time, and the service life of the refractory material of the furnace is prolonged.
(4) The device has simple structure, easy manufacture and low cost.
In a word, this device can make gas furnace heating homogeneity improve, and heating effect is good, heating efficiency is high, prolongs the life of stove refractory material.
The present utility model is not described in detail in the prior art, and various technical features of the above-described embodiments may be arbitrarily combined for those skilled in the art, and all possible combinations of the various technical features of the above-described embodiments are not described for brevity, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the present description. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. A combustion chamber structure of a gas furnace comprises a cavity formed by wrapping refractory materials, and is characterized in that the cavity is cylindrical with a vertical central shaft;
The outlet ends of the burners (5) are communicated with the cavity, and a plurality of burners (5) are spirally arranged around the central shaft;
In a top view, a plurality of burners (5) are circumferentially and uniformly distributed, and the flame spraying direction of the outlet end and the central shaft are eccentrically arranged.
2. The combustion chamber structure of the gas furnace according to claim 1, wherein the refractory material comprises mullite corundum refractory material (4), heat preservation cotton (3) and glass fiber needled blanket (2) which are sequentially and fixedly connected from inside to outside;
the outer side of the glass fiber needled blanket (2) is fixedly connected with a steel shell (1);
The burner (5) is fixedly connected to the steel shell (1), and the outlet end of the burner penetrates through the glass fiber needled blanket (2) and the heat-insulating cotton (3) and then is inserted into a jack preset in the mullite corundum refractory material (4).
3. The combustion chamber structure of a gas furnace according to claim 1, wherein the cylindrical shape is a conical shape with a small end facing upward.
4. The combustion chamber structure of a gas furnace according to claim 1, wherein the number of burners (5) is four to six.
5. The combustion chamber structure of a gas furnace according to claim 2, wherein a steel frame is fixedly connected to the outer side of the steel shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420335737.8U CN222718642U (en) | 2024-02-23 | 2024-02-23 | Combustion chamber structure of gas furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420335737.8U CN222718642U (en) | 2024-02-23 | 2024-02-23 | Combustion chamber structure of gas furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222718642U true CN222718642U (en) | 2025-04-04 |
Family
ID=95166638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420335737.8U Active CN222718642U (en) | 2024-02-23 | 2024-02-23 | Combustion chamber structure of gas furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222718642U (en) |
-
2024
- 2024-02-23 CN CN202420335737.8U patent/CN222718642U/en active Active
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