CN211758428U - Burner and ladle baking device - Google Patents
Burner and ladle baking device Download PDFInfo
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- CN211758428U CN211758428U CN201922351445.5U CN201922351445U CN211758428U CN 211758428 U CN211758428 U CN 211758428U CN 201922351445 U CN201922351445 U CN 201922351445U CN 211758428 U CN211758428 U CN 211758428U
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Abstract
The utility model belongs to the technical field of the steelmaking production, a nozzle and roast package ware is disclosed. This nozzle sets up on well package for to the toasting of well package, this nozzle includes: the air storage chamber is provided with an air inlet, and the air inlet is used for introducing air; the coal gas storage chamber is provided with a coal gas inlet, and the coal gas inlet is used for introducing coal gas; the combustion chamber is respectively communicated with the gas storage chamber and the air inlet, and is used for combusting air and gas in the combustion chamber; and the preheating chamber is arranged in the gas storage chamber, is communicated with the combustion chamber and is used for preheating the gas in the gas storage chamber. The burner realizes preheating treatment on the coal gas in the coal gas storage chamber, so that the temperature is raised before the coal gas and air are mixed and combusted, and the coal gas is ensured to be more fully combusted under the high-temperature condition, thereby achieving the purpose of saving the coal gas consumption and improving the safety performance.
Description
Technical Field
The utility model relates to a steelmaking production technical field especially relates to a nozzle and roast package ware.
Background
The ladle generally needs to be baked after being newly built and before being filled with molten steel, and a ladle baking device is a device for baking the ladle.
In the normal use process of the billet caster, after the tundish is used to reach the specified number of furnaces, the tundish needs to be replaced, before the tundish is replaced, the tundish needs to be baked by burning coal gas through a ladle baking device, and the flame baking is usually more than 1000 ℃. Because the gas flow speed is high in the baking process, due to the fact that the instantaneous temperature is insufficient in the burner of the ladle baking device, the gas flows out of the burner without being completely and fully combusted, flame overflows, waste of the gas is caused, and potential safety hazards are easily caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a nozzle and roast package ware for guarantee the energy-conserving effect of nozzle, improve gas utilization rate and security in the use.
To achieve the purpose, the utility model adopts the following technical proposal:
a burner nozzle is arranged on a tundish and used for baking the tundish, and comprises:
the air storage chamber is provided with an air inlet, and the air inlet is used for introducing air;
the coal gas storage chamber is provided with a coal gas inlet, and the coal gas inlet is used for introducing coal gas;
the combustion chamber is communicated with the gas storage chamber and the air storage chamber respectively, and the combustion chamber is used for combusting the air and the gas;
the preheating chamber is arranged in the gas storage chamber, communicated with the combustion chamber and used for preheating the gas in the gas storage chamber.
Preferably, the gas stove further comprises a gas pipeline assembly, one end of the gas pipeline assembly is communicated with the gas storage chamber, and the other end of the gas pipeline assembly is communicated with the combustion chamber.
Preferably, the gas pipeline assembly comprises a first pipeline, the first pipeline is arranged inside the preheating chamber, one end of the first pipeline is communicated with the gas storage chamber, and the other end of the first pipeline is communicated with the combustion chamber.
Preferably, the gas pipeline assembly further comprises a second pipeline, the second pipeline penetrates through the air storage chamber, one end of the second pipeline extends into the preheating chamber and is communicated with the first pipeline, and the other end of the second pipeline is communicated with the combustion chamber.
Preferably, the second pipeline is arranged vertically relative to a horizontal plane, and the first pipeline is arranged obliquely relative to the horizontal plane.
Preferably, the number of the first pipelines is two, and the two first pipelines are symmetrically arranged on two sides of the second pipeline.
Preferably, the air preheating device further comprises a heat recovery pipe, the heat recovery pipe penetrates through the air storage chamber, and two ends of the heat recovery pipe are respectively communicated with the combustion chamber and the preheating chamber.
Preferably, the number of the heat recovery pipes is two, and the two heat recovery pipes are symmetrically arranged on two sides of the combustion chamber respectively.
In order to achieve the purpose, the utility model also provides a ladle baking device, which comprises the burner.
Preferably, the number of the burners is five, four burners are distributed in a straight-line structure, and the other burner is positioned in an impact area of the tundish.
The utility model has the advantages that:
the burner provided by the utility model is provided with the gas storage chamber, so that the gas storage space is arranged in the burner to provide sufficient gas for the combustion chamber; through setting up the air reservoir, realize setting up air storage space in the nozzle inside for the combustion chamber provides sufficient air. The combustion chamber is communicated with the preheating chamber, so that when coal gas and air are combusted in the combustion chamber, heat generated by combustion can be introduced into the preheating chamber, the preheating chamber is arranged in the coal gas storage chamber and can heat unburned coal gas in the coal gas storage chamber, preheating treatment of the coal gas in the coal gas storage chamber is realized, the temperature of the coal gas and the air is raised before mixed combustion, the coal gas is ensured to be combusted more sufficiently under the high-temperature condition, the problem that the coal gas cannot reach the temperature of sufficient combustion in the burner during use and the flame overflows is solved, the purpose of saving the coal gas is achieved, and the safety performance is improved.
The utility model provides a roast package ware through setting up the nozzle, improves the energy-conserving effect of nozzle, improves the gas utilization ratio in the use, has saved manufacturing cost.
Drawings
Fig. 1 is a schematic structural diagram of the burner of the present invention.
In the figure:
1. an air storage chamber; 2. a gas storage chamber; 3. a combustion chamber; 4. a preheating chamber; 5. a gas line assembly; 6. a heat recovery tube; 7. a support member;
11. an air inlet; 21. a gas inlet;
51. a first pipeline; 52. a second pipeline.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
The embodiment provides a roast package ware, is applicable to steelmaking production technical field, and roast package ware includes the nozzle, and the nozzle sets up on the be built by contract of well package for toast well package. The ladle baking device provided by the embodiment improves the energy-saving effect of the burner by arranging the burner, improves the utilization rate of the gas in the using process and saves the production cost.
The number of the ladle baking devices is preferably two, each ladle baking device is connected to the output end of one hydraulic cylinder, and the hydraulic cylinders can drive the ladle baking devices to move up and down so as to bake the center ladles. Optionally, the two ladle baking devices can be used alternately, so that the failure rate is reduced, and the baking effect on the tundish is ensured.
Preferably, the number of the burners in the ladle baking device is five, wherein four burners are distributed in a straight-line structure, the distance between two adjacent burners is 1350mm, the other burner, namely the fifth burner is positioned in an impact area of the tundish, the impact area is a main flame baking area, the flame overflow is serious, the gas consumption is high, and the ladle baking time is long.
The burner of the existing ladle roaster adopts a hollow structure, and gas cannot reach the temperature of sufficient combustion in the burner during use, so that the gas is insufficiently combusted, flame overflows, and the waste of the gas is caused. In order to solve the problem, the embodiment provides a burner, and the burner is arranged on the tundish and used for baking the tundish. As shown in fig. 1, the burner comprises an air storage chamber 1, a gas storage chamber 2, a combustion chamber 3 and a preheating chamber 4, wherein an air inlet 11 is formed in the air storage chamber 1, the air inlet 11 is used for introducing air, a gas inlet 21 is formed in the gas storage chamber 2, the gas inlet 21 is used for introducing gas, the combustion chamber 3 is respectively communicated with the gas storage chamber 2 and the air storage chamber 1, the combustion chamber 3 is used for combusting air and gas, and the combustion chamber 3 provides a combustion space for combusting air and gas, so that the air and gas can be sufficiently combusted in the combustion chamber 3 and generate a large amount of heat in the combustion process. The preheating chamber 4 can be arranged inside the gas storage chamber 2, the preheating chamber 4 is communicated with the combustion chamber 3 so as to recover heat generated by combustion in the combustion chamber 3 and is used for preheating the gas in the gas storage chamber 2, and the outlet end of the preheating chamber 4 is upwards arranged and communicated with the outside atmosphere so as to be convenient for discharging the heat to the outside.
According to the burner provided by the embodiment, the gas storage space is arranged in the burner by arranging the gas storage chamber 2, so that sufficient gas is provided for the combustion chamber 3; through setting up air reservoir 1, realize setting up air storage space in the nozzle inside to provide sufficient air for combustion chamber 3. The combustion chamber 3 is communicated with the preheating chamber 4, so that when coal gas and air in the combustion chamber 3 are combusted, heat generated by combustion can be introduced into the preheating chamber 4, the preheating chamber 4 is arranged inside the coal gas storage chamber 2 and can heat unburned coal gas in the coal gas storage chamber 2, preheating treatment of the coal gas in the coal gas storage chamber 2 is realized, the temperature is raised before mixed combustion of the coal gas and the air, the coal gas is ensured to be combusted more fully under a high-temperature condition, the problem that the coal gas cannot reach the temperature of full combustion in a burner during use and flame overflows is solved, the purpose of saving the coal gas consumption is achieved, and the safety performance is improved.
Before improvement, the concentration of gas of the existing burner is within the range of 30-34, and the average coal gas consumption of 5064 cubes per hour is achieved, after improvement, the burner provided by the embodiment consumes about 3541 cubes per hour when the concentration of the coal gas is within the range of 30-34, so that the utilization rate of the coal gas in the use process is improved, and the energy-saving effect of the burner is guaranteed.
Further, in order to realize that the gas storage chamber 2 can provide gas for the combustion chamber 3, the burner further comprises a gas pipeline component 5, one end of the gas pipeline component 5 is communicated with the gas storage chamber 2, the other end of the gas pipeline component is communicated with the combustion chamber 3, and the communication between the gas storage chamber 2 and the combustion chamber 3 is realized.
Specifically, the gas pipeline assembly 5 includes a first pipeline 51 and a second pipeline 52, the first pipeline 51 is disposed inside the preheating chamber 4, one end of the first pipeline 51 is communicated with the gas storage chamber 2, and the other end is communicated with the combustion chamber 3. The second pipeline 52 passes through the air storage chamber 1, one end of the second pipeline 52 extends into the preheating chamber 4 and is communicated with the first pipeline 51, and the other end of the second pipeline 52 is communicated with the combustion chamber 3, so that after the coal gas introduced from the coal gas inlet 21 enters the coal gas storage chamber 2, the coal gas flows through the first pipeline 51 and the second pipeline 52 in sequence and enters the combustion chamber 3.
The pipe diameter of the first pipeline 51 is smaller than that of the second pipeline 52, and by adopting the arrangement mode, the first pipeline 51 plays a throttling role, and the condition of gas backflow is avoided. The first pipeline 51 is arranged obliquely relative to the horizontal plane, so that the first pipeline 51 plays a role of drainage, and gas in the first pipeline 51 can enter the second pipeline 52 conveniently. Optionally, the number of the first pipelines 51 is two, and the two first pipelines 51 are symmetrically arranged on two sides of the second pipeline 52. The dual-pipe mode is adopted, so that the efficiency of conveying the coal gas from the first pipeline 51 to the second pipeline 52 is increased.
The pipe diameter of the second pipeline 52 is relatively large, so that the flow area is increased, the second pipeline 52 is vertically arranged relative to the horizontal plane, and the coal gas in the second pipeline 52 can conveniently flow into the combustion chamber 3 under the action of gravity. Preferably, the axis of the second duct 52 coincides with the axis of the combustion chamber 3, facilitating communication between the second duct 52 and the combustion chamber 3.
It can be understood that one end of the second pipeline 52 close to the combustion chamber 3 extends into the combustion chamber 3, and in order to ensure the structural stability, a plurality of supporting members 7 are arranged between the second pipeline 52 and the combustion chamber 3, wherein the number of the supporting members 7 can be a plurality, and the plurality of supporting members 7 are uniformly arranged along the circumferential direction of the second pipeline 52, so that the supporting effect is good.
The second pipe 52 passes through the air storage chamber 1, so that the air in the air storage chamber 1 enters the combustion chamber 3 through the gap between the second pipe 52 and the combustion chamber 3 and the gap between two adjacent supporting pieces 7 to be mixed with the coal gas.
In order to realize the communication between the combustion chamber 3 and the preheating chamber 4, the burner further comprises a heat recovery pipe 6, the heat recovery pipe 6 penetrates through the air storage chamber 1, and two ends of the heat recovery pipe 6 are respectively communicated with the combustion chamber 3 and the preheating chamber 4, so that heat generated by flame in the combustion chamber 3 returns to the interior of the preheating chamber 4 through the heat recovery pipe 6, and the gas storage chamber 2 can be preheated. Optionally, the outlet end of the heat recycling pipe 6 may be further disposed toward the first pipeline 51, and the first pipeline 51 is disposed inside the preheating chamber 4, so that the first pipeline 51 can be baked, thereby heating the gas and air before mixed combustion, and the high temperature is favorable for sufficient combustion of the gas, thereby achieving the purpose of saving the gas consumption.
Wherein, the quantity of heat recovery pipe 6 is two, and two heat recovery pipes 6 are symmetrical respectively in the both sides of combustion chamber 3, have increased heat recovery's flow area, have guaranteed the preheating effect to the coal gas.
In the description herein, it is to be understood that the terms "upper", "lower", "right", and the like are used in an orientation or positional relationship based on that shown in the drawings for convenience of description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.
In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.
In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied thereto. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. The utility model provides a nozzle, the nozzle sets up on well package, be used for right the toasting of well package, its characterized in that, the nozzle includes:
the air storage chamber (1) is provided with an air inlet (11), and the air inlet (11) is used for introducing air;
the coal gas storage chamber (2) is provided with a coal gas inlet (21), and the coal gas inlet (21) is used for introducing coal gas;
the combustion chamber (3) is respectively communicated with the gas storage chamber (2) and the air storage chamber (1), and the combustion chamber (3) is used for combusting the air and the gas;
the preheating chamber (4) is arranged in the gas storage chamber (2), communicated with the combustion chamber (3) and used for preheating the gas in the gas storage chamber (2).
2. The burner nozzle according to claim 1, further comprising a gas pipeline assembly (5), wherein one end of the gas pipeline assembly (5) is communicated with the gas storage chamber (2), and the other end is communicated with the combustion chamber (3).
3. The burner nozzle according to claim 2, wherein the gas line assembly (5) comprises a first line (51), the first line (51) is arranged inside the preheating chamber (4), one end of the first line (51) is communicated with the gas storage chamber (2), and the other end of the first line is communicated with the combustion chamber (3).
4. The burner of claim 3, wherein the gas line assembly (5) further comprises a second line (52), the second line (52) passes through the air storage chamber (1), one end of the second line (52) extends into the preheating chamber (4) and is communicated with the first line (51), and the other end of the second line is communicated with the combustion chamber (3).
5. A burner according to claim 4, wherein said second conduit (52) is arranged vertically with respect to a horizontal plane and said first conduit (51) is arranged obliquely with respect to the horizontal plane.
6. The burner nozzle according to claim 4, wherein the number of the first pipelines (51) is two, and the two first pipelines (51) are symmetrically arranged on two sides of the second pipeline (52).
7. The burner nozzle according to claim 1, further comprising a heat recovery pipe (6), wherein the heat recovery pipe (6) penetrates through the air storage chamber (1), and two ends of the heat recovery pipe (6) are respectively communicated with the combustion chamber (3) and the preheating chamber (4).
8. The burner according to claim 7, wherein the number of the heat recovery pipes (6) is two, and the two heat recovery pipes (6) are respectively and symmetrically arranged on two sides of the combustion chamber (3).
9. A toaster comprising a burner according to any of claims 1 to 8.
10. The ladle roasting device according to claim 9, wherein the number of the burners is five, four of the burners are distributed in a straight line structure, and the other burner is positioned in an impact area of the tundish.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922351445.5U CN211758428U (en) | 2019-12-24 | 2019-12-24 | Burner and ladle baking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922351445.5U CN211758428U (en) | 2019-12-24 | 2019-12-24 | Burner and ladle baking device |
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| Publication Number | Publication Date |
|---|---|
| CN211758428U true CN211758428U (en) | 2020-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922351445.5U Active CN211758428U (en) | 2019-12-24 | 2019-12-24 | Burner and ladle baking device |
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| CN (1) | CN211758428U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213388A (en) * | 2022-06-30 | 2022-10-21 | 天津喆丰环保科技有限公司 | Ladle baking gun |
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2019
- 2019-12-24 CN CN201922351445.5U patent/CN211758428U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115213388A (en) * | 2022-06-30 | 2022-10-21 | 天津喆丰环保科技有限公司 | Ladle baking gun |
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