CN212902609U - Side-blown smelting furnace - Google Patents
Side-blown smelting furnace Download PDFInfo
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- CN212902609U CN212902609U CN202020997456.0U CN202020997456U CN212902609U CN 212902609 U CN212902609 U CN 212902609U CN 202020997456 U CN202020997456 U CN 202020997456U CN 212902609 U CN212902609 U CN 212902609U
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Abstract
The utility model discloses a side-blown smelting furnace, side-blown smelting furnace includes: the furnace body comprises a furnace top and a furnace chamber; a partition wall provided to be movable up and down between a first position and a second position, at least a portion of the partition wall located at the first position being located within the cavity to divide the cavity into a first area and a second area, and at least a portion of the partition wall located at the second position being located outside the cavity; a drive means connectable to the partition for driving the partition to move from the first position to the second position; and the lower flue comprises a first flue and a second flue, the first flue is communicated with the first area, and the second flue is communicated with the second area. According to the utility model discloses side-blown smelting furnace has convenient to overhaul partition wall, partition wall and overhauls weak point consuming time, advantage such as output height.
Description
Technical Field
The utility model relates to a metallurgical field specifically, relates to side-blown smelting furnace.
Background
In the related art, in order to realize control of different atmospheres in the same side-blown smelting furnace and further realize dual purposes of the side-blown smelting furnace, partition walls can be arranged in the side-blown smelting furnace so as to form at least two smelting areas. The side-blown smelting furnace has higher temperature, so the service life of the partition wall is shorter, and the frequency of maintenance and replacement is higher.
SUMMERY OF THE UTILITY MODEL
The present invention aims at solving at least one of the technical problems in the related art to a certain extent. Therefore, the utility model provides a side-blown smelting furnace.
According to the utility model discloses a side-blown smelting furnace includes: the furnace body comprises a furnace top and a furnace chamber; a partition wall provided to be movable up and down between a first position and a second position, at least a portion of the partition wall located at the first position being located within the cavity to divide the cavity into a first area and a second area, and at least a portion of the partition wall located at the second position being located outside the cavity; a drive means connectable to the partition for driving the partition to move from the first position to the second position; and the lower flue comprises a first flue and a second flue, the first flue is communicated with the first area, and the second flue is communicated with the second area.
According to the utility model discloses a side-blown smelting furnace has the advantage of be convenient for overhaul partition wall, partition wall maintenance weak point consuming time.
Optionally, the side-blown smelting furnace further comprises an operating chamber provided on the roof, the operating chamber independently defining an operating space or defining the operating space between the operating chamber and the roof, the at least a portion of the partition wall in the second position being located in the operating space, optionally the driving means being provided in the operating space.
Optionally, the partition wall located at the second position is entirely located in the operating space, and the partition wall is a water-cooling partition wall.
Optionally, at least a portion of the process chamber is positioned within the lower flue so as to divide the lower flue into the first flue and the second flue, optionally, the process chamber passes through the lower flue in a first horizontal direction so as to divide the lower flue into the first flue and the second flue, optionally, the first region and the second region are aligned in a second horizontal direction, the second horizontal direction being perpendicular to the first horizontal direction.
Optionally, the first region and the second region are arranged in a second horizontal direction, and the first flue and the second flue are arranged in the second horizontal direction, wherein the operation chamber includes a first side wall and a second side wall oppositely arranged in the second horizontal direction, the first side wall is configured as one side wall of the first flue, and the second side wall is configured as one side wall of the second flue.
Optionally, the side-blown smelting furnace further comprises an upper flue communicating with each of the first and second flues, optionally a lower end of the upper flue being connected to an upper end of each of the first and second flues, optionally a lower end of each of the first and second flues being provided atop the furnace.
Optionally, the upper flue comprises a vertical section, a first inclined section and a second inclined section, a lower end of the vertical section is connected with an upper end of each of the first inclined section and the second inclined section, a lower end of the first inclined section is connected with an upper end of the first flue, and a lower end of the second inclined section is connected with an upper end of the second flue.
Optionally, the top of the operation chamber is configured in a pyramid shape, the top of the operation chamber includes a first slanted top wall and a second slanted top wall oppositely arranged in a second horizontal direction, the first slanted top wall is configured as a part of the first slanted section, and the second slanted top wall is configured as a part of the second slanted section.
Optionally, the partition wall has a first end and a second end opposite in a first horizontal direction, the furnace body has a first furnace wall and a second furnace wall opposite in the first horizontal direction, the first furnace wall has a first receiving groove, the second furnace wall has a second receiving groove, wherein at least a portion of the first end of the partition wall located at the first position is located in the first receiving groove, and at least a portion of the second end of the partition wall located at the first position is located in the second receiving groove, optionally, a first sealing layer is provided between a wall surface of the first receiving groove and the at least a portion of the first end of the partition wall located at the first position, and a second sealing layer is provided between a wall surface of the second receiving groove and the at least a portion of the second end of the partition wall located at the first position, optionally, the first sealing layer is an asbestos layer, and the second sealing layer is an asbestos layer.
Optionally, the drive device comprises: the pulley bracket is arranged in the operating chamber; the pulley is arranged on the pulley bracket; a rope, the rope passing around the pulley, a first end of the rope being connected to the partition; and a drive connected to the second end of the rope for driving the partition by the rope to move between the first and second positions, optionally the drive being a hoist or hoist.
Drawings
Fig. 1 is a cross-sectional view of a side-blown smelting furnace according to an embodiment of the present invention;
fig. 2 is a plan view of a side-blown smelting furnace according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
A side-blown smelting furnace 1 according to an embodiment of the present invention is described below with reference to the accompanying drawings. As shown in fig. 1 and 2, a side-blown smelting furnace 1 according to an embodiment of the present invention includes a furnace body 10, a partition wall 20, a driving device 60, and a lower flue 30, and the furnace body 10 includes a furnace top 110 and a furnace chamber 120.
The partition wall 20 is provided to be movable up and down between a first position at which at least a portion of the partition wall 20 is positioned within the cavity 120 to divide the cavity 120 into a first area 121 and a second area 122, and a second position at which at least a portion of the partition wall 20 is positioned outside the cavity 120. The driving means 60 can be connected to the partition 20 for driving the partition 20 from the first position to the second position. The lower chimney 30 includes a first chimney 310 and a second chimney 320, the first chimney 310 communicating with the first region 121, and the second chimney 320 communicating with the second region 122.
Wherein the driving means 60 being able to be associated with the partition wall 20 means: when the partition wall 20 is moved from the first position to the second position, the drive means 60 is connected to the partition wall 20. In other words, the driving device 60 may be connected to the partition wall 20, or the driving device 60 may not be connected to the partition wall 20 when it is not necessary to move the partition wall 20 from the first position to the second position.
In the related art, since the partition wall of the side-blown smelting furnace is located in the furnace chamber, when the partition wall needs to be repaired or replaced, an operator needs to enter the furnace chamber. When overhauing, changing the partition wall from this, need make the side-blown smelting furnace stop operation earlier, then wait for the furnace chamber cooling of side-blown smelting furnace to predetermineeing the temperature. For example, it takes approximately two weeks for the furnace chamber of a side-blown smelting furnace to cool to 50 degrees celsius. Only when the furnace chamber of the side-blown smelting furnace is cooled to the preset temperature, the operator can enter the furnace chamber to overhaul and replace the partition wall, so that the personal safety of the operator is ensured.
Since the partition wall 20 of the side-blown smelting furnace 1 according to the embodiment of the present invention can move up and down between the first position and the second position, when the partition wall 20 is overhauled, the side-blown smelting furnace 1 can be stopped and the partition wall 20 can be moved from the first position to the second position, so that at least a part of the partition wall 20 is moved out of the furnace chamber 120, and thus the operator can overhaul the partition wall 20 outside the furnace chamber 120. That is, an operator does not need to enter the cavity 120 to perform maintenance on the partition wall 20, which may facilitate the operator's maintenance-related operations.
It is not necessary to maintain the partition wall 20 after the furnace chamber 120 is cooled to a predetermined temperature, and the portion of the partition wall 20 located outside the furnace chamber 120 can be rapidly cooled, so that the partition wall 20 can be maintained only by waiting for a short time (approximately two days). The partition wall 20 can be easily and quickly repaired. The technical solution of the present application is more advantageous especially in the case of a high maintenance frequency of the partition wall 20.
According to the utility model discloses side-blown smelting furnace 1 is through setting up the partition wall 20 that can reciprocate between this primary importance and this second place to can conveniently, overhaul partition wall 20 fast. Also, since the time consumed for the overhaul of the partition walls 20 can be greatly reduced, the operation time of the side-blown smelting furnace 1 can be increased so as to improve the yield of the side-blown smelting furnace 1.
Therefore, according to the utility model discloses side-blown smelting furnace 1 has the advantage such as the partition wall 20 of being convenient for overhaul, partition wall 20 overhaul weak point consuming time, output height.
As shown in fig. 1 and 2, in some embodiments of the present invention, the side-blown smelting furnace 1 includes a furnace body 10, a partition wall 20, a driving device 60, and a lower flue 30.
The furnace body 10 includes a furnace top 110, furnace walls 130 and a furnace chamber 120, and the furnace walls 130 include a first furnace wall 131 and a second furnace wall 132 which are oppositely disposed in a first horizontal direction. The first and second regions 121 and 122 of the cavity 120 are aligned in a second horizontal direction perpendicular to the first horizontal direction. The second horizontal direction is indicated by arrow a in fig. 1, and the first horizontal direction is indicated by arrow B in fig. 2.
A first spray gun hole 141 is provided in a portion of the furnace body 10 facing the first region 121, and a second spray gun hole 142 is provided in a portion of the furnace body 10 facing the second region 122. Specifically, a first spray gun hole 141 is formed at a portion of the furnace wall 130 opposite to the first region 121, and a second spray gun hole 142 is formed at a portion of the furnace wall 130 opposite to the second region 122. The furnace body 10 can also be provided with a charging port 151, a viewing port 152, a slag discharge port 153 and a metal discharge port 154. These structures are not described in detail since they may be known and are not relevant to the inventive aspects of the present application.
The partition wall 20 is provided to be movable up and down between the first position and the second position, at least a portion of the partition wall 20 located at the first position is located within the cavity 120 to divide the cavity 120 into a first area 121 and a second area 122, and at least a portion of the partition wall 20 located at the second position is located outside the cavity 120.
Alternatively, the partition wall 20 located at the second position is entirely located outside the cavity 120. Therefore, the partition wall 20 can be conveniently and quickly overhauled, and the partition wall 20 can be conveniently and quickly replaced. Therefore, according to the utility model discloses side-blown smelting furnace 1 still has the partition wall 20 of being convenient for to change, partition wall 20 changes weak point consuming time, advantage such as output height.
The partition 20 may be a water-cooled partition. Alternatively, the partition wall 20 may be a negative pressure water-cooled partition wall, whereby the service life of the partition wall 20 can be effectively prolonged, and the melt explosion phenomenon after the water pipes are broken can be prevented, so that the safety of the side-blown smelting furnace 1 can be improved. That is to say, for the negative pressure water-cooling partition wall, after the cooling water jacket is damaged, the cooling water can not overflow and leak to the high-temperature molten pool, thereby avoiding the occurrence of major safety accidents.
As shown in fig. 1 and 2, the side-blown smelting furnace 1 further includes an operating chamber 40, and the operating chamber 40 is provided on the roof 110. The operating chamber 40 defines the operating space 410 independently or the operating space 410 is defined between the operating chamber 40 and the stove top 110. At least a portion of the partition wall 20 located at the second position is located in the operating space 410. By providing the operation room 40, the operator can perform maintenance in the operation space 410 of the operation room 40, so that personal safety of the operator can be further ensured.
Alternatively, the partition wall 20 located at the second position is entirely located within the operation space 410. Not only can the partition wall 20 be more safely repaired, but also the partition wall 20 can be more safely replaced.
As shown in fig. 1 and 2, at least a portion of the process chamber 40 is located within the lower flue 30 to divide the lower flue 30 into a first flue 310 and a second flue 320. The structure of the side-blown smelting furnace 1 can thereby be made more compact.
As shown in fig. 2, optionally, the operation chamber 40 passes through the lower stack 30 in the first horizontal direction to divide the lower stack 30 into a first stack 310 and a second stack 320. That is, a portion of the operating chamber 40 is located inside the lower flue 30, and the operating chamber 40 has first and second ends opposite in the first horizontal direction, the first and second ends of the operating chamber 40 being located outside the lower flue 30. Thereby facilitating operator access to the operating space 410.
As shown in fig. 1, the first chimney 310 and the second chimney 320 are aligned in the second horizontal direction, and the operation chamber 40 includes a first sidewall 420 and a second sidewall 430 that are oppositely disposed in the second horizontal direction. Wherein the first sidewall 420 is configured as one sidewall of the first chimney 310 and the second sidewall 430 is configured as one sidewall of the second chimney 320. The structure of the side-blown smelting furnace 1 can thereby be simplified, and the construction cost of the side-blown smelting furnace 1 can be reduced.
As shown in fig. 1, the side-blown smelting furnace 1 further includes an upper flue 50, the upper flue 50 being in communication with each of the first flue 310 and the second flue 320. Whereby flue gas in the first region 121 can enter the uptake 50 through the first uptake 310 and flue gas in the second region 122 can enter the uptake 50 through the second uptake 320.
By arranging the upper flue 50 communicated with the first flue 310 and the second flue 320, the smoke in the first area 121 and the smoke in the second area 122 can be gathered into the upper flue 50, so that the smoke can be intensively and uniformly treated. Therefore, a set of flue gas treatment system can be omitted, and the construction cost and the operation cost of the side-blown smelting furnace 1 can be reduced.
Alternatively, as shown in fig. 1, the lower end of the upper flue 50 is connected to the upper end of each of the first flue 310 and the second flue 320. In other words, the lower end of the upper flue 50 is connected to the upper end of the first flue 310, and the lower end of the upper flue 50 is also connected to the upper end of each of the second flues 320. The structure of the side-blown smelting furnace 1 can thereby be made more rational.
The lower end of the first chimney 310 may be connected to the furnace wall 130 of the furnace body 10, and the lower end of the second chimney 320 may also be connected to the furnace wall 130 of the furnace body 10. Further, a lower end of each of the first chimney 310 and the second chimney 320 may be provided on the stove top 110.
As shown in fig. 1, the upper flue 50 includes a vertical section 510, a first inclined section 520, and a second inclined section 530, and a lower end portion of the vertical section 510 is connected to an upper end portion of each of the first inclined section 520 and the second inclined section 530. For example, the structure of the uptake 50 is substantially the same as that of a tee, i.e., the uptake 50 is a three-way type uptake. Wherein the lower end of the first inclined section 520 is connected with the upper end of the first flue 310, and the lower end of the second inclined section 530 is connected with the upper end of the second flue 320. Thereby the structure of the uptake 50 and the side-blown smelting furnace 1 can be made more rational.
Alternatively, as shown in fig. 1, the top portion 440 of the operating chamber 40 is configured in a pyramid shape, and the top portion 440 of the operating chamber 40 includes a first slanted top wall 441 and a second slanted top wall 442 that are oppositely disposed in the second horizontal direction. Wherein the first slanted top wall 441 is configured as a portion of the first slanted section 520 and the second slanted top wall 442 is configured as a portion of the second slanted section 530. Therefore, the structure of the side-blown smelting furnace 1 can be simplified, the construction cost of the side-blown smelting furnace 1 is reduced, and the flue gas can be guided by the first inclined top wall 441 and the second inclined top wall 442.
As shown in fig. 1, the first furnace wall 131 has a first receiving groove, the second furnace wall 132 has a second receiving groove, and the partition wall 20 has a first end 210 and a second end 220 opposite in the first horizontal direction. At least a portion of the first end portion 210 of the partition wall 20 at the first position is located in the first accommodating groove, and at least a portion of the second end portion 220 of the partition wall 20 at the first position is located in the second accommodating groove. Therefore, the independence of the first area 121 and the second area 122 can be further improved, the control of different atmospheres in the same side-blown smelting furnace 1 can be more effectively realized, and the dual-purpose of one furnace can be more favorably realized, so that the equipment investment is reduced, the energy consumption is reduced, and the production operation rate is improved.
Alternatively, a first sealant is disposed between the wall surface of the first accommodating groove and the at least one portion of the first end portion 210 of the partition wall 20 located at the first position, and a second sealant is disposed between the wall surface of the second accommodating groove and the at least one portion of the second end portion 220 of the partition wall 20 located at the first position. Therefore, the independence of the first area 121 and the second area 122 can be further improved, the control of different atmospheres in the same side-blown smelting furnace 1 can be more effectively realized, and the dual-purpose of one furnace can be more favorably realized, so that the equipment investment is reduced, the energy consumption is reduced, and the production operation rate is improved.
For example, the first sealing layer may be an asbestos layer and the second sealing layer may be an asbestos layer. The first sealant may be disposed on the wall surface of the first receiving groove, or on the at least one portion of the first end portion 210 of the partition wall 20; the second sealant may be disposed on the wall surface of the second receiving groove, or may be disposed on the at least one portion of the second end portion 220 of the partition wall 20.
As shown in fig. 1, the driving device 60 is provided in the operating space 410, and the driving device 60 includes a pulley bracket 610, a pulley, a rope, and a driver. A pulley holder 610 is provided in the operating chamber 40, and the pulley is provided on the pulley holder 610. The rope is passed around the pulley and a first end 210 of the rope is connected to the partition 20. The actuator is connected to the second end 220 of the cord to move the partition 20 between the first and second positions via the cord. Optionally, the drive is a hoist or a hoist. Thereby, the partition wall 20 can be conveniently and rapidly moved between the first position and the second position.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the present disclosure, the terms "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like 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 present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. A side-blown smelting furnace, comprising:
the furnace body comprises a furnace top and a furnace chamber;
a partition wall provided to be movable up and down between a first position and a second position, at least a portion of the partition wall located at the first position being located within the cavity to divide the cavity into a first area and a second area, and at least a portion of the partition wall located at the second position being located outside the cavity;
a drive means connectable to the partition for driving the partition to move from the first position to the second position; and
the lower flue comprises a first flue and a second flue, the first flue is communicated with the first area, and the second flue is communicated with the second area.
2. The side-blown smelting furnace according to claim 1, further comprising an operating chamber provided on the roof, the operating chamber independently defining an operating space or defining the operating space between the operating chamber and the roof, the at least a portion of the partition wall in the second position being located within the operating space.
3. The side-blown smelting furnace according to claim 2, characterized in that the partition walls at the second position are all located within the operation space, and the partition walls are water-cooled partition walls.
4. The side-blown smelting furnace according to claim 2, characterized in that the operation chamber passes through the lower flue in a first horizontal direction so as to divide the lower flue into the first flue and the second flue, the first area and the second area being aligned in a second horizontal direction, the second horizontal direction being perpendicular to the first horizontal direction.
5. The side-blown smelting furnace according to claim 2, wherein the first and second zones are arranged in a second horizontal direction, and the first and second flues are arranged in the second horizontal direction, wherein the operating chamber comprises a first side wall and a second side wall oppositely arranged in the second horizontal direction, the first side wall being configured as one side wall of the first flue, and the second side wall being configured as one side wall of the second flue.
6. The side-blown smelting furnace according to any one of claims 2 to 5, further comprising an upper flue communicating with each of the first and second flues, a lower end of the upper flue communicating with an upper end of each of the first and second flues, a lower end of each of the first and second flues being provided atop the furnace.
7. The side-blown smelting furnace of claim 6, wherein the upper flue includes a vertical section, a first inclined section, and a second inclined section, a lower end of the vertical section being connected to an upper end of each of the first and second inclined sections, a lower end of the first inclined section being connected to an upper end of the first flue, and a lower end of the second inclined section being connected to an upper end of the second flue.
8. The side-blown smelting furnace according to claim 7, wherein a top of the operating chamber is configured in a pyramid shape, the top of the operating chamber comprising a first pitched roof wall and a second pitched roof wall oppositely disposed in a second horizontal direction, wherein the first pitched roof wall is configured as a part of the first pitched section, and the second pitched roof wall is configured as a part of the second pitched section.
9. The side-blown smelting furnace according to claim 1, wherein the partition wall has first and second ends opposite in a first horizontal direction, the furnace body is provided with a first furnace wall and a second furnace wall which are oppositely arranged in the first horizontal direction, the first furnace wall is provided with a first accommodating groove, the second furnace wall is provided with a second accommodating groove, wherein at least a portion of the first end portion of the partition wall located at the first position is located in the first receiving groove, and at least a portion of the second end portion of the partition wall located at the first position is located in the second receiving groove, a first seal layer is provided between the wall surface of the first accommodation groove and the at least a portion of the first end portion of the partition wall at the first position, a second seal layer is provided between a wall surface of the second accommodation groove and the at least a portion of the second end portion of the partition wall located at the first position.
10. The side-blown smelting furnace according to claim 2, wherein the driving means is provided in the operation space, the driving means comprising:
the pulley bracket is arranged in the operating chamber;
the pulley is arranged on the pulley bracket;
a rope, the rope passing around the pulley, a first end of the rope being connected to the partition; and
a driver connected to the second end of the rope to drive the partition to move between the first and second positions through the rope, the driver being a hoist or hoist.
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| CN202020997456.0U CN212902609U (en) | 2020-06-03 | 2020-06-03 | Side-blown smelting furnace |
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| CN202020997456.0U CN212902609U (en) | 2020-06-03 | 2020-06-03 | Side-blown smelting furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021244103A1 (en) * | 2020-06-03 | 2021-12-09 | 中国恩菲工程技术有限公司 | Side-blown smelting furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021244103A1 (en) * | 2020-06-03 | 2021-12-09 | 中国恩菲工程技术有限公司 | Side-blown smelting furnace |
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