CN220837907U - Current stabilizer for continuous casting tundish and tundish - Google Patents
Current stabilizer for continuous casting tundish and tundish Download PDFInfo
- Publication number
- CN220837907U CN220837907U CN202322443274.5U CN202322443274U CN220837907U CN 220837907 U CN220837907 U CN 220837907U CN 202322443274 U CN202322443274 U CN 202322443274U CN 220837907 U CN220837907 U CN 220837907U
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- tundish
- current stabilizer
- continuous casting
- stabilizer body
- hollow inner
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- 239000003381 stabilizer Substances 0.000 title claims abstract description 73
- 238000009749 continuous casting Methods 0.000 title claims abstract description 25
- 239000002893 slag Substances 0.000 claims abstract description 32
- 239000000945 filler Substances 0.000 claims description 3
- 241000826860 Trapezium Species 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 49
- 239000010959 steel Substances 0.000 abstract description 49
- 230000007547 defect Effects 0.000 abstract description 8
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 230000000087 stabilizing effect Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 229910052593 corundum Inorganic materials 0.000 description 2
- 239000010431 corundum Substances 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 238000009991 scouring Methods 0.000 description 2
- RQMIWLMVTCKXAQ-UHFFFAOYSA-N [AlH3].[C] Chemical compound [AlH3].[C] RQMIWLMVTCKXAQ-UHFFFAOYSA-N 0.000 description 1
- RWDBMHZWXLUGIB-UHFFFAOYSA-N [C].[Mg] Chemical compound [C].[Mg] RWDBMHZWXLUGIB-UHFFFAOYSA-N 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The utility model discloses a current stabilizer for a continuous casting tundish and a tundish, comprising a current stabilizer body, wherein the current stabilizer body is arranged in the tundish, the current stabilizer body is attached to one side of the top of the tundish, which is provided with an overflow groove, a hollow inner cavity with an open top is arranged in the current stabilizer body, the hollow inner cavity is in a trapezoid structure, the cross section of the hollow inner cavity is gradually reduced from top to bottom, one side of the current stabilizer body is provided with a plurality of inclined through holes, the top of the other side of the current stabilizer body is provided with a slag discharge groove, and the slag discharge groove is communicated with the overflow groove. The continuous casting tundish current stabilizer has the functions of high-efficiency slag blocking and stabilizing a molten steel flow field, can improve the quality and purity of molten steel, reduce the occurrence of quality defects, improve the production efficiency and the product quality, and has wide application prospect and economic benefit.
Description
Technical Field
The utility model relates to the field of tundish current stabilizers, in particular to a continuous casting tundish current stabilizer and a tundish.
Background
The flow stabilizer for the continuous casting tundish is a functional refractory material which is arranged at the bottom of a tundish impact area and used for stabilizing the flow of molten steel in a tundish nozzle area, preventing steel slag from being involved in the molten steel to cause the internal quality defect of a continuous casting billet, promoting the floating of inclusions and reducing the splashing of the molten steel.
As shown in fig. 4, the conventional current stabilizer for the continuous casting tundish often has only a function of stabilizing a flow field of molten steel, and cannot effectively block a large amount of steel slag generated when the steel ladle is slagged, so that the quality of the molten steel is reduced, quality defects are generated, the slag blocking wall is required to be additionally and independently installed to have a slag blocking function, and the conventional current stabilizer has no protection effect on a working layer of the tundish, so that the service life of the working layer is reduced.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model aims to provide a current stabilizer for a continuous casting tundish and the tundish.
The utility model adopts the following technical scheme to realize the aim:
The utility model provides a continuous casting is current stabilizer for tundish, includes the current stabilizer body, the current stabilizer body is installed in the tundish, one side laminating of overflow launder has been seted up at current stabilizer body and tundish top, this internal open-top hollow inner chamber that is equipped with of current stabilizer, hollow inner chamber is trapezium structure, and hollow inner chamber's cross section reduces from top to bottom gradually, one side of current stabilizer body is equipped with the through-hole of a plurality of slope, the slag runner has been seted up at current stabilizer body's opposite side top, slag runner and overflow launder intercommunication.
Further, the height of the flow stabilizer body is the same as the height of the inner cavity of the tundish.
Further, the through hole is communicated with the lower part of the hollow inner cavity, and one end of the through hole far away from the hollow inner cavity is higher than one end of the through hole close to the hollow inner cavity.
Further, the number of the through holes is at least 1.
Further, the aperture of the through hole is 100mm-120mm.
Further, the included angle between the center line of the through hole and the horizontal line is 15 degrees to 30 degrees.
Further, the distance between the center of the through hole near one end of the hollow inner cavity and the bottom of the hollow inner cavity is 90mm-110mm.
A permanent layer is arranged on the inner wall of the tundish, a working layer is arranged on one side of the permanent layer, far away from the inner wall of the tundish, and an overflow groove is formed in one side of the top of the tundish.
Further, an anti-impact groove is formed in the permanent layer, an impact plate is arranged in the anti-impact groove, and the working layer and the current stabilizer body are located above the impact plate.
Further, an impact plate filler is filled between the impact plate and the permanent layer.
Compared with the prior art, the utility model provides the current stabilizer for the continuous casting tundish and the tundish, which have the following beneficial effects:
1. According to the utility model, through the arrangement of the through holes and the slag discharge groove, steel slag can be effectively prevented from entering molten steel, the occurrence of quality defects is reduced, the purity and quality of the molten steel are improved, the flow of the molten steel can be stabilized, vortex and splash are reduced, and the stability and the molten steel quality of a continuous casting process are improved; the continuous casting tundish current stabilizer has the functions of high-efficiency slag blocking and stabilizing a molten steel flow field, can improve the quality and purity of molten steel, reduce the occurrence of quality defects, improve the production efficiency and the product quality, and has wide application prospect and economic benefit.
2. According to the utility model, through the inclined through holes, a certain buffering effect can be achieved on molten steel, and the floating time of nonmetallic inclusions in the molten steel can be increased again, so that the purpose of purifying the molten steel is achieved; meanwhile, the phenomenon that if the through hole is horizontal, direct scouring is formed on the working layer far away from one side of the overflow groove, and the service life of the tundish is influenced can be avoided.
3. According to the utility model, through the arrangement that the height of the current stabilizer body is the same as that of the inner cavity of the tundish, steel slag flowing into the tundish from the ladle and floating upwards can be blocked in the current stabilizer body, and then enters the overflow groove of the tundish through the slag discharging groove of the current stabilizer body to be discharged out of the tundish.
4. According to the utility model, through the fitting design of the current stabilizer body and the working layer of the tundish, the contact area of molten steel and the working layer of the tundish is reduced, so that the service life of the working layer of the tundish is prolonged.
Drawings
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is a schematic left-hand view of the body of the current stabilizer of the present utility model;
FIG. 3 is a schematic top view of the current stabilizer body of the present utility model;
fig. 4 is a schematic cross-sectional structure of a conventional tundish and a current stabilizer body.
The mark in the figure is 1, a current stabilizer body; 2. a tundish; 3. a hollow interior cavity; 4. a through hole; 5. a slag discharge groove; 6. a water inlet; 7. a permanent layer; 8. a working layer; 9. anti-impact grooves; 10. an impingement plate; 11. impact plate packing; 12. an overflow trough; 13. slag blocking wall.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
It should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be 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 utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
The embodiment of the utility model provides a current stabilizer for a continuous casting tundish, which referring to fig. 1 to 3, and comprises a current stabilizer body 1, wherein the current stabilizer body 1 is arranged in a tundish 2, the current stabilizer body 1 is attached to one side of the top of the tundish 2, which is provided with an overflow groove 12, a hollow inner cavity 3 with an open top is arranged in the current stabilizer body 1, so that the flow of molten steel can be stabilized, vortex and splash can be reduced, the stability and the molten steel quality in a continuous casting process can be improved, the hollow inner cavity 3 is of a trapezoid structure, the cross section of the hollow inner cavity 3 is gradually reduced from top to bottom, a plurality of inclined through holes 4 are arranged on one side of the current stabilizer body 1, a certain buffering effect can be achieved on the molten steel, the floating time of nonmetallic inclusions in the molten steel can be increased again, the purpose of purifying the molten steel can be achieved, a slag discharging groove 5 is arranged on the top of the other side of the current stabilizer body 1, and the slag discharging groove 5 is communicated with the overflow groove 12.
Specifically, the shape of the current stabilizer body 1 is integrally designed according to the shape of the inner cavity of the tundish 1, the installation size of the current stabilizer body 1 is attached to the working layer 8 of the tundish 1 according to actual conditions, in the embodiment, the current stabilizer body 1 is of a trapezoid structure, the cross section of the current stabilizer body 1 is gradually reduced from top to bottom, one side of the current stabilizer body 1 provided with the slag discharging groove 5 is attached to the working layer 8 on two adjacent sides of the current stabilizer body, the contact area of molten steel and the working layer 8 of the tundish 2 is reduced, the service life of the working layer 8 of the tundish 2 is prolonged, and the size and shape of the slag discharging groove 5 are matched with those of the overflow groove 12 of the tundish 2 according to actual conditions; the material of the current stabilizer body 1 adopts common fire-resistant material in life, and can adopt high temperature resistant and anti-scouring magnesia-alumina or corundum material.
Referring to fig. 1, in this embodiment, the height of the ballast body 1 is the same as the height of the inner cavity of the tundish 2, so that the steel slag flowing into the tundish 2 from the ladle is blocked inside the ballast body 1, and then enters the overflow groove 12 of the tundish 2 through the slag discharge groove 5 of the ballast body 1 to be discharged out of the tundish.
Referring to fig. 1 and 2, in this embodiment, the through hole 4 is communicated with the lower portion of the hollow cavity 3, and one end of the through hole 4 far away from the hollow cavity 3 is higher than one end of the through hole 4 close to the hollow cavity 3, so that the time for floating nonmetallic inclusions in molten steel is increased, and the purpose of purifying molten steel is achieved.
Referring to fig. 1 and 2, in the present embodiment, the number of the through holes 4 is at least 1.
Preferably, the number of through holes 4 is 2-4.
Referring to fig. 1 and 2, in the present embodiment, the aperture of the through hole 4 is 100mm to 120mm.
Referring to fig. 1, in the present embodiment, the included angle between the center line of the through hole 4 and the horizontal line is 15 ° -30 °.
Preferably, the angle between the centre line of the through hole 4 and the horizontal is 20 ° -25 °.
Referring to fig. 1, in this embodiment, the distance between the center of the through hole 4 near one end of the hollow cavity 3 and the bottom of the hollow cavity 3 is 90mm-110mm.
Preferably, the distance between the center of the hole 4 near one end of the hollow cavity 3 and the bottom of the hollow cavity 3 is 100mm.
Referring to fig. 1, a tundish is provided, wherein a permanent layer 7 is provided on the inner wall of the tundish 2 to insulate the molten steel and reduce the temperature drop of the molten steel in the casting process, a working layer 8 is provided on the side of the permanent layer 7 away from the inner wall of the tundish 2, so that the tundish 2 has good slag erosion and penetration resistance and molten steel and slag flushing resistance in the use process, and an overflow groove 12 is provided on the side of the top of the tundish 2, so as to facilitate the discharge of steel slag.
Referring to fig. 1, in this embodiment, an anti-impact groove 9 is formed on the permanent layer 7, in order to place the impact plate 10, the impact plate 10 is disposed in the anti-impact groove 9, the working layer 8 and the current stabilizer body 1 are located above the impact plate 10, in the use process, the impact plate 10 is located below the working layer 8 and the current stabilizer body 1, so as to prevent the working layer 8 and the current stabilizer body 1 from being flushed through, and molten steel directly flows out of the tundish 2, thereby playing a role in safety protection, and the impact plate 10 is made of refractory materials commonly used in life, such as aluminum carbon, magnesium carbon or corundum.
Referring to fig. 1, in the present embodiment, an impact plate filler 11 is filled between the impact plate 10 and the permanent layer 7.
In summary, through the arrangement of the through holes 4 and the slag discharging grooves 5, the utility model can effectively prevent steel slag from entering molten steel, reduce the occurrence of quality defects, improve the purity and quality of the molten steel, stabilize the flow of the molten steel, reduce vortex and splash, and improve the stability and the quality of the molten steel in the continuous casting process; the continuous casting tundish current stabilizer has the functions of high-efficiency slag blocking and stabilizing a molten steel flow field, can improve the quality and purity of molten steel, reduce the occurrence of quality defects, improve the production efficiency and the product quality, and has wide application prospect and economic benefit.
According to the utility model, through the inclined through holes 4, a certain buffering effect can be achieved on molten steel, and the floating time of nonmetallic inclusions in the molten steel can be increased again, so that the purpose of purifying the molten steel is achieved; meanwhile, the phenomenon that if the through hole 4 is horizontal, direct flushing is formed on the working layer 8 on one side far away from the overflow groove 12, and the service life of the tundish 2 is influenced can be avoided.
According to the utility model, through the arrangement that the height of the current stabilizer body 1 is the same as the height of the inner cavity (namely the working layer 8) of the tundish 2, steel slag flowing into the tundish 2 from a steel ladle and floating upwards can be blocked inside the current stabilizer body 1, and then enters the overflow groove 12 of the tundish 2 through the slag discharge groove 5 of the current stabilizer body 1 to be discharged out of the tundish 2.
According to the utility model, through the fitting design of the current stabilizer body 1 and the working layer 8 of the tundish 2, the contact area of molten steel and the working layer 8 of the tundish 2 is reduced, so that the service life of the working layer 8 of the tundish 2 is prolonged.
What is not described in detail in this specification is prior art known to those skilled in the art.
The above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model. It will be apparent that the described embodiments are merely some, but not all, embodiments of the utility model. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the utility model. Although the present utility model has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present utility model or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present utility model, which also falls within the scope of the present utility model.
Claims (10)
1. The utility model provides a current stabilizer for continuous casting tundish, includes current stabilizer body (1), its characterized in that, current stabilizer body (1) is installed in middle package (2), one side laminating of overflow launder (12) has been seted up at current stabilizer body (1) and middle package (2) top, be equipped with open-top hollow inner chamber (3) in current stabilizer body (1), hollow inner chamber (3) are trapezium structure, and the cross section of hollow inner chamber (3) reduces from top to bottom gradually, one side of current stabilizer body (1) is equipped with through-hole (4) of a plurality of slope, slag runner (5) have been seted up at the opposite side top of current stabilizer body (1), slag runner (5) and overflow launder (12) intercommunication.
2. The continuous casting tundish current stabilizer according to claim 1, characterized in that the height of the current stabilizer body (1) is the same as the height of the inner cavity of the tundish (2).
3. The flow stabilizer for continuous casting tundish according to claim 1, characterized in that the through hole (4) is communicated with the lower part of the hollow inner cavity (3), and the end of the through hole (4) far away from the hollow inner cavity (3) is higher than the end of the through hole (4) near the hollow inner cavity (3).
4. The flow stabilizer for continuous casting tundish according to claim 1, characterized in that the number of the through holes (4) is at least 1.
5. A continuous casting tundish current stabilizer according to claim 1, characterized in that the aperture of the through hole (4) is 100-120 mm.
6. A continuous casting tundish current stabilizer according to claim 1, characterized in that the angle between the centre line of the through hole (4) and the horizontal is 15 ° -30 °.
7. The stabilizer for continuous casting tundish according to claim 1, characterized in that the distance between the center of the through hole (4) near one end of the hollow inner cavity (3) and the bottom of the hollow inner cavity (3) is 90mm-110mm.
8. A tundish, characterized in that the continuous casting tundish current stabilizer comprises any one of claims 1-7, wherein a permanent layer (7) is arranged on the inner wall of the tundish (2), a working layer (8) is arranged on one side of the permanent layer (7) away from the inner wall of the tundish (2), and an overflow groove (12) is formed on one side of the top of the tundish (2).
9. Tundish according to claim 8, wherein the permanent layer (7) is provided with an anti-impact groove (9), an impact plate (10) is arranged in the anti-impact groove (9), and the working layer (8) and the current stabilizer body (1) are arranged above the impact plate (10).
10. Tundish according to claim 9, wherein the space between the impingement plate (10) and the permanent layer (7) is filled with impingement plate filler (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322443274.5U CN220837907U (en) | 2023-09-08 | 2023-09-08 | Current stabilizer for continuous casting tundish and tundish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322443274.5U CN220837907U (en) | 2023-09-08 | 2023-09-08 | Current stabilizer for continuous casting tundish and tundish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220837907U true CN220837907U (en) | 2024-04-26 |
Family
ID=90742187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322443274.5U Active CN220837907U (en) | 2023-09-08 | 2023-09-08 | Current stabilizer for continuous casting tundish and tundish |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220837907U (en) |
-
2023
- 2023-09-08 CN CN202322443274.5U patent/CN220837907U/en active Active
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