CN112207243A - Long-life integral tundish current stabilizer - Google Patents
Long-life integral tundish current stabilizer Download PDFInfo
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- CN112207243A CN112207243A CN202011101887.5A CN202011101887A CN112207243A CN 112207243 A CN112207243 A CN 112207243A CN 202011101887 A CN202011101887 A CN 202011101887A CN 112207243 A CN112207243 A CN 112207243A
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- molten steel
- inner cavity
- diameter
- flow stabilizer
- stabilizer body
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/106—Shielding the molten jet
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Abstract
The invention discloses a long-life integral tundish current stabilizer which comprises a current stabilizer body, a corundum impact plate, a base, a molten steel inlet, a middle molten steel impact block and a molten steel storage cavity. The invention improves the steel slag and molten steel erosion resistance of the current stabilizer by manufacturing the current stabilizer body and the middle molten steel impact block by adopting magnesium aluminum materials with stronger steel slag and molten steel erosion resistance, the corundum impact plate specially arranged in the middle molten steel impact block greatly improves the steel slag and molten steel erosion resistance of the current stabilizer, prolongs the service life of the current stabilizer, and in addition, the diameter of the molten steel inlet is the same as that of the bottom of the inner cavity, the diameter of the molten steel inlet is the same as that of the straight section of the inner cavity, and the straight section of the inner cavity and the bottom of the inner cavity are provided with 45-degree inclined planes.
Description
Technical Field
The invention relates to the technical field of continuous casting processing of refractory materials, in particular to a long-life integral tundish current stabilizer.
Background
In the process of continuous casting of steel, in order to prevent the phenomenon of splashing or breaking down the bottom of a tundish when molten steel enters the tundish and ensure the smooth casting and continuous casting capacity, a mode of additionally arranging a flow stabilizer is generally adopted in an impact area of the tundish. In the tundish current stabilizer in the prior art, the flow speed of molten steel is too high when the molten steel enters the tundish current stabilizer, and the aluminum-carbon material has weak molten steel impact resistance, steel slag resistance and erosion resistance, so that the service life of the current stabilizer is short, the service life of a tundish is short, and the production requirement cannot be met.
The invention provides a long-life integral tundish current stabilizer.
Disclosure of Invention
The invention aims to solve the technical problems that in a tundish current stabilizer in the prior art, when molten steel enters the tundish current stabilizer, the flow speed is too high, and an aluminum-carbon material has weak molten steel impact resistance, steel slag resistance and erosion resistance, so that the service life of the current stabilizer is short, the service life of a tundish is short, and the production requirement cannot be met.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a long-life integral tundish current stabilizer which characterized in that: the high-temperature-resistant steel flow stabilizer comprises a flow stabilizer body, corundum impact plates, a base, a steel water inlet, a middle steel water impact block and a steel water storage cavity, wherein the diameter of the top of the flow stabilizer body is 620-700mm, the diameter of the top of the flow stabilizer body is 1.2 times of the diameter of the bottom of the flow stabilizer body, the middle steel water impact block is positioned in the middle of the inner side of the flow stabilizer body, a gap between the flow stabilizer body and the middle steel water impact block forms the steel water storage cavity, the corundum impact plates are embedded in the middle of the middle steel water impact block, the corundum impact plates are two, the flow stabilizer body is fixed on the base, the flow stabilizer body and the base are of an integrated structure, the steel water storage cavity is sequentially divided into an inner cavity arc contraction section, an inner cavity straight section, a 45-degree inclined plane and an inner cavity bottom, and the flow stabilizer body.
Further, the corundum strike plate has a size of 500mm × 500mm × 100 mm.
Further, the diameter of the molten steel inlet is 330mm-350mm, the diameter of the arc contraction section of the inner cavity is 230mm-250mm, the diameter of the straight section of the inner cavity is 330mm-350mm, and the diameter of the bottom of the inner cavity is 230mm-250 mm.
Compared with the prior art, the invention has the advantages that: the flow stabilizer body and the middle molten steel impact block are made of magnesium aluminum materials with strong steel slag and molten steel erosion resistance, the steel slag erosion resistance and the molten steel erosion resistance of the flow stabilizer are improved, the service life of the flow stabilizer is prolonged, the corundum impact plate is specially arranged in the middle molten steel impact block, the steel slag erosion resistance and the molten steel erosion resistance of the flow stabilizer are greatly improved, the service life of the flow stabilizer is prolonged, in addition, the diameter of a molten steel inlet is the same as that of the bottom of an inner cavity, the diameter of the molten steel inlet is the same as that of a straight section of the inner cavity, the straight section of the inner cavity and the bottom of the inner cavity are provided with 45-degree inclined planes, and the structure is similar to, the flow rate of the molten steel in the flow stabilizer can be effectively reduced, the erosion performance of the molten steel and the steel slag is reduced, the service life of the flow stabilizer is further prolonged, and the service life of the flow stabilizer provided by the invention is 2-3 times that of the conventional flow stabilizer.
Drawings
FIG. 1 is a sectional view of a long life integral tundish current regulator according to the present invention;
FIG. 2 is a top view of a long life integral tundish current regulator structure of the present invention;
in the figure: 1. a current stabilizer body; 2. a corundum strike plate; 3. a base; 4. a molten steel inlet; 5, a middle molten steel impact block; 6. a molten steel storage chamber; 7. an inner cavity arc contraction section; 8. an inner cavity straight section; 9. a 45 degree bevel; 10. the bottom of the inner cavity.
Detailed Description
In view of the defects in the prior art, the technical scheme of the invention is provided through long-term research and massive practice. The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Fig. 1 is a sectional view of a long-life integral tundish current regulator structure of the present invention, fig. 2 is a top view of the long-life integral tundish current regulator structure of the present invention, and fig. 1 and 2 show a long-life integral tundish current regulator provided in an embodiment of the present invention: comprises a current stabilizer body 1, a corundum impact plate 2, a base 3, a molten steel inlet 4, a middle molten steel impact block 5 and a molten steel storage cavity 6, the diameter of the top of the current stabilizer body 1 is 620-700mm, the diameter of the top of the current stabilizer body 1 is 1.2 times of the diameter of the bottom, the middle molten steel impact block 5 is positioned in the middle of the inner side of the current stabilizer body 1, a gap between the current stabilizer body 1 and the middle molten steel impact block 5 forms a molten steel storage cavity 7, the corundum impact plate 6 is embedded and arranged in the middle of the middle molten steel impact block 5, the corundum impact plate 2 is provided with two corundum impact plates, the current stabilizer body 1 is fixed on the base 3, the current stabilizer body 1 and the base 3 are of an integrated structure, the molten steel storage cavity 7 is sequentially divided into an inner cavity arc contraction section 7, an inner cavity straight section 8, a 45-degree inclined plane 9 and an inner cavity bottom 10, and the flow stabilizer body 1 and the middle molten steel impact block 2 are made of magnesium-aluminum materials.
Preferably, the corundum strike plate 6 has a size of 500mm x 100 mm.
Preferably, the diameter of the molten steel inlet 4 is 330mm-350mm, the diameter of the inner cavity circular arc contraction section 8 is 230mm-250mm, the diameter of the inner cavity straight section 9 is 330mm-350mm, and the diameter of the inner cavity bottom 11 is 230mm-250 mm.
The beneficial effects of the invention include: the flow stabilizer body and the middle molten steel impact block are made of magnesium aluminum materials with strong steel slag and molten steel erosion resistance, the steel slag erosion resistance and the molten steel erosion resistance of the flow stabilizer are improved, the service life of the flow stabilizer is prolonged, the corundum impact plate is specially arranged in the middle molten steel impact block, the steel slag erosion resistance and the molten steel erosion resistance of the flow stabilizer are greatly improved, the service life of the flow stabilizer is prolonged, in addition, the diameter of a molten steel inlet is the same as that of the bottom of an inner cavity, the diameter of the molten steel inlet is the same as that of a straight section of the inner cavity, the straight section of the inner cavity and the bottom of the inner cavity are provided with 45-degree inclined planes, and the structure is similar to, the flow rate of the molten steel in the flow stabilizer can be effectively reduced, the erosion performance of the molten steel and the steel slag is reduced, the service life of the flow stabilizer is further prolonged, and the service life of the flow stabilizer provided by the invention is 2-3 times that of the conventional flow stabilizer.
It should be understood that the above-mentioned embodiments are only illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (3)
1. The utility model provides a long-life integral tundish current stabilizer which characterized in that: the high-temperature-resistant steel flow stabilizer comprises a flow stabilizer body, corundum impact plates, a base, a steel water inlet, a middle steel water impact block and a steel water storage cavity, wherein the diameter of the top of the flow stabilizer body is 620-700mm, the diameter of the top of the flow stabilizer body is 1.2 times of the diameter of the bottom of the flow stabilizer body, the middle steel water impact block is positioned in the middle of the inner side of the flow stabilizer body, a gap between the flow stabilizer body and the middle steel water impact block forms the steel water storage cavity, the corundum impact plates are embedded in the middle of the middle steel water impact block, the corundum impact plates are two, the flow stabilizer body is fixed on the base, the flow stabilizer body and the base are of an integrated structure, the steel water storage cavity is sequentially divided into an inner cavity arc contraction section, an inner cavity straight section, a 45-degree inclined plane and an inner cavity bottom, and the flow stabilizer body.
2. The long life integral tundish current regulator of claim 1, wherein: the corundum impact plate is 500mm multiplied by 100 mm.
3. The long life integral tundish current regulator of claim 1, wherein: the diameter of the molten steel inlet is 330-350 mm, the diameter of the arc contraction section of the inner cavity is 230-250 mm, the diameter of the straight section of the inner cavity is 330-350 mm, and the diameter of the bottom of the inner cavity is 230-250 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011101887.5A CN112207243A (en) | 2020-10-15 | 2020-10-15 | Long-life integral tundish current stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011101887.5A CN112207243A (en) | 2020-10-15 | 2020-10-15 | Long-life integral tundish current stabilizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112207243A true CN112207243A (en) | 2021-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011101887.5A Pending CN112207243A (en) | 2020-10-15 | 2020-10-15 | Long-life integral tundish current stabilizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112207243A (en) |
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2020
- 2020-10-15 CN CN202011101887.5A patent/CN112207243A/en active Pending
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