CN112122602A - Long-life tundish current stabilizer - Google Patents
Long-life tundish current stabilizer Download PDFInfo
- Publication number
- CN112122602A CN112122602A CN202010522850.3A CN202010522850A CN112122602A CN 112122602 A CN112122602 A CN 112122602A CN 202010522850 A CN202010522850 A CN 202010522850A CN 112122602 A CN112122602 A CN 112122602A
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- Prior art keywords
- molten steel
- trapezoidal
- current stabilizer
- corundum
- steel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003381 stabilizer Substances 0.000 title claims abstract description 77
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 141
- 239000010959 steel Substances 0.000 claims abstract description 141
- 239000002893 slag Substances 0.000 claims abstract description 53
- 239000010431 corundum Substances 0.000 claims abstract description 28
- 229910052593 corundum Inorganic materials 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 20
- SNAAJJQQZSMGQD-UHFFFAOYSA-N aluminum magnesium Chemical compound [Mg].[Al] SNAAJJQQZSMGQD-UHFFFAOYSA-N 0.000 claims abstract description 9
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 239000004576 sand Substances 0.000 claims 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 abstract description 16
- 230000007797 corrosion Effects 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 abstract description 9
- 239000000395 magnesium oxide Substances 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract description 7
- 230000003628 erosive effect Effects 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000009749 continuous casting Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 239000003818 cinder Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005266 casting Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 241000826860 Trapezium Species 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000001095 magnesium carbonate Substances 0.000 description 1
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 1
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 1
- 235000014380 magnesium carbonate Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/02—Linings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
The invention discloses a long-life tundish current stabilizer which comprises a current stabilizer body, corundum impact plates, side wings, steel flowing holes, a molten steel inlet, a slag discharge port, a slag flowing port and a second molten steel inlet, wherein the current stabilizer body is divided into a trapezoidal enclosing wall and a trapezoidal bottom, the trapezoidal enclosing wall is made of magnesium aluminum materials, the trapezoidal bottom is made of magnesia materials, the corundum impact plates are arranged in two blocks, the current stabilizer body is integrally in a trapezoidal structure, and the slag discharge port and the steel flowing holes are respectively positioned on two mutually parallel surfaces of the trapezoidal enclosing wall. According to the invention, the trapezoidal enclosing wall is made of magnesium aluminum material, the trapezoidal bottom is made of magnesia material and the corundum impact plate is used, so that the steel slag resistance and molten steel corrosion resistance of the current stabilizer are enhanced, the service life of the current stabilizer is prolonged, and the service life of the current stabilizer is further prolonged by 2 times of that of the current stabilizer in the prior art.
Description
Technical Field
The invention relates to the technical field of continuous casting processing of refractory materials, in particular to a tundish current stabilizer with a long service life.
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. The tundish current stabilizer stabilizes the molten steel flowing state when the molten steel is injected into the impact area, so that impurities in the molten steel are filtered, and the molten steel is purified. After casting, the molten steel is cast in the flow stabilizer, and then overflows from the flow stabilizer to the casting area, so that the impact force generated in the casting process of the molten steel is effectively relieved.
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, steel slag is easily drawn into the molten steel, so that molten steel impurities are increased, and the quality of cast steel is influenced.
The invention provides a tundish current stabilizer with long service life.
Disclosure of Invention
The invention aims to solve the technical problem that the service life of a tundish current stabilizer is short due to the fact that steel slag of the tundish current stabilizer is mixed in molten steel to influence the quality of the molten steel, the steel slag resistance and the corrosion resistance are weak in the prior art, and provides the tundish current stabilizer with the long service life, which has excellent molten steel corrosion resistance and steel slag resistance, can effectively prolong the service life of a tundish and meets the production requirement of continuous casting steel.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a package current regulator in middle of long-life which characterized in that: including current regulator body 1, corundum strike plate 2, flank 3, steel hole 4, molten steel entry 5, row's cinder notch 6, second molten steel entry 7 and flowing slag notch 10, current regulator body 1 divide into trapezoidal enclosure 8 and trapezoidal bottom 9, corundum strike plate 2 is installed on trapezoidal bottom 9, trapezoidal enclosure 8 is magnesium aluminium material, trapezoidal bottom 9 is the magnesia material, corundum strike plate 2 has two, current regulator body 1 is overall structure, current regulator body 1 wholly is the trapezium structure, arrange cinder notch 6 and flow steel hole 4 and be located two faces that are parallel to each other of trapezoidal enclosure 8 respectively, the position height that row's cinder notch 6 belonged to is higher than the position height that flows cinder notch 10 belonged to, the position height that flows cinder notch 10 belonged to is higher than the position height that flows steel hole 4 belonged to.
Further, the molten steel inlet 5 is located on the inner side of the trapezoidal enclosing wall, the second molten steel inlet 7 is located on the trapezoidal bottom 9 and connected with the corundum impact plate 2, and the central lines of the molten steel inlet 5 and the second molten steel inlet 7 are overlapped.
Furthermore, there are two steel flowing holes 4, one slag discharge opening 6 and one slag flowing opening 10.
Further, the steel flowing hole 4 is an inclined hole.
Furthermore, the inclination directions of the two steel flowing holes 4 are inclined towards the flanks 3 at the two ends respectively.
Further, the second molten steel inlet 7 is a trapezoidal hole.
Further, the molten steel inlet 5 has a larger diameter than the second molten steel inlet 7.
Further, the diameter of the corundum strike plate 2 is 0.5-0.8 times of the diameter of the bottom 9.
Further, the thickness of the corundum strike plate 2 is 0.5-0.6 times of the thickness of the bottom 9.
Compared with the prior art, the invention has the advantages that: in the actual use process of the current stabilizer, the position of the trapezoidal enclosing wall of the current stabilizer is the position with stronger steel slag erosion, the invention is made of magnesium aluminum material with stronger steel slag and molten steel erosion resistance, the steel slag and molten steel erosion resistance of the trapezoidal enclosing wall is improved, the service life of the current stabilizer is prolonged, the steel slag and the molten steel have weaker erosion performance on the trapezoidal bottom of the current stabilizer, the trapezoidal bottom of the invention is made of magnesia material with lower price, and the production cost of the current stabilizer is reduced. The height of the slag discharge port and the position of the slag flowing port are higher than that of the position of the steel flowing hole, so that the steel slag and other impurities can be discharged, and the quality of molten steel is improved. The design of the side wings further slows down the corrosivity of the molten steel on the tundish and prolongs the service life of the tundish.
The corundum impact plate specially arranged in the current stabilizer greatly improves the steel slag corrosion resistance of the current stabilizer, prolongs the service life of the current stabilizer and is 2 times longer than the service life of the existing current stabilizer.
The design of the integral trapezoidal structure of the current stabilizer and the trapezoidal design of the second molten steel inlet slow down the flow velocity of the molten steel in the current stabilizer, reduce the erosion performance of the molten steel and the steel slag, and further prolong the service life of the current stabilizer.
In conclusion, the tundish current stabilizer provided by the invention has the advantages of long service life and strong molten steel purification capacity, and can meet the production requirements of the existing continuous casting steel.
Drawings
FIG. 1 is a sectional view of a long life tundish current stabilizer structure of the present invention;
FIG. 2 is a top view of a long-life tundish current stabilizer according to the present invention;
fig. 3 is a front view of a structure of a long-life tundish current stabilizer of the invention.
In the figure: 1. a current stabilizer body; 2. a corundum strike plate; 3. a side wing; 4. a steel flowing hole; 5. a molten steel inlet; 6. a slag discharge port; 7. a second molten steel inlet; 8. a trapezoidal enclosure; 9. a trapezoidal bottom; 10. And a slag flowing port.
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 tundish current stabilizer structure of the present invention; FIG. 2 is a top view of a long-life tundish current stabilizer according to the present invention; fig. 3 is a front view of a structure of a long-life tundish current stabilizer of the invention. Fig. 1 and fig. 3 show a long-life tundish current regulator provided in an embodiment of the present invention: the flow stabilizer comprises a flow stabilizer body 1, a corundum impact plate 2, a side wing 3, a steel flowing hole 4, a molten steel inlet 5, a slag discharge port 6, a second molten steel inlet 7 and a slag flowing port 10, wherein the flow stabilizer body 1 is divided into a trapezoidal enclosing wall 8 and a trapezoidal bottom 9, the corundum impact plate 2 is installed on the trapezoidal bottom 9, the trapezoidal enclosing wall 8 is made of magnesium aluminum material, the trapezoidal enclosing wall 8 is impacted by molten steel in the using process, the flow rate of the molten steel is high, the steel slag resistance and the molten steel corrosion resistance of the magnesium aluminum material are high, the trapezoidal enclosing wall 8 is made of magnesium aluminum material, the steel slag resistance and the molten steel corrosion resistance of the trapezoidal enclosing wall 8 are improved, the service life of the flow stabilizer is further prolonged, the trapezoidal bottom 9 is made of magnesia material, the steel slag resistance and the molten steel corrosion resistance of the magnesia material are low, the price of the magnesia material is relatively low, and the corrosion of the trapezoidal bottom 9 caused by the molten steel in the using process, the flow velocity is relatively slow, the use of expensive magnesium-aluminum materials is not needed, the use of magnesite materials is not needed, the production cost of the flow stabilizer can be saved, the number of the corundum impact plates 2 is two, the flow stabilizer body 1 is of an integral structure, the integral structure of the flow stabilizer body 1 is of a trapezoid structure, the flow velocity of molten steel in the flow stabilizer is reduced, the slag discharge port 6 and the steel flow hole 4 are respectively located on two surfaces of a trapezoid enclosing wall 8, which are parallel to each other, the position of the slag discharge port 6 is higher than the position of the steel flow port 10, the position of the steel flow port 10 is higher than the position of the steel flow hole 4, impurities and steel slag in the molten steel can float on the slag discharge port 6 in the actual production process, and the positions of the slag discharge port 10 are higher than the steel flow hole 4, so that the discharge of the steel slag is facilitated, and the quality of the molten steel is improved.
According to the long-life tundish current stabilizer provided by the embodiment of the invention, the molten steel inlet 5 is positioned on the inner side of the trapezoidal enclosing wall, the second molten steel inlet 7 is positioned at the trapezoidal bottom 9 and is connected with the corundum impact plate 2, the central lines of the molten steel inlet 5 and the second molten steel inlet 7 are superposed, molten steel firstly enters from the molten steel inlet 5 in the actual production process and then enters through the second molten steel inlet 7 and impacts the corundum impact plate 2, the molten steel impacting the corundum impact plate 2 flows out from the second molten steel inlet 7 and enters into the molten steel inlet 5, the circulation is repeated, impurities in the molten steel float on the upper surface of the molten steel inlet 5 and flow out from the slag discharge port 6, and purified molten steel flows out from the steel flowing hole 4.
In the long-life tundish current stabilizer provided by the embodiment of the invention, two steel flowing holes 4 are provided, one slag discharge port 6 is provided, and one slag flowing port is provided.
According to the long-life tundish current stabilizer provided by the embodiment of the invention, the steel flowing hole 4 is an inclined hole, so that the flow speed of molten steel flowing into a tundish from the current stabilizer is reduced, the impact of the molten steel on the tundish is reduced, and the service life of the tundish is prolonged.
In the tundish current stabilizer provided by the embodiment of the invention, the inclination directions of the two steel flowing holes 4 are respectively inclined towards the flanks 3 at the two ends.
In the tundish current stabilizer with the long service life provided by the embodiment of the invention, the second molten steel inlet 7 is a trapezoidal hole, so that the impact of molten steel on the corundum impact plate and the flow speed of the molten steel in the current stabilizer are reduced, and the service life of the current stabilizer is further prolonged.
In the tundish current stabilizer with a long service life provided by the embodiment of the invention, the diameter of the molten steel inlet 5 is larger than that of the second molten steel inlet 7.
In the long-life tundish current stabilizer provided by the embodiment of the invention, the diameter of the corundum impact plate 2 is 0.5-0.8 time of that of the bottom 9.
In the long-life tundish current stabilizer provided by the embodiment of the invention, the thickness of the corundum impact plate 2 is 0.5-0.6 time of that of the bottom 9.
The beneficial effects of the invention include: in the actual use process of the current stabilizer, the position of the trapezoidal enclosing wall of the current stabilizer is the position with stronger steel slag erosion, the invention is made of magnesium aluminum material with stronger steel slag and molten steel erosion resistance, the steel slag and molten steel erosion resistance of the trapezoidal enclosing wall is improved, the service life of the current stabilizer is prolonged, the steel slag and the molten steel have weaker erosion performance on the trapezoidal bottom of the current stabilizer, the trapezoidal bottom of the invention is made of magnesia material with lower price, and the production cost of the current stabilizer is reduced. The height of the slag discharge port and the position of the slag flowing port are higher than that of the steel flowing hole, which is beneficial to discharging steel slag and other impurities and improves the quality of molten steel. The design of the side wings further slows down the corrosivity of the molten steel on the tundish and prolongs the service life of the tundish.
The corundum impact plate specially arranged in the current stabilizer greatly improves the steel slag corrosion resistance of the current stabilizer, prolongs the service life of the current stabilizer and is 2 times longer than the service life of the existing current stabilizer.
The design of the integral trapezoidal structure of the current stabilizer and the trapezoidal design of the second molten steel inlet slow down the flow velocity of the molten steel in the current stabilizer, reduce the erosion performance of the molten steel and the steel slag, and further prolong the service life of the current stabilizer.
In conclusion, the tundish current stabilizer provided by the invention has the advantages of long service life and strong molten steel purification capacity, and can meet the production requirements of the existing continuous casting steel.
It should be understood that the above embodiments are only illustrative of the technical concepts and features of the present invention, and the present invention is intended to enable those skilled in the art to understand the contents of the present invention and implement the same, and not to limit the 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 (9)
1. The utility model provides a package current regulator in middle of long-life which characterized in that: the device comprises a current stabilizer body (1), a corundum impact plate (2), side wings (3), steel flowing holes (4), a molten steel inlet (5), a slag discharge port (6), a second molten steel inlet (7) and a slag flowing port (10), wherein the current stabilizer body (1) is divided into a trapezoidal enclosing wall (8) and two trapezoidal bottoms (9), the corundum impact plate (2) is installed on the trapezoidal bottoms (9), the trapezoidal enclosing wall (8) is made of magnesium-aluminum materials, the trapezoidal bottoms (9) are made of magnesium sand materials, the corundum impact plate (2) is provided with two corundum impact plates, the current stabilizer body (1) is of an integral structure, the whole current stabilizer body (1) is of a trapezoidal structure, the slag discharge port (6) and the steel flowing holes (4) are respectively located on two surfaces of the trapezoidal enclosing wall (8) which are parallel to each other, the position where the slag discharge port (6) is located is higher than the position where the slag flowing port (10) is located, the height of the position of the slag flowing hole (10) is higher than that of the position of the steel flowing hole (4).
2. A long life tundish current regulator as claimed in claim 1, wherein: the molten steel inlet (5) is positioned on the inner side of the trapezoidal enclosing wall, the second molten steel inlet (7) is positioned on the trapezoidal bottom (9) and connected with the corundum impact plate (2), and the central lines of the molten steel inlet (5) and the second molten steel inlet (7) are overlapped.
3. A long life tundish current regulator as claimed in claim 1, wherein: the number of the steel flowing holes (4) is two, the number of the slag discharge openings (6) is one, and the number of the slag flowing openings (10) is one.
4. A long life tundish current regulator as claimed in claim 1, wherein: the steel flowing holes (4) are inclined holes.
5. A long life tundish current regulator as claimed in claim 1, wherein: the inclination directions of the two steel flowing holes (4) incline to the direction of the side wings (3) at the two ends respectively.
6. A long life tundish current regulator as claimed in claim 1, wherein: the second molten steel inlet (7) is a trapezoidal hole.
7. A long life tundish current regulator as claimed in claim 1, wherein: the diameter of the molten steel inlet (5) is larger than that of the second molten steel inlet (7).
8. A long life tundish current regulator as claimed in claim 1, wherein: the diameter of the corundum impact plate (2) is 0.5-0.8 times of that of the bottom (9).
9. A long life tundish current regulator as claimed in claim 1, wherein: the thickness of the corundum impact plate (2) is 0.5-0.6 times of that of the bottom (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010522850.3A CN112122602A (en) | 2020-06-13 | 2020-06-13 | Long-life tundish current stabilizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010522850.3A CN112122602A (en) | 2020-06-13 | 2020-06-13 | Long-life tundish current stabilizer |
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| Publication Number | Publication Date |
|---|---|
| CN112122602A true CN112122602A (en) | 2020-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010522850.3A Pending CN112122602A (en) | 2020-06-13 | 2020-06-13 | Long-life tundish current stabilizer |
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| CN (1) | CN112122602A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114472872A (en) * | 2022-04-15 | 2022-05-13 | 北京利尔高温材料股份有限公司 | Filtering type current stabilizer, preparation method thereof and double-current rectangular tundish |
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| JPH10175046A (en) * | 1996-12-11 | 1998-06-30 | Ugine Savoie Sa | Supplying storing vessel for holding molten metal, particularly steel |
| ES1048253U (en) * | 2001-02-14 | 2001-07-01 | Refractaria S A | Impact pad for continuous casting |
| CN201140274Y (en) * | 2008-01-11 | 2008-10-29 | 河北津西钢铁股份有限公司 | Molten steel purification equipment for pouring box |
| CN205763808U (en) * | 2016-05-25 | 2016-12-07 | 山西建邦集团有限公司 | A kind of tundish current stabilizer |
| CN208772448U (en) * | 2019-01-02 | 2019-04-23 | 江苏嘉耐高温材料有限公司 | A kind of magnesium tundish flow straightener |
| CN209598184U (en) * | 2019-02-20 | 2019-11-08 | 山东麦哈勃新材料科技有限公司 | A kind of tundish integral current stabilizer |
| CN209998361U (en) * | 2019-03-20 | 2020-01-31 | 莱芜市创远耐火材料有限公司 | Tundish composite multifunctional integral current stabilizer |
| CN214443030U (en) * | 2020-06-13 | 2021-10-22 | 泰州市旺鑫耐火材料有限公司 | Long-life tundish current stabilizer |
-
2020
- 2020-06-13 CN CN202010522850.3A patent/CN112122602A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10175046A (en) * | 1996-12-11 | 1998-06-30 | Ugine Savoie Sa | Supplying storing vessel for holding molten metal, particularly steel |
| ES1048253U (en) * | 2001-02-14 | 2001-07-01 | Refractaria S A | Impact pad for continuous casting |
| CN201140274Y (en) * | 2008-01-11 | 2008-10-29 | 河北津西钢铁股份有限公司 | Molten steel purification equipment for pouring box |
| CN205763808U (en) * | 2016-05-25 | 2016-12-07 | 山西建邦集团有限公司 | A kind of tundish current stabilizer |
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| CN209998361U (en) * | 2019-03-20 | 2020-01-31 | 莱芜市创远耐火材料有限公司 | Tundish composite multifunctional integral current stabilizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114472872A (en) * | 2022-04-15 | 2022-05-13 | 北京利尔高温材料股份有限公司 | Filtering type current stabilizer, preparation method thereof and double-current rectangular tundish |
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