CN215615053U - Long mouth of a river sealing device of conticaster bale - Google Patents
Long mouth of a river sealing device of conticaster bale Download PDFInfo
- Publication number
- CN215615053U CN215615053U CN202122160579.6U CN202122160579U CN215615053U CN 215615053 U CN215615053 U CN 215615053U CN 202122160579 U CN202122160579 U CN 202122160579U CN 215615053 U CN215615053 U CN 215615053U
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- supporting seat
- ladle
- long nozzle
- nozzle
- sealing
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Abstract
The utility model discloses a ladle long nozzle sealing device of a continuous casting machine, which comprises a supporting seat and a long nozzle arranged on the supporting seat; the supporting seat includes supporting part and installation department, the supporting part of supporting seat is erect in the bowl mouth portion at long mouth of a river, the installation department of supporting seat is the annular structure, it is corresponding with mouth of a river position under the ladle, the annular chamber has been seted up on the inside wall of installation department, the symmetry is provided with two cylinders on the inside wall of annular chamber, the end of the piston rod of two cylinders is provided with the semi-ring seal spare, two semi-ring seal spare are to mouth of a river external diameter looks adaptation under back internal diameter and the ladle, supporting seat, semi-ring seal spare, long mouth of a river and lower mouth of a river surround and form the seal chamber. According to the utility model, the supporting seat is arranged below the long nozzle, the semi-annular sealing element is arranged at the upper part of the supporting seat, and equivalently, a sealing cover is added around the joint of the long nozzle and the ladle nozzle, so that the sealing environment is relatively good, high-precision sealing can be realized, and the argon sealing effect and the molten steel quality are improved.
Description
Technical Field
The utility model relates to the technical field of steelmaking equipment, in particular to a ladle long nozzle sealing device of a continuous casting machine.
Background
The long nozzle is used between a ladle and a tundish, protects molten steel from secondary oxidation, prevents molten steel from splashing, and plays an important role in improving the safety in the casting process. The secondary oxidation can seriously pollute the molten steel of the continuous casting tundish, thereby causing inclusion quality defects to the slab produced subsequently, and therefore, the direct sealing protection casting of the ladle down nozzle and the ladle long nozzle is particularly important.
At present, a sealing gasket is adopted between a ladle down nozzle and a ladle long nozzle, and argon is introduced into a bowl part of the long nozzle for sealing. But as the production continues, the sealing washer at the joint surface is damaged and the steel flow is washed and oxidized, so that the gap between the sealing contact surfaces of the ladle down nozzle and the long nozzle is increased, the external air is sucked, and the secondary oxidation of the molten steel is caused. The thermal shock resistance and the service life of the long nozzle wrist are greatly reduced due to the addition of the argon channel. Therefore, further improvement and optimization of the ladle shroud gas seal device is required.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a ladle long nozzle sealing device of a continuous casting machine.
In order to solve the problems, the technical scheme adopted by the utility model is as follows:
a continuous casting machine ladle long nozzle sealing device comprises a supporting seat and a long nozzle arranged on the supporting seat; the supporting seat comprises a supporting portion at the lower part and an installing portion at the upper part, the bowl mouth portion of the long nozzle is erected on the supporting portion of the supporting seat, the installing portion of the supporting seat is of an annular structure and corresponds to the position of the nozzle under the steel ladle, an annular cavity is formed in the inner side wall of the installing portion, two cylinders are symmetrically arranged on the inner side wall of the annular cavity, a semi-annular sealing element is arranged at the end of a piston rod of each cylinder, the semi-annular sealing element is matched with the inner diameter after the semi-annular sealing element is matched with the outer diameter of the nozzle under the steel ladle, and the supporting seat, the semi-annular sealing element, the long nozzle and the nozzle surround to form a sealed cavity.
Furthermore, an air inlet is formed in the side wall of the annular cavity of the supporting seat mounting portion, and the outer side of the air inlet is connected with an argon gas access pipe.
Furthermore, a first sealing gasket is arranged on the inner side wall of the supporting seat, which is in contact with the long nozzle.
Furthermore, a second sealing gasket is arranged on the inner side wall of the long nozzle, which is in contact with the ladle drain nozzle.
Furthermore, a third sealing gasket is arranged on the inner side wall of the semi-annular sealing element, which is in contact with the ladle drain nozzle.
Further, the supporting part and the mounting part are integrally connected.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
according to the utility model, the supporting seat is arranged below the long nozzle, the semi-annular sealing element is arranged at the upper part of the supporting seat, namely a sealing cover is added around the joint of the long nozzle and the ladle nozzle, the upper part of the sealing cover, namely the semi-annular sealing element, is abutted against the ladle nozzle and is far away from molten steel, no molten steel flow is scoured and oxidized, the sealing environment is relatively good, high-precision sealing can be realized, and the argon sealing effect and the molten steel quality are improved; according to the utility model, the argon channel is arranged on the supporting seat instead of the body of the long nozzle, so that the quality and the service life of the long nozzle are ensured.
Drawings
FIG. 1 is a schematic diagram of the present invention.
In the figure: 1. a supporting seat; 2. a long nozzle; 3. a support portion; 4. an installation part; 5. a water outlet; 6. an annular cavity;
7. a cylinder; 8. a semi-annular seal; 9. sealing the cavity; 10. an argon gas inlet pipe; 11. a first gasket; 12. a second gasket; 13. and a third gasket.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
As shown in fig. 1, the embodiment of the sealing device for the ladle long nozzle of the continuous casting machine according to the present invention comprises a support base 1 and a long nozzle 2 arranged on the support base 1; the supporting seat 1 comprises a supporting portion 3 at the lower part and an installation portion 4 at the upper part, the supporting portion 3 and the installation portion 4 are integrally connected, a bowl mouth portion of the long nozzle 2 is erected on the supporting portion 3 of the supporting seat 1, the installation portion 4 of the supporting seat 1 is of an annular structure and corresponds to a nozzle 5 of a steel ladle in position, an annular cavity 6 is formed in the inner side wall of the installation portion 4, two cylinders 7 and a semi-annular sealing element 8 are symmetrically arranged on the inner side wall of the annular cavity 6, the ends of piston rods of the cylinders 7 are provided with the semi-annular sealing element 8, the semi-annular sealing element 8 is matched with the inner diameter after the semi-annular sealing element 8 is matched with the outer diameter of the nozzle 5 of the steel ladle in a closing mode, and a sealing cavity 9 is formed by the supporting seat 1, the semi-annular sealing element 8, the long nozzle 2 and the nozzle 5 in a surrounding mode, and secondary oxidation of molten steel is reduced.
Further, the inlet port has been seted up on 6 lateral walls of the annular chamber of 1 installation department 4 of supporting seat, the outside of inlet port is connected with argon gas and inserts pipe 10, and argon gas inserts pipe 10 and is connected with the argon gas source, lets in argon gas, forms argon gas sealed, reaches gas protection.
Furthermore, a first sealing gasket 11 is arranged on the inner side wall of the supporting seat 1, which is in contact with the long nozzle 2, so that the sealing effect is improved.
Furthermore, a second sealing gasket 12 is arranged on the inner side wall of the long nozzle 2, which is in contact with the ladle drain nozzle 5, so that the sealing effect is improved, air leakage is reduced, and molten steel oxidation is avoided.
Furthermore, a third sealing gasket 13 is arranged on the inner side wall of the semi-annular sealing element 8, which is in contact with the ladle drain 5, so that the sealing effect is improved.
Furthermore, the supporting seat is connected with the mechanical arm, after the butt joint process of the large ladle long nozzle and the ladle lower nozzle is completed by the mechanical arm, the air cylinder is started, and the semi-annular sealing element is in butt joint with the ladle lower nozzle to form sealing.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The ladle long nozzle sealing device of the continuous casting machine is characterized by comprising a supporting seat (1) and a long nozzle (2) arranged on the supporting seat (1); the supporting seat (1) comprises a supporting portion (3) at the lower part and an installation portion (4) at the upper part, the bowl mouth portion of the long nozzle (2) is erected on the supporting portion (3) of the supporting seat (1), the installation portion (4) of the supporting seat (1) is of an annular structure and corresponds to the position of the ladle nozzle (5), an annular cavity (6) is formed in the inner side wall of the installation portion (4), two cylinders (7) are symmetrically arranged on the inner side wall of the annular cavity (6), a semi-annular sealing element (8) is arranged at the end of a piston rod of each cylinder (7), the semi-annular sealing element (8) is matched with the inner diameter of the closed rear inner diameter of the semi-annular sealing element and the outer diameter of the ladle nozzle (5), and the supporting seat (1), the semi-annular sealing element (8), the long nozzle (2) and the nozzle (5) are surrounded to form a sealing cavity (9).
2. The ladle long nozzle sealing device of the continuous casting machine according to claim 1, wherein an air inlet is formed in the side wall of the annular cavity (6) of the mounting part (4) of the supporting seat (1), and an argon gas inlet pipe (10) is connected to the outer side of the air inlet.
3. The ladle long nozzle sealing device of the continuous casting machine according to claim 1, characterized in that a first sealing gasket (11) is arranged on the inner side wall of the supporting seat (1) contacting with the long nozzle (2).
4. The ladle long nozzle sealing device of the continuous casting machine according to claim 1, characterized in that a second sealing gasket (12) is arranged on the inner side wall of the long nozzle (2) contacting with the ladle nozzle (5).
5. The ladle long nozzle sealing device of the continuous casting machine according to claim 1, characterized in that a third sealing gasket (13) is arranged on the inner side wall of the semi-annular sealing element (8) contacting with the ladle nozzle (5).
6. The ladle long nozzle sealing device of the continuous casting machine according to claim 1, wherein the supporting part (3) and the mounting part (4) are integrally connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122160579.6U CN215615053U (en) | 2021-09-07 | 2021-09-07 | Long mouth of a river sealing device of conticaster bale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122160579.6U CN215615053U (en) | 2021-09-07 | 2021-09-07 | Long mouth of a river sealing device of conticaster bale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215615053U true CN215615053U (en) | 2022-01-25 |
Family
ID=79911491
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122160579.6U Active CN215615053U (en) | 2021-09-07 | 2021-09-07 | Long mouth of a river sealing device of conticaster bale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215615053U (en) |
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2021
- 2021-09-07 CN CN202122160579.6U patent/CN215615053U/en active Active
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