CN210498364U - Centering device for lower nozzle of continuous casting tundish of long billet - Google Patents
Centering device for lower nozzle of continuous casting tundish of long billet Download PDFInfo
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- CN210498364U CN210498364U CN201921229908.4U CN201921229908U CN210498364U CN 210498364 U CN210498364 U CN 210498364U CN 201921229908 U CN201921229908 U CN 201921229908U CN 210498364 U CN210498364 U CN 210498364U
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- continuous casting
- tundish
- long billet
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Abstract
The utility model provides a mouth of a river centralizer under well in long billet continuous casting for the mouth of a river is easy and crystallizer copper wall is too near problem under the well in the long billet continuous casting among the solution prior art. The method comprises the following steps: the base can be supported by the crystallizer mouth skin, the base and the crystallizer mouth skin are of split structures, and the base is in contact fit with the crystallizer mouth skin; the support arm is transversely fixed on the base; the positioning piece is fixed at the free end of the support arm and used for positioning and supporting the radial direction of a water outlet of the continuous casting tundish of the long billet in the transverse direction, and the positioning piece and the water outlet of the continuous casting tundish of the long billet are matched to form a side cambered surface structure; when the centering device for the tundish discharge opening in the continuous casting of the long billet supports the discharge opening of the continuous casting tundish of the long billet, the center of gravity of the centering device for the discharge opening of the continuous casting tundish of the long billet is positioned on the base. Can effectively keep the water outlet of the continuous casting tundish of the long billet.
Description
Technical Field
The utility model relates to a continuous casting equipment field especially relates to a mouth of a river centralizer under well among long billet continuous casting.
Background
The lower nozzle of the existing crystallizer continuous casting tundish depends on the embedding of the upper arc surface of the lower nozzle and the lower arc surface of the upper nozzle in the tundish to ensure the relative position of the lower nozzle in the crystallizer. Under the influence of a molten steel flow field in the crystallizer, the fixing mode has the condition of deviation, so that a water gap is too close to a copper wall of the crystallizer, and the risks of adhesion and steel leakage are increased.
Disclosure of Invention
In view of the above prior art's shortcoming, the utility model aims to provide a mouth of a river centralizer under continuous casting of long billet for the mouth of a river is easy and crystallizer copper wall too near problem under solving among the continuous casting of long billet in the prior art.
In order to achieve the above objects and other related objects, the present invention provides a tundish lower nozzle centering device in continuous casting of long billets, including:
the base can be supported by the crystallizer mouth skin, the base and the crystallizer mouth skin are of split structures, and the base is in contact fit with the crystallizer mouth skin;
the support arm is transversely fixed on the base;
the positioning piece is fixed at the free end of the support arm and used for positioning and supporting the radial direction of a water outlet of the continuous casting tundish of the long billet in the transverse direction, and the positioning piece and the water outlet of the continuous casting tundish of the long billet are matched to form a side cambered surface structure;
when the centering device for the tundish discharge opening in the continuous casting of the long billet supports the discharge opening of the continuous casting tundish of the long billet, the center of gravity of the centering device for the discharge opening of the continuous casting tundish of the long billet is positioned on the base.
Optionally, the base includes a first base block and a second base block fixed to the first base block, the first base block is used for contacting and matching with the upper surface of the crystallizer mouth piece, and the second base block axially extends into the central through hole on the crystallizer mouth piece;
the support arm is fixed on the second base block;
when the centering device for the middle ladle outlet of the continuous long billet casting is used for supporting the middle ladle outlet of the continuous long billet casting, the center of gravity of the centering device for the middle ladle outlet of the continuous long billet casting is positioned on the first base block.
Optionally, the first base block and the second base block are vertically arranged, and the second base block can be attached to the inner wall of the central through hole.
Optionally, the central through hole is rectangular, and one surface of the second base block, which is matched with the inner wall of the central through hole, is a vertical surface structure.
Optionally, the central through hole is circular, and the surface of the second base block matched with the inner wall of the central through hole is of an arc surface structure.
Optionally, a lubricating structure is arranged at the matching position of the positioning piece and the outer wall of the lower nozzle of the continuous casting tundish of the long billet.
Optionally, the lubricating structure includes a copper block, and the copper block is embedded on the positioning member.
Optionally, the lubricating structure includes graphene, and the graphene is embedded on the positioning member.
Optionally, the lubricating structure comprises a plurality of rolling members, and the rotation axes of the rolling members are perpendicular to the axis of the tundish nozzle in the continuous casting of the long billet.
Optionally, the rolling elements comprise balls and/or rolling bearings.
As the above, the utility model discloses a mouth of a river centralizer under well in long billet continuous casting has following beneficial effect at least:
realize the support to the setting element through the base, the setting element supports the mouth of a river under the long billet continuous casting package again for its position is fixed a position in the footpath of mouth of a river under the long billet continuous casting package to the setting element, avoids it to rock too big, and base and crystallizer mouth skin are only placed on it simultaneously, do not fix with crystallizer mouth skin, and its installation is convenient with the dismantlement, and it is when the location simultaneously, and the focus of whole device is on the base, has guaranteed the reliability of its support.
Drawings
Fig. 1 shows a schematic view of the tundish nozzle centralizer in continuous casting of long billets.
Description of the element reference numerals
1 base
2 support arm
3 positioning piece
4 crystallizer lip
41 center through hole
5 continuous casting tundish lower nozzle for long material billet
11 first base block
12 second base block
6 mounting groove
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the present invention is also regarded as the scope of the present invention.
The following examples are for illustrative purposes only. The various embodiments may be combined, and are not limited to what is presented in the following single embodiment.
In the embodiment, referring to fig. 1, the utility model provides a tundish nozzle centralizer in continuous casting of long billets, which comprises a base 1, a support arm 2 and a positioning piece 3, wherein the base 1 can be supported by a crystallizer lip 4, the base 1 and the crystallizer lip 4 are in a split structure, and the base 1 and the crystallizer lip 4 are in contact fit; the support arm 2 is transversely fixed on the base 1, and the support arm 2 can be welded on the side surface of the base 1; the positioning piece 3 can be of a plate-shaped structure, the positioning piece 3 is fixed at the free end of the support arm 2, the positioning piece 3 is used for positioning and supporting the radial direction of the long billet continuous casting tundish discharge port 5 in the transverse direction, and the positioning piece 3 and the long billet continuous casting tundish discharge port 5 are matched to form a side cambered surface structure; when the continuous casting crystallizer long billet continuous casting tundish downcomer 5 centralizer is used for supporting the continuous casting tundish downcomer 5, the gravity center of the continuous casting crystallizer long billet continuous casting tundish downcomer 5 centralizer is positioned on the base 1.
Realize the support to setting element 3 through base 1, setting element 3 supports mouth of a river 5 under to the package in the continuous casting of long billet again, make setting element 3 can be in the continuous casting of long billet package its position of mouth of a river 5's radial orientation, avoid it to rock too big, base 1 and crystallizer lip 4 are only placed on it simultaneously, do not fix with crystallizer lip 4, its installation is convenient with the dismantlement, it is when the location simultaneously, the focus of whole device is on base 1, the reliability of its support has been guaranteed.
In this embodiment, referring to fig. 1, the base 1 includes a first base block 11 and a second base block 12 fixed to the first base block 11, the first base block 11 is configured to contact and cooperate with the upper surface of the crystallizer lip 4, and the second base block 12 axially extends into a central through hole 41 on the crystallizer lip 4; the support arm 2 is fixed on the second base block 12; when the continuous casting crystallizer long billet continuous casting tundish downcomer 5 centralizer is used for supporting the continuous casting tundish downcomer 5, the gravity center of the continuous casting crystallizer long billet continuous casting tundish downcomer 5 centralizer is positioned on the first base block 11. The first base block 11 and the second base block 12 may be an integrally formed structure or may be fixed structures such as welding, and through the arrangement of the first base block 11 and the second base block 12, the first base block 11 mainly plays a role of a counterweight, and the second base block 12 mainly plays a role of supporting the support arm 2.
In this embodiment, referring to fig. 1, the first base block 11 and the second base block 12 are vertically disposed, and the second base block 12 can be attached to the inner wall of the central through hole 41. Second base block 12 can be with the inner wall laminating of central through-hole 41 for its location that can be better, and it is difficult for taking place to rock, and when the installation, the upper surface matching location of first base block 11 and crystallizer flap 4, the inner wall matching location of second base block 12 and central through-hole 41 realizes quick installation, if when needs are dismantled, directly take off can, convenient to use. Specifically, optionally, the central through hole 41 may be rectangular, and a surface of the second base block 12, which is matched with the inner wall of the central through hole 41, is a vertical surface structure. Specifically, optionally, the central through hole 41 may be circular, and a surface of the second base block 12, which is matched with the inner wall of the central through hole 41, is an arc surface structure. The central through hole 41 may be matched according to the cross section of the manufactured billet, which is only an example. To further increase stability, the thickness of the first base block 11 may be greater than the thickness of the second base block 12, the weight ratio of the second base block 12 to the first base block 11 is smaller, and the first base block 11 can provide better support.
In this embodiment, a lubricating structure is arranged at the matching position of the positioning element 3 and the outer wall of the tundish lower nozzle 5 in the continuous casting of the long billet. Optionally, the lubricating structure may include a copper block, and the copper block is embedded on the positioning member 3. The copper block is soft in material and has good lubricating property. Optionally, the lubricating structure includes graphene, and the graphene is embedded on the positioning member 3. The graphene can effectively reduce the friction force between the positioning piece 3 and the outer wall of the tundish lower nozzle 5 in the continuous casting of the long billet, so that the tundish lower nozzle 5 and the positioning piece 3 are protected.
Optionally, the lubricating structure comprises a plurality of rolling elements, and the rolling elements may specifically comprise balls or rolling bearings, and the rotation axis of the rolling bearings is perpendicular to the axis of the tundish nozzle 5 in the continuous casting of the long billet. In fig. 1, a plurality of mounting grooves 6 are formed on the contact surface of the positioning member 3, the ball bearings can be movably embedded into the mounting grooves 6 when being mounted, one support shaft can penetrate through the rolling bearing when the rolling bearing is mounted, then the support shaft is mounted in the mounting grooves 6, and four mounting grooves 6 are formed in fig. 1.
To sum up, the utility model discloses a support to setting element 3 is realized to base 1, and mouth of a river 5 supports under setting element 3 again to the package in the long billet continuous casting for its position is upwards fixed a position to the footpath of mouth of a river 5 under the setting element 3 can package in the long billet continuous casting, avoids it to rock too big, and base 1 and crystallizer flap 4 are only placed on it simultaneously, do not fix with crystallizer flap 4, and its installation is convenient with the dismantlement, and it is when the location simultaneously, and the focus of whole device is on base 1, has guaranteed the reliability of its support. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. The utility model provides a mouth of a river centralizer under long billet continuous casting package which characterized in that includes:
the base can be supported by the crystallizer mouth skin, the base and the crystallizer mouth skin are of split structures, and the base is in contact fit with the crystallizer mouth skin;
the support arm is transversely fixed on the base;
the positioning piece is fixed at the free end of the support arm and used for positioning and supporting the radial direction of a water outlet of the continuous casting tundish of the long billet in the transverse direction, and the positioning piece and the water outlet of the continuous casting tundish of the long billet are matched to form a side cambered surface structure;
when the centering device for the tundish discharge opening in the continuous casting of the long billet supports the discharge opening of the continuous casting tundish of the long billet, the center of gravity of the centering device for the discharge opening of the continuous casting tundish of the long billet is positioned on the base.
2. The tundish nozzle centralizer of the long billet continuous casting tundish of claim 1, characterized in that: the base comprises a first base block and a second base block fixed with the first base block, the first base block is used for being in contact fit with the upper surface of the crystallizer mouth piece, and the second base block axially extends into a central through hole in the crystallizer mouth piece;
the support arm is fixed on the second base block;
when the centering device for the middle ladle outlet of the continuous long billet casting is used for supporting the middle ladle outlet of the continuous long billet casting, the center of gravity of the centering device for the middle ladle outlet of the continuous long billet casting is positioned on the first base block.
3. The tundish nozzle centralizer of the long billet continuous casting tundish of claim 2, characterized in that: the first base block and the second base block are vertically arranged, and the second base block can be attached to the inner wall of the central through hole.
4. The tundish nozzle centralizer of the long billet continuous casting tundish of claim 3, characterized in that: the central through hole is rectangular, and one surface of the second base block matched with the inner wall of the central through hole is of a vertical surface structure.
5. The tundish nozzle centralizer of the long billet continuous casting tundish of claim 3, characterized in that: the central through hole is circular, and the second base block and the surface matched with the inner wall of the central through hole are of an arc surface structure.
6. The tundish nozzle centralizer of the continuous casting of long billets according to any one of claims 1 to 5, characterized in that: and a lubricating structure is arranged at the matching position of the positioning piece and the outer wall of the lower nozzle of the continuous casting tundish of the long billet.
7. The tundish nozzle centralizer of the long billet continuous casting tundish of claim 6, characterized in that: the lubricating structure comprises a copper block, and the copper block is embedded on the positioning piece.
8. The tundish nozzle centralizer of the long billet continuous casting tundish of claim 6, characterized in that: the lubricating structure comprises graphene, and the graphene is embedded on the positioning piece.
9. The tundish nozzle centralizer of the long billet continuous casting tundish of claim 6, characterized in that: the lubricating structure comprises a plurality of rolling parts, and the rotating axes of the rolling parts are perpendicular to the axis of the tundish water outlet in the continuous casting of the long material billets.
10. The tundish nozzle centralizer of the long billet continuous casting tundish of claim 9, characterized in that: the rolling elements comprise balls and/or rolling bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921229908.4U CN210498364U (en) | 2019-07-30 | 2019-07-30 | Centering device for lower nozzle of continuous casting tundish of long billet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921229908.4U CN210498364U (en) | 2019-07-30 | 2019-07-30 | Centering device for lower nozzle of continuous casting tundish of long billet |
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| Publication Number | Publication Date |
|---|---|
| CN210498364U true CN210498364U (en) | 2020-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921229908.4U Active CN210498364U (en) | 2019-07-30 | 2019-07-30 | Centering device for lower nozzle of continuous casting tundish of long billet |
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| CN (1) | CN210498364U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134600A (en) * | 2021-04-26 | 2021-07-20 | 济南新峨嵋实业有限公司 | Sliding plate brick repairing method |
| CN114101652A (en) * | 2021-12-02 | 2022-03-01 | 山东钢铁集团日照有限公司 | Control method for centering precision of continuous casting submersed nozzle |
-
2019
- 2019-07-30 CN CN201921229908.4U patent/CN210498364U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113134600A (en) * | 2021-04-26 | 2021-07-20 | 济南新峨嵋实业有限公司 | Sliding plate brick repairing method |
| CN113134600B (en) * | 2021-04-26 | 2023-02-17 | 济南新峨嵋实业有限公司 | Sliding plate brick repairing method |
| CN114101652A (en) * | 2021-12-02 | 2022-03-01 | 山东钢铁集团日照有限公司 | Control method for centering precision of continuous casting submersed nozzle |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: No.2 Jiangnan Avenue, Jiangnan street, Changshou District, Chongqing Patentee after: CHONGQING IRON & STEEL Co.,Ltd. Address before: No.1 Gangcheng Avenue, Changshou Economic Development Zone, Changshou District, Chongqing Patentee before: CHONGQING IRON & STEEL Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |