CN217052294U - Splash guard for VOD vacuum refining steel ladle - Google Patents
Splash guard for VOD vacuum refining steel ladle Download PDFInfo
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- CN217052294U CN217052294U CN202122626386.5U CN202122626386U CN217052294U CN 217052294 U CN217052294 U CN 217052294U CN 202122626386 U CN202122626386 U CN 202122626386U CN 217052294 U CN217052294 U CN 217052294U
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Abstract
The utility model relates to a splash guard for a VOD vacuum refining ladle, belonging to the technical field of ladle splash guards; the supporting piece comprises three supporting rings which are coaxially arranged from top to bottom in sequence and have the same inner and outer diameters, the upper supporting ring is connected with the middle supporting ring through an upper connecting piece which is thick at the upper part and thin at the lower part, the middle supporting ring is connected with the lower supporting ring through a cylindrical middle connecting piece, the lower end of the lower supporting ring is provided with a lower connecting piece which is of a cylindrical structure, and the inner side surface of the supporting piece is provided with a plurality of groups of anchoring hooks which are arranged along the circumference; the refractory castable is arranged on the inner side of the supporting piece, the upper end of the refractory castable is a circular arch-shaped top, the lower end of the refractory castable is of an annular cylindrical structure, an opening is formed in the center of the upper end of the circular arch-shaped top, and an inner hole of the annular cylindrical structure is of a horn-shaped structure with a thick lower part and a thin upper part; three lifting lugs are uniformly distributed on the upper end surface of the upper supporting circular ring along the circumferential direction; the problem of current water-cooling type steel ladle splash guard easily the running water, cause the incident is solved.
Description
Technical Field
The utility model belongs to the technical field of the ladle splash guard, concretely relates to a splash guard for VOD vacuum refining ladle.
Background
In the steel-making industry, vacuum refining plays a very important role in improving the quality of steel. In the vacuum refining process, it is necessary to place a ladle containing molten steel in a closed vessel and evacuate the interior of the vessel to a vacuum state. In the vacuum feeding process, the molten steel is boiled due to the pressure drop inside the vessel, and a part of the molten steel is splashed out of the ladle, causing damage to metallurgical equipment. Therefore, a splash guard is needed to be covered on the top of the steel ladle to prevent molten steel from splashing out, but the existing splash guard adopts a water-cooling type, and splashing is prevented through a water-cooling structure, but the water-cooling structure is easy to leak water, so that potential safety hazards are caused to production.
SUMMERY OF THE UTILITY MODEL
The utility model overcomes the defects of the prior art and provides a splash guard for a VOD vacuum refining ladle; the problem of current water-cooling type steel ladle splash guard easily the running water, cause the incident is solved.
In order to achieve the purpose, the utility model is realized by the following technical scheme.
The splash guard comprises a support piece, refractory castable and lifting lugs, wherein the support piece comprises an upper support ring, a middle support ring and a lower support ring which are coaxially arranged from top to bottom in sequence, the three support rings are of annular plate-shaped structures, the inner diameter and the outer diameter of each support ring are equal, the upper support ring and the middle support ring are connected through a horn-shaped upper connecting piece with a thick upper part and a thin lower part, the middle support ring and the lower support ring are connected through a cylindrical middle connecting piece, the lower end of the lower support ring is provided with a lower connecting piece of a cylindrical structure, and the inner side surface of the support piece is provided with a plurality of groups of anchoring hooks arranged along the circumference;
the refractory castable is arranged on the inner side of the support piece, the upper end of the refractory castable is a circular arch-shaped top, the lower end of the refractory castable is of an annular cylindrical structure, an opening is formed in the center of the upper end of the circular arch-shaped top, an inner hole of the annular cylindrical structure is of a horn-shaped structure with a thick lower part and a thin upper part, and the inner diameter of the opening at the lower end is smaller than that of the support ring;
the upper end face of the upper supporting circular ring is uniformly provided with three lifting lugs along the circumferential direction.
Further, the distance between the upper support ring and the middle support ring is larger than the distance between the middle support ring and the lower support ring.
Furthermore, the upper opening and the lower opening of the upper connecting piece are both circular structures; the upper connecting piece is coaxially arranged with the upper supporting ring and the middle supporting ring, an upper opening of the upper connecting piece is fixedly connected to the lower end face of the upper supporting ring, and the diameter of the upper opening is positioned between the outer diameter and the inner diameter of the upper supporting ring; the lower opening of the upper connecting piece is fixedly connected to the upper end face of the middle supporting ring, and the diameter of the lower opening is equal to the inner diameter of the middle supporting ring, namely the lower opening of the upper connecting piece is connected with the inner circle of the middle supporting ring.
Furthermore, the middle connecting piece, the middle supporting ring and the lower supporting ring are coaxially arranged; the diameter of the upper opening and the lower opening of the middle connecting piece is positioned between the outer diameter and the inner diameter of the lower supporting circular ring, and the upper end and the lower end of the middle connecting piece are fixedly connected with the lower end face of the middle supporting circular ring and the upper end face of the lower supporting circular ring respectively.
Furthermore, the lower connecting piece is of a cylindrical structure with the same thickness from top to bottom and is coaxially arranged with the lower supporting ring; the outer diameter of the lower connecting piece is equal to that of the lower supporting circular ring, namely the upper end of the lower connecting piece is fixedly connected with the outer edge of the lower end face of the lower supporting circular ring.
Further, multiunit anchor hook sets up on the medial surface of last connecting piece and lower connecting piece along the axis direction interval of last connecting piece, the anchor hook is the V-arrangement structure, and the medial surface looks fixed connection of point portion and last connecting piece and lower connecting piece, the inboard setting of two tip orientation top connecting piece and lower connecting piece.
Furthermore, the top of the circular arch is of a local spherical structure and has a certain thickness, the edge of the lower end of the circular arch is connected with the inner side surface of the upper connecting piece, the lower end surface of the upper supporting ring and the inner circle of the upper supporting ring respectively, and the opening is of a horn-shaped structure with a thick lower part and a thin upper part.
Furthermore, the annular cylindrical structure is respectively filled in the inner side of the upper connecting piece, the inner side of the middle connecting piece between the middle supporting ring and the lower supporting ring and the inner side of the lower connecting piece, and the lower end face of the annular cylindrical structure is flush with the lower end face of the lower connecting piece.
Furthermore, the lifting lug comprises two lifting lug pieces, and the two lifting lug pieces are identical in structure and are symmetrically arranged; the lug plates are of plate-shaped structures, the upper sections of the lug plates are semicircular plates, the lower sections of the lug plates are square plates, the lengths of the joints of the upper sections and the lower sections are equal, and the lower ends of the lug plates are fixedly connected with the upper end surfaces of the upper supporting circular rings; the lifting lug is provided with a lifting hole, the upper end of the lifting hole is of a circular arc structure with a downward opening, the lower end of the lifting hole is of a square structure, the circular arc structure is communicated with the square structure, and the length of the square structure is greater than that of the lower opening of the circular arc structure; two lug pieces correspond and set up side by side, are separated by a determining deviation, and the upper end is connected through two connecting rods.
The utility model discloses produced beneficial effect does for prior art:
the utility model provides a splash guard adopts the pouring type structure, pours the refractory castable material into steel support piece, insulates against heat through the refractory castable material, does not need the water-cooling structure to insulate against heat, has solved the problem of water-cooling structure running out of water; the steel support has enough strength and can provide firm support for the refractory castable; a plurality of groups of anchoring hooks are arranged in the supporting piece, and the supporting piece and the refractory castable can be firmly connected with each other through the fixation of the anchoring hooks, so that the refractory castable is prevented from being separated from the supporting piece; the splash guard with the refractory castable structure is more energy-saving, and the service life is greatly prolonged.
Drawings
The invention will be described in further detail with reference to the accompanying drawings:
fig. 1 is a plan view of the entire invention;
FIG. 2 is a sectional view A-A of FIG. 1;
FIG. 3 is an enlarged partial schematic view of FIG. 2;
wherein, 1 is an upper supporting ring, 2 is a middle supporting ring, 3 is a lower supporting ring, 4 is an upper connecting piece, 5 is a middle connecting piece, 6 is an anchoring hook, 7 is a circular arch top, 8 is an annular cylindrical structure, 9 is a lifting lug, and 10 is a lower connecting piece.
Detailed Description
In order to make the technical problem, technical scheme and beneficial effect that the utility model will solve more clearly understand, combine embodiment and attached drawing, it is right to go on further detailed description the utility model discloses. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. The technical solution of the present invention is described in detail below with reference to the embodiments and the drawings, but the scope of protection is not limited thereto.
As shown in figures 1-3, the utility model provides a splash guard for VOD vacuum refining ladle, including support piece, refractory castable, lug.
The support piece is made by the steel material, includes from last to last support ring 1, well support ring 2, the under bracing ring 3 of coaxial setting in proper order down, go up support ring 1, well support ring 2, under bracing ring 3 and be the annular platelike structure of level setting, the external diameter and the internal diameter of three support ring keep equal. The distance between the upper supporting ring 1 and the middle supporting ring 2 is greater than the distance between the middle supporting ring 2 and the lower supporting ring 3.
An upper connecting piece 4 is arranged between the upper supporting ring 1 and the middle supporting ring 2, the upper connecting piece 4 is of a horn-shaped structure with a thick upper part and a thin lower part, and upper and lower openings of the upper connecting piece 4 are of a circular structure. The upper connecting piece 4 is coaxially arranged with the upper supporting ring 1 and the middle supporting ring 2, the upper opening of the upper connecting piece 4 is fixedly connected to the lower end face of the upper supporting ring 1, and the diameter of the upper opening is positioned between the outer diameter and the inner diameter of the upper supporting ring 1; the lower opening of the upper connecting piece 4 is fixedly connected to the upper end face of the middle supporting ring 2, and the diameter of the lower opening is equal to the inner diameter of the middle supporting ring 2, namely the lower opening of the upper connecting piece 4 is connected with the inner circle of the middle supporting ring 2.
Therefore, a middle connecting piece 5 is arranged between the middle supporting ring 2 and the lower supporting ring 3, and the middle connecting piece 5 is of a cylindrical structure with equal thickness from top to bottom and is coaxially arranged with the middle supporting ring 2 and the lower supporting ring 3. The diameter of the upper and lower openings of the middle connecting piece 5 is positioned between the outer diameter and the inner diameter of the lower supporting ring 3, and the middle connecting piece 5 is closer to the outer circle of the lower supporting ring 3. The upper end and the lower end of the middle connecting piece 5 are respectively fixedly connected with the lower end surface of the middle supporting ring 2 and the upper end surface of the lower supporting ring 3.
The lower end face outer side edge of the lower supporting ring is provided with a lower connecting piece 10, and the lower connecting piece 10 is of a cylindrical structure with the same thickness from top to bottom and is arranged coaxially with the lower supporting ring. The outer diameter of the lower connecting piece 10 is equal to that of the lower supporting ring, that is, the upper end of the lower connecting piece 10 is fixedly connected with the outer edge of the lower end surface of the lower supporting ring.
The medial surface of support piece is provided with the anchor hook 6 that a plurality of groups set up along the border, and multiunit anchor hook 6 sets up on the medial surface of last connecting piece 4 and the medial surface of connecting piece 10 down along the axis direction interval of last connecting piece 4, anchor hook 6 is the V-arrangement structure, and point portion and last connecting piece 4 and the medial surface looks fixed connection of connecting piece 10 down, two tip orientations make up the inboard setting of connecting piece 4 and connecting piece 10 down.
The refractory castable is arranged on the inner side of the support piece and comprises a circular arch top 7 at the upper end and an annular cylindrical structure 8 at the lower end, and the lower end of the circular arch top 7 is fixedly connected with the upper end of the annular cylindrical structure 8. The circular arch top 7 is of a local spherical structure and has a certain thickness, the edge of the lower end is respectively connected with the inner side surface of the upper connecting piece 4, the lower end surface of the upper supporting ring 1 and the inner circle, the center of the circular arch top 7 is provided with an opening, and the opening is of a horn-shaped structure with a thick lower part and a thin upper part; the annular tubular structure 8 is filled in the inner side of the upper connecting piece 4, the inner side of the middle connecting piece 5 between the middle supporting ring 2 and the lower supporting ring 3 and the inner side of the lower connecting piece 10 respectively, the lower end face of the annular tubular structure 8 is flush with the lower end face of the lower connecting piece 10, the inner hole of the annular tubular structure 8 is of a horn-shaped structure with the lower part being thick and the upper part being thin, and the inner diameter of the opening at the lower end of the annular tubular structure 8 is smaller than that of the lower supporting ring 3.
The refractory castable is poured on the inner side of the support piece, and the reliable connection between the refractory castable and the support piece is ensured through the fastening force of the anchoring hooks 6, so that the refractory castable and the support piece are not easy to separate from each other.
Three lifting lugs 9 are uniformly distributed on the upper end face of the upper supporting ring 1 along the circumferential direction, each lifting lug 9 comprises two lifting lug pieces, and the two lifting lug pieces are identical in structure and are symmetrically arranged. The lug plates are of plate-shaped structures, the upper sections of the lug plates are semicircular plates, the lower sections of the lug plates are square plates, the lengths of the joints of the upper sections and the lower sections are equal, and the lower ends of the lug plates are fixedly connected with the upper end surfaces of the upper supporting circular rings. The lifting lug piece is provided with a lifting hole, the upper end of the lifting hole is of a circular arc structure with a downward opening, the lower end of the lifting hole is of a square structure, the circular arc structure is communicated with the square structure, and the length of the square structure is larger than the length of a lower opening of the circular arc structure. Two lug pieces correspond and set up side by side, are separated by a determining deviation, and the upper end is connected through two connecting rods.
The lifting lug 9 is internally provided with a lifting rod, the lower end of the lifting rod is provided with a vertical transverse hanging rod, the lower end of the lifting rod extends into the space between the two lifting lug pieces, the transverse hanging rod is arranged in the hanging holes of the two lifting lug pieces, and the integral installation and the separation of the splash guard and the steel ladle are realized through the upper part and the lower part of the lifting rod.
The utility model discloses a theory of operation does:
when vacuum refining is needed, the ladle is firstly hung into a vacuum tank, and then the splash guard is hung on the ladle by utilizing the hanger rod. When vacuum refining, the molten steel boils in the ladle inside, has partly molten steel to spatter outward, utilizes at this moment the utility model provides a splash guard can prevent that the molten steel from spattering the outside, keeps off the molten steel that spatters outward back to the ladle in again, prevents that it from spattering outward and causing the damage to metallurgical equipment.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (9)
1. A splash guard for a VOD vacuum refining ladle, which is characterized in that: the support comprises a support piece, a refractory castable and a lifting lug, wherein the support piece comprises an upper support ring (1), a middle support ring (2) and a lower support ring (3) which are coaxially arranged in sequence from top to bottom, the three support rings are of annular plate-shaped structures, the inner diameter and the outer diameter of each support ring are kept equal, the upper support ring (1) and the middle support ring (2) are connected through a horn-shaped upper connecting piece (4) which is thick at the top and thin at the bottom, the middle support ring (2) and the lower support ring (3) are connected through a cylindrical middle connecting piece (5), the lower end of the lower support ring is provided with a lower connecting piece (10) which is of a cylindrical structure, and the inner side surface of the support piece is provided with a plurality of groups of anchoring hooks (6) which are arranged along the periphery;
the refractory castable is arranged on the inner side of the support piece, the upper end of the refractory castable is a circular arch top (7), the lower end of the refractory castable is an annular cylindrical structure (8), an opening is formed in the center of the upper end of the circular arch top (7), an inner hole of the annular cylindrical structure (8) is of a horn-shaped structure with the lower part being thick and the upper part being thin, and the inner diameter of the opening at the lower end is smaller than that of the support ring;
three lifting lugs (9) are uniformly distributed on the upper end surface of the upper supporting ring (1) along the circumferential direction.
2. The splash shield for a VOD vacuum refined ladle according to claim 1, wherein: the distance between the upper supporting circular ring (1) and the middle supporting circular ring (2) is larger than the distance between the middle supporting circular ring (2) and the lower supporting circular ring (3).
3. The splash shield for a VOD vacuum refined ladle according to claim 1, wherein: the upper opening and the lower opening of the upper connecting piece (4) are both circular structures; the upper connecting piece (4) is coaxially arranged with the upper supporting circular ring (1) and the middle supporting circular ring (2), an upper opening of the upper connecting piece (4) is fixedly connected to the lower end face of the upper supporting circular ring (1), and the diameter of the upper opening is positioned between the outer diameter and the inner diameter of the upper supporting circular ring (1); the lower opening of the upper connecting piece (4) is fixedly connected to the upper end face of the middle supporting ring (2), the diameter of the lower opening is equal to the inner diameter of the middle supporting ring (2), and the lower opening of the upper connecting piece (4) is connected with the inner circle of the middle supporting ring (2).
4. The splash shield for a VOD vacuum refined ladle according to claim 1, wherein: the middle connecting piece (5) is coaxially arranged with the middle supporting circular ring (2) and the lower supporting circular ring (3); the diameter of an upper opening and a lower opening of the middle connecting piece (5) is positioned between the outer diameter and the inner diameter of the lower supporting ring (3), and the upper end and the lower end of the middle connecting piece (5) are fixedly connected with the lower end face of the middle supporting ring (2) and the upper end face of the lower supporting ring (3) respectively.
5. The splash shield for a VOD vacuum refined ladle according to claim 1, wherein: the lower connecting piece (10) is of a cylindrical structure with equal thickness from top to bottom and is coaxially arranged with the lower supporting ring; the outer diameter of the lower connecting piece (10) is equal to that of the lower supporting ring, namely the upper end of the lower connecting piece (10) is fixedly connected with the outer edge of the lower end face of the lower supporting ring.
6. The splash shield for a VOD vacuum refined ladle according to claim 1, wherein: multiunit anchor hook (6) set up on the medial surface of last connecting piece (4) and lower connecting piece (10) along the axis direction interval of last connecting piece (4), anchor hook (6) are the V-arrangement structure, and the medial surface looks fixed connection of point portion and last connecting piece (4) and lower connecting piece (10), and two tip orientation are to the inboard setting of connecting piece (4) and lower connecting piece (10).
7. The splash shield for a VOD vacuum refined ladle according to claim 1, wherein: the circular arch top (7) is of a local spherical structure and is provided with a certain thickness, the edge of the lower end of the circular arch top is connected with the inner side surface of the upper connecting piece (4), the lower end surface of the upper supporting circular ring (1) and the inner circle of the upper supporting circular ring respectively, and the opening is of a horn-shaped structure with the lower part being thick and the upper part being thin.
8. The splash shield for a VOD vacuum refined ladle according to claim 1, wherein: the annular cylindrical structure (8) is filled in the inner side of the upper connecting piece (4), the inner side of the middle connecting piece (5) between the middle supporting ring (2) and the lower supporting ring (3) and the inner side of the lower connecting piece (10) respectively, and the lower end face of the annular cylindrical structure (8) is flush with the lower end face of the lower connecting piece (10).
9. The splash shield for a VOD vacuum refined ladle according to claim 1, wherein: the lifting lug (9) comprises two lifting lug pieces which are identical in structure and are symmetrically arranged; the lug plates are of plate-shaped structures, the upper sections of the lug plates are semicircular plates, the lower sections of the lug plates are square plates, the lengths of the joints of the upper sections and the lower sections are equal, and the lower ends of the lug plates are fixedly connected with the upper end surfaces of the upper supporting circular rings; the lifting lug plate is provided with a lifting hole, the upper end of the lifting hole is of a circular arc structure with a downward opening, the lower end of the lifting hole is of a square structure, the circular arc structure is communicated with the square structure, and the length of the square structure is greater than that of the lower opening of the circular arc structure; two lug pieces correspond and set up side by side, are separated by a determining deviation, and the upper end is connected through two connecting rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122626386.5U CN217052294U (en) | 2021-10-29 | 2021-10-29 | Splash guard for VOD vacuum refining steel ladle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122626386.5U CN217052294U (en) | 2021-10-29 | 2021-10-29 | Splash guard for VOD vacuum refining steel ladle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217052294U true CN217052294U (en) | 2022-07-26 |
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ID=82474543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122626386.5U Active CN217052294U (en) | 2021-10-29 | 2021-10-29 | Splash guard for VOD vacuum refining steel ladle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217052294U (en) |
-
2021
- 2021-10-29 CN CN202122626386.5U patent/CN217052294U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221010 Address after: 030000 in the yard west of the second power plant in the east of Jiangyang dormitory, Jiancaoping District, Taiyuan City, Shanxi Province Patentee after: Shanxi Xiangyu refractory Co.,Ltd. Patentee after: Shanxi Jihuachang High Temperature Materials Co.,Ltd. Address before: 030000 in the yard west of the second power plant in the east of Jiangyang dormitory, Jiancaoping District, Taiyuan City, Shanxi Province Patentee before: Shanxi Xiangyu refractory Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221130 Address after: No. 1, Tuerliang, Xiangyang Town, Jiancaoping District, Taiyuan City, Shanxi Province, 030000 Patentee after: Shanxi Jihuachang High Temperature Materials Co.,Ltd. Address before: 030000 in the yard west of the second power plant in the east of Jiangyang dormitory, Jiancaoping District, Taiyuan City, Shanxi Province Patentee before: Shanxi Xiangyu refractory Co.,Ltd. Patentee before: Shanxi Jihuachang High Temperature Materials Co.,Ltd. |