CN214768891U - Ladle bottom structure and ladle bottom forming die - Google Patents
Ladle bottom structure and ladle bottom forming die Download PDFInfo
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- CN214768891U CN214768891U CN202121096493.5U CN202121096493U CN214768891U CN 214768891 U CN214768891 U CN 214768891U CN 202121096493 U CN202121096493 U CN 202121096493U CN 214768891 U CN214768891 U CN 214768891U
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- ladle bottom
- ladle
- molten steel
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Abstract
The utility model discloses a ladle package end structure, include package end body and install mouth of a river brick cup on the package end body, the shaping on the surface of package end body and molten steel contact is fluted, the molten steel entry of mouth of a river brick cup is located the recess tank bottom. The utility model provides a ladle package end forming die, includes prefabricated section, handle, gag lever post and fixed block, the prefabricated section is installed the top of gag lever post. In the utility model, the ladle bottom body which is integrally poured enables the inner bottom wall of the whole ladle to be on the same plane, the integrity of the ladle bottom body can be effectively ensured, and the grooves which are arranged on the surface of the ladle bottom body, which is in contact with the molten steel, can reduce the residual pouring of the molten steel; the ladle bottom impact block higher than the ladle bottom body slows down the impact on the ladle bottom body when molten steel flows into the whole ladle from a high position, so that the surface of the ladle bottom body is sunken, and the integrity of the ladle bottom body can be effectively guaranteed.
Description
Technical Field
The utility model relates to a steelmaking ladle technical field. In particular to a ladle bottom structure and a ladle bottom forming die.
Background
At present, most of pouring ladle bottoms at home and abroad adopt a structure that an impact block is pre-placed at an impact area part and other parts are integrally poured, the structure construction mode is simple and convenient, but the problems that other parts except the impact area are on the same plane and the problem of residual pouring in the steel pouring process exist. In recent years, it has been desired to reduce the amount of residual molten steel in steel mills in consideration of cost and energy saving.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that a can reduce the molten steel and remain and the better ladle package end structure of package end wholeness and ladle package end forming die at the bottom of the ladle is provided.
In order to solve the technical problem, the utility model provides a following technical scheme:
the ladle bottom structure comprises a ladle bottom body and a nozzle brick cup installed on the ladle bottom body, wherein a groove is formed in the surface, in contact with molten steel, of the ladle bottom body, and a molten steel inlet of the nozzle brick cup is located at the bottom of the groove. The ladle bottom body is integrally cast, so that the inner bottom wall of the whole ladle is on the same plane, the integrity of the ladle bottom body can be effectively guaranteed, and the groove formed in the surface, which is in contact with molten steel, of the ladle bottom body can reduce the residual casting residue of the molten steel.
In the ladle bottom structure, the groove is in a chamfered frustum shape, and the molten steel inlet of the nozzle brick cup is positioned in the center of the bottom wall in the groove.
Above-mentioned ladle package bottom structure, the terrace with edge is regular four terrace with edges.
In the ladle bottom structure, the lower bottom of the regular quadrangular frustum pyramid is 950mm long, the upper bottom of the regular quadrangular frustum pyramid is 835mm long, and the height of the regular quadrangular frustum pyramid is 150 mm.
According to the ladle bottom structure of the steel ladle, the ladle bottom impact block is fixedly arranged on the surface, in contact with molten steel, of the ladle bottom body, and the upper surface of the ladle bottom impact block protrudes out of the surface, in contact with the molten steel, of the ladle bottom body. The ladle bottom impact block higher than the ladle bottom body slows down the impact on the ladle bottom body when molten steel flows into the whole ladle from a high position, so that the surface of the ladle bottom body is sunken, and the integrity of the ladle bottom body can be effectively guaranteed.
The ladle bottom body comprises a permanent layer and a working layer, the working layer is located on the upper surface of the permanent layer, the lower part of the ladle bottom impact block is located in the working layer, and the lower surface of the ladle bottom impact block is attached to the upper surface of the permanent layer.
According to the ladle bottom structure of the steel ladle, the thickness of the working layer is 300mm, and the thickness of the ladle bottom impact block is 350 mm.
In the ladle bottom structure, the groove is positioned right above the nozzle brick cup.
A steel ladle bottom forming die comprises a precast block, a handle, a limiting rod and a fixed block, wherein the precast block is installed at the top end of the limiting rod, the handle is fixedly installed on the top wall of the precast block, and the fixed block is sleeved on the bottom end of the limiting rod in a threaded manner; the shape and the size of the precast block are matched with those of the groove on the ladle bottom body. When materials are poured on the upper surface of the permanent layer of the ladle, the limiting rod is installed in the nozzle pocket brick, after pouring is completed, the prefabricated block is taken out of the ladle bottom body by pulling the handle, so that the height of the periphery of the nozzle pocket brick is lower than the surface of the ladle bottom body, which is in contact with molten steel, the molten steel in the ladle flows to the nozzle pocket brick and flows out of the ladle through the nozzle pocket brick, and the problem of residual molten steel pouring in the ladle can be solved on the premise of ensuring the integrity of the ladle bottom body.
Above-mentioned ladle package end forming die, the prefabricated section is the square frustum of a pyramid of falling regular square, the length 950mm of lower bottom of square frustum of a pyramid, the length 835mm of upper bottom, the height is 150 mm.
The technical scheme of the utility model following profitable technological effect has been obtained:
1. in the utility model, the ladle bottom body which is integrally poured enables the inner bottom wall of the whole ladle to be on the same plane, the integrity of the ladle bottom body can be effectively ensured, and the grooves which are arranged on the surface of the ladle bottom body, which is in contact with the molten steel, can reduce the residual pouring of the molten steel; the ladle bottom impact block higher than the ladle bottom body slows down the impact on the ladle bottom body when molten steel flows into the whole ladle from a high position, so that the surface of the ladle bottom body is sunken, and the integrity of the ladle bottom body can be effectively guaranteed.
2. When materials are poured on the upper surface of the permanent layer of the ladle, the limiting rod is installed in the nozzle pocket brick, after pouring is completed, the prefabricated block is taken out of the ladle bottom body by pulling the handle, so that the height of the periphery of the nozzle pocket brick is lower than the surface of the ladle bottom body, which is in contact with molten steel, the molten steel in the ladle flows to the nozzle pocket brick and flows out of the ladle through the nozzle pocket brick, and the problem of residual molten steel pouring in the ladle can be solved on the premise of ensuring the integrity of the ladle bottom body.
Drawings
Fig. 1 is a schematic view of a ladle bottom structure and a ladle bottom body in a ladle bottom forming mold of the utility model;
fig. 2 is a schematic view of a ladle bottom structure and a three-dimensional structure of a mold body in a ladle bottom forming mold of the present invention;
FIG. 3 is a schematic view of a front cross-sectional structure of a ladle of the present invention;
fig. 4 is a schematic view of the front section structure of the middle nozzle pocket brick of the present invention.
The reference numbers in the figures denote: 1-a bottom wrapping body; 2-a groove; 3-wrapping a bottom impact block; 4-nozzle brick cup; 5-a mould body; 501-precast block; 502-a handle; 503-a limiting rod; 504-fixed block.
Detailed Description
As shown in fig. 1-2, a ladle bottom structure comprises a ladle bottom body 1 and a nozzle holder brick 4 installed on the ladle bottom body 1, wherein a groove 2 is formed on the surface of the ladle bottom body 1 contacting molten steel, and a molten steel inlet of the nozzle holder brick 4 is positioned at the bottom of the groove 2. The ladle bottom body 1 which is integrally cast enables the inner bottom wall of the whole ladle to be on the same plane, the integrity of the ladle bottom body 1 can be effectively guaranteed, and the groove 2 which is formed in the surface of the ladle bottom body 1, which is in contact with molten steel, can reduce the residual casting residue of the molten steel.
The groove 2 is in a shape of a chamfered frustum, and a molten steel inlet of the nozzle brick cup 4 is positioned in the center of the bottom wall in the groove 2; the groove 2 is positioned right above the nozzle pocket brick 4; the prismatic table is a regular quadrangular prismatic table; the length of the lower bottom of the regular quadrangular frustum pyramid is 950mm, the length of the upper bottom of the regular quadrangular frustum pyramid is 835mm, and the height of the regular quadrangular frustum pyramid is 150 mm.
The ladle bottom impact block 3 is fixedly arranged on the surface of the ladle bottom body 1, which is in contact with the molten steel, and the upper surface of the ladle bottom impact block 3 protrudes out of the surface of the ladle bottom body 1, which is in contact with the molten steel. The ladle bottom impact block 3 higher than the ladle bottom body 1 slows down the impact on the ladle bottom body 1 when molten steel flows into the whole ladle from a high position, so that the surface of the ladle bottom body 1 is sunken, and the integrity of the ladle bottom body 1 can be effectively guaranteed.
The ladle bottom body 1 comprises a permanent layer and a working layer, the working layer is positioned on the upper surface of the permanent layer, the lower part of the ladle bottom impact block 3 is positioned in the working layer, and the lower surface of the ladle bottom impact block 3 is attached to the upper surface of the permanent layer; the thickness of the working layer is 300mm, and the thickness of the bottom-wrapping impact block 3 is 350 mm.
A steel ladle bottom forming die comprises a precast block 501, a lifting handle 502, a limiting rod 503 and a fixing block 504, wherein the precast block 501 is installed at the top end of the limiting rod 503, the lifting handle 502 is fixedly installed on the top wall of the precast block 501, and the fixing block 504 is sleeved on the bottom end of the limiting rod 503 in a threaded manner; the shape and the size of the precast block 501 are matched with those of the groove 2 on the ladle bottom body 1; the precast block 501 is in the shape of an inverted square frustum of prism, the lower bottom of the square frustum of prism is 950mm long, the upper bottom is 835mm long, and the height is 150 mm. When materials are poured on the upper surface of the permanent layer of the ladle, the limiting rod 503 is installed in the nozzle pocket brick 4, after pouring is completed, the handle 502 is pulled, the precast block 501 is taken out of the ladle bottom body 1, the height around the nozzle pocket brick 4 is lower than the surface of the ladle bottom body 1, which is in contact with molten steel, the molten steel in the ladle flows to the nozzle pocket brick 4, and flows out of the ladle through the nozzle pocket brick 4, and the problem of residual molten steel pouring in the ladle can be solved on the premise of ensuring the integrity of the ladle bottom body 1.
In the embodiment, the groove 2 formed on the surface of the ladle bottom body 1, which is in contact with molten steel, can effectively reduce the residual molten steel, and the integrally cast ladle bottom body 1 has good integrity; the ladle bottom forming die is used for forming the groove 2 on the ladle bottom body 1, so that the integrity of the ladle bottom body 1 is guaranteed, and meanwhile, the groove 2 is also used for reducing molten steel residue; the ladle bottom impact block 3 embedded on the ladle bottom body 1 slows down the scouring of the ladle bottom body 1 when molten steel flows into the whole ladle from a high position.
The specific working principle is as follows:
when in use, firstly, the limiting rod 503 penetrates through the nozzle brick cup 4, the precast block 501 is fixed on the bottom of the ladle bottom body 1 at the outer bottom wall of the ladle by using the fixed block 504, and the ladle bottom impact block 3 is placed in the middle of the top wall of the bottom wall of the permanent layer of the ladle, and the highest height of the ladle bottom impact block 3 is ensured; adding a casting material into the ladle, wherein the casting material forms a ladle bottom body 1 on the top wall of the bottom wall of the permanent layer of the ladle;
after the casting material is solidified, the fixing block 504 is loosened to fix the precast block 501, the precast block 501 is taken down from the nozzle brick 4, and the precast block 501 forms a groove 2 with an inverted trapezoidal vertical section on the ladle bottom body 1.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are possible which remain within the scope of the appended claims.
Claims (10)
1. The ladle bottom structure comprises a ladle bottom body (1) and a nozzle brick cup (4) installed on the ladle bottom body (1), and is characterized in that a groove (2) is formed in the surface, in contact with molten steel, of the ladle bottom body (1), and a molten steel inlet of the nozzle brick cup (4) is located at the bottom of the groove (2).
2. Ladle bottom structure according to claim 1, wherein the groove (2) is in the shape of a truncated pyramid and the molten steel inlet of the nozzle brick cup (4) is located in the center of the bottom wall in the groove (2).
3. The ladle bottom structure according to claim 2, wherein the frustum of a pyramid is a regular frustum of a pyramid.
4. The ladle bottom structure as claimed in claim 3, wherein the regular quadrangular frustum pyramid has a lower bottom length of 950mm, an upper bottom length of 835mm and a height of 150 mm.
5. The ladle bottom structure according to any one of claims 1 to 4, wherein a ladle bottom impact block (3) is fixedly mounted on the surface of the ladle bottom body (1) contacting with the molten steel, and the upper surface of the ladle bottom impact block (3) protrudes out of the surface of the ladle bottom body (1) contacting with the molten steel.
6. The ladle bottom structure according to claim 5, wherein the ladle bottom body (1) comprises a permanent layer and a working layer, the working layer is located on the upper surface of the permanent layer, the lower part of the ladle bottom impact block (3) is located in the working layer, and the lower surface of the ladle bottom impact block (3) is attached to the upper surface of the permanent layer.
7. The ladle bottom structure according to claim 6, wherein the working layer has a thickness of 300mm and the ladle bottom impact block (3) has a thickness of 350 mm.
8. Ladle bottom structure according to any one of claims 1-4, wherein the groove (2) is located directly above the nozzle brick cup (4).
9. The steel ladle bottom forming die is characterized by comprising a precast block (501), a lifting handle (502), a limiting rod (503) and a fixing block (504), wherein the precast block (501) is installed at the top end of the limiting rod (503), the lifting handle (502) is fixedly installed on the top wall of the precast block (501), and the fixing block (504) is sleeved on the bottom end of the limiting rod (503) in a threaded manner; the shape and the size of the precast block (501) are matched with those of the groove (2) on the ladle bottom body (1).
10. The steel ladle bottom forming die as claimed in claim 9, wherein the precast block (501) is in the shape of an inverted square frustum pyramid, and the square frustum pyramid has a lower bottom length of 950mm, an upper bottom length of 835mm and a height of 150 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121096493.5U CN214768891U (en) | 2021-05-19 | 2021-05-19 | Ladle bottom structure and ladle bottom forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121096493.5U CN214768891U (en) | 2021-05-19 | 2021-05-19 | Ladle bottom structure and ladle bottom forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214768891U true CN214768891U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121096493.5U Active CN214768891U (en) | 2021-05-19 | 2021-05-19 | Ladle bottom structure and ladle bottom forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214768891U (en) |
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2021
- 2021-05-19 CN CN202121096493.5U patent/CN214768891U/en active Active
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