CN215033574U - Improve brick cup structure of ladle from rate of opening - Google Patents
Improve brick cup structure of ladle from rate of opening Download PDFInfo
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- CN215033574U CN215033574U CN202120732832.8U CN202120732832U CN215033574U CN 215033574 U CN215033574 U CN 215033574U CN 202120732832 U CN202120732832 U CN 202120732832U CN 215033574 U CN215033574 U CN 215033574U
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- brick
- bowl
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- ladle
- brick cup
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Abstract
The utility model provides an improve ladle from brick cup structure of rate of opening, including brick cup spare, bowl brick spare and package end pouring layer, bowl brick spare sets up in brick cup spare top, the outer wall pouring of bowl brick spare and brick cup spare has package end pouring layer, just the top of bowl brick spare flushes with the top on package end pouring layer. The utility model compensates the height difference between the ladle bottom pouring layer and the brick cup by adding the bowl brick to replace the original tire mold structure, thereby being not easy to generate steel slag to flow back into the nozzle brick cup channel and improving the self-opening rate of the steel ladle; furthermore, as the bowl brick piece is similar to the brick cup piece in material and performance, the normal use effect of the ladle bottom pouring layer is not influenced while the structure of the brick cup piece is ensured, and the economic loss and the safety risk caused by the fact that the ladle is not opened are reduced.
Description
Technical Field
The utility model belongs to the technical field of the metallurgical equipment, especially, relate to an improve brick cup structure of ladle from rate of opening.
Background
When the ladle is opened to the continuous casting platform and is watered, open slide mechanism, if the unable natural outflow of molten steel, often adopt artifical fever oxygen drainage, draw the molten steel out, production efficiency can be influenced for production to this kind of mode to there is the potential safety hazard, if fever oxygen drainage fails, the continuous casting can be not planned to be watered eventually, brings serious loss for the steelworks.
There are many factors that influence the self-opening of the ladle, such as whether the ladle is in place for hot repair, whether the quality of the drainage sand reaches the standard, whether the sand filling operation is standard, etc. At present, a plurality of steel mills adopt ladle bottom pouring processes, in order to improve the yield of molten steel, the height difference usually exists between a working layer and a brick cup, because the aggregate particles of the ladle bottom pouring material are larger, a deteriorated layer is easy to form, and residual steel slag is easy to flow back into a nozzle brick cup channel, so that the condition that a ladle cannot normally open by itself is caused.
SUMMERY OF THE UTILITY MODEL
In view of the foregoing prior art shortcoming, an object of the utility model is to provide an improve ladle from brick cup structure of rate of opening for solve among the prior art ladle bottom pouring layer and easily flow back to the problem that leads to the ladle normally can not be opened certainly in the mouth of a river brick cup passageway.
For realize above-mentioned purpose and other relevant mesh, the utility model provides an improve ladle from brick cup structure of rate of opening, including brick cup spare, bowl brick spare and package end pouring layer, bowl brick spare sets up in brick cup spare top, the outer wall pouring of bowl brick spare and brick cup spare has package end pouring layer, just the top of bowl brick spare and the top on package end pouring layer flush.
Furthermore, the bowl brick piece is of a horn structure along the axial cross section of the bowl brick piece, and the outer diameter of the bowl brick piece is gradually reduced from the top end to the bottom end.
Further, the included angle of the horn structure is 120 degrees.
Further, the distance between the projection of the top end of the bowl brick piece on the horizontal plane and the projection of the top end of the seat brick piece on the horizontal plane is 10 mm.
Furthermore, the seat brick piece is made of high-alumina bricks, the bowl brick piece is made of aluminum-carbon bricks, and the ladle bottom pouring layer is made of corundum bricks.
Furthermore, the aggregate granularity of the bowl brick piece is less than or equal to 5mm, and the aggregate granularity of the seat brick piece is 30 mm.
Further, the bowl brick piece is internally provided with a bowl brick channel, and the bowl brick channel and the outer wall of the bowl brick piece are the same in thickness.
Further, the thickness between the bowl brick channel and the outer wall of the bowl brick piece is 35 mm-45 mm.
Further, the interior of the brick cup piece is provided with a brick cup channel, and the brick cup channel is coaxial with the bowl brick channel.
Further, brick cup passageway is including the first loudspeaker section, changeover portion and the second loudspeaker section that connect gradually, and the external diameter of first loudspeaker section reduces from top to bottom gradually, and the external diameter of changeover portion reduces from top to bottom gradually, and the external diameter of second loudspeaker section increases from top to bottom gradually.
As described above, the utility model discloses following beneficial effect has:
the bowl brick is added to replace the original tire mold structure, so that the height difference between the ladle bottom pouring layer and the pocket brick is compensated, steel slag is not easy to generate and flows back to the nozzle pocket brick channel, and the self-opening rate of the ladle is improved; furthermore, as the bowl brick piece is similar to the brick cup piece in material and performance, the normal use effect of the ladle bottom pouring layer is not influenced while the structure of the brick cup piece is ensured, and the economic loss and the safety risk caused by the fact that the ladle is not opened are reduced.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Description of the reference numerals
1-brick setting; 11-brick cup channel; 111-a first horn section; 112-a transition section; 113-a second horn section;
2-bowl brick pieces; 21-bowl brick channel;
and 3, covering a bottom pouring layer.
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.
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.
Please combine with fig. 1, the utility model provides an improve brick cup structure of ladle from rate of opening, including brick cup 1, bowl brick 2 and package end pouring layer 3, bowl brick 2 sets up in brick cup 1 top, the outer wall pouring of bowl brick 2 and brick cup 1 has package end pouring layer 3, just the top of bowl brick 2 flushes with the top of package end pouring layer 3.
Specifically, when the ladle brick cup is installed, the bowl brick piece 2 of the nozzle is placed on the brick cup piece 1, the ladle bottom casting material is poured, and the ladle bottom casting layer 3 is baked for use after the casting material is hardened. The structure is not easy to generate steel slag to flow back to the brick cup channel 11 of the nozzle, and the self-opening rate of the ladle is improved.
And the material of the bowl brick piece 2 is similar to that of the seat brick piece 1. Specifically, the material of the brick cup piece 1 is high-alumina brick, the material of the bowl brick piece 2 is aluminum carbon brick, and the material of the ladle bottom pouring layer 3 is corundum brick. In particular, the high-alumina brick is one of refractory materials, and the main component of the refractory material brick is Al2O3(ii) a Al for aluminium-carbon brick2O3And C is the main componentContains Al separately2O335-85% of refractory material containing C7-35%; the corundum brick is a refractory product with alumina content higher than 90% and corundum as main crystal phase.
In this embodiment, the aggregate granularity of the bowl brick piece 2 is less than or equal to 5mm, and the aggregate granularity of the brick cup piece 1 is 30 mm. Because the aggregate granularity of the bowl brick piece 2 is smaller than that of the ladle bottom pouring layer 3, the structure of the brick cup can be ensured, the normal use effect of the ladle bottom pouring layer 3 is not influenced, and the economic loss and the safety risk caused by the fact that the ladle is not opened are reduced.
Wherein, the bowl brick piece 2 is in a horn structure along the axial cross section and the outer diameter from the top end to the bottom end is gradually reduced. The structure can improve the yield of molten steel and the flow of the drainage sand. Preferably, in this embodiment, the included angle α of the horn structure is 120 °.
And the distance S between the projection of the top end of the bowl brick piece 2 on the horizontal plane and the projection of the top end of the brick cup piece 1 on the horizontal plane is 10 mm. By means of the structure, the drainage capacity of the bowl brick piece 2 can be guaranteed, and meanwhile, the strength of the bowl brick piece 2 can meet the requirement.
The bowl brick piece 2 is internally provided with a bowl brick channel 21, and the bowl brick channel 21 and the outer wall of the bowl brick piece 2 have the same thickness. The structure ensures that the wall thickness of the bowl brick piece 2 is uniform and the flow velocity of molten steel is balanced when the molten steel passes through. In this embodiment, the thickness T between the bowl brick channel 21 and the outer wall of the bowl brick 2 is 35mm to 45 mm.
Accordingly, the interior of the brick cup 1 has a brick cup channel 11, and the brick cup channel 11 is coaxial with the bowl brick channel 21. In this embodiment, the brick cup channel 11 includes a first horn section 111, a transition section 112 and a second horn section 113 connected in sequence, the outer diameter of the first horn section 111 gradually decreases from the top end to the bottom end, the outer diameter of the transition section 112 gradually decreases from the top end to the bottom end, and the outer diameter of the second horn section 113 gradually increases from the top end to the bottom end. Preferably, the bottom end of the bowl brick channel 21 is matched with the top end of the brick cup channel 11 in diameter.
In summary, in the brick cup structure for improving the ladle self-opening rate provided by the embodiment of the utility model, the bowl brick piece is added to replace the original tire mold structure, so that the height difference between the ladle bottom pouring layer and the brick cup piece is compensated, the steel slag is not easy to generate and flows back to the nozzle brick cup channel, and the ladle self-opening rate is improved; furthermore, as the bowl brick piece is similar to the brick cup piece in material and performance, the normal use effect of the ladle bottom pouring layer is not influenced while the structure of the brick cup piece is ensured, and the economic loss and the safety risk caused by the fact that the ladle is not opened are reduced.
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 an improve brick cup structure of ladle from rate of opening which characterized in that: the bowl brick piece is arranged at the top of the seat brick piece, the bottom pouring layer is poured on the outer walls of the bowl brick piece and the seat brick piece, and the top end of the bowl brick piece is flush with the top end of the bottom pouring layer.
2. A brick cup structure for improving the self-opening rate of a ladle according to claim 1, wherein: the bowl brick piece is of a horn structure along the axial cross section of the bowl brick piece, and the outer diameter of the bowl brick piece is gradually reduced from the top end to the bottom end.
3. A brick cup structure for improving the self-opening rate of a ladle according to claim 2, wherein: the included angle of the horn structure is 120 degrees.
4. A brick cup structure for improving the self-opening rate of a ladle according to claim 2, wherein: the distance between the projection of the top end of the bowl brick piece on the horizontal plane and the projection of the top end of the seat brick piece on the horizontal plane is 10 mm.
5. A brick cup structure for improving the self-opening rate of a ladle according to claim 1, wherein: the material of the brick cup piece adopts high-alumina bricks, the material of the bowl brick piece adopts aluminum carbon bricks, and the material of the ladle bottom pouring layer adopts corundum bricks.
6. A brick cup structure for improving the self-opening rate of a ladle according to claim 1 or 5, wherein: the aggregate granularity of the bowl brick piece is less than or equal to 5mm, and the aggregate granularity of the brick cup piece is 30 mm.
7. A brick cup structure for improving the self-opening rate of a ladle according to claim 1, wherein: the bowl brick piece is characterized in that a bowl brick channel is formed in the bowl brick piece, and the bowl brick channel and the outer wall of the bowl brick piece are the same in thickness.
8. A brick cup structure for improving the self-opening rate of a ladle according to claim 7, wherein: the thickness between the bowl brick channel and the outer wall of the bowl brick piece is 35 mm-45 mm.
9. A brick cup structure for improving the self-opening rate of a ladle according to claim 7, wherein: the interior of the brick cup piece is provided with a brick cup channel which is coaxial with the bowl brick channel.
10. A brick cup structure for improving the self-opening rate of a ladle according to claim 9, wherein: brick cup passageway is including the first loudspeaker section, changeover portion and the second loudspeaker section that connect gradually, and the external diameter of first loudspeaker section reduces from top to bottom gradually, and the external diameter of changeover portion reduces from top to bottom gradually, and the external diameter of second loudspeaker section increases from top to bottom gradually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120732832.8U CN215033574U (en) | 2021-04-09 | 2021-04-09 | Improve brick cup structure of ladle from rate of opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120732832.8U CN215033574U (en) | 2021-04-09 | 2021-04-09 | Improve brick cup structure of ladle from rate of opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215033574U true CN215033574U (en) | 2021-12-07 |
Family
ID=79147714
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120732832.8U Active CN215033574U (en) | 2021-04-09 | 2021-04-09 | Improve brick cup structure of ladle from rate of opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215033574U (en) |
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2021
- 2021-04-09 CN CN202120732832.8U patent/CN215033574U/en active Active
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