CN219324738U - Crystallizer for wide copper strips - Google Patents
Crystallizer for wide copper strips Download PDFInfo
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- CN219324738U CN219324738U CN202320767328.0U CN202320767328U CN219324738U CN 219324738 U CN219324738 U CN 219324738U CN 202320767328 U CN202320767328 U CN 202320767328U CN 219324738 U CN219324738 U CN 219324738U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model relates to a crystallizer for wide copper strips, which comprises: a crystallizer body having a crystallization cavity for the copper tape to pass through; the cooling water pipeline comprises a water inlet pipeline and a water outlet pipeline which are respectively communicated with the crystallization cavity; the shunt tubes are arranged in the crystallization cavity and comprise a main pipeline communicated with the water inlet pipeline and a plurality of branch pipelines communicated with the main pipeline, and the branch pipelines are arranged side by side along the direction of the copper strips passing through the crystallization cavity; wherein, the arrangement density of a plurality of branch pipelines gradually increases from the middle position to the edge position. The utility model controls the density of branch pipelines in the shunt tubes, and ensures that the crystallization speeds of the middle part and the two sides of the wide copper strip are consistent, thereby ensuring the cooling crystallization uniformity of the whole copper strip casting blank and ensuring the quality and continuous production of the wide copper strip casting blank.
Description
Technical Field
The utility model relates to the technical field of copper strip production, in particular to a crystallizer for a wide copper strip.
Background
The crystallizer is casting blank forming equipment on continuous casting equipment and is also one of key core equipment. The method has the function of forcedly cooling the molten steel continuously injected into the inner cavity of the casting blank through the water-cooled copper wall, and leading out the heat of the molten steel to gradually solidify the molten steel into the casting blank with the required section shape and blank shell thickness. And the casting billet with the core still in the liquid phase is continuously taken out of the crystallizer, thereby providing conditions for complete solidification in a later secondary cooling zone.
For wide copper bands, the casting blank in the crystallizer is easy to generate defects of uneven cooling shrinkage crystallization in the middle and edge positions, cracks, holes, thickness differences and the like, so that casting cannot be continued; the root cause of the research is as follows: when the wide copper strip is cooled by adopting the crystallizer, the middle part and the edge of the wide copper strip have different requirements on cooling conditions, and if the copper strip is uniformly crystallized and cooled by adopting the conventional crystallizer, the crystallinity of the middle part and the edge is different.
Disclosure of Invention
Therefore, the utility model aims to solve the technical problem of inconsistent crystallinity of the wide copper strip in the prior art, and provides the crystallizer for the wide copper strip, which controls the density of branch pipelines in a shunt pipe to ensure that the crystallization speeds of the middle part and two sides of the wide copper strip are consistent, so that the whole copper strip casting blank is cooled and crystallized uniformly, and the quality of the wide copper strip casting blank and continuous production are ensured.
In order to solve the technical problems, the utility model provides a crystallizer for a wide copper strip, which comprises:
a crystallizer body having a crystallization cavity for the copper tape to pass through;
the cooling water pipeline comprises a water inlet pipeline and a water outlet pipeline which are respectively communicated with the crystallization cavity;
the shunt tubes are arranged in the crystallization cavity and comprise a main pipeline communicated with the water inlet pipeline and a plurality of branch pipelines communicated with the main pipeline, and the branch pipelines are arranged side by side along the direction of the copper strips passing through the crystallization cavity;
wherein, the arrangement density of a plurality of branch pipelines gradually increases from the middle position to the edge position.
In one embodiment of the utility model, the spacing between two adjacent centrally located branch lines is provided to be twice the spacing between two adjacent peripherally located branch lines.
In one embodiment of the utility model, a plurality of branch pipes are provided, the caliber of which decreases from the middle position to the edge position.
In one embodiment of the utility model, the branch pipes located in the intermediate position are provided with a caliber twice that of the branch pipes located in the edge position.
In one embodiment of the utility model, the crystallizer body comprises: the upper template and the lower template are arranged in a split mode, and the upper template and the lower template are matched to form a crystallization cavity.
In one embodiment of the utility model, a receiving slot is formed in the lower die plate, and the shunt tube is disposed in the receiving slot.
In one embodiment of the present utility model, the water outlet pipe is provided on the upper die plate.
In one embodiment of the utility model, a temperature sensor is disposed within the crystallization chamber.
In one embodiment of the utility model, a plurality of crystallization cavities are arranged in the crystallizer body, and a branch pipe is arranged in each crystallization cavity.
In one embodiment of the present utility model, the crystallization cavities are respectively communicated with an independent water inlet pipeline and an independent water outlet pipeline.
Compared with the prior art, the technical scheme of the utility model has the following advantages:
the crystallizer for the wide copper strip is mainly used for solving the problems that the temperature of the middle position and the edge position of the wide copper strip are inconsistent and the crystallinity is easy to be uneven due to the adoption of the traditional crystallizer, and a shunt pipe is arranged in a crystallization cavity and comprises a main pipeline communicated with a water inlet pipeline and a branch pipeline communicated with the crystallization cavity, wherein a plurality of branch pipelines are arranged side by side along the width direction of the copper strip, and the density of the branch pipelines is gradually increased from the middle position to the edge position, so that the cooling intensity of the middle position is controlled to be higher than that of the edge position, the crystallization speeds of the middle part and the two sides of the wide copper strip are kept consistent, the whole copper strip is uniformly cooled and crystallized, and the quality and continuous production of the wide copper strip are ensured.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof that are illustrated in the appended drawings, in which
FIG. 1 is a schematic cross-sectional structure of a mold of the present utility model;
FIG. 2 is a schematic diagram of the distribution position of the shunt tubes in the crystallizer according to the utility model.
Description of the specification reference numerals: 1. a crystallizer body; 2. a crystallization cavity; 3. a water inlet pipe; 4. a water outlet pipe; 5. a shunt; 51. a main pipe; 52. and (5) branching the pipeline.
Detailed Description
The present utility model will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the utility model and practice it.
Referring to fig. 1 and 2, the utility model discloses a special crystallizer for a wide copper strip, which comprises: crystallizer body 1, set up cooling water pipeline in the crystallizer body 1, with shunt tubes 5 of cooling water pipe intercommunication, wherein: the crystallizer comprises a crystallizer body 1, a copper strip and a cooling water pipeline, wherein a crystallization cavity 2 for the copper strip to pass through is formed in the crystallizer body 1, the cooling water pipeline comprises a water inlet pipeline 3 and a water outlet pipeline 4 which are respectively communicated with the crystallization cavity 2, a shunt pipe 5 is arranged in the crystallization cavity 2 and comprises a main pipeline 51 communicated with the water inlet pipeline 3 and a plurality of branch pipelines 52 communicated with the main pipeline 51, and the plurality of branch pipelines 52 are arranged side by side along the direction of the copper strip in which the crystallization cavity 2 passes through; the cooling liquid is led into the shunt tube 5 from the outside through a cooling water pipeline, is led into the crystallization cavity 2 through a plurality of branch pipelines 52 in the shunt tube 5, exchanges heat with the copper strip in the crystallization cavity 2, cools and crystallizes the copper strip, and then flows out of the water outlet pipeline 4, thereby realizing cooling and crystallization of the wide copper strip.
In the actual production process of the copper strip, the temperature of the middle position of the wide copper strip is higher than that of the edge position, so that the cooling strength required by the copper strip at the middle position is higher than that of the edge position during crystallization treatment, and if the same cooling strength is provided for carrying out crystallization treatment on the copper strip, the crystallinity of the middle position and the edge position of the copper strip is different, and the copper strip is easy to have defects of cracks, holes and thickness difference;
in this embodiment, in order to solve the above problem, the setting density of the plurality of branch pipes 52 gradually increases from the middle position to the edge position, that is, when the copper strip is cooled and crystallized, the flow of the cooling liquid provided at the middle position of the copper strip is greater than that of the cooling liquid at the edge position, so as to improve the cooling intensity at the middle position, control the cooling intensity at the middle position to be greater than that at the edge position, and keep the crystallization speeds of the middle and two sides of the wide copper strip consistent, so that the cooling and crystallization of the whole copper strip casting blank are uniform, and the quality and continuous production of the wide copper strip casting blank are ensured.
Specifically, according to the actual crystallization requirement, the density distribution condition of the branch pipes 52 needs to be set according to a certain proportion, that is, when the branch pipes 52 are actually set to have the arrangement density, the branch pipes 52 that cannot be set at the middle position are too dense, and the branch pipes 52 that cannot be set at the edge position are too sparse, and the excessive setting will cause the uneven crystallization of the next time, and the copper strip is deformed due to the uneven flow distribution, so in this embodiment, the density set to the branch pipes 52 is further limited: the interval between two adjacent branch pipes 52 positioned at the middle position is twice the interval between two adjacent branch pipes 52 positioned at the edge position;
for example: the whole crystallization cavity 2 is equally divided into three equal parts along the width direction, wherein the equal parts positioned in the middle are defined as middle positions, the two equal parts positioned at two sides are edge positions, one branch pipeline 52 can be arranged at the edge positions, and four branch pipelines 52 are arranged at the middle positions.
Specifically, in order to further control the cooling intensity of the middle position and the edge position, the caliber of the branch pipes 52 may be reduced from the middle position to the edge position, that is, when the copper strip is cooled and crystallized, the flow rate of the cooling liquid provided at the middle position of the copper strip is greater than that of the cooling liquid at the edge position, so as to improve the cooling intensity of the middle position, control the cooling intensity at the middle position to be greater than that at the edge position, and keep the crystallization speeds of the middle and two sides of the wide copper strip consistent, so that the cooling and crystallization of the whole copper strip casting blank are uniform, and the quality and continuous production of the wide copper strip casting blank are ensured
Similarly, according to the actual crystallization requirement, the caliber distribution situation of the branch pipeline 52 needs to be set according to a certain proportion, namely, when the caliber of the branch pipeline 52 is actually set, the caliber of the branch pipeline 52 which cannot be set at the middle position is too large, the caliber of the branch pipeline 52 which cannot be set at the edge position is too small, the excessive setting will cause uneven crystallization again, and copper strips are deformed due to uneven flow distribution, so that the caliber of the branch pipeline 52 which is set at the middle position is twice the caliber of the branch pipeline 52 which is set at the edge position.
Referring to fig. 1, the mold body 1 includes: the upper template and the lower template are arranged in a split mode, the upper template and the lower template are clamped to form a crystallization cavity 2, and the upper template and the lower template are connected in a locking mode through bolts; wherein: the lower template is provided with a containing groove, the shunt tube 5 is arranged in the containing groove, and the upper template is provided with the water outlet pipeline 4; that is, in the crystallization cavity 2 of the present embodiment, cooling is also injected from below and flows out from above, so that after the crystallization cavity 2 is fully contacted with the copper strip, cooling liquid can be fully exchanged, and then the cooling liquid is discharged from the crystallization cavity 2, so that the cooling liquid can be fully utilized.
Specifically, a temperature sensor is arranged in the crystallization cavity 2, and the temperature of the cooling liquid in the crystallization cavity 2 can be monitored in real time through the temperature sensor, so that the water temperature is controlled to be 20-40 ℃, the crystallization speed of the copper strip casting blank is good, and the quality of the wide copper strip casting blank is ensured.
Referring to fig. 1 and fig. 2, in order to improve the crystallization efficiency of binding copper strips, a plurality of crystallization cavities 2 are provided in the crystallizer body 1, each crystallization cavity 2 is provided with a branch pipe, and copper strips can be introduced into each crystallization cavity 2, so that synchronous cooling crystallization of a plurality of copper strips is realized;
and, set up a plurality of all communicate in the crystallization cavity 2 has independent inlet channel 3 and outlet conduit 4, can control the cooling crystallization condition in every crystallization cavity 2 alone.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations and modifications of the present utility model will be apparent to those of ordinary skill in the art in light of the foregoing description. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (10)
1. A crystallizer for wide copper belts, comprising:
a crystallizer body having a crystallization cavity for the copper tape to pass through;
the cooling water pipeline comprises a water inlet pipeline and a water outlet pipeline which are respectively communicated with the crystallization cavity;
the shunt tubes are arranged in the crystallization cavity and comprise a main pipeline communicated with the water inlet pipeline and a plurality of branch pipelines communicated with the main pipeline, and the branch pipelines are arranged side by side along the direction of the copper strips passing through the crystallization cavity;
wherein, the arrangement density of a plurality of branch pipelines gradually increases from the middle position to the edge position.
2. The crystallizer for wide copper belts as in claim 1, wherein: the spacing between two adjacent branch pipes located at the middle position is twice the spacing between two adjacent branch pipes located at the edge positions.
3. The crystallizer for wide copper belts as in claim 1, wherein: the caliber of the branch pipelines is gradually decreased from the middle position to the edge position.
4. A crystallizer for wide copper belts as in claim 3, characterized in that: the caliber of the branch pipeline positioned at the middle position is twice that of the branch pipeline positioned at the edge position.
5. The crystallizer for wide copper belts as in claim 1, wherein: the crystallizer body includes: the upper template and the lower template are arranged in a split mode, and the upper template and the lower template are matched to form a crystallization cavity.
6. The wide copper strip crystallizer of claim 5, wherein: the lower template is provided with a containing groove, and the shunt tube is arranged in the containing groove.
7. The wide copper strip crystallizer of claim 5, wherein: the upper template is provided with the water outlet pipeline.
8. The crystallizer for wide copper belts as in claim 1, wherein: and a temperature sensor is arranged in the crystallization cavity.
9. The crystallizer for wide copper belts as in claim 1, wherein: a plurality of crystallization cavities are arranged in the crystallizer body, and each crystallization cavity is internally provided with a branch pipe.
10. The crystallizer for wide copper belts as in claim 9, wherein: and the crystallization cavities are communicated with independent water inlet pipelines and independent water outlet pipelines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320767328.0U CN219324738U (en) | 2023-04-10 | 2023-04-10 | Crystallizer for wide copper strips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320767328.0U CN219324738U (en) | 2023-04-10 | 2023-04-10 | Crystallizer for wide copper strips |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219324738U true CN219324738U (en) | 2023-07-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320767328.0U Active CN219324738U (en) | 2023-04-10 | 2023-04-10 | Crystallizer for wide copper strips |
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| Country | Link |
|---|---|
| CN (1) | CN219324738U (en) |
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2023
- 2023-04-10 CN CN202320767328.0U patent/CN219324738U/en active Active
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