Horizontal continuous casting multicore crystallizer

Abstract

The utility model provides a kind of horizontal continuous casting multicore crystallizer, comprising: mould body, the inside of mould body is equipped with first run, second run, forming area and first cooling flow channel and second cooling flow channel;The inside of first run is equipped with core print, and core print has multiple forming holes;Forming area is between first run and discharge port, and first run, forming area and discharge port are coaxial and sequentially communicated;Second run is communicated second metal liquid import with forming area;First cooling flow channel is located in the outer periphery of the side wall of the region where core print is and is communicated first cooling liquid circulation import with first cooling liquid circulation export;Second cooling flow channel is located in the outer periphery of forming area and is communicated second cooling liquid circulation import with second cooling liquid circulation export.The utility model realizes the continuous casting processing of multicore heterogeneous composite metal piece, and can guarantee the interface bonding effect of two kinds of metals.

Description

Technical Field

[0001] This utility model relates to the field of metallurgical technology, specifically to a horizontal continuous casting multi-core crystallizer. Background Technology

[0002] Composite metal materials are multifunctional materials formed by combining two or more metals in a specific way, possessing the advantages of each component. Multi-core composite metal materials are one type of composite metal material, consisting of multiple cores encased in one metal material and another metal material. Multi-core composite materials (such as silver-clad copper) are widely used in electronics, power, aerospace, energy, and high-end equipment due to their excellent properties.

[0003] The continuous casting mold is a core component in the continuous casting process, responsible for rapidly cooling and initially solidifying high-temperature molten steel into a billet of a specific shape. Traditional continuous casting molds are mainly designed for single-metal or double-metal systems, making it difficult to meet the process requirements of multi-core composite materials. Summary of the Invention

[0004] In order to solve the technical problems existing in the background art, this utility model proposes a horizontal continuous casting multi-core crystallizer.

[0005] The present invention proposes a horizontal continuous casting multi-core crystallizer, comprising: a mold body having a discharge port, a first molten metal inlet, a second molten metal inlet, a first coolant circulation inlet, a first coolant circulation outlet, a second coolant circulation inlet, and a second coolant circulation outlet;

[0006] The mold body has a first channel, a second channel, a forming zone, a first cooling channel, and a second cooling channel inside. The first channel is located at the center of the mold body and is connected to the first molten metal inlet. The first channel has a core inside, and the core has multiple forming channels. The forming zone is located between the first channel and the discharge port, and the first channel, the forming zone, and the discharge port are coaxial and connected in sequence. The second channel connects the second molten metal inlet and the forming zone. The first cooling channel is located on the outer periphery of the area where the core is located and connects the first coolant circulation inlet and the first coolant circulation outlet. The second cooling channel is located on the outer periphery of the forming zone and connects the second coolant circulation inlet and the second coolant circulation outlet.

[0007] Preferably, the core is made of graphite material and is tightly assembled with the first channel.

[0008] Preferably, the core is located at one end of the first channel near the molding area.

[0009] Preferably, the core is integrally formed within the first channel.

[0010] Preferably, the mold body includes an outer mold body and an inner mold body; the outer mold body has a cylindrical structure, with one end open to form a discharge port; the inner mold body is coaxially installed inside the outer mold body, and the inner mold body has an axially extending channel to form a first flow channel, and a gap is reserved between the outer peripheral surface of the inner mold body and the inner peripheral surface of the outer mold body to form a second flow channel, and there is a gap between the end of the inner mold body near the discharge port and the discharge port so that the space between them forms a molding area, and the side wall of the inner mold body in the area where the core is located has a cavity to form a first cooling channel; the side wall of the outer mold body in the area where the molding area is located has a cavity to form a second cooling channel.

[0011] Preferably, the outer peripheral surface of the inner mold body is provided with a heat insulation layer.

[0012] Preferably, the end of the inner mold body away from the discharge port extends to the outside of the outer mold body; the first molten metal inlet, the first coolant circulation inlet, and the first coolant circulation outlet are all located at the part of the inner mold body that extends to the outside of the outer mold body; the second molten metal inlet, the second coolant circulation inlet, and the second coolant circulation outlet are all located on the side wall of the outer mold body.

[0013] In this invention, the first channel is used to supply molten metal A, and the second channel is used to supply molten metal B. When molten metal A flows through the core, it forms multiple columnar rods. These columnar rods are cooled by the cooling liquid flowing through the first cooling channel and then initially solidify before entering the forming zone. Molten metal B flows into the forming zone through the second channel and continues to solidify on the surface of each columnar rod to form a multi-core structure in which metal B encapsulates metal A. This achieves continuous casting of multi-core heterogeneous composite metal parts. Furthermore, this invention provides regional cooling for the first channel and the forming zone, which can meet the solidification rate requirements of two different metals and ensure the bonding effect of the two metal interfaces. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of a horizontal continuous casting multi-core crystallizer proposed in this utility model. Detailed Implementation

[0015] Reference Figure 1 The present invention proposes a horizontal continuous casting multi-core crystallizer, comprising: a mold body having a discharge port 1, a first molten metal inlet 2, a second molten metal inlet 3, a first coolant circulation inlet 4, a first coolant circulation outlet 5, a second coolant circulation inlet 6, and a second coolant circulation outlet 7.

[0016] The mold body has a first channel 8, a second channel 9, a forming zone 10, a first cooling channel 11, and a second cooling channel 12 inside. The first channel 8 is located at the center of the mold body and is connected to the first molten metal inlet 2. The first channel 8 has a core 13 inside, which has multiple forming channels 131. The forming zone 10 is located between the first channel 8 and the outlet 1, and the first channel 8, the forming zone 10, and the outlet 1 are coaxial and connected in sequence. The second channel 9 connects the second molten metal inlet 3 and the forming zone 10. The first cooling channel 11 is located on the outer periphery of the area where the core 13 is located and connects the first coolant circulation inlet 4 and the first coolant circulation outlet 5. The second cooling channel 12 is located on the outer periphery of the forming zone 10 and connects the second coolant circulation inlet 6 and the second coolant circulation outlet 7. The specific operation is as follows:

[0017] When processing multi-core composite parts, molten metal A flows into the core 13 through the first molten metal inlet 2 and the first channel 8, and forms multiple columnar rods through the forming channel 131 in the core 13, and enters the forming zone 10; molten metal B enters the forming zone 10 through the second molten metal inlet 3 and the second channel 9, so as to continue to solidify on the surface of the initially solidified rod to form a metal layer covering the outside of the rod, and then outputs it through the discharge port 1, thereby forming the continuous casting process of multi-core composite parts.

[0018] Specifically, in this embodiment, the mold body includes an outer mold body 14 and an inner mold body 15. The outer mold body 14 has a cylindrical structure, with one end open to form a discharge port 1. The inner mold body 15 is coaxially mounted inside the outer mold body 14. The inner mold body 15 has an axially extending channel inside to form a first flow channel 8. A gap is reserved between the outer peripheral surface of the inner mold body 15 and the inner peripheral surface of the outer mold body 14 to form a second flow channel 9. The end of the inner mold body 15 near the discharge port 1 has a gap with the discharge port 1 so that the space between them forms a molding area 10. The side wall of the inner mold body 15 in the area where the core 13 is located has a cavity to form a first cooling channel 11. The side wall of the outer mold body 14 in the area where the molding area 10 is located has a cavity to form a second cooling channel 12. Designing the mold body as a split structure composed of the inner mold body 15 and the outer mold body 14 can greatly reduce the processing difficulty and facilitate later inspection and maintenance. At the same time, it can also realize the individual replacement of parts.

[0019] Furthermore, in this embodiment, a heat insulation layer 16 is provided on the outer peripheral surface of the inner mold body 15 to provide heat insulation between the first channel 8 and the second channel 9. The end of the inner mold body 15 away from the discharge port 1 extends to the outside of the outer mold body 14; the first molten metal inlet 2, the first coolant circulation inlet 4, and the first coolant circulation outlet 5 are all located at the part of the inner mold body 15 that extends to the outside of the outer mold body 14; the second molten metal inlet 3, the second coolant circulation inlet 6, and the second coolant circulation outlet 7 are all located on the side wall of the outer mold body 14. By concentrating the first molten metal inlet 2, the first coolant circulation inlet 4, and the first coolant circulation outlet 5 in the extended part of the inner mold body 15, and separating them from the feeding / cooling system of the outer mold body 14, mutual interference during operation is avoided; at the same time, the exposed part of the inner mold body 15 can be directly inspected or replaced without completely disassembling the outer mold body 14, reducing downtime.

[0020] In a further embodiment, the core 13 is made of graphite material and is installed in the first channel 8 using a tight fit or interference fit. Because the graphite core 13 is inexpensive to manufacture, when the core needs to be replaced, it only needs to be crushed, the debris removed, and a new core installed.

[0021] Furthermore, the core 13 is located at one end of the first channel 8 near the molding area 10, which facilitates the installation and removal of the core 13 through the discharge port 1.

[0022] In addition, the core 13 can also be integrally molded into the first channel 8. This method is more robust and stable, but the disadvantage is that the core 13 cannot be replaced separately.

[0023] As can be seen from the above, the first channel 8 in this utility model is used to supply the inflow of molten metal A, and the second channel 9 is used to supply molten metal B. When molten metal A flows through the core 13, it forms multiple columnar rods. The multiple columnar rods formed are initially solidified after being cooled by the cooling liquid flowing through the first cooling channel 11, and then enter the forming zone 10. Molten metal B flows into the forming zone 10 through the second channel 9 and continues to solidify on the surface of each columnar rod to form a multi-core structure in which metal B encapsulates metal A. This realizes the continuous casting of multi-core heterogeneous composite metal parts. Furthermore, this utility model cools the first channel and the forming zone separately, which can meet the solidification rate requirements of two different metals and ensure the bonding effect of the two metal interfaces.

[0024] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A horizontal continuous casting multi-core crystallizer, characterized in that, include: The mold body has a discharge port (1), a first molten metal inlet (2), a second molten metal inlet (3), a first coolant circulation inlet (4), a first coolant circulation outlet (5), a second coolant circulation inlet (6), and a second coolant circulation outlet (7). The mold body has a first channel (8), a second channel (9), a molding area (10), a first cooling channel (11), and a second cooling channel (12). The first channel (8) is located at the center of the mold body and is connected to the first molten metal inlet (2). The first channel (8) has a core (13) inside, and the core (13) has multiple molding channels (131). The molding area (10) is located between the first channel (8) and the outlet (1), and the first channel (8), the molding area (10), and the outlet (1) are coaxial and connected in sequence. The second channel (9) is connected to the second molten metal inlet (3) and the molding area (10). The first cooling channel (11) is located on the outer periphery of the side wall of the area where the core (13) is located and is connected to the first coolant circulation inlet (4) and the first coolant circulation outlet (5). The second cooling channel (12) is located on the outer periphery of the molding area (10) and is connected to the second coolant circulation inlet (6) and the second coolant circulation outlet (7).

2. The horizontal continuous casting multi-core crystallizer according to claim 1, characterized in that, The core (13) is made of graphite material and is tightly assembled with the first channel (8).

3. The horizontal continuous casting multi-core crystallizer according to claim 2, characterized in that, The core (13) is located at one end of the first channel (8) near the molding area (10).

4. The horizontal continuous casting multi-core crystallizer according to claim 1, characterized in that, The core (13) is integrally formed in the first channel (8).

5. The horizontal continuous casting multi-core crystallizer according to any one of claims 1-4, characterized in that, The mold body includes an outer mold body (14) and an inner mold body (15); the outer mold body (14) is a cylindrical structure, and one end of the outer mold body (14) is open to form a discharge port (1); the inner mold body (15) is coaxially installed inside the outer mold body (14), and the inner mold body (15) has an axially extending channel to form a first channel (8); a gap is reserved between the outer peripheral surface of the inner mold body (15) and the inner peripheral surface of the outer mold body (14) to form a second channel (9); the end of the inner mold body (15) near the discharge port (1) has a gap with the discharge port (1) so that the space between the two forms a molding area (10); the inner mold body (15) has a cavity on the side wall of the area where the core (13) is located to form a first cooling channel (11); the outer mold body (14) has a cavity on the side wall of the area where the molding area (10) is located to form a second cooling channel (12).

6. The horizontal continuous casting multi-core crystallizer according to claim 5, characterized in that, The outer periphery of the inner mold (15) is provided with a heat insulation layer (16).

7. The horizontal continuous casting multi-core crystallizer according to claim 5, characterized in that, The inner mold body (15) extends to the outside of the outer mold body (14) at the end away from the discharge port (1); the first molten metal inlet (2), the first coolant circulation inlet (4) and the first coolant circulation outlet (5) are all located at the part of the inner mold body (15) that extends to the outside of the outer mold body (14); the second molten metal inlet (3), the second coolant circulation inlet (6) and the second coolant circulation outlet (7) are all located on the side wall of the outer mold body (14).

Images