CN218693852U - Cooling device for crystallizer copper pipe immersion type water gap - Google Patents
Cooling device for crystallizer copper pipe immersion type water gap Download PDFInfo
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- CN218693852U CN218693852U CN202222778571.0U CN202222778571U CN218693852U CN 218693852 U CN218693852 U CN 218693852U CN 202222778571 U CN202222778571 U CN 202222778571U CN 218693852 U CN218693852 U CN 218693852U
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- Prior art keywords
- air
- cooling device
- copper pipe
- nozzle
- vent groove
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- 238000001816 cooling Methods 0.000 title claims abstract description 37
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 27
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 27
- 239000010949 copper Substances 0.000 title claims abstract description 27
- 238000007654 immersion Methods 0.000 title claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 5
- 238000004378 air conditioning Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 abstract description 19
- 239000010959 steel Substances 0.000 abstract description 19
- 238000009749 continuous casting Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 238000005266 casting Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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- Continuous Casting (AREA)
Abstract
The utility model relates to a cooling device of crystallizer copper pipe immersion nozzle belongs to metal continuous casting technical field. The copper pipe in the crystallizer is connected with an immersion type water gap, the cooling device comprises a vent groove and a cold air device, and the vent groove is provided with an air inlet and an air outlet; the air-conditioning device is respectively connected with the air inlet and the air outlet through pipelines; the vent groove is sleeved outside the submerged nozzle and is close to the outlet end of the submerged nozzle. The utility model provides a cooling device of crystallizer copper pipe immersion nozzle, pour the in-process molten steel at the molten steel and pass through the immersion nozzle, flow in the copper pipe of crystallizer, because the air channel that adopts the overcoat structure continuously cools down the immersion nozzle, carry out appropriate cooling to the molten steel that flows in to take away the heat of molten steel in some immersion nozzle, reach the purpose that reduces the molten steel superheat degree.
Description
Technical Field
The utility model relates to a cooling device of crystallizer copper pipe immersion nozzle belongs to metal continuous casting technical field.
Background
At present, most of the continuous casting production processes seek the fast casting and fast cooling technology. The yield can be improved by fast pouring, and the benefit is obvious; the rapid cooling can improve the center segregation of the casting blank and improve the internal quality of the casting blank. Low superheat casting is an important component of the rapid cooling technique.
At present, continuous casting low superheat degree pouring is mainly realized by refining accurate temperature control and a ladle/tundish heat preservation technology, the superheat degree of molten steel is generally controlled at 25 ℃, the requirements on production control are continuously lowered too much, the production difficulty is high, the temperature drop of the molten steel in the pouring process is large, the molten steel is solidified in advance, and accidents such as pouring stop and the like can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a cooling device for a crystallizer copper tube immersion nozzle, which increases a new function of reducing the superheat degree of molten steel and improves the practicability of the immersion nozzle compared with the existing immersion nozzle;
the utility model adopts the following technical scheme:
the cooling device for the immersed nozzle of the copper pipe of the crystallizer of the utility model is characterized in that the copper pipe in the crystallizer is connected with the immersed nozzle, the cooling device comprises a vent groove and an air conditioning device, and the vent groove is provided with an air inlet and an air outlet; the air conditioning device is respectively connected with the air inlet and the air outlet through pipelines; the vent groove is sleeved outside the submerged nozzle and close to the outlet end of the submerged nozzle.
The cooling device for the crystallizer copper pipe immersion nozzle of the utility model has the advantages that the pipelines connected with the air conditioning device are an air inlet pipeline and an air outlet pipeline; the air inlet pipeline is connected with an air inlet; the air outlet pipeline is connected with an air outlet hole.
The utility model discloses a cooling device of crystallizer copper pipe immersion nozzle, air conditioning device be air-cooled machine or air cooling device.
Crystallizer copper pipe immersion nozzle's cooling device, the air channel on inlet port and venthole be the dislocation arrangement.
Crystallizer copper pipe immersion nozzle's cooling device, the inlet port be located the lateral wall bottom of air channel, the venthole is located the lateral wall top of air channel.
The cooling device for the crystallizer copper pipe immersion type water gap of the utility model has a closed structure between the axial two ends of the vent groove and the immersion type water gap; an air cavity is formed between the inner wall of the vent groove and the outer wall of the submerged nozzle.
Advantageous effects
The utility model provides a cooling device of crystallizer copper pipe immersion nozzle, pour the in-process molten steel at the molten steel and pass through the immersion nozzle, flow in the copper pipe of crystallizer, because the air channel that adopts the overcoat structure continuously cools down the immersion nozzle, carry out appropriate cooling to the molten steel that flows in to take away the heat of molten steel in some immersion nozzle, reach the purpose that reduces the molten steel superheat degree.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
In order to make the purpose and technical solution of the embodiments of the present invention clearer, the following description will clearly and completely describe the technical solution of the embodiments of the present invention by combining the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
As shown in fig. 1: the cooling device of the crystallizer copper pipe immersion nozzle, connect the immersion nozzle 1 on the copper pipe 8 in the crystallizer, the cooling device includes the air channel 2, the air conditioning plant 7, there are air inlet 3 and air outlet 4 on the air channel 2; the air cooling device 7 is respectively connected with the air inlet 3 and the air outlet 4 through pipelines; the air inlet 3 and the air outlet 4 on the vent groove 2 are arranged in a staggered way; the air inlet hole 3 is positioned at the bottom of the side wall of the vent groove 2, and the air outlet hole 4 is positioned at the top of the side wall of the vent groove 2.
The ventilation groove 2 is sleeved outside the submerged nozzle 1 and is close to the outlet end of the submerged nozzle 1. A closed structure is arranged between the two axial ends of the vent groove 2 and the submerged nozzle 1; an air chamber is formed between the inner wall of the vent groove 2 and the outer wall of the submerged nozzle 1.
The pipelines connected with the air cooling device 7 are an air inlet pipeline 5 and an air outlet pipeline 6; the air inlet pipeline 5 is connected with the air inlet 3; the air outlet pipeline 6 is connected with the air outlet hole 4. The air-conditioning device 7 is an air-cooling machine or an air-cooling device. The cold air source device 7 outputs cold air, the cold air enters the vent groove 2 through the air inlet pipeline 5, the vent groove 2 is wholly sealed, only the air inlet hole 3 and the air outlet hole 4 are reserved, the cold air exchanges with hot air in the vent groove 2 and flows out of the air outlet hole 4,
the inflow temperature of the molten steel in the utility model is generally 1450-1550 ℃; the air temperature in the air channel 2 is controlled to be 20-40 ℃ through the connected cold air device 7; the molten steel passes through the submerged nozzle 1, the heat of a part of the molten steel is taken away by the vent groove 2, and the temperature of the molten steel flowing into the copper pipe is reduced to 1430-1530 ℃; the purpose of reducing the superheat degree of the molten steel is achieved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. The utility model provides a cooling device of crystallizer copper pipe immersion nozzle, connects immersion nozzle (1) on copper pipe (8) in the crystallizer, its characterized in that: the cooling device comprises a vent groove (2) and a cold air device (7), wherein the vent groove (2) is provided with an air inlet hole (3) and an air outlet hole (4); the air conditioning device (7) is respectively connected into the air inlet hole (3) and the air outlet hole (4) through pipelines; the vent groove (2) is sleeved outside the submerged nozzle (1) and is close to the outlet end of the submerged nozzle (1).
2. The cooling device for a crystallizer copper tube submerged entry nozzle as recited in claim 1, wherein: the pipelines connected with the air conditioning device (7) are an air inlet pipeline (5) and an air outlet pipeline (6); the air inlet pipeline (5) is connected into the air inlet hole (3); the air outlet pipeline (6) is connected with the air outlet hole (4).
3. The cooling device for the submerged nozzle of the crystallizer copper pipe according to claim 1, wherein: the air cooling device (7) is an air cooling machine or an air cooling device.
4. The cooling device for the submerged nozzle of the crystallizer copper pipe according to claim 1, wherein: the air inlet holes (3) and the air outlet holes (4) on the vent grooves (2) are arranged in a staggered manner.
5. The cooling device for the submerged nozzle of the crystallizer copper pipe as claimed in claim 4, wherein: the air inlet holes (3) are located at the bottom of the side wall of the vent groove (2), and the air outlet holes (4) are located at the top of the side wall of the vent groove (2).
6. The cooling device for the submerged nozzle of the crystallizer copper pipe according to claim 1, wherein: a closed structure is arranged between the two axial ends of the vent groove (2) and the submerged nozzle (1); an air cavity is formed between the inner wall of the vent groove (2) and the outer wall of the submerged nozzle (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222778571.0U CN218693852U (en) | 2022-10-21 | 2022-10-21 | Cooling device for crystallizer copper pipe immersion type water gap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222778571.0U CN218693852U (en) | 2022-10-21 | 2022-10-21 | Cooling device for crystallizer copper pipe immersion type water gap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218693852U true CN218693852U (en) | 2023-03-24 |
Family
ID=85587655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222778571.0U Active CN218693852U (en) | 2022-10-21 | 2022-10-21 | Cooling device for crystallizer copper pipe immersion type water gap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218693852U (en) |
-
2022
- 2022-10-21 CN CN202222778571.0U patent/CN218693852U/en active Active
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