CN213614017U - Electromagnetic metallurgical equipment of high-pulling-speed continuous casting machine - Google Patents
Electromagnetic metallurgical equipment of high-pulling-speed continuous casting machine Download PDFInfo
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- CN213614017U CN213614017U CN202022104204.3U CN202022104204U CN213614017U CN 213614017 U CN213614017 U CN 213614017U CN 202022104204 U CN202022104204 U CN 202022104204U CN 213614017 U CN213614017 U CN 213614017U
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- continuous casting
- molten steel
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- 238000009749 continuous casting Methods 0.000 title claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 238000003756 stirring Methods 0.000 claims abstract description 27
- 230000005284 excitation Effects 0.000 claims abstract description 16
- 238000004804 winding Methods 0.000 claims abstract description 16
- 230000005499 meniscus Effects 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 23
- 238000009434 installation Methods 0.000 claims 7
- 238000005266 casting Methods 0.000 abstract description 11
- 239000013078 crystal Substances 0.000 abstract description 3
- 239000013049 sediment Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 239000002893 slag Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a high casting speed conticaster electromagnetism metallurgical equipment, including braking inductor and stirring inductor, the braking inductor is located the top of stirring inductor, be provided with the first excitation winding that is used for producing fixed magnetic field in the braking inductor, the direction of flow of the magnetic field direction perpendicular to molten steel of first excitation winding, be provided with the second excitation winding that is used for producing rotating magnetic field in the stirring inductor, the direction of flow of the magnetic field direction perpendicular to molten steel of second excitation winding. The utility model discloses have electromagnetic braking and electromagnetic stirring's function, make the molten steel of square round billet under the condition of high pulling speed, reduce the book sediment of crystallizer meniscus, improve the isometric crystal rate of casting blank, improve the metallurgical quality of casting blank.
Description
Technical Field
The utility model relates to a continuous casting electromagnetism metallurgical technology field particularly, relates to a high casting speed conticaster electromagnetism metallurgical equipment.
Background
With the development of the steel industry, on the premise of ensuring the quality of steel products, in order to improve the efficiency, the improvement of the drawing speed of square and round billets is a main direction for further showing the technical advantages of steel continuous casting. When the drawing speed of the square and round billet is improved, certain influence is exerted on the quality of the casting billet. The meniscus of the square and round billet crystallizer has the condition of slag entrapment under the condition of high pulling speed, and the isometric crystal rate of the casting blank is low, so that the surface quality of the casting blank is influenced.
An effective solution to the problems in the related art has not been proposed yet.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned technical problem among the correlation technique, the utility model provides a high casting speed conticaster electromagnetism metallurgical equipment can solve above-mentioned problem.
In order to achieve the technical purpose, the technical scheme of the utility model is realized as follows:
the utility model provides a high casting speed conticaster electromagnetism metallurgical equipment, includes braking inductor and stirring inductor, the braking inductor is located the top of stirring inductor, be provided with the first excitation winding that is used for producing fixed magnetic field in the braking inductor, the magnetic field direction perpendicular to molten steel flow direction of first excitation winding, be provided with the second excitation winding that is used for producing rotating magnetic field in the stirring inductor, the magnetic field direction perpendicular to molten steel flow direction of second excitation winding.
Further, the brake inductor includes a first core and a first coil disposed on the first core.
Furthermore, a pair of first magnetic poles is arranged on the first iron core, and the first coil is arranged on the magnetic poles.
Further, the stirring inductor comprises a second iron core and a second coil arranged on the second iron core.
Furthermore, at least two pairs of second magnetic poles are arranged on the second iron core, and the second coil is arranged on the second magnetic poles.
Further, the first iron core is circular.
Further, the second iron core is circular.
Further, the braking sensor is located at the meniscus of the molten steel.
Furthermore, the first coil is connected with a first wiring terminal, and the first wiring terminal is connected with a direct current power supply.
Furthermore, the second coil is connected with a second wiring terminal, and the second wiring terminal is connected with an alternating current power supply.
The utility model has the advantages that:
1. the utility model discloses be provided with the braking inductor, the direct current magnetic field that the braking inductor produced produces electromagnetic braking force on the molten steel of high pulling speed, can reduce the velocity of flow of molten steel to the fluctuation of control liquid crystallizer meniscus reduces the volume sediment of molten steel.
2. The utility model discloses be provided with the stirring inductor, the stirring inductor produces alternating current magnetic field, stirs the molten steel to improve the isometric crystal rate of casting blank, thereby improve the metallurgical effect of casting blank.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a practical application diagram of the electromagnetic metallurgical equipment of the high-pulling-speed continuous casting machine of the utility model;
FIG. 2 is a front view of an electromagnetic metallurgical equipment of a high-pulling-speed continuous casting machine of the present invention;
FIG. 3 is a perspective view of the brake inductor of the electromagnetic metallurgical equipment of the high-pulling-speed continuous casting machine of the present invention;
FIG. 4 is a front view of the brake sensor of the electromagnetic metallurgical equipment of the high-pulling-speed continuous casting machine of the present invention;
FIG. 5 is a top view of the brake sensor of the electromagnetic metallurgical equipment of the high-pulling-speed continuous casting machine of the present invention;
FIG. 6 is a perspective view of the stirring inductor of the electromagnetic metallurgical equipment of the high-pulling-speed continuous casting machine of the present invention;
FIG. 7 is a front view of the stirring inductor of the electromagnetic metallurgical equipment of the high-pulling-speed continuous casting machine of the present invention;
FIG. 8 is a top view of the stirring inductor of the electromagnetic metallurgical equipment of the high-pulling-speed continuous casting machine of the present invention;
FIG. 9 is an electromagnetic braking schematic diagram of a braking inductor of the electromagnetic metallurgical equipment of the high-pulling-speed continuous casting machine of the present invention;
fig. 10 is the electromagnetic stirring principle diagram of the stirring inductor of the electromagnetic metallurgical equipment of the high-pulling-speed continuous casting machine of the utility model.
In the figure: 1. a crystallizer; 2. a brake sensor; 21. a first iron core; 211. a first magnetic pole; 22. a first coil; 3. a stirring sensor; 31. a second iron core; 311. a second magnetic pole; 32. a second coil; 4. a meniscus; 5. a housing; 6. leading out a cable; 7. and a terminal.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art all belong to the protection scope of the present invention.
As shown in fig. 1-8, according to the embodiment of the utility model provides a high pulling speed conticaster electromagnetism metallurgical equipment, including braking inductor 2 and stirring inductor 3, braking inductor 2 is located stirring inductor 3's top, be provided with the first excitation winding that is used for producing fixed magnetic field in the braking inductor 2, the magnetic field direction perpendicular to molten steel's flow direction of first excitation winding, be provided with the second excitation winding that is used for producing rotating magnetic field in the stirring inductor 3, the magnetic field direction perpendicular to molten steel's flow direction of second excitation winding.
In one embodiment of the present invention, the braking inductor 2 includes a first iron core 21 and a first coil 22 disposed on the first iron core 21.
In an embodiment of the present invention, a pair of first magnetic poles 211 is disposed on the first iron core 21, and the first coil 22 is disposed on the magnetic poles 211.
In a specific embodiment of the present invention, the stirring inductor 3 includes a second iron core 31 and a second coil 32 disposed on the second iron core 31.
In a specific embodiment of the present invention, at least two pairs of second magnetic poles 311 are disposed on the second iron core 31, and the second coil 32 is disposed on the second magnetic poles 311.
In one embodiment of the present invention, the first iron core 21 is circular.
In one embodiment of the present invention, the second core 31 is circular.
In a particular embodiment of the invention, the braking sensor 2 is located at the meniscus of the molten steel.
In one embodiment of the present invention, the first coil 22 is connected to a first connection terminal, and the first connection terminal is connected to a dc power supply.
In one embodiment of the present invention, the second coil 32 is connected to a second connection terminal, and the second connection terminal is connected to an ac power source.
For the convenience of understanding the above technical solutions of the present invention, the above technical solutions of the present invention are explained in detail through specific use modes below.
When specifically using, according to the utility model discloses a high pulling speed conticaster electromagnetism metallurgical equipment, as shown in fig. 9, brake inductor 2 produces the direct current magnetic field, when liquid high-speed molten steel flows from the top down with speed V, the magnetic field passes liquid molten steel, direct current magnetic field is from the directional S utmost point of N utmost point, be equivalent to the molten steel with high-speed vertical cutting direct current magnetic field, there is the conductivity because of the molten steel, consequently, induced-current J has been produced, the direction of induced-current is perpendicular with direct current magnetic field' S direction, accord with the right-hand rule, this induced-current and direct current magnetic field interact, produce the electromagnetic force on liquid mobile molten steel, mutually perpendicular, accord with the left-hand rule. And the direction of the electromagnetic force is opposite to the direction of the flow velocity of the molten steel, so that the molten steel flow is braked.
The stirring inductor 3 generates an alternating current magnetic field, if the moving direction and speed are V (counterclockwise), the magnetic field of the inductor at a certain moment is as shown in figure 10, the magnetic field penetrates through the liquid molten steel, the magnetic field points to the S pole from the N pole, the molten steel rotates clockwise relative to the magnetic field, which is equivalent to that the molten steel cuts the magnetic field clockwise, and because the molten steel has electric conductivity, an induced current J is generated, the direction of the induced current is vertical to the direction of the magnetic field and accords with the right-hand rule, the induced current interacts with the magnetic field, and electromagnetic force is generated on the liquid flowing molten steel and is vertical to each other and accords with the left-hand rule. The direction of the electromagnetic force is the same as that of the rotating magnetic field, and the liquid molten steel rotates under the action of the electromagnetic force.
When molten steel is under the action of the direct-current magnetic field of the braking inductor 2, eddy current can be generated in the molten steel, the eddy current generates braking force under the action of the direct-current magnetic field, and the braking force is opposite to the flowing direction of the molten steel, so that the flowing of the molten steel is reduced, the fluctuation of a meniscus of a crystallizer is reduced, and slag entrapment is reduced.
When molten steel is under the action of the alternating magnetic field of the stirring inductor 3, eddy current can be generated in the molten steel, and the eddy current generates rotating force under the action of the alternating magnetic field, so that the molten steel is used for rotating.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a high drawing speed conticaster electromagnetism metallurgical equipment, its characterized in that, includes braking inductor (2) and stirring inductor (3), braking inductor (2) are located the top of stirring inductor (3), be provided with the first excitation winding that is used for producing fixed magnetic field in braking inductor (2), the magnetic field direction perpendicular to molten steel flow direction of first excitation winding, be provided with the second excitation winding that is used for producing rotating magnetic field in stirring inductor (3), the magnetic field direction perpendicular to molten steel flow direction of second excitation winding.
2. The electromagnetic metallurgical installation of a high-casting-speed continuous casting machine according to claim 1, characterized in that the braking inductor (2) comprises a first iron core (21) and a first coil (22) arranged on the first iron core (21).
3. The electromagnetic metallurgical plant of claim 2, wherein the first iron core (21) is provided with a pair of first magnetic poles (211), and the first coil (22) is provided on the magnetic poles (211).
4. The electromagnetic metallurgical installation of the high-casting-speed continuous casting machine according to claim 1, characterized in that the stirring inductor (3) comprises a second iron core (31) and a second coil (32) arranged on the second iron core (31).
5. The electromagnetic metallurgical installation of the high-casting-speed continuous casting machine according to claim 4, wherein the second iron core (31) is provided with at least two pairs of second magnetic poles (311), and the second coil (32) is provided on the second magnetic poles (311).
6. The electromagnetic metallurgical installation of a high-casting-speed continuous casting machine according to claim 2, characterized in that the first iron core (21) is circular.
7. The electromagnetic metallurgical installation of the high-casting-speed continuous casting machine according to claim 4, characterized in that the second iron core (31) is circular.
8. The electromagnetic metallurgical installation of a high-casting-speed continuous casting machine according to claim 1, characterized in that the braking inductor (2) is located at the meniscus of the molten steel.
9. The electromagnetic metallurgical equipment of the high-pulling-speed continuous casting machine according to claim 2, wherein a first connecting terminal is connected to the first coil (22), and the first connecting terminal is connected to a direct-current power supply.
10. The electromagnetic metallurgical installation of the high-casting-speed continuous casting machine according to claim 4, characterized in that a second connection terminal is connected to the second coil (32), and the second connection terminal is connected to an alternating current power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022104204.3U CN213614017U (en) | 2020-09-23 | 2020-09-23 | Electromagnetic metallurgical equipment of high-pulling-speed continuous casting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022104204.3U CN213614017U (en) | 2020-09-23 | 2020-09-23 | Electromagnetic metallurgical equipment of high-pulling-speed continuous casting machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213614017U true CN213614017U (en) | 2021-07-06 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022104204.3U Active CN213614017U (en) | 2020-09-23 | 2020-09-23 | Electromagnetic metallurgical equipment of high-pulling-speed continuous casting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213614017U (en) |
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2020
- 2020-09-23 CN CN202022104204.3U patent/CN213614017U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of electromagnetic metallurgical equipment for high-speed continuous casting machine Effective date of registration: 20220818 Granted publication date: 20210706 Pledgee: Bank of Beijing Limited by Share Ltd. Changsha branch Pledgor: HUNAN KEMEIDA ELECTRIC Co.,Ltd. Registration number: Y2022430000073 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231101 Granted publication date: 20210706 Pledgee: Bank of Beijing Limited by Share Ltd. Changsha branch Pledgor: HUNAN KEMEIDA ELECTRIC Co.,Ltd. Registration number: Y2022430000073 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An Electromagnetic Metallurgical Equipment for High Drawing Speed Continuous Casting Machine Effective date of registration: 20231107 Granted publication date: 20210706 Pledgee: Bank of Beijing Limited by Share Ltd. Changsha branch Pledgor: HUNAN KEMEIDA ELECTRIC Co.,Ltd. Registration number: Y2023980064165 |