JPS6410311B2 - - Google Patents
Info
- Publication number
- JPS6410311B2 JPS6410311B2 JP2500985A JP2500985A JPS6410311B2 JP S6410311 B2 JPS6410311 B2 JP S6410311B2 JP 2500985 A JP2500985 A JP 2500985A JP 2500985 A JP2500985 A JP 2500985A JP S6410311 B2 JPS6410311 B2 JP S6410311B2
- Authority
- JP
- Japan
- Prior art keywords
- casing
- plate
- core
- stirring device
- magnetic flux
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/10—Supplying or treating molten metal
- B22D11/11—Treating the molten metal
- B22D11/114—Treating the molten metal by using agitating or vibrating means
- B22D11/115—Treating the molten metal by using agitating or vibrating means by using magnetic fields
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
Description
【発明の詳細な説明】
「産業上の利用分野」
本発明は、連続鋳造設備等に設けられ、溶融金
属（溶鋼）を電磁力によつて撹拌する電磁撹拌装
置に関する。DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention relates to an electromagnetic stirring device that is installed in continuous casting equipment or the like and stirs molten metal (molten steel) using electromagnetic force.
「従来の技術」
近年、連続鋳造設備においては、製品の高品質
化及び成分の均一化を図るために溶鋼を撹拌しな
がら鋳造する手法が用いられている。この場合、
溶鋼の撹拌装置としては、従来の機械的な装置に
代えて、電磁力によつて溶鋼を撹拌する電磁撹拌
装置が用いられ効果を上げている。この種の電磁
撹拌装置は、発生する移動磁界の種類から回転磁
界形とリニア形とに分類することができる。ここ
で、特に、リニア形電磁撹拌装置の基本構造を示
せば第２図の通りである。この図において、２は
複数の極２ａ，２ａ…を有するコアであり、４は
各極２ａ，２ａ…に設けられたコイルである。そ
して、コイル４に交流電流を供給すると、図に矢
印で示す方向の移動磁界を発生するようになつて
おり、この移動磁界を溶鋼に加えて電磁誘導作用
を及ぼすことにより、溶鋼自身に推力を与え、こ
れにより溶鋼を撹拌するようになつている。"Prior Art" In recent years, in continuous casting equipment, a method of casting molten steel while stirring has been used in order to improve the quality of products and make the components uniform. in this case,
As a stirring device for molten steel, an electromagnetic stirring device that stirs molten steel using electromagnetic force has been used to great effect in place of conventional mechanical devices. This type of electromagnetic stirring device can be classified into rotating magnetic field type and linear type based on the type of moving magnetic field generated. In particular, the basic structure of a linear electromagnetic stirring device is shown in FIG. 2. In this figure, 2 is a core having a plurality of poles 2a, 2a..., and 4 is a coil provided at each pole 2a, 2a.... When an alternating current is supplied to the coil 4, a moving magnetic field is generated in the direction shown by the arrow in the figure.By adding this moving magnetic field to the molten steel and exerting an electromagnetic induction effect, a thrust force is applied to the molten steel itself. This stirs the molten steel.
「発明が解決しようとする問題点」
ところで、従来、上述した電磁撹拌装置を連続
鋳造設備に設ける場合、第３図に示すように、ス
テンレスの板体６ａ，６ｂ，６ｃによつて構成さ
れたケーシング６内に収納した上で、溶鋼Ｍの近
傍に設置していた。しかしながら、ケーシング６
の全面が磁性体であるステンレスの板体６ａ，６
ｂ，６ｃによつて構成されているため、図に点線
矢印で示すように、コイル４によつて発生した磁
束が通過する板体６ａから板体６ｂ、そしてコア
２が取り付けられた板体６ｃを磁束帰路として順
次磁束φが導かれ、この際、各板体６ａ，６ｂ，
６ｃ内に発生する渦電流によつてケーシング６自
体が発熱してしまい、周囲へ悪影響を及ぼしたり
熱損失により撹拌効率が低下してしまうという問
題があつた。"Problems to be Solved by the Invention" Conventionally, when the above-mentioned electromagnetic stirring device is installed in continuous casting equipment, as shown in FIG. It was housed in a casing 6 and placed near the molten steel M. However, casing 6
Stainless steel plates 6a, 6 whose entire surfaces are magnetic
b, 6c, as shown by the dotted arrow in the figure, the magnetic flux generated by the coil 4 passes through the plates 6a to 6b, and the plate 6c to which the core 2 is attached. The magnetic flux φ is sequentially guided as the magnetic flux return path, and at this time, each plate 6a, 6b,
The eddy current generated in the casing 6c causes the casing 6 itself to generate heat, which has an adverse effect on the surroundings and reduces stirring efficiency due to heat loss.
本発明は上述した事情に鑑みてなされたもの
で、渦電流に起因して生じるケーシング発熱を最
小限に抑えることができる電磁撹拌装置を提供す
ることを目的としている。 The present invention has been made in view of the above-mentioned circumstances, and an object of the present invention is to provide an electromagnetic stirring device that can minimize casing heat generation caused by eddy currents.
「問題点を解決するための手段」
本発明は、コアと、このコアに巻回された撹拌
用コイルとをケーシング内に収納してなる電磁撹
拌装置において、前記ケーシングを構成する各板
体の内、前記コイルによつて発生した磁束が通過
する板体と前記コアが取り付けられた板体との間
を連結する板体を絶縁板によつて構成したことを
特徴としている。"Means for Solving the Problems" The present invention provides an electromagnetic stirring device in which a core and a stirring coil wound around the core are housed in a casing. Among these, the plate body connecting the plate body through which the magnetic flux generated by the coil passes and the plate body to which the core is attached is constituted by an insulating plate.
「作用」
ケーシングを磁束帰路とする磁束が最小限に抑
えられ、これにより、渦電流の発生が抑えられて
ケーシングの発熱が最小限に抑えられる。"Operation" The magnetic flux that uses the casing as a magnetic flux return path is minimized, thereby suppressing the generation of eddy currents and minimizing heat generation in the casing.
「実施例」
以下、図面を参照し、本発明の一実施例につい
て説明する。"Embodiment" Hereinafter, an embodiment of the present invention will be described with reference to the drawings.
第１図は本発明の一実施例の構成を示す断面図
であり、この図において、第３図に示した従来の
電磁撹拌装置と異なる点は、ステンレス製の板体
６ｂに代えて、ベークライト等によつて構成され
た絶縁板１０を設けた点であり、この絶縁板１０
によつて、コイル４で発生した磁束が通過する板
体６ａとコア２が取り付けられた板体６ｃとの間
を相互に連結し、これにより、ケーシング１２を
構成している。 FIG. 1 is a sectional view showing the configuration of an embodiment of the present invention. In this diagram, the difference from the conventional electromagnetic stirring device shown in FIG. The insulating plate 10 is provided with an insulating plate 10 composed of
This interconnects the plate 6a through which the magnetic flux generated by the coil 4 passes and the plate 6c to which the core 2 is attached, thereby forming the casing 12.
このような構成において、コイル４によつて発
生した磁束が板体６ａを通過しても、絶縁板１０
における磁束の通過が抑止されるため、板体６ｃ
へ導かれる磁束量は極めて少なくなる。この結
果、渦電流の発生が減少し、ケーシング１２の発
熱が低く抑えられる。 In such a configuration, even if the magnetic flux generated by the coil 4 passes through the plate 6a, the insulating plate 10
Since the passage of magnetic flux in the plate body 6c is suppressed,
The amount of magnetic flux guided to becomes extremely small. As a result, the generation of eddy currents is reduced, and the heat generation of the casing 12 is suppressed.
「発明の効果」
以上説明したように、本発明によれば、コア
と、このコアに巻回された撹拌用コイルとをケー
シング内に収納してなる電磁撹拌装置において、
前記ケーシングを構成する各板体の内、前記コイ
ルによつて発生した磁束が通過する板体と前記コ
アが取り付けられた板体との間を連結する板体を
絶縁板によつて構成したので、ケーシングを磁束
帰路とする磁束が最小限に抑えられ、この結果、
渦電流の発生が抑えられ、ケーシングの発熱を最
小限に抑えることができる効果を得ることができ
る。"Effects of the Invention" As explained above, according to the present invention, in an electromagnetic stirring device in which a core and a stirring coil wound around the core are housed in a casing,
Among the plates constituting the casing, the plate connecting the plate through which the magnetic flux generated by the coil passes and the plate to which the core is attached is constituted by an insulating plate. , the magnetic flux with the casing as the flux return path is minimized, and as a result,
The generation of eddy currents is suppressed, and the effect of minimizing heat generation in the casing can be obtained.
第１図は本発明の一実施例の構成を示す断面
図、第２図は従来の電磁撹拌装置の基本構成を説
明するための斜視図、第３図は従来の電磁撹拌装
置の設置例を説明するための図である。
２…コア、４…コイル、６ａ，６ｂ…板体、１
０…絶縁板、１２…ケーシング。
Fig. 1 is a sectional view showing the configuration of an embodiment of the present invention, Fig. 2 is a perspective view illustrating the basic structure of a conventional electromagnetic stirring device, and Fig. 3 is an installation example of a conventional electromagnetic stirring device. It is a figure for explaining. 2...core, 4...coil, 6a, 6b...plate, 1
0...Insulating plate, 12...Casing.
Claims (1)
とをケーシング内に収納してなる電磁撹拌装置に
おいて、前記ケーシングを構成する各板体の内、
前記コイルによつて発生した磁束が通過する板体
と前記コアが取り付けられた板体との間を連結す
る板体を絶縁板によつて構成したことを特徴とす
る電磁撹拌装置。1. In an electromagnetic stirring device in which a core and a stirring coil wound around the core are housed in a casing, among the plates constituting the casing,
An electromagnetic stirring device characterized in that a plate connecting a plate through which the magnetic flux generated by the coil passes and a plate to which the core is attached is constituted by an insulating plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2500985A JPS61182859A (en) | 1985-02-12 | 1985-02-12 | Electromagnetic stirrer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2500985A JPS61182859A (en) | 1985-02-12 | 1985-02-12 | Electromagnetic stirrer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61182859A JPS61182859A (en) | 1986-08-15 |
| JPS6410311B2 true JPS6410311B2 (en) | 1989-02-21 |
Family
ID=12153928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2500985A Granted JPS61182859A (en) | 1985-02-12 | 1985-02-12 | Electromagnetic stirrer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61182859A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090021336A1 (en) * | 2002-12-16 | 2009-01-22 | Energetics Technologies, Llc | Inductor for the excitation of polyharmonic rotating magnetic fields |
| JP5402793B2 (en) * | 2010-04-02 | 2014-01-29 | 新日鐵住金株式会社 | Electromagnetic stirrer for continuous casting |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59171860U (en) * | 1983-05-02 | 1984-11-16 | 株式会社神戸製鋼所 | Continuous casting machine electromagnetic stirring device |
-
1985
- 1985-02-12 JP JP2500985A patent/JPS61182859A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61182859A (en) | 1986-08-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4500142A (en) | Magnetic suspension device of a rotor placed in a sealed enclosure | |
| DK0412858T3 (en) | Electric motor stator and electric motor comprising such a stator | |
| DK0588478T3 (en) | Electric stepper motor | |
| EP0063162B1 (en) | Induction motor | |
| JPS63274335A (en) | Armature coil | |
| US3534203A (en) | Linear and rotary magnetic motors | |
| JPS6410311B2 (en) | ||
| US4166261A (en) | Electromagnet having a movable armature and a plurality of energizing sources | |
| ES8601559A1 (en) | Core structure for electromagnetic devices | |
| JP4279647B2 (en) | Electromagnetic field line shielding mechanism | |
| JP3166902B2 (en) | Induction hardening equipment | |
| US4211943A (en) | Linear induction motor | |
| JP2526819B2 (en) | Linear motor | |
| US4390941A (en) | Static magnetic frequency multiplies | |
| JPH05111229A (en) | Device for converting electrical energy to mechanical energy | |
| JPH11288813A (en) | Permanent magnet magnetization method | |
| JPH05103457A (en) | Linear motor | |
| KR860007049A (en) | Electronic Stirring Device in Continuous Casting Equipment | |
| JPS6241583Y2 (en) | ||
| JP2813385B2 (en) | Magnetic levitation device for molten metal | |
| JPS6237423Y2 (en) | ||
| JPS61199559A (en) | Electromagnetic stirrer in continuous casting installation | |
| JPS627385Y2 (en) | ||
| JPS5754718A (en) | Method of avoiding resonance of rotor supported by mangetic bearing | |
| CA1166422A (en) | Mold stator for electromagnetic stirring |