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    • 6. 发明专利
    • Electromagnetic coil device usable for both electromagnetic stirring and electromagnetic brake
    • 电磁线圈装置可用于两个电磁搅拌和电磁制动
    • JP2009119517A
    • 2009-06-04
    • JP2007298486
    • 2007-11-16
    • Sumitomo Metal Ind Ltd住友金属工業株式会社
    • OKADA NOBUHIROTAKATANI KOJIKAWAMOTO MASAYUKI
    • B22D11/115B22D11/04B22D11/11
    • B22D11/115F16D2121/20H01F7/20H01F13/00H01F27/306
    • PROBLEM TO BE SOLVED: To materialize the optimum dimensions of an iron core in an electromagnetic coil usable for both an electromagnetic stirring and an electromagnetic brake.
      SOLUTION: Disclosed is an electromagnetic coil device for continuous casting to steel where direct current or alternating current having three or more phases is made to flow through an electromagnetic coil arranged at the outer circumference of the long side 3b in a mold, and an electromagnetic brake or an electromagnetic stirring is selectively acted on molten steel 2. In the electromagnetic coil, two teeth parts 21a are projectingly provided from a yoke part 21b. Outside windings 23 are applied to the further outsides of the two teeth parts 21a with inside windings 22 applied thereto. The length L of each teeth part 21a is controlled to ≥2 times the width W of the teeth part 21a, or/and the thickness Y of the yoke part 21b is controlled to ≥2 times the width W of the teeth part 21a. The electromagnetic coils are arranged by n pieces (n is a natural number of ≥2) per long side 3b, and magnetic core parts 21 are arranged in the range of the vertical direction including the discharge hole 1a of an immersion nozzle 1 from a meniscus position. Sufficient stirring capacity and brake capacity can be secured while attaining power-saving and lightening.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:实现可用于电磁搅拌和电磁制动的电磁线圈中的铁芯的最佳尺寸。 解决方案:公开了一种用于连续铸钢的电磁线圈装置,其中具有三相或更多相的直流或交流电流流过设置在模具中的长边3b的外周的电磁线圈,以及 电磁制动器或电磁搅拌被选择性地作用在钢水2上。在电磁线圈中,两个齿部21a从轭部21b突出地设置。 外部绕组23被施加到两个齿部21a的另外的外侧,内部绕组22被施加到其上。 每个齿部21a的长度L被控制为齿部21a的宽度W的≥2倍,或/和轭部21b的厚度Y被控制为齿部21a的宽度W的≥2倍。 电磁线圈由长边3b的n个(n为≥2的自然数)排列,磁芯部21在包括浸没喷嘴1的排出孔1a的垂直方向的范围内配置有弯液面 位置。 在节能减轻的同时,可以确保足够的搅拌能力和制动能力。 版权所有(C)2009,JPO&INPIT