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RU2000118818A - DEVICE FOR ELECTROMAGNETIC BRAKING OF A MELTED METAL IN A PLANT FOR CONTINUOUS CASTING AND METHOD OF ELECTROMAGNETIC BRAKING OF A LIQUID METAL - Google Patents

DEVICE FOR ELECTROMAGNETIC BRAKING OF A MELTED METAL IN A PLANT FOR CONTINUOUS CASTING AND METHOD OF ELECTROMAGNETIC BRAKING OF A LIQUID METAL

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Publication number
RU2000118818A
RU2000118818A RU2000118818/02A RU2000118818A RU2000118818A RU 2000118818 A RU2000118818 A RU 2000118818A RU 2000118818/02 A RU2000118818/02 A RU 2000118818/02A RU 2000118818 A RU2000118818 A RU 2000118818A RU 2000118818 A RU2000118818 A RU 2000118818A
Authority
RU
Russia
Prior art keywords
inductor
casting
electromagnetic
sin
windings
Prior art date
Application number
RU2000118818/02A
Other languages
Russian (ru)
Other versions
RU2212977C2 (en
Inventor
Зибо КУНСТРАЙХ
Мари-Клод НОВ
Original Assignee
Ротелек С.А.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from FR9715984A external-priority patent/FR2772294B1/en
Application filed by Ротелек С.А. filed Critical Ротелек С.А.
Publication of RU2000118818A publication Critical patent/RU2000118818A/en
Application granted granted Critical
Publication of RU2212977C2 publication Critical patent/RU2212977C2/en

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Claims (9)

1. Устройство для электромагнитного торможения расплавленного металла внутри непрерывно разливаемого изделия, содержащее источник электрического питания и связанный с ним по крайней мере один электромагнитный индуктор (1) со статором многофазного типа с перемещающимся магнитным полем, предназначенный для монтажа на литейной установке против одной из сторон изделия в процессе его разливки, причем вышеупомянутый индуктор имеет две (или три) фазовые обмотки (А, В), отличающееся тем, что вышеуказанный источник электрического питания (29) состоит из двух (соответственно трех) элементарных источников постоянного тока (8, 9), регулируемых независимо друг от друга по силе тока, и тем, что каждый из вышеуказанных элементарных источников питания соединен с одной и только с одной фазовой обмоткой (А, В) индуктора.1. A device for electromagnetic braking of molten metal inside a continuously cast product containing an electric power source and at least one electromagnetic inductor (1) connected to it with a multiphase stator with a moving magnetic field, designed for installation on a foundry installation against one of the sides of the product in the process of casting, and the aforementioned inductor has two (or three) phase windings (A, B), characterized in that the above electric power source (29) is It consists of two (respectively three) elementary DC sources (8, 9), independently regulated by current strength, and the fact that each of the above elementary power sources is connected to one and only one phase winding (A, B) inductor. 2. Устройство по п. 1, отличающееся тем, что электромагнитный индуктор (1) устанавливается на уровне кристаллизатора (12) литейной установки. 2. The device according to claim 1, characterized in that the electromagnetic inductor (1) is installed at the level of the mold (12) of the foundry installation. 3. Устройство по п. 1 или 2, отличающееся тем, что оно содержит, по меньшей мере, два электромагнитных индуктора (1), смонтированных на литейной установке один напротив другого, с обеих сторон от изделия в процессе его разливки. 3. The device according to claim 1 or 2, characterized in that it contains at least two electromagnetic inductors (1) mounted on a foundry installation opposite one another, on both sides of the product during casting. 4. Устройство по любому из пп. 1, 2 или 3, отличающееся тем, что оно содержит по меньшей мере два индуктора (1а, 1b), расположенные рядом по ширине или по длине одной из сторон в процессе его разливки. 4. The device according to any one of paragraphs. 1, 2 or 3, characterized in that it contains at least two inductors (1a, 1b) located adjacent along the width or along the length of one of the sides during its casting. 5. Устройство по любому из пп. 1-4, отличающееся тем, что оно содержит по меньшей мере один индуктор (1), смонтированный на литейной установке и имеющий проводники (2. . . 5), направленные перпендикулярно к оси разливки (X). 5. The device according to any one of paragraphs. 1-4, characterized in that it contains at least one inductor (1) mounted on a foundry installation and having conductors (2... 5) directed perpendicular to the casting axis (X). 6. Устройство по любому из пп. 1-4, отличающееся тем, что оно содержит по меньшей мере один индуктор (1), смонтированный на литейной установке и содержащий проводники (2. . . 5), ориентированные параллельно оси разливки (X). 6. The device according to any one of paragraphs. 1-4, characterized in that it contains at least one inductor (1) mounted on a foundry installation and containing conductors (2... 5) oriented parallel to the axis of the casting (X). 7. Устройство по п. 4, отличающееся тем, что оно содержит по меньшей мере три индуктора, смонтированных на литейной установке и содержащих проводники, направленные по различным направлениям от одного индуктора к другому. 7. The device according to p. 4, characterized in that it contains at least three inductors mounted on a foundry installation and containing conductors directed in different directions from one inductor to another. 8. Устройство по п. 1, отличающееся тем, что элементарные источники электропитания (8, 9) образованы единым многофазным источником питания с двумя или тремя фазами и с регулируемой частотой тока, отрегулированной на нулевую частоту. 8. The device according to claim 1, characterized in that the elementary power sources (8, 9) are formed by a single multiphase power source with two or three phases and with an adjustable frequency of the current, adjusted to zero frequency. 9. Способ электромагнитного торможения жидкого металла внутри непрерывно разливаемого изделия, согласно которому используют постоянное магнитное поле, воздействующее на жидкий металл для торможения его течения, причем вышеупомянутое поле создано устройством торможения по п. 1, с многообмоточным электромагнитным индуктором (1) со статором типа "многофазный статор с перемещающимся магнитным полем" и с элементарными источниками электрического питания (8, 9) постоянного тока, регулируемых отдельно, отличающийся тем, что, с целью регулировки в зависимости от условий литья, положения одного или нескольких магнитных полюсов вышеуказанного индуктора (1) без его перемещения осуществляют регулировку силы тока Ii, протекающего через обмотки (2. . . 5) индуктора, при помощи коэффициента φ, изменяющегося от 0 до π радиан, так, чтобы в любой момент I1= K cos φ и I2= K sin φ, в случае индуктора (1) с двумя обмотками (А, В), и I1= K sin φ, I2= K sin (φ+2π/3) и I3= К sin (φ+4π/3) в случае индуктора (1) с тремя обмотками, причем К является константой, представляющей желаемую силу торможения в месте локализации одного или нескольких магнитных полюсов индуктора (1), и максимальное значение которой ограничено максимальной силой тока, подаваемого каждым элементарным источником электропитания (8, 9).9. A method of electromagnetic braking of liquid metal inside a continuously cast product, according to which a constant magnetic field is applied that acts on the liquid metal to slow its flow, the aforementioned field being created by the braking device according to claim 1, with a multi-winding electromagnetic inductor (1) with a stator of the type " multiphase stator with a moving magnetic field "and with elementary DC power sources (8, 9), separately regulated, characterized in that, for the purpose of adjustment Depending on conditions of casting, the position of one or more of the above magnetic poles of the inductor (1) is carried out without moving the amperage adjustment I i, flowing through the windings (2.. 5) of the inductor, by a factor φ, varying from 0 to π radians, so that at any moment I 1 = K cos φ and I 2 = K sin φ, in the case of an inductor (1) with two windings (A, B), and I 1 = K sin φ, I 2 = K sin (φ + 2π / 3) and I 3 = K sin (φ + 4π / 3) in case of an inductor (1) with three windings, where K is a constant representing the desired braking force at the location of one or nesk lkih magnetic poles of the inductor (1) and a maximum value which is limited by the maximum current strength supplied by each basic power source (8, 9).
RU2000118818/02A 1997-12-17 1998-12-01 Apparatus for electromagnetic braking of melt metal in plant for continuous casting and method for electromagnetic braking of melt metal RU2212977C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9715984 1997-12-17
FR9715984A FR2772294B1 (en) 1997-12-17 1997-12-17 ELECTROMAGNETIC BRAKING EQUIPMENT OF A MOLTEN METAL IN A CONTINUOUS CASTING SYSTEM

Publications (2)

Publication Number Publication Date
RU2000118818A true RU2000118818A (en) 2002-04-20
RU2212977C2 RU2212977C2 (en) 2003-09-27

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RU2000118818/02A RU2212977C2 (en) 1997-12-17 1998-12-01 Apparatus for electromagnetic braking of melt metal in plant for continuous casting and method for electromagnetic braking of melt metal

Country Status (14)

Country Link
US (1) US6164365A (en)
EP (1) EP1039979B1 (en)
JP (1) JP3725028B2 (en)
KR (1) KR100586665B1 (en)
CN (1) CN1112264C (en)
AT (1) ATE227181T1 (en)
AU (1) AU735023B2 (en)
BR (1) BR9813655A (en)
CA (1) CA2312876C (en)
DE (1) DE69809288T2 (en)
ES (1) ES2186242T3 (en)
FR (1) FR2772294B1 (en)
RU (1) RU2212977C2 (en)
WO (1) WO1999030856A1 (en)

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