JPS642771A - Molten steel flowing apparatus - Google Patents
Molten steel flowing apparatusInfo
- Publication number
- JPS642771A JPS642771A JP15442887A JP15442887A JPS642771A JP S642771 A JPS642771 A JP S642771A JP 15442887 A JP15442887 A JP 15442887A JP 15442887 A JP15442887 A JP 15442887A JP S642771 A JPS642771 A JP S642771A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- intensity
- shifting magnetic
- molten metal
- metal surface
- 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.)
- Pending
Links
Landscapes
- Continuous Casting (AREA)
Abstract
PURPOSE: To execute suitable variation of molten metal surface by adjusting change of direction of shifting magnetic field and intensity of the shifting magnetic field separately to plural pairs of shifting magnetic field generators and working molten steel flowing device according to intensity of discharging flow from right and left discharging holes in a submerged nozzle.
CONSTITUTION: In case the intensity of the discharging flow 31 is to restrain caused by large variation of the molten metal surface, the direction of the shifting magnetic field is made to the direction showing with the blanked arrow mark 50 as reversing to the discharging flow 31 direction by a phase sequence converter 42. At the some time, the intensity of the shifting magnetic field is adjusted in accordance with the variation of molten metal surface by the current controller 43, to make the suitable variation of the molten metal surface. In case the intensity of the discharging flow 31 is to increase, the direction of the blanked arrow mark 50 may be changed to the reversed direction. In case some drift current develops, as two pairs of the shifting magnetic field generators 41 arranged at side faces of a mold can separately adjust the intensity and the direction of the shifting magnetic field, the discharging flow from the right and left discharging holes 22 in the submerged nozzle 21 is uniformized and the drift current is caused. By this method, enclosure of mold powder 33 caused by abnormal variation of the molten metal surface and the surface cracking are prevented.
COPYRIGHT: (C)1989,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62-154428A JPH012771A (en) | 1987-06-23 | Molten steel flow equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62-154428A JPH012771A (en) | 1987-06-23 | Molten steel flow equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS642771A true JPS642771A (en) | 1989-01-06 |
| JPH012771A JPH012771A (en) | 1989-01-06 |
Family
ID=
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0538559A (en) * | 1991-08-01 | 1993-02-19 | Nippon Steel Corp | Method and device for electromagnetic stirring in duplex continuous caster |
| JPH06604A (en) * | 1992-06-18 | 1994-01-11 | Nippon Steel Corp | Controller for flow of molten steel in continuous casting mold |
| CN112105469A (en) * | 2018-07-17 | 2020-12-18 | 日本制铁株式会社 | Mold apparatus and continuous casting method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0538559A (en) * | 1991-08-01 | 1993-02-19 | Nippon Steel Corp | Method and device for electromagnetic stirring in duplex continuous caster |
| JPH06604A (en) * | 1992-06-18 | 1994-01-11 | Nippon Steel Corp | Controller for flow of molten steel in continuous casting mold |
| CN112105469A (en) * | 2018-07-17 | 2020-12-18 | 日本制铁株式会社 | Mold apparatus and continuous casting method |
| CN112105469B (en) * | 2018-07-17 | 2022-04-15 | 日本制铁株式会社 | Mold apparatus and continuous casting method |
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