JPS5611133A - Arc-type heating apparatus for molten steel contained in ladle - Google Patents
Arc-type heating apparatus for molten steel contained in ladleInfo
- Publication number
- JPS5611133A JPS5611133A JP8759779A JP8759779A JPS5611133A JP S5611133 A JPS5611133 A JP S5611133A JP 8759779 A JP8759779 A JP 8759779A JP 8759779 A JP8759779 A JP 8759779A JP S5611133 A JPS5611133 A JP S5611133A
- Authority
- JP
- Japan
- Prior art keywords
- molten steel
- temp
- electrodes
- ladle
- ceiling
- 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
Abstract
PURPOSE: To make it possible to raise the temp. of molten steel by heating it while following the change of the molten steel level after the start of discharge, by providing a control means for the ascent and the descent of electrodes inserted into the ladle through the ceiling and a temp.-measuring means for the molten steel contained in the ladle.
CONSTITUTION: The accepted molten steel contained in a ladle 1, which is covered with ceiling 2, is kept at a rescribed temp. by energizing electrodes 3 inserted through the opening made in the ceiling 2. The temp. of the molten steel is measured by a temp.-measuring means 12. When the discharge of the molten steel is started and the arc length 10 at the top end of the electrodes 3 changes, the electrodes 3 are lowered by a control means 5 for the electrodes 3. When the molten steel level approaches the refractory material 18 at the bottom of the ladle, the length of the descending stroke of the electrodes 3 is read from the revolution of a drum 9 and warning for lowering limit 17 is given to a selsyn 8. The lowering limit 17 is set previously at a position which is a prescribed distance (t) above the lower limit-setting rest 16. Hence the pouring temp. is uniformalized and the clogging of the nozzle at the last stage of discharge of the molten steel is prevented.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8759779A JPS5611133A (en) | 1979-07-11 | 1979-07-11 | Arc-type heating apparatus for molten steel contained in ladle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8759779A JPS5611133A (en) | 1979-07-11 | 1979-07-11 | Arc-type heating apparatus for molten steel contained in ladle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5611133A true JPS5611133A (en) | 1981-02-04 |
Family
ID=13919395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8759779A Pending JPS5611133A (en) | 1979-07-11 | 1979-07-11 | Arc-type heating apparatus for molten steel contained in ladle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5611133A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0166868A2 (en) * | 1984-07-04 | 1986-01-08 | Krupp Stahl AG | Method of and installation for metallurgical after-treatment of premelted steel |
| JP2007206016A (en) * | 2006-02-06 | 2007-08-16 | Railway Technical Res Inst | Dropping device |
| KR101189121B1 (en) | 2010-07-22 | 2012-10-10 | 주식회사 우진 | Ladle preheating system |
-
1979
- 1979-07-11 JP JP8759779A patent/JPS5611133A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0166868A2 (en) * | 1984-07-04 | 1986-01-08 | Krupp Stahl AG | Method of and installation for metallurgical after-treatment of premelted steel |
| JP2007206016A (en) * | 2006-02-06 | 2007-08-16 | Railway Technical Res Inst | Dropping device |
| KR101189121B1 (en) | 2010-07-22 | 2012-10-10 | 주식회사 우진 | Ladle preheating system |
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