To prove a method for deciding whether the repair of a refractory in a molten iron ladle during operation is needed or not, that is, the continuous using for this ladle is possible or not.
This method for deciding whether the repair of the refractory in the molten iron ladle whose inner surface is protected by the refractory and in which the molten iron is repeatedly and continuously transported, is needed or not comprises steps of: measuring the iron-shell temperature of the molten iron ladle 1 just before repairing the refractory and the remaining thickness of the refractory 3, 4 beforehand and obtaining a correlation between them; measuring the iron-shell temperature of the molten iron ladle after the lapse of a prescribed time or more from the starting of use for transporting the molten iron; estimating the remaining thickness of the refractory in the molten iron ladle by collating the measured iron-shell temperature with the pre-obtained correlation; and performing the check of the refractory when the estimated remaining thickness of the refractory is equal to or less than the controlled thickness.
NISHIMURA SHINGO
KORENAGA TADANOBU
KONDO TAKU
| JPH03169474A | 1991-07-23 | |||
| JP2000167657A | 2000-06-20 | |||
| JPH0445216A | 1992-02-14 | |||
| JPH02102172A | 1990-04-13 | |||
| JP2001192719A | 2001-07-17 |
Mikio Yasuda