| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a method of forming a coating layer on a tundish to be satisfied in that it is hard to be peeled during a core mold release, hard to be burnt to a lined fire-resistant article, hard to pollute steel, and hard to worsen work environment during operation. <P>SOLUTION: The method of forming the coating layer on the tundish includes: (a) a step of inserting a core 3 into the tundish; (b) a step of filling a gap between a lined fire-resistant article 2 of the tundish and the core 3 with a dry type coating material 4 which contains a saccharide including monosaccharide and/or disaccharide of 2-10 mass%, and glass of 0.1-2 mass%, respectively, and the balance is mainly fire-resistant powder; and (c) a step of removing the core 3 from the tundish after heating the dry type coating material 4 at 100-400°C via the core 3. <P>COPYRIGHT: (C)2010,JPO&INPIT |
