| 摘要 |
PURPOSE: A ladle is provided to improve life span of refractory materials with reducing working load of a worker by allowing the worker to easily disassemble the ladle. CONSTITUTION: A ladle(10) includes an iron cover(12), refractory material(13), a first refractory brick(14), dolomite refractory material(11) and a second refractory brick(15), which are sequentially aligned from an outer portion of the ladle(10). Refractory material(13) is accommodated in the iron cover(12). The first refractory brick(14) is installed at an inner portion of refractory material(13). Dolomite refractory material(11) is interposed between first and second refractory bricks(14,15). Dolomite refractory material(11) includes a refractory brick containing CaO of 30-70 weight percents. After constructing the second refractory brick(15), drying and heating processes are carried out.
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