Drying method for blast furnace body
专利汇可以提供Drying method for blast furnace body专利检索，专利查询，专利分析的服务。并且PURPOSE:To reduce the relining period of a blast furnace and to prevent joint breakage by providing tubular bodies to the leading ends of tuyeres in the furnace, and packing charging materials then body bricks of the furance by feeding hot wind to the tubular bodies and separating the tubular bodies from the outside of the furnace then blowing in the furnace. CONSTITUTION:A clog-like deck 10 made of wood or iron is placed on a furnace bottom 2a, thence curved pipes 8 made of refractories are mounted to tuyeres 3, and tubular bodies 9 made of wood or iron are provided to the leading ends thereof. Next, sleepers 11 are piled up to near the positions of the tuyeres 3 on the deck 10, and raw materials 12 such as iron ore and cock are packed. Thence, hot wind of relatively low temp. is supplied from a hot stove through an annular pipe 7 and nozzles 5. The hot wind is blown to the furnace bottom 2a through the bodies 9, and is released through an iron notch 4. During this time, the bricks of a hearth furnace 2 and the mortar of the joint parts are dried. The pipes 8 are then broken by steel bars inserted through windows 5C, and the bodies 9 and the tuyeres 3 are separated. The blast furnace is blown in by feeding high temp. hot wind through the tuyeres 3.，下面是Drying method for blast furnace body专利的具体信息内容。
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