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专利号:ZL200620075402.9专利权人:上海梅山钢铁股份有限公司发明(设计)人:严昌龙李小松本实用新型涉及一种堵塞高炉进风口小套的耐火材料件,特别涉及一种堵塞高炉风口小套的耐火芯。主要解决传统的散状不定型耐火料堵塞风口会自动吹开或黏结严重的技术问题。本实用新型的技术方案:一种用于堵塞高炉风口小套的耐火芯,为截头圆锥状,耐火芯的长度为70~100 mm;耐火芯上
Patent (Attorney): Shanghai Meishan Iron & Steel Co., Ltd. Inventor: Yan Changlong Li Xiaosong The utility model relates to a small block of the blast furnace air inlet refractory parts, in particular, relates to a block blast furnace tuyere small Set of refractory core. The main solution to the traditional bulk amorphous refractory plugging tuyere will automatically blow or bond serious technical problems. The technical scheme of the utility model is that a refractory core used for blocking a small set of blast furnace tuyeres is frustoconical, the length of the refractory core is 70-100 mm; the refractory core