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发明授权
CN106278315B 一种中频感应炉用捣打料及其制备方法 有权 转让

一种中频感应炉用捣打料及其制备方法
摘要：
本发明涉及一种中频感应炉用捣打料及其制备方法。其技术方案是：以58~74wt%的电熔刚玉、6~18wt%的板状刚玉、8~16wt%的电熔镁砂、2~9wt%的α‑Al2O3微粉、1~3wt%的乳酸铝和1~6wt%的乳酸镁为原料，混合均匀，即得中频感应炉用捣打料。其中：乳酸铝和乳酸镁的粒度小于0.18mm；电熔刚玉的粒度为0.088~5mm，电熔刚玉的Al2O3含量为94~99.5wt%；所述板状刚玉的粒度为0.044~1mm；所述电熔镁砂的粒度为0.044~1mm，电熔镁砂的MgO≥95wt%；所述混合是在混合机中混合，混合时间为10~25min。本发明具有工艺简单和环境友好的特点；所制备的中频感应炉用捣打料耐火度高、抗侵蚀性好、抗冲刷性强和使用寿命长。
摘要（英）：

The invention relates to ramming mass for a medium-frequency induction furnace and a preparing method thereof. According to the technical scheme, 58-74 wt% of fused corundum, 6-18 wt% of tabular corundum, 8-16 wt% of fused magnesite, 2-9 wt% of alpha-Al2O3 micro powder, 1-3 wt% of aluminum lactate and 1-6 wt% of magnesium lactate are used as raw materials and mixed uniformly to obtain the ramming mass for the medium-frequency induction furnace, wherein the particle size of aluminum lactate and magnesium lactate is smaller than 0.18 mm, the particle size of fused corundum is 0.088-5 mm, and the content of Al2O3 of the fused corundum is 94-99.5 wt%; the particle size of tabular corundum is 0.044-1 mm, the particle size of the fused magnesite is 0.044-1 mm, and the content of MgO of fused magnesite is larger than or equal to 95 wt%; the raw materials are mixed in a mixer for 10-25 min. The preparing method has the advantages of being simple in process and environmentally friendly. The prepared ramming mass for the medium-frequency induction furnace is high in refractoriness, erosion resistance and scouring resistance and long in service life.

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