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Large blast furnace single-taphole tapping stemming
The invention relates to the technical field of ironmaking auxiliary refractory materials, and particularly discloses a large blast furnace single-taphole tapping stemming which comprises the following raw materials in parts by weight: 20-30 parts of brown fused alumina aggregate, 10-20 parts of silicon carbide, 6-15 parts of clay, 10-20 parts of a composite carbon material, 5-15 parts of ferro-silicon nitride, 5-8 parts of aluminum oxide micro powder, 4-6 parts of kyanite, 2-7 parts of a sintering agent and 10-15 parts of a binding agent. The preparation method has the advantage that the rapid sintering performance of the stemming is improved.
本申请涉及炼铁辅助耐火材料技术领域，具体公开了一种大高炉单铁口出铁炮泥，包括以下重量份的原料：棕刚玉骨料20～30份、碳化硅10～20份、粘土6～15份、复合碳素材料10～20份、氮化硅铁5～15份、氧化铝微粉5～8份、蓝晶石4～6份、烧结剂2～7份、结合剂10～15份。本申请具有提高炮泥的快速烧结性能的优点。
Large blast furnace single-taphole tapping stemming
The invention relates to the technical field of ironmaking auxiliary refractory materials, and particularly discloses a large blast furnace single-taphole tapping stemming which comprises the following raw materials in parts by weight: 20-30 parts of brown fused alumina aggregate, 10-20 parts of silicon carbide, 6-15 parts of clay, 10-20 parts of a composite carbon material, 5-15 parts of ferro-silicon nitride, 5-8 parts of aluminum oxide micro powder, 4-6 parts of kyanite, 2-7 parts of a sintering agent and 10-15 parts of a binding agent. The preparation method has the advantage that the rapid sintering performance of the stemming is improved.
本申请涉及炼铁辅助耐火材料技术领域，具体公开了一种大高炉单铁口出铁炮泥，包括以下重量份的原料：棕刚玉骨料20～30份、碳化硅10～20份、粘土6～15份、复合碳素材料10～20份、氮化硅铁5～15份、氧化铝微粉5～8份、蓝晶石4～6份、烧结剂2～7份、结合剂10～15份。本申请具有提高炮泥的快速烧结性能的优点。
Large blast furnace single-taphole tapping stemming
一种大高炉单铁口出铁炮泥
WANG XIAOJUN (author) / YANG LIN (author) / ZHANG JUNBO (author)
2022-05-06
Patent
Electronic Resource
Chinese
Novel stemming for blast furnace taphole and preparation method thereof
| European Patent Office | 2024
| European Patent Office | 2020