Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention relates to the technical field of refractory materials, in particular to a cement-free iron runner material for a large blast furnace and a preparation method of the cement-free iron runner material. The iron runner material comprises the following raw materials in percentage by weight: 43-56.75% of compact corundum, 1-5% of white corundum, 29-34% of silicon carbide, 3-8% of alumina micro powder, 1-5% of a binding agent, 1-5% of an antioxidant, 0-10% of a sintering aid, 0.1-1% of a water reducing agent and 0.01-0.1% of an anti-explosion agent. The high-temperature breaking strength of the iron runner material can be improved, the iron runner material has better slag corrosion resistance and permeability, smaller volume expansibility and very good thermal shock resistance, the stripping resistance is improved, and the tapping amount is greatly improved.
本发明涉及耐火材料技术领域，具体是一种大型高炉用无水泥铁沟料及其制备方法。铁沟料包括按重量百分比计的以下原料：致密刚玉43～56.75％，白刚玉1～5％，碳化硅29～34％，氧化铝微粉3～8％，结合剂1～5％，抗氧化剂1～5％，助烧结剂0～10％，减水剂0.1～1％，防爆剂0.01～0.1％。本发明能够提高铁沟料的高温抗折强度，该铁沟料具有较好的抗渣侵蚀性和渗透性能，较小的体积膨胀性，热震性能非常好，抗剥落性提高，出铁量得到较大程度的提高和改善。
The invention relates to the technical field of refractory materials, in particular to a cement-free iron runner material for a large blast furnace and a preparation method of the cement-free iron runner material. The iron runner material comprises the following raw materials in percentage by weight: 43-56.75% of compact corundum, 1-5% of white corundum, 29-34% of silicon carbide, 3-8% of alumina micro powder, 1-5% of a binding agent, 1-5% of an antioxidant, 0-10% of a sintering aid, 0.1-1% of a water reducing agent and 0.01-0.1% of an anti-explosion agent. The high-temperature breaking strength of the iron runner material can be improved, the iron runner material has better slag corrosion resistance and permeability, smaller volume expansibility and very good thermal shock resistance, the stripping resistance is improved, and the tapping amount is greatly improved.
本发明涉及耐火材料技术领域，具体是一种大型高炉用无水泥铁沟料及其制备方法。铁沟料包括按重量百分比计的以下原料：致密刚玉43～56.75％，白刚玉1～5％，碳化硅29～34％，氧化铝微粉3～8％，结合剂1～5％，抗氧化剂1～5％，助烧结剂0～10％，减水剂0.1～1％，防爆剂0.01～0.1％。本发明能够提高铁沟料的高温抗折强度，该铁沟料具有较好的抗渣侵蚀性和渗透性能，较小的体积膨胀性，热震性能非常好，抗剥落性提高，出铁量得到较大程度的提高和改善。
Cement-free iron runner material for large blast furnace and preparation method of cement-free iron runner material
一种大型高炉用无水泥铁沟料及其制备方法
01.10.2021
Patent
Elektronische Ressource
Chinesisch
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