Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Iron-making blast furnace branch channel castable and preparation method thereof
The invention discloses an iron-making blast furnace branch channel castable and a preparation method thereof, and relates to the technical field of refractory materials, the castable comprises the following raw materials by mass percentage: 11-12% of 15-8 mm alumina, 13-14% of 8-5 mm alumina, 11-13% of 5-3 mm alumina, 11-12% of 3-1 mm alumina, 8-9% of 3-1 mm tabular corundum, 4-5% of 1-0 mm tabular corundum, 10-12% of 1-0 mm silicon carbide, 9-10% of 325 mesh silicon carbide, and the balance of water. The invention discloses a high-strength wear-resistant concrete, which comprises the following components in percentage by weight: 4.5 to 5.5 percent of alumina micro powder, 1.5 to 2.5 percent of silicon micro powder, 1.5 to 2 percent of high-alumina cement, 0.5 to 1 percent of rho-Al2O3, 1 to 1.5 percent of andalusite, 2 to 2.5 percent of spherical asphalt, 1.5 to 2 percent of graphite powder, 0.2 to 0.4 percent of boron carbide, 0.3 to 0.5 percent of boron nitride-silicon carbide composite powder, 1.5 to 2 percent of metal silicon powder, 0.02 to 0.04 percent of metal aluminum powder, 0.04 to 0.07 percent of organic fiber and 0.1 to 0.3 percent of water reducing agent. The prepared castable has good oxidation resistance, the use performance of the blast furnace branch ditch castable is remarkably improved, and the service life of the blast furnace branch ditch castable is remarkably prolonged.
本发明公开了一种炼铁高炉支沟浇注料及其制备方法，涉及耐火材料技术领域，其中浇注料中各原料质量百分比为：15‑8mm的矾土为11～12%，8‑5mm的矾土为13～14%，5‑3mm的矾土为11～13%，3‑1mm的矾土为11～12%，3‑1mm的板状刚玉为8～9%，1‑0mm的板状刚玉为4～5%，1‑0mm的碳化硅为10～12%，325目的碳化硅为9～10%，氧化铝微粉为4.5～5.5%，硅微粉为1.5～2.5%，高铝水泥为1.5～2%，ρ‑Al2O3为0.5～1%，红柱石为1～1.5%，球状沥青为2～2.5%，石墨粉为1.5～2%，碳化硼为0.2～0.4%，氮化硼‑碳化硅复合粉为0.3～0.5%，金属硅粉为1.5～2%，金属铝粉为0.02～0.04%，有机纤维为0.04～0.07%，减水剂为0.1～0.3%。本发明制备的浇注料具有良好的抗氧化性能，显著提高高炉支沟浇注料的使用性能和服役寿命。
Iron-making blast furnace branch channel castable and preparation method thereof
The invention discloses an iron-making blast furnace branch channel castable and a preparation method thereof, and relates to the technical field of refractory materials, the castable comprises the following raw materials by mass percentage: 11-12% of 15-8 mm alumina, 13-14% of 8-5 mm alumina, 11-13% of 5-3 mm alumina, 11-12% of 3-1 mm alumina, 8-9% of 3-1 mm tabular corundum, 4-5% of 1-0 mm tabular corundum, 10-12% of 1-0 mm silicon carbide, 9-10% of 325 mesh silicon carbide, and the balance of water. The invention discloses a high-strength wear-resistant concrete, which comprises the following components in percentage by weight: 4.5 to 5.5 percent of alumina micro powder, 1.5 to 2.5 percent of silicon micro powder, 1.5 to 2 percent of high-alumina cement, 0.5 to 1 percent of rho-Al2O3, 1 to 1.5 percent of andalusite, 2 to 2.5 percent of spherical asphalt, 1.5 to 2 percent of graphite powder, 0.2 to 0.4 percent of boron carbide, 0.3 to 0.5 percent of boron nitride-silicon carbide composite powder, 1.5 to 2 percent of metal silicon powder, 0.02 to 0.04 percent of metal aluminum powder, 0.04 to 0.07 percent of organic fiber and 0.1 to 0.3 percent of water reducing agent. The prepared castable has good oxidation resistance, the use performance of the blast furnace branch ditch castable is remarkably improved, and the service life of the blast furnace branch ditch castable is remarkably prolonged.
本发明公开了一种炼铁高炉支沟浇注料及其制备方法，涉及耐火材料技术领域，其中浇注料中各原料质量百分比为：15‑8mm的矾土为11～12%，8‑5mm的矾土为13～14%，5‑3mm的矾土为11～13%，3‑1mm的矾土为11～12%，3‑1mm的板状刚玉为8～9%，1‑0mm的板状刚玉为4～5%，1‑0mm的碳化硅为10～12%，325目的碳化硅为9～10%，氧化铝微粉为4.5～5.5%，硅微粉为1.5～2.5%，高铝水泥为1.5～2%，ρ‑Al2O3为0.5～1%，红柱石为1～1.5%，球状沥青为2～2.5%，石墨粉为1.5～2%，碳化硼为0.2～0.4%，氮化硼‑碳化硅复合粉为0.3～0.5%，金属硅粉为1.5～2%，金属铝粉为0.02～0.04%，有机纤维为0.04～0.07%，减水剂为0.1～0.3%。本发明制备的浇注料具有良好的抗氧化性能，显著提高高炉支沟浇注料的使用性能和服役寿命。
Iron-making blast furnace branch channel castable and preparation method thereof
一种炼铁高炉支沟浇注料及其制备方法
WEI ZHENGUO (Autor:in) / LI SHENGCHUN (Autor:in) / LI WEIFENG (Autor:in) / DENG MING (Autor:in) / LI YONGWEI (Autor:in) / MA SIKAI (Autor:in)
06.02.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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