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Acid-corrosion-resistant long-life refractory brick for Ausmelt furnace and preparation method of acid-corrosion-resistant long-life refractory brick
The invention provides an acid-corrosion-resistant long-life refractory brick for an Ausmelt furnace and a preparation method of the acid-corrosion-resistant long-life refractory brick. The acid-corrosion-resistant long-life refractory brick for the Ausmelt furnace is prepared from the following components in percentage by weight: 9-15% of fused compact corundum with the particle size of 5-3mm, 10-15% of magnesia-alumina spinel, 10-15% of fused magnesia, 10-15% of zirconia, 10-15% of ultrafine alumina powder and the balance of a binding agent, the particle size is 3-1mm, and the content is 33-41%; the particle size is 1 to 0.074 mm, and the content is 4 to 10 percent; the particle size is less than 0.074 mm, 18-27%; 6-12% of magnesium aluminate spinel with a particle size of 1-0.074 mm; the particle size is less than 0.074 mm, 3-9%; 4-8% of fused magnesite; 3-6% of zirconia powder; 1-5% of alumina ultrafine powder; and 3-5% of an additional binding agent. According to the acid-corrosion-resistant long-life refractory brick for the Ausmelt furnace, provided by the embodiment of the invention, suitable raw materials are selected, scientific grain composition is adopted, the acid-corrosion-resistant long-life refractory brick for the Ausmelt furnace is prepared, and the refractory brick has relatively good twisting resistance and wear resistance under a high-temperature condition; meanwhile, the refractory brick has higher compression strength and high-temperature-resistant strength, the service life is prolonged by 1-3 times compared with an existing refractory brick, the service life is long, energy is saved, and economic benefits and social benefits are prominent.
本申请提供了一种奥斯麦特炉用抗酸蚀长寿耐火砖及其制备方法，由电熔致密刚玉、镁铝尖晶石、电熔镁砂、氧化锆、氧化铝超细粉、结合剂按如下百分比配置而成：电熔致密刚玉：粒度5‑3mm，9‑15％；粒度3‑1mm，33‑41％；粒度1‑0.074mm，4‑10％；粒度＜0.074mm，18‑27％；镁铝尖晶石：粒度1‑0.074mm，6‑12％；粒度＜0.074mm，3‑9％；电熔镁砂4‑8％；氧化锆粉3‑6％；氧化铝超细粉1‑5％；外加结合剂3‑5％。本申请实施例提供的奥斯麦特炉用抗酸蚀长寿耐火砖，选择适合的原材料，采用科学的颗粒级配，制备出一种奥斯麦特炉用抗酸蚀长寿耐火砖，该耐火砖在高温条件下具有较好的抗扭折性能和耐磨性能能，同时又具有较高的耐压强度和耐高温强度，相比于现用耐火砖使用寿命提高了1‑3倍，长寿节能，经济效益和社会效益突出。
Acid-corrosion-resistant long-life refractory brick for Ausmelt furnace and preparation method of acid-corrosion-resistant long-life refractory brick
The invention provides an acid-corrosion-resistant long-life refractory brick for an Ausmelt furnace and a preparation method of the acid-corrosion-resistant long-life refractory brick. The acid-corrosion-resistant long-life refractory brick for the Ausmelt furnace is prepared from the following components in percentage by weight: 9-15% of fused compact corundum with the particle size of 5-3mm, 10-15% of magnesia-alumina spinel, 10-15% of fused magnesia, 10-15% of zirconia, 10-15% of ultrafine alumina powder and the balance of a binding agent, the particle size is 3-1mm, and the content is 33-41%; the particle size is 1 to 0.074 mm, and the content is 4 to 10 percent; the particle size is less than 0.074 mm, 18-27%; 6-12% of magnesium aluminate spinel with a particle size of 1-0.074 mm; the particle size is less than 0.074 mm, 3-9%; 4-8% of fused magnesite; 3-6% of zirconia powder; 1-5% of alumina ultrafine powder; and 3-5% of an additional binding agent. According to the acid-corrosion-resistant long-life refractory brick for the Ausmelt furnace, provided by the embodiment of the invention, suitable raw materials are selected, scientific grain composition is adopted, the acid-corrosion-resistant long-life refractory brick for the Ausmelt furnace is prepared, and the refractory brick has relatively good twisting resistance and wear resistance under a high-temperature condition; meanwhile, the refractory brick has higher compression strength and high-temperature-resistant strength, the service life is prolonged by 1-3 times compared with an existing refractory brick, the service life is long, energy is saved, and economic benefits and social benefits are prominent.
本申请提供了一种奥斯麦特炉用抗酸蚀长寿耐火砖及其制备方法，由电熔致密刚玉、镁铝尖晶石、电熔镁砂、氧化锆、氧化铝超细粉、结合剂按如下百分比配置而成：电熔致密刚玉：粒度5‑3mm，9‑15％；粒度3‑1mm，33‑41％；粒度1‑0.074mm，4‑10％；粒度＜0.074mm，18‑27％；镁铝尖晶石：粒度1‑0.074mm，6‑12％；粒度＜0.074mm，3‑9％；电熔镁砂4‑8％；氧化锆粉3‑6％；氧化铝超细粉1‑5％；外加结合剂3‑5％。本申请实施例提供的奥斯麦特炉用抗酸蚀长寿耐火砖，选择适合的原材料，采用科学的颗粒级配，制备出一种奥斯麦特炉用抗酸蚀长寿耐火砖，该耐火砖在高温条件下具有较好的抗扭折性能和耐磨性能能，同时又具有较高的耐压强度和耐高温强度，相比于现用耐火砖使用寿命提高了1‑3倍，长寿节能，经济效益和社会效益突出。
Acid-corrosion-resistant long-life refractory brick for Ausmelt furnace and preparation method of acid-corrosion-resistant long-life refractory brick
一种奥斯麦特炉用抗酸蚀长寿耐火砖及其制备方法
CHU KEQI (author) / CUI ZHANTAO (author) / XU XIAOYANG (author)
2022-04-08
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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