Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Alumina hollow sphere brick and preparation method thereof
The invention discloses an aluminum oxide hollow sphere brick which comprises the following raw material components in percentage by weight: 15-25% of aluminum oxide hollow spheres with the particle size of 2-3mm, 25-35% of aluminum oxide hollow spheres with the particle size of 1-1.9 mm, 10-15% of aluminum oxide hollow spheres with the particle size of 0.2-0.9 mm, 20-25% of 200-mesh white corundum, 10-15% of 2000-mesh a-Al2O3 and 1.5-2% of an organic binding agent. The preparation method comprises the following steps: S1, preparing an organic binding agent and water into an aqueous solution for later use; s2, adding the aluminum oxide hollow balls into a stirrer, and uniformly stirring; s3, adding the aqueous solution prepared in the step S1 into the stirrer, and continuously stirring, so that the particle surfaces of the aluminum oxide hollow spheres are fully infiltrated by the aqueous solution; s4, white corundum of 200 meshes and a-Al2O3 of 2000 meshes are added into the stirrer in the step S3 for continuous stirring; and S5, performing firing molding on the mixture stirred in the step S4. High purity and strength of the finished brick are guaranteed through combination of high-purity raw materials and superfine powder and high-temperature firing, and downstream products cannot be polluted in the long-term use process in a strong reducing atmosphere.
本发明公开了一种氧化铝空心球砖，按重量百分数计，包括以下原料组分：粒径为2‑3mm的氧化铝空心球15‑25%、粒径为1‑1.9mm的氧化铝空心球25‑35%、粒径为0.2‑0.9mm的氧化铝空心球10‑15%、200目的白刚玉20‑25%、2000目的a‑Al2O310‑15%、有机结合剂1.5‑2%。制备方法包括以下步骤：S1、将有机结合剂与水配制成水溶液备用；S2、氧化铝空心球加入搅拌机中搅拌均匀；S3、将S1步骤制备的水溶液加入搅拌机中继续搅拌，使氧化铝空心球的颗粒表面被水溶液充分浸润；S4、将200目的白刚玉和2000目的a‑Al2O3加入到S3步骤的搅拌机中继续搅拌；S5、将S4步骤搅拌后的物理烧制成型。通过高纯的原料、超细粉的结合和高温烧成保证成品砖的高的纯度和强度，在强还原气氛中长期使用过程中不会对下游产品造成污染。
Alumina hollow sphere brick and preparation method thereof
The invention discloses an aluminum oxide hollow sphere brick which comprises the following raw material components in percentage by weight: 15-25% of aluminum oxide hollow spheres with the particle size of 2-3mm, 25-35% of aluminum oxide hollow spheres with the particle size of 1-1.9 mm, 10-15% of aluminum oxide hollow spheres with the particle size of 0.2-0.9 mm, 20-25% of 200-mesh white corundum, 10-15% of 2000-mesh a-Al2O3 and 1.5-2% of an organic binding agent. The preparation method comprises the following steps: S1, preparing an organic binding agent and water into an aqueous solution for later use; s2, adding the aluminum oxide hollow balls into a stirrer, and uniformly stirring; s3, adding the aqueous solution prepared in the step S1 into the stirrer, and continuously stirring, so that the particle surfaces of the aluminum oxide hollow spheres are fully infiltrated by the aqueous solution; s4, white corundum of 200 meshes and a-Al2O3 of 2000 meshes are added into the stirrer in the step S3 for continuous stirring; and S5, performing firing molding on the mixture stirred in the step S4. High purity and strength of the finished brick are guaranteed through combination of high-purity raw materials and superfine powder and high-temperature firing, and downstream products cannot be polluted in the long-term use process in a strong reducing atmosphere.
本发明公开了一种氧化铝空心球砖，按重量百分数计，包括以下原料组分：粒径为2‑3mm的氧化铝空心球15‑25%、粒径为1‑1.9mm的氧化铝空心球25‑35%、粒径为0.2‑0.9mm的氧化铝空心球10‑15%、200目的白刚玉20‑25%、2000目的a‑Al2O310‑15%、有机结合剂1.5‑2%。制备方法包括以下步骤：S1、将有机结合剂与水配制成水溶液备用；S2、氧化铝空心球加入搅拌机中搅拌均匀；S3、将S1步骤制备的水溶液加入搅拌机中继续搅拌，使氧化铝空心球的颗粒表面被水溶液充分浸润；S4、将200目的白刚玉和2000目的a‑Al2O3加入到S3步骤的搅拌机中继续搅拌；S5、将S4步骤搅拌后的物理烧制成型。通过高纯的原料、超细粉的结合和高温烧成保证成品砖的高的纯度和强度，在强还原气氛中长期使用过程中不会对下游产品造成污染。
Alumina hollow sphere brick and preparation method thereof
一种氧化铝空心球砖及其制备方法
ZHANG KE (Autor:in) / ZHANG HONGWEI (Autor:in) / TIAN WEICHAO (Autor:in)
19.04.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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