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A platform for research: civil engineering, architecture and urbanism
Lightweight high-strength alumina hollow sphere brick and preparation method thereof
The invention discloses a light high-strength aluminum oxide hollow sphere brick which comprises the following components in percentage by weight: 50-70wt% of aluminum oxide hollow spheres, 10-20wt% of calcined aluminum oxide micro powder, 10-15wt% of metal aluminum powder, 10-15wt% of ammonium aluminum carbonate and an additional binding agent which accounts for 5-8wt% of the total mass of the raw materials. The invention also provides a preparation method of the alumina hollow sphere brick. The preparation method comprises the following steps: 1) uniformly mixing the raw materials and the external binding agent in percentage by mass in a high-speed stirrer; (2) weighing the uniformly mixed materials according to the weight of a single biscuit, pouring into a mold, and molding by using a vibration molding machine; (3) naturally drying the formed biscuit for 6-12 hours, and then drying the biscuit in a drying kiln for 12-24 hours at the temperature of 100-150 DEG C, and (4) after drying, preserving heat for 4-8 hours at the temperature of 1650-1700 DEG C. According to the aluminum oxide hollow ball brick, the density of the hollow ball brick is reduced, and meanwhile, the strength of the product is improved.
本发明公开了一种轻质高强氧化铝空心球砖，包括如下重量百分比的组分：氧化铝空心球50～70wt％，煅烧氧化铝微粉10～20wt％，金属铝粉10～15wt％，碳酸铝铵10～15wt％，以及占以上原料总质量5～8wt％的外加结合剂。本发明还提供了上述氧化铝空心球砖的制备方法，包括：1）将各种原料及外加结合剂按质量百分比放入高速搅拌机中混合均匀；2）将混合均匀的物料，按素坯单个重量称重后倒入模具中，使用震动成型机成型；3）成型后的素坯自然干燥6～12小时，然后入干燥窑在100℃～150℃下进行12～24小时烘干；4）烘干后，在1650～1700℃条件下保温4～8h，制得轻质高强的氧化铝空心球砖。本发明的氧化铝空心球砖在降低空心球砖密度的同时提高了制品强度。
Lightweight high-strength alumina hollow sphere brick and preparation method thereof
The invention discloses a light high-strength aluminum oxide hollow sphere brick which comprises the following components in percentage by weight: 50-70wt% of aluminum oxide hollow spheres, 10-20wt% of calcined aluminum oxide micro powder, 10-15wt% of metal aluminum powder, 10-15wt% of ammonium aluminum carbonate and an additional binding agent which accounts for 5-8wt% of the total mass of the raw materials. The invention also provides a preparation method of the alumina hollow sphere brick. The preparation method comprises the following steps: 1) uniformly mixing the raw materials and the external binding agent in percentage by mass in a high-speed stirrer; (2) weighing the uniformly mixed materials according to the weight of a single biscuit, pouring into a mold, and molding by using a vibration molding machine; (3) naturally drying the formed biscuit for 6-12 hours, and then drying the biscuit in a drying kiln for 12-24 hours at the temperature of 100-150 DEG C, and (4) after drying, preserving heat for 4-8 hours at the temperature of 1650-1700 DEG C. According to the aluminum oxide hollow ball brick, the density of the hollow ball brick is reduced, and meanwhile, the strength of the product is improved.
本发明公开了一种轻质高强氧化铝空心球砖，包括如下重量百分比的组分：氧化铝空心球50～70wt％，煅烧氧化铝微粉10～20wt％，金属铝粉10～15wt％，碳酸铝铵10～15wt％，以及占以上原料总质量5～8wt％的外加结合剂。本发明还提供了上述氧化铝空心球砖的制备方法，包括：1）将各种原料及外加结合剂按质量百分比放入高速搅拌机中混合均匀；2）将混合均匀的物料，按素坯单个重量称重后倒入模具中，使用震动成型机成型；3）成型后的素坯自然干燥6～12小时，然后入干燥窑在100℃～150℃下进行12～24小时烘干；4）烘干后，在1650～1700℃条件下保温4～8h，制得轻质高强的氧化铝空心球砖。本发明的氧化铝空心球砖在降低空心球砖密度的同时提高了制品强度。
Lightweight high-strength alumina hollow sphere brick and preparation method thereof
一种轻质高强氧化铝空心球砖及其制备方法
PAN JIANHUA (author)
2023-03-07
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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