Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Alumina hollow sphere brick with excellent erosion resistance and preparation method thereof
The invention discloses an aluminum oxide hollow sphere brick with excellent erosion resistance. The aluminum oxide hollow sphere brick comprises the following components in percentage by weight: 50-70 wt% of aluminum oxide hollow spheres, 5-10 wt% of 325-mesh fused white corundum fine powder, 5-10 wt% of calcined aluminum oxide micro powder, 15-25 wt% of petalite, 0-5 wt% of kaolin and a binding agent accounting for 5-8 wt% of the total mass of the raw materials. The invention further discloses a preparation method of the aluminum oxide hollow sphere brick. The preparation method comprises the following steps: (1) putting various raw materials and the binding agent into a high-speed stirrer according to the mass percent, and uniformly mixing; (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 1200-1300 DEG C. The aluminum oxide hollow sphere brick prepared by the method is low in sintering temperature and has excellent erosion resistance and thermal shock resistance.
本发明公开了一种具有极好抗侵蚀性的氧化铝空心球砖，包括如下重量百分比的组分：氧化铝空心球50～70wt％、325目电熔白刚玉细粉5～10wt％、煅烧氧化铝微粉5～10wt％、透锂长石15～25wt％、高岭土0～5wt％，以及占以上原料总质量5～8wt％的结合剂。本发明还公开了上述氧化铝空心球砖的制备方法，包括：1）将各种原料及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1200～1300℃条件下保温4～8h，制得。本发明制备的氧化铝空心球砖烧结温度低，具有极好的抗侵蚀性和抗热震性。
Alumina hollow sphere brick with excellent erosion resistance and preparation method thereof
The invention discloses an aluminum oxide hollow sphere brick with excellent erosion resistance. The aluminum oxide hollow sphere brick comprises the following components in percentage by weight: 50-70 wt% of aluminum oxide hollow spheres, 5-10 wt% of 325-mesh fused white corundum fine powder, 5-10 wt% of calcined aluminum oxide micro powder, 15-25 wt% of petalite, 0-5 wt% of kaolin and a binding agent accounting for 5-8 wt% of the total mass of the raw materials. The invention further discloses a preparation method of the aluminum oxide hollow sphere brick. The preparation method comprises the following steps: (1) putting various raw materials and the binding agent into a high-speed stirrer according to the mass percent, and uniformly mixing; (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 1200-1300 DEG C. The aluminum oxide hollow sphere brick prepared by the method is low in sintering temperature and has excellent erosion resistance and thermal shock resistance.
本发明公开了一种具有极好抗侵蚀性的氧化铝空心球砖，包括如下重量百分比的组分：氧化铝空心球50～70wt％、325目电熔白刚玉细粉5～10wt％、煅烧氧化铝微粉5～10wt％、透锂长石15～25wt％、高岭土0～5wt％，以及占以上原料总质量5～8wt％的结合剂。本发明还公开了上述氧化铝空心球砖的制备方法，包括：1）将各种原料及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1200～1300℃条件下保温4～8h，制得。本发明制备的氧化铝空心球砖烧结温度低，具有极好的抗侵蚀性和抗热震性。
Alumina hollow sphere brick with excellent erosion resistance and preparation method thereof
一种具有极好抗侵蚀性的氧化铝空心球砖及其制备方法
PAN JIANHUA (Autor:in)
14.03.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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