Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Low-cost preparation method of sintered microcrystalline corundum sand raw material
The invention discloses a low-cost preparation method of a sintered microcrystalline corundum sand raw material, which belongs to the technical field of industrial ceramic preparation and is characterized by comprising the following steps: taking low-sodium microcrystalline alumina powder as a main material, a sintering aid as an auxiliary material, water as a dispersion medium and high-purity alumina balls as a grinding medium; adding a composite grinding aid according to (0.5-1%) of the total amount of a solid phase in a ball mill and sand mill combined mode under the condition of normal temperature, and grinding the mixture to a certain fineness to prepare slurry; carrying out vacuum treatment on the ground slurry, and drying to prepare a material cake; and crushing the material cake into sand, and sintering into the microcrystalline corundum sand by adopting a low-temperature slow sintering process. The preparation method has the beneficial effects that the prepared sintering aid and high-purity alumina balls adopt a low-temperature slow-burning process, and a ball mill and a sand mill are combined, so that the wear resistance, the self-sharpening property and the cutting capacity of the prepared micro-crystallized emery grains are greatly improved, complicated special equipment is not needed, and no pollution is caused to the environment.
本发明公开了一种烧结微晶刚玉砂原料的低成本制备方法，属于工业陶瓷制备技术领域，其特征在于包括以下步骤：以低钠微晶氧化铝粉料为主料，以烧结助剂为辅料，以水为分散介质，以高纯氧化铝球为研磨介质；在常温条件下，以球磨机与砂磨机联用的方式，并按照固相总量的(0.5‑1％)添加复合助磨剂，将混合料研磨至一定的细度制成料浆；磨细的料浆真空处理后，烘干制成料饼；将料饼破碎成砂，然后采用低温慢烧工艺烧成微晶刚玉砂。本发明的有益效果是：制备的烧结助剂和高纯氧化铝球，采用低温慢烧工艺，借助了球磨机与砂磨机联用，制备的微晶化的刚玉砂晶粒的耐磨性、自锐性以及切削能力都大幅度提高，不需要复杂的特殊设备，对环境无污染。
Low-cost preparation method of sintered microcrystalline corundum sand raw material
The invention discloses a low-cost preparation method of a sintered microcrystalline corundum sand raw material, which belongs to the technical field of industrial ceramic preparation and is characterized by comprising the following steps: taking low-sodium microcrystalline alumina powder as a main material, a sintering aid as an auxiliary material, water as a dispersion medium and high-purity alumina balls as a grinding medium; adding a composite grinding aid according to (0.5-1%) of the total amount of a solid phase in a ball mill and sand mill combined mode under the condition of normal temperature, and grinding the mixture to a certain fineness to prepare slurry; carrying out vacuum treatment on the ground slurry, and drying to prepare a material cake; and crushing the material cake into sand, and sintering into the microcrystalline corundum sand by adopting a low-temperature slow sintering process. The preparation method has the beneficial effects that the prepared sintering aid and high-purity alumina balls adopt a low-temperature slow-burning process, and a ball mill and a sand mill are combined, so that the wear resistance, the self-sharpening property and the cutting capacity of the prepared micro-crystallized emery grains are greatly improved, complicated special equipment is not needed, and no pollution is caused to the environment.
本发明公开了一种烧结微晶刚玉砂原料的低成本制备方法，属于工业陶瓷制备技术领域，其特征在于包括以下步骤：以低钠微晶氧化铝粉料为主料，以烧结助剂为辅料，以水为分散介质，以高纯氧化铝球为研磨介质；在常温条件下，以球磨机与砂磨机联用的方式，并按照固相总量的(0.5‑1％)添加复合助磨剂，将混合料研磨至一定的细度制成料浆；磨细的料浆真空处理后，烘干制成料饼；将料饼破碎成砂，然后采用低温慢烧工艺烧成微晶刚玉砂。本发明的有益效果是：制备的烧结助剂和高纯氧化铝球，采用低温慢烧工艺，借助了球磨机与砂磨机联用，制备的微晶化的刚玉砂晶粒的耐磨性、自锐性以及切削能力都大幅度提高，不需要复杂的特殊设备，对环境无污染。
Low-cost preparation method of sintered microcrystalline corundum sand raw material
一种烧结微晶刚玉砂原料的低成本制备方法
ZHAO SHUSONG (Autor:in)
05.12.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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