Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention discloses aluminum nitride ceramic granulation powder and a preparation method thereof. The invention relates to a high-temperature-resistant coating which comprises the following components in percentage by weight: 3 to 5 weight percent of Y2O3 powder, 0.1 to 0.5 weight percent of Al2O3 powder, 30 to 50 weight percent of AlN powder with oxygen content of less than 0.8 percent, 0.1 to 0.2 weight percent of fish oil, 2 to 4 weight percent of polyvinyl butyral resin, 1 to 3 weight percent of acrylic resin, 0.1 to 0.3 weight percent of organic silicon polyether and 40 to 50 weight percent of anhydrous alcohol solvent. By designing the reasonable solid-liquid proportion, it is guaranteed that mixed slurry has proper viscosity, when the slurry is atomized in the centrifugal atomizer, the rotating disc can make the slurry have corresponding kinetic energy, and fog drops with the liquid drop diameter meeting the requirement are formed. Appropriate temperatures are set at the air inlet and the air outlet of the drying tower, so that the temperature is not too low or too high when fog drops are dried, the fog drops are uniformly dried from outside to inside in the falling process, and regular spherical particles are formed.
本发明公开了一种氮化铝陶瓷造粒粉及其制备方法。其重量百分比组分为3～5wt％的Y2O3粉体、0.1～0.5wt％的Al2O3粉体、30～50wt％的氧含量＜0.8％的AlN粉体、0.1～0.2wt％的鱼油、2～4wt％的聚乙烯醇缩丁醛树脂、1～3wt％的丙烯酸树脂、0.1～0.3wt％的有机硅聚醚、40～50wt％的无水酒精溶剂。本发明通过设计合理的固液比例，保证混合浆料具有合适的粘度，在离心雾化器中雾化时，转盘可以使料浆具备相应的动能，形成液滴直径符合要求的雾滴。在干燥塔进风口、出风口处设置合适的温度，保证雾滴干燥时温度不会过低或过高，保证雾滴在下落过程中从外而内均匀干燥，形成规则球状颗粒。
The invention discloses aluminum nitride ceramic granulation powder and a preparation method thereof. The invention relates to a high-temperature-resistant coating which comprises the following components in percentage by weight: 3 to 5 weight percent of Y2O3 powder, 0.1 to 0.5 weight percent of Al2O3 powder, 30 to 50 weight percent of AlN powder with oxygen content of less than 0.8 percent, 0.1 to 0.2 weight percent of fish oil, 2 to 4 weight percent of polyvinyl butyral resin, 1 to 3 weight percent of acrylic resin, 0.1 to 0.3 weight percent of organic silicon polyether and 40 to 50 weight percent of anhydrous alcohol solvent. By designing the reasonable solid-liquid proportion, it is guaranteed that mixed slurry has proper viscosity, when the slurry is atomized in the centrifugal atomizer, the rotating disc can make the slurry have corresponding kinetic energy, and fog drops with the liquid drop diameter meeting the requirement are formed. Appropriate temperatures are set at the air inlet and the air outlet of the drying tower, so that the temperature is not too low or too high when fog drops are dried, the fog drops are uniformly dried from outside to inside in the falling process, and regular spherical particles are formed.
本发明公开了一种氮化铝陶瓷造粒粉及其制备方法。其重量百分比组分为3～5wt％的Y2O3粉体、0.1～0.5wt％的Al2O3粉体、30～50wt％的氧含量＜0.8％的AlN粉体、0.1～0.2wt％的鱼油、2～4wt％的聚乙烯醇缩丁醛树脂、1～3wt％的丙烯酸树脂、0.1～0.3wt％的有机硅聚醚、40～50wt％的无水酒精溶剂。本发明通过设计合理的固液比例，保证混合浆料具有合适的粘度，在离心雾化器中雾化时，转盘可以使料浆具备相应的动能，形成液滴直径符合要求的雾滴。在干燥塔进风口、出风口处设置合适的温度，保证雾滴干燥时温度不会过低或过高，保证雾滴在下落过程中从外而内均匀干燥，形成规则球状颗粒。
Aluminum nitride ceramic granulation powder and preparation method thereof
一种氮化铝陶瓷造粒粉及其制备方法
13.06.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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