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Hafnium silicate powder and preparation method thereof
The invention discloses hafnium silicate powder and a preparation method thereof, and belongs to the technical field of compound synthesis. The preparation method of the hafnium silicate powder provided by the invention comprises the following steps: adding a soluble silicic acid compound aqueous solution into a soluble hafnium compound aqueous solution, adjusting the pH value of the system to 2-4, and continuously stirring until a transparent gelatinous substance appears to obtain a gel mixture; adjusting the pH value of the gel mixture to 7, carrying out a hydrothermal reaction, and cooling, washing, filtering and collecting the reaction product to obtain hafnium silicate particles; the preparation method comprises the following steps: crushing hafnium silicate particles, uniformly mixing the crushed hafnium silicate particles with an adhesive and a suspending agent, and then carrying out ball milling granulation and flash evaporation to obtain hafnium silicate powder; the hafnium silicate powder obtained by adopting the technical scheme is uniform in particle size distribution and high in purity and yield; meanwhile, by adopting the preparation method disclosed by the invention, the difficulty of ball-milling granulation can be reduced, so that the production cost is reduced, and the production efficiency is improved.
本发明公开了一种硅酸铪粉体及其制备方法，属于化合物合成技术领域；本发明提供的硅酸铪粉体的制备方法包括以下步骤：将可溶性硅酸化合物水溶液加入至可溶性铪化合物水溶液中，调节体系的pH值为2‑4并持续搅拌至出现透明凝胶状物质，得到凝胶混合物；调节凝胶混合物的pH值为7后进行水热反应，反应产物经过冷却、洗涤、过滤、收集处理，得到硅酸铪颗粒；粉碎硅酸铪颗粒后，将其与黏性剂和悬浮剂混合均匀，随后球磨造粒、闪蒸，得到硅酸铪粉体；采用本发明技术方案得到的硅酸铪粉体粒度分布均匀，纯度和收率高；同时，采用本发明的制备方法可以降低球磨造粒的难度，从而降低生产成本、提升生产效率。
Hafnium silicate powder and preparation method thereof
The invention discloses hafnium silicate powder and a preparation method thereof, and belongs to the technical field of compound synthesis. The preparation method of the hafnium silicate powder provided by the invention comprises the following steps: adding a soluble silicic acid compound aqueous solution into a soluble hafnium compound aqueous solution, adjusting the pH value of the system to 2-4, and continuously stirring until a transparent gelatinous substance appears to obtain a gel mixture; adjusting the pH value of the gel mixture to 7, carrying out a hydrothermal reaction, and cooling, washing, filtering and collecting the reaction product to obtain hafnium silicate particles; the preparation method comprises the following steps: crushing hafnium silicate particles, uniformly mixing the crushed hafnium silicate particles with an adhesive and a suspending agent, and then carrying out ball milling granulation and flash evaporation to obtain hafnium silicate powder; the hafnium silicate powder obtained by adopting the technical scheme is uniform in particle size distribution and high in purity and yield; meanwhile, by adopting the preparation method disclosed by the invention, the difficulty of ball-milling granulation can be reduced, so that the production cost is reduced, and the production efficiency is improved.
本发明公开了一种硅酸铪粉体及其制备方法，属于化合物合成技术领域；本发明提供的硅酸铪粉体的制备方法包括以下步骤：将可溶性硅酸化合物水溶液加入至可溶性铪化合物水溶液中，调节体系的pH值为2‑4并持续搅拌至出现透明凝胶状物质，得到凝胶混合物；调节凝胶混合物的pH值为7后进行水热反应，反应产物经过冷却、洗涤、过滤、收集处理，得到硅酸铪颗粒；粉碎硅酸铪颗粒后，将其与黏性剂和悬浮剂混合均匀，随后球磨造粒、闪蒸，得到硅酸铪粉体；采用本发明技术方案得到的硅酸铪粉体粒度分布均匀，纯度和收率高；同时，采用本发明的制备方法可以降低球磨造粒的难度，从而降低生产成本、提升生产效率。
Hafnium silicate powder and preparation method thereof
一种硅酸铪粉体及其制备方法
ZHONG MINGLONG (author)
2023-10-27
Patent
Electronic Resource
Chinese
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