Preparation system and method for external seed crystal index optimization

• Main Authors: ZHU YAN, JIN SANLIANG, HU HAIJUN, LU HUIJUN
• Format: Patent
• Language: Chinese; English
• Published: 12.04.2022
• Subjects: CHEMISTRY; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F; INORGANIC CHEMISTRY; METALLURGY

The invention discloses a preparation system and a preparation method for external seed crystal index optimization, belongs to the technical field of titanium dioxide preparation, solves the problems of low titanium alkali content and to-be-improved titanium dioxide quality in the prior art, and comprises a titaniferous solution preheater which is connected with an alkali liquor preheater and a seed crystal preparation tank, the seed crystal preparation tank is connected with a hydrolysis tank, the titaniferous solution preheater, the alkali liquor preheater and the hydrolysis tank are connected with a steam washing system, and the titaniferous solution preheater is connected with the hydrolysis tank, so that the technical effects of improving the stability of the hydrolyzed seed crystal and controlling the alkali-titanium ratio and the quality of a finished product are achieved. 本发明公开了一种外加晶种指标优化的制备系统及方法，属于钛白粉制备技术领域，解决了传统技术中钛碱比较低、钛白粉质量有待提高的问题，其包括钛液预热器，所述钛液预热器连接有碱液预热器和晶种制备槽，所述晶种制备槽连接有水解槽，所述钛液预热器、碱液预热器、水解槽、连接有蒸