Preparation method of double-oxide nano-agglomerated spraying composite powder

• Main Authors: JIA JUNHONG, CAI LIANGCHEN, SUN HANG, GOU HAILONG, YANG LIJIA, BAI GANYU, YANG XINRAN, TIAN JIE
• Format: Patent
• Language: Chinese; English
• Published: 18.05.2021
• Subjects: CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; THEIR RELEVANT APPARATUS; TRANSPORTING

The invention discloses a preparation method of double-oxide nano-agglomerated spraying composite powder, and the method comprises the following steps of: respectively ball-milling molybdenum oxide original powder and bismuth oxide original powder with anhydrous ethanol to obtain ball-milled molybdenum oxide slurry and ball-milled bismuth oxide slurry; drying and sieving the ball-milled molybdenum oxide slurry and the ball-milled bismuth oxide slurry to obtain ball-milled molybdenum oxide powder and ball-milled bismuth oxide powder, and mixing the ball-milled molybdenum oxide powder with the ball-milled bismuth oxide powder to obtain mixed powder; mixing 25%-40% by weight of the mixed powder, 55%-70% by weight of deionized water, 1%-2% by weight of a binder, 1%-2% by weight of a dispersant and 1%-2% by weight of an antifoaming agent, and heating and uniformly stirring the substances to obtain a mixed slurry; carrying out spray drying granulation on the mixed slurry to obtain granulated powder; and subjecting