Spiral stirring and purging silicon nitride raw material mixer and mixing method thereof

• Main Authors: LIU BIAO, TANG NA, XIAO LI, XIE SHANSUI, ZHU FULIN
• Format: Patent
• Language: Chinese; English
• Published: 15.03.2024
• 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 relates to the technical field of silicon nitride preparation, in particular to a spiral stirring and purging silicon nitride raw material mixer and a mixing method thereof.The spiral stirring and purging silicon nitride raw material mixer comprises a support, a mixing barrel is fixedly installed on the support, and a storage barrel is fixed to the end of the mixing barrel; the hollow rod is rotationally mounted in the mixing barrel, and a rotating sleeve is fixed on the hollow rod; the air supply pipes are fixed on the outer wall of the hollow rod and are circumferentially distributed at equal intervals, the air supply pipes are communicated with the hollow rod, and a synchronous feeding mechanism connected with the air supply pipes and the hollow rod is arranged in the mixing barrel; the driving mechanism is arranged on the bracket and is connected with the rotating sleeve; the rotating speed regulation and control assembly is arranged in the mixing barrel and is connected with the driving mec