Device and method for continuously preparing bis(trifluoromethanesulfonyl)imide lithium

• Main Authors: SHANG HONGTAO, SUN QIULI, YUE LIPING, LIN KUN, YUAN RUILING, LI BINGYUAN, LI HONGLIN, LUO JIANZHI, ZHENG QIUYAN, LYU LINGHUA
• Format: Patent
• Language: Chinese; English
• Published: 23.03.2021
• Subjects: ACYCLIC OR CARBOCYCLIC COMPOUNDS; CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; THEIR RELEVANT APPARATUS; TRANSPORTING

The invention relates to a device and a method for continuously preparing bis(trifluoromethanesulfonyl)imide lithium, which belongs to the technical field of bis(trifluoromethanesulfonyl)imide lithiumpreparation. The device comprises a powder storage tank, a powder conveying mechanism, a multifunctional reactor, a bis(trifluoromethanesulfonyl)imide acid storage tank, a high-purity water storage tank, a bis(trifluoromethanesulfonyl)imide lithium solution storage tank, a feeding pump and spray drying equipment, raw materials are added into the multifunctional reactor through the raw material storage tanks, and all the raw materials are mixed and react in the multifunctional reactor; and spray drying treatment is then carried out to obtain product powder. The device disclosed by the invention is less in equipment, capable of realizing continuous production and high in safety, the quality stability of a product is improved, the operation efficiency of the equipment is improved, and the production cost is effectiv