Lithium recycling system for waste lithium ion battery

• Main Authors: CHEN DIANHUA, ZHENG TIEJIANG, TANG YI, CAO SHENGPING, JIANG GUOQIANG, MA JUNHUA
• Format: Patent
• Language: Chinese; English
• Published: 07.12.2021
• Subjects: BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM,RUBIDIUM, CAESIUM, OR FRANCIUM; ELECTRICITY; INORGANIC CHEMISTRY; METALLURGY; PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY

The utility model discloses a lithium recycling system for waste lithium ion batteries, which comprises a vacuum calcining furnace and filter presses, the filter presses comprise a filter press I and a filter press II, a water immersion kettle is connected between the vacuum calcining furnace and the filter press I, a lithium settling tank is connected between the filter press I and the filter press II, and the water immersion kettle and the lithium settling tank are connected through a water pump. And the filter press II is connected with a drying system. The lithium recovery system has the advantages of simple system, convenience in operation, high lithium recovery rate and high purity of recovered lithium. 本实用新型公开了一种废旧锂离子电池锂回收利用系统，包括真空煅烧炉和压滤机，所述压滤机包括压滤机一和压滤机二，所述真空煅烧炉与压滤机一之间连接有水浸釜，所述压滤机一和压滤机二之间连接有沉锂槽，所述压滤机二上连接有烘干系统。本实用新型的优点在于：系统简单、操作方便、锂回收率高、回收锂的纯度高。