High-temperature purification system for fluoride salt in anode carbon slag

• Main Authors: YAO WENLIN, ZHAO JING
• Format: Patent
• Language: Chinese; English
• Published: 15.10.2019
• Subjects: CHEMISTRY; COMPOUNDS THEREOF; INORGANIC CHEMISTRY; METALLURGY; NON-METALLIC ELEMENTS

The utility model belongs to the technical field of electrolytic aluminum, and relates to a high-temperature purification system for fluoride salt in anode carbon slag. The system comprises a storagetank, a first crusher, a screening machine, a weighing device, an electrolytic cell, a vacuum device, a cooling tank, a second crusher and a packaging machine which are connected in sequence, and further comprises a heating device connected with the electrolytic cell. By means of the system, industrial waste residues are effectively utilized, the material recycling rate is increased, resource waste and environmental pollution are reduced, the cost is low, the safety is high, and the system is suitable for industrial popularization of fluoride salt in anode carbon residues recycled in the electrolytic aluminum industry. 本实用新型属于电解铝技术领域，涉及一种阳极碳渣中氟化盐的高温提纯系统。该系统，包括依次连接的储罐、第一破碎机、筛分机、称重装置、电解槽、真空装置、冷却罐、第二破碎机、包装机，还包括与电解槽连接的加热装置。利用本系统，使工业废渣得以有效利用，提高物料循环使用率，减少资源浪费和环境污染，成本低，安全性高，适用于电解铝行业回收阳极碳渣中氟化盐的工业化推广。