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Preparation method of semi-graphite prebaked anode for aluminum electrolysis
The invention discloses a preparation method of a semi-graphite prebaked anode for aluminum electrolysis, which is characterized by comprising the following steps of: selecting high-purity graphite powder, a proper binder and other raw materials, mixing the graphite powder, the binder and other raw materials to obtain a uniform mixture, putting the mixture into an extruding machine, and extruding to obtain the semi-graphite prebaked anode for aluminum electrolysis. The primarily-formed anode is subjected to pre-pressing forming in a mold, so that the compactness and uniformity of the anode are further improved; compared with a conventional prebaked anode, the prebaked anode has the advantages that a more uniform mixture can be prepared through pretreatment work such as fine screening and drying of raw materials and optimization control of processes such as mixing preparation, extrusion forming and prepressing forming, and meanwhile, more appropriate extrusion pressure and extrusion speed can be adopted in the extrusion forming and prepressing forming processes, so that the production efficiency is improved. And through extrusion forming of the mold, the compactness and uniformity of the anode are further improved, so that the anode with higher uniformity can better meet the application requirements of semi-graphite aluminum electrolysis.
本发明公开了一种半石墨质铝电解用预焙阳极制备方法，其技术方案要点是：选择高纯度的石墨粉末和合适的粘结剂等原材料，将石墨粉末和粘结剂等原材料进行混合，以得到均匀的混合物，将混合物放入挤压机中，将初步成型的阳极在模具中进行预压成型，以进一步提高阳极的密实度和均匀性；相对于常规的预焙阳极本发明通过对原材料的精细筛选、干燥等预处理工作以及混合制备、挤压成型、预压成型等工艺的优化控制，能够制备出更加均匀的混合物，同时在挤压成型和预压成型工艺中，能够采用更合适的挤压压力和挤压速度，通过模具挤压成型，进一步提高阳极的密实度和均匀性，因此更高均匀性的阳极可以更好地适应半石墨质铝电解的应用需求。
Preparation method of semi-graphite prebaked anode for aluminum electrolysis
The invention discloses a preparation method of a semi-graphite prebaked anode for aluminum electrolysis, which is characterized by comprising the following steps of: selecting high-purity graphite powder, a proper binder and other raw materials, mixing the graphite powder, the binder and other raw materials to obtain a uniform mixture, putting the mixture into an extruding machine, and extruding to obtain the semi-graphite prebaked anode for aluminum electrolysis. The primarily-formed anode is subjected to pre-pressing forming in a mold, so that the compactness and uniformity of the anode are further improved; compared with a conventional prebaked anode, the prebaked anode has the advantages that a more uniform mixture can be prepared through pretreatment work such as fine screening and drying of raw materials and optimization control of processes such as mixing preparation, extrusion forming and prepressing forming, and meanwhile, more appropriate extrusion pressure and extrusion speed can be adopted in the extrusion forming and prepressing forming processes, so that the production efficiency is improved. And through extrusion forming of the mold, the compactness and uniformity of the anode are further improved, so that the anode with higher uniformity can better meet the application requirements of semi-graphite aluminum electrolysis.
本发明公开了一种半石墨质铝电解用预焙阳极制备方法，其技术方案要点是：选择高纯度的石墨粉末和合适的粘结剂等原材料，将石墨粉末和粘结剂等原材料进行混合，以得到均匀的混合物，将混合物放入挤压机中，将初步成型的阳极在模具中进行预压成型，以进一步提高阳极的密实度和均匀性；相对于常规的预焙阳极本发明通过对原材料的精细筛选、干燥等预处理工作以及混合制备、挤压成型、预压成型等工艺的优化控制，能够制备出更加均匀的混合物，同时在挤压成型和预压成型工艺中，能够采用更合适的挤压压力和挤压速度，通过模具挤压成型，进一步提高阳极的密实度和均匀性，因此更高均匀性的阳极可以更好地适应半石墨质铝电解的应用需求。
Preparation method of semi-graphite prebaked anode for aluminum electrolysis
一种半石墨质铝电解用预焙阳极制备方法
HUANG HAIYAN (author) / LI YONGFENG (author) / ZHANG ZENGTANG (author) / DENG ZICHENG (author) / LIAO YUANZHANG (author) / HE SHEN (author)
2023-07-28
Patent
Electronic Resource
Chinese
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