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High-strength graphitized cathode carbon block and manufacturing method thereof
The invention relates to the technical field of cathode carbon block manufacturing, and discloses a high-strength graphitized cathode carbon block and a manufacturing method thereof, the high-strength graphitized cathode carbon block comprises the following raw material components by weight: 23-24% of modified asphalt; 86-87% of calcined petroleum coke; 1-5% of silicon carbide; 0.5-3% of metal powder titanium; 1-5% of alumina; the modified asphalt is modified asphalt. According to the high-strength graphitized cathode carbon block and the manufacturing method thereof, the mechanical property of a finished product obtained through the two-time roasting and impregnation process step is effectively improved, the strength of the carbon block is improved, the abrasion rate of the carbon block in the using process is reduced, the service life of an electrolytic bath is prolonged, meanwhile, the carbon block is impregnated through an impregnant, pores are filled, and the service life of the electrolytic bath is prolonged. The aluminum oxide added into the raw material of the cathode carbon block can react with carbon to form an aluminum-carbon compound, so that the strength and the stability of the carbon material are enhanced, and the metal powder titanium added into the raw material of the carbon block can form a good conductive network with the carbon in the high-temperature roasting process, so that the resistivity is reduced.
本发明涉及阴极炭块制造技术领域,公开了一种高强度石墨化阴极炭块及其制造方法,包括如下原料成分按重量百分比的组分:其中,改性沥青23‑24%;煅后石油焦86‑87%;碳化硅1‑5%;金属粉末钛0.5‑3%;氧化铝1‑5%;所述改性沥青为改质沥青。该高强度石墨化阴极炭块及其制造方法,通过两次焙烧配合浸渍工艺步骤获取的成品机械性有效提高,使得炭块的强度提升高,使得炭块在使用过程中的磨损率降低,有利于延长电解槽的寿命,同时经过浸渍剂对碳块进行浸渍,填充孔隙,在阴极炭块原料中添加氧化铝能与碳发生反应,形成铝碳化合物,增强碳材料的强度和稳定性在炭块原料中添加的金属粉末钛在高温焙烧过程中,能与碳形成良好的导电网络,降低电阻率。
High-strength graphitized cathode carbon block and manufacturing method thereof
The invention relates to the technical field of cathode carbon block manufacturing, and discloses a high-strength graphitized cathode carbon block and a manufacturing method thereof, the high-strength graphitized cathode carbon block comprises the following raw material components by weight: 23-24% of modified asphalt; 86-87% of calcined petroleum coke; 1-5% of silicon carbide; 0.5-3% of metal powder titanium; 1-5% of alumina; the modified asphalt is modified asphalt. According to the high-strength graphitized cathode carbon block and the manufacturing method thereof, the mechanical property of a finished product obtained through the two-time roasting and impregnation process step is effectively improved, the strength of the carbon block is improved, the abrasion rate of the carbon block in the using process is reduced, the service life of an electrolytic bath is prolonged, meanwhile, the carbon block is impregnated through an impregnant, pores are filled, and the service life of the electrolytic bath is prolonged. The aluminum oxide added into the raw material of the cathode carbon block can react with carbon to form an aluminum-carbon compound, so that the strength and the stability of the carbon material are enhanced, and the metal powder titanium added into the raw material of the carbon block can form a good conductive network with the carbon in the high-temperature roasting process, so that the resistivity is reduced.
本发明涉及阴极炭块制造技术领域,公开了一种高强度石墨化阴极炭块及其制造方法,包括如下原料成分按重量百分比的组分:其中,改性沥青23‑24%;煅后石油焦86‑87%;碳化硅1‑5%;金属粉末钛0.5‑3%;氧化铝1‑5%;所述改性沥青为改质沥青。该高强度石墨化阴极炭块及其制造方法,通过两次焙烧配合浸渍工艺步骤获取的成品机械性有效提高,使得炭块的强度提升高,使得炭块在使用过程中的磨损率降低,有利于延长电解槽的寿命,同时经过浸渍剂对碳块进行浸渍,填充孔隙,在阴极炭块原料中添加氧化铝能与碳发生反应,形成铝碳化合物,增强碳材料的强度和稳定性在炭块原料中添加的金属粉末钛在高温焙烧过程中,能与碳形成良好的导电网络,降低电阻率。
High-strength graphitized cathode carbon block and manufacturing method thereof
一种高强度石墨化阴极炭块及其制造方法
ZHANG HONGLIANG (author) / ZHANG YANAN (author) / XIA BAIYUAN (author) / GUO SHUAI (author) / CHENG HAIYAN (author) / ZHANG JINXING (author) / JI XIZHI (author) / WANG FENG (author) / GAO MIN (author) / GUO ZENGGUANG (author)
2024-11-15
Patent
Electronic Resource
Chinese
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