中国电解铝工程设计优化及投资分析 梁学民.ppt

* 阳极底部倒角 Anode bottom chamfering 阳极上部倒角 Anode top chamfering 阳极开槽 Anode slotting * 2.11.1 新型阴极材料应用 New Cathode material 常温固化硼化钛涂层和梯度复合硼化钛阴极； Solidifying titanium boride coating under normal temperature and gradient compound titanium boride coating cathode; 硼化钛涂层具有良好的抗钠和电解质渗透性，减缓了阴极吸钠，降低了炉底压降； Titanium boride coating features good anti-sodium and bath penetrability which help to slow down the absorption of sodium and reduce the voltage drop of cell floor; 提高阴极的湿润性； Improve the wettability of cathode; 提高电解槽的寿命。 Prolong the lifetime of the cell. 2.11 提高槽寿命技术优化设计 The optimization design of the technology to prolong the lifetime of cell * 梯度复合硼化钛炭块 Gradient Compound Titanium Boride Carbon Block High density compound titanium boride Middle density compound titanium boride Low density compound titanium boride High graphite cathode carbon block * 2.11.2 电解槽内衬结构优化设计 The optimization design of the cell lining structure 可压缩内衬结构设计 The design of compressible lining structure 内衬侧下部具有弹性功能，可压缩； The side bottom of the lining has the function of elasticity and is compressible; 有效吸收阴极的膨胀，减小炭块的隆起； Effectively absorb the expansion of cathode and reduce upheaval of carbon block; 增强电解槽运行的平稳性，提高电解槽寿命； Enhance the stationarity of the cell during running and prolong its lifetime; 炉底隆起量减少13.5mm，炉底压降低13mV，提高1%的电流效率，吨铝直流电耗下降200多度。 The cell floor reduces 13.5mm upheaval, with 13mv voltage reduction, 1% current efficiency improvement and over 200kWh/ t-Al DC consumption reduction. * 高效抗渗砖 均流钢棒 耐火砖 可压缩材料 周边糊 侧部块 膨胀应力 吸收应力 可压缩内衬结构 The structure of the compressible lining Lateral block Peripheral paste Refractory bricks Compressible materials Uniform flow steel bar Efficiently impervious bricks Swelling stress Absorbing stress * 2.11.3 高效抗渗材料应用 The application of Efficient impervious materials 硅—铝质矿物混合料压缩体； The compressed object of silicon-aluminum mineral mixture; 空隙率低，贯通气孔少，抗渗透性能强，提高槽寿命； With low voidage, few air vent