(中南大學(xué) 能源與動力工程學(xué)院， 長沙 410083)
摘 要: 運用大型有限元分析軟件ANSYS中附帶的APDL模塊解決鋁電解槽熱非線性和爐幫形狀的循環(huán)計算問題，充分考慮電解質(zhì)發(fā)生相變時產(chǎn)生的潛熱， 建立了熱電場數(shù)學(xué)模型， 開發(fā)了準三維熱電耦合模型。 選擇普通炭塊和碳化硅作為側(cè)部保溫材料兩種情況， 對我國300kA側(cè)部五點進電預(yù)焙鋁電解槽進行了熱電耦合分析，繪出了熱場等溫線圖。 結(jié)果表明， 300kA側(cè)部五點進電預(yù)焙電解槽的陰極和側(cè)部炭塊的設(shè)計是合理的。
關(guān)鍵字: 鋁電解槽； 熱電場； 耦合； 有限元分析
in aluminum reduction cell
（ School of Energy and Power Engineering,
Central South University,Changsha 410083, China）
Abstract: By using ANSYS APDL, the non-linear behaviors in aluminum reduction cell were considered and the profile of bath freeze was computed. Considering the phase change problems, the thermo-electric mathematical models and 2D+ thermo-electric models were built up. For the cases of common carbon and SiC, the thermo-electric coupled filed of 300kA prebaked aluminum reduction cell was computed. The results indicate that the design of cathode and side of 300kA prebaked aluminum reduction cell is reasonable.
Key words: electrolysis cell; thermo-electric filed; coupling; FEM
