【正文】 年產(chǎn) 16 萬噸鋁錠的鋁電解車間畢業(yè)設(shè)計(jì)說明書 第 1 頁 年產(chǎn) 16 萬噸鋁錠的鋁電解車間畢業(yè)設(shè)計(jì)說明書 一座年產(chǎn) 16 萬噸鋁錠的鋁電解車間畢業(yè)設(shè)計(jì) ............. 7 摘要 ................................................ 7 前言 ................................................ 8 第一章 市場(chǎng)分析 .................................... 9 鋁的性質(zhì) .......................................................................................... 9 鋁的發(fā)現(xiàn)簡(jiǎn)史 .................................................................................. 9 我國(guó)鋁工業(yè)發(fā)展近況 .................................................................... 10 鋁業(yè)背景 .................................................................................. 10 制約瓶頸 .................................................................................. 10 發(fā)展前景 ...................................................................................11 中國(guó)鋁型材行業(yè)的概況 .............................................................11 國(guó)際鋁工業(yè)發(fā)展?fàn)顩r .................................................................... 16 對(duì)中國(guó) 鋁工業(yè)發(fā)展前景的認(rèn)識(shí) .................................................... 17 第二章 廠址選擇與論證 ............................. 21 鋁廠廠址選擇區(qū)域概況 ................................................................ 21 地理優(yōu)勢(shì) .................................................................................... 21 地形地貌 ..................................................................................... 22 區(qū)位優(yōu)勢(shì) ..................................................................................... 22 年產(chǎn) 16 萬噸鋁錠的鋁電解車間畢業(yè)設(shè)計(jì)說明書 第 1 頁 水文地址 .................................................................................... 22 氣候條件 .................................................................................... 23 政策優(yōu)勢(shì) .................................................................................. 23 資源優(yōu)勢(shì) ..................................................................................... 24 水能電力資源 ............................................................................. 25 第三章 技術(shù)經(jīng)濟(jì)指標(biāo) ................................ 26 電解方案的選擇與論證 ................................................................ 26 主要技術(shù)經(jīng)濟(jì)指標(biāo)的選擇與論證 ................................................ 27 電流效率 ..................................................................................... 27 電解質(zhì)溫度 ................................................................................. 28 極距 ............................................................................................ 28 電解質(zhì)成分 ................................................................................. 29 電解質(zhì)水平和鋁水平 .................................................................. 31 陽極效應(yīng)系數(shù) .............................................................................. 31 陽極電流密度 ............................................................................. 32 槽工作電壓 ................................................................................ 33 鋁電解生產(chǎn)中的主要技術(shù)經(jīng)濟(jì)指標(biāo)的確定 ................................ 33 第四章 電解槽結(jié)構(gòu)設(shè)計(jì)與計(jì)算 ........................ 35 概述 ................................................................................................. 35 上部結(jié)構(gòu) ......................................................................................... 37 打殼下料裝置 ............................................................................. 37 年產(chǎn) 16 萬噸鋁錠的鋁電解車間畢業(yè)設(shè)計(jì)說明書 第 1 頁 ．陽極升降裝置 ......................................................................... 38 桁架與門式支架 ....................................................................... 39 槽密閉排煙系統(tǒng) ....................................................................... 39 陽極結(jié)構(gòu) .................................................................................. 40 陰極結(jié)構(gòu) ........................................................................................ 41 槽殼 .......................................................................................... 41 內(nèi)襯以及保溫絕熱結(jié)構(gòu) ............................................................ 42 電解槽基礎(chǔ) ............................................................................... 44 母線配置電壓衡算 ........................................................................ 45 母線結(jié)構(gòu)及配置 ....................................................................... 45 能量和物料平衡核算及電壓衡算 .............................................. 49 物料平衡 .................................................................................. 49 電壓平衡 .................................................................................. 52 能量平衡 .................................................................................. 57 電解槽選型、臺(tái)數(shù)、產(chǎn)量以及結(jié)構(gòu)計(jì)算 .................................... 68 電解槽壽命論證 ....................................................................... 68 電解槽單槽日產(chǎn)量和年產(chǎn)量 ................................................... 68 電解槽數(shù)量 ............................................................................... 69 系列原始產(chǎn)量 ........................................................................... 69 電解槽結(jié)構(gòu)計(jì)算 ....................................................................... 69 輔助設(shè)備選擇計(jì)算 ........................................................................ 71 年產(chǎn) 16 萬噸鋁錠的鋁電解車間畢業(yè)設(shè)計(jì)說明書 第 1 頁 第五章 鋁電解槽的預(yù)熱與啟動(dòng) ........................ 75 預(yù)熱方法概述 ................................................................................ 75 鋁電解槽的啟動(dòng) ............................................................................ 76 鋁電解啟動(dòng)條件 ....................................................................... 77 干法啟動(dòng) .................................................................................. 77 濕法無效應(yīng)啟動(dòng) ...................................................................