【正文】 .............................................................................................32 母液蒸發(fā)和一水碳酸鈉苛化 .......................................................................................................35 第 3 章 物料平衡計算 .................................................................................................................................36 主要生產技術指標 ............................................................................................................................36 物料平衡計算 ....................................................................................................................................36 損失計算 .........................................................................................................................................36 循環(huán)溶液計算 ..................................................................................................................................39 漿液的稀釋和沉降 .........................................................................................................................41 鋁酸鈉溶液的分解 .........................................................................................................................45 氫氧化鋁漿液的沉降 .....................................................................................................................46 產品氫氧化鋁的洗滌與焙燒 ........................................................................................................47 苛化 ..................................................................................................................................................48 蒸發(fā)和蘇打分離 .............................................................................................................................51 氧化鋁物料小時流程表 ....................................................................................................................53 第四章 高壓溶出熱平衡計算 ....................................................................................................................54 3 有關參數(shù)的確定 ................................................................................................................................54 原礦漿的比重與比熱 .....................................................................................................................54 熱平衡計算中有關參數(shù)的確定 ....................................................................................................54 各級自蒸汽器自蒸發(fā)水量的計算 ...................................................................................................55 各級預熱器的熱平衡計算 ................................................................................................................56 換熱器熱負載的計算 ........................................................................................................................58 礦漿流量的確定 .............................................................................................................................58 熱負載計算 .....................................................................................................................................58 總的傳熱系數(shù)的確定 .....................................................................................................................60 各傳熱面積的計算 ............................................................................................................................60 第五章 高壓溶出車間設備選擇與計算 ....................................................................................................62 保溫停留罐設計計算 ........................................................................................................................62 保溫罐個數(shù) .....................................................................................................................................62 溶出保溫罐設計計算 .....................................................................................................................62 端蓋 的設計 .....................................................................................................................................63 高壓泵 ................................................................................................................................................64 泵的流量的確定 .............................................................................................................................64 泵的壓力的計算 .............................................................................................................................64 局部阻力 .........................................................................................................................................65 整個輸送系統(tǒng)總的阻力 .................................................................................................................65 保溫材料 ............................................................................................................................................65 保溫停留罐保溫材料的計算 ........................................................................................................65 保溫材料的用量 ................................................................................................................................66 保溫罐保溫的計算 .........................................................................................................................66 第六章 經濟技術分析 ...............................................................................................................................68 成本核算的條件 .................................................................................................................................68 勞動定員及經濟效益 ........................................................................................................................69 勞動定員 .........................................................................................................................................69 經濟效益計算 ................................................................