【正文】 年產(chǎn)十萬(wàn)噸燒堿工藝設(shè)計(jì) The Process Design of Caustic Soda Based on 100kt/a 目 錄 摘要 ........................................................... I Abstract ...................................................... Ⅱ 引言 ........................................................... 1 第一章 工藝路線的選擇 ......................................... 2 第二章 精制鹽水工段 ........................................... 3 精鹽水指標(biāo) ...................................................................................................................... 3 原鹽質(zhì)量 .......................................................................................................................... 3 淡鹽水脫氯及過(guò)堿量控制 .............................................................................................. 4 粗鹽水含量、溫度以及流量 .......................................................................................... 4 精制劑的配制 .................................................................................................................. 4 助沉劑配制 ...................................................................................................................... 5 精制反應(yīng)時(shí)間 .................................................................................................................. 5 炭素管過(guò)濾器性質(zhì)及工作要求 ...................................................................................... 5 樹(shù)脂塔的操作要點(diǎn) .......................................................................................................... 5 樹(shù)脂塔最大流量 ........................................................................................................... 5 鹽水溫度 ....................................................................................................................... 5 鹽水 pH 值 .................................................................................................................... 6 樹(shù)脂塔壓差控制 ........................................................................................................... 6 第三章 電解工段的物料衡算 ..................................... 7 離 子膜交換原理 ............................................................................................................... 7 電解槽內(nèi)物料衡算 ........................................................................................................... 7 計(jì)算依據(jù) ........................................................................................................................ 7 計(jì)劃任務(wù) ........................................................................................................................ 7 電解槽選型 .................................................................................................................... 7 物料衡算 ........................................................................................................................ 8 第四章 電解液蒸發(fā) ............................................ 11 蒸發(fā)概論 ......................................................................................................................... 11 堿液蒸發(fā)的基本概念 .................................................................................................. 11 離子膜堿液蒸發(fā)的特點(diǎn) .............................................................................................. 11 蒸發(fā)流程及設(shè)備類型選擇 ............................................................................................. 11 蒸發(fā)流程 ...................................................................................................................... 11 蒸發(fā)設(shè)備 ...................................................................................................................... 13 蒸發(fā)工藝計(jì)算 ................................................................................................................. 14 蒸發(fā)水量的計(jì)算 .......................................................................................................... 14 各效傳熱溫度差的計(jì)算 .............................................................................................. 15 各效物料、熱量衡算 .................................................................................................. 17 各效所需傳熱面積的計(jì)算 .......................................................................................... 19 試差計(jì)算 ...................................................................................................................... 19 第五章 固堿工藝 .............................................. 25 固堿流程選擇 ................................................................................................................. 25 固堿熱量、物料衡算 ..................................................................................................... 25 降膜蒸發(fā)器 .................................................................................................................. 25 降膜濃縮器 .................................................................................................................. 26 離子膜固堿種類 ............................................................................................................. 27 第六章 主要設(shè)備選型和設(shè)計(jì) .................................... 29 電解槽選型及依據(jù) ......................................................................................................... 29 蒸發(fā)設(shè)備的計(jì)算 ............................................................................................................. 31 蒸發(fā)器加熱管數(shù)及加熱室直徑的計(jì)算 ...................................................................... 31 蒸發(fā)器循環(huán)管的計(jì)算 .................................................................................................. 32 蒸發(fā)器分離室的計(jì)算 .................................................................................................. 32 接管尺寸的計(jì)算 .......................................................................................................... 33 結(jié)論 .......................................................... 35 致謝 ............................................錯(cuò)誤 !未定義書簽。 參考文獻(xiàn) ........................................