【正文】 .................................................. 4 工業(yè)吸收塔應(yīng)具備以下基本要求 ..................................................................................................... 5 第二章 用清水吸收爐氣中的二氧化硫 .............................................................................. 6 任務(wù)及操作條件 .................................................................................................................................... 6 吸收工藝流程的確定 ........................................................................................................................... 6 第三章 設(shè)計(jì)方案的選定 ................................................................................................... 7 一、布置工藝流程 ............................................................................................................ 7 氣體吸收的分類(lèi) ................................................................................................................................... 7 吸收操作的選擇 .................................................................................................................................... 7 二、吸收劑的選擇 ............................................................................................................ 8 選擇的依據(jù) ............................................................................................................................................ 8 工業(yè)上常用的吸收劑 ........................................................................................................................... 8 三、填料的選擇 ............................................................................................................. 10 填料的類(lèi)型 .......................................................................................................................................... 10 散裝填料 .......................................................................................................... 10 拉西環(huán) ...................................................................................................... 10 鮑爾環(huán) ...................................................................................................... 10 階梯環(huán) ...................................................................................................... 11 金屬環(huán)矩鞍填料 ........................................................................................ 11 瓷矩鞍填料 ............................................................................................... 12 規(guī)整填料 .......................................................................................................... 13 格柵填料 ................................................................................................... 13 波紋填料 ................................................................................................... 13 四、填料選用準(zhǔn)則 .......................................................................................................... 13 五、填料規(guī)格的選擇 ...................................................................................................... 13 第四章 吸收塔的工藝計(jì)算 ............................................................................................. 15 基礎(chǔ)物性數(shù)據(jù) ..................................................................................................................................... 15 液相物性數(shù)據(jù) .......................................................................................... 15 氣相物性數(shù)據(jù) .......................................................................................... 15 氣液相平衡數(shù)據(jù) ...................................................................................... 15 物料衡算 .............................................................................................................................................. 16 .............................................................................................. 17 填料塔的工藝尺寸的計(jì)算 ............................................................................................................... 17 ....................................................................................... 17 .................................................................................................... 19 .................................................................................... 20 工單元過(guò)程課程設(shè)計(jì) 填料吸收塔工藝設(shè)計(jì) 3 .................................................................................... 23 .............................................................................................. 23 填料層壓降的計(jì)算 ............................................................................................................................ 24 液體分布器計(jì)算 .................................................................................................................................. 26 .............................................................................................. 26 .............................................................................. 26 液體分布器的選型 ........................................................................... 26 分布點(diǎn)密度計(jì)算 .............................................................................. 26 .......................................................................................... 27 其他附屬塔內(nèi)件的選擇 ..................................................................................................................... 28 .................................................................................... 28 .................................................................................... 28 .................................................................................... 28 .............................................................................................. 29 ............................................................................. 29 ...................................................................... 29 五、設(shè)計(jì)結(jié)果匯總 ..........................