【正文】 求取 ................................................................................24 實(shí)際板層數(shù)的求取 ............................................................................26 精餾塔的工藝條件及有關(guān)物性數(shù)據(jù)的計(jì)算 ...........................................26 操作壓力的計(jì)算 ................................................................................26 操作溫度計(jì)算 ....................................................................................27 平均摩爾質(zhì)量計(jì)算 ............................................................................27 平均密度計(jì)算 ....................................................................................27 液體平均表面張力的計(jì)算 ................................................................28 液體平均粘度 ....................................................................................28 精餾塔的塔體工藝尺寸計(jì)算 ....................................................................29 塔徑的計(jì)算 ........................................................................................29 精餾塔有效高度的計(jì)算 ....................................................................30 塔板主要工藝尺寸的計(jì)算 .......................................................................30 溢流裝置計(jì)算 ....................................................................................30 塔板布置 ............................................................................................31 塔板的流體力學(xué)驗(yàn)算 ...............................................................................32 塔板壓降 ............................................................................................32 液面落差 ............................................................................................33 液沫夾帶 ............................................................................................33 漏液 ....................................................................................................33 液泛 ....................................................................................................33 塔板負(fù)荷性能圖 .......................................................................................34 漏液線 ................................................................................................34陜西理工學(xué)院畢業(yè)設(shè)計(jì) 液沫夾帶線 ........................................................................................34 液相負(fù)荷下限線 ................................................................................35 液相負(fù)荷上限線 ................................................................................35 液泛線 ................................................................................................35 精餾塔接管尺寸計(jì)算 ...............................................................................37 塔頂蒸氣出口管的直徑 ....................................................................37 回流管的直徑 ....................................................................................37 進(jìn)料管的直徑 ....................................................................................37 塔底出料管的直徑 ............................................................................386 甲醇精餾塔塔內(nèi)件機(jī)械強(qiáng)度設(shè)計(jì)及校核 .....................................................39 精餾塔筒體和裙座壁厚計(jì)算 ...................................................................39 精餾塔塔的質(zhì)量載荷計(jì)算 .......................................................................39 塔殼和裙座的質(zhì)量 ............................................................................39 封頭質(zhì)量 ............................................................................................39 裙座質(zhì)量 ............................................................................................39 塔內(nèi)構(gòu)件質(zhì)量 ....................................................................................39 人孔、法蘭、接管與附屬物質(zhì)量 ....................................................40 保溫材料質(zhì)量 ....................................................................................40 平臺(tái)、扶梯質(zhì)量 ................................................................................40 操作時(shí)塔內(nèi)物料質(zhì)量 ........................................................................40 充水質(zhì)量 ............................................................................................40 地震載荷計(jì)算 ...........................................................................................41 計(jì)算危險(xiǎn)截面的地震彎矩 ................................................................41 風(fēng)載荷計(jì)算 ...............................................................................................41 風(fēng)力計(jì)算 ............................................................................................41 風(fēng)彎矩計(jì)算 ........................................................................................42 各種載荷引起的軸向應(yīng)力 .......................................................................43 計(jì)算壓力引起的軸向應(yīng)力 ................................................................43 操作質(zhì)量引起的軸向壓應(yīng)力 ............................................................43 最大彎矩引起的軸向應(yīng)力 ................................................................44 筒體和裙座危險(xiǎn)截面的強(qiáng)度與穩(wěn)定性校核 ...........................................44 筒體的強(qiáng)度與穩(wěn)定性校核 ................................................................44 裙座的穩(wěn)定性校核 ............................................................................45 裙座和筒體水壓試驗(yàn)應(yīng)力校核 ...............................................................45 筒體水壓試驗(yàn)應(yīng)力校核 ....................................................................45 裙座水壓試驗(yàn)應(yīng)力校核 ....................................................................46 基礎(chǔ)環(huán)設(shè)計(jì) ...............................................................................................46 基礎(chǔ)環(huán)尺寸 ........................................................................................46 基礎(chǔ)環(huán)尺寸的應(yīng)力校核 ....................................................................47 基礎(chǔ)環(huán)厚度 ........................................................................................47 地腳螺栓計(jì)算 ...........................................................................................47 地腳螺栓承受的最大拉應(yīng)力 ............................................................47 地腳螺栓直