精餾塔和塔板的主要工藝尺寸的計(jì)算

1、廣州工程仿真科技有限公司工程仿真網(wǎng)CAE有限元工程仿真有限元軟件工程分析塔和塔板的主要工塔和塔板的主要工藝尺寸的尺寸的計(jì)算（一）塔徑D參考下表初選板間距HT=0.40m取板上液層高度HL=0.07m故：①精餾段：HThL=0.400.07=0.3查圖表11220.00231394.3()()()()0.04251.043.78sLsVLV????=0.078；依公式20C；0.20.22026.06()0.078()0.07332020

2、CC????max1394.33.780.0781.4963.78LvvuCms?????????取安全系數(shù)為0.7，則：u=0.7=0.72.14=1.047ms?maxu?故：；441.041.2651.047sVDmu????????按標(biāo)準(zhǔn)，塔徑圓整為1.４m則空塔氣速為22441.040.781.3sVumsD???????塔的橫截面積2221.40.63644TADm?????②提餾段：；查圖11220.002771574.8

3、()()()()0.05070.9565.14sLsVLV????=0.068；依公式：20C；0.20.22022.09()0.0680.06942020CC???????????max1574.85.140.06941.2135.14LvvuCms????????取安全系數(shù)為0.70，；max0.70.71.2130.849uums?????；440.9561.200.849sVDmu???????為了使得整體的美觀及加工工藝的簡(jiǎn)單

4、易化在提餾段與精餾段的塔徑相差不大的情況下選擇相同的尺寸故:D取1.４m廣州工程仿真科技有限公司工程仿真網(wǎng)CAE有限元工程仿真有限元軟件工程分析E為1.04依下式得堰上液高度：22332.842.849.981.040.0146100010000.91howwLhEml????????????????。0.070.01460.0554whm???3、降液管寬度與降液管面積dW‘fA‘有=0.7查手冊(cè)得wlD‘’0.140.08dfTWD

5、AA??‘’‘’故：=0.14D=0.141.４=0.182mdW‘?2220.080.081.40.106244fADm???????‘降液管底隙高度??0.10620.418.550.0023fTsAHssL??????符合要求0h取液體通過(guò)降液管底隙的流速=0.008ms0u依式計(jì)算降液管底隙高度：即0h000.001420.03170.560.08swLhmlu????（三）塔板布置1、取邊緣區(qū)寬度=0.035m安定區(qū)寬度=0.

6、065mcWsW①精餾段：依下式計(jì)算開(kāi)孔區(qū)面積22212sin180xAxRxRR????????????其中????1.30.1820.0650.40322dsDxWWm???????1.30.0350.61522cDRWm?????故:22210.40320.4030.6150.4030.615sin1800.615A????????????20.915m?②提餾段：依下式計(jì)算開(kāi)孔區(qū)面積22212sin180xAxRxRR?????