6主要设备尺寸的计算······················15

  6。1塔径的计算·························16

     6。1。1精馏塔中气液相负荷···················17

     6。1。2塔径计算························17

  6。2溢流装置计算························18

      6。2。1堰长和溢流堰高度·················18

      6。2。2弓形降液管宽度和截面积·············19

            6。2。3液降管底隙高度h····················19

     6。3塔板布置及浮阀数目与排列··················20

     6。3。1开孔面积计算······················20

     6。3。2浮阀数目························21

7塔板流体力学的计算·····················22

7。1塔板通过浮阀塔的压降···················22

7。2液泛···························23

7。3雾沫夹带·························24

    7。4精馏塔的负荷性能·····················24

  7。4。1雾沫夹带线······················25

  7。4。2漏液线························25

  7。4。3液相负荷上限·····················25