全回流情况下：
x-y10.90.80.70.60.5yy = -0.7961x2 + 1.77xR2 = 0.99570.40.30.20.1000.20.4x0.60.81
(0.150824691 -0.129)/(0.150824691-0.0044548)=5.353 由图可知，理论板数（包括塔釜）N=5.353-1=4.353 全塔效率=(N/Ne)*100%=54.41% 部分回流情况下：
x-y10.90.80.70.60.5yy = -0.7961x + 1.77x2R = 0.995720.40.30.20.1000.20.4x0.60.81
精馏段操作线方程：y=0.8x+0.1744 提馏段操作线方程：y=1.94x-0.0838 q线方程: y=12.468*x-3.372
9+(0.135184836-0.129)/( 0.135184836-0.0810821)=9.116 由图可知，理论板数（包括塔釜）N=9.116-1=8.116 全塔效率=(N/Ne)*100%=101.65%
t x y
97.6 93.85 92.66 91.6 88.32 86.25 84.98 84.13 83.06 80.5 78.38 0 0.126 0.188 0.21 0.358 0.461 0.546 0.6 0.663 0.884 1 0 0.24 0.318 0.349 0.55 0.65 0.711 0.76 0.799 0.914 1
x(y)-T100y = -4.8081x2 - 14.249x + 97.537R2 = 0.9994T/90℃280y = 9.4672x - 28.012x + 97.365R2 = 0.99787000.20.4x(y)0.60.81
全回流条件下，塔顶温度随时间的变化曲线 t/s 0 20 40 60 80 100 120 140 T/℃ 59.3 66.8 73.7 78.2 81.2 83.2 84.9 86
t-T曲线959085T80/75℃70656055500100200300400t/s
160 180 86.7 86.7 200 220 87.3 87.6
