喷淋塔计算精编版

ZORON,填料塔设计,,,,,,

,既定参数,,,,,,

,温度=,323,K,标准温度,273,K,

,压力=,101325,Pa,标准大气压,101325,Pa,

,废气流量=,20000,m3/h,,,,

,废气分子量=,28.94,kg/kmol,M空气=,29,V空气=,0.995

,,,,M废气1=,17,V废气1=,0.005

,,,,M废气2=,,V废气2=,0

,,,,M废气3=,,V废气3=,0

,,,,M废气4=,,V废气4=,0

,,,,M废气5=,,V废气5=,0

,填料因子Φ=,105,m-1,,,,

,泛点填料因子ΦF=,,m-1,,,,

,填料比表面积at=,90,m2/m3,,,,

,填料直径d=,0.05,m,,,,

,填料临界表面张力σc=,0.04,N/m,查表14-3,,,

,填料的名义尺寸dp=,0.05,m,有效直径,,,

,填料θ系数θ=,5.23,,一般环形及鞍形填料为5.23，名义尺寸小于15mm的为2,,,

,填料形状修正系数φ=,1.5,,,,,

,液相黏度μL=,1.01E-03,Pa.s,20˚C水的黏度度为,,1,mPa.s

,气相黏度μG=,1.85E-05,Pa.s,,,,

,重力加速度g=,9.81,m/s2,,,,

,水的密度20˚Cρ水=,1000,kg/m3,,,,

,液相密度ρL=,992,kg/m3,,,,

,液相分子量ML=,18,,,,,

,液体密度校正系数Ψ=,1.008064516,水的密度与液体密度之比,,,,

,液体表面张力σ=,7.28E-02,N/m,查表（附录）,,,

,液相中扩散系数DL=,1.76E-09,m2/s,273K/101325Pa,,,

,气相中扩散系数DG=,1.99E-05,m2/s,273K/101325Pa,,,

,空塔速度u=,0.6,uF液泛速度，一般为0.5-0.8,,,,

,摩尔气体常数R=,8.314,kN.m/kmol.K,,,,

,亨利系数E=,76600,Pa,查表，注意单位换算为Pa,,,

,相平衡常数m=,0.755983222,m=E/P,亨利定律,,,

,,,,,,,,

,液泛速度计算,,,,,,

,气相质量流量ωV=,6.066498968,kg/s,G,,,

,液相质量流量ωL=,28,kg/s,W,,,

,气相密度ρV=,1.091969814,kg/m3,,,,

,中间坐标参数X=,0.153133209,,,,,

,Y=,0.14,查关联图,,,,

,Y/uF2=,1.19E-02,,,,,

,液泛速度uF=,3.431575997,m/s,,,,

,空塔速度u=,2.058945598,m/s,,,,

,有效过流截面A=,2.698252717,m2,,,,

,,,,,,,,

,按圆型填料塔计算,,,,,,

,塔径D=,1.853516135,m,,,,

,直径取整D=,2.5,m,,,,

,塔截面积Ω=,4.908738521,m2,,,,

,实际空塔速度u=,1.131768484,m/s,,,,

,塔径/填料径=,50,要求>10,,,符合,

,喷淋密度L'=,20.70041066,m3/m2.h,,,,

,润湿速率Lw=,0.230004563,"d<75,(Lw)min=0.08m3/m2.h",,,符合d<75mm,

,,,"d>75,(Lw)min=0.12m3/m3.h",,,符合d>75mm,

,,,,,,,,

,计算工作压损,,,,,,

,参数X=,0.153133209,,,,,

,Y=,1.52E-02,,,,,

,ΔP/Z=,254,Pa/m,查关联图,,,

,阻力系数法,,,,,,

,ζ=,150,,查阻力系数表,,,

,ΔP/Z=,104.9028021,Pa/m,,,,

,填料层高度计算,,,,,,

,1）传质单元数,,,,,,

,解析法/脱吸因数法,,,,,,

,气相进塔摩尔比Y1=,1.20E-05,摩尔比,,,,

,气相出塔摩尔比Y2=,2.00E-06,摩尔比,,,,

,进塔液相摩尔比X2=,0,摩尔比,,,,

,出塔液相摩尔比X1=,,摩尔比,,,,

,气相进塔摩尔流量V=,754.6439628,kmol/h,,,,

,液相进塔摩尔流量L=,5600,kmol/h,,,,

,解吸因数S=,0.101874674,S=mV/L,,,,

,,,,,,,,

,气相总传质单元数NOG=,1.896219091,,,,,

,液相总传质单元数NOL=,0.193176702,,,,,

,2）传质单元高度,,,,,,

,气相空塔质量速度G=,1.235857021,Kg/m2.s,,,,

,液相空塔质量速度W=,5.70411316,Kg/m2.s,,,,

,雷诺准数ReL=,63.06371653,,,,,

,弗鲁德准数FrL=,0.000303338,,,,,

,韦伯准数WeL=,0.005005998,,,,,

,填料层有效面积α=,18.19903204,m2/m3,,,,

,,,,,,,,

,实际雷诺数Re’L=,311.87013,,,,,

,施密特准数ScL=,575.6277493,,,,,

,液膜吸收系数kL=,0.000460447,kmol/m3.s.kPa,,,,

,,,,,,,,

,气相雷诺准数ReG=,742.2564693,,,,,

,气相施密特准数ScG=,0.85349422,,,,,

,气膜吸收系数kG=,2.14329E-05,kmol/m3.s.kPa,,,,

,,,,,,,,

,溶解度系数H=,0.719466202,kmol/m3.kPa,,,,

,KGα=,0.000366356,kmol/m3.