吸收解吸塔 设计

率校正:)(实际气速:0080~0050(0081.666681.0507.2675.1/675.11000650414.35556.0422??????fvsuusmdqu?满足径比条件)填料规格校核(1511.1738650D???d喷淋量的校核:吸收剂的喷淋密度U=L/S(3—2)U=SqvL(3—3)由公式(3—3)可得:)/(69.143317.0875.423hmmSqUvL????-6-润湿率:tWaUL/min?(3—4)由公式(3—4)可得:)/(095.015569.14/3minhmmatULW????对于直径小于75mm的环形填料,必须满足润湿率的的最小值LminW?0.08满足最小喷淋密度要求。经以上校对可知填料塔径选用650mm合理。3.2填料层高度的计算3.2.1传质单元高度计算塔内的液相及气象物性如下.3L/800mkg??3/8198.0mkgG??spa???-3L101.2?spaG????51068.1?mNcmdynL/02.0/20???苯在煤气中的扩散系数近似取苯在空气中的扩散系数,已知:scmDG//075.02?sm/1051.726???苯在洗油中的扩散系数查取得:smscmDL/1002.1/1002.12925??????气相及液相的流速为:sqGmGG3600?(3—5)由公式(3—5)可得:)./(3731.1)/(3317.03600625.1639360022GsmkgsmkgsqGmG??????sqGmLL3600?(3—6)由公式(3—6)可得:)/(2638.3)/(3317.036004.3897360022smkgsmkgsqGmLL??????气相传质系数:1.1317.0237.0???????????????????????????RTaDDaGKGGGGGGG(3—7)由公式(3—7)可得: