精馏塔回流比问题
为什么回流比会这么大，还是简单塔的例子，，刚接触这个软件proii9.2{:1106_361:}弄半天了都搞不明白{:1106_364:} 我算出来没这么夸张。
------------- TOTAL STREAM RATES -------------
MOLES WEIGHT LIQUID VOLNORM VAPOR(1) NUM
STREAM + PHASE KG-MOL/HR KG/HR M3/HR M3/HR SECTION TRAYS
------------ ------------------------------------------------ -----
S2 L 80.03 3515.94 6.98 1793.83 1 17.74
S3 L 19.97 1272.44 2.10 447.57
TOTALS 100.00 4788.38 9.08 2241.40 17.74
SPECIFICATIONS
PARAMETER COMP. SPECIFICATIONSPECIFIED CALCULATED
TYPE NUM TYPE VALUE VALUE
---------------------------------------------------------
STRM S2 3 WTFRACTION 1.000E-03 1.000E-03
STRM S3 2 WTFRACTION 1.000E-03 9.999E-04
SUMMARY OF UNDERWOOD CALCULATIONS
MINIMUM REFLUX RATIO 1.19448
FEED CONDITION Q 1.00000
FENSKE MINIMUM TRAYS 17.74226
OPERATING REFLUX RATIO 1.20 * R-MINIMUM
TOTAL FEED R/R-MIN M/M-MIN REFLUX DUTY, M*KCAL/HR
TRAYS TRAY RATIO CONDENSER REBOILER
----- ---- ------- ------- ------ --------------------
4317.87 1.100 2.450 1.314 -5.283E-01 5.605E-01
4117.01 1.150 2.329 1.374 -5.419E-01 5.741E-01
3916.26 1.200 2.223 1.433 -5.555E-01 5.877E-01
3815.61 1.250 2.132 1.493 -5.692E-01 6.014E-01
3615.04 1.300 2.051 1.553 -5.828E-01 6.150E-01
</PRE> 爱是你我 发表于 2016-6-14 16:36
我算出来没这么夸张。
------------- TOTAL STREAM RATES -------------
...
谢谢，我回去看看，现在软件又坏了，---
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