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- 2011-11-30
- 积分
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为是么我的proⅡ9.2 shortcut 模拟结果中没有进料位置,而且最小回流比出现负值,是不是我的设置出了问题,新人一枚,一个塔设计例题,结果如下,请大神帮忙指点一下
$ Generated by PRO/II Keyword Generation System <version 9.2>
$ Generated on: Fri Apr 22 09:48:57 2016
TITLE
DBASE DATA = ALL
PRINT INPUT=ALL, WTFRAC, MBALANCE=ON, PLENGTH=61, NOWARNING, &
ZEROSUPPRESS, SEQMAP=ON, ION=NONE
DIMENSION ENGLISH, TEMP=C, PRES=KG/CM2
SEQUENCE SIMSCI
COMPONENT DATA
LIBID 1,H2O/2,C2H6/3,C3H8/4,C4H10/5,C5H12, BANK=SIMSCI,PROCESS
ASSAY FIT=ALTERNATE, CONVERSION=API94, CURVEFIT=CURRENT, &
KVRECONCILE=TAILS, FORMATION=CURRENT
THERMODYNAMIC DATA
METHOD SYSTEM=SRK, SET=SRK01, DEFAULT
WATER PROPERTY=IF97, TRANSPORT=IF97
STREAM DATA
PROPERTY STREAM=S1, PRESSURE=16.5, PHASE=L, RATE(M)=220.462, &
COMPOSITION(M)=2,1/3,79/4,12/5,8
UNIT OPERATIONS
SHORTCUT UID=SCD1
FEED S1
PRODUCT STREAM=S2, RATE(M)=176.37, PHASE=V, DP=0
PRODUCT STREAM=S3, PHASE=L, DP=0
CONDENSER TYPE=PART
EVALUATE MODEL=CONV, TRIAL=50, KEYLIGHT=4, KEYHEAVY=3, &
RRMIN=1.2
FINDEX 2
SPEC STREAM=S2,FRACTION, COMP=4,WET, VALUE=0.001
SPEC STREAM=S3,FRACTION, COMP=3,WET, VALUE=0.001
END
SIMULATION SCIENCES INC. R PAGE R-1
PROJECT PRO/II VERSION 9.2 ELEC V9.0.6
PROBLEM INPUT
THERMODYNAMIC DATA
==============================================================================
VLE K-VALUE DATA FOR SET 'SRK01'
SRK PURE COMPONENT DATA
COMP CRITICAL CRITICAL ALPHA C1 C2 C3
TEMPERATURE PRESSURE TYPE
DEG C KG/CM2
---- ---------- ---------- ----- ---------- ---------- ----------
1 373.98 224.90 2 1.0000 0.6620 0.8000
2 32.17 49.68 1 0.6349 N/A N/A
3 96.68 43.32 1 0.7156 N/A N/A
4 151.97 38.71 1 0.7880 N/A N/A
5 196.55 34.36 1 0.8647 N/A N/A
SRK INTERACTION PARAMETERS
KIJ = A(I,J) + B(I,J)/T + C(I,J)/T**2 + D(I,J)*T
I J KA(I,J) KB(I,J) KC(I,J) KD(I,J) UNITS FROM
--- --- ---------- ---------- ---------- ---------- ----- ----
1 2 0.5500 0.00 0.00 0.00 DEG K SIMSCI BANK
1 3 0.5300 0.00 0.00 0.00 DEG K SIMSCI BANK
1 4 0.5200 0.00 0.00 0.00 DEG K SIMSCI BANK
1 5 0.5000 0.00 0.00 0.00 DEG K SIMSCI BANK
2 3 -2.200E-03 0.00 0.00 0.00 DEG K SIMSCI BANK
2 4 6.700E-03 0.00 0.00 0.00 DEG K SIMSCI BANK
2 5 5.600E-03 0.00 0.00 0.00 DEG K SIMSCI BANK
3 4 0.0000 0.00 0.00 0.00 DEG K SIMSCI BANK
3 5 0.0233 0.00 0.00 0.00 DEG K SIMSCI BANK
4 5 0.0204 0.00 0.00 0.00 DEG K SIMSCI BANK
SIMULATION SCIENCES INC. R PAGE R-2
PROJECT PRO/II VERSION 9.2 ELEC V9.0.6
PROBLEM INPUT
THERMODYNAMIC DATA
==============================================================================
THERMODYNAMIC SETS USED FOR EACH UNIT OPERATION
DEFAULT METHOD IS SRK01
THERMODYNAMIC SET UNIT OPERATIONS
----------------- ---------------
SRK01 SCD1
UNIT IDENTIFIER UNIT OPERATION THERMODYNAMIC SET
--------------- -------------- -----------------
SCD1 SHORTCUT COLUMN SRK01
SIMULATION SCIENCES INC. R PAGE R-3
PROJECT PRO/II VERSION 9.2 ELEC V9.0.6
PROBLEM INPUT
THERMODYNAMIC DATA
==============================================================================
THERMODYNAMIC METHODS USED FOR EACH SET
THERMODYNAMIC SET SRK01 (DEFAULT)
PROPERTY METHOD
-------- ------
KVALUE(VLE) SOAVE-REDLICH-KWONG
KVALUE(LLE) UNSPECIFIED
KVALUE(SLE) UNSPECIFIED
LIQUID ENTHALPY SOAVE-REDLICH-KWONG
VAPOR ENTHALPY SOAVE-REDLICH-KWONG
LIQUID DENSITY API
VAPOR DENSITY SOAVE-REDLICH-KWONG
LIQUID ENTROPY SOAVE-REDLICH-KWONG
VAPOR ENTROPY SOAVE-REDLICH-KWONG
LIQUID VISCOSITY IDEAL
VAPOR VISCOSITY IDEAL
LIQUID CONDUCTIVITY IDEAL
VAPOR CONDUCTIVITY IDEAL
SURFACE TENSION IDEAL
LIQUID DIFFUSIVITY UNSPECIFIED
SIMULATION SCIENCES INC. R PAGE H-1
PROJECT PRO/II VERSION 9.2 ELEC V9.0.6
PROBLEM CALCULATION
HISTORY 04/22/16
==============================================================================
*** PROBLEM SOLUTION BEGINS
FEED FLASH COMPLETE
*** PROBLEM SOLUTION REACHED
*** THIS RUN USED 21.12 PRO/II SIMULATION UNITS
*** RUN STATISTICS
STARTED 09:48:35 04/22/16 NO ERRORS
FINISHED 09:48:50 04/22/16 NO WARNINGS
RUN TIMES NO MESSAGES
INTERACTIVE 0 MIN, 14.30 SEC
CALCULATIONS 0 MIN, 0.13 SEC
TOTAL 0 MIN, 14.43 SEC
SIMULATION SCIENCES INC. R PAGE C-1
PROJECT PRO/II VERSION 9.2 ELEC V9.0.6
PROBLEM CALCULATION
SHORTCUT COLUMN SUMMARY 04/22/16
==============================================================================
UNIT 1, 'SCD1'
(1) STANDARD VAPOR VOLUME IS 379.48 FT3/LB-MOLE (60 F AND 14.696 PSIA)
SIMULATION SCIENCES INC. R PAGE I-1
PROJECT PRO/II VERSION 9.2 ELEC V9.0.6
PROBLEM OUTPUT
INDEX 04/22/16
==============================================================================
PAGE CONTENTS
------ ----------------------------------------------------------------
1 COMPONENT DATA
2 CALCULATION SEQUENCE AND RECYCLES
2 SEQUENCE MAP
3 PLANT MATERIAL BALANCE
SHORTCUT COLUMN SUMMARY
4 UNIT 1, 'SCD1'
5 STREAM MOLAR COMPONENT RATES
6 STREAM SUMMARY
SIMULATION SCIENCES INC. R PAGE P-1
PROJECT PRO/II VERSION 9.2 ELEC V9.0.6
PROBLEM OUTPUT
COMPONENT DATA 04/22/16
==============================================================================
COMPONENT COMP. TYPE PHASE MOL. WEIGHT API
--------------------- ----------- ----------- ----------- -----------
1 H2O LIBRARY VAP/LIQ/SOL 18.015 10.000
2 C2H6 LIBRARY VAP/LIQ/SOL 30.070 266.652
3 C3H8 LIBRARY VAP/LIQ/SOL 44.097 147.986
4 C4H10 LIBRARY VAP/LIQ/SOL 58.123 110.417
5 C5H12 LIBRARY VAP/LIQ/SOL 72.150 92.481
COMPONENT NBP CRIT. TEMP. CRIT. PRES. CRIT. VOLM.
C C KG/CM2 FT3/LB-MOL
--------------------- ----------- ----------- ----------- -----------
1 H2O 100.000 373.980 224.898 0.8962
2 C2H6 -88.600 32.170 49.681 2.3307
3 C3H8 -42.040 96.680 43.318 3.2037
4 C4H10 -0.500 151.970 38.708 4.0847
5 C5H12 36.070 196.550 34.364 5.0138
COMPONENT ACEN. FACT. HEAT FORM. G FORM.
BTU/LB-MOL BTU/LB-MOL
--------------------- ----------- ----------- -----------
1 H2O 0.34486 -103961.31 -98276.01
2 C2H6 0.09949 -36036.11 -13723.13
3 C3H8 0.15229 -45004.30 -10485.81
4 C4H10 0.20016 -54079.97 -7179.71
5 C5H12 0.25151 -63095.44 -3788.91
COMPONENT DATABANK(S) USED
--------------------- ---------------------
1 H2O SIMSCI
2 C2H6 SIMSCI
3 C3H8 SIMSCI
4 C4H10 SIMSCI
5 C5H12 SIMSCI
SIMULATION SCIENCES INC. R PAGE P-2
PROJECT PRO/II VERSION 9.2 ELEC V9.0.6
PROBLEM OUTPUT
CALCULATION SEQUENCE AND RECYCLES 04/22/16
==============================================================================
CALCULATION SEQUENCE
SEQ UNIT ID UNIT TYPE
--- ------------ ----------
1 SCD1 SHORTCUT
SEQUENCE MAP
SEQ DESCRIPTION
---- -----------------------------------------
1 SHORTCUT 'SCD1'
SIMULATION SCIENCES INC. R PAGE P-3
PROJECT PRO/II VERSION 9.2 ELEC V9.0.6
PROBLEM OUTPUT
PLANT MATERIAL BALANCE 04/22/16
==============================================================================
FEED STREAMS: S1
PRODUCT STREAMS: S2 S3
OVERALL PLANT MOLAR BALANCE
---------------- LB-MOL/HR ---------------- PERCENT
COMPONENT FEED +REACTION -PRODUCT =DEVIATION DEV
--------------------- ---------- ---------- ---------- ---------- -------
2 C2H6 2.205 0.000 2.205 0.000 0.00
3 C3H8 174.165 0.000 174.165 0.000 0.00
4 C4H10 26.455 0.000 26.455 0.000 0.00
5 C5H12 17.637 0.000 17.637 0.000 0.00
TOTAL 220.462 0.000 220.462 0.000 0.00
OVERALL PLANT MASS BALANCE
------------------ LB/HR ------------------ PERCENT
COMPONENT FEED +REACTION -PRODUCT =DEVIATION DEV
--------------------- ---------- ---------- ---------- ---------- -------
2 C2H6 66.29 0.00 66.29 0.00 0.00
3 C3H8 7680.08 0.00 7680.08 0.00 0.00
4 C4H10 1537.68 0.00 1537.68 0.00 0.00
5 C5H12 1272.51 0.00 1272.51 0.00 0.00
TOTAL 10556.57 0.00 10556.57 0.00 0.00
SIMULATION SCIENCES INC. R PAGE P-4
PROJECT PRO/II VERSION 9.2 ELEC V9.0.6
PROBLEM OUTPUT
SHORTCUT COLUMN SUMMARY 04/22/16
==============================================================================
UNIT 1, 'SCD1'
FEEDS
STREAM PHASE
------------ ------
S1 LIQUID
PRODUCTS
------------- TOTAL STREAM RATES -------------
MOLES WEIGHT LIQUID VOL NORM VAPOR(1) NUM
STREAM + PHASE LB-MOL/HR LB/HR FT3/HR FT3/HR SECTION TRAYS
------------ - ---------- ---------- ---------- ---------- ------- -----
S2 V 176.50 7754.69 246.44 66979.69 1 16.02
S3 L 43.96 2801.89 74.23 16682.15
TOTALS 220.46 10556.57 320.67 83661.85 16.02
SPECIFICATIONS
PARAMETER COMP. SPECIFICATION SPECIFIED CALCULATED
TYPE NUM TYPE VALUE VALUE
----------------- ------- ------------- ---------- ----------
STRM S2 4 MOL FRACTION 1.000E-03 9.993E-04
STRM S3 3 MOL FRACTION 1.000E-03 1.002E-03
SUMMARY OF UNDERWOOD CALCULATIONS
MINIMUM REFLUX RATIO -1.00000
FEED CONDITION Q 1.00000
FENSKE MINIMUM TRAYS 16.02242
OPERATING REFLUX RATIO 1.20 * R-MINIMUM
(1) STANDARD VAPOR VOLUME IS 379.48 FT3/LB-MOLE (60 F AND 14.696 PSIA)
SIMULATION SCIENCES INC. R PAGE P-5
PROJECT PRO/II VERSION 9.2 ELEC V9.0.6
PROBLEM OUTPUT
STREAM MOLAR COMPONENT RATES 04/22/16
==============================================================================
STREAM ID S1 S2 S3
NAME
PHASE DRY LIQUID DRY VAPOR DRY LIQUID
THERMO ID SRK01 SRK01 SRK01
FLUID RATES, LB-MOL/HR
2 C2H6 2.2046 2.2046 1.3027E-09
3 C3H8 174.1653 174.1213 0.0441
4 C4H10 26.4555 0.1764 26.2791
5 C5H12 17.6370 1.2037E-06 17.6370
TOTAL RATE, LB-MOL/HR 220.4624 176.5023 43.9602
TEMPERATURE, C 55.1350 46.3655 116.7106
PRESSURE, KG/CM2 16.5000 16.5000 16.5000
ENTHALPY, MM BTU/HR 0.6950 1.4229 0.3817
MOLECULAR WEIGHT 47.8838 43.9353 63.7370
MOLE FRAC VAPOR 0.0000 1.0000 0.0000
MOLE FRAC TOTAL LIQUID 1.0000 0.0000 1.0000
MOLE FRAC H/C LIQUID 1.0000 0.0000 1.0000
MOLE FRAC FREE WATER 0.0000 0.0000 0.0000
SIMULATION SCIENCES INC. R PAGE P-6
PROJECT PRO/II VERSION 9.2 ELEC V9.0.6
PROBLEM OUTPUT
STREAM SUMMARY 04/22/16
==============================================================================
STREAM ID S1 S2 S3
NAME
PHASE DRY LIQUID DRY VAPOR DRY LIQUID
THERMO ID SRK01 SRK01 SRK01
----- TOTAL STREAM -----
RATE, LB-MOL/HR 220.462 176.502 43.960
M LB/HR 10.557 7.755 2.802
TEMPERATURE, C 55.135 46.365 116.711
PRESSURE, KG/CM2 16.500 16.500 16.500
MOLECULAR WEIGHT 47.884 43.935 63.737
ENTHALPY, MM BTU/HR 0.695 1.423 0.382
BTU/LB 65.832 183.486 136.232
MOLE FRACTION LIQUID 1.00000 0.00000 1.00000
MOLE FRACTION FREE WATER 0.00000 0.00000 0.00000
----- TOTAL VAPOR ------
RATE, LB-MOL/HR N/A 176.502 N/A
M LB/HR N/A 7.755 N/A
M FT3/HR N/A 3.481 N/A
STD VAP RATE(1), M FT3/HR N/A 66.980 N/A
MOLECULAR WEIGHT N/A 43.935 N/A
ENTHALPY, BTU/LB N/A 183.486 N/A
CP, BTU/LB-C N/A 0.936 N/A
DENSITY, LB/M FT3 N/A 2227.642 N/A
Z (FROM DENSITY) N/A 0.7499 N/A
THERMAL COND, BTU/HR-FT-F N/A 0.01179 N/A
VISCOSITY, CP N/A 0.00884 N/A
KVIS (VISC/DENS), CSTOKE N/A 0.2477 N/A
----- TOTAL LIQUID -----
RATE, LB-MOL/HR 220.462 N/A 43.960
M LB/HR 10.557 N/A 2.802
FT3/HR 363.073 N/A 95.770
GAL/MIN 45.266 N/A 11.940
STD LIQ RATE, FT3/HR 320.671 N/A 74.230
MOLECULAR WEIGHT 47.884 N/A 63.737
ENTHALPY, BTU/LB 65.832 N/A 136.232
CP, BTU/LB-C 1.374 N/A 1.471
DENSITY, LB/FT3 29.075 N/A 29.256
Z (FROM DENSITY) 0.0609 N/A 0.0679
SURFACE TENSION, DYNE/CM 4.8046 N/A 3.9677
TH COND, BTU/HR-FT-F 0.04801 N/A 0.04455
VISCOSITY, CP 0.07889 N/A 0.08436
KVIS (VISC/DENS), CSTOKE 0.1694 N/A 0.1800
(1) STANDARD VAPOR VOLUME IS 379.48 FT3/LB-MOLE (60 F AND 14.696 PSIA)
SIMULATION SCIENCES INC. R PAGE P-7
PROJECT PRO/II VERSION 9.2 ELEC V9.0.6
PROBLEM OUTPUT
STREAM SUMMARY 04/22/16
==============================================================================
STREAM ID S1 S2 S3
NAME
PHASE DRY LIQUID DRY VAPOR DRY LIQUID
THERMO ID SRK01 SRK01 SRK01
------ DRY STREAM ------
RATE, LB-MOL/HR 220.462 176.502 43.960
M LB/HR 10.557 7.755 2.802
STD LIQ RATE, FT3/HR 320.671 246.441 74.230
MOLECULAR WEIGHT 47.884 43.935 63.737
MOLE FRACTION LIQUID 1.0000 0.0000 1.0000
REDUCED TEMP (KAYS RULE) 0.8553 0.8657 0.8801
PRES (KAYS RULE) 0.3918 0.3803 0.4463
ACENTRIC FACTOR 0.1654 0.1517 0.2207
WATSON K (UOPK) 14.383 14.784 13.275
STD LIQ DENSITY, LB/FT3 32.920 31.467 37.746
SPECIFIC GRAVITY 0.5279 0.5045 0.6052
API GRAVITY 136.568 148.951 102.297
------ DRY VAPOR -------
RATE, LB-MOL/HR N/A 176.502 N/A
M LB/HR N/A 7.755 N/A
M FT3/HR N/A 3.481 N/A
STD VAP RATE(1), M FT3/HR N/A 66.980 N/A
SPECIFIC GRAVITY (AIR=1.0) N/A 1.517 N/A
MOLECULAR WEIGHT N/A 43.935 N/A
CP, BTU/LB-C N/A 0.936 N/A
DENSITY, LB/M FT3 N/A 2227.642 N/A
THERMAL COND, BTU/HR-FT-F N/A 0.01179 N/A
VISCOSITY, CP N/A 0.00884 N/A
KVIS (VISC/DENS), CSTOKE N/A 0.2477 N/A
------ DRY LIQUID ------
RATE, LB-MOL/HR 220.462 N/A 43.960
M LB/HR 10.557 N/A 2.802
FT3/HR 363.073 N/A 95.770
GAL/MIN 45.266 N/A 11.940
STD LIQ RATE, FT3/HR 320.671 N/A 74.230
SPECIFIC GRAVITY (H2O=1.0) 0.5279 N/A 0.6052
MOLECULAR WEIGHT 47.884 N/A 63.737
CP, BTU/LB-C 1.374 N/A 1.471
DENSITY, LB/FT3 29.075 N/A 29.256
SURFACE TENSION, DYNE/CM 4.8046 N/A 3.9677
THERMAL COND, BTU/HR-FT-F 0.04801 N/A 0.04455
VISCOSITY, CP 0.07889 N/A 0.08436
KVIS (VISC/DENS), CSTOKE 0.1694 N/A 0.1800
(1) STANDARD VAPOR VOLUME IS 379.48 FT3/LB-MOLE (60 F AND 14.696 PSIA)
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