Following is an excerpt from an FRNC-5PC output
** PFR DIRECT FIRED HEATER COMPUTER PROGRAM ** ** FURNACE ID - ** FRNC-5 ** MOD 6.6
** FINAL PRINTOUT ** ** LOCATION -HERE IS ** U.S. UNITS **
** SERVICE-REFORMER REACTOR FURNACE ** ENGINEER -JIM F. ** CASE ID-TEST 5 **
-- REV 0000.PC660 05/01/2000 ------------------------------------------------------------------------------------------------
** FRNC5 TEST CASE 5 - REFORMER REACTOR FURNACE
**
**
*FURNACE ID.- LOCATION - HERE IS SERVICE - REFORMER REACTOR FURNACE CASE ID.- TEST 5
-------------------------------------------------------------------------------------------------------------------
*TOTAL DUTY, MMBTU/HR 176.614 FIRING RATE, MMBTU/HR 222.800 PERCENT DUTY ABSORBED IN FIREBOX(ES) 61.6
NO.OF NON-IDENTICAL FIREBOXES 4 EFFICIENCY (LHV), PCT. 79.0 FLUE GAS STACK ENTRY TEMPERATURE (F) 714.0
EFFICIENCY (HHV), PCT. 72.5
(TOTAL HEAT INPUT BASIS)
FIREBOX ID.- 10 NO.FIREBOXES 1 FIRING RATE,MMBTU/HR 100.100 EXCESS AIR,PCT 37.7 GAS TEMP.LEAVING (F) 1688.1
(LHV BASED) (BRIDGEWALL)
FIREBOX ID.- 20 NO.FIREBOXES 1 FIRING RATE,MMBTU/HR 49.500 EXCESS AIR,PCT 37.7 GAS TEMP.LEAVING (F) 1701.7
(LHV BASED) (BRIDGEWALL)
FIREBOX ID.- 30 NO.FIREBOXES 1 FIRING RATE,MMBTU/HR 41.450 EXCESS AIR,PCT 37.7 GAS TEMP.LEAVING (F) 1439.6
(LHV BASED) (BRIDGEWALL)
FIREBOX ID.- 40 NO.FIREBOXES 1 FIRING RATE,MMBTU/HR 31.750 EXCESS AIR,PCT 37.7 GAS TEMP.LEAVING (F) 1550.0
(LHV BASED) (BRIDGEWALL)
*PROCESS STREAM INFORMATION ( * FLAGS USER INPUT)
PROCESS ABSORBED FLOW TEMPERATURE (F) PRESSURE(PSIA) PRESSURE WT.FRACT.VAPOR ENTHALPY BTU/LB
STREAM DUTY, RATE, --------------- --------------- DROP -------------- ---------------
ID. MMBTU/HR MLB/HR INLET EXIT INLET EXIT (PSI) INLET EXIT INLET EXIT
------- -------- -------- ------ ------ ------ ------ -------- ----- ----- ------ ------
10 46.54 308.40* 773.0* 947.0 357.7* 355.4 2.32 1.000 1.000 621.8* 772.7
20 56.69 308.40* 739.7* 953.5 345.7* 324.5 21.17 1.000 1.000 597.3* 778.5
30 23.08 308.40* 893.0* 976.9 326.7* 322.7 3.97 1.000 1.000 724.7* 799.5
40 16.33 308.40* 920.0* 979.0 306.7* 292.2 14.54 1.000 1.000 748.6* 801.6
60 33.98 177.70* 497.0* 499.0 694.2* 674.8 19.36 .000 .264 484.4* 675.6
** PFR DIRECT FIRED HEATER COMPUTER PROGRAM ** ** FURNACE ID - ** FRNC-5 ** MOD 6.6
** FINAL PRINTOUT ** ** LOCATION -HERE IS ** U.S. UNITS **
** SERVICE-REFORMER REACTOR FURNACE ** ENGINEER -JIM F. ** CASE ID-TEST 5 **
-- REV 0000.PC660 05/01/2000 ------------------------------------------------------------------------------------------------
** FRNC5 TEST CASE 5 - REFORMER REACTOR FURNACE
**
**
**FLUE GAS SIDE INFORMATION**
-------------------------
*FOLLOWING FURNACE SECTIONS ARRANGED IN ORDER OF GAS CONTACT*
***********************************************************************************************************************
FURNACE SECTION FLUE GAS GAS FLOW RATE GAS TEMP.(F) PRESSURE,IN.H2O GAGE HEAT HEAT VOL. HEAT
----------------- --------- ----------------- ------------- -------------------- ABSORBED LOST RELEASE
ID. TYPE ID. SEQ. MLB/HR MSCFM INLET EXIT INLET ROOF (MMBTU/HR) (MMBTU/HR) BTU/HR/FT3
---- ------------ ---- ---- -------- -------- ------ ------ ------- ------- ---------- ---------- ----------
10 FIREBOX 1050 1 113.6 25.46 1838.6 1688.1 -.683 -.199 46.545 1.001 9176.
***********************************************************************************************************************
FURNACE SECTION FLUE GAS GAS FLOW RATE GAS TEMP.(F) PRESSURE,IN.H2O GAGE HEAT HEAT VOL. HEAT
----------------- --------- ----------------- ------------- -------------------- ABSORBED LOST RELEASE
ID. TYPE ID. SEQ. MLB/HR MSCFM INLET EXIT INLET ROOF (MMBTU/HR) (MMBTU/HR) BTU/HR/FT3
---- ------------ ---- ---- -------- -------- ------ ------ ------- ------- ---------- ---------- ----------
20 FIREBOX 1051 2 56.2 12.59 1854.7 1701.7 -.683 -.199 22.843 .495 9864.
***********************************************************************************************************************
FURNACE SECTION FLUE GAS GAS FLOW RATE GAS TEMP.(F) PRESSURE,IN.H2O GAGE HEAT HEAT VOL. HEAT
----------------- --------- ----------------- ------------- -------------------- ABSORBED LOST RELEASE
ID. TYPE ID. SEQ. MLB/HR MSCFM INLET EXIT INLET ROOF (MMBTU/HR) (MMBTU/HR) BTU/HR/FT3
---- ------------ ---- ---- -------- -------- ------ ------ ------- ------- ---------- ---------- ----------
30 FIREBOX 1052 3 47.1 10.54 1590.0 1439.6 -.683 -.199 23.079 .414 4750.
***********************************************************************************************************************
FURNACE SECTION FLUE GAS GAS FLOW RATE GAS TEMP.(F) PRESSURE,IN.H2O GAGE HEAT HEAT VOL. HEAT
----------------- --------- ----------------- ------------- -------------------- ABSORBED LOST RELEASE
ID. TYPE ID. SEQ. MLB/HR MSCFM INLET EXIT INLET ROOF (MMBTU/HR) (MMBTU/HR) BTU/HR/FT3
---- ------------ ---- ---- -------- -------- ------ ------ ------- ------- ---------- ---------- ----------
40 FIREBOX 1053 4 36.0 8.07 1703.1 1550.0 -.683 -.199 16.325 .317 6327.
***********************************************************************************************************************
FURNACE SECTION FLUE GAS GAS FLOW RATE MASS GAS TEMP.(F) PRESSURE,IN.H2O GAGE HEAT HEAT
----------------- --------- ----------------- VELOCITY ------------- -------------------- ABSORBED LOST
ID. TYPE ID. SEQ. MLB/HR MSCFM LB/HR/FT2 INLET EXIT INLET DROP (MMBTU/HR) (MMBTU/HR)
---- ------------ ---- ---- -------- -------- --------- ------ ------ ------- ------- ---------- ----------
50 CONVECT. 1054 5 252.9 56.66 571.19 1625.7 1180.6 -.199 .015 33.843 .316
***********************************************************************************************************************
FURNACE SECTION FLUE GAS GAS FLOW RATE MASS GAS TEMP.(F) PRESSURE,IN.H2O GAGE HEAT HEAT
----------------- --------- ----------------- VELOCITY ------------- -------------------- ABSORBED LOST
ID. TYPE ID. SEQ. MLB/HR MSCFM LB/HR/FT2 INLET EXIT INLET DROP (MMBTU/HR) (MMBTU/HR)
---- ------------ ---- ---- -------- -------- --------- ------ ------ ------- ------- ---------- ----------
60 CONVECT. 1054 6 252.9 56.66 743.45 1180.6 714.0 -.214 .101 33.979 .110
***********************************************************************************************************************
FURNACE SECTION FLUE GAS GAS FLOW RATE MASS GAS TEMP.(F) INLET DRAFT LOSSES, IN.H2O GAGE HEAT
----------------- --------- ----------------- VELOCITY ------------- PRESSURE --------------------------- LOST
ID. TYPE ID. SEQ. MLB/HR MSCFM LB/HR/FT2 INLET EXIT IN.H2O G DAMPER ENTR. EXIT FRICT. (MMBTU/HR)
---- ------------ ---- ---- -------- -------- --------- ------ ------ -------- ------ ------ ------ ------ ----------
70 STACK 1054 7 252.9 56.66 4050.36 714.0 696.0 -.314 .171 .056 .110 .019 1.249
** PFR DIRECT FIRED HEATER COMPUTER PROGRAM ** ** FURNACE ID - ** FRNC-5 ** MOD 6.6
** FINAL PRINTOUT ** ** LOCATION -HERE IS ** U.S. UNITS **
** SERVICE-REFORMER REACTOR FURNACE ** ENGINEER -JIM F. ** CASE ID-TEST 5 **
-- REV 0000.PC660 05/01/2000 ------------------------------------------------------------------------------------------------
** FRNC5 TEST CASE 5 - REFORMER REACTOR FURNACE
**
**
**TUBESIDE INFORMATION**
--------------------
**PROCESS STREAM ID.- 10 REFORMER GAS
COIL COIL FURN. HEAT PRESS.DROP(PSI) FLUE GAS TEMP FLUE GAS PRESS. FLUE GAS
SECT SECTION SECT. DUTY --------------- ---- (F) ---- IN.H2O GAGE MAXIMUM VEL.
ID. TYPE ID. (MM-B/HR) TOTAL HEADERS INLET EXIT INLET DROP (LB/SEC/FT2)
---- ------- ----- --------- ------ ------- ------ ------ ------- ------- -----------
10 RADIANT 10 19.320 1.2 .5 1688.1 1688.1 .000 .000 .00000
11 RADIANT 10 8.937 .4 .2 1688.1 1688.1 .000 .000 .00000
12 RADIANT 10 18.288 .7 .3 1688.1 1688.1 .000 .000 .00000
TERMINAL CONDITIONS OF EACH COIL SECTIONS***
COIL POINT PROC. PRESS- TEMPER- ENTHALPY WEIGHT VELOCITY CRITICAL MASS HOMOGEN. FLOW BOILING
SECT INFO. FLOW URE ATURE FRACT. VELOCITY VELOCITY REYNOLDS
ID. AT SEQ. (PSIA) (F) (B/LB) VAPOR (FT/S) (FT/S) (LB/SEC/FT2) NUMBER REGIME REGIME
---- ----- ----- ------ ------- -------- ------ -------- -------- ----------- -------- -------- --------
10 INLET 1 357.7 773.0 621.81 1.000 44.9 1437.7 38.909 784543. TURBULNT SENSIBLE
10 EXIT 1 356.5 846.9 684.45 1.000 47.8 1479.6 38.909 767112. TURBULNT SENSIBLE
11 EXIT 2 356.1 880.1 713.43 1.000 49.1 1497.9 38.909 747783. TURBULNT SENSIBLE
12 EXIT 3 355.4 947.0 772.73 1.000 51.6 1534.1 38.909 723165. TURBULNT SENSIBLE
COIL POINT *CONVECTIVE HEAT TRANSFER COEFFICIENT * *FOULING RESISTANCE* *HEAT FLUX BASED ON BARE TUBE AREA(BTU/HR/FT2)*
SECT INFO. * (BTU/HR/FT2/F) * * 1/(BTU/HR/FT2/F) * * RADIANT * * CONVECTIVE * * TOTAL *
ID. AT INSIDE OUTSIDE HO+FIN OVERALL INSIDE OUTSIDE AVERAGE PEAK AVERAGE PEAK AVERAGE PEAK
---- ----- --------- --------- --------- --------- --------- --------- ------- ------- ------- ------- ------- -------
10 INLET 288.42 2.00 2.00 1.97 .0010 .0000 10052.5 19749.6 1924.3 3078.9 11976.8 22828.5
10 EXIT 290.73 2.00 2.00 1.97 .0010 .0000 9910.3 19470.2 1853.9 2966.2 11764.2 22436.5
11 EXIT 295.90 5.00 5.00 4.83 .0010 .0000 9651.9 18962.4 4345.5 6952.8 13997.4 25915.3
12 EXIT 301.33 2.00 2.00 1.97 .0010 .0000 9463.6 18592.5 1662.0 2659.2 11125.6 21251.7
COIL POINT ********** T E M P E R A T U R E S ( F ) **********
SECT INFO. *INSIDE FILM* *INSIDE WALL* *AVERAGE WALL* *OUTSIDE WALL* *OUTSIDE FILM* FIN TIP
ID. AT AVER. PEAK AVER. PEAK AVER. PEAK AVER. PEAK AVER. PEAK PEAK
---- ----- ------ ------ ------- ------ ------- ------ ----(SKIN)---- ------- ------ -------
10 INLET 823.1 866.2 837.6 893.1 847.7 911.9 857.8 930.7 857.8 930.7 .0
10 EXIT 895.8 937.8 910.0 964.3 919.9 982.7 929.8 1001.2 929.8 1001.2 .0
11 EXIT 937.2 983.7 954.1 1014.4 965.9 1035.8 977.7 1057.2 977.7 1057.2 .0
12 EXIT 991.6 1030.2 1005.0 1055.2 1014.4 1072.7 1023.8 1090.3 1023.8 1090.3 .0
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