TAPPI PAGE 1 BOILER NO.: REMARKS: BOILER MAKE RATED AT 820 TONS/DAY POUNDS OF DRY SOLIDS PER DAY 2.580 MM lbs RATED STEAM CAPACITY 424,100 lb/hr LOAD DURING TEST 424,100 lb/hr STEAM HEADER PRESSURE 850 Psig DRUM PRESSURE 980 Psig STEAM HEADER TEMPERAURE 760 F DRUM WATER TEMPERATURE 544 F FEEDWATER TEMPERATURE 290 F ECON OUTLET WATER TEMPERATURE 475 F SOOT BLOWING STEAM FLOW NUMBER OF WATER WALLS 4 CONTINUOUS BLOWDOWN 0.00 % -HEAVY BLACK LIQUOR DRY SOLIDS ANALYSIS- SODIUM, NA 19.07 % CARBON, C 37.24 % HYDROGEN, H 3.78 % SULFUR, S 4.76 % OXYGEN, O 32.02 % POTASSIUM, K 2.02 % CHLORINE, Cl 0.57 % INERTS 0.54 % REQUIRED TOTAL 100.00 -SMELT ANALYSIS- REDUCTION EFFICIENCY 100.00 % -FIELD MEASUREMENTS- SALTCAKE MAKEUP O2 IN FLUE GAS (DRY BASIS) 2.80 % O2 IN FLUE GAS (WET BASIS) 2.26 % COMBUSTIBLES IN FLUE GAS AIR TEMPERATURE TO FURNACE 300 F FLUE GAS TEMPERATURE 405 F -CALCULATED VOLUMETRIC PERCENTAGES OF FLUE GASES- CO2 % IN WET FLUE GAS 13.17 % H2O % IN WET FLUE GAS 19.21 % TAPPI PAGE 2 BOILER NO.: REMARKS: -HEAVY BLACK LIQUOR INPUT- HEAVY BLK LIQUOR FROM STORAGE 143,333 lb/hr 207 gpm GROSS HEATING VALUE OF HVY BLK LIQUOR 6,290 Btu/lb SOLIDS IN HVY BLK LIQUOR AS FIRED 75.00 % HVY BLK LIQUOR TEMPERATURE AS FIRED 260 F LIQUOR HEATED BY DIRECT STEAM INJECTION. -INPUT ADJUSTMENTS- DRY SOLIDS IN HVY BLK LIQ= 107,500 lb/hr SALTCAKE MAKEUP= WATER IN HVY BLK LIQ.= 0.3333 lb/lb TOTAL WATER INPUT= 0.3333 lb/lb TOTAL SODIUM= 0.1907 lb/lb TOTAL SULFUR= 0.0476 lb/lb -MATERIAL BALANCE- -SMELT PRODUCTS- SMELT TEMPERATURE= 1,550 F NA2S= 0.1161 lb/lb NA2SO4= 0.0000 lb/lb NACL= 0.0094 lb/lb NA2CO3= 0.2735 lb/lb K2CO3= 0.0357 lb/lb INERTS IN SMELT= 0.0054 lb/lb SMELT WEIGHT FROM FURNACE= 0.4401 lb/lb NA2S FROM SALTCAKE REDUCTION= NA2S FROM DRY SOLIDS= 0.1161 lb/lb SULFUR IN SMELT= 0.0476 lb/lb -GASEOUS COMBUSTION PRODUCTS- CO2= 1.2480 lb/lb SO2= WATER FROM COMBUSTION= 0.3402 lb/lb -THEORETICAL COMBUSTION AIR- O2 IN GASEOUS COMBUSTION PROD AND SMELT= 1.3460 lb/lb O2 IN FUEL AND FROM SALTCAKE RED.= 0.3202 lb/lb THEORETICAL O2 REQUIRED FROM AIR= 1.0258 lb/lb THEORETICAL COMBUSTION AIR= 4.4338 lb/lb TAPPI PAGE 3 BOILER NO.: REMARKS: -GAS WEIGHTS THRU UNIT- EXCESS AIR= 15.00 % TOTAL DRY AIR= 5.0989 lb/lbx 107,500 lbBD BL/hr=548,131.75lb da/hr O2 AND N2 IN FLUE GAS= 4.0731 lb/lb TOTAL DRY FLUE GAS= 5.3211 lb/lb MOISTURE IN AIR TO FURNACE= 0.0663 lb/lb TOTAL MOISTURE IN FLUE GAS= 0.7398 lb/lb WET FLUE GAS= 6.0610 lb/lb ID FAN REQUIREMENTS= 651,551 lbs/hr AIR TO FD FAN= 4.7886 lb/lbx 107,500lb BD BL/hr=514,774.50lb da/hr FD FAN REQUIREMENTS= 514,770 lbs/hr *****Air Infiltration= 5.0989 - 4.7886 = 0.3103 lb/lbx 107,500 lbBD BL/hr= 33,357.25lb da/hr -HEAT INPUT (Btu/lb SOLIDS)- DRY SOLIDS GROSS HEATING VALUE= 6,290 Btu/lb SENSIBLE HEAT OF HVY BLK LIQUOR= 160.80 Btu/lb SENSIBLE HEAT IN SOOTBLOWING STEAM= SENSIBLE HEAT IN BLOWDOWN= 0.00 Btu/lb SENSIBLE HEAT IN AIR TO FURNACE= 254.94 Btu/lb TOTAL HEAT INPUT= 6,705.74 Btu/lb -HEAT LOSSES (% OF HEAT INPUT)- DRY STACK SENSIBLE HEAT LOSS= 6.19 % SENSIBLE HEAT OF MOISTURE IN AIR LOSS= 0.14 % LOSS DUE TO HYDROGEN IN LIQUOR SOLIDS= 6.02 % LOSS DUE TO WTR EVAP IN FURN. AND DCE= 5.90 % MOLTEN SMELT LOSS= 3.81 % SALTCAKE REDUCTION LOSS= HEAT OF REACTION CORRECTION= 9.61 % HEAT LOSS FROM CO= HEAT LOSS FROM SOOT BLOWING RADIATION LOSS= 0.29 % CONTINUOUS BLOWDOWN LOSS= 0.00 % UNACCOUNTED FOR LOSS= 2.00 % TOTAL HEAT LOSS= 33.97 % THERMAL EFFICIENCY= 66.03 % -CALCULATED VALUES FROM TEST RESULTS- ACTUAL STEAM PRODUCED= 427,500 lb/hr STEAM PER POUND LIQUOR SOLIDS= 3.98 lb/lb STEAM PER MMBTU'S= 592.98 lb/MMBtu BOILER WIDTH 20.83 Ft. BOILER DEPTH 32.17 Ft. HEIGHT TO BULL NOSE 117.50 Ft. ASPECT RATIO 4.54 HEARTH HEAT RELEASE 1.009 MMBtu/Sq Ft/Hr FURNACE VOLUME PER MILLION Btu/Hr. 116 Cubic Foot Vers. 10-26-90 nesjr