Calculate heat loss to be recovered? Surface heat loss Fuel-100F 403,800 cfh 415,880,000 Btu/hr Combustion air-100F...
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Calculate heat loss to be recovered? Surface heat loss Fuel-100°F 403,800 cfh 415,880,000 Btu/hr Combustion air-100°F 5,250,000 cfh 6,300,000 Btu/hr Product-100°F 50 tons/hr 500,000 Btu/hr Cooling H₂0-80° F 36,000 gph 12,000,000 Btu/hr Cooling H₂0-191°F 36,000 gph 39,300,000 Btu/hr Stack gas-2200°F 5,700,000 cfh 265,800,000 Btu/hr Product-2000°F 50 tons/hr 34,900,000 Btu/hr FOR DIRECT FIRED UNITS FOR ALL PROCESS UNITS Waste heat survey WASTE HEAT SURVEY SURVEY FORM FOR INDUSTRIAL PROCESS UNITS NAME OF PROCESS UNIT Tube Reheat Furnace INVENTORY NUMBER. DE-37 LOCATION OF PROCESS UNIT, PLANT NAME Plattsburg Works BUILDING B MANUFACTURER Symonds ENGING Ltd_MODEL 50-DE-2. SERIAL NUMBER 19031 FIRING HHV NAME RATE Net.qus 408.3 1030 PRIMARY FUEL FIRST ALTERNATIVE #2 01 52.729 131,5m SECOND ALTERNAT. FLUID COMPOSITION FLOW RATE INLET TEMPERATURE OUTLET TEMPERATURE DESCRIPTION TEMPERATURE OF FLUE GAS COMPOSITION % VOLUME AIR FUEL STACK CO₂ 0₂ со CH₂ N₂ COMS 100F 100F 2200F 7.80 6.30 0.50 25.44 100F 100F 2200 F 9.30 7.72 0.79 82.19 FLOW PATH Steel Tubes 50 Tons/h FLOW PATH 2 FLOW PATH Water LOOF 2000 F 191°F Product Cooling Water 5700 3 FLOW PATH 4 ANNUAL HOURS OPERATION SEC. ALTERN.. ANNUAL CAPACITY FACTOR, % ANNUAL FUEL COMSUMPTION: PRIMARY FUEL 139XCE; FIRST ALTERN. 437 PRESENT FUEL COST: PRIMARY FUEL 3.21/MCE, FIRST ALTERN.. 595/2/SEC. ALTERN.. ANNUAL ELECTRICAL ENERGY COMSUMPTION, KWHR. 2,047, 000 PRESENT ELECTRICAL ENERGY RATE 0.0278 HEAT CONTENT, BTU PER CUBIC FT 100 95 90 85 80 75 70 65 60 55 50 40 35 30 25 95 20 15 10 5 CO₂ 1000 H₂0 0₂ 2000 TEMPERATURE, OF Figure 8.10 Heat content vs. temperature. 3000 1₂ CAIR 4000 Calculate heat loss to be recovered? Surface heat loss Fuel-100°F 403,800 cfh 415,880,000 Btu/hr Combustion air-100°F 5,250,000 cfh 6,300,000 Btu/hr Product-100°F 50 tons/hr 500,000 Btu/hr Cooling H₂0-80° F 36,000 gph 12,000,000 Btu/hr Cooling H₂0-191°F 36,000 gph 39,300,000 Btu/hr Stack gas-2200°F 5,700,000 cfh 265,800,000 Btu/hr Product-2000°F 50 tons/hr 34,900,000 Btu/hr FOR DIRECT FIRED UNITS FOR ALL PROCESS UNITS Waste heat survey WASTE HEAT SURVEY SURVEY FORM FOR INDUSTRIAL PROCESS UNITS NAME OF PROCESS UNIT Tube Reheat Furnace INVENTORY NUMBER. DE-37 LOCATION OF PROCESS UNIT, PLANT NAME Plattsburg Works BUILDING B MANUFACTURER Symonds ENGING Ltd_MODEL 50-DE-2. SERIAL NUMBER 19031 FIRING HHV NAME RATE Net.qus 408.3 1030 PRIMARY FUEL FIRST ALTERNATIVE #2 01 52.729 131,5m SECOND ALTERNAT. FLUID COMPOSITION FLOW RATE INLET TEMPERATURE OUTLET TEMPERATURE DESCRIPTION TEMPERATURE OF FLUE GAS COMPOSITION % VOLUME AIR FUEL STACK CO₂ 0₂ со CH₂ N₂ COMS 100F 100F 2200F 7.80 6.30 0.50 25.44 100F 100F 2200 F 9.30 7.72 0.79 82.19 FLOW PATH Steel Tubes 50 Tons/h FLOW PATH 2 FLOW PATH Water LOOF 2000 F 191°F Product Cooling Water 5700 3 FLOW PATH 4 ANNUAL HOURS OPERATION SEC. ALTERN.. ANNUAL CAPACITY FACTOR, % ANNUAL FUEL COMSUMPTION: PRIMARY FUEL 139XCE; FIRST ALTERN. 437 PRESENT FUEL COST: PRIMARY FUEL 3.21/MCE, FIRST ALTERN.. 595/2/SEC. ALTERN.. ANNUAL ELECTRICAL ENERGY COMSUMPTION, KWHR. 2,047, 000 PRESENT ELECTRICAL ENERGY RATE 0.0278 HEAT CONTENT, BTU PER CUBIC FT 100 95 90 85 80 75 70 65 60 55 50 40 35 30 25 95 20 15 10 5 CO₂ 1000 H₂0 0₂ 2000 TEMPERATURE, OF Figure 8.10 Heat content vs. temperature. 3000 1₂ CAIR 4000
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We must add up the heat losses from each component to determine the overall amount of heat loss that ... View the full answer
Related Book For
Elementary Principles of Chemical Processes
ISBN: 978-0471720638
3rd Edition
Authors: Richard M. Felder, Ronald W. Rousseau
Posted Date:
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