Calculate a heat balance from these data: Coal analysis: C, 60.74; H₂, 4.00; S, 1.32; O2, 8.24; N2, 1.15; H₂O, 12.85; ash, 11.70. Qh=6293 kcal/kg Flue gas analysis: CO2, 12; CO, 1; 02, 7; N2, 80. Atmospheric temperature, 21.1 °C; flue gas temperature, 260 °C. Heat transfer to steam per kg coal, 4620 kcal Refuse in pit per tonne coal burned 42.2 kg, free combustible. Fly ash sampling showed 25% combustible in it. The generating unit has capacity of 29484 kg per hr was tested at a load of 22680 kg per hr. Two of the furnace side side walls are water cooled. For refuse Q₁-8117 kcal/kg
Calculate a heat balance from these data: Coal analysis: C, 60.74; H₂, 4.00; S, 1.32; O2, 8.24; N2, 1.15; H₂O, 12.85; ash, 11.70. Qh=6293 kcal/kg Flue gas analysis: CO2, 12; CO, 1; 02, 7; N2, 80. Atmospheric temperature, 21.1 °C; flue gas temperature, 260 °C. Heat transfer to steam per kg coal, 4620 kcal Refuse in pit per tonne coal burned 42.2 kg, free combustible. Fly ash sampling showed 25% combustible in it. The generating unit has capacity of 29484 kg per hr was tested at a load of 22680 kg per hr. Two of the furnace side side walls are water cooled. For refuse Q₁-8117 kcal/kg
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:Cakulate a heat balance from these data:
Coal analys is: C, 60.74; H2, 4.00; S, 1.32; O2, 8.24; N2, 1.15; H2O, 12.85; ash, 11.70.
Qh=6293 kcal/kg
Fhie gas analysis: CO2, 12; CO, 1; O2, 7; N2, 80.
Atmospheric temperature, 21.1 °C; fue gas temperature, 260 °C.
Heat transfer to steam per kg coal, 4620 kcal
Refuse in pit per tomne coal buned 42.2 kg, free combustible. Fly ash sampling showed 25%
combustib le in it. The generating unit has capacity of 29484 kg per hr was tested at a load of
22680 kg per hr. Two of the frnace side side walls are water cooled.
For refuse Qh=8117 kcal/kg
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