drying calculation

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Page 1: Drying Calculation
Page 2: Drying Calculation
Page 3: Drying Calculation
Page 4: Drying Calculation
Page 5: Drying Calculation
Page 6: Drying Calculation
Page 7: Drying Calculation
Page 8: Drying Calculation
Page 9: Drying Calculation

Given value Dry matter Wet Material Dried MaterialCalculated value Gs Ge Ga

Dry Material Gs [kg] GsWet Material Ge [kg] Ge

Dried Material Ga [kg]Evapor. Moisture Gd [kg]

Moisture in Wet Mat. Gwe [kg]Moisture in Dried Mat. Gwe [kg]

Page 10: Drying Calculation

Dry matter Wet Material Dried Material Initial moisture related to dry MatterGs Ge Ga Rezidual moisture related to dry Matter

6.00 6.48 6.48 Rezidual moisture related to wet Material7.50 7.20 7.20 Initial moisture related to dried Material6.60 6.55 6.550.90 0.65 0.661.50 0.72 0.720.60 0.07 0.07

Page 11: Drying Calculation

Xe= 0.25Xa= 0.1Ze= 0.1Za= 0.01

Page 12: Drying Calculation

A B C D EWet material

feed rate t/h 7.20 7.71 8.31 12.00 12.86Moisture % 25 30 35 25 30temperature ˚C 25 25 25 25 25enthalpy kcal/kg Err:511 Err:511 Err:511 Err:511 Err:511heat input kcal/h Err:511 Err:511 Err:511 Err:511 Err:511

Dryied materialthroughout t/h 6.00 6.00 6.00 10.00 10.00Moisture % 10 10 10 10 10temperature ˚C 90 90 90 90 90enthalpy kcal/kg Err:511 Err:511 Err:511 Err:511 Err:511heat output kcal/h Err:511 Err:511 Err:511 Err:511 Err:511

Dry solid t/h 5.4 5.4 5.4 9 9Water evaporation t/h 1.20 1.71 2.31 2.00 2.86

Hot gasQuantity Nm3/h 38902 52562 62386 58932 79846Temperature ˚C 100 100 200 200 200O2 % 21 21 21 21 21CO2 % 0 0 0 0 0N2 % 79 79 79 79 79H2O % 0 0 0 0 0enthalpy kcal/kg Err:511 Err:511 Err:511 Err:511 Err:511Heat input kcal/h Err:511 Err:511 Err:511 Err:511 Err:511

Exhaust gasQuantity Nm3/h 40395 54694 65256 61420 83399Temperature ˚C 20 20 100 100 100O2 % 20.22 20.18 20.08 20.15 20.11CO2 % 0.00 0.00 0.00 0.00 0.00N2 % 76.08 75.92 75.53 75.80 75.63H2O % 3.69 3.90 4.40 4.05 4.26enthalpy kcal/kg Err:511 Err:511 Err:511 Err:511 Err:511Heat output kcal/h Err:511 Err:511 Err:511 Err:511 Err:511

Heat loss % 10 10 10 10 10heat loss kcal/h Err:511 Err:511 Err:511 Err:511 Err:511

Balance of heat Err:511 Err:511 Err:511 Err:511 Err:511

B8
Qiang.Niu: for dry wood chip: 1.35J/g/˚C.
Page 13: Drying Calculation

F

13.853525 ooo

Err:511Err:511

1.35 0.32244210.001090

Err:511Err:511

93.85

103976200210790

Err:511Err:511

108760 468000100

20.08 300.00460.0075.534.40

Err:511Err:511

10Err:511

Err:511