Rotary dryer

1. Rotary Dryer (RD)
Parameter Operasi :
Laju alir massa kayu (Fs) = 41754.2 kg/jam 91859.24 lb/jam
Massa jenis kayu kering = 33.1 lb/ft3 531.3223345 kg/m3
Diameter partikel kayu (Dp) 20 mm 20000 um
Berat gas panas (Fg) = 44503.1501 kg/jam 97906.93022 lb/jam
Temperatur gas panas masuk = 1021 oC = 1294.15 K
Temperatur gas panas keluar = 91.35483594 oC = 364.50 K
Beban panas rotary dryer aktual (Qaktual) = 288710443.5 kJ/hr 273870726.7 Btu/hr
True Mean Temperature Difference = 929.65 K
Diameter Rotary dryer desain = 1.899745738 m 6.269160936 ft
Volume Kayu = 78.58544106 m3 2775.203625 ft3
Rasio Volume RD/Volume kayu = 6 6
Volume Rotary Dryer desain = 471.5126464 m3 16651.22175 ft3
Luas Penampang Rotary dryer = 2.833091587 m2 30.85236739 ft2
Kecepatan alir massa gas = 3173.400893 lb/jam ft2
Beban panas rotary dryer desain (Qdesain) = 273870726.7 Btu/hr
Panjang Rotary dryer desain = 166.4304283 m 539.7064525 ft
Ditentukan:
Jumlah putaran rotary dryer = 4 r/min
= 0.08 ft/ft
Slope (kemiringan) rotary dryer
B (konstanta tergantung dg Dp) = 0.035355339
Kecepatan alir massa kayu = 2977.380596 lb/jam ft2
= 71.07748435 +/- 12.20265838 min
= 2
= 0.158312145 m
= 684757.2898 lb
Time of passage
Jumlah flight
Tinggi flight
Estimasi berat kosong RD
Berat kosong RD plus material = 776616.5298 lb
Brake horse power (bhp) dari RD = 169.1177528 bhp 126.8383146 kW
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