Perhitungan Spesifikasi Alat Pompa [PDF]

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m 1 2 3 4 5 6 7 8 9



viscosity 0.7612 0.7944 0.8302 0.8754 0.916 0.9544 1.0204 1.0488 1.0773



menghitung debit pompa m density campuran debit faktor keamanan 10% debit dengan keamanan debit Menghitung diameter optimal pipa Diopt Dnominal schedule no OD ID Tebal pipa Inside sectional area Menghitung bilangan reynold V miu Nre Menghitung faktor friksi



1763.35 3887.517 76.21997 51.00391 0.014168 1.1 0.015585 6.994953 0.75102 0.75 0.0625 40 1.05 0.0875 0.824 0.068667 0.113 0.333 0.087048 0.179034 0.001093 857.126



e/d f (faktor friksi) Menghitung panjang ekivalen Jenis pipa lurus horizontal pipa lurus vertikal elbow standar (90o) gate valve check valve (fully open) Globe valve Venturi Sharp edged entrance (k=0.5) Total Menghitung Daya persamaan fanning tinggi mixer tinggi top mixer ke pipa tinggi tangki urea delta Z delta Z g/gc P1 operasi densitas urea Phidrolik P1 P2 delta P delta P/rho velocity head (-wf) Menghitung BHP BHP BHP aktual tenaga motor



0.0018 0.0035 Jumlah



5 2 1 1 1 1



0.02285 26.2 85.95801 0.5 1.64042 12 75.59843 75.59843 1 76.22022 29405.76 0.437608 1.437608 3002.512 1 2088.547 -913.9643 -11.9911 0 63.63018 75.58349 0.137425 0.196321 0.261761



density 1.0086 1.0219 1.0339 1.045 1.0551 1.0645 1.0732 1.0812 1.0886



1.2 1 0.8



Viscosity



0.6 0.4 0.2 0 0



viscosity density



kg/jam lb/jam lb/ft3 ft3/jam ft3/detik ft3/detik gal/menit in in ft in ft in ft in in2 ft2 ft/s lb/ft.s (asumsi laminar benar)



1.6268833195 cp 1.2209299997 g/cm3



menghitung volume tangki urea waktu tinggal urea flowrate keluar tangki densitas urea volume aktual volume tangki tinggi tangki diameter tangki volume baru dari ref tinggi dari ref diameter dari ref excess volume



8 hari 1763.35 kg/jam 1.22093 g/cm3 1220.93 kg/m3 1.444268 m3/jam 277.2994 m3 1744.213 bbl 9792.746 ft3 12.06051 ft 32.16137 ft 2060 bbl 12 35 18.10481



L/Di



Le (ft)



30 13 50 340 220 23



ft.lbf/lbm m ft m ft ft ft ft.lbf/lbm atm lb/ft3 lb/ft.s2 bar bar lbf/ft2 atm lbf/ft2 lbf/ft2 ft.lbf/lbm ft.lbf/lbm ft.lbf/s HP HP HP



82.021 ft 87.59843 ft 10.3 ft 1.7853333333 ft 3.4333333333 ft 23.3466666667 ft 15.1066666667 ft 1.5793333333 ft 225.1707633333 ft



y=0.0415x+0.7125



viscosity 1.2 1



f(x) = 0.04145x + 0.7125388889 R² = 0.9944847506



0.8



Viscosity



0.6 0.4 0.2 0 0



1



2



3



4



5



molalitas



menghitung volume mixer waktu tinggal flowrate keluar mixer densitas lumpur tinja densitas urea densitas rumen flowrate lumpur tinja flowrate rumen flowrate urea sekali batch lumpur tinja sekali batch urea sekali batch rumen volumetrik umpan mixer H:D D volume head eliptical volume silinder luas silinder tinggi cairan dalam silinder tinggi ruang kosong 10%



1 hari 135360.5 kg/jam 1411 kg/m3 1220.93 kg/m3 1540 kg/m3 101920.1 kg/jam 31677.03 kg/jam 1763.35 kg/jam 1733.581 m3/batch 34.66243 m3/batch 493.668 m3/batch 2261.911 m3/batch 79878.71 ft3/batch 2 banding 37.05474 ft 444.6569 in 3.86674 ft 79874.84 ft3 1077.847 ft2 74.1059 ft 81.51649 ft 24.84622 m



6



7



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10



=0.0415x+0.7125



viscosity



5



den 1.1



f(x) = 0.0099333333x + R² = 0.9913535832



1.08



viscosity



1.06



Linear (viscosity)



1.04



Density



1.02 1



6



7



8



9



10



0.98



itas



0.96 0



1



2



3



4



5



molalitas



Menghitung tekanan desain P operasi densitas cairan fraksi lumpur tinja fraksi urea fraksi rumen densitas campuran g/gc Phidrostatik P desain r c f E ts k vh th b sf Th



1 atm 14.6959 lbf/in2 0.752953 0.013027 0.23402 1438.712 kg/m3 89.81594 lb/ft3 1 7321.48 lbf/ft2 50.84358 lbf/in2 65.53948 psi 4.459712 atm 222.3285 in 0.125 18750 0.8 1.098973 2 1 1.096844 24 1.5 26.59684 in 0.67556 m



6



tinggi mixer total



26.19734 m



density f(x) = 0.0099333333x + 1.0027777778 R² = 0.9913535832 density Linear (density)



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5



molalitas



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