Perancangan Alat Proses Styrene Production

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Perancangan Alat Proses Teknik Kimia UNIVERSITAS SULTAN AGENG TIRTAYASA

Transcript of Perancangan Alat Proses Styrene Production

  • 1. V-401 Letaknya Vertikal Carbon Steel L/D = 3 Volume Vessel = 34,7 m3 Kondisi Operasi , P = 99 kPa = 14.36 psi T = 65 C= 149 F Asumsi , Grade SA285 Type head = torispherichal E = 1 (full) S = 12900 psi pada T = 149 F Corrosion allowance = 0,125 inch Design Vessel (V-401)

2. = (2*0,0778*D3) + (*0,5D2*3D) D = (34,7/2,5106)^1/3 = 2,39984937 m = 94,48225866 inchi R = 47,24112933 inchi L/D = 3 L = 3*D = 3*2,39984937 = 7,199 m = 283,45 inch Pembuktian volume vessel Volume Vessel =(2*0,0778*D3) + (*0,5D2*3D) = (2*0.0778*2.3998 m 3) + (3.14*(0.5*2.3998m) 2*3*2.3998m) = 2.15 + 32.55 = 34.7 m 3 (Hasil yang diperoleh sama dengan volume vessel dalam data) Volume Vessel = (2*V head ) + V silinder 3. Thickness Cylinder (Buku Towler) = (14.36 psi*94.48inch)/(2*12900*1-14.36) = 0.0526 inch + 0.125 = 0.178 inch Thickness Torispherical = 0.885*(14.36psi*47.24inch)/(12900-(0.1*14.36)) = 0.0465 inch + 0.125 = 0.1715 inch t = (P*D)/(2*S*E-P) t = 0,885*(P*R/(S*E-0,1*P)) 4. V-402 Letaknya Horizontal Carbon Steel L/D = 3 Volume Vessel = 5 m3 Kondisi Operasi , P = 66 kPa = 9.57 psi T = 65 C= 149 F Asumsi , Grade SA285 Type head = torispherichal E = 1 (full) S = 12900 psi pada T = 149 F Corrosion allowance = 0,125 inch Design Vessel (V-402) 5. = (2*0,0778*D3) + (*0,5D2*3D) D = (5 /2,5106)^1/3 = 1.258 m = 49.527 inchi R 24.764 inchi L/D = 3 L = 3*D = 3* 49.527 inch = 148.581 inch Pembuktian volume vessel Volume Vessel = (2*0,0778*D3) + (*0,5D2*3D) = (2*0.0778* 1.258 m 3) + (3.14*(0.5* 1.258 m) 2*3* 1.258 m) = 0.3098 + 4.6885 = 5 m3 (Hasil yang diperoleh sama dengan volume vessel dalam data) Volume Vessel = (2*V head ) + V silinder 6. Thickness Cylinder (Buku Towler) = (9.57 psi*49.527inch)/(2*12900*1- 9.57) = 0.0184 inch + 0.125 = 0.143 inch Thickness Torispherical = 0.885*(9.57 psi*24.764 inch)/(12900-(0.1* 9.57)) = 0.016 inch + 0.125 = 0.141 inch t = (P*D)/(2*S*E-P) t = 0,885*(P*R/(S*E-0,1*P)) 7. V-403 Letaknya Horizontal Carbon Steel L/D = 3 Volume Vessel = 5 m3 Kondisi Operasi , P = 66 kPa = 9.57 psi T = 119.5 C= 247.1 F Asumsi , Grade SA285 Type head = torispherichal E = 1 (full) S = 12900 psi pada T = 149 F Corrosion allowance = 0,125 inch Design Vessel (V-403) 8. = (2*0,0778*D3) + (*0,5D2*3D) D = (5 /2,5106)^1/3 = 1.258 m = 49.527 inchi R 24.764 inchi L/D = 3 L = 3*D = 3* 49.527 inch = 148.581 inch Pembuktian volume vessel Volume Vessel = (2*0,0778*D3) + (*0,5D2*3D) = (2*0.0778* 1.258 m 3) + (3.14*(0.5* 1.258 m)2*3* 1.258 m) = 0.3098 + 4.6885 = 5 m3 (Hasil yang diperoleh sama dengan volume vessel dalam data) Volume Vessel = (2*V head ) + V silinder 9. Thickness Cylinder (Buku Towler) = (9.57 psi*49.527inch)/(2*12900*1- 9.57) = 0.0184 inch + 0.125 = 0.143 inch Thickness Torispherical = 0.885*(9.57 psi*24.764 inch)/(12900-(0.1* 9.57)) = 0.016 inch + 0.125 = 0.141 inch t = (P*D)/(2*S*E-P) t = 0,885*(P*R/(S*E-0,1*P)) 10. Design Tower (T-401) Kondisi Operasi , P = 66 kPa = 9.57 psi T = 119,5 C = 247,1 F Asumsi , Grade SA285 Type head = torispherichal E = 1 (full) S = 12900 psi , T = 247,1 F Corrosion allowance = 0.125 = 30 L= 28 m = 1102,36 inchi topDiameter (D) = 3,6 m =141,73 inchi Bottom Diameter (d) = 2,7 m = 106,29 inchi H = 0,2887*(D-d) = 0,2887*(3,6-2,7) = 0,2598 m Volume Tower Torisperichal Vo = 0,0778*D3 = 0,0778*(3,6)3 = 3,6298 m3 Cylindrical Shell V = *r2*t = 3,14*(1,82)*28 = 284,86 m3 Cone V = 0,262*H*(D2+Dd+d2) = 0,262*0,2598*(3,62+(3,6*2,7)+2,72) = 2,04 m3 Vtot = 3,6298 m3 + 284,86 m3 + 2,04 m3 = 290,48 m3 11. Thickness Torispherical Head t = 0,885*(P*R)/(S*E-0,1*P)) = 0,046 inch t = t + 2*CA = 0,046 inch + (2* 0,125) = 0,171 inchi Thickness Cylindrical Shell t = P*D/(2*S*E-P) = 0,0526 inchi t = t + 2*CA = 0,0526 inch + (2* 0,125) = 0,1776 inchi Thickness Conical t = P*D/(2*cos*(S*E-0,6*P)) = 0,061 inchi t = t + 2*CA = 0,061 + (2*0,125) = 0,186 inchi 12. Design Tower (T-402) Kondisi Operasi , P =210 kPa = 30,45 psi T = 124,5 C =256,1 F Asumsi , Grade SA285 Type head = torispherichal E = 1 (full) S = 13800 psi , T = 256,1 F Corrosion allowance = 0.125 t = 34,5 m = 1358,27 inchi D = 4,1 m = 161,42 inchi L/D = 42/5 Volume Tower = 465,981 m3 Volume Tower Torisperichal V = 0,0778*D3 = 0,0778*(4,1)3 = 5,362 m3 Vtot head = 2*V = 10,724 m3 Cylindrical Shell V = *r2*t = 3,14*(2,052)*34,5 = 455,257 m3 Vtot = 10,724 m3 + 455,257 m3 = 465,981 m3 13. Thickness Torispherical Head t = 0,885*(P*R)/(S*E-0,1*P)) = 0,158 inch t = t + 2*CA = 0,158 + (2* 0,125 ) = 0,4836 inchi Thickness Cylindrical Shell t = P*D/(2*S*E-P) = 0,178 inchi t = t + 2*CA = 0,178 + (2* 0,125 ) = 0,428 inchi