PERHITUNGAN SPESIFIKASI PERLATAN
C.40 Bucket Elevator (BE-03)
Fungsi : Mengangkut Produk Dimetil tereftalat padatan ke bin-02 pada gudang
Jenis : Bucket elevator type centrifugal discharge
Dari tabel 21-8 Perry, 1997 dipilih ukuran bucket elevator standar :
Laju alir = 7578,791 kg/jam
Kapasitas bucket elevator = 14 ton/jam
Tinggi = 75 ft
Panjang bucket = 6 in
Lebar bucket = 4 in
Kedalaman bucket = 4,25 in Jarak antar bucket = 12 in Kecepatan bucket = 225 ft/menit
Rpm head shaft = 43 jam
Hp required head shaft = 1,681835
Hp tambahan = 0,28 hp
Head Shaft diameter = 1 15/16 hp Tail Shaft diameter = 1 11/16 in Head Pulley diameter = 20 in Tail Pulley diameter = 14 in
Lebar belt = 7 in
C.41 Pompa (P-01)
Fungsi : Mengalirkan fresh metanol dari tangki penyimpan (TP-01) ke vaporizer (VP-03)
Jenis : Single stage Centrifugal pump, 3500 rpm
Jumlah : 1 unit
Data-data dan perhitungan pompa
Satuan Titik (1) Titik (2) Keterangan
Suhu (T), C 30 30 data
Tekanan (P), atm 1 1,7 data (ditambah hidrostatis)
Tinggi (Z), m 0 0 data
Flow rate (Fv), kg/jam 2897,69 2897,69 data
(Fv)design, kg/jam 3187,46 3187,46 Over design = 1.1 • v
Rho (ρ), kg/m3 800,00 800,00 data
viskositas, cP 0,75 0,75 data
Q, m3/jam 3,98 3,98 Q = Fv / densitas
G, kg/s 0,89 0,89 G = Fv / 3600
Dopt hit., in 0,88 0,88 Dopt = 282 • Q0.52 • ρ-0.37 Dipilih pipa standar carbon steel carbon
steel non korosif
NPS, in 1 1 tabel 11, Kern
Sch. N 40 40 tabel 11, Kern
Di, in 1,049 1,049 tabel 11, Kern
V pipa, m/s 1,9859 1,9859 V = Q (π 4 • (Di)2)
Re pipa 56441,9645 56441,9645 Re = ρ•V•Di μ
Fv design = 1,1 • v = 1,1 • 2897,69 = 3187,46 kg jam
⁄
⁄ ⁄
⁄ Dopt = 282 • Q0.52 • ρ -0.37
Dopt = (282 • 3,980.52 • 800-0.37 ) / 2,54 Dopt = 0,88 in
(
) ⁄
⁄
Perhitungan Head
Pressure head : m 7,108258929 DP = (P2 - P1) / r / g
Static Head : m 0 DH = z2 - z1
Velocity head : m 0,201015424 DV = (V22
- V12
) / (2g) Friction head : Suction Discharge
F 0,006947102 0,006947102 Turb. : = 0.04•Re-0.16 Panj. lin. pipa
(L), m 1 200 Data
Elbow 0 2 (@ Le = 2 ft) fig. 127, Brown
Standard Tee 0 (@ Le = 3.5 ft) 0 fig. 127, Brown Gate valve
fully open 1 (@ Le = 0.4 ft) (@ Le = 0.4 ft) fig. 127, Brown
Globe valve 0 1 (@ Le = 20 ft) fig. 127, Brown
L + Le, m 1.12192 207.3152 -
Fs 5.8861E-02 10.8767 = •(L+Le)•V2/(2gD)
Fs total, m 10,9356 Fs tot.=Fs suction+Fs discharge
Total Head : m
18,2449
Tot Head = DP+DH+DV+Fs
(-Ws), m 18,2449 (-Ws) = Tot. Head + Q
DH = z2-z1 = 0 – 0 = 0
= 0.04•Re-0.16 = 0,04 • 56441,9645-0,16 = 0,006947102 L+Le = 1 + 0,3048( 0 • 3,5 + 1 • 0,4 ) = 1,12192 m
Total Head = 18,2449 m = 59,8584 ft
Q = 3,9843 m3/jam = 17,5444 gpm = 0,0391 ft3/s
= 0,21244 Hp = 0,1564 kW Efisiensi pompa = 0,4 (Fig 5.9 Coulson) Efisiensi motor = 0,8 (Tabel 3.1 Coulson)
Dipilih power motor standar = ¾ Hp
Spesifikasi pompa : Head : 18,2449 m Debit : 3,9843 m3/jam
C.42 Pompa (P-02)
Fungsi : Mengalirkan slurry hasil dari Condensor (CD-01) ke Crystalizer (CR-01)
Jenis : Single stage Centrifugal pump, 3500 rpm Jumlah : 1 unit
Data-data dan perhitungan pompa
Satuan Titik (1) Titik (2) Keterangan
Suhu (T), C 72 72 data
Tekanan (P), atm 1,1 1 data (ditambah hidrostatis)
Tinggi (Z), m 2,5 6 data
Flow rate (Fv), kg/jam 18900,5765 18900,5765 data 550
(-Ws).Q.
P gc
g
=
(Fv)design, kg/jam 20790,6341 20790,6341 Over design = 1.1 • v
Rho (ρ), kg/m3 1000 1000 data
Viskositas (μ) cP 1,20 1,20 data
Q, m3/jam 20,79 20,79 Q = Fv / densitas
G, kg/s 5,78 5,78 G = Fv / 3600
Dopt hit., in 2,15 2,15 Dopt = 282 • Q0.52 • ρ-0.37 Dipilih pipa standar carbon steel Carbon
steel Non Korosif
NPS, in 2 2 tabel 11, Kern
Sch. N 40 40 tabel 11, Kern
Di, in 2,067 2,067 tabel 11, Kern
V pipa, 2,67 2,67 V = Q (π 4 • (Di)2)
Re pipa 116772,38 116772,38 Re = ρ•V•Di μ
Fv design = 1,1 • v = 1,1 • 18900,5765 = 20790,6341 kg jam
⁄
⁄ ⁄
⁄ Dopt = 282 • Q0.52 • ρ -0.37
Dopt = (282 • 20,790.52 • 1000-0.37 ) / 2,54 Dopt = 2,15 in
(
) ⁄
⁄
Perhitungan Head
Pressure head : m -1,033928571 DP = (P2 - P1) / r / g
Static Head : m 3,5 DH = z2 - z1
Velocity head : m 0 DV = (V22
- V12
) / (2g) Friction head : Suction Discharge
F 0,006184229 0,006184229 Turb. : = 0.04•Re-0.16 Panj. lin. pipa
(L), m 5 40 Data
Elbow 2 (@ Le = 5 ft) 2 (@ Le = 5 ft) fig. 127, Brown
Standard Tee 0 0 fig. 127, Brown
Gate valve
fully open 1 (@ Le = 1 ft) 0 (@ Le = 1 ft) fig. 127, Brown Globe valve 1 (@ Le = 50 ft) 1 (@ Le = 50
ft) fig. 127, Brown
L + Le, m 23,5928 58,288 -
Fs 1,01001814 2,495334906 = •(L+Le)•V2/(2gD)
Fs total, m 3,51 Fs tot.=Fs suction+Fs discharge
Total Head : m 5,97 Tot Head =
DP+DH+DV+Fs
(-Ws), m 5,97 (-Ws) = Tot. Head + Q
DH = z2-z1 = 6 – 2,5 = 3,5
= 0.04•Re-0.16 = 0,04 • 116772,38-0,16 = 0,006184229 L+Le = 5 + 0,3048( 2 • 5 + 1 • 1 + 1 • 50) = 23,5928 m
Total Head = 5,9714 m = 19,5913 ft
Q = 20,7906 m3/jam = 91,5484 gpm = 0,2040 ft3/s
= 0,453522 Hp = 0,333792 kW Efisiensi pompa = 0,7 (Fig 5.9 Coulson)
Efisiensi motor = 0,8 (Tabel 3.1 Coulson)
Dipilih power motor standar = 1 Hp
Spesifikasi pompa : Head : 5,9714 m Debit : 20,7906 m3/jam
C.43 Pompa (P-03)
Fungsi : Mengalirkan fresh methanol dari kendaraan pengangkut ke tangki penyimpan untuk kebutuhan 1 minggu dalam waktu 5 jam
Jenis : Single stage Centrifugal pump, 3500 rpm Jumlah : 1 unit
Data-data dan perhitungan pompa
Satuan Titik (1) Titik (2) Keterangan
Suhu (T), C 25 25 data
Tekanan (P), atm 1 1 data (ditambah hidrostatis)
Tinggi (Z), m 4 15 data
Flow rate (Fv), kg/jam 97362,42 97362,42 data
(Fv)design, kg/jam 107098,66 107098,66 Over design = 1.1 • v
Rho (ρ), kg/m3 800,00 800,00 data
Viskositas (μ) cP 0,75 0,75 data
Q, m3/jam 133,87 133,87 Q = Fv / densitas
G, kg/s 29,75 29,75 G = Fv / 3600
Dopt hit., in 5,46 5,46 Dopt = 282 • Q0.52 • ρ-0.37 Dipilih pipa standar carbon steel Carbon
steel Non Korosif
550 (-Ws).Q.
P gc
g
=
NPS, in 6 6 tabel 11, Kern
Sch. N 40 40 tabel 11, Kern
Di, in 6,065 6,065 tabel 11, Kern
V pipa, m 2,00 2,00 V = Q (π 4 • (Di)2) Re pipa m/s 328009,24 328009,24 Re = ρ•V•Di μ
Fv design = 1,1 • v = 1,1 • 97362,42 = 107098,66 kg jam
⁄
⁄ ⁄
⁄ Dopt = 282 • Q0.52 • ρ -0.37
Dopt = (282 • 133,870.52 • 800-0.37 ) / 2,54 Dopt = 5,46 in
(
) ⁄
⁄
Perhitungan Head
Pressure head : m 0 DP = (P2 - P1) / r / g
Static Head : m 11 DH = z2 - z1
Velocity head : m 0 DV = (V22 - V12) / (2g)
Friction head : Suction Discharge
F 0,005242256 0,005242256 Turb. : = 0.04•Re-0.16 Panj. lin. pipa
(L), m 10 100 Data
Elbow 3 (@ Le = 15 3 (@ Le = 15 fig. 127, Brown
ft) ft)
Standard Tee 0 0 fig. 127, Brown
Gate valve
fully open 0 1 (@ Le = 3.5
ft) fig. 127, Brown
Globe valve 0 0 (@ Le = 180
ft) fig. 127, Brown
L + Le, m 23,716 114,7828 -
Fs 0,164068323 0,794072421 = •(L+Le)•V2/(2gD)
Fs total, m 0,96 Fs tot.=Fs suction+Fs discharge
Total Head : m 11,96 Tot Head =
DP+DH+DV+Fs
(-Ws), m 11,96 (-Ws) = Tot. Head + Q
DH = z2-z1 = 15 – 4 = 11 m
= 0.04•Re-0.16 = 0,04 • 328009,24-0,16 = 0,005242256 L+Le = 10 + 0,3048( 3 • 15 ) = 23,716 m
Total Head = 11,9581 m = 39,2327 ft
Q = 133,8733 m3/jam = 589,4906 gpm = 1,3133 ft3/s
= 4,678431 Hp = 3,443325 kW 550
(-Ws).Q.
P gc
g
=
Efisiensi pompa = 0,81 (Fig 5.9 Coulson) Efisiensi motor = 0,8 (Tabel 3.1 Coulson)
Dipilih power motor standar = 7 ⁄ Hp
Spesifikasi pompa : Head : 11,9581 m Debit : 133,8733 m3/jam
C.44 Pompa (P-04)
Fungsi : Mengalirkan slurry hasil dari Crystalizer (CR-01) ke Centrifugal Filtration ( CF-01 )
Jenis : Single stage Centrifugal pump, 3500 rpm Jumlah : 1 unit
Data-data dan perhitungan pompa
Satuan Titik (1) Titik (2) Keterangan
Suhu (T), C 10 10 data
Tekanan (P), atm 1 1,5 data (ditambah hidrostatis)
Tinggi (Z), m 1 0,5 data
Flow rate (Fv), kg/jam 18967,82 18967,82 data
(Fv)design, kg/jam 20864,60 20864,60 Over design = 1.1 • v
Rho (ρ), kg/m3 1100 1100 data
Viskositas (μ) cP 1,50 1,50 data
Q, m3/jam 18,97 18,97 Q = Fv / densitas
G, kg/s 5,80 5,80 G = Fv / 3600
Dopt hit., in 2,07 2,07 Dopt = 282 • Q0.52 • ρ-0.37 Dipilih pipa standar carbon steel Carbon steel Korosif
NPS, in 2 2 tabel 11, Kern
Sch. N 40 40 tabel 11, Kern
Di, in 2,067 2,067 tabel 11, Kern
V pipa, m 2,43 2,43 V = Q (π 4 • (Di)2)
Re pipa m/s 93750,24 93750,24 Re = ρ•V•Di μ
Fv design = 1,1 • v = 1,1 • 18967,82= 20864,6 kg/jam
⁄
⁄ ⁄
⁄ Dopt = 282 • Q0.52 • ρ -0.37
Dopt = (282 • 18,970.52 • 1100-0.37 ) / 2,54 Dopt = 2,07 in
(
) ⁄
⁄
Perhitungan Head
Pressure head : m 4,699675325 DP = (P2 - P1) / r / g
Static Head : m -0,5 DH = z2 - z1
Velocity head : m 0 DV = (V22 - V12) / (2g)
Friction head : Suction Discharge
F 0,006405373 0,006405373 Turb. : = 0.04•Re-0.16 Panj. lin. pipa
(L), m 3 30 Data
Elbow 2 (@ Le = 5 ft) 2 (@ Le = 5 ft) fig. 127, Brown
Standard Tee 0 0 fig. 127, Brown
Gate valve
fully open 1 (@ Le = 1 ft) 0 (@ Le = 1 ft) fig. 127, Brown Globe valve 1 (@ Le = 50 ft) 1 (@ Le = 50 ft) fig. 127, Brown
L + Le, m 21,5928 48,288 -
Fs 0,796923596 1,782161026 = •(L+Le)•V2/(2gD)
Fs total, m 2,58 Fs tot.=Fs suction+Fs discharge
Total Head : m 6,78 Tot Head =
DP+DH+DV+Fs
(-Ws), m 6,78 (-Ws) = Tot. Head + Q
DH = z2-z1 = 0,5 – 1 = -0,5
= 0.04•Re-0.16 = 0,04 • 93750,24-0,16 = 0,006405373 L+Le = 3 + 0,3048( 2 • 5 + 1 • 1 + 1 • 50) = 21,5928 m
Total Head = 6,7788 m = 22,24 ft
Q = 18,9678 m3/jam = 83,5219 gpm = 0,1861 ft3/s
= 0,5166695 Hp = 0,3802687 kW Efisiensi pompa = 0,4 (Fig 5.9 Coulson)
Efisiensi motor = 0,8 (Tabel 3.1 Coulson)
Dipilih power motor standar = 2 Hp
Spesifikasi pompa : Head : 6,7788 m Debit : 18,9678 m3/jam
550 (-Ws).Q.
P gc
g
=
Fungsi : Mengalirkan filtrat dari Centrifugal Filtration ( CF-01 ) ke Vaporizer ( CR-02 )
Jenis : Single stage Centrifugal pump, 3500 rpm Jumlah : 1 unit
Data-data dan perhitungan pompa
Satuan Titik (1) Titik (2) Keterangan
Suhu (T), C 10 10 data
Tekanan (P), atm 1 1 data (ditambah hidrostatis)
Tinggi (Z), m 1 6 data
Flow rate (Fv), kg/jam 10553,87 10553,87 data
(Fv)design, kg/jam 11609,26 11609,26 Over design = 1.1 • v
Rho (ρ), kg/m3 800 800 data
Viskositas (μ) cP 0,80 0,80 data
Q, m3/jam 14,51 14,51 Q = Fv / densitas
G, kg/s 3,22 3,22 G = Fv / 3600
Dopt hit., in 1,72 1,72 Dopt = 282 • Q0.52 • ρ-0.37 Dipilih pipa standar carbon steel carbon steel Non korosif
NPS, in 2 2 tabel 11, Kern
Sch. N 40 40 tabel 11, Kern
Di, in 2,067 2,067 tabel 11, Kern
V pipa, m 1,8629 1,8629 V = Q (π 4 • (Di)2) Re pipa m/s 97806,5803 97806,5803 Re = ρ•V•Di μ
Fv design = 1,1 • v = 1,1 • 10553,87 = 11609,26 kg jam
⁄
⁄ ⁄
⁄ Dopt = 282 • Q0.52 • ρ -0.37
Dopt = (282 • 14,510.52 • 800-0.37 ) / 2,54 Dopt = 1,72 in
(
) ⁄
⁄
Perhitungan Head
Pressure head : m 0 DP = (P2 - P1) / r / g
Static Head : m 5 DH = z2 - z1
Velocity head : m 0 DV = (V22
- V12
) / (2g) Friction head : Suction Discharge
F 0,006362109 0,006362109 Turb. : = 0.04•Re-0.16 Panj. lin. pipa
(L), m 2 30 Data
Elbow 2 (@ Le = 5 ft) 2 (@ Le = 5 ft) fig. 127, Brown
Standard Tee 0 0 fig. 127, Brown
Gate valve
fully open 1 (@ Le = 1 ft) 0 (@ Le = 1 ft) fig. 127, Brown Globe valve 1 (@ Le = 50 ft) 1 (@ Le = 50
ft) fig. 127, Brown
L + Le, m 20,5928 48,288 -
Fs 0,4418 1,0361 = •(L+Le)•V2/(2gD)
Fs total, m 1,4779 Fs tot.=Fs suction+Fs discharge
Total Head : m 6,4779 Tot Head =
DP+DH+DV+Fs
(-Ws), m 6,4779 (-Ws) = Tot. Head + Q
DH = z2-z1 = 6 – 1 = 5
= 0.04•Re-0.16 = 0,04 • 97806,5803-0,16 = 0,006362109 L+Le = 2 + 0,3048( 2 • 5 + 1 • 1 + 1 • 50) = 20,5928 m
Total Head = 6,4779 m = 21,2531 ft
Q = 14,5116 m3/jam = 63,8995 gpm = 0,1424 ft3/s
= 0,2747223 Hp = 0,2021956 kW Efisiensi pompa = 0,4 (Fig 5.9 Coulson)
Efisiensi motor = 0,8 (Tabel 3.1 Coulson)
Dipilih power motor standar = 1 ⁄ Hp
Spesifikasi pompa : Head : 6,4779 m Debit : 14,5116 m3/jam
C.46 Pompa (P-06)
Fungsi : Mengalirkan slurry dari Vaporizer ( CR-02 ) ke Crystalyzer (CR-01) Jenis : Single stage Centrifugal pump, 3500 rpm
Jumlah : 1 unit
Data-data dan perhitungan pompa
Satuan Titik (1) Titik (2) Keterangan
Suhu (T), C 75 75 data
Tekanan (P), atm 1 1,1 data (ditambah hidrostatis) 550
(-Ws).Q.
P gc
g
=
Tinggi (Z), m 2 7 data
Flow rate (Fv), kg/jam 67,24 67,24 data
(Fv)design, kg/jam 80,69 80,69 Over design = 1.1 • v
Rho (ρ), kg/m3 1000 1000 data
Viskositas (μ) cP 1,20 1,20 data
Q, m3/jam 0,08 0,08 Q = Fv / densitas
G, kg/s 0,02 0,02 G = Fv / 3600
Dopt hit., in 0,14 0,14 Dopt = 282 • Q0.52 • ρ-0.37 Dipilih pipa standar carbon steel carbon steel Non korosif
NPS, in 1/8 1/8 tabel 11, Kern
Sch. N 40 40 tabel 11, Kern
Di, in 0,269 0,269 tabel 11, Kern
V pipa, m/s 0,6116 0,6116 V = Q (π 4 • (Di)2)
Re pipa 3482,3192 3482,3192 Re = ρ•V•Di μ
Fv design = 1,1 • v = 1,1 • 67,24 = 80,69 kg/jam
⁄
⁄ ⁄
⁄ Dopt = 282 • Q0.52 • ρ -0.37
Dopt = (282 • 0,080.52 • 1000-0.37 ) / 2,54 Dopt = 0,14 in
(
) ⁄
⁄
Perhitungan Head
Pressure head : m 1,033928571 DP = (P2 - P1) / r / g
Static Head : m 5 DH = z2 - z1
Velocity head : m 0 DV = (V22
- V12
) / (2g) Friction head : Suction Discharge
F 0,010848283 0,010848283 Turb. : = 0.04•Re-0.16 Panj. lin. pipa
(L), m 2 100 Data
Elbow 2(@ Le = 1 ft) 4 (@ Le = 1 ft) fig. 127, Brown
Standard Tee 0 0 fig. 127, Brown
Gate valve fully open
1 (@ Le = 0.5
ft) 0 fig. 127, Brown
Globe valve 0 0 fig. 127, Brown
L + Le, m 2,762 101,2192 -
Fs 0,0837 3,0670 = •(L+Le)•V2/(2gD)
Fs total, m 3,1507 Fs tot.=Fs suction+Fs discharge
Total Head : m 9,1846 Tot Head =
DP+DH+DV+Fs
(-Ws), m 9,1846 (-Ws) = Tot. Head + Q
DH = z2-z1 = 7 – 2 = 5
= 0.04•Re-0.16 = 0,04 • 3482,3192-0,16 = 0,010848283 L+Le = 2 + 0,3048( 2 • 1 + 1 • 0,5 ) = 2,762 m
Total Head = 9,1846 m = 30,1332 ft
Q = 0,0807 m3/jam = 0,3553 gpm = 0,0008 ft3/s
= 0,002707 Hp = 0,001992 kW Efisiensi pompa = 0,4 (Fig 5.9 Coulson)
Efisiensi motor = 0,8 (Tabel 3.1 Coulson)
Dipilih power motor standar = ⁄ Hp
Spesifikasi pompa : Head : 9,1846 m Debit : 0,0807 m3/jam
C.47 Pompa (P-07)
Fungsi : Mengalirkan metanol cair dari Tangki Separator liquid – gas (TS-03) ke Menara Distilasi (MD-01)
Jenis : Single stage Reciprocating pump, 3500 rpm Jumlah : 1 unit
Data-data dan perhitungan pompa
Satuan Titik (1) Titik (2) Keterangan
Suhu (T), C -5 -5 data
Tekanan (P), atm 1 1 data (ditambah hidrostatis)
Tinggi (Z), m 1 15 data
Flow rate (Fv), kg/jam 495,2995 495,2995 data
(Fv)design, kg/jam 594,3594 594,3594 Over design = 1.1 • v
Rho (ρ), kg/m3 850 850,00 data
Viskositas (μ) cP 0,90 0,90 data
Q, m3/jam 0,70 0,70 Q = Fv / densitas
G, kg/s 0,17 0.17 G = Fv / 3600
550 (-Ws).Q.
P gc
g
=
Dipilih pipa standar carbon steel carbon steel Non korosif
NPS, in 1/2 1/2 tabel 11, Kern
Sch. N 40 40 tabel 11, Kern
Di, in 0,622 0,622 tabel 11, Kern
V pipa, m/s 0,9913 0,9913 V = Q (π 4 • (Di)2)
Re pipa 14791,4379 14791,4379 Re = ρ•V•Di μ
Fv design = 1,1 • v = 1,1 • 495,2995 = 594,3594 kg jam
⁄
⁄ ⁄
⁄ Dopt = 282 • Q0.52 • ρ -0.37
Dopt = (282 • 0,70.52 • 850-0.37 ) / 2,54 Dopt = 0,41 in
(
) ⁄
⁄
Perhitungan Head
Pressure head : m 0 DP = (P2 - P1) / r / g
Static Head : m 14 DH = z2 - z1
Velocity head : m 0 DV = (V22 - V12) / (2g)
Friction head : Suction Discharge
F 0.008607129 0.008607129 Turb. : = 0.04•Re-0.16 Panj. lin. pipa
(L), m 2 100 Data
Elbow 2(@ Le = 1 ft) 6 (@ Le = 1 ft) fig. 127, Brown
Standard Tee 0 0 fig. 127, Brown
Gate valve fully open
1 (@ Le = 0.5
ft) 0 fig. 127, Brown
Globe valve 0 1 (@ Le = 10
ft) fig. 127, Brown
L + Le, m 2.762 106.4008 -
Fs 0.0754 2.906315787 = •(L+Le)•V2/(2gD)
Fs total, m 2.9818 Fs tot.=Fs suction+Fs discharge
Total Head : m 16.9818 Tot Head =
DP+DH+DV+Fs
(-Ws), m 16.9818 (-Ws) = Tot. Head + Q
DH = z2-z1 = 15 – 1 = 14
= 0.04•Re-0.16 = 0,04 • 14791,4379-0,16 = 0,008607129 L+Le = 2 + 0,3048( 2 • 1 + 1 • 0,5 ) = 2,762 m
Total Head = 16,9818 m = 55,7144 ft
Q = 0,6992 m3/jam = 3,0790 gpm = 0,0069 ft3/s
= 0,036871 Hp = 0,027137 kW 550
(-Ws).Q.
P gc
g
=
Efisiensi pompa = 0,5 (Fig 5.9 Coulson) Efisiensi motor = 0,8 (Tabel 3.1 Coulson)
Dipilih power motor standar = ⁄ Hp
Spesifikasi pompa : Head : 16,9818 m Debit : 0,6992 m3/jam
C.48 Pompa (P-08)
Fungsi : Menciptakan Force-circulation pada vaporizer ( VP-03 ) Jenis : Single stage Centrifugal pump, 3500 rpm
Jumlah : 1 unit
Data-data dan perhitungan pompa
Satuan Titik (1) Titik (2) Keterangan
Suhu (T), C 35,8 35,8 data
Tekanan (P), atm 1,7 1,7 data (ditambah hidrostatis)
Tinggi (Z), m 0,5 1,5 data
Flow rate (Fv), kg/jam 3622,1137 3622,1137 data
(Fv)design, kg/jam 3984,33 3984,33 Over design = 1.1 • v
Rho (ρ), kg/m3 800 800 data
viskositas, cP 0,75 0,75 data
Q, m3/jam 4,98 4,98 Q = Fv / densitas
G, kg/s 1,11 1,11 G = Fv / 3600
Dopt hit., In 0,99 0,99 Dopt = 282 • Q0.52 • ρ-0.37 Dipilih pipa standar carbon steel carbon
steel
Non korosif
NPS, in 1 1 tabel 11, Kern
Sch. N 40 40 tabel 11, Kern
Di, in 1,049 1,049 tabel 11, Kern
V pipa, m/s 2,4824 2,4824 V = Q (π 4 • (Di)2)
Re pipa 70552,4563 70552,4563 Re = ρ•V•Di μ
Fv design = 1,1 • v = 1,1 • 3622,1137 = 3984,33 kg jam
⁄
⁄ ⁄
⁄ Dopt = 282 • Q0.52 • ρ -0.37
Dopt = (282 • 4,980.52 • 800-0.37 ) / 2,54 Dopt = 0,99 in
(
) ⁄
⁄
Perhitungan Head
Pressure head : m 0 DP = (P2 - P1) / r / g
Static Head : m 1 DH = z2 - z1
Velocity head : m 0 DV = (V22 - V12) / (2g)
Friction head : Suction Discharge
F 0,006703445 0,006703445 Turb. : = 0.04•Re-0.16 Panj. lin. pipa
(L), m 2 2 Data
Elbow 2 (@ Le = 2 ft) 2 (@ Le = 2 ft) fig. 127, Brown
Standard Tee 1 (@ Le = 5 ft) 0 fig. 127, Brown
Gate valve
fully open 1 (@ Le = 1 ft) 0 fig. 127, Brown
Globe valve 1 (@ Le = 30 ft) 1 (@ Le = 30
ft) fig. 127, Brown
L + Le, m 14,192 12,3632 -
Fs 1,1226 0,9779 = •(L+Le)•V2/(2gD) Fs total, m 5,1869 Fs tot.=Fs suction+Fs discharge
Total Head : m 5,7776 Tot Head =
DP+DH+DV+Fs
(-Ws), m 5,7776 (-Ws) = Tot. Head + Q
DH = z2-z1 = 1,5 – 0,5 = 1
= 0.04•Re-0.16 = 0,04 • 70552,4563-0,16 = 0,0067
L+Le = 2 + 0,3048( 2 • 2 + 1 • 5 + 1 • 1 + 1 • 30) = 14,192 m
Total Head = 6,1869 m = 20,2981 ft
Q = 4,9804 m3/jam = 21,9305 gpm = 0,0489 ft3/s
= 0,09 Hp = 0,066 kW Efisiensi pompa = 0,4 (Fig 5.9 Coulson) Efisiensi motor = 0,8 (Tabel 3.1 Coulson)
Dipilih power motor standar = 1/2 Hp
Spesifikasi pompa : Head : 6,1869 m
550 (-Ws).Q.
P gc
g
=
Debit : 4,9804 m3/jam
C.49 Pompa (P-09)
Fungsi : Mengalirkan Hasil bawah Reboiler ( RE - 01) ke pembuangan Jenis : Single stage Centrifugal pump, 3500 rpm
Jumlah : 1 unit
Data-data dan perhitungan pompa
Satuan Titik (1) Titik (2) Keterangan
Suhu (T), C 99,3 99,3 data
Tekanan (P), atm 1 1 data (ditambah hidrostatis)
Tinggi (Z), m 5 4 data
Flow rate (Fv), kg/jam 1462,28 1462,28 data
(Fv)design, kg/jam 1608,51 1608,51 Over design = 1.1 • v
Rho (ρ), kg/m3 950 950 data
viskositas, cP 0,90 0,90 data
Q, m3/jam 1,69 1,69 Q = Fv / densitas
G, kg/s 0,45 0,45 G = Fv / 3600
Dopt hit., In 0,58 0,58 Dopt = 282 • Q0.52 • ρ-0.37 Dipilih pipa standar carbon steel carbon
steel non korosif
NPS, in 0,5 0,5 tabel 11, Kern
Sch. N 40 40 tabel 11, Kern
Di, in 0,622 0,622 tabel 11, Kern
V pipa, m 2,40 2,40 V = Q (π 4 • (Di)2)
Re pipa m/s 40030 40030 Re = ρ•V•Di μ
Fv design = 1,1 • v = 1,1 • 1462,28 = 1608,51 kg jam
⁄
⁄ ⁄
⁄
0.52 • ρ -0.37
Dopt = (282 • 1,690.52 • 950-0.37 ) / 2,54 Dopt = 0,58 in
(
) ⁄
⁄
Perhitungan Head
Pressure head : m 0 DP = (P2 - P1) / r / g
Static Head : m -1 DH = z2 - z1
Velocity head : m 0 DV = (V22
- V12
) / (2g) Friction head : Suction Discharge
F 0,0073397 0,0073397 Turb. : = 0.04•Re-0.16 Panj. lin. pipa
(L), m 2 300 Data
Elbow 3 (@ Le = 15
ft)
3 (@ Le = 15
ft) fig. 127, Brown
Standard Tee 0 0 fig. 127, Brown
Gate valve
fully open (@ Le = 3,5 ft) 1 (@ Le = 3,5
ft) fig. 127, Brown
Globe valve 0 0 (@ Le = 180
ft) fig. 127, Brown
L + Le, m 15.716 314,7828 -
Fs 2,146351707 42,99023925 = •(L+Le)•V2/(2gD) Fs total, m 45,14 Fs tot.=Fs suction+Fs discharge
Total Head : m 44,14 Tot Head =
DP+DH+DV+Fs
(-Ws), m 44,14 (-Ws) = Tot. Head + Q
DH = z2-z1 = 5-4 = 1
= 0.04•Re-0.16 = 0,04 • 40030-0,16 = 0,0073397 L+Le = 2 + 0,3048( 3 • 15 + 0 • 3,5 ) = 15,716 m
Total Head = 44,1366 m = 144,8051 ft
Q = 1,6932 m3/jam = 7,4556 gpm = 0,0166 ft3/s
= 0,0263 Hp = 0,0194 kW
Efisiensi pompa = 0,4 (Fig 5.9 Coulson) Efisiensi motor = 0,8 (Tabel 3.1 Coulson)
Dipilih power motor standar = 1/2 Hp
Spesifikasi pompa : Head : 14,7122 m Debit : 1,6932m3/jam
C.50 Pompa (P-10)
Fungsi : Mengalirkan reflux dari Tangki Pemisah Liq-Vap TS-02 ke MD-01 Jenis : Single stage Centrifugal pump, 3500 rpm
Jumlah : 1 unit
Data-data dan perhitungan pompa 550
(-Ws).Q.
P gc
g
=