Menggambar Teknik Sesi III & IV
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Transcript of Menggambar Teknik Sesi III & IV
![Page 1: Menggambar Teknik Sesi III & IV](https://reader030.fdokumen.com/reader030/viewer/2022020716/54519505af79591d308b491a/html5/thumbnails/1.jpg)
Session III & IV
Teknik Menggambar PFD & P&ID
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Menggambar PFD
Pump
LC
TC
Reboiler
Tower
Bottom Product
Vapor
Steam
Condensate
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Menggambar Teknik - JH
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Menggambar Teknik - JH
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Menggambar Teknik - JH
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Menggambar Teknik - JH
Aturan Menggambar PFD Aturan garis dan ketebalan sama seperti
BFD
Aturan membuat PFD:1. Aliran utama harus dilengkapi tanda panah untuk menunjukkan arah aliran.2. Usahakan aliran dari kiri menuju ke kanan.3. Aliran yang ringan (gas) berada di atas aliran berat (cair / padat).4. Apabila terdapat garis yang memotong, garis horizontal tetap dilanjutkan, sedangkan garis vertikal putus tepat di perpotongan garis.5. Penomoran aliran di dalam simbol diamond.6. Simbol diamond terletak tepat di garis aliran.
PFD
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Menggambar Teknik - JH
Initial nama alat prosesTata cara pemberian
simbol dan nomor peralatan (standar ASME)
AA-XYY AA = initial alat
operasi X = nomor
identitas unit area proses
YY = nomor urut identitas alat proses
C – Kompresor atau turbinE – Heat ExchangerH – Fired HeaterP – Pompa R – ReaktorT – TowerTK – Storage tankV – VesselA/B menunjukkan adanya unit paralel atau unit cadangan yang tidak dimunculkan di PFD.
PFD
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Menggambar Teknik - JH
Initial nama bahan utilitas
Aliran Utilitas:lps = Low Pressure Steam: 3 – 5 barg (sat)mps = Medium Pressure Steam: 10 – 15 barg (sat)hps = High Pressure Steam 40 – 50 barg (sat)htm = Heat Transfer Mediacw = Cooling Waterwr = River Waterrw = Refrigerated Waterrb = Refrigerated Brinecs = Chemical Waste Waterss = Sanitary Waste Waterel = Electric Heat (220V; 440V; 660V)ng = Natural Gasfg = Fuel Gasfo = Fuel Oilfw = Fire Water
PFD
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Menggambar Teknik - JH
Simbol-simbol
Process Input
Process output
Nomor aliran
instrumentasi
Simbol instrumentasi:Huruf Pertama:F = FlowL = LevelP = PressureT = Temperature
Huruf kedua atau ketigaC = ControllerG = GlassI = IndicatorR = RecorderS = SafetyV = ValveW = Well
orifice
Diaphragm valve
Flow Control
Pneumatic connection
Electric connection
FC
FC
PFD
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Menggambar Teknik - JH
Contoh:Condensation of a pure volatile product
Tower
condenser
accumulator
vent
pump
Overheadproduct
TI
FC
LC
Cold water
Aftercooler
Cold water
PC
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Menggambar Teknik - JH
Contoh:Pump-through reboiler with small bottoms rate
Pump
LC
TC
Reboiler
c
Bottom Product
Vapor
Steam
Condensate
LIC
PIC
Flash Drum
V-802
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Menggambar Teknik - JH
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Menggambar Teknik - JH
Latihan Menggambar PFD
Air Separation Process
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Menggambar Teknik - JH
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Menggambar Teknik - JH
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Menggambar Teknik - JH
End of Session IV
Tugas Perorangan I : Cari PFD TA Prarancangan Pabrik tahun < 2005. Gambar ulang secara manual dan Koreksi PFD-nya.