31967789 PRESSURE VESSEL Proses Pembuatan Pressure Vessel
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Transcript of 31967789 PRESSURE VESSEL Proses Pembuatan Pressure Vessel
Fabricating of Pressure Vessel
Kelompok 10:1.Luthfie Ahmaddani (0706198663)2.Rohman Hidayah (0706198814)3.I Gede Wahyu Widiatmika Ariasa (0706198594)4.Budi Susanto (0706198404)
Fabrication of Pressure Vessel
� Design Standard :� ASME Section VIII Div. 1
Fabrication of Pressure Vessel
� Jenis Umum Material Pressure Vessel:� Baja
� Stainless steel
Fabrication of Pressure Vessel
� Pemilihan material didasarkan padabeberapa hal yaitu :� Fungsi pressure vessel
� Tekanan fluida� Allowable stress
� Kemudahan fabrikasi� Biaya
Fabrication of Pressure Vessel
Engineering Chart:
� Desain Vessel yang Sesuai� Proses Gambar Teknik yang meliputi
Gambar Fabrikasi� Kalkulasi Take-Off Material yang di
Butuhkan
� Melakukan Perkiraan Langkah-LangkahFabrikasi
Fabrication of Pressure VesselDalam topik ini kami akan membahas pressure vessel yang digunakan pada instalasi pengolahan minyakmentah dengan kategori low pressure vessel dengantekanan 60 psi yang berfungsi untuk memisahkanminyak mentah dengan gas beracun (metan, ammonia, sulfida) yang biasa disebut gas boot denganmenggunakan material baja A 516 Grade 70 denganpertimbangan :
� Fungsi� Tekanan & kekuatan (low pressure vessel)� Biaya� Kemudahan fabrikasi
Fabrication of Pressure Vessel
Aliran perencanaan pemilihan material
Fluida
Tekanan
Allowable stress
Material & Thickness
Pemilihan material didasarkan padaperhitungan kekuatan bahan sesuaistandard ASME Sec. VII Div. I yang kemudian didapatkan hasil berupaallowable stress dan dapatmenentukan material apa yang akan digunakan sesuai tabel padastandard ASTM (American Standard of Testing & Material)
Fabrication of Pressure Vessel
Tabel standard material baja
ASTM
GENERAL ARRANGEMENT
General Arrangement
Fabrication of Pressure VesselAda 5 langkah penting dalam proses fabrikasi gas boot� Fabrikasi
� Marking� Cutting� Rolling (Untuk shell & skirt)� Machining (Jika diperlukan)� Welding� Finishing ( Flush Grinding)
� Assembly� NDE� Finishing
� Sand blasting� Painting
� Trasportation & Installation
Fabrication of Pressure Vessel
Bagian – bagian utama gas boot :� Head � Shell� Nozzle� Skirt & Accessories (Ladder, lifting lug,
dll)
Fabrication of Pressure Vessel
� Proses Fabrikasi Head� Marking
� Cutting� Forging
Fabrication of Pressure Vessel
� Head
Fabrication of Pressure Vessel
Head Before Forming Head After Forming
Fabrication of Pressure Vessel
� Proses Fabrikasi Shell� Marking
� Cutting� Rolling
� Beveling� Welding
Fabrication of Pressure Vessel
� Shell
Fabrication of Pressure Vessel
Rolling Beveling
Welding Welding shell to shell
Fabrication of Pressure Vessel
� Proses Fabrikasi Nozzle� Marking
� Cutting� Machining (jika diperlukan)
� Welding
Fabrication of Pressure Vessel
� Nozzle
Fabrication of Pressure Vessel
Fabrication of Pressure Vessel� Proses fabrikasi Skirt & Accessories (Ladder, lifting
lug, dll)� Marking� Cutting� Machining (jika diperlukan)� Rolling (Untuk Skirt)� Welding
Fabrication of Pressure Vessel
� Skirt & Accessories
Fabrication of Pressure Vessel
Base Ring
Lifting Lug
Clip Support
Chimney
Fabrication of Pressure Vessel
Clip Support
Riser Sleeve
Fabrication of Pressure Vessel
� Proses Assembly :� Welding
� Flush Grinding
Fabrication Sequence Diagram
Fabrication of Pressure Vessel
Fabrication of Pressure Vessel
� NDE (Non Decstructive Examination) meliputi :� Radiography� Penetrant test� Ultrasonic test
VIS PT RT UT
1 Bottom Head to Shell - -
2 Long seam - - 3 Shell to Shell - -
4 Top Head to Shell - -
5 Neck Nozzle to Head -
6 Neck Nozzle to Shell - -
7 Neck Nozzle to Shell - -
8 Baffle Plate to Inner Shell - -
9 Pad Channel to Inner Shell and Pipe - -
10 Stiff Ring to Shell - -
11 Lifting Lug - -
12 Skirt to Bottom Head - -
13 Base Plate to Skirt / Tailing Lug - -
Abbreviations:VIS : VisualPT : Penetrant TestRT : Radiography TestUT : Ultrasonic Test
Note1. Spot RT shall be performed in accordance with the requirement of ASME Sec. VIII - Div.12. Long weld for Nozzle neck / MH shall be Performe full RT
NDE METHODNO EXAMINATION AREA
5
4
10
3
7
121
2
8
6
13
11
9
Fabrication of Pressure VesselCuplikan Video pembuatan pressure vessel