Tài liệu hạn chế xem trước, để xem đầy đủ mời bạn chọn Tải xuống
1
/ 167 trang
THÔNG TIN TÀI LIỆU
Thông tin cơ bản
Định dạng
Số trang
167
Dung lượng
7,17 MB
Nội dung
Global Power Generation Presentation for Lilama Process & Power Generation THERMAL Process & Power Generation THERMAL Cumulative Investment in Energy Infrastructure 2005-2030 $20.2 Trillion (05 Dollars) Process & Power Generation THERMAL IEA World Energy Outlook 2006, Reference Scenario What is Happening with Oil Prices? Process & Power Generation THERMAL Growing Demand New Infrastructure New Technologies Higher Value Product Process & Power Generation THERMAL New Frontiers $130/Barrel Process & Power Generation THERMAL Regassification Process Overview Process & Power Generation THERMAL LNG Strorage Tank Welding Only for Internal Use Process & Power Generation THERMAL Storage Tanks Is an airtight and Thermal insulated low pressure vessel to storage the LNG at -165ºC Reducing as possible the gas boil-off Process & Power Generation THERMAL LNG Storage Tanks • Biggest investment item: 25 thru 35 % • Large LNG inventory: up to 200 000 m3 Storage Tanks Technologies • Self-supporting % Nickel steel tank • Membrane tank • Pre-stressed concrete tank • Spherical tanks Process & Power Generation THERMAL Wallpapering • Preparation for Welding – Substrate Surface should be cleaned and free of oxide, corrosion products, oil, grease and other foreign matter • Often in retrofits abrasive blasting is required – Garnet or Fused Alumina is often preferred • An Alkaline Solution may also be utilized to neutralize acidic corrosion products followed by a water wash • Application of a rust preventative primer Process & Power Generation THERMAL Alloy C-276 Wallpapered Outlet Duct Process & Power Generation THERMAL Alloy C276 Absorber Process & Power Generation THERMAL Wallpapering Plug Welds Process & Power Generation THERMAL Alloy C-276 Clad Absorber Process & Power Generation THERMAL Alloy C-276 Wallpapered Absorber Process & Power Generation THERMAL Wallpapering • Welding Processes Used – GTAW – GMAW • Short Circuiting – STT • Spray • Pulsed Process & Power Generation THERMAL Filler Metal • ERNiCrMo-4 – Lincoln Blue Max LNM NiCrMo 60/16 – Metrode HAS 276 Process & Power Generation THERMAL Absorber Fabrication • Traditional Approaches to Welding: – SMAW for 3G, 3F, 4G and 4F – GTAW 100% argon shielding gas – GMAW Spray restricted to the 1G and 2G welding positions – GMAW-S • Spatter Process & Power Generation THERMAL Absorber Fabrication • Welding Procedure Qualification – ASME Section IX • Simulate Production Welding Techniques • Subject to additional testing – ASTM G-48 Method A Corrosion Test (ferric chloride solution test) – Traverse Hardness Measurements Process & Power Generation THERMAL Fabrication Techniques for Nickel Alloys & Duplex SS • Purpose for Qualification of WPS – Determine that weldment proposed for construction is capable of providing the required properties for its intended application – Establishes the properties of the weldment, not the skill of the welder – Provides direction to the welder • Procedure Qualification Record (PQR) – Documents what occurred during welding of the test coupon – Include any additional testing that you may have done Process & Power Generation THERMAL • Hardness • Corrosion • NDE Weld Preps Process & Power Generation THERMAL Shielding Gases for GMAW-P – 75% Ar + 25% He – 55% He + 43% Ar + 2% CO2 Process & Power Generation THERMAL Inside Absorber • Sort it out Ahead of Time! • Equipment: • • • • • • • Process & Power Generation THERMAL PW355M/V350 PF15M/LN25/25M Cable Lengths Cable Size Sensing Leads Gun Type Fume Extraction Lincoln Electric Power Generation Whatever Your Power Welding Application Needs Lincoln Electric has the solution Process & Power Generation THERMAL