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本帖最后由 beibeilang 于 2014-9-7 11:02 编辑
Guide_Line Sizing Philosophy
CONTENTS
1.0 INTRODUCTION .......................................................................... 6
2.0 DESIGN PRESSURE & TEMPERATURE................................................. 6
3.0 STANDARD AND MINIMUM LINE SIZES................................................ 7
4.0 FLUID PHYSICAL PROPERTIES......................................................... 7
4.1 Density...................................................................................................................... 7
4.2 Viscosity .................................................................................................................... 7
4.3 Vapor Physical Properties................................................................................................ 8
4.4 Hydrocarbon Physical Properties ....................................................................................... 8
4.5 Water Physical Properties ............................................................................................... 9
5.0 PIPING MATERIAL ......................................................................12
5.1 Hydrocarbon Services.................................................................................................... 12
5.2 Produced Water .......................................................................................................... 12
5.3 Seawater .................................................................................................................. 12
5.4 Utility Systems ........................................................................................................... 12
6.0 SIZING METHODS .......................................................................13
6.1 Liquid Hydraulics......................................................................................................... 14
6.2 Vapor Hydraulics ......................................................................................................... 14
6.3 Two-Phase Hydraulics ................................................................................................... 14
7.0 PIPE SIZING CRITERIA FOR SINGLE PHASE FLUID .................................14
7.1 Sizing Criteria for Liquid Phase Flow .................................................................................. 14
7.2 Sizing Criteria for Vapor Phase Flow .................................................................................. 16
7.2.1 Incompressible Vapor Flow ............................................................................................. 16
7.2.2 Compressible Vapor Flow ............................................................................................... 17
7.3 Design Margin ............................................................................................................. 17
8.0 PIPE SIZING CRITERIA FOR TWO PHASE FLUID....................................18
8.1 Flow Regime .............................................................................................................. 18
8.2 Line Sizing Criteria....................................................................................................... 20
8.3 Accepted Flow Regimes ................................................................................................. 21
8.4 Simple Pressure Drop Models ........................................................................................... 22
8.5 Piping Arrangement for Two-Phase Flow ............................................................................. 22
9.0 LINE SIZING CRITERIA FOR FLARE AND RELIEVING DEVICES....................22
9.1 Lines Upstream of Relieving Devices .................................................................................. 22
9.1.1 PSV's: ...................................................................................................................... 22
9.2 Lines Downstream of Relieving Devices, Flare Headers ............................................................ 23
9.2.1 Intermittent Flow: ....................................................................................................... 23
9.2.2 Continuous Flow:......................................................................................................... 24
10.0 UTILITY LINE SIZING ...................................................................24
10.1 Steam Lines ............................................................................................................... 24
10.2 Condensate Line Sizing .................................................................................................. 25
10.3 Cooling Water Lines ..................................................................................................... 25
10.4 Seawater Lines ........................................................................................................... 25
10.5 Fire Water Lines.......................................................................................................... 25
10.6 Oily Water Lines.......................................................................................................... 26
10.7 Chemical Lines ........................................................................................................... 26
10.8 Instrument Air, Plant Air and Nitrogen................................................................................ 26
11.0 SPECIAL CASES .........................................................................26
11.1 Flow of Fluids with Static Charge...................................................................................... 26
11.2 Flow through Loading Arms ............................................................................................. 27
11.3 Viscous Fluids ............................................................................................................. 27
11.4 Side Draw-Off Lines...................................................................................................... 27
11.5 Reboiler Lines ............................................................................................................ 27
11.6 Miscellaneous Fluids ..................................................................................................... 28
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发表于 2014-8-11 08:28:51
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