Piping Arrangement Around Drum

Piping Arrangement Around Drum

1.Uses

-Collect liquid from vapor circuits and pump it to other process group
-Disposal
-Product storage
-Steam generation
-Deaeration of boiler feed water

2.Steps in preparation piping arrangement around drums

-Setting height of the drum
-Study of nozzle orientation
-Platforming
-Piping Arrangement

3.Location of Drums

-Adjacent to related equipment
-As a standalone operation
-Vertical drums are arranged on the same center-line of vertical equipment

4.Installation of Drums

a.Factors

-Function of drums
-Process requirement
-Shape and size of drum
-Cost effectiveness

b.Elevation and Support

-NPSH
-Minimum clearance
-Common platforming
-Maintenance and operator access

5.Nozzle orientation

a.Basic Conception

-To meet the process requirement
-Easy operation
-Easy maintenance
-Cost effectiveness

b.Nozzles and accessories installed in Access Area

-Manhole, Hand hole and Access hole
-Instrument nozzles: LC,LG,PG,etc.
-Purge nozzles (N2, Steam)
-Nameplate
-Davit

c.Nozzle installed in Piping Area
-Nozzles to which piping is connected
-Required at drums for access to valves, instrument and blinds
-Maintenance accesses

6.Piping Plan

a.Piping are arranged according

-Conjunction with nozzle location
-Platform arrangement
-Drums location to related equipment

b.Support

-Saddles from concrete piers
-Steel frames
-Trunnions

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Tagged as: Drum, Installation, orientation, Piping, Platforming