14. design practice for piping arangement (pipe rack)
TRANSCRIPT
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CONTENTS
1. STANDARD PIPING ARRANGEMENT
2. RACK LAYOUT
3. HEIGHT OF RACK
4. PIPING ARRANGEMENT AND RACK WIDTH
4.1 Piping arrangement
4.2 Rack width
5. LOADING DATA
5.1 Type of Loading
5.2 Calculation of load
5.3 Loading ata !orm
". RACK STRUCTURE (FOR INFORMATION ONLY)
#. STANDARD MEASURE AGAINST THERMAL EXPANSION
$. EXPANSION U-BEND
%. DOUBLE OFFSET EXPANSION
1&. EXPANSION BELLOWS
1&.1 '(pan)ion *oint in +eneral
1&.2 ,trength calculation
1&.3 -n)tallation of ellow) '(pan)ion /oint
11. SPESIFICATION FORM FOR EXPANSION JOINT
0ttachment 1 Thickne)) of ot Cold -n)tallation for reference
0ttachment 1 eight of hotCold -n)ulation for reference
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0ttachment 1 ,tructure and loading condition of pipe Rack
0ttachment 1 Calculation ,heet for ma(imum ending )tre)) anchor force 6
frictional !orce
1. STANDARD PIPING ARRANGEMENT
-n)ide of unit 7.,.8.L
7n rack 1
Proce)) Piping 1 Proce)) Piping
a
Line) connecting '9uipment item)
that are )eparated more than "m
from each other
a
Line) to recei:e :ariou) product
Line for raw material)
Product line) from tank) heat
e(changer) or pump) to )torage or
other unit) or plant)
2
a
;tility Piping
Line) for )team conden)ate
Line) for :ariou) kind) of water
c ,upply line) raw material)< etc. to
unit plant
= >ard piping )hould e< where e:er
po))ile< placed on the ground. ey
are to e placed on rack) only if
nece))ity road or acce)) ?ake it
una:oidale.
2
8lowdown piping flare@piping
3
-n)trument duct) and A electrical
duct)
4
;tility Piping
a
Line) for )team and conden)ate
Line) for B2 ga)< plant air and
in)trument air
c Line) for oiler feed@water< city
water< proce)) water< pure water and
cooling water e(cept underground
piping
d
Line) for fuel oil ga)
5
Cat way
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7n ground 1
i)charge line for recip rocating
compre))or) and :irating line) for
it
1 Line) for recei:ing and deli:ery of
raw material) and product)
2
-nlet and outlet line) for )torage
tank) ha:ing with dike)
3
Li9uid line) of large diameter)
Trench 1
'lectrical power cale)
2
Line) for pump cooling water
3
rain line)
4
Line) leading to )ump tank)
;nderground 1
;tility piping
a
Cooling water line) and oily )ewer
line)
Line) for fire@fighting water
c Line) for water )upply
2. RACK LAYOUT
Rack lay out i) determined a)ically y the location of proce)) line) raw
material) 6 product) and utility line) entering and lea:ing to and from the
plant unit concerned.
1 -n determining rack layout< take the following re9uirement) into
con)ideration.
a -n)tallation maintenance and tran)portation and e9uipment 6
machine) are ea)ily performed.
Piping etween unit) a) )hort a) po))ile.
c The numer and length of rack) are kept to minimum.
2 The following) are the typical rack layout).
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3. HEIGHT OF RACK
1 The )tandard height of rack) to e mea)ured at the top )urface) of
the lowe)t eam) are in the tale elow.
2 -n determining height of rack < taken the following re9uirement)
into con)ideration.
a ?inimum o:erhead clearance for each type of road) i) a)follow)
Type of Load 1 Bote)
!or maintenance pa))age)in)ide of 8.L
25&&
!or main road in)ide of 8.L 4&&& eight limit for large:ehicle) are 35&&
!or main road) out)ide of
8.L ,econd cla)) Anational road)
45&& The Road 0ct
!or main road) out)ide of8.L !ir)t cla)) nationalroad)
"&&& The Road 0ct
!or railroad )idetrack "#&& The Railroad 0ct
Bo ifficulty occur) in connection with tran)portation A 3&&&&& T> 1&&&&
?ethanol< Ployutene< refinery "&&& @ $&&&
2 The inter:al) of rack column) )hould e determined in con)ideration
of the following factor).
a Layout of e9uipment 6 machine).
Pipe )iDe
?inimum pipe )iDe on the rack and allowale deflection of the
minimum pipe )iDe.
c Pipe weight
eight of fluid in pipe< weight of pipe and :al:e< weight of
hotcold in)ulation.
d ,upport for )pecial piping
Piping) that are )upported at )hort inter:al) copper pipe