tangki penyimpanan (storage tank)

8/15/2019 Tangki Penyimpanan (storage tank)

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Tangki Natrium Hidroksida

Fungsi : Menyimpan natrium hidroksida selama 7 hari.

Komponen m(kg/jam) Xi Densitas

NaOH 21.7240 0.5000 1909.2966 954.648

H2O 21.7240 0.5000 102.010 511.5065

4.4480 1.0000 1466.1548

!angki #i$an%ang &nt&k penamp&ngan se'ama 7 a$i seingga *

Ke+&t&an Nat$i&m Hi# ,

, 7299.264 kg

-o'&me Nat$i&m Hi#$ok ,

, 4.978 m

Dipakai , 2 tangki seingga *

-o'&me o$ma'#ei# (- , 2.489! m

nt&k akto$ keamanan #iam+i' oe$ #esign 20 3 seingga *

, 1.2 -

, 2.987" m

#. Menentukan diameter $%& dan tinggi tangki $H&

Diam+i' * , 1.5000 maka H , 1.5 D

, ,

,

ρ.Xi (kg/m)

-o'&me tangki (-!)

-o'&me tangki (-!)

D


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, 2.!4 m 1 in% ,

D , ".!6!4 m , !.6782

H , 1.5D

, 2.'4" m 1 in% ,

, 8'."7! in%

, '.68"7 m , 26.8!9'9"8

(.

aan ) Stainless Steel S-240 Grade A type 410 (Sumber :

*yarat : +hrom , "2 - makanya diam/il *#024' 1rade # type 4"' karen

=

=

= ".7'4! m

= " atm

g = 9.8 m/#t2

,

, 24487.669' N/m2 1 atm

, '.24"7 atm 1 atm

, !."6 psi

aet a%to$ , 20 3 (Sumber : Max S. Peters, Plant Designa

, 1 atm

, ".49'' atm ,

#esain , ".49'' atm ,

Menentukan te/al tangki $tT&

Tinggi airan dalam tangki $hairan

&

-

%ai$an

• Tekanan desain :

ope$asi

i#$ostatik

:%ai$an

%ai$an

g

tota'

1.2 (ope$asi

; i#$ostatik

)


3/22

t , (Sumber : Persamaan (

Dimana *

t , !e+a' #in#ing tangki (in%)

$ ,


4/22

aan , Stainless Steel S-240 Grade A type 410

" Te/al Head

e$#asa$kan ta+e' 5.7 $o>ne'' A Bo&ng a' 90 &nt&k tangki #engan OD , 60 in

i%$ , !.62 in%

$ , 6' in%

i%$/$ , 0.0604

e$#asa$kan $o>ne'' an# Bo&ng a' 256 @ 258 ka$ena i%$/$ C 6 3 maka pe$samaa

, (Persamaa

Dimana *

,

, Radius of cron

, $

, 6' in%

, !nside corner radius

, i%$

, !.62 in%

, ".767" in%

, (Persamaa

Dimana *

, !e+a' ea# (in%)

,

, "62' psi

? , ?isiensi penam+&ngan

, '.8 (tipe #o&+'e >e'#e# +&tt

% ) akto$ ko$osi

) 0.0125 in%/ta&n

C 63 seingga memen&

akto$ intensiikasi stress &nt&k to$ispe$i

$ %

$ 1

tH

tH

!egangan maksim&m ang #iinginkan (all

( Sumber :


5/22

&m&$ tangki #ipe$ki$akan 10 ta&n maka *

% , '."2 in%/ta&n

, !ekanan #esain

, 2".8972 psi

, '.2"4! in%

, '.2'' in%

2 inggi head

tan#a$t st$aigt 'ange () , 1.5 = 2.5 in%

Dipi'i *

, 2 in%

Da$i ta+'e 5.7 $o>ne'' A Bo&ng &nt&k OD , 72 in% *

, '.2 in%

i%$ , !.62 in%

$ , 6' in%

nt&k mengit&ng tinggi ea# #ig&nakan penje'asan pa#a ig&$e 5.8

tH

Dipi'i te+a' ea# (tH)

e$#asa$kan ta+'e 5.6$o>ne'' A Bo&ng a' 88 &nt&k tH , 0.25 in% *

tH


6/22

a , ED/2

, 29.8"2 in%

F , (ED/2) = i%$

, 26."87 in%

G , $ = i%$

, 6.!7 in%

FG ,

, 49.92! in%

+ , $ = FG

, "'.'76 in%

OF ,

, "2.!26 in%

! Tinggi total

H , Htangki ; OF

, 92.84!8 in% 1 in%

, 2.!82 mete$

( G2 = F2 )05

tH ; + ;


7/22

! , !' , !'! Ke'in

F n !% (K) (1=t/t%)n

NaOH 0.19975 0.0979 0.2582 2820 0.9716 1909.2966

H2O 0.4710 0.2740 0.28571 647.1 0.849 102.010

°G

ρ(kg/m)


8/22

0.0254 mete$

in%

0.0254 mete$

in%

erry's,Tabel 23-2, hal 23-33)

+r ) "! - *um/er : (ronell and 3oung hal !42

, 10125 N/m2

, 14.696 psi

d !"n"mi!s #"r $hemi!al ngineers, hal 3%)

, 14.696 psi

2".897"782 psi

2".897"782 psi


9/22

.3), r"nell and *"ung, hal 2%+)

g$ai) (Sumber : Tabel &3.2,r"nell and *"ung, 4al 2+)

abel +. hal 3 r"nell and *"ung )

(Sumber : Tabel +.%, r"nell and *"ung, hal 5)

a#a'a *

hal 32 r"nell and *"ung )


10/22

memi'iki *

(Sumber : r"nell and *"ung, hal )

n ang #ig&nakan &nt&k mengit&ng te+a' ea# a#a'a e$samaan (7.76) #an (7.77) $o>ne'' an# Bo&ng

(%.%), r"nell *"ung,hal &3)

(%.%%), r"nell *"ung,hal &3)

joint tanpa #i$a#iog$ai) (Sumber : Tabel &3.2,r"nell and *"ung, 4al 2+

i &nt&k Torispherical he

a' #ise# ea#s (in%)

a"le stress)

PP/D01 D hal 32 r"nell and *"ung )


11/22

$o>ne'' an# Bo&ng a' 87


12/22

, 0.0254 mete$


13/22


14/22


15/22


16/22

a' 18.


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19/22

T#N15 N3M#N#N (#H#N (#5 ksigen $T0'2&

&ngsi * nt&k menimpan O2 se+agai aan +ak&

!ipe * o'a (pe$i%a')

Kon#isi ope$asi *

!empe$at&$ * 28.0000 01.0000

!ekanan * 1.0000 atm , 14.7000

akt& tingga' , 7.0000 a$i

Dianggap se+agai gas i#ea' pa#a *

: , Densitas H2 , 1.1026 kg/m

>akt& penimpanan, 7.0000 a$i

I, 9524.4350465728 kg/7 a$i

-, 868.1598 mtangki ang #ig&nakan, 50.0000 +&a

o'&me, 207.158 m

Menentukan %iameter Tangki $%i&

Diamete$ tangki Di *

maka *

$i , J( .0000 × 207.158

ri ) !.6722 m )

%i ) 7.!44! m )

MNNT5#N T(#; T#N15

!ekanan Ope$asi , 1.0000 atm ,

aet a%to$ , 0.2000

1.2000 × 14.7000

Design tempe$at&$ * 0.0000

aan konst$&ksi * tain'ess tee' F=167 $a#e 11 !ipe 16

akto$ ko$osi * 0.1250 in / 10 ta&n

F''o>a+e' o$king st$ess () * 18750.0000 psi

?isiensi penge'asan (?) * 803 , 0.8000

(e$s. 1.18 a' 260 $o>ne'')

#imana * , !ekanan Design , 17.6400

144.5727

18750.0000

oG ,

-!, 4/ π $

Design

,

oG ,

, Radius of #ron = r ,

, Alloa"le Stress ,

1 46

/95 t

××=


20/22

t , 0.28 in

%iam/il te/al shell standar ) '.2''


21/22

K

psia

56.691 Kg/jam

)/( 4.0000 × .1400 ) ^(1/3)

"44.727 in

289."44 in

14.7000 psi

, 17.6400 si

0.0000 K

(appendix D, brownell and Young )

in

Psi

lb/in2


22/22

$"

tangki penyimpanan (storage tank)

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