perhitungan gsc

BAB IV BAB IV

ANALISA DAN PEMBAHASAN ANALISA DAN PEMBAHASAN

4

4..11 AAnnaalliissa a DDaattaa  NO

 NO KARAKTERISTIKKARAKTERISTIK JUMLAHJUMLAH SUMBER SUMBER  1

1 DDiiaammeetteer r PPaarrttiikkeell 50 µm50 µm The!reThe!re 5 " 10

5 " 10#5#5_mm $

$ DDee%%&&iittaa& & PPaarrttiikkeell ''550 0 kk(())mm** TThhee!!rree +

+ DDee%%&&iittaa& & ,,aa&& 11--$ $ kk(())mm++ The!reThe!re .

. KKee//eeaattaa% % AAlliirraa%% 10 eet)&e/%!10 eet)&e/%! The!reThe!re +-0.2 m)&e/%!

+-0.2 m)&e/%! 5

5 LLaa334 4 aalliirr --$ $ mm++_{))&&ee//%%!! TThhee!!rree}



 66ii&&kk&&iittaa& & ,,aa&&

1-5 7 10 1-5 7 10⁻⁵⁻⁵ l8)eet &e/%! l8)eet &e/%! The!re The!re $-$+ " 10 $-$+ " 10#5#5 _k()m k()m &e/%! &e/%! 2

2 EEii&&iiee%%&&ii 9900:: DDiittee%%tt44kkaa%%

4

4..22 PPeerrhhiittuunnggaan Dn Diimmeennssii .

.;$;$;;11 MMee%(%(hhiitt44%%( H( H!!

Tie h! <a%( !iilih <ait4 =la%(e Oe%i%( !e%(a% kete%t4a% > Tie h! <a%( !iilih <ait4 =la%(e Oe%i%( !e%(a% kete%t4a% > ## ?a?att4r4re @e @elel//itit<  <  $0$00 0 m m  1 1-01-01' m' m)&)&

## P P aa%%33aa%%((CC   11--. . mm ## l l llee88aarrCC   00--  mm ## DeDe

=

=

₍₍

22 Pl Pl  P  P

+

+

ll

))

=

=

2 2 x x1,41,4mm xx0,70,7mm

((

1,41,4mm

+

+

0,70,7mm

))

  0-9++m  0-9++m ## 7 7   DDe e " "   11--5 5 DDeeCC

Ja!i 4%t4k me%e%t4kaa% !e8it 4!ara <a%( !aat !ihi&a leh Ja!i 4%t4k me%e%t4kaa% !e8it 4!ara <a%( !aat !ihi&a leh H! !e%(a% tie =la%(e Oe%i%( maka !aat !i hit4%( > H! !e%(a% tie =la%(e Oe%i%( maka !aat !i hit4%( >   0-5 6 107F   0-5 6 107F G ACG AC   0-5 " 1;01' m)& 10 0-9++ mCF G 1-. " 0-CC   0-5 " 1;01' m)& 10 0-9++ mCF G 1-. " 0-CC   0-'$ 0-'$ m)& m)& 2- 2- mF mF G G 0-92 0-92 mFCmFC   0-'$ 0-'$ m)& m)& 9-'2 9-'2 mFCmFC   -+' -+' m*)&m*)&

Dari erhit4%(a% <a%( a!a !e8it 4!ara <a%( mam4 !ihi&a Dari erhit4%(a% <a%( a!a !e8it 4!ara <a%( mam4 !ihi&a <ait4 -+' m*)& -maka ha%<a me%((4%aka% 1 84ah H! <ait4 -+' m*)& -maka ha%<a me%((4%aka% 1 84ah H!

.;

Setelah me%(etah4i 6tra%&rt  +500 m  1-2 m)&  a!a D4/ti%( maka aka% !ilak4ka% erhit4%(a%  !4/t !e8it C

!e%(a% /ara #  !4/t  6 /at4re " A h!  1-01' m)& " 1-. m "0- m  0-99' m*)& # A duct 

=

  Qduct  Vtransport   A duct 

=

0,996m 3

/

s 17,78m

/

s   0-05' mF # Me%e%t4ka% !iameter   A

=

 1 4π d 2 0,056m2

=

1 4 π d 2 d²

=

0,056m 2  x4 π  !F  0-01 mF !  0-$' m

# Ke/eata% mi%im4m !alam !4/t >

v

=

3500fpm x0,3048 m

feet x

1m

60dtk 

=

17,78m

/

dtk 

.;$;+ Me%(hit4%( Pre&&4re Dr

1; Me%(hit4%( Re Pa!a Pia Utama

ℜ=

 ρ x v x d  μ

ℜ=

1,2 kg m³ x17,78  m s x0,267m 2,23 x10ˉ ⁵ kg ms Re  $55.5-9+ Re  $-5 " 10#5 ,al@a%i/ ir% - e d

=

0,00049 - !a%   0-0$ $; Me%(hit4%( Pre&&4re Dr PC a!a Bler

Diketeha4i > #   0-15mm # 6tra%&rt  1-2 m)& # e d

=

0,000 # l.  10m - l5  1m #   1,2 kg m³ # l1  $m-l$ 'm - l+  1m # !  0-$'' m  +0-. /m ata4 1$i%/h #   0-0$ # Diameter !4/t  +0-. /m

# Pa!a Bler 1- !iketah4i >

aC Bler Tie A1D A"ial D1  1 /m D$ +0-. /m A1  +95 /m$ A$ $2-2 /m  8C I%/rea&er Ar  0-12 K/  0- /C Re!4/er  Ar  0-12 K/  0-.

# Pa!a Bler $ - !iketah4i > !C Bler Tie A$D'

D1  '+ /m D$ +0-. /m A1  +115-' /m$ A$ $2-2 /m Ar  0-$+ eC I%/rea&er K/  0-5 C Re!4/er   K/  0-+2

De%(a% !iketeah4i !ata ter&e84t maka !aat !ihit4%( %ilai Pre&&4re Dr PC a!a Bler 1 ma44% Bler $-!e%(a% ri%/ia% &e8a(ai 8erik4t >

 Me%(hit4%( Pre&&4re Dr PC a!a Bler 1> a; P a!a l1  ΔP

=

f x l₁ x ρx v² 2 D  ΔP

=

0,027 x2m x1,2 kg m³ x

(

17,78  m s

 )

² 2 x0,3047m   ++;'$ N)m$

 8; Me%(hit4%( P l$  ΔP

=

f x l₂ x ρ x v 2 2 D  ΔP

=

0,027 x6m x1,2 kg m3 x

(

17,78  m s

)

2 2 x0,3047m

¿

100,85 N  m² /; Me%(hit4%( P l+  ΔP

=

f x l₃ x ρx v 2 2 D  ΔP

=

0,027 x1m x1,2 kg m3 x

(

17,78 m s

)

2 2 x0,3047m

¿

16,81 N  m²

!; Me%(hit4%( P a!a 8elka% el8 90 C  ΔP

=

f 

 ( ¿

 D

 )(

V  2 2

)

17,78

(¿¿

2

)

2

¿

¿

 ΔP

=

0,027

(

30

) ¿

e; P I%/rea&er   HL

=

 cV  ² 2

=

0,7

(

17,78

)

² 2

=

110,65 ; P Re!4/er   HL

=

 cV  ² 2

=

0,4

 (

17,78

)

² 2

=

63,2

Me%(hit4%( P a!a Bler 1

P  Pl1 G Pl$ G Pl+ G P90 G P90 G

Pi%/rea&er G Pre!4/er

 ++-'$ G 100-25 G 1'-21 G 1$2-0+ G 1$2-0+ G .0-$2 G 110-'5 G '+-$

 0-2' KPa

 Me%(hit4%( Pre&&4re Dr PC a!a Bler $ > a; Me%(hit4%( P l.  ΔP

=

f x l₄ x ρx v 2 2 D  ΔP

=

0,027 x10m x1,2 kg m3 x

(

17,78 m s

)

2 2 x0,3047m

¿

168,08 N  m²  8; Me%(hit4%( P l5  ΔP

=

f x l₅ x ρx v 2 2 D  ΔP

=

0,027 x1m x1,2 kg m3 x

(

17,78 m s

)

2 2 x0,3047m

¿

16,81 N  m²

/; Me%(hit4%( P a!a 8elka% el8 .5C

 ΔP

=

f 

 ( ¿

 D

 )(

V  2 2

)

 ΔP

=

0,027

(

16

)(

(

17,78 2

)

2

)=

165,02 N  m² !; P I%/rea&er   ΔP

=

 c V  ² 2

=

0,5

(

17,78

)

² 2

=

79 N 

 /

m² e; P Re!4/er   ΔP

=

 c V  ² 2

=

0,38

(

17,78

)

² 2

=

60,1 N 

 /

m² ; P Bler $

Diketah4i >

 Nilai e /%/eret  +mm

Diameter  0-$ m- 8era&al !ari > 61 " D1  6$ " D$ 1-2 " 0-+0.  $0 " D$ D$  17,78 x0,3047 20  0-$ m V  ² 2

=

0,01

Sehi%((a !aat !ihit4%( >

ℜ=

1,2 x20 x0,27 2,23 x10ˉ 5

=

290582,9

=

2,9 x10ˉ  5 f 

 =

0,042  ΔP

=

f  l x ! x V   2 2 D  ΔP

=

0,04225,5 x1,2 x

(

20

)

² 2 x0,28

=

918 N 

/

m²

Sehi%((a Ja!i !i !aatka% %ilai P a!a Bler $ > P  P l. G P l5 G P el8 .5 G P el8 .5 G

P ?er8%( G P Bler 1 G P i%/rea&er G P P re!4/er

 1'2-02 G 1'-21 G '2-+ G '2-+ G 912 G 1$+9-.9 G 9 G '0-1

 $'20-02 N)m$

 $-'2 KPa +; Me%(hit4%( Kete8ala% Pia

OD  +12-5 mm ID  +0.- mm Kete8ala% ia  1+-2 mm .;$;. Me%(hit4%( Dime%&i ,S?   

=

dp

(

g

(

 ρp

−

 ρ

)

 ρ "2

)



  

=

5 x10ˉ 5m

(

9,81m

/

s 2

(

650 kg m3−1,2  kg m3

)

1,2 kg m3

(

2,23 x10ˉ 5 kg ms

)

2

)

   1-$.

Kare%a %ilai K kei&ia%C  1-$. maka terma&4k &tke la- 3a!i  erhit4%(a% 6t me%((4%aka% > vt 

=

 g xdp² xρp 18" vt 

=

9,81 m s2 x x

(

5 x10ˉ  5 m

)

2 x650kg

/

m3 18

(

2,23 x10ˉ 5kg

/

ms

)

=

0,0397m

/

s

Setelah !iketah4i %ilai @t- lal4 me%(hit4%( %ilai 1 !e%(a%

!iketah4i %ilai E ei&ie%&i C  0-9 ata4 90: Q B le8arC  1-5 m !a% La%3a%(C  ' m  #

=

 v L $ %₁ 0,9

=

0,00397 m s x6m x1,5m %₁ 0,9

=

0,3573 m 3 s %1 %1

=

0,3573 m 3 s 0,91

=

0,397  m s

Lal4 me%(hit4%( %ilai H ti%((iC a!a ,S? !e%(a% me%((4%aka% r4m4& >  H 

=

% u x $  H 

=

7,2m 3 s 3,048m s x1,5

=

1,57m&1,6m

Setelah me%(etah4i %ilai H ti%((iC - lal4 me%(hit4%( % 34mlah tra<C !e%(a% /ara &e8a(ai 8erik4t >

n

=

% %1 n

=

7,2m

3

/

s

0,397m3

/

s

=

18,14&19'ua( tra)

Lal4 me%(hit4%( h 3arak a%tar tra<C !e%(a% /ara &e8a(ai 8erik4t >

(

=

 H  n

(

=

1,6m

19

=

0,084m

&etelah !iketah4i %ilai !ar B le8arC - L a%3a%(C !a% H ti%((iC maka !aat me%(hit4%( 6 @l4meC !ari ,S? !e%(a% /ara >

V 

=

$ x L x H 

V 

=

1,5m x6m x1,6m V 

=

14,4m3

.;$;5 Me%(hit4%( Dime%&i Her 

Dalam melak4ka% erhit4%(a% !ime%&i her !ata <a%( !i 84t4hka% <ait4 >

# A&4m&i 34mlah her  $ # L her  + m

# Diameter ek4i@ale% 8a(ia% ata& her DeC >

 De

=

2$L

(

$

+

 L

)

=

2m x3m x1,5m

(

3

+

1,5

)

=

2m #   .5 # U34%( her > B  $0 /m  0-$ m > L  .0 /m  0-. m

Diameter ek4i@ale% 8a(ia% 8aah her !eC

de

=

2$L

(

$

+

 L

)

=

2m x0,2m x0,4m

(

0,2

+

0,4

)

=

0,267m

Setelah !iketah4i !ata <a%( a!a maka !aat me%e%t4ka% ti%((i hC her !aat !ihit4%( !e%(a% /ara >

((opper

=

tg4

 ˚

5

(

 De

−

de

)

2

((opper

=

tg4

 ˚

5

(

2

−

0,267

)

2

=

0,867m&0,9m

 3a!i ti%((i ttal !ari ,S? a!alah !ari ti%((i ,S? G ti%((i Her  1-' m G 0-9 m  $-5 m

.;$;' Me%(hit4%( !a<a Bler

Dalam me%(hit4%( !a<a 8ler- 8ler <a%( !i (4%ak a% Bler Se%tri4(al 8er34mlah $ 84ah 8ler;

1   " P 8ler 1  -+' m*)& " 521-1+ N)mF  .$2'-. k(;mF)&*  .$2'-. att  .-$2 K ₂   " P 8ler $  -$ m*)& " 1+2-' N)mF  101'2-5 k(;mF)&*  101'2-5 att  10-1'2 K .;$; Perhit4%(a% Elektrikal

# Bler 1 Bler A"ial =a% A1D C Da<a  9 K

# Bler $ Bler A"ial =a% A$D'C Da<a  15K

Ja!i !a<a <a%( !i84t4hka% &e8e&ar > 9K G 15 K  $. K

4.3 Pembahasan

Dalam Pere%/aa% ,ra@it< Settli%( ?ham8er memiliki r&e& &e8a(ai 8erik4t >

,am8ar .;1 Pr&e& ,ra@it< Settli%( ?ham8er 

HURU= KETERAN,AN

A Gravity Settling Chamber 

B  Hopper 

?  Hood 

E  Blower  I =  Blower  II , ?er8%( H S4m8er emi&i I Tia%( e%<a%((a J Pia galvanic iron

Ta8el .;1 Ketera%(a% (am8ar Pr&e& ,S?

Dari (am8ar !i ata& !aat !iketah4i Pr&e& ,S? <a%( m4la#m4la (a& ktr !ihi&a !e%(a% 8ler melal4i h!- kem4!ia% (a& ktr ter&e84t !ialirka% me%434 4%it ?lea%er  !e%(a% me%((4%aka% !4/kt iaC; Setelah melal4i taha laha% a!a 4%it ?lea%er ata4 ,S? (a& 8er&ih &ela%34t%<a !ialirka% ke /er8%( me%((4%aka% 8ler kem4!ia% (a& 8er&ih !aat !i lea&ka% ke li%(k4%(a%;

Berik4t mer4aka% (am8ara% !ari h! <a%( &e&4ai !e%(a% erhit4%(a% >

,am8ar .;1 ,am8ar Pr<ek&i H!

Setelah !ilak4ka% erhit4%(a% h! !ierleh !ime%&i h! !e%(a% le8ar 0- m ata4 0 /m - !a% a%3a%( 1-. m ata4 1.0/m; Dari !ime%&i ter&e84t !ierleh !e8it 4!ara <a%( mam4 !i hi&a leh h! &e8e&ar -+' m*)&; De%(a% !e8it te&e84t maka ha%<a me%((4%aka% 1 84ah H! kare%a h! &4!ah mam4 me%(hi&a (a& ktr <a%( aka% !i lah a!a 4%it ?lea%er ,ra@it< Settli%( ?ham8erC;

U%it &ela%34t%<a !alam r&e& e%(laha (a& artik4lat !e%(a% ,ra@it< Settli%( ?ham8er <ait4 U%it ?lea%er ata4 8ia&a !i&e84t U%it ,ra@it< Settli%( ?ham8er; Berik4t mer4aka% (am8ara%<a <a%( &e&4ai erhit4%(a% >

,am8ar .;. ,am8ar I&metri ,S?

Setelah !ilak4ka% erhit4%(a% 4%it ?lea%er ata4 U%it,ra@it< Settli%( ?ham8er !ierleh !ime%&i !e%(a% ti%((i $-5 meter - a%3a%( ' meter - le8ar 1-5 meter !e%(a% 34mlah tra<

&e8a%<ak 19 tra< !e%(a% 3arak a%tar tra< <ait4 0-02. meter ; /er8%( !e%(a% ti%((i +0m !a% !iameter !alam 0-$m;

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