Ppt Baf Final

8/16/2019 Ppt Baf Final

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HEAT COMBUSTION &HEAT TRANSFER

BATCH ANNEALINGFURNACEOleh:

Dery Biyantoro

Khiftefa Hana

Estikasari

WELCOME TOCOLD ROLLINGMILLT KR!K!T!"#TEEL

CILEGON


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Sejarah perusahaan

• 1962 !"u#a!n$a %r$e' Baja Tr!'ra (e'erja sa"a )en*an Un!S+$e,

• 19-. %T/ 0ra'a,au s,ee# (er)!r! pa)a ,an**a# 1 A*us,us "e#a#u! %%N/ ,h 19-.

• 19-- %en*peras!an 3as!#!,as Bar M!##

• 19-9 %en*peras!an %a(r!' Bes! Spns4 %a(r!' B!##e, Baja )an %a(r!'

Ba,an* 0a5a, ser,a 3as!#!,as !n3ras,ru',ur

• 19 %en*peras!an %a(r!' S#a( Baja 7SS%8 1 )an %a(r!' BajaLe"(aran %anas 7HSM8

• 1991 %a(r!' Baja Le"(aran !n*!n 7CRM8 (er*a(un* "enja)! un!,pr)u's! %T 0ra'a,au S,ee#

• 199 %en*peras!an HL III )an SS% 2

• 1996 %e"!sahan (e(erapa un!, %T 0S se(a*a! ana' %erusahaan

• 2.1. %T 0ra'a,au S,ee# 7%erser8 T('


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$I#I

%erusahaan (aja ,erpa)u )en*an'eun**u#an '"pe,!,!34 un,u' ,u"(uh )an

(er'e"(an* se:ara (er'es!na"(un*an4"enja)! perusahaan ,er'e"u'a )! )un!a/

MI#I

Men$e)!a'an pr)u' (aja (er"u,u4 )an jasa ,er'a!,4 (a*! 'e"a'"uran (an*sa/

;!s! )an M!s!


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Un!,


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PT. KRAKATAU STEEL

COLD ROLLING MILL

PRODUCTION FLOW CHART

TCM

BAF

ECL1

CAL

TPMPRP

CPL

HRC

REC

SHR

SLT

CRC

CRS

CR SLIT

P&O As Rolled

Full Hard

Soft

ECL2

Keterangan :

!a*ra" A#!r %rses %r)u's!


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Ba,:h Annea#!n* Furna:e

• Men*e"(a#!'an = "e"per(a!'! s!3a, "e'an!' )ar! s,r!p


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!s'r!ps! %rses BAF

Me$usun :!# )! a,as:n+e:,r pa)a (ase C!# ,ersusun )!a,as

(ase%asan* !nner, :+er

pa)a (ase

%asan* Furna:e pa)a A'h!r prses


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!a*ra" Te"pera,ure +s>a',u

Soaking

Primary Cooling

Over aging

Seondary Cooling

Heating

!"#

$%#

$

ToC

t 'Seond()% %*)$!+),-!$*)*

Diagram Temperatur vs Waktu


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A#*r!,"a %erh!,un*an

Tahap

Men*h!,un* %anas %e"(a'aran )an

Men*h!,un* Trans3er %anas

Tahap 2Men*h!,un* S,!'!"e,r!s Rea's! %e"(a'aran

Tahap 1%en*u"pu#an a,a %erh!,un*an %anas

%e"(a'aran )an Trans3er %anas


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a,a %r!"er %erh!,un*an %anas%e"(a'aran

F#5 1 ? Na,ura# Gas 7CH@8

Laju "asu' 9 N"=hr

Te'anan 1 a,"

T !n 29 0

F#5 2 ? U)ara

Laju "asu' @2@ "=ja"

Laju "asu' O2 9. "=ja"

Laju "asu' N2 -@ "

=ja" Te'anan 1/@ a,"

T !n . 0

0"ps!s! 21 O24 -9 N2


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a,a Se'un)er %erh!,un*an %anas rea's!'"pnen

a,a %anas %e"(en,u'an 0"pnen )!per#eh )ar! 7a5s4 198

Ru"us %erh!,un*an

H3 A BT CT2

7H3 )a#a" 'j="#8


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Rea's! %e"(a'aran Na,ura# Gas

%erh!,un*an se:ara s,!'!"e,r!s

0"ps!s! U)ara

O's!*en 7 O2 8 9. "=ja"

N!,r*en 7N28 -@ "=ja"

Te'anan 7%8 14@ a,"

Te"pera,ur 7T8 . 0 Te,apan *as !)ea# 7R8 .4.26 "/a,"='"#/0

ρ u)ara 142 '*="

0"ps!s! Gas A#a"

Me,hane 7CH@8 9 "=ja"

Te'anan 7%8 1 a,"

Te"pera,ur 7T8 . 0

spes!D: 5e!*h, .4-9@ '*="


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M# O's!*en Massa O's!*en 7O28 5 O2 ρ u)ara 9. "=ja" 142 '*="

11@. 0*=ja"

M# O2 "assa O2 = Mr O2

711@. 0*=ja"8 = 72'*='"#8

462 '"#=ja"

M# CH@

Massa CH@ 5 *as CH@ Spe:!D: *ra+!,$

9 "=ja" .4-9@ '*="

-4@ '*=ja"

M# O2 "assa CH@ = Mr CH@

7-4@ 0*=ja"8 = 72 '*='"#8

@4-1@ '"#=ja"

%erh!,un*an M# 0"pnen


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S,!'!"e,r! %erh!,un*an

M# 0"pnen @4-1@ '"#=ja" 462 '"#=ja"

@4-1@ '"#=ja" 94@29 '"#=ja"

% h!, %


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%erh!,un*an %anas%e"(a'aran

Kondisi Operasi T1 = 25 oC = 298 K T2 = 700 oC = 973 K


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%erh!,un*an

• 0"pnen H2O

H3


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%erh!,un*an


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Hea, Lss )! un!, BAF


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Trans3er panas BAF )apa, )!,u#!s'an se(a*a!(er!'u,?

na,ura# *as J 'n)u's! J 'n+e's! *asHNK J 'n)u's! '!# s!sa

Trans3er %anas BAF


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a,a %r!"er %erh!,un*an Trans3er %anas

!"ens! BAF ?!a"e,er 242 " T '!# 6-. C

T HNK -1.

C T!n**! 42- "

S'e"a Trans3er %anasBAF


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Men:ar! n!#a! '

'n)u's!

70ern4 19.8


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Ta 9.. C T( -1. C

'n)u's! '/ A/ 7Ta J T(8

'n)u's! 7 29 >="/ C 8/ 7.411 "8/ 79.. C J -1. C 8

'n)u's! -24@19 5a,,

'n)u's! -24@19 u#e=s

'n)u's! 1-249- :a#=s .41-2 ':a#=s

'n)u's!


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Men*h!,un* n!#a! h

N!,r*en

H$)r*en

'n+e's! HNK


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Gas HNK 7 H24 9 N28a,a prper,!es un,u' Gas HNK se(a*a! (er!'u, ?

ρ = 0,393 kg/m3

k = 0,071 W/m.oC

Pr = 0,97

%rper,!es 3 HNK


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H!,un* N!#a! h

' ' !


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'n+e's!


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erhit%n&an ' kon(%ksi koila,a perh!,un*an ?

n!#a! ' )ar! Fe 4 -@ >="/0

A '!# 24-@ "

T1 -1. &C 9 0

T2 6-. &C 9@ 0

'n)u's! '/ A 7T1 J T28

11.@14-9@ 5a,,

2649 ':a#=s

'n)u's! '!#


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,,a# 'n)u's! 'n+e's! 'n)u's! '!# ,,a# .41- ':a#=s 496 ':a#=s 2649 ':a#=s

,,a# 24 ':a#=s

Has!# %erh!,un*an ? na,ura# *as .422 ':a#=s

,rans3er panas 24 ':a#=s

s!sa @-46. ':a#=s

Trans3er %anas


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0es!"pu#an )an Saran

0es!"pu#anar! perh!,un*an nera:a "assa )!per#eh ? %anas %e"(a'aran Na,ura# Gas .422 ':a#=s

Trans3er %anas a#a, 24@ ':a#=s

%anas s!sa @-46. ':a#=s Saran

%en*a,uran 5 *as a*ar pe"(a'aran ,erja)! se:arap,!"a#/

Me#a'u'an pen*e:e'an ,erha)ap s!s,e" pe"(a'arana*ar "enunjan* prses (er#an*sun* )en*an (a!'/


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SE0IAN TERIMA 0ASIH

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Ppt Baf Final