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JSW, STEEL

WORKSBELLARY

presented by:

ranjit kumar sing

amares kumar nayak


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OPERATION

MECHANICAL

ELECTRICAL

QUALITY CONTOL


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REHEATING FURNACEMILL AREACOOLING BED AND STACKER AREA


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INTRODUCTIONTERMS AND DEFINITIONPROCESS FLOWPROCESS PARAMETERS

GUIDE ASSEMBLY/DIASSEMBLYPASS SCHEDULE


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Mill area is basiall! "#e asse$bl! %&'i(ere)" s"a)'s )a$el! r%*+#i)+ $ill,i)"er$e'ia"e $ill, -)is#i)+ $ill, )% ".is"

$ill, .a"er b% a)' bra0e sli'e .i"# 1i)#r%lls, s#ears, a)' r%1 a)' 'i2i'e s#ears i)be".ee) 'i(ere)" s"a)'s3


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I" &%r$s "#e 1a"# &%r "#e #%" bille" &r%$ "#e re4#ea"i)+ &*r)ae "% "ra2el "%"#e r%*+#i)+ $ill .i"#%*" $*# l%ss i) "e$1era"*re3 I" %$es .i"# a li&"i)+#%%' .#i# *"s "#e l%ss %& "e$1era"*re .i"# e1%s*re a" "%1 "%

a"$%s1#ere3 I"s le)+"# is 56$3

RO!"#$%" &$LL:

I" is a %$bi)a"i%) %& si r%lli)+ s"a)'s arra)+e' i) 74H474H474H %r'er .i"#7 a)' H &%r 2er"ial a)' #%ri8%)"al arra)+e$e)" res1e"i2el!3 T#ese r%llsare %& %)2e)"i%)al "!1e .i"# )%4#%*si)+ s"a)' a)' are $a'e %& as" ir%)

r%lls3S%$e &ea"*res %& )%4#%*si)+ s"a)'s are4

Q*i0 'is%))e" ser2ie %*1li)+s &%r .a"er a)' l*bria"i%)3

S"a)' 1%si"i%)i)+ "#r%*+# #!'ra*li !li)'er a)' e"3

$%TER&E'$ATE &$LL:

I" is als% a %$bi)a"i%) %& si r%lli)+ s"a)'s arra)+e' i) H474H474H47 %r'er.i"# 7 a)' H &%r 2er"ial a)' #%ri8%)"al arra)+e$e)" res1e"i2el!3 T#eser%lls are %& %)2e)"i%)al "!1e .i"# )%4#%*si)+ s"a)' a)' are $a'e %& as"ir%) r%lls


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($%$S#$%" &$LL:I" is a %$bi)a"i%) %& &%*r r%lli)+ s"a)'s arra)+e' i) H4H4H4H %r'er .i"# H&%r #%ri8%)"al arra)+e$e)"3

*$%+# ROLL :I" ai's i) &ee'i)+ bille" i)"% &%ll%.i)+ s"a)'s3 B%"# r%lls are s!$$e"riall!a':*s"e' b! #!'ra*li s!s"e$ a)' are 'ri2e) b! ele"ri $%"%rs "#r%*+# a1arallel s#a&" +ear re'*er a)' 1i)i%) s"a)'3%O TW$ST EE &$LL:I" is als% a r%lli)+ s"a)' *se' i) s1il" li)es, i) .#i# "#e a)"ile2ere' r%ll#%*si)+s are %rie)"e' a" 6;< "% "#e #%ri8%)"al a)' "#e "ie' s"a)'arra)+e$e)" .i"# a si)+le i)1*" 'ri2e3 I" *ses arbi'e ri)+ r%lls, .#i#

e)#a)es "#e 1ass li&e si+)i-a)"l!3 I" als% 1r%2i'es s*1eri%r s*r&ae =*ali"!-)is#3 I" #%*ses si arbi'e r%lls .i"# &*ll *"ili8a"i%) %)l! &%r >$$ rebar3 F%r?@$$ a)' ?5$$ re4bar i" *ses 6 r%lls a)' ?$$, 5@$$ i" *ses 5 r%lls3I" is %)l! *se' i) "#e s1li" li)es3

+RO* A%' '$$'E-TO""LE S#EARS:

T#e s#ear is *se' &%r &r%)" a)' "ail e)' s#ear r%1 *"s a)' "#e *"s are%lle"e' i) "#e b%""%$ sra1 b*0e"s3 C%bble s#ear #el1s "% *" "#ese"i%) i) ase %& %bble3


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WATER BO.ES:

T#ese are *se' a&"er "#e -)is#i)+ areas a&"er "#e )"$ i) "#es1li" li)es a)' 'ire"l! a&"er "#e -)is#i)+ $ill i) "#e e)"erli)es3 I" is *se' &%r "#e %%li)+ %& "#e r%lle' bars 1assi)+ a" #i+#s1ee's3 T#e! 1r%2i'e %)"r%lle' "e$1era"*re r%lli)+ "#r%*+#%*"

"#e $ill i) %r'er "% $ee" "#e 1r%essi)+ re=*ire$e)"s %&2ari%*s s"eel +ra'es3 T#e .a"er b%es res*l" i) i$1r%2e'$e#a)ial 1r%1er"ies3

"!$'ES:

I" #el1s "% 1r%ess se"i%) "#r%*+# ea# $ill s"a)'3 T#e! are

lassi-e' i)"% "!1es s*# as4 ?3si)+le 1ass +*i'e 53$*l"i1ass+*i'e 3e)"r!+*i'e 63ei" s"a"i +*i'e

S$'E LOO*ERS:

I" #el1s "% 1r%'*e "e)si%) &ree r%lli)+ be".ee) 1ree'i)+ a)'

&%ll%.i)+ s"a)'s3 T#ese are 1r%2i'e' a" "#e ei" %& "#e s"a)')*$ber ?, ?6, a)' ?; i) "#e br$3


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ari/us sears 0un1ti/na2ity a0ter sp2itterTO""LE S#EAR

I" is 1lae' be&%re r%*+#i)+ $ill3 I" *"s "#e bille" i) ase %& %bble a)' sa2es e)er+! i)"#e &*r"#er s"a)'s3

$$'E S#EAR

" is 1lae a&"er r%*+#i)+ a)' i)"er$e'ia"e s"a)'s "% #%1 "#e &r%)" e)' a)' #%1 %($a"erial i) ase %& %bble

RO*-'$$'E S#EAR

I" 1lae' a&"er re1ea"er, :*s" be&%re #%11i)+ s#ear a)' a&"er 1i)# r%lls3

I" *"s "#e #ea' e)' as i" is %l' e)%*+# "% a*se 1r%ble$s i) "#e &*r"#er s"a+es %&r%lli)+ i) )"$ a)' $a! a*se %bble3

I" %lle"s "#e #ea' e)' "% 0)%. "#e 'i$e)si%) %$i)+ %*" %& s"a)' )*$ber ?3

#O**$%" S#EAR

I" is 1lae' be&%re )"$ a)' %%li)+ be'

I" *"s "#e "ail be&%re %%li)+ be' ,s% "#a" "#e $a"erial .#i# #as bee) !iel'e' is l%s"&%r ab%*" 46 $3

I" #el1s "% #%1 $a"erial i) ase %& %bble3


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Ta0e leara)es &r%$ all 'e1ar"$e)"s3

C#e0 "#a"s all 'ri2es are %1era"i%)al3

C#e0 all "#e l*bria"i)+, #!'ra*li, +rease, 1)e*$a"i a)' .a"er s!s"e$s are.%r0i)+3

C#e0 all "#e 1ara$e"ers3

S#ear bla'e/r%1 bla'e a)+les #e03

Fee' "#e r%ll 'ia$e"ers3

S1ee' $a"# %& r%lls a%r'i)+ "% 1ara$e"er3

C#e0 l%%1ers &*)"i%)ali"!3

C#e0 "#e %./1ress*re %& "#e .a"er i) "#e .a"er b%3

R%"ar! s!s"e$ 1%si"i%) #e03

C%%li)+ be' ra0e 1%si"i%)i)+ #e03

C#e0 "#e 1%si"i%) %& e)"r! s.i"# 1i1e a)' ei" s.i"# 1i1e3

Re=*es" "#e &*r)ae &%r bille" all3

Obser2e "e$1era"*re a" ei" %& "#e &*r)ae

Obser2e l%a' *rre)" i) ea# s"a)' %) H$i sree) I) ase %& %$1ressi%) %& bars i) be".ee) s"a)'s, 'erease "#e s1ee's %&

1re2i%*s s"a)' a)' 2ie 2ersa3

A11l! #%11i)+ %$$a)'s i) ase %& %bble3


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*ass s1edu2es


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+O%T3


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INTRODUCTION T#e re#ea"i)+ &*r)ae %& "#e BR&is *se' "% #ea" "#e bille" *1 "% 'esire'

"e$1era"*res s% "#a" i" a) be &*r"#er r%lle' i)"% 'esire' 1r%'*"s3 T#e&*r)ae is s*11lie' b! TENO7A, I"al! a)' #as a a"*al a1ai"! %& ?@ TPH3T#e bille"s *se' #ere are %& s=*are 'i$e)si%)s3 T#e &*r)ae is 'i2i'e' i)"%

8%)es, )a$el!4 ? 1re4#ea"i)+ 8%)e, 5 #ea"i)+ 8%)e, s%a0i)+ 8%)e3T#e &*r)ae is aWa2king beam 0urna1e.#i# is "%1 a)' b%""%$ -re'

3T#e $a"erial 1r%esse' is l%. $e'i*$ arb%) s"eel /l%. all%! s"eel3

TE+#%$+AL 'ETA$LS:


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TE+#%$+AL 'ETA$LS: &a43 n/3 /0 bi22ets 5 >? +arging r/22er tab2e speed 5 ?3 $/s +arge t/ dis1arge time 5 >@ $i)*"es +//2ing system 5 Wa"er %%le' 'is1arge temperature 5 $a3 ??@C +e)erall! J;@ ?@5@ C

(urna1e /perating temperature 5 $a3 ?5@ C

(!EL 'ETA$LS (ue2 type Mie' +as LD +as BF +as C%re +as $n2et gas pressure J;@ ?@>@ $$WC +a2/ri61 7a2ue /0 0ue2 ?>;@ Kal/0+ Air-(ue2 ?3 $nitia2 6ring Ma)*al %)e are $a)*all! -re'3 F%r %"#er 8%)es, -ri)+ is

e)able' %)l! .#e) "#e rele2a)" 8%)e "e$1era"*re is #i+#er "#a) @@C

&i4ed gas87%l Carb%) M%)%i'e,CO4?>3 H!'r%+e),H54?>3J

Me"#a)e,CH64>3 Carb%) Di%i'e,CO54?3? Ni"r%+e)4J35 O!+e)4@3; C)H$4@3> H5S4@35

CALORIFIC 7ALUE,Kal/N$4?>;@4?J@@

(!R%A+E '$&E%S$O%S


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(!R%A+E '$&E%S$O%S

Wa22 t/ 9a22 interna2 2engt 55@@@ $$

Wa22 t/ 9a22 interna2 9idt ?5>@@ $$

%umber /0 9a2king beams 5 6

%umber /0 64ed beams ;

+arging s1emes 5 R%. si)+le +y12e diagram 5 U1.ar' 5;$$

F%r.ar' 5;@ $$

(!R%A+E ;O%ES : < (OR $'EAL =>?T-#R *RO'!+T$O%@

NO OF BURNERS TEMPERATURES C

ONE ? > J>@ 5 ?@5@

?@6@

6 ?5 ?@@ ; ?5 ?@@

6 ?@@

6 ?@>@

+O&B!STO$% A$R (A%


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+O&B!STO$% A$R (A% 5

Type4 Ce)"ri&*+al

%umbers 5

Su1ti/n 5 ;5;@@ N$B/#r

Rated spee' ?6>@ r1$

&/t/r rating 5?; 0W +/mbusti/n air set p/int temperature 66@ C

A7g3 temperature @ ; C

E4it gas temperature $a3 ; C I& $%re "#a) "#is, 'il*"i%) &a) is"*r)e' %)

'$L!T$O% A$R (A%

Type Ce)"ri&*+al

%/3 /0 0ans 5 ?

Rated speed 5J6@ r1$

Su1ti/n pressure @@ N$B/#r

&/t/r rating 0W

Set p/int temperature ; C

RE(RA+TORY TY*ES Ti1kness


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RE(RA+TORY TY*ES Ti1kness


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T/ eat and s/ak a bi22et t/ te desired temperature 0/rr/22ing in te mi22

I) ase %& "#e &*r)ae bei)+ res"ar"e' a&"er a a1i"als#*"'%.), "#e 1re4s"ar"*1 #e0s are $a'e3

All "#e %))e"e' %.s li0e %$b*s"i%) air, &*el %. al%)+

.i"# "#eir .%r0i)+ 1ress*re are #e0e' &%r ea# 8%)e a)' &%r"%"al &*r)ae3

Free %. %& reir*la"e' .a"er s*11l! &%r "#e s0i's a)''is#ar+e '%%r %%li)+ al%)+ .i"# i)'*s"rial .a"er &%r "#e"r%*+# is #e0e'3 Press*re a)' %. a) be $%)i"%re' .i"#alar$ 1r%2i'e' i) CP4?

All "#e a*iliar! s!s"e$s are #eal"#!3 All "#e +as %. ir*i"s are %)3 O!+e) a)al!8er *)i" is %) a)' #eal"#!3 C#ar+i)+ $a#i)e, .al0i)+ bea$ are i) #%$e 1%si"i%) a)'

sele"e' i) a*"% $%'e3

C#ar+i)+ a)' 'is#ar+i)+ '%%rs are l%se' a)' i) a*"% $%'e3 All "#e #ar+i)+ a)' 'is#ar+i)+ si'e r%llers are i) a*"% $%'e3 All "#e 8%)es are li+#"e' *1 a)' "#e "e$1era"*re $ai)"ai)e'

as 1er re=*ire$e)"3


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S*E+$AL (EAT!RES O( &$LL

WATER CUT SUPPLY OF MIED GAS IN THE REHEATINGFURNACE TO ENSURE SAFETY3 WALKING BEAM FURNACE3 INSULATED ROLLER TABLE TO SA7E ENERGY3 BILLET WEIGHING FACILITY3

TWIST FREE ROLLING3 7ARIETY OF PRODUCTS RANGING FROM ROUNDS TO

ANGLES3 EASE IN MAINTENACE3


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SPECIAL THANKS TO

HR DEPT,BRM SW

MR3 MOHAN REDDY SIRMR3 LOKESH SIRMR3 RAU SIR

Date post:	24-Feb-2018
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