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ABOUT ORGANISATION •NTPC, was setup in 1975 world’s largest• NTPC has installed capacity of 29,9! "#$•15 coal %ased power stations &2,95 "#'•7 gas %ased power stations &,955 "#'•! power stations in (oint )entures &1,79! "#'$•The co*pany has power generating facilities in all *a+or
regions of the country$
•n -or%es list of #orld’s 2... /argest Co*panies for theyear 2..7, NTPC occupies !11th place$
http://www.ntpc.co.in/cms/index.php?page=Installed-Capacityhttp://www.ntpc.co.in/cms/index.php?page=Installed-Capacity
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NTPC-A MaharatnaCompany…
InstalledCapacity..41184 MW
77%
0%
10%
13%
Installed Capacity NTPC (41184 MW)Coal
Hydro
Renewable
as
!"
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NTPC ANTA
It is a Gas Based Combined Cycle Power
Project. It is not only the first Gas Power
Plantof NTPC but is also the beginning of an era of
state of art Combined Cycle Power Plants in
the country.
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BRIEF DISCRIPTION OF NTPC ANTA
• Established in : 1989
• Type o station :!as based "o#bined "y"le
• $o"ation : Anta in Ba%an dist%i"t o Ra&asthan
• Total land : '9()*+ a"%es)
• F,el : Nat,%al !as- Naphtha
• F,el so,%"e : By !AI$ th%o,.h /B0 Pipe line
• ate% so,%"e : 2OTA RI!/T 3AIN CANA$
• !as T,%bine O,tp,t: ' 4 88)*1 3
• Stea# T,%bine O,tp,t : 1+')5( 3
• Net plant O,tp,t : 619)''3
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Units Confguration
G T 1 B
8 8 . 7 1 S
T 1
C 1 5 3 . 2
G T 1
C
8 8 . 7 1
G T 1 A
8 8 . 7 1
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GAS TU!"N#
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C$MP$N#NTS $ GAS TU!"N#&
Air inta'( syst(m Compr(ssor
Com)ustion *ham)(r
Gas Tur)in(
G(n(rator
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p(* *a ons o as Tur)in(
#% T'RIN$ 88MW
T*P$ # #% T'RIN$
+ %ta,e T C&MPR$%%&R
18 %T#$ #-I# /&W (T*P$ "# 140 18)
C&M'%TI&N CH#M$R %IN$ %I& T*P$'RN$R %IN$ %T#$ '# /IR$
#IR INT#2$ /IT$R T*P$ %$/ C$#NINT$N$2#* C#RTRI$%
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ST#AM TU!"N#
St(am Tur)in( is a rotating ma*hin( ,hi*h*on(rts .(at #n(rgy o+ St(am into M(*hani*a/#n(rgy
Th( NTPC Po,(r P/ants ,ith St(am Tur)in( us(san'in Cy*/(
Th( stag(s ar( arrang( in .P an 2P tur)in(sriing a/t(rnating *urr(nt +u// *apa*ity tur)o
g(n(rators Th(r( ar( no o+ )/a(s a/t(rnati(/y f4 an
rotat( u( to ,hi*h (/o*ity is in*r(as( anpr(ssur( is (*r(as(
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ST#AM TU!"N#
ST#AM
TU!"N#
M#C.AN"CA2 #N#G5
G#N#AT$
#2#CT"CA2 #N#G5
or 1630 M8 UN"T
at( o9p :1630M8
#*onomi* o9p -130M8
otation Sp(( :3000rpm
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%T$#M T'RIN$
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.o, o(s a Com)in( Cy*/( P/ant 8or';
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aste /eat Boile%
• 7sed hen aste heataailable at
#edi,#hi.h te#p
• A,;ilia%y ,el b,%ne%s
,sed i stea# de#andis #o%e than the aste
heat "an .ene%ate
• 7sed in heat %e"oe%y
%o# e;ha,st .ases%o# .as t,%bines and
diesel en.ines
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Water 3or Ter5al PowerPlants
.igh pr(ssur( )oi/(rs ar( us( +or st(amg(n(ration in th(rma/ po,(r p/ants
U/tra pur( ,at(r is r(
"mpuriti(s in ,at(r ar( o+ importan*( ,h(n
,at(r is to )( us( +or st(am g(n(ration!8 is ?6 % *on(nsat( an 6 % ma'(up
,at(r
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I5p6rities in Water and its
$7ect on oiler
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oiler %cale on Water %ide
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/ailed T6bes %owin, %i,ns o3 ot
Corrosion /ail6re and &ereatin,
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oiler /eed WaterTreat5ent
Th(r( ar( t,o st(ps&
@M P/ant
@(-a(ration
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M P#NT
@(min(ra/iation or @(ionisation is th(pro*(ss o+ r(moing min(ra/ sa/ts +rom ,at(r)y using th( ion (4*hang( pro*(ss
Th( +o//o,ing ions ar( ,i(/y +oun in ra,,at(rs
#nionsCa/*ium =CaB>
Magn(sium =MgB>Soium =NaB>Potassium =B>
Ch/ori( = C /->
!i*ar)onat( =.C $3->Nitrat( =N$3->Car)onat( =C $3->
Cations
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eioni9ation process
a, ,at(r is frst pass( through th(Cation r(sin )( *ontaining SAC (sin in .B +orm Ca Mg E Na ar( r(mo( an th(
sa/ts ar( *on(rt( to th(ir r(sp(*ti( a*is Th(s( a*is ar( pass( through Anion r(sin
)( ,h(r( th( anion /i'( C/ S$3 ar( r(mo(
So ,( *an g(t th( pur( ,at(r
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M P#NT
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i T,o-!( (ioniation
ii Mi4(-!( (ioniation
Te two type o3deioni9ation are
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Two:ed eioni9ation
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Mi;ed:ed eioni9ation
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eaeration o3 Water@isso/( o4yg(n in ,at(r is a maFor *aus( o+
)oi/(r syst(m *orrosion "t shou/ )( r(mo()(+or( th( ,at(r is put in th( )oi/(r
Tere are two 5etod
.(ating th( ,at(r in a (a(rating h(at(r $4yg(n S*a(ng(rs-
Corrosion )y o4yg(n in th( )oi/(r *an )(*ontro//( )y th( aition o+ Soium Su/ft(
=NaS$3> an .yrain( =N.>N. B $ H .$ B N
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&nline Monitorin, %yste5
$n/in( m(asurm(nt is ta'( p/a*( at S8AS
S8AS stans +or St(am an 8at(r Ana/ysis
Syst(mS8AS is main/y us( to *h(*' th(
h(a/thin(ss o+ st(am tur)in( an )oi/(r
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%W#% /low Cart
#a/ution
"nitia/Ca/*u/atio
n
@atainput
&2
*$%
%T$P 1
%T$P <
N
&
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%W#%
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%W#% #
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%ilica Meas6r5ent
• S(ri(s 6000 Si/i*a Ana/y(r is us( in po,(rp/ant
• .(r( ,( ar( us( Mo/y)aosi/i*at(9h(t(ropo/y)/u( m(tho o+ ana/ysis +or *o/orim(tri*m(asur(m(nt o+ si/i*a
• Rea,ent
•
Hydrocloric acid•
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%eries +000 %ilica analyser
Ran,e:
0.0:+000 =,>
#cc6racy:
? 1 =,>
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P Meter
H#CH
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Corrosion e7ect wit P
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issoled &;y,en
Mo(/ ?36 is a mi*ropro*(ssor-*ontro//(on-/in( monitor +or m(asuring isso/(o4yg(n in (a(rat( ,at(rs (g )oi/(r+(( ,at(r
our rang(s ar( aai/a)/(& 0 to 1?? 0 to1?? Ig'g:1 0 to 1?? an 0 to 1?? mg'g:1J rang( *hang( is automati*
Th( monitors *onsist o+ t,o is*r(t( unitsth( (/(*troni*s
i transmitt(r unit
ii s(nsor unit
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2$NT @4A+
Ran,e:0 to 1@.@=,B,
1
#cc6racy:
?1=,B,1
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Cond6ctiity Meter
2$NT 4+10
Ran,e:
0 to 1@.@@5,>l#cc6racy:
?0.+D?< di,its
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%odi65 Meas6r5ent
Th( A!! K037 Soium Monitor us(ssoium
ion-s(/(*ti( (/(*tro( an r(+(r(n*(
(/(*tro( to m(asur( th( soium ion*on*(ntration in po,(r station ,at(rs
Th( mo(/ K037 is an a**urat( r(/ia)/(
instrum(nt Th( monitors *onsist o+ t,o is*r(t( units
th( (/(*troni*s
i transmitt(r unit
ii s(nsor unit
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%odi65 analyser 80AE
Ran,e: 0.01 =, B,:1 to 105,.B,:1
#cc6racy: ?0.1 =, B,:1
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T$MP$R#T'R$ M$#%'R$M$NT
• T(mp(ratur( is a (gr(( o+ hotn(ss or *o/n(ss
• "t *an )( m(asur( using a th(rmom(t(r
• "tLs a/so a m(asur( o+ ho, +ast th( atoms anmo/(*u/(s o+ a su)stan*( ar( moing
• T(mp(ratur( is m(asur( in (gr((s on th(
ahr(nh(it C(/sius an (/in s*a/(s
T$MP$R#T'R$ M$#%'RIN
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T$MP$R#T'R$ M$#%'RININ%TR'M$NT%
1>!"M#TA22"C T.#M$M#T#
>M#CU5 "22#@ T.#M$M#T#
3>#S"STANC# T#MP#ATU#@#T#CT$
>T.#M$C$UP2#S
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IM$T#IC TH$RM&M$T$R
• !as( on T,o +unam(nta/ prin*ip/(s &
1> A// M(ta/s (4pan $r Contra*t ,ith *hang( in T(mp(ratur(
> Th( t(mp *o(*i(nt o+ (4pansion is i(r(nt+or a// m(ta/s Th( i(r(n*( in th(rma/ (4pansion o+ )oth m(ta/s is
proportiona/ to *hang( in t(mp(ratur(
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IM$T#IC TH$RM&M$T$R
Mat(ria/ Us( & /o, (4pansion mat(ria/ is "NOA
=a//oy o+ Ni E (> .igh (4pansion mat(ria/ is !ASS or
St((/
ang( & -6* to B660*
A**ura*y & Q06% +or /a)oratory typ("nstrum(nts
Q% +or pro*(ss typ( "nstrum(nts
@isaantag( & s/o,(r r(spons( tim(
Aantag( & 2o, Cost ugg( Constru*tion
"ni*ating typ(
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M$RC'R* /I$ TH$RM&M$T$R
• Th( *o(*i(nt o+ *u)i*a/ (4pansion o+ m(r*ury isa)out (ight tim(s gr(at(r than that o+ g/ass
• Th(r(+or( a g/ass *ontain(r ho/ing m(r*ury ,h(nh(at( ,i// (4pan +ar /(ss than th( m(r*ury it*ontains
• At a high t(mp(ratur( th( m(r*ury ,i// o**upy a
gr(at(r +ra*tion o+ th( o/um( o+ th( *ontain(r than it,i// )( at /o, t(mp(ratur(
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M$RC'R* /I$TH$RM&M$T$R
• ang( & -0* toR?*
• (spons( tim( & - 6 s(*
• (atur(s & apir(spons( A**ura*y
• @isaantag(s & $)F(*tion tom(r*ury on a**i(nta/
)r(a'ag(
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TH$RM&C&'P$
• PRINCIP$ Th(rmo (/(*tri* #(*t
• "+ t,o issimi/ar m(ta/s ar( Foin( tog(th(r so as to+orm a */os( *ir*uit th(r( ,i// )( t,o Fun*tions ,h(r(
th(y m((t (a*h oth(r Th( amount o+ *urr(nt prou*( (p(ns on
th( i(r(n*( in t(mp(ratur( )(t,((n t,o Fun*tions
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R$%I%T#NC$ T$MP$R#T'R$$T$CT&R
• #/(*tri*a/ r(sistan*( *an a/so )( us( to(t(rmin( t(mp(ratur(
• (sistan*( o+ th( s(nsor *hang(s as th(t(mp(ratur( *hang(s
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R$%I%T#NC$ T$MP$R#T'R$$T$CT&R
• ang( & -00 to R60*
• ast (spons( Tim( & to 3 s(*
• #4*(//(nt (p(ata)i/ity
• Sma// Si(
• .igh M(/ting point & 1773*
• 2imit( sus*(pti)i/ity to *ontamination
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PR$%%'R$M$#%'R$M$NT
• .yrostati* gaug(s =su*h as th( m(r*ury *o/umnmanom(t(r> *ompar( pr(ssur( to th( hyrostati* +or*(p(r unit ar(a th( th( )as( o+ a *o/umn o+ ui
• Piston-typ( gaug(s *ount(r )a/an*( th( pr(ssur( o+ui ,ith a so/i ,(ight or a spring
&'R&N
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&'R&N
• A )ouron gaug( us(s a *oi/(
tu)(
• As it (4pans u( to pr(ssur(in*r(as(s *aus(s a rotation o+
an arm *onn(*t( to th( tu)(
• As th( gaug( pr(ssur( in*r(as(s th(tu)( ,i// t(n to un*oi/
• This motion is trans+(rr( through a /in'ag( to a g(ar train *onn(*t( to an ini*ating n((/(
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$&W%
• Th(s( (i*(s us( th( s(a/( *ham)(r as a
r(+(r(n*( pr(ssur( an ar( ri(n )y (4t(rna/pr(ss
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$&W%
r( s(nsiti( than !ouron tu)( gaug(s
n,e & @o,n to 3psi
aracteristic &3 Material & @u*ti/( .igh Str(ngth
danta,es & Mo(rat( Cost Aapta)/( +or a)so/ut( an i(r(ntia/ pr(ssur(s
isadanta,es Unsuita)/( +or high pr(ssur(