cooling water treatment note

8/10/2019 Cooling Water Treatment Note

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MAHARASHTRA STATEPOWER GENERATION CO. LTD.

KHAPERKHEDA TPS EXPANSION PROJECT - 1 X 500 MW

BHUSAWAL TPS EXPANSION PROJECT - 2 X 500 MW

NOTE ONCONDENSER COOLING WATER/ AUXILIARY

COOLING WATER TREATMENT SYSTEM

DOC. NO. K5V1-000-DBN-M-0005K!V02-000

N"#$%&$' - 200!

C"()*+,(,)D$#$+"%$(, C"()*+,(,) P'#,$ L%,$

V) N# M*%&

H GENCO


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DOCUMENT CONTROL SHEET

Project : KHAPERKEDA TPS EXPANSION PROJECT 3 1 X 500 MWBHUSAWAL TPS EXPANSION PROJECT 3 2 X 500 MW

Client : MAHARASHTRA STATE POWER GENERATION CO.LTD.

Document Title :

Document No. :

Rev. No. :

NOTE ON

CONDENSER COOLING WATER/ AUXILIARY COOLING WATERTREATMENT SYSTEM

K5V1-000-DBN-M-0005K!V02-000

-

DCL Job No. : K5V1/ K!V02

ENDORSEMENTS

- 1-11-!""# Prelimin$r% &MG P& MSPD 'C RE( &G)

RE*.NO.

D+TE DESCR,PT,ON PREP. &S,GN.

,N,T,+L/

RE*0. & S,GN. ,N,T,+L/ +PPR*D &S,GN. ,N,T,+

DEVELOPMENT CONSULTANTS PRIVATE LIMITED

CONSLT,NG ENG,NEERS4ORM NO. DC4/MR - 0REV. 02

(OL(+T+ MM&+, DEL', C'ENN+,


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KHAPERKHEDA TPS EXPANSION PROJECT 1 X 500 MWBHUSAWAL TPS EXPANSION PROJECT 2 X 500 MW

NOTE ONCONDENSER COOLING WATER/

AUXILIARY COOLING WATER TREATMENT SYSTEM

I N D E X

CLAUSE NO. DESCRIPTIONPAGE NO.

1."." ,NTRODCT,ON 1

!."." SC'EMES O2 COOL,NG 0+TER TRE+TMENT 3

3."." MET'ODS O2 PRE*ENT,ON +ND CONTROL O2 SC+LE

."." C0 TRE+TMENT 2OR ('+PER('ED+ +ND 4&'S+0+L

5."." D,SCSS,ON +ND RECOMMEND+T,ON 6

T+&LES

T+&LE-1- R$7 7$ter +n$l%8i8 9or ($r;er;$n8ion Project8

K$'6$ TPS E7()"( P'"8$9, 1 X 500 MWB*):+ TPS E7()"( P'"8$9, 2 X 500 MW

CCW AND ACW SYSTEM 3 DBN

P;$ N".

1 O4 1

H

GENCO


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MAHARASHTRA STATE POWER GENERATION CO. LIMITEDKHAPERKHEDA TPS EXPANSION PROJECT 3 1X500 MW

BHUSAWAL TPS EXPANSION PROJECT 2 X 500 MW

NOTE ONCONDENSER COOLING WATER AND AUXILIARY COOLING WATER SYSTEM

1.0.0 INTRODUCTION

1.1." Gener$l

($;er;$n8ion Project 7ill $ve one unit o9

5"" M0 r$tin?. Te 8t$tion $8 9our / e>i8tin? unit8 e$c o9 c$;$cit% !1" M0.

&u8$7$l Term$l Po7er St$tion E>;$n8ion Project 7ill $ve t7o unit8 o9 5""

M0 r$tin? e$c. Te 8t$tion $8 one 1/ e>i8tin? unit o9 #!.5 M0 r$tin? $n=

t7o !/ e>i8tin? unit8 e$c o9 c$;$cit% !1" M0.

1.!." Con=en8er Coolin? 7$ter CC0/ $n= +u>ili$r% Coolin? 0$ter S%8tem.

1.!.1 Te 5"" M0 e>;$n8ion ;roject $t ($;er


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+C0 8%8tem : 3 5"A +C0 ;um;8 e$c o9 !#"" m3@r r$te= c$;$cit% to

circul$te eui;ment coolin? 7$ter trou? mi8cell$neou8

$u>ili$r% cooler8 o9 te ;o7er ;l$nt B $n= trou? te N$tur$l

Dr$9t Coolin? To7er.

Coolin? To7er : One N$tur$l Dr$9t Coolin? To7er o9 te 9ollo7in? =ut%.

R$te= c$;$cit% - #35"" m3@r.

Tot$l 'e$t Lou= 5F# > 1"# 1"#


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De8i?n coole= 7$ter tem; 3!.5oC.

De8i?n 'ot 7$ter Tem; !oC.

De8i?n +mbient 7et bulb tem; !4."oC

De8i?n +;;ro$c 5.5oC.

1.!.3 ,n bot te $bove c$8e8B te m$;$n8ion ;roject.

1.!. Ti8 note $im8 $t 8tu=%in? te 9e$8ible 8ceme8 o9 C0 8%8tem m$;$n8ion

;roject8 $t ($;er;o8e= to te 8un $n= $irB 7ic i8

encour$?in? 9or biolo?ic$l ?ro7t. ,n $==itionB te 8u8;en=e= 8oli=8 ;rovi=e 9oo=

8ite8 9or 8uc ?ro7t. 0ile =o8in? o9 o>i=iin? $?ent8 li


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te m$


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Limitin? te concentr$tion o9 8c$le 9ormin? miner$l8 b% blee=

control.

Re;l$cin? 8c$le-9ormin? miner$l8 7it 8oluble 8$lt8 b% $ci=

=o8in?.

Controllin? te 8c$le 9ormin? ;roce88 u8in?

Sc$le-inibitin? cemic$l8.

Mo=i9%in? te 8c$le 9ormin? miner$l8 b% ;%8ic$l meto=8

3.1." Pre-tre$tment o9 m$c$n?e 8o9tenin? ;roce88 remove8 mo8t o9 te $r=ne88B

7ere$8 it i8 onl% nece88$r% to remove te bic$rbon$te $r=ne88. &ec$u8e

te 8c$le 9ormin? com;onent8 o9 m$


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,ncre$8in? co8t8 o9 8u;;l%B tre$tment $n= =i8;o8$l o9 7$ter m$


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3.." Sc$le ,nibitin? Cemic$l8

Te u8e o9 8c$le 8u;;re88$nt8B o9ten c$lle= tre8ol= 8c$le inibitor8B to =el$%

;reci;it$tion $n= mo=i9% or =i8;er8e te ;reci;it$tin? 8;ecie8B i8 $ 7ell-

e8t$bli8e= meto= in C.0. S%8tem8 o9 Po7er Pl$nt8. Te% m$% be u8e= in

un8o9tene= $r= 7$ter8B ;rovi=e= te concentr$tion o9 $r=ne88 8$lt8 i8

;revente= 9rom becomin? e>ce88ive b% ;ro;erl% controlle= blee=. Te8e $re

;$rticul$rl% u8e9ul 9or en$blin? incre$8e= concentr$tion 9$ctor8 7itout

involvin? 8o9tenin? o9 te m$


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$voi= 8ilic$te 8c$le.. Norm$ll% 8ilic$ i8 not te ?ui=in? 9$ctor in c$8e8 7ere

r$7 7$ter 9rom river8 i8 u8e= 9or m$ili$r% coolin? 8%8tem8.

K$'6$ TPS E7()"( P'"8$9, 1 X 500 MWB*):+ TPS E7()"( P'"8$9, 2 X 500 MW

CCW AND ACW SYSTEM - DBN

P;$ N".8O4 10

H

GENCO


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Te 5"" M0 ;l$nt8 o9 NTPC $8 7ell $8 te 8u;er-critic$l ;o7er ;l$nt $t Si;$t $re

9ollo7in? te $bove conce;t $n= &'EL $l8o 8u;;l% teir &TG eui;ment 9or $ll 8uc

8t$tion8 7it clo8e= loo; EC0 8%8tem8 u8in? =eminer$li8e= 7$ter. ,n ti8 c$8e te

e$t lo$=8 9rom te EC0 8%8tem8 i8 t$ili$r% coolin? 7$ter

+C0/ 8%8tem trou? ;l$te t%;e e$t e>c$n?er8.

Te $bove 8%8tem 9or $u>ili$r% eui;ment coolin? i8 reuire= in or=er to $voi= $n%

c$nce o9 9oulin? in $ l$r?e number o9 8m$ll e$t e>c$n?erB 7ic c$nnot be

$tten=e= e$8il%. Te ;l$te e$t e>c$n?er8 $re ;rovi=e= 7it one 8t$n=b%B 7ic

c$n be e$8il% i8ol$te= $n= m$int$ine=. 2or te con=en8er coolin? 8%8temB

onlinetube cle$nin? 8%8tem i8 $v$il$ble $8 $n $i= to7$r=8 m$inten$nce o9 cle$n

con=ition o9 te C0 8%8tem.

5.0.0 DISCUSSION AND RECOMMENDATION

5.1." 2rom te r$7 7$ter $n$l%8i8 o9 ($;er;erience=. Te coolin? 8%8tem 7$8 converte= into

recircul$tin? t%;e coolin? 8%8tem 7it 8o9tene= m$


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5.!." ,n c$8e o9 ($;erc$n?er8 9or removin? e$t 9rom te EC0 8%8tem8 i8 c$lle= 9or. Te

clo8e= loo; EC0 8%8tem8 9or STG $n= &oiler +u>ili$rie8B $lon? 7it te ;l$te 'e$t

E>c$n?er8 9rom $ ;$rt o9 te M$in Pl$nt &oiler $n= Turbine Gener$tor/ P$c

cooling water treatment note

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