Training Cooling Water Handout for Operator

7/25/2019 Training Cooling Water Handout for Operator

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Cooling Water SystemsCoolin

g Water Systems

BASIC KNOWLEDGEBASIC KNOWLEDGE

FORFOR

PT POLYCE! INDONESIAPT POLYCE! INDONESIA

!ERAK PLANT SITE!ERAK PLANT SITE


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Cooling Water System O"er"ie#Cooling Water System O"er"ie#

Classi$i%ation&Classi$i%ation&

'('( O)en re%ir%*lating %ooling #ater systemO)en re%ir%*lating %ooling #ater system

+(+( Close, re%ir%*lating %ooling #ater systemClose, re%ir%*lating %ooling #ater system

-(-( On%e t.ro*g. %ooling #ater systemOn%e t.ro*g. %ooling #ater system

F*n%tion& to ,ire%tly or in,ire%tly %ool %.emi%alF*n%tion& to ,ire%tly or in,ire%tly %ool %.emi%al

)ro,*%ts/ )ro%ess $l*i,s/ steel )ro,*%ts/ et%( et%()ro,*%ts/ )ro%ess $l*i,s/ steel )ro,*%ts/ et%( et%(


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O)en Re%ir%*lating CW SystemO)en Re%ir%*lating CW System

E0*i)mentE0*i)ment

An o)en re%ir%*lating %ooling #ater system mainlyAn o)en re%ir%*lating %ooling #ater system mainly

%onsists o$&%onsists o$&

Cooling to#erCooling to#er eat e1%.angerseat e1%.angers

P*m)sP*m)s

Pi)elinesPi)elines


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O)en Re%ir%*lating CW SystemsO)en Re%ir%*lating CW Systems

AirAir AirAir

Win,ageWin,age

loss 2W3loss 2W3

E"a)orationE"a)oration

loss 2E3loss 2E3

!a4e5*)!a4e5*)

#ater 2!3#ater 2!3

Blo#,o#n #ater 2B3Blo#,o#n #ater 2B3

Pro%essPro%ess

$l*i,$l*i,

PS*))ly #aterS*))ly #ater

Ret*rn #aterRet*rn #ater


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Close, Re%ir%*lating CW SystemsClose, Re%ir%*lating CW Systems


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Cooling To#er Com)onentsCooling To#er Com)onents

A #et e"a)orati"e %ooling to#er %onsists o$&A #et e"a)orati"e %ooling to#er %onsists o$&

Inlet #ater ,istri6*tion system 2.ea,er $orInlet #ater ,istri6*tion system 2.ea,er $or

ret*rning re%ir%*lating %ooling #ater3ret*rning re%ir%*lating %ooling #ater3

To#er Fill 2$or in%reasing #ater5air %onta%t3To#er Fill 2$or in%reasing #ater5air %onta%t3

Basin 2$or %olle%ting an, retaining %oole, #ater3Basin 2$or %olle%ting an, retaining %oole, #ater3

Dri$t Eliminators 2$orDri$t Eliminators 2$or

remo"al o$ entraine, ,ro)letsremo"al o$ entraine, ,ro)lets

$rom t.e air stream3$rom t.e air stream3

Lo*"ers 2$or ,ire%ting t.eLo*"ers 2$or ,ire%ting t.eair $lo#3air $lo#3


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Cooling Water System Pro6lemsCooling Water System Pro6lems

CorrosionCorrosion

S%alingS%aling

Bio$o*lingBio$o*ling


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E$$e%ts o$ %orrosion/ s%aling an,E$$e%ts o$ %orrosion/ s%aling an,

6io$o*ling6io$o*ling

Pro6lems in %ooling #ater systems&Pro6lems in %ooling #ater systems&


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T.e %orrosion )ro%essT.e %orrosion )ro%ess

Fa%tors a$$e%ting %orrosionFa%tors a$$e%ting %orrosion Corrosion in.i6itionCorrosion in.i6ition

CorrosionCorrosion


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CorrosionCorrosion

T.e %orrosion %ellT.e %orrosion %ell

Ano,i% rea%tion&Ano,i% rea%tion& FeFe FeFe+7+7

7 +e7 +e55

Cat.o,i% rea%tions&Cat.o,i% rea%tions& ++O 7 '8+ OO 7 '8+ O++7 +e7 +e55 +O+O55

++777 +e7 +e55 ++ 2at lo# )32at lo# )3


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CorrosionCorrosion

Corrosion in.i6ition 2)re"ention3Corrosion in.i6ition 2)re"ention3

9se %orrosion resistant materials 2SS39se %orrosion resistant materials 2SS3

A))li%ation o$ inert 6arriers 2%oatings3A))li%ation o$ inert 6arriers 2%oatings3

A,:*stment o$ #ater %.emistry 2)/ aggressi"eA,:*stment o$ #ater %.emistry 2)/ aggressi"eions/ ot.er )arameters li4e al4alinity3ions/ ot.er )arameters li4e al4alinity3

A))li%ation o$ %.emi%al %orrosion in.i6itorsA))li%ation o$ %.emi%al %orrosion in.i6itors

Ano,i%Ano,i%

Cat.o,i%Cat.o,i%

Com6inationCom6ination

Initial treatmentInitial treatment


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Corrosion In.i6itorCorrosion In.i6itorFor O)en Cooling Water SystemFor O)en Cooling Water System

!aintenan%e treatment #it. K9RITA S5series&!aintenan%e treatment #it. K9RITA S5series&

K9RITA S5;'


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Corrosion In.i6itorCorrosion In.i6itor

For Close, Cooling Water SystemFor Close, Cooling Water System

!aintenan%e treatment #it. K9RILE? L5series&!aintenan%e treatment #it. K9RILE? L5series&

K9RILE? L5'


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Fa%tors a$$e%ting s%alingFa%tors a$$e%ting s%aling

Ty)es o$ s%alingTy)es o$ s%aling

S%aling in.i6itionS%aling in.i6ition

S%alingS%aling


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S%alingS%aling

S%aling o%%*rs #.en %on%entrate, salts in t.eS%aling o%%*rs #.en %on%entrate, salts in t.e

re%ir%*lating %ooling #ater e1%ee, t.eir sol*6ilityre%ir%*lating %ooling #ater e1%ee, t.eir sol*6ility

an, )re%i)itate in t.e #ater an, ,e)osit onan, )re%i)itate in t.e #ater an, ,e)osit on

e0*i)ment in t.e %ooling #ater system(e0*i)ment in t.e %ooling #ater system(


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Fa%tors a$$e%ting s%ale $ormation&Fa%tors a$$e%ting s%ale $ormation&

))

Tem)erat*reTem)erat*re Flo# "elo%ity in .eat e1%.angersFlo# "elo%ity in .eat e1%.angers

Corrosion/ $o*ling/ mi%ro6ial a%ti"ityCorrosion/ $o*ling/ mi%ro6ial a%ti"ity

TDS an, SSTDS an, SS

S%alingS%aling


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S%alingS%aling

Common s%ales&Common s%ales&

Cal%i*m %ar6onate/ CaCOCal%i*m %ar6onate/ CaCO--

Cal%i*m ).os).ate/ CaCal%i*m ).os).ate/ Ca--2PO2PO33++

!agnesi*m sili%ate/ !gSiO!agnesi*m sili%ate/ !gSiO--

9n%ommon s%ales&9n%ommon s%ales&

Iron ).os).ateIron ).os).ate

in% ).os).atein% ).os).ate

Cal%i*m s*l).ateCal%i*m s*l).ate


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S%alingS%aling

Cal%i*m %ar6onate&Cal%i*m %ar6onate&

W.ite s%aleW.ite s%ale

In"erse sol*6ility #it.In"erse sol*6ility #it.

tem)erat*retem)erat*re

,e)en,ing o$ %al%i*m,e)en,ing o$ %al%i*m

%on%entration/ ) an, al4alinity%on%entration/ ) an, al4alinity


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S%alingS%aling

Cal%i*m ).os).ate&Cal%i*m ).os).ate&

Yello#is. s%aleYello#is. s%ale

in"erse sol*6ility #it.in"erse sol*6ility #it.

tem)erat*retem)erat*re

,e)en,ing o$ )/ %al%i*m an,,e)en,ing o$ )/ %al%i*m an,

ort.o).os).ateort.o).os).ate

%on%entration%on%entration


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S%alingS%aling

!agnesi*m sili%ate&!agnesi*m sili%ate&

Tena%io*s/ glassy s%aleTena%io*s/ glassy s%ale

!i1t*re #it. %al%i*m sili%ate!i1t*re #it. %al%i*m sili%ate

,e)en,ing o$ )/ magnesi*m 2%al%i*m3 an, sili%a,e)en,ing o$ )/ magnesi*m 2%al%i*m3 an, sili%a

%on%entration%on%entration


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S%alingS%aling

S%aling in.i6ition 2)re"ention3S%aling in.i6ition 2)re"ention3Limit t.e %on%entration o$ %riti%al ioni% s)e%iesLimit t.e %on%entration o$ %riti%al ioni% s)e%ies

Re,*%e al4alinity an,8or ) #it. a%i,Re,*%e al4alinity an,8or ) #it. a%i,

Alter system ,esign or o)erationAlter system ,esign or o)eration

-In%rease $lo# "elo%ityIn%rease $lo# "elo%ity

-Design o$ .eat e1%.anger 2n*m6er o$ )asses/ #ater t*6e5Design o$ .eat e1%.anger 2n*m6er o$ )asses/ #ater t*6e5

si,e3si,e3

-C.ange metall*rgyC.ange metall*rgy

-Re,*%e .eat $l*1Re,*%e .eat $l*1

A))ly %.emi%al s%ale in.i6itorsA))ly %.emi%al s%ale in.i6itors

2!*lti$*n%tion K9RITA S5series or single $*n%tion K9RITA T5series32!*lti$*n%tion K9RITA S5series or single $*n%tion K9RITA T5series3


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!i%ro5organisms $o*n, in!i%ro5organisms $o*n, in

%ooling #ater systems%ooling #ater systems

Fa%tors a$$e%ting mi%ro6ialFa%tors a$$e%ting mi%ro6ial

%ontrol%ontrol

!i%ro6ial %ontrol > 6io%i,es!i%ro6ial %ontrol > 6io%i,es

O1i,iingO1i,iingNon5o1i,iingNon5o1i,iing



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Bio$o*ling is %a*se, 6y t.e *n%ontrolle, )resen%eBio$o*ling is %a*se, 6y t.e *n%ontrolle, )resen%e

an, gro#t. o$ 6a%teria/ algae an, $*ngi in t.ean, gro#t. o$ 6a%teria/ algae an, $*ngi in t.e

%ooling #ater system(%ooling #ater system(


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Bio$o

*ling

Bio$o

*ling


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Fa%tors a$$e%ting mi%ro6ial gro#t.&Fa%tors a$$e%ting mi%ro6ial gro#t.&

N*tritional %on,itionsN*tritional %on,itions

P.ysi%al %on,itionsP.ysi%al %on,itions

- Some nee, o1ygen 2aero6i%3/Some nee, o1ygen 2aero6i%3/

some ,o not 2anaero6i%3some ,o not 2anaero6i%3

- O)tim*m ) ;(< > ( ( ~ 12


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STANDARD CONTROL RANGESTANDARD CONTROL RANGE

Items Stan,ar,K9RILE? L5'


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CALCULATION FORMULACALCULATION FORMULA

* KURITA S-6100

DAILY CONSUMPTION

= Dosage (mg/l or ppm) x TB (m/!) x ("/"###) x $% !/&

TB = To'al lo &o = + , B (m/!)

* POLYCRIN A-411DAILY CONSUMPTION

= Targe' -.Cl$(mg/l or ppm) x - (m/!) x ("##/(a0'12e 0!lor1e)) x ("/"###) x $% !/&

- = -e01r03la'1o ra'e (m/!)

* KURITA F-4900, KURITA F-5210, POLYCRIN A-496, POLYCRIN A-491S

MONT4LY CONSUMPTION

= Dosage (mg/l or ppm) x 45 (m) x ("/"###) x (6/m)

45 = 4ol&1g 2ol3me (m/!) (6/m) = 6 '1mes sl3g &os1g per " mo'!


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CALCULATION FORMULACALCULATION FORMULA

* KURILEX L-107

DAILY CONSUMPTION

= Dosage (mg/l or ppm) x TB (m/!) x ("/"###) x $% !/&

TB = 7a'er loss/ma8e 3p (m/!)


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E$$e%ts o$ %orrosion/ s%aling an,E$$e%ts o$ %orrosion/ s%aling an,

6io$o*ling6io$o*ling

To a"oi, %orrosion/ s%aling an, 6io2$o*ling3&To a"oi, %orrosion/ s%aling an, 6io2$o*ling3&

T.e )ro)er %ooling #ater treatment s.o*l, 6eT.e )ro)er %ooling #ater treatment s.o*l, 6e

a))lie, 2in.i6itors/ 6io%i,es3a))lie, 2in.i6itors/ 6io%i,es3

Dosage of cooling water treatment chemicals atDosage of cooling water treatment chemicals at

the specified concentrationthe specified concentration

T.e a))ro)riate %ooling #ater )arametersT.e a))ro)riate %ooling #ater )arameters

s.o*l, 6e %ontrolle, #it.in t.eir s)e%i$ie,s.o*l, 6e %ontrolle, #it.in t.eir s)e%i$ie,rangesranges

Pro%ess )arameters s.o*l, 6e %ontrolle, 2$lo#Pro%ess )arameters s.o*l, 6e %ontrolle, 2$lo#

"elo%ity/ tem)erat*re/ )ress*re3"elo%ity/ tem)erat*re/ )ress*re3

Training Cooling Water Handout for Operator

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