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750MW PAPALANTO COMBINED CYCLE POWER PLANT INIGERIA

DEPARTMENT HRSG

HRSG Operation &Maitenane Man!a"

Co#pi"e$% Yan '!e(en

)eri(ie$ S*an +*en

Appro,e$ Tai De*!n

-.t* Ma/ 10-0

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HRSG Operation In2tr!tion

-333333333333433-5

HRSG Maintenane In2tr!tion

-56344333333343333410.

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Chapter 1. 4

Article 1 Brief Introduction. 5

Article 2 Design Criterion of HRSG..

Article ! Boiler "rotection Set #alue. 2$

Chapter 2. 2!

Article 1 %" stea& and 'ater s(ste&.. 24

Article 2 H" stea& and 'ater s(ste&.. !5

Article ! Deaerator s(ste&.. 4)

Article 4 H" *(pass s(ste&.. 4+

Article 5 %" *(pass s(ste&.. )$

Article ) ,ater drain and stea& e-haust s(ste&.. $

Article Ser/ice 'ater s(ste&.. )

Article Inter&ittent *lo'do'n flash tan0 s(ste&.. Article + %ocal *oiler dru& le/el &eter 'ash. 1

Chapter !. 4

Article 1 Accidents disposal principles 5

Article 2 &ergenc( shutdo'n.

Article ! Accident shutdo'n.

Article 4 Accidents disposal +

Chapter 4. 1$+

Article 1 H(draulic *oiler set 11$

Article 2 Safet( /al/es floating. 12$

Article ! aintenance after shutdo'n. 12!

Chapter 5. 14$

Appendix 1: Sketch Map of HP and LP Drum Water Level Fixed Value 141

Appendix : Sketch Map of Deaerator Water Level Fixed Value 142

Appendix !: "he control #et value of HP Drum Po#itive Pre##ure $radient14!

Appendix %& 'heck Li#t of Steam Saturated "emperature. 144

Appendi- 5 Co&&on 3nit Con/ersion a*le. 14

Appendix ( )*uipment# Periodical "e#t# and Periodical "ran#ferrin+ "a,le 15$

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C*apter -

Brie( Intro$!tion an$ De2in Criterion o( HRSG

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Article 1 Brief Introduction

1. General Situations

Model: -$.P$/101).

"2pe: Dou,le.pre##ure3 no after,urnin+ and reheatin+3 #elf inte+rative vertical

natural circulation HS$

Manufacturer: Wuxi 4oiler Factor2

A##orted "ur,ine: P$/101)

Si5e: Hei+ht: /&(m 6/0&0(ft73 Width 1!&89m 6%&1ft7

"he elevation of HP #team drum center i# &/9m;

"he elevation of LP #team drum center i# &08m;

"he elevation of deaerator center i# !&8m;

"he elevation of ,oiler chimne2 i# %9 m 61%&9ft7 and the ,2pa## chimne2 elevation i#

%8m;

14 I""!#ination o( Boi"er Str!t!re

"he ,oiler i# dou,le.pre##ure3 no after,urnin+ and reheatin+3 outdoor #elf inte+rative

vertical natural circulation HS$3

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,2pa## outlet flue ductinlet flue duct of HS$& =n the inlet flue duct3 the flue flo< i#

chan+ed from hori5ontal to vertical3 up into ,oiler ,od2 to flu#h the !rdla2er module#3 nd

la2er module# and 1#tla2er module# and finall2 exhau#ted to the air throu+h the outlet flue

duct and chimne2&

!rdla2er module#: HP #uperheater 6SHP73 HP #uperheater# 1 6SHP17;

ndla2er module#: HP vapori5er 6VHP73 HP coal economi5er ! 6)HP!73 LP #uperheater

6SLP73 HP coal economi5er 6)HP7

1#tla2er module#: LP vapori5er 6VLP73 HP coal economi5er 1 6)HP173 preheater 6P)H7

4. Steam and water process

"he HS$ ha# three pre##ure #ta+e#; Accordin+ to the pre##ure3 it can ,e divided a# the

follo

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Article 2 Design Criterion of HRSG

-4 T*er#o$/na#i a"!"ation o( HRSG 8per(or#ane!arantee$ 9or:in on$ition;4

"he de#i+ned load&

Heat,alance at

flue +a##ide

unit SHP SHP1 VHP1 )HP! SLP1 )HP VLP1 )HP1 P)H

Flue +a#flo of rated flo< 6the 1#tcritical #peed of FDW pump #hould

,e 198> hi+her than the #peed corre#pondin+ to de#i+n

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Lift (8m

Speed /98r?min

ece##ar2 net po#itive #uctionhead %&m

Motor po

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&!&!'heck lu, oil pre##ure normal and oil return #mooth;

&!&%@pen air relief valve and o,#erve the oil #lin+er on ri+ht po#ition;

&!&9'heck the #uction valve# opened;

&!&(When condition# #ati#fied3 #tart the recirculation pump on D'S or in #ite and open the

reect valve# at once& "he reect valve# are not allo hori5ontal multi.#ta+e #u,.#ectional centrifu+al con#tant #peed LP FDW pump:

"he min& flo< for continuou# runnin+ ,ut not dama+in+ i# 9> of rated flo< 6the 1 #t

critical #peed of FDW pump #hould ,e 198> hi+her than the #peed corre#pondin+ to

de#i+n

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"he thermal re#i#tance adopt# Pt188 !.line #2#tem 6t

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'oolin+

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Min permi##ive #peed 1811rpm

. C$ec(s #efore &D' s*stem startup

!&1 'old #tartup check#:

!&1&1'onfirm the in#trument# air pre##ure normal3 all relative valve# verification *ualified and

the po

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%&&1@n LP FDW #2#tem di#pla23 #tart LP FDW pump and open the outlet;

%&&@n LP FDW #2#tem di#pla23 open LP FDW !.

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&9 "he parameter

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value

1Driven end ,earin+ temp& hi+h value

= of LP FWD pump189 Alarm

Driven end ,earin+ temp& hi+h value== of LP FWD pump

118 LP FDW pump trip

!Drivin+ end ,earin+ temp& hi+h

value = of LP FWD pump189 Alarm

%Drivin+ end ,earin+ temp& hi+h

value == of LP FWD pump118 LP FDW pump trip

9

Seal

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intermittent ,lo

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lo< of LP main #team #team drainin+ valve#

1 Preheater pre##ure hi+h 1( ,ar Alarm

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,earin+ ha# independent #urve2 point# 6#in+le Pt1887; the analo+ue #i+nal i# %8mA

D' 6the accepted analo+ue #i+nal ,2 ,u2er #hould have i#olation function#7; the

di#crete i# dr2 contact point

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'oolin+

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Min permi##ive #peed 1811rpm

C$ec(s #efore H &D' s*stem startup

!&1 'old #tartup check#:

!&1&1'onfirm the maintenance fini#hed3

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%&&9 @n HP FDW #2#tem di#pla23 #et the automatic adu#tment #ettin+ value of FDW at

#tartup value and on auto po#ition;

%&&(@n HP FDW #2#tem di#pla23 put the adu#tment valve from HP FDW pipe# to LP ,oiler

on auto po#ition;

%&&0'heck

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&9 "he parameter

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= of HP FDW pump motor

18!.pha#e

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i#olatin+ valve#

!

Pre##ure difference,et

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19HP main #team pre##ure

hi+h value ==0/ ,ar HS$ trip

1(HP main #team flo< over

min& value =!( t?h

Sin+le element controlto three element control

10HP main #team flo #team from

HS$ can ,e #upplied to conden#er directl2& Pre##ure control valve# of HP ,2pa## #team

#2#tem allo< HP #team into conden#er throu+h #team pipe# to adu#t the HS$ #team flo

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1&&&! Hot

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42pa## valve#Spra2

re+ulatin+valve#

Spra2i#olatin+valve#

emark#

Model '05(1.P9!0&0V "p0(%.%&8= "p0(%.%&8=

"2pe an+le

Drivin+ mode h2draulic h2draulic h2draulic

De#i+n pre##ure 0&0 % %

De#i+n temp& 9 (8 (8

"e#t pre##ure 11&( ( (

Valve# material# 1'r1MoV 19'rMo 19'rMo

o55le material# 8'r1i18"i

State after po

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&1&Drivin+ device# of HP ,2pa## device#

ame -nit

42pa## valve#3 #pra2 re+ulatin+ valve#3 #pra2i#olatin+ valve# #ervomotor#

42pa## valve#

#pra2

re+ulatin+valve#

#pra2 i#olatin+

valve#

Manufacturer Jinhua Hui2i Jinhua Hui2i Jinhua Hui2i

model $88 $(% $(%

@il pre##ure MPa 1( 1( 1(

diameter mm 88 (% (%

tran#ect #*uare mm 188 98 98

Workin+ force G !98 !( !(

#troke mm 189 %9 %9

eactin+

time ofcomplete

#troke

Fa#t@pen

S

Fa#tclo#e

Wei+ht G+ %88 11% 188

&1&!@il #tation e*uipment technolo+2 parameter

"he h2draulic actuator oil feedin+ device of each unit ,2pa## device are e*uipped

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'

"2pe'on#tant pre##ure

varia,le

t2& Set

ated oil pre##ure MPa 1(

ated flo< l?min %9

Speed r?min 1%98

Manufacturer Deni#on?Parker

@il tank

Model

t2& #et 1

Workin+ pre##ure MPa 8&1

Workin+ capacit2 L !98

Max oil #tora+e L %88

! filter

Model

Material# Fa,ric

Aperture m 18

Permi##ive

pre##ure difference

MPa 8&!9

Appearance Si5e mm 188X88

% @il pumpmotor

Model

t2& Set

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Po

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&1&%@il #tation oil *ualit2 parameter

@r+anic pho#phate fire re#i#tance oil i# the

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C$ec(s #efore startup

!&1 'heck# ,efore cold #tartup 6overhaul7:

!&1&1'onfirm all e*uipment# cleaned and la,el# re#i+ned;

!&1&'onfirm all in#trument#3 electric and D'S #2#tem normal;

!&1&!'onfirm oil pre##ure #2#tem normal;

!&1&%'onfirm u#er ,lo

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%&! When tur,ine HP c2linder loadin+ load3 if the tur,ine main control valve# are located

,efore inlet pre##ure control mode and the main control valve# open over /9>3 the #et

value of HP ,2pa## pre##ure re+ulatin+ valve# 3 D'S tran#fer# $" control

mode from #tre## control to inlet pre##ure control and the HP ,2pa## pre##ure re+ulatin+

valve# open at con#tant #peed;

%. B*pass s*stem actions during s$utdown

9&1 When D'S receive# #i+nal#:

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& HP ,2pa##

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Article % #*pass s*stem

1. General Introduction

LP ,2pa## #2#tem device i# made up of h2draulic LP ,2pa## valve# 6LP ,2pa## valve#

include de#uperheater73 h2draulic #pra2 re+ulatin+ valve#3 h2draulic #pra2 i#olatin+ valve#;

$" LP ,2pa## #2#tem i# de#i+ned that under all operatin+ condition#3 the 188> #team

from HS$ can ,e #upplied to conden#er directl2& Pre##ure control valve# of LP ,2pa##

#team #2#tem allo< LP #team into conden#er throu+h #team pipe# to adu#t the HS$

#team flo

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1&&& 'onden#er temp& hi+her than #et value;

1&&&! Hot

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)lectric #hut.off valve3

,2pa## valve

Spra2 adu#tin+valve

Spra2 i#olatin+valve

Model '05(!.P1&( "p0(%.%&8' "p0(%.%&8'

"2pe an+le Strai+ht Strai+ht

Drivin+ mode h2draulic h2draulic h2draulic

De#i+n pre##ure 8& % %

De#i+n temp& (&9 (8 (8

"e#t pre##ure 1& ( (

Valve# material# 8 8 8

o55le material# 8'r1i18"i

State after po

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&1&Drivin+ device# of LP ,2pa## device#

ame -nit

42pa## valve#3 #pra2 re+ulatin+ valve#3#pra2 i#olatin+ valve# #ervomotor#

42pa##

valve#

#pra2

re+ulatin+valve#

#pra2

i#olatin+valve#

Manufacturer Jinhua or

Hui2iJinhua or

Hui2iJinhua or

Hui2i

model $% $(% $(%

@il pre##ure MPa 1( 1( 1(

diameter mm % (% (%

tran#ect #*uare mm !%9898

98

Workin+ force G 99 !( !(

#troke mm 9 99 9

eactin+time of

complete#troke

Fa#t@pen

S

Fa#tclo#e

&1&!@il #tation e*uipment technolo+2 parameter

"he h2draulic actuator oil feedin+ device of each unit ,2pa## device are e*uipped

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M'

"2pe'on#tant pre##ure

varia,le

t2& Set

ated oilpre##ure

MPa 1(

ated flo< l?min %9

Speed r?min 1%98

Manufacturer Deni#on?Parker

@il tank

Model

t2& #et 1

Workin+pre##ure

MPa 8&1

Workin+capacit2 L !98

Max oil #tora+e L %88

! filter

Model

Material# Fa,ric

Aperture m 18

Permi##ivepre##uredifference

MPa 8&!9

AppearanceSi5e

mm 188X88

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%

@il pumpmotor

Model

t2& #et

Po

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0)lectricheater

t2& unit 1

Po

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1Mechanical impurit2

contentm+?l a#1!!; 'la##0

4 C*e:2

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%&! When LP ,2pa## pre##ure adu#tin+ valve #et value up to the value over max normal

operatin+ pre##ure3 LP ,2pa## pre##ure adu#tin+ valve i# on clo#e po#ition;

%. #*pass s*stem actions during s$utdown

9&1 When tur,ine #peed i# do3 LP ,2pa## pre##ure adu#tin+ valve #et

value

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1Drain tank level hi+h ,efore LP

#team ,2pa## valve@pen drain valve# 988 mm

Drain tank level lo< ,efore LP

#team ,2pa## valve'lo#e drain valve# 98 mm

! @pen of LP ,2pa## re+ulatin+valve# over certain value

HS$ LP #uperheaterdrain i#olatin+ valve clo#e

8>

%LP ,2pa## do

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control valve

18LP #team ,2pa## pre##ure tran#mitter i#olatin+

valve@pen

11 LP #team ,2pa## pre##ure tran#mitter i#olatin+valve @pen

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Article 'ater drain and steam e;$aust s*stem


"he function# of

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valve# and #uperheater outlet drain valve# on half or full open po#ition over !min at

lea#t3 clo#e them in turn 6HP pre##ure at 8&80MPa or #team flo< meet# re*uirement#3

#uperheater drain valve# can ,e clo#ed accordin+ to Han+5hou 4oiler document#7

&&When HP pipe drain valve# at HP ,2pa## HP valve inlet opened over !min at lea#t and

HP ,2pa## HP valve# open over 8>3 clo#e the valve#;

&&/When HP pipe# drain valve# at HP ,2pa## pre##ure re+ulatin+ valve# and tur,ine main

control valve# inlet opened !min at lea#t and HP pipe# drain valve# at #uperheater#

outlet3 HP #team flo< element inlet3 HP ,2pa## contact main #team flo< do

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&&10 After LPS outlet drain valve# and LP #team flo< element inlet drain valve# opened for

!min at lea#t and LP ,2pa## pre##ure re+ulatin+ valve# open at 8> at lea#t3 the2 are

allo

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Article 6 Ser5ice water s*stem

1. General Introductions

Service

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%&% 'heck openin+ 'W operation normal;

%&9 'heck +roundin+ +ood and motor# in#ulation *ualified;

%&( 'heck +roundin+ +ood and motor# in#ulation *ualified;

%&0 'heck pump outlet pre##ure and flo< normal;

% C$ec(s during ser5ice water in ser5ice

9&1 'heck the outlet pre##ure and flo< normal;

9& 'heck the pump vi,ration

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Article 7 Intermittent #lowdown flas$ tan( s*stem


'u,a+e: m!

"he fla#h tank i# u#ed to collect HP drum continuou# ,lo

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cu,a+e m!

Actionpre##ure of

#afet2 valve#MPa

Model ...

A5aila#ilit* of Intermittent #lowdown s*stem

!&1 'heck maintenance fini#hed3 e*uipment# +ood and #ite clean;

!& 'heck

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9&! 'heck the intermittent ,lo

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9&% 'lo#e local Lv& meter ' #econdar2 drain valve at #team #ide on HP drum [1 and open

local Lv& meter ' #econdar2 drain valve at

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C$apter

Accidents and &aults Disposal of HRSG

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Article 1 Accidents disposal principles

1 =f accident# happen3 the operator# #hould di#po#e the accident# a# #oon a# po##i,le

accordin+ to #hift en+ineer command;

After accident# happen3 take an2 method to prevent accident# expan#ion and to limitaccident# #cope or remove real cau#e#;

! =f an2 fault# not on re+ulation# happen3 the operator# #hould ud+e the fault# correctl2

accordin+ to meter# and in#trument# and e*uipment# reflection addin+ the operation

experience and then take #ome effective mea#ure# to di#po#e the fault# in time;

% Accordin+ to the characteri#tic# of com,ined +a#.#team c2cle unit3

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Article 2 9mergenc* s$utdown

=f an2 of the follo

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Article Accident s$utdown

=f an2 of the follo

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Article 4 Accidents disposal

1 85erfeed of water into #oiler

1&1 'au#e#:

1&1&1Auto re+ulatin+ device# of FDW unavaila,le or re+ulatin+ actuator# on fault3

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1&!&9 =f the

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!&1&4lo

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%&! Di#po#al:

%&!&1 =f

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o& fault# di#po#al

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o& fault# di#po#al

impeller# 6,7

1!

Proportion and vi#co#it2 of

tran#portin+ medium overre+ulation#

6,7

19 Speed too hi+h 6,76c7

1( Seal dama+ed 'han+e the #eal

10 Shaft #eal dama+edDecide

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o& fault# di#po#al

9 Lu, oil le## or not *ualifiededuce or increa#e lu, oil*uantit2 or improve lu, oil*ualit2

( 'oupler +ap not a# re+ulatede+ulate the coupler +ap a#erection re+ulation

0 Volta+e too lo<

Motor# runnin+ under pha#e# 'han+e fu#e; check circuit#;

/ 'onnectin+ ,olt# loo#ened "i+ht ,olt#; chan+e ne< plate#;

!8 otor not ,alanced'lean rotor; take d2namic,alancin+ on rotor

!1 4earin+ dama+ed 'han+e ne< ,earin+

! Flo< not #ufficient =ncrea#e min flo and the damper# po#ition mu#t

,e connected to D'S ,2 hard.

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do

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preheater#

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re*uirement#3

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-4 Genera" Sit!ation

"he #tead2in+ of ,oiler runnin+ parameter# are clo#el2 related to external load chan+in+

and ,oiler inner factor# variet2& An2 of a,ove factor# chan+ed3 the ,oiler runnin+

#ta,ili5ation and #afet2

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!&1 "he indication# of local dou,le colored level meter# at ,oth #ide# #hould ,e the #ame& =f

not3 take

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#tartup and #hutdo

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(&1&("he +la## level meter# #hould ,e ,lo

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C*apter -0 HRSG Per(or#ane para#eter2

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"he de#i+n performance of thi# ,oiler

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C*apter -- HRSG S*!t$o9n operation2

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"he #hutdo

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&1 After '"$ #hutdo

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%& Di#po#al after #hutdo

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C*apter -1 HRSG #aintenane a(ter

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-4 Maintenane p!rpo2e

1&1 =f the interval# of unit #tartup i# lon+er 6over a

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. eduction: HQQe.NNRH 67

@Q%e.QH@NNR% @H. 6!7

When ferrum contact#

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Which maintenance mea#ure

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=f the #uccedent ,oiler commi##ionin+ take# place after (

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At h ,efore ,oiler unloadin+3 do#e H!

to en#ure ,oiler

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LP main #team i#olatin+ valve: 11L4A8AA881

FDW i#olatin+ valve# mu#t ,e clo#ed:

HP FDW pump outlet i#olatin+ valve#: 11LA411AA88!3 11LA41AA88!3 11LA41!AA88!

LP FDW pump outlet i#olatin+ valve#: 11LA4!1AA88!3 11LA4!AA88!3 11LA4!!AA88!

Drum# continuou# ,lo

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little ,it 618.98m,ar7;

%&1&(@peration durin+ ,oiler #hutdo

8/10/2019 HRSG O&M

204/230

%& Partial

8/10/2019 HRSG O&M

205/230

=n ,oiler control room3 operator# tran#fer ,oiler to #hutdo

8/10/2019 HRSG O&M

206/230

@pen HP drum nitro+en ,lanketin+ valve: 11HAH18 AA%9

@pen LP drum nitro+en ,lanketin+ valve: 11HAH!8 AA%9

@pen deaerator nitro+en ,lanketin+ valve: 11L'A/8 AA%9

@pen preheater nitro+en ,lanketin+ valve: 11L'A08 AA%9

@pen HP) nitro+en ,lanketin+ valve: 11LA48 AA88

With #team conden#ed and furnace pre##ure do

8/10/2019 HRSG O&M

207/230

HP main #team drain valve: 11L4A08 AA%8

HP main #team drain valve: 11L4A8 AA%8

%&%&Step# of dr2 nitro+en ,lanketin+ under cold #tate

When take dr2 nitro+en ,lanketin+ protection under cold #tate3 the follo

8/10/2019 HRSG O&M

208/230

C*apter - HRSG Dai"/ Maintenane

8/10/2019 HRSG O&M

209/230

Durin+ ,oiler runnin+3 the operator# #hould take check# at the #ame time; moreover3 in

order to en#ure unit #afe and normal runnin+ and extend the unit life3 the ,oiler #hutdo

8/10/2019 HRSG O&M

210/230

&!&9Shutdo

8/10/2019 HRSG O&M

211/230

&1! 'heck ,oiler all out#ide #urface3 pipe#3 electric and pneumatic line# and operation

panel#;

&1% epair and maintain a# relative check and maintenance in#truction mea#ure# re+ulated

or commended ,2 #upplier#;

&19 eplace in#pection door# #eal +a#ket# and clo#e the in#pection door#;

&1( After ,oiler final check fini#hed3 keep ,oiler on #pare #tate;

4 4 Proe22

!&1-#a+e of ca#in+ and in#pection door# and +a#ket# #eal;

!&1&1emove the door# to en#ure the2 are #afe;

!&1&'lean ,oth #ide# of old in#pection door# +a#ket#

8/10/2019 HRSG O&M

212/230

'heck

8/10/2019 HRSG O&M

213/230

"a,le !&1 !88mmC%88mm +a#ket#

Pre##ure

,ar+

Manhole# "2pe Hard

8/10/2019 HRSG O&M

214/230

!8%SS

8.8Mechanical

proce##in+ flat

Wrou+htmanhole#

cover#3 nut#3

,olt# andarticulation#

$raphite +a#ket#

8/10/2019 HRSG O&M

215/230

!&&All #eal connectin+ #hould ,e #ealed

8/10/2019 HRSG O&M

216/230

C*apter -6 HRSG #aintenane proe22

8/10/2019 HRSG O&M

217/230

-4 Genera" Intro$!tion

=n thi# chapter3

8/10/2019 HRSG O&M

218/230

!&% Annual maor in#pection

$enerall23 annual check#3 maintenance and unit #hutdo

8/10/2019 HRSG O&M

219/230

pre##ure

8/10/2019 HRSG O&M

220/230

8/10/2019 HRSG O&M

221/230

e*uipment# vi,rate;

An2 pro,lem# a,out in#trument# 6i&e&: indication# ,et

8/10/2019 HRSG O&M

222/230

&!&% @pen header pipe# i#olatin+ valve#;

&!&9 @pen po#itive pre##ure #ide inlet valve# #lo

8/10/2019 HRSG O&M

223/230

/&1&&( When clo#e manhole#3 u#e ne< +a#ket# and ,efore clo#e in#pection door# for

re#tartin+ ,oiler3 en#ure there i# no one and external e*uipment# in ,oiler;

-04 Pre,entati,e #aintenane o( (ra#e2 an$ 2!pport2

18&1 Dail2 maintenance

Durin+ HS$ normal runnin+3 periodicall2 check the pipe# #u#pender# ,et

8/10/2019 HRSG O&M

224/230

reducin+ a+ent . 1?#hift

'hloride 1?#hift 1?#hift

Pho#phate or chemical

additive#

. 1?#hift

Silicon Periodical Periodical

"otal #alt content Periodical Periodical

@il and lu,ricatin+ a+ent# Periodical Periodical

@r+anic matter# Periodical Periodical

-14 S*e$!"e o( HRSG #aintenane an$ *e:2

'ontent# "ime

Shift Da2 Week Month

Half a2ear

ear @ther# emark#

$eneral runnin+ data [

Look ,ack ,oiler and

auxiliarie# runnin+record# [

Heat exchan+er# [ [

"ake h2draulic #et

8/10/2019 HRSG O&M

225/230

record#

Superheater#metallur+2 detection

! 2ear#

Pipe#

8/10/2019 HRSG O&M

226/230

'heck electric heater# [

'heck ,earin+# 9888h

LP FDW1 [ [ [ [ [

Vi,ration record [ [

Lu,ricate ,earin+ [



LP FDW [ [ [ [ [


Lu,ricate ,earin+ [



LP FDW! [ [ [ [ [


Lu,ricate ,earin+ [



ecirculation pump ofP)H 1

[ [ [ [ [


Lu,ricate ,earin+ [



ecirculation pump ofP)H

[ [ [ [ [

8/10/2019 HRSG O&M

227/230


Lu,ricate ,earin+ [



@pen?clo#e valve# [ [ [

'heck leaka+e: linin+3flan+e3 +a#ket#3ti+htne##

[

e#eal packin+ ,oxe# [

Lu,ricate valve# handle [

unnin+ valve#3 full#troke

[

'heck ti+htne## [

e+ulatin+ valve#

'heck leaka+e: linin+3flan+e3 +a#ket#3ti+htne##

[

e#eal packin+ ,oxe# [

Lu,ricate valve# handle [

Full #troke runnin+valve#3 check po#itioncorrect

[

'heck re+ulatin+ valve#carefull23 then take

di#a##em,le

[

Actuator [ [

Lu,ricatin+ [

'heck po#ition #

8/10/2019 HRSG O&M

228/230

runnin+

'heck fire.re#i#tance [

Full #troke runnin+actuator

[

e.lu,ricate6open?clo#e valve#7

(.

2ear#

e.lu,ricate6open?clo#e valve#7

.!

2ear#

'ontinuou# ,lo

8/10/2019 HRSG O&M

229/230

Filter# [

'lean all filter #ieve [

=ntermittent andcontinuou# ,lo

8/10/2019 HRSG O&M

230/230

Heat pre#ervation [

Vi#ual determination [

"ran#mitter# [ [

'heck #urve2 accurac2 [

Drain pre##ure pipe#and refeed

hrsg o&m

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