General Slides HRSG

8/19/2019 General Slides HRSG

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Bharat Heavy Electricals Limited

Tiruchy 141

BHEL

FBC & HRSG

ELECTRICAL, CONTROLS

&

INSTRUMENTATION



2Bharat Heavy Electricals Limited

Tiruchy 14

WELCOME




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HRSG Under Erection




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HRSG Installation

at Tata Electric Co, Troma! "# $4%2 GT&



'Bharat Heavy Electricals Limited

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Comined C!cle (lant

G

To C)imne!

Com*ressor Gas t+rine

G

condenser

eed *+m*

HRSG

Steam t+rine



-Bharat Heavy Electricals Limited

Tiruchy 14

CO.GE/ER0TIO/ (L0/T

HRSG

UEL

0IR

COM(RESSOR TURI/E

GE/ER0TOR

UEL"I red&

STE0M OR (ROCESS

EH0UST





Dual Pressure HRSG



Triple Pressure HRSG



Supplementary Fired HRSG




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0IR 5 LUE G0S LOW

6I0GR0M

S H

I I I

D U

C T B URN

E R

E VAP

S H

I I

DE S H

S H

I

E VAP

E C O

FD FANFD FAN

M UH




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%




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inis)ed com*onents at o+r 7or8s

CompletedBox assy.

HRSG

Drum



Bharat Heavy Electricals LimitedTiruchy 14

14

PROCESS MEASUREMENT

9 (RESSURE

9 TEMPERATURE9 LOW

9 LEVEL

9 (OSITIO/



1'Bharat Heavy Electricals Limited

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IM(ORT0/T ME0SUREME/TS

I/ 0IR 0/6 LUE G0S (0TH

Gas Tem*erat+re at HRSG Inlet%

Gas Tem*erat+re ater 6+ct +rner

Gas Tem*erat+re eore C)imne!



1-Bharat Heavy Electricals Limited

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G0S TEM(% ME0SUREME/T

"HRSG I/LET&Arranement !" temperature tappin "r!m t!p # D!u$le %idt&'



1:Bharat Heavy Electricals Limited

Tiruchy 14

6RUM

eed Water Main Steam

SH3 SH2SCREE/

E#0

6ESH

SH1 E#0(OR0TOR ECO/OMISER

STEAM AND WATER FLOW DIAGRAM



1;Bharat Heavy Electricals Limited

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1$Bharat Heavy Electricals Limited

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2<Bharat Heavy Electricals Limited

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OILER I/TERLOC= LOGIC




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Tri* transer initiated

Start FD "an

Fuel "l!% (!ntr!l

)al)e *ept in stay put(!nditi!n

Monitor 6( et7een

6 an o+tlet andHRSG inlet d+ct

1

0UTO TRI( TR0/SER LOGIC




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DP +

,-MM.C

%it&in

/-se(

Open FD "an O0L

damper !n(e

FD "an rea(&es 1-2 !" "ull l!ad

Close di>ertor

dam*er to7ards

HRSG

?

2

/

1

2




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T!tal trans"er

time 3 4,se(

Tri* transer com*leted

O*en 6 an I@L dam*er

Tri* transer

ailed

2

/

?

2




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SOOT LOWER CO/TROLS

STEAM SOOT 5LO.ERS ARE

APPL6CA5LE FOR HRSGs7 US6NGD6RT8 FUELS SUCH AS FURNACE

O6L OR LSHS 6N THE

SUPPLEMENTAR8 F6R6NG S8STEM9




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SOOT LOWER CO/TROLS

. CO/T6%

S!!t 5l!%ers Are Se:uentially Operated9

T! Fa(ilitate T&is; Mi(r!pr!(ess!r 5ased

PLC Panel 6s Pr!)ided9




2-

6NSTRUMENTAT6ON

USED9 PRESSURE GAUGES;TEMPERATURE

GAUGES

9 PRESSURE ;FLO.;TEMP;LEVELTRANSM6TTERS

9 T0C;RTDs

9SO/;NO<;HC;SPM; pH;COND;S6L6CA9 POS6T6ON TRANSM6TTERS;60PCONVERTERS




2:

FUNCT6ONAL 5LOC=S




2;

M6DDLE VALUE

SELECT6ON

ASSUMED THAT ATLEAST /

TRANSM6TTERS .6LL 5E O9=




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AVERAG6NG

6E#I0TIO/ 0L0RM IS

/ECESS0R?

SWITCHI/G O#ER TO HE0LTH?

I/STRUME/TS /ECESS0R?




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COMPENSAT6ON

(RESSURE COM(E/S0TIO/ OR

6RUM LE#EL(RESSURE 5TEM( COM(E/S0TIO/

OR STE0M LOW

TEM( COM(E/S0TIO/ OR EE6W0TER LOW




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M0AOR 0/0LOG CO/TROLS

0& 6r+m Le>el Control "3 Element&

& Steam Tem*erat+re Control

C& S+**lementar! irinB Control

D' C5D Tan* Le)el C!ntr!l




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ANALOG CONTROL MODE

AUTO

MANUAL




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AUTO MODE OF CONTROL

(RO(ORTIO/0L ,I/TEGR0L

56ERI#0TI#E




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DRUM LEVEL

HIGH TRI(.1:'MM

HIGH 0L0RM .1<< MM /WL

LOW 0L0RM C2-< MM

LOW TRI( . 4<- MM

DRUM LEVEL CONTROLDRUM LEVEL CONTROL




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1<<DEE6 CO/TROL #0L#E

3<D

EE6 CO/TROL #0L#E

CO/TROL

" &6RUM

CO/TROLLER CO/TROLLER

M0I/ STE0M

LOW

EE6 W0TER

LOWLE#EL

S%(

DRUM LEVEL CONTROL DRUM LEVEL CONTROL




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DRUM LEVEL CONTROLDRUM LEVEL CONTROL

#4 ELEMENT'#4 ELEMENT'

1 6r+m Le>el Is Com*ared 0Bainst Set (oint

In irst Controller

2 T)is 6r+m Le>el 6e>iation SiBnal Is 0ddedTo Main Steam lo7 SiBnal 0nd orms T)e

Set (oint or Second Controller W)ic)

Controls T)e eed Control #al>e%

3 eed Water lo7 SiBnal Is T)e eedac8%

STEAM TEMPERATURE CONTROLSTEAM TEMPERATURE CONTROL




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CO/TROLLER SET(OI/

T

EE6 W0TER

6ESU(ER HE0TER SH.I

M0I/ STE0M

TURI/E

STEAM TEMPERATURE CONTROLSTEAM TEMPERATURE CONTROL

TE

S(R0? CO/TROL

#0L#E




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STE0M TEM(ER0TURE CO/TROL

Main Steam Tem*erat+re Is Com*ared

0Bainst Set (oint In T)e Controller%

6es+*er)eatinB S*ra! Control #al>e Is(ositioned 0s (er T)e 6e>iation et7een

Set (oint 0nd T)e (re>ailinB Tem*erat+re

#al+e%

CBD TANK LEVELCBD TANK LEVEL




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controller LE#EL

C6

T0/=

SET (OI/T

CBD TANK LEVELCBD TANK LEVEL

rom dr+m




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C6 T0/= LE#EL CO/TROL

T)e C6 Tan8 Le>el Is Com*ared

0Bainst Set (oint In Controller%

6rain Control #al>e Is (ositioned 0s (erT)e 6e>iation et7een Set (oint 0nd

(re>ailinB Le>el%




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SU((LEME/T0R? IRI/G CO/TROL

Main Steam (ress+re Is Com*ared 0Bainst Set

(oint In Master Controller To Generate +el

6emand%

Steam lo7 SiBnal Is Gi>en 0s 0ntici*ator!

SiBnal% T)at Is, 0dded To +el 6emand%

T&e Fuel Demand 6s R!uted T! Fuel Oil0as

C!ntr!llers F!r P!siti!nin T&e Fuel C!ntr!l

Val)es9 Fuel Oil Gas Fl!% 6s T&e Feed 5a(* 9




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ANAL8SERS

9 SO2

9 /O

9 HC9 S(M

9 (H

9 CO/6UCTI#IT?

9 SILIC0




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SO/;NO<;HC

SO2 /O HC




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SO/; NO<

9 MEASUR6NG 58 >

ND6R A5SORPT6ON99 .AVE LENGTH>

/9, TO 1 M6CROMETER




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HC

ME0SURI/G TECH/IFUES.I6

COMPONENTS OF SO/ NO




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COMPONENTS OF SO/;NO<

? HC ANAL8SER

9 0/0L?SER MO6ULES

9 (/EUM0TIC MO6ULES

9 ELECTRO/ICS MO6ULES

9 I@O MO6ULES

9 (OWER SU((L? MO6ULES

9 6IS(L0?5CO/TROL MO6ULE

9 S?STEM US

FUNCTONS OF




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FUNCTONS OF

ELECTRON6CS MODULE

9(ROCESSI/G 5COMMU/IC0TI/G (#S

9COM(E/S0TI/G ME0SURE6 #0LUES

9C0LIR0TIO/96I(L0? 5 CO/TROL U/CTIO/S

9CO/TROL 0SSOCI0TE6 S?STEM

9COMMU/IC0TI/G WITH ETER/0L

S?STEMS

COMPONENTS OF SAMPL6NG




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S8STEM@SO/;NO< ? HC@ 0/

9 (ROE

9 ILTERS

9 HE0TE6 S0M(LE TR0/S(ORT TUE9 SC0#E/GI/G (0/EL

9 (UM(S

9 S0M(LE COOLERS9 CO/6E/S0TE MO/ITOR




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S8STEM SO/;NO< ? HC@ /0/

9 LOW I/6IC0TOR

9 (RESSURE REGUL0TOR

9 C0LIR0TIO/ C?LI/6ERS

9 0/0L?SERS

9 (LC



'<Bharat Heavy Electricals Limited

Tiruchy 14

NOTES

9 HE0T TR0CE TO =EE( THE G0SS0M(LE 0O#E 0CI6 6EW

(OI/T"1'< 6eB C&

9 COOLER TO ELIMI/0TEMOISTURE ? RI/GI/G TEM( TO

2 TO 4 6eB C%



'1Bharat Heavy Electricals Limited

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DUST ? OPAC6T8 MON6TOR

EER L0MERTS L0W

Transmittance Intensit! o liB)t in medi+m

Intensit! o liB)t o+t o medi+m

e.atten+ation coeicient concentration o *oll+tant distance o medi+m




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GENERAL 6NSTALLAT6ON

Relector LiB)t So+rce Io

6etector

S * l i t t e r




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S.AS

9PH

9CONDUCT6V6T8

9S6L6CA




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SHS FOR PH ?

CONDUCT6V6T8

9 S0M(LE COOLERS

9 (RESSURE RE6UCER

9 LOW I/6IC0TORS

9 C0T IO/ COLUM/S

NOTES 04



''Bharat Heavy Electricals Limited

Tiruchy 14

NOTES@ 04

9 (H.TO =/OW 0CI6IT?@0L=0LI/IT?

5 TRE0T W0TER

9 CO/6UCTI#IT?.TO =/OW IM(URIT?,

EECTI#E CHEC=O/ T6S5

EERCISE 6

9 C0TIO/ CO/6UCTI#IT?.MORE

0CCUR0TE REL0TIO/SHI( ETWEE/

LE#EL O CO/T0MI/0/TS #sTRE0TME/T CHEMIC0LS



'-Bharat Heavy Electricals Limited

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NOTES@ /04

9 I/ OTHER WOR6S /ORM0L

CO/6UCTI#IT? IS GE/ER0L

(UR(OSE ME0SURE O 6ETECTI/G

CO/T0MI/0TIO/,HE/CE C0/ /OT6ISTI/GUISH ETWEE/ EECTS O

RE0L CO/T0MI/0/TS 5 0/6

M0S=I/G EECTS O TRE0TME/TCHEMIC0LS%



':Bharat Heavy Electricals Limited

Tiruchy 14

NOTES@ 404

9 C0TIO/.TO =/OW THE TOT0L

IO/ISE6 I/ORG0/IC IM(URITIES

6ISSOL#E6 I/ W5S9 IT E/0LES THE ME0SUREME/T O

(0RTICUL0R IO/S WHICH WOUL6

/ORM0LL? E M0S=E6 ? THE(RESE/CE O OTHER IO/S%



';Bharat Heavy Electricals Limited

Tiruchy 14

S6L6CA ANAL8SERS

9 TO =/OW THE SILC0 6E(OSITS O/

TUES,TURI/E L06ES%

S6L6CA ANAL8SERS



'$Bharat Heavy Electricals Limited

Tiruchy 14

S6L6CA ANAL8SERS

9 SOLULE SILIC0 0MMO/IUM

MOL?60TEGI#ES S6L6COMOL85DATE#8ell!%&

9 066 0Bents

9 GI#ES MOLI6I/0M "STRONG

5LUE&

9 (0SS THROUGH (HOTOMETER

9 ME0SURE O(TIC0L 6E/SIT? ? IR

LIGHT0T ;2< nm



-<Bharat Heavy Electricals Limited

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SHS FOR S6L6CA@0/

9 ReaBent ottles or J Sulp&uri( a(id

JAmm!nium M!li$date

J O<ali( A(id

J Fe 66 redu(in aent

9 ' c)annel (eristaltic (+m*



-1Bharat Heavy Electricals Limited

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SHS FOR S6L6CA@/0/

9 6ela! Coils

J ' min

J 3< SecJ -< sec

9 ()otometer




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S6L6CA

9 Sam*le lo7K1;< ml@)r

9 Eac) reaBents lo7K$ ml@)r

9 S+l*)+ric acid sam*le to *ass

t)ro+B) ' min dela! coil%

9 T)is sol+tion to e treated 7it) oalic

acid to red+ce intererence o

*)os*ates 5 increase l+e%




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Sili(a

9 0dd erro+s .ii red+cinB aBent and *ass

t)ro+B) -< sec dela! coil%

9 inall! to *)otometer%

AREAS THAT NEED




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AREAS THAT NEED

ATTENT6ON9

9 06EFU0TE COOLI/G W0TER

9 06EFU0TE S0M(LE LOW

9 BUAL6T8 OF COOL6NG .ATER 9 /O LE0=0GE O S0M(LE, COOLI/G

W0TER 5 REREGIR0/T G0S

9 /O CHOC=I/G O ILTERS9 (ERIO6IC0L M0I/TE/0/CE



-'Bharat Heavy Electricals Limited

Tiruchy 14

TR6CH8 SCOPE

ELECTRIC0L

I/STRUME/T0TIO/




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ELECTR6CAL@SCOPE 0

9 PO.ER CA5LES

9 CO/TROL C0LES

9 HRSG MCC

9 C0LE TR0?S.L066ER T?(E

9 MOTOR OPERATED VALVES



-:Bharat Heavy Electricals Limited

Tiruchy 14

6NTELL6GENT ACTUATORS

Infra-redinterface

processor

Hall effectsensor

Positionprocessor

Gatearray

Torque

processor

PositionPosition

TorqueTorque

Set torqueSet torque

limitslimits

Set positionSet position

limitslimitsPositionPosition

limitslimits

TorqueTorque

limitslimits

FluxFluxCurrentCurrent




Tiruchy 14 -;

6NSTRUMENTAT6ON@SCOPE

0/9 (RESSURE G0UGES

9 TEMPERATURE GAUGES

9 THERMOCOU(LES

9 RTDs

9 (RESSURE 5 6IERE/TI0L

PRESSURE TRANSM6TTERS

9 TEM(ER0TURE TR0/SMITTERS




Tiruchy 14 -$

6NSTRUMENTAT6ON@SCOPE

/0/9 I/STRUME/T C0LES

9 (H, CO/6UCTI#IT?5 SILIC0

0/0L?SERS9 SO2,/O 5HC 0/0L?SERS

9 SMO=E 6E/SIT? 0/0L?SERS



:<Bharat Heavy Electricals Limited

Tiruchy 14

SAL6ENT FEATURES@0

9 (OWER5 CO/TROL5 I/ST C0LES.ETRU6E6 (#C T?(E 1RLS

OUTER SHE0TH,0RMOURE6




Tiruchy 14 :1

SAL6ENT FEATURES@/0

9 0LL C0LES CO/IRMI/G TO

O?GE/ I/6E. MI/ 2$D

TEM(ER0TURE I/6E 2'< 6EG C SMO=E DENS6T8@ -2

0CI6 G0S GE/ER0TIO/. M0 2<D

L0MILIT?.MI/ 3<< MM@L0ME SHOUL6 /OT RE0CH TO( O TR0?




Tiruchy 14 :2

SAL6ENT FEATURES@40

9 4 ELEMENT DRUM LEVEL

CONTROL9 G0S TEM( ME0SUREME/TS ROM

TO( O 6UCT 0T CRITIC0L

(OSITIO/S



:3Bharat Heavy Electricals Limited

Tiruchy 14

SAL6ENT FEATURES@0

9 TR0/SMITTERS.SM0RT

9 LT MOTORS50CTU0TORS.SF%C0GEI/6UCTIO/

9 0CTU0TORS.I/TEGR0L ST0RTERS

9 MCC.6R0W OUT,6OULE RO/T



:4Bharat Heavy Electricals Limited

Tiruchy 14

SAL6ENT FEATURES@,0

9 (Gs WITH @. <%'D 0CCUR0C?

9 (Gs WITH 13<DO(R

9 (Gs WITH 6R0W/ T?(E OUR6O/OR (RES LESS TH0/ :< =G@SCM

9 (Gs WITH ORE6 T?(E OUR6O/

OR (RES MORE TH0/ :<



:'Bharat Heavy Electricals Limited

Tiruchy 14

SAL6ENT FEATURES@0

9 IMMERSIO/ LE/GTH.2;<@32< MM

9 MI/IMUM L0/GE R0TI/G .3<<

9 THERMOWELLS OR ((.SS 31-

9 THERMOCOU(LES OR MET0L

TEM(ER0TURE ME0SUREME/T

9 RT6S.3 WIRE,(t.1<<

9 THERMOWELLS.L0/GE6




Tiruchy 14 :-

SAL6ENT FEATURES@0

9 (ROTECTI/G TUES OR /((.SS 44-

9 THERMOCOU(LES. = T?(E ,GROU/6E6

SELECT6ON THERMOCOUPLES




Tiruchy 14 ::

SELECT6ON THERMOCOUPLES

58 TEMP

IRO/@CO/S"A&

CR@0L"=&

(L 1<DRH@(L"S&(L 13DRH@(L"R&

(L 3<DRH@(L - D

RH"R&E

-<< 6eB C

12<< 6eB C

1-<< 6eB C1-<< 6eB C

1:'< 6eB C

SELECT6ON OF SHEATH



:;Bharat Heavy Electricals Limited

Tiruchy 14

MATER6AL FOR TEMP SENSORS

METAL MAF RECO MELT6NG

SS31- ;$$ 13:1

SS3<4 ;$$ 142:

SS44- 1<$3 13$$

SS31< 1<$3 13$$

I/CO/EL 114$ 142:

I/CO/EL:<2 131- 141<



Documents

General Slides HRSG