Boiler Final (2)
-
Upload
sreekanthmylavarapu -
Category
Documents
-
view
215 -
download
0
description
Transcript of Boiler Final (2)
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 1/46
WELCOME TOWELCOME TO
CGPL MUNDRA ,UMPPCGPL MUNDRA ,UMPP
PresentationPresentationOnOn
5 X 800 MW5 X 800 MWSUPERCRITICAL BOILER SUPERCRITICAL BOILER
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 2/46
ntroduction
ntroduction
“BOILER” MEANS ANY CLOSED VESSEL EXCEEDING 22.75 litres INCAPACITY !IC! IS "SED #OR GENERATING STEAM "NDER
PRESS"RE.
Industrial Boiler Industrial Boiler
Utility boilersUtility boilers
Utility Boilers may further Classified into two categoryUtility Boilers may further Classified into two category
Sub criticalSub critical
Super critical :- Above 22!2 bar " #$%!&Super critical :- Above 22!2 bar " #$%!&''CC
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 3/46
Difference between sub critical & supercritical
ifference between sub critical & supercritical
Sub(Critical Boiler Sub(Critical Boiler
#)
%
!
*
&
$
+ e m p e r a t u r e , ' C
-
.ntropy /0 1 /g /
&*2 ')C
&#)C
+.34
ENTROPY
7 0 1 K
g / c m 2
S u p
er c r i t i c al
5
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 4/46
S$% &riti&'lS$% &riti&'l
+his consist drums for+his consist drums for
separation of steam " water separation of steam " water
6ertical 7ater 7all!6ertical 7ater 7all!
8atural circulation or forced8atural circulation or forced
circulationcirculation
9ied pressure mode9ied pressure mode
S$(er Criti&'lS$(er Criti&'l
8o ;rum! Separators are here8o ;rum! Separators are here
for separation of steam " water!for separation of steam " water!
Spiral 7ater wall!Spiral 7ater wall!
Assisted circulation! <nce Assisted circulation! <nce
through!through!
Sliding pressure operationSliding pressure operation
SUPE RCR T CALTHERM AL CCLE AD!A"TA#ES
UPERCR T CALTHERM AL CCLE AD!A"TA#ES
Improvements in plant efficiency !Improvements in plant efficiency !
;ecrease in Coal Consumption;ecrease in Coal Consumption
=eduction in >reen ?ouse gases!=eduction in >reen ?ouse gases!
<verall reduction in Auiliary 4ower consumption!<verall reduction in Auiliary 4ower consumption!
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 5/46
$%%% M& UMPP MU"DRA 'oiler() $%%% M& UMPP MU"DRA 'oiler()
It is single reheat@ tangential fired@ balance draft@ once through coal firedIt is single reheat@ tangential fired@ balance draft@ once through coal fired
Boiler having a generation capacity of $' /g1Sec!Boiler having a generation capacity of $' /g1Sec!
'*ILER'*ILER SPECI+ICATI*"SPECI+ICATI*"
DescriptionDescription unitunit
S)! STEAM #LOS)! STEAM #LO T)!RT)!R 25252525
S! STEAM PRS! STEAM PR *G)CM*G)CM22 25+25+
S! STEAM TEMPS! STEAM TEMP ,,CC 5+-5+-
R! STEAM #LOR! STEAM #LO T)!RT)!R 7/27/2
R! STEAM TEMP O"TLETR! STEAM TEMP O"TLET ,,CC 5-05-0
#EED ATER TEMP#EED ATER TEMP
,,
CC 2-52-5
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 6/46
'oiler Accessories 'oiler Accessories
4rimary Air 9an ,2 &' :- supplies primary air to 4ulverier 4rimary Air 9an ,2 &' :- supplies primary air to 4ulverier
9orced ;raft 9an ,2 &' :- supplies air for combustion9orced ;raft 9an ,2 &' :- supplies air for combustion
Induced ;raft 9an ,2 &' :- .tract flue gas from the system!Induced ;raft 9an ,2 &' :- .tract flue gas from the system!
Seal Air 9an , 2 '' :- provide sealing to coal mill!Seal Air 9an , 2 '' :- provide sealing to coal mill!
Scanner " cooling air 9an ,2 '' :- for cooling of pep holesScanner " cooling air 9an ,2 '' :- for cooling of pep holes
Burners ,* for coal@ for D;<1?9< common " 2 for ?9< at * elevationsBurners ,* for coal@ for D;<1?9< common " 2 for ?9< at * elevations
Boiler recirculation 4ump , for startup purposeBoiler recirculation 4ump , for startup purpose
9lash tanE :- one for collection of drains9lash tanE :- one for collection of drains
Soot blowers , #2 F' for eco " &2 for furnace-Soot blowers , #2 F' for eco " &2 for furnace-
Silencers:- to damper noise pollutionsSilencers:- to damper noise pollutions
Safety valves:- to protect overpressurising of system!Safety valves:- to protect overpressurising of system!
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 7/46
Bo i l e r L e f t B o
i l e r F
r o n t
Bo i l e r R i g ht
B o i l e
r R e a r
Boiler #-; ;iagram and Boiler 8omenclature
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 8/46
SE
P
E
R
AT
O
R
ATER ALL
O)L !EADER
INTERMEDIATE!EADER
BOTTOM RING
!EADER
I)L !EADER
ECONOMISER
O)L !EADER
ECONOMI1ER I)L !EADER
EXTENDED ATER ALL
O)L !EADER
BAC*PASS "PPER
LE#T
SIDE !EADER
BAC*PASS LOER
RIG!T SIDE !EADER
EXTENDED
ATERALL
ROO# I)L
!EADER
ROO# O)L
!EADER
LTS! O)L
!EADER
BAC*PASS LOER
REAR !EADER
LTS! I)L !EADER3
BAC*PASSLOER
#RONT !EADER
S"PER!EATER
DES"PER!EATER
SPRAYSTAGE 3
#INAL
S"PER!EATERI)L !EADER
DIVISIONAL
O)L !EADER
DIVISIONAL
I.)L !EADER
#INAL
S"PER!EATER
O)L !EADERMAIN STEAM3
S"PER!EATER
DES"PER!EATER
SPRAYSTAGE 23
BOILER ATER #LO BLOC* DIAGRAM
#ROM B#P DISC!ARGE
A#TER !P!
MAIN STEAM O)L
ClicE 8ame to see 4hotograph of that particular Item
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 9/46
Intermediate
Header
54.42mtr
Economiser
I/L Header
49.62 mtr
Economiser Coils
Backpass
Lower ront
Header
L!"H I/L Header
#Backpass Lower $ear
Header%
Economiser &/L Header
"H I/L"H &/L
'aterwall
&/L
Header
L!"H &/L Header
$oo( &/L Header
$H I/L
$H &/L$oo( I/L
Header
irst )ass Lower Header
#Bottom $in* Header%
+., mtr
Backpass
Lower "ide
Header
Front Pass
Middle Pass
Back Pass
H Header
Economiser Inter -ediate Header
C Header
4osition of all headers in boiler
;ivisional S? I1D and <1D hedaer are not shown here
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 10/46
MAIN STEAM
FromBFPDischarge Boiler
Recirculation Pump
Boiler FeedPumpDischargeHeader
Economiser I/Header!"#$%mtr
Economiser &oils
TSH I/ Header
Bac'passo(er FrontHeader
IntermediateHeader)!#!%mtr
(Backpass Lower RearHeader)
Economiser */ Header
First Pass o(er Header +#, mtr
Di-isional SH I/
Di-isional SH*/ FSH I/
FSH */
Roo.I/Header+#0")mtr
1ater(all*/Header
Seperator 2Nos3!4
SeperatorStorage Tan' 2Nos304
DSH #1
DSH #2
Spiral Tu5es 2%6% 7%4 8!$!
9ertical tu5es2!$! 7 64826!+ 7 !4 806"%
TSH */ Header
Roo. */ Header
Bac'pass Roo.
Bac'pass e.t: RightSide1all
E;tended (ater(all
First and MiddlePass Roo.
Reheater
Boiler
Flow
Diagram
FASH TAN<
1R0$mtr
=R0$mtr
+6#6! mtr
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 11/46
MAIN STEAM
Di-isional SH I/
DSH #1
DSH #2
0# F>RNA&E 1A RISER PIPE 9ENT INE SEPERAT*R
%# F>RNA&E 1A RISER PIPE 9ENT INE SEPERAT*R
6# F>RNA&E 1A RISER PIPE 9ENT INE SEPERAT*R
!# F>RNA&E 1A RISER PIPE 9ENT INE SEPERAT*R
)# &*NNE&T*N PIPE 9ENT INE FR*M SEPERAT*R A?
,# S>PERHEATER DES>PERHEATER *>TET IN< 9EN
+# REHEATER INTERMEDIATE HEADER 9ENT INE
00# F>RNA&E R**F *>TET IN< 9ENT INE
"# S>PERHEATER FINISH INET IN< 9ENT NE
0# E&*N*MISER *>TET HEADER 9ENT INE
0
B B B B
%
& & & &
6
D D D D
!
A A A A
)
A B & D
$ ", + 0 00
0%# MAIN STEAM 9ENT INE Nos 3 %
06# EE&TR*M*TI9E REIEF INE 9ENT Nos 3 %2RI@HT
$# REHEATER *>TET HEADER 9ENT
0!# MAIN STEAM SAFET 9A9E Nos 3 %2RI@HT : EFT4
0)# MAIN STEAM SAFET 9A9E Nos 3 %2RI@HT : EFT4
0$# SEPERAT*R &*NNE&TI*N IN< SAFET 9A9E Nos
0!0)
0$
06 0%
VENT HEADER
0,
0,# FASH TAN< STEAM 9ENT INE
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 12/46
MAIN STEAMDi-isional SH I/
DSH #1
DSH #2
Reheater
FASH TAN<
0 % 6 ! ) $ ,
%#F>RNA&E FIRST PASS *1ER REAR AND FR*NT HEADER DRAIN
6#INTERMEDIATE HEADER DRAIN
!#F>RNA&E R**F INET HEADER DRAIN
)#BA&< PASS *1ER SIDE HEADER DRAIN
$#BA&<PASS *1ER REAR HEADER DRAIN
0#E&*N*MISER INET HEADER DRAIN
,#S>PERHEATER FINISH INET HEADER DRAIN
DRAIN HEADER
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 13/46
THA", *UHA", *U
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 14/46
$
!0))I1 &$
-II1 )IECEI B$) "3C!I&
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 15/46
B&ILE$ ILL )3-)DI"CH0$1E !& EC& I/L
&$ B&ILE$ ILLI1
!0))I1 &$
"/H ")$0
B$) DI"CH0$1E
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 16/46
EC& I/L HE0DE$
D$0I LIE
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 17/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 18/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 19/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 20/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 21/46
E$!IC0L !3BE"
")I$0L !3BE"
")I$0L !3BE !&
E$!IC0L !3BE
B3C7 "!0
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 22/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 23/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 24/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 25/46
$&- "E)E$0!&$
&/L
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 26/46
B0C7)0""
"IDE '0LL#LE!%
E!EDED '0!E$ '0LL
"IDE '0LL#LE!%
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 27/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 28/46
B0C7)0"" L&'E$ $I1H!
HE0DE$ D$0I
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 29/46
B0C7)0"" L&'E$ LE!
HE0DE$ D$0I
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 30/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 31/46
E!EDED '0!E$ '0LL
&/L HE0DE$ !&
B0C7)""
L&'E$ $&! HE0DE$
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 32/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 33/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 34/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 35/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 36/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 37/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 38/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 39/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 40/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 41/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 42/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 43/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 44/46
-0I "!0E- &/L
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 45/46
7/21/2019 Boiler Final (2)
http://slidepdf.com/reader/full/boiler-final-2 46/46