REPORT ON INDUSTRIAL TRANING Prepared By
Kumar Gautam
(11M168)
DEPARTMENT OF MECHANICA ENGINEERING NAT NATIONA IN!TIT"TE OF TECHNOOG# TECHNOOG# KARNAT KARNATAKA !"RATHKA$ MANGAORE%&'&()&
CONTENTS 1*A+,-./0edeme-t2* *I-tr.du+t3.- .4 NTPC pr.5e+t* *!a03e-t Data A-d De23- !pe+343+at3.- O4 NTPC BARH 7*.r,3- pr3-+3p0e .4 t9e t9erma0 p./er p0a-t* &*B.30er a-d Au:303ary* •
B.30erdrum;3-ter-a0******************************************************
•
!uper9eater +3r+u3t********************************************************** +3r+u3t**********************************************************
•
Re%9eater +3r+u3t*********************************** +3r+u3t***************************************************** *************************** *********
•
E+.-.m32er**********************************************************************
•
Fur-a+e****************************************************************************
•
PA 4a-2***************************************** 4a-2***************************************************************************** ************************************
•
FD 4a-2*********************************** 4a-2***************************************************************************** ******************************************
•
ID 4a-2************************************ 4a-2****************************************************************************** ******************************************
•
A3r Heater************************************ Heater************************************************************************* *************************************
•
Pu0
6*Tur=3-e* '*Ge-era0 De2+r3pt3.- .4 T9e A 1m/ (K") !team Tur=3-e* 8*Ree-erat3
*C.a0 ; +.a0 9a-d03- 2y2tem* 1*C.-+0u23.-*
ACKNOWLEDGEMENT
I /.u0d 03,e t. e:pre22 my 23-+ere rat3tude t. t9e ma-aeme-t .4 t9e BARH THERMA POER !TATION 4.r 9a<3- 3
I am rate4u0 t. Mr* AN"RAG !INGH 4.r 932 ,3-d +..perat3.- a-d 9e0p3- me 3- a3-3- =etter pra+t3+a0 ,-./0ede a=.ut t9e /ay 9./ 2team pr.du+ed a-d u2ed t. e-erate p./er*
I /.u0d 03,e t. pay my 23-+ere rat3tude t. a00 t9e emp0.yee a-d 2ta44 mem=er2 .4 NTPC BARH 4.r t9e3r
F3-a00y$ I /.u0d 03,e t. t9a-, t9e !ta44 a-d Ma-aeme-t .4 NTPC$BARH 4.r 9e0p3- me 3- my 3-du2tr3a0 tra3-3- a-d t9e3r ,3-d +..perat3.- 4.r a3-3- =etter pra+t3+a0 ,-./0ede*
Bar9 !uper t9erma0 p./er pr.5e+t deta302 Capa+3ty M? @ 43r2t 2tae (6) a-d 2e+.-d 2tae (66) E2t3mated +.2t .4 t9e Pr.5e+t 167 +r* (appr.:*) a-d reu3red Ma3- p0a-t a-d t./-293p 168 a+re2$ a29 dy,e a-d .t9er 1>6 a+re2 Reu3reme-t .4 C.a0 1'*' metr3+ t.- per year !.ur+e .4 C.a0 32 Amrapa03 =0.+, -.rt9 ,ar-pura +.a043e0d a-d !.ur+e .4 ater 32 Ga-a R3
‘A’ TPS 3300MW SALIENT DATA: •
Capa+3ty
M(:6 ; :66)
•
Pr.5e+t +.2t
R2*167*+r.re2
•
!team e-erat.r (=.30er a-d au:*)
•
C.a0 +.-2umpt3.-
1'*' metr3+ t.-ea--um
•
C..03- /ater
18 +
•
Tra-2p.rtat3.- .4 t9e +.a0
M2*BHEINDIA$
R0y* !y2tem
DESIGN PARAMETERS: BOILER: REHEAT STEAM: •
F0./
1>T9r*
•
!team pre22ure
'*6 t. 6*1
•
!team temperature
1&
FEED WATER: •
Temperature at OC 3-0et
7C
•
Pre22ure at ECO 3-0et
18
•
Rate .4 40./ ECO 3-0et
6&&T9r*
•
F .r E rade =3tum3-.u2 +.a0 .4 C*?*
'&,+a0,
•
F3:ed +ar=.-
8 t. 1
•
?.0at30e matter
11 t. 1&
•
M.32ture
t. 7
•
HGI
&&
•
I-3t3a0 de4.rmat3.- temperature
1&C t. 11&C
•
Fu23.- temperature
•
Pu0
FUEL:
17C 6 -.2*
•
Pu0
8
TURBINE AND GENERATOR:
!TEAM T"RBINE rea+t3.-$ +.-de-23-$ re9eat3-$ +.mp.u-d$ t9ree +y03-der2 ree-erat3
9.r3.-ta0
•
Rate .utput
•
!peed
rpm
•
Pre22ure .4 t9e 2team at 3-0et t. E!?
1&
•
Temperature .4 t9e 2team at 3-0et t. E!?
&&C
•
C.-de-2er area
117>&
•
C3r+u0at3- /ater 40./
'
•
C.-de-2er
te-dem
1,
%*8>
Feed 9eat3- 2y2tem e:tra+t3.- 2team parameter2 TEMPERATURE (°C)
PRESSURE ( )
FLOW T/h!
LPH "
87*7dry
*1&
*&7&
LPH #
1*
*81'
>*7
LPH3
1>>*
*7&
8*7
HPH$
7*
16*1
*6
HPH%
6*6
6*&6
&'*7
GENERATOR: e-erat.r 7'M?A$ PF *8& (0a)$ t9erma0 <.0tae 1&*'&,?$ r.t.r 9ydr.e- +..03- a-d 2tat.r /ater +..0ed* •
!ea0 .30 pre22ure
7*8 t. &*8
•
Hydr.e- pre22ure
* t. *&
•
!tat.r /ater pre22ure
*& t. *8
•
!tat.r /ater +.-du+t3<3ty
1*J m9.+m
(9ydr.e- pur3ty >8*8)
WORKING PRINCIPLE OF THE THERMAL POWER PLANT
T9erma0 P./er P0a-t%T9e p0a-t 3- /93+9 +9em3+a0 e-ery 32 +.-
1% 32e-tr.p3+ +.mpre223.- 3- t9e pump % +.-2ta-t pre22ure 9eat add3t3.- 3- t9e =.30er %7 32e-tr.p3+ e:pa-23.- 3- tur=3-e 7%1 +.-2ta-t pre22ure 9eat re5e+t3.- 3- t9e +.-de-2er
T9e a+tua0
By u23- .4 re9eat
•
By u23- .4 ree-erate
•
By u23- =.t9 ree-erate a-d re9eat
REGENERATING RANKINE C&CLE
A pra+t3+a0 ree-erat3- pr.+e22 3- 2team p./er p0a-t 32 a++.mp0329ed =y e:tra+t3-$ .r =0eed3- 2team 4r.m t9e Tur=3-e at
Ree-erat3.- 32 -.t .-0y 3mpr.<3- +y+0e e443+3e-+y =ut a02. pr.<3de a +.-
I- re9eat3- +y+0e$ 3- =et/ee- t/. Tur=3-e2 /e re9eat t9e 2team a-d t9e- 2upp0y 4.r t9e -e:t Tur=3-e* T9ere are t/. ma5.r ad
BOILER: A =.30er$ a02. +a00ed 2team e-erat.r$ 32 de23-ed 2. t9at 9eat tra-24er ta,e2 p0a+e =et/ee =.30er tu=e =u-d0e2 (a02. +a00ed " =u-d0e2) a-d =.30er /ater 3- t9e =.303- area* I4 t9e " =u-d0e2 are -.t +.mp0ete0y 2u=mered$ t9e 9eat tra-24er area$ 9e-+e 9eat tra-24er rate$ 9e-+e 9eat 23-, +apa=303ty de+rea2e2* BOILER PARTS AND AU'ILIAR& DRUM AND DRUM INTERNAL: T9e 4u-+t3.-2 .4 t9e =.30er drum are*
A) !eparat3.- .4 t9e 2aturated 2team 4r.m t9e 2team%/ater m3:ture pr.du+ed =y e
T9e de-23ty .4 t9e /ater /3t9 re2pe+t t. t9e 2team*
•
T9e am.u-t .4 t9e /ater 3- t9e m3:ture de03
•
?32+.23ty$ 2ur4a+e te-23.- a-d .t9er 4a+t.r a44e+ted =y pre22ure
•
ater 0e
•
T9e +.-+e-trat3.- .4 =.30er /ater 2.03d2
•
T9e a
I- t932 p./er p0a-t T"RBO !EPARATOR! are u2e (>& 2eparat.r2)*
SUPER HEATER CIRCUIT: !uper 9eat3- .4 t9e 2team 32 d.-e 3- 17 2tae2* T9e2e 2tae2 9a<3- 4.00./3- purp.2e$ Heat3- .4 t9e 2team 3- 2tae .r 3-+rea2e .4 t9e temperature 3- -um=er .4 t9e •
2tae* •
I- t9e2e 2tae2$ /e a02. u2e 2pray 4.r +..03- t9e 2team*
REHEATER CIRCUIT: Re%9eater 32 u2e t. re%9eat t9e 2team 4.r t9e u2e .4 3-termed3ate pre22ure tur=3-e (at t9e 2ame pre22ure .4 t9e .ut0et .4 t9e HP tur=3-e)* I- t9e re%9eater 2team +.me2 4r.m HP tur=3-e t9r.u9 CRH ;R (+.0d re%9eat) a-d a4ter re%9eater 2team .e2 t. 3-termed3ate tur=3-e t9r.u9 HRH ;R (9.t re% 9eat)* ECONOMISER: E+.-.m32er2 are pr.<3ded 3- t9e =.30er2 t. 3mpr.
pr.<323.- .4 t9e e+.-.m32er 3- t9e =.30er =r3-2 t/. ma5.r ad
I* II* III*
O
FURNACE: Pr3-+3p0e at /93+9 4ur-a+e /.r, 32 t. +.-
Bur-er$.30 u-$a3r damper$29..t =0./er$/3-d =.:
ASH HANDLING S&STEM:
F.r ma3-ta3-3- dra4t 3- t9e 4ur-a+e /e mu2t 2ea0 3t* T9at 32 /9y /e -eed t. d3p =.tt.m .4 t9e =.30er 3-t. t9e /ater a-d eared C.-
PRIMAR& AIR FANS: T9e2e are t9e 0are 939 pre22ure 4a-2 /93+9 2upp0y t9e a3r -eeded t. dry a-d tra-2p.rt +.a0 e3t9er d3re+t0y 4r.m +.a0 m3002 t. t9e 4ur-a+e .r t. t9e 3-termed3ate =u-,er* T9e2e 4a-2 may =e 0.+ated =e4.re .r a4ter t9e m3002 eu3pme-t* T9e m.2t +.mm.- app03+at3.-2 are +.0d pr3mary a3r 4a-2 a-d pu0
FORCE DRAFT FANS: F.r+e dra4t 4a- 2upp0y a3r -e+e22ary 4.r 4ue0 +.m=u2t3.- a-d mu2t =e 23ed t. 9a-d0e t9e 2t.3+93.metr3+ a3r p0u2 t9e e:+e22 a3r -eeded 4.r t9e pr.per =ur-3- .4 2pe+343+ 4ue0 3- add3t3.-$ t9ey pr.<3ded a3r t. ma,e up 4.r a3r 9eater 0ea,ae a-d 4.r 2.me 2ea03- a3r reu3reme-t2* INDUCED DRAFT FANS : I-du+ed dra4t 4a- e
a3r 9eater2 re+.
A3r 9eater 3mpr.
Type .4 t9e a3r 9eater T9ere are t/. ma3- type .4 t9e a3r 9eater* a) Tu=u0ar a3r 9eater =) P0ate type a3r 9eater PULERISER PLANT: O4 t9e t9ree +.mmer+3a0 4ue02% +.a0$ petr.0eum$ -atura0 a2$ a-d +.a0 32 t9e =a23+ 4ue0 u2ed 3- t9e =.30er 4.r t9e p./er e-erat3.- due t. 3t2 d32tr3=ut3.- a-d a
1* * * 7* &*
Ra/ +.a0 4eed3- Dry3- Gr3-d3- a-d +3r+u0at3- C0a2234y3- Tra-2p.rt3-
RAW COAL FEEDERS: A ra/ +.a0 4eeder 32 a de<3+e t9at 2upp03e2 t9e pu0
ROTAR& OLUMETRIC FEEDER: 3- t932 type .4 4eeder$ a 2p3der /9ee0 32 ,eyed t. t9e +e-tre .4 a 4eed r.00 29a4t* T932 29a4t e:te-d2 t9r.u9 a +y03-dr3+a0 +.re$ /93+9 4.rm t9e =a2e .4 t9e 4eed r.00* T9e +.re 32 made 3- t/. 9a0
are =.0ted t. t9e .pp.23te 23de .4 t9e 4eeder =.dy$ a-d t9e 2p3der /9ee0 32 p0a+ed 3 =et/ee- t9e2e t/. 9a0
SPEED
1*B./0 m300 *Ba00 m300 *Impa+t .r 9ammer m300 7*Bearer /9ee0 m300 &*Drum m300 tu=e m300
&%1rpm =e0./ &rpm a=.
BOWL MILL:
B./0 m300 32 a
C.a0 4r.m t9e ra/ +.a0 4eeder 32 4ed at t9e +e-tre .4 t9e =./0 t9r.u9 a ra/ +.a0 3-0et +9ute 3-2erted at t9e +e-tre .4 t9e 2eparat.r =.dy t.p* Due t. +e-tr34ua0 4.r+e t9e +.a0 m.
t9e per4.rma-+e .4 t9e m300 p0a-t e2pe+3a00y t9e pu0
TURBINE: !team tur=3-e 32 a r.tat3- ma+93-e /93+9 +.-
9e- t9e 2team 32 a00./ed t. e:pa-d t9r.u9 a -arr./ .r343+e$ 3t2 a22ume2 ,3-et3+ e-ery at t9e e:pe-2e .4 3t2 e-t9a0py* T932 ,3-et3+ e-ery +9a-e2 t. me+9a-3+a0 e-ery t9r.u9 t9e 3mpa+t (3mpu02e) .r rea+t3.- .4 t9e 2team aa3-2t t9e =0ade2* It 29.u0d =e rea032ed t9at t9e =0ade .4 t9e tur=3-e .=ta3-2 -. m.t3.- 4.r+e 4r.m t9e 2tat3+ pre22ure .4 t9e 2team .r 4r.m a-y 3mpa+t .4 t9e 2team 5et* T9e =0ade2 are de23-ed 3- 2u+9 /ay$ t9at 2team /300 u3de .- .r .44 t9e =0ade /3t9.ut a-y te-de-+y t. 2tr3,e 3t*
TURBINE T&PE: Ba23+a00y t9ere are t/. =r.ad +0a22343+at3.-2 .4 t9e 2team tur=3-e2$
IMPULSE TURBINE: I- t9e 3mpu02e tur=3-e$ t9e 2team 32 e:pa-d3- 3- t9e 43:ed -.0e2* T9e 939
CLASSIFICATION OF THE STEAM TURBINE +0a22343+at3.- .4 t9e 2team tur=3-e 32 d.-e .- t9e =a23+2 .4 t9e 4.00./3-* •
A++.rd3- t. t9e d3re+t3.- .4 t9e 40./ 1*A:3a0 tur=3-e *Rad3a0 tur=3-e
•
A++.rd3- t. t9e pr3-+3p0e .4 a+t3.- .4 t9e 2team 1*Impu02e tur=3-e *Rea+t3.- tur=3-e*
•
A++.rd3- t. t9e 2team +.-d3t3.- at 3-0et t. tur=3-e 1*./ pre22ure tur=3-e *Med3um pre22ure tur=3-e *H39 pre22ure tur=3-e
GENERAL DESCRIPTION OF A #"0MW (KWU) STEAM TURBINE: A2 43ure 29./2 2e+t3.-a0 arra-eme-t2 .4 t9e 1M 2team tur=3-e .4 t9e BHEK" ma,e* 1M K" tur=3-e 32 a ta-dem +.mp.u-ded$ t9ree +y03-der2$ 23-0e re%9eater$ +.-de-23- tur=3-e pr.<3de e-t3re0y /3t9 rea+t3. =0ad3-* !uper 9eated 2team (17' $ &&C) e-ter2 t9e HP tur=3-e t9r.u9 t/. 3-3t3a0 2t.p * $ 7C) .e2 4.r re9eat3- a-d re9eated 2team (7 $ &&C) +.me2 t. t9e 3-termed3ate pre22ure tur=3-e t9r.u9 t9e t/. +.m=3-ed re9eat 2t.p a-d +.-tr.0 C)* E:tra+t3.- .4 t9e 2team 32 =0ed 4r.m 23: p.3-t2 (%P Heater$ %HP Heater$ 1%Deaerat.r)* T9e 3-d3<3dua0 tur=3-e r.t.r2 a-d e-erat.r r.t.r are +.--e+ted =y +.up03-*
K" Tur=3-e
REGENERATIE FEED HEATING S&STEM: T9e ree-erat3
I* II* III* I?* ?* ?I*
O-e Deaerat.r T9ree ./ Pre22ure Heater T/. H39 Pre22ure Heater O-e G0a-d !team C..0er O-e Dra3- C..0er T/. Ma3- E5e+t.r
DEAERATOR: T9e pre22ure .4 t9e +urta3- a2e2 03,e .:ye-$ +ar=.- d3.:3de$ -3tr.e-$ d322.0
Heat3- 3-+.m3- 4eed /ater
•
T. a+t a2 a re2er<.3r t. pr.<3de a 2udde- .r 3-2ta-t dema-d
LOW PRESSURE HEATER PH are .4 t9e 2ur4a+e type2* T9ey are de23-ed 4.r
T9e ma3- 43tt3-2 a-d a22em=03e2 .- t9e PH2 I* II* III* I?* ?* ?I* ?II* ?III* I*
ater =.: Tu=e -e:t !9e00 ater 0e
HIGH PRESSURE HEATER: !team e:tra+ted 4r.m Tur=3-e 32 u2ed t. 9eat t9e 4eed /ater .3- t. t9e B.30er* Feed /300 40./ t9r.u9 t9e "%tu=e 3- t/. pa22e2 /9erea2 2team 40./2 .- t9e 29e00 23de .4 t9e 9eater* HP 9eater +.-232t2 .4 t9ree .-e2 -ame0y de%2uper 9eat3- .-e$ +.-de-23- .-e a-d dra3- +..03- .-e* !team e:tra+ted 4.r 4r.m t9e Tur=3-e 43r2t 3-ter 3-t. de%2uper 9eat3- .-e$ /9ere 3t 0.22e2 t9e 2uper 9eat$ 0ate-t 9eat a-d +.-de-2ate* T932 +.-de-2ate /300 +.00e+ted 3- t9e =.tt.m .4 t9e 9eater a=.
C.-de-2ate 0.22e2 3t2 2e-23=0e 9eat 3- dra3- +..03- .-e* T.ta0 4eed /ater 43r2t e-ter2 dra3- +..03- .-e a-d t9e- +.-de-23- .-e a-d 43-a00y de%2uper 9eater .-e*
FITTINGL I* II* III* I?* ?*
Gaue 0a22 4.r 3-d3+at3- t9e dr3p 0e
COAL + COAL HANDLING PLANT: +.a0 32 a 9eter.e-e.u2 mater3a0 +.-232t3- .4 t9e ma+era02 a-d m3-era02*
RANKING OF THE COA I* II* III* I?*
A-t9ra+3te B3tum3-.u2 3-3te P3t
0e22 t9a- & (m.32ture +.-ta3-) 1 @ % @ 7
CLASSIFICATION OF THE COAL: GRADE
CALORIFIC ALUE (,-./,)
A
6 ; a=.
B
&6 @ 6
C
7>7 @ &6
D
7 @ 7>7
E
66 @ 7
F
7 @ 66
G
1 @ 7
CHARACTERISTICS OF THE COAL (12 45 #"0MW): •
A29
8
•
?.0at303ty
&*&
•
M.32ture
1
•
Ca0.r343+
7'&,+a0,
MAIN E*UIPMENTS OF THE COAL HANDLING PLANT: t9ere are 4.00./3- eu3pme-t
1*MGR% Mary . r.u-d 11*M.=30e +9utem.=30e 9ead *M.*MBF%m.=30e =e0t 4eeder 1>* Id0er a-d pu00ey 1*Pr3mary 2amp03- a-d 2e+.-dary 2amp03-
CONCLUSION O- t9e +.mp0et3- .4 my <.+at3.-a0 tra3-3- at T9erma0 P./er !tat3.BARH$ I 9a
ater a-d a3r are t9e m.2t pre+3.u2 3- t9e /.r0d 2. /e 9a
t. 2a
Tra3-3- a
