Deskripsi mengenai Laminar Air Flow CabinetFull description
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Medical Science
Medical ScienceFull description
desain turbin air cross flow daerah bangkinang pekanbaru
Test de flujo de inyectores
Laminar air flowFull description
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Procedure for testing
PROCEDURE FOR CLEAN AIR FLOW TEST OF COAL PIPES
PROJECT:M/s RAMAGUNDAM
UNIT – 7 (500 MW )
BHARAT HEAVY HEAVY ELECTRICALS ELECTR ICALS LIMITED L IMITED (A Government of India Undertaking !o"er Se#tor $ So%t&ern Region '') Anna Anna Sa*ai) +andanam) C&ennai $ ,-- -./0
S!%!$on: NTPC BHEL Ref No.PS-DC-202-500-0012 RAMAGUNDA NTPC Ref no COS-COMM-RGM-Co!-PRO/011 S"ee# 1 of 10 M P$%n# %&e%: BO'LER PROCEDURE (OR CLEAN A'R (LO) TEST O( COAL P'PES
SLNO LIST OF CONTENTS 210
PLANT DETAILS
310
O6ECTI8E
10
PROPOSAL
,10
SER8ICES RE9UIRED
510
SAFETY PERECAUTIONS
/10
EMERGENCY PROCEDURE
710
STATE OF TE PLANT
410
METOD
10
COMPLETION CRITERIA
2010
APPENDICES LOG SEET
S!%!$on: NTPC BHEL Ref No.PS-DC-202-500-0012 RAMAGUND NTPC Ref no COS-COMM-RGM-Co!-PRO/011 S"ee# 2 of 10 AM P$%n# %&e%: BO'LER PROCEDURE (OR CLEAN A'R (LO) TEST O( COAL P'PES STATUS SL1NO
210
PLANT DETAILS
909
T&ere are 9- (Ten mi**4 =rovided for ea#& Unit of /-- M5 Ca=a#it?0 T&e4e mi**4 are of 7R! 9--. t?=e and are =rovided "it& individ%a* *%>@oi* 4?4tem0 T&e4e mi**4 are de4ignated a4 A)B)C)D)E)6)G)H) 2 and : "it& Unit +o0 a4 =refi0
90<
T&ere are ' (fo%r #oa* =i=e4 emanating from ea#& mi** from mi** o%t*et =oint "it& individ%a* mi** di4#&arge va*ve (MDV and #oa* =i=e 4&%t@off gate near t&e #oa* >%mer a44em>*?0 T&e4e #oa* =i=e4 are 4%>e#ted to #*ean air f*o" te4t to en4%re %niform f*o" in a** t&e #oa* =i=e40
90.
T&e mi**4 are =re44%ried mi**4 "it& =rimar? air fan4 4%==*?ing t&e air f*o" and t&e &ead re%ired for over#oming mi**ing 4?4tem re4i4tan#e0
90'
To maintain t&e re%ired air f*o" t&ro%g& t&e mi**) a #ontro* 4?4tem #om=ri4ing #o*d and &ot dam=er4 i4 =rovided) "&i#& mea4%re4 and #ontro*4 air f*o" to a 4=e#ified 4et =oint0
S*!n%#+&es NTPC
BHEL
S!%!$on: NTPC BHEL Ref No.PS-DC-202-500-0012 RAMAGUNDA NTPC Ref no COS-COMM-RGM-Co!-PRO/011 S"ee# , of 10 M P$%n# %&e%: BO'LER PROCEDURE (OR CLEAN A'R (LO) TEST O( COAL P'PES SL1NO STATUS
90/
Te#&ni#a* S=e#ifi#ation of Mi**4 and it4 *%>@oi* 4?4tem are given >e*o"0
7R! 9--. Mi**4 a0
T?=e
8
7R! 9-.
>0
Make +o0
8
BHEL F
#0
Ca=a#it?
8
,,0. T!H
d0
Motor :5
8
/ :5
e0
Motor S=eed
8
,-- R!M
f0
S?4tem
8
Co*d !A
L%>@oi* S?4tem
90,
a0
!%m= Make3T?=e
8
A*ekton 3 S#re"
>0
Ca=a#it?
8
- L!M
#0
S=eed
8
F- R!M
d0
Re*ief Va*ve Setting
8
0- :SC
e0
Motor Rating
8
.0 :5
Sin#e) !rimar? Air 6an4 and mi**4 are avai*a>*e for t&i4 te4t) t&e re%ired =*ant item #om=*etion *i4t) for me#&ani#a*) E*e#tri#a* and C I to >e =re=ared at 4ite =rior to te4t0
S*!n%#+&es NTPC
BHEL
S!%!$on: NTPC BHEL Ref No.PS-DC-202-500-0012 RAMAGUND NTPC Ref no COS-COMM-RGM-Co!-PRO/011 S"ee# of 10 AM P$%n# %&e%: BO'LER PROCEDURE (OR CLEAN A'R (LO) TEST O( COAL P'PES SL1NO STATUS
310
O6ECTI8E
C*ean Air f*o" te4t in mi**ing 4?4tem i4 #arried o%t to i0 #&e#k ve*o#it? variation >et"een t&e =%*veried #oa* =i=e4 of a mi** i4 "it&in a**o"a>*e *imit and t&ere >? to en4%re t&at #orre#t 4ie orifi#e4 are in4ta**ed in #oa* =i=e4 for e%a*iing t&e Air f*o" and ii0 t&ere i4 no foreign materia* =*%gged in4ide t&e =%*veri4ed #oa* =i=e40 10
PROPOSAL
.09
C*ean Air f*o" te4t4 4&a** >e #ond%#ted in a** t&e mi**4 individ%a**? "it& Co*d Air0
.0<
T&e te4t "i** >e #ond%#ted >? r%nning =rimar? air fan and mi** and f*o" mea4%rement "i** >e taken at 4=e#ified *o#ation4( ref0 4 0 09- and en4%red t&at #om=*etion #riteria (Se#tion F0- i4 a#&ieved >? =*a#ing re%ired 4ie4 of orifi#e =*ate4 in =0#0 =i=e*ine40 +ote 8 T&e #om=*ete re4=on4i>i*it? for #ond%#ting t&e te4t in a 4afe and 4?4temati# manner fo**o"ing t&e a==roved =ro#ed%re a4 "e** a4 making t&e 4?4tem read? are in t&e BHEL4 4#o=e0 SER8ICES RE9UIRED
,10
'09
Avai*a>i*it? of man =o"er "it& re%ired too*4 for attending to an? *eakage in t&e 4?4tem0
'0<
Avai*a>i*it? of o=erating =er4onna* to #oordinate t&e a#tivitie4
'0.
Avai*a>i*it? of *ig&ting arrangement4 and #omm%ni#ation in t&e o=erating f*oor0
S*!n%#+&es NTPC
BHEL
S!%!$on: NTPC BHEL Ref No.PS-DC-202-500-0012 RAMAGUNDA NTPC Ref no COS-COMM-RGM-Co!-PRO/011 S"ee# 5 of 10 M P$%n# %&e%: BO'LER PROCEDURE (OR CLEAN A'R (LO) TEST O( COAL P'PES SL1NO STATUS
'0'
Avai*a>i*it? of =orta>*e fire fig&ting e%i=ment near te4t area0
'0/
Avai*a>i*it? of a%i*iar? #oo*ing "ater for mi**4 fan40
'0,
Avai*a>i*it? of in4tr%ment air 4%==*?
'0
Avai*a>i*it? of LT 4%==*?
'0;
Avai*a>i*it? of HT 4%==*?
'0F
!itot T%>e
510
SAFETY PRECAUTIONS
/09
De>ri4 i4 and aro%nd mi**ing 4?4tem 4&a** >e removed0
/0<
A==roa#& 3 Stair#a4e 3 !*atform "&erever re%ired are made avai*a>*e e4=e#ia**? near t&e =itot t%>e traver4ing *o#ation0
/0.
6ir4t aid kit avai*a>*e near te4t0
/0'
T&e te4t team 4&o%*d >e a"are of t&e =ro#ed%re ado=ted0
/0/
1t&er agen#ie4 "orking near t&e te4t area are informed 3 #*eared a4 =er re%irement0 SRCC "i** >e enfor#ed0
/10
EMERGENCY PROCEDURE
,09
T&e te4t team 4&o%*d >e a"are of t&e 4te=4 to >e taken to tri= t&e r%nning e%i=ment in #a4e of an? emergen#? 3 a>norma* o>4ervation4 are notified to t&em0
S*!n%#+&es NTPC
BHEL
S!%!$on: NTPC BHEL Ref No.PS-DC-202-500-0012 RAMAGUND NTPC Ref no COS-COMM-RGM-Co!-PRO/011 S"ee# of 10 AM P$%n# %&e%: BO'LER PROCEDURE (OR CLEAN A'R (LO) TEST O( COAL P'PES STATUS SL1NO
,0<
T&e te4t team 4&o%*d >e a"are of a#tion4 to >e taken in #a4e of in%r? to an? =er4onne*0
,0.
T&e te4t team 4&o%*d >e a"are of o=erating in4tr%#tion4 of =orta>*e fire eting%i4&er40
710
STATE OF TE PLANT
09
T&e tria* r%n of t&e mi** "&i#& i4 4e*e#ted for t&e te4t) i4 #om=*eted and i4 read? for o=eration from remote in a** re4=e#t 0 T&e mi**ing 4?4tem 4&o%*d >e #*ean and a** air *eakage =oint4 &ave >een arre4ted0
0<
Bot& 4et of ID) 6D !A fan i4 #ommi44ioned and read? for o=eration from remote a*ong "it& re4=e#tive air &eater4) gate dam=er40
0.
T&e #orre4=onding ra" #oa* feeder i4 ere#ted and i4 >oed %= =ro=ert? to avoid an? air e4#a=e from mi** t&ro%g& t&e4e feeder40
0'
Mi** di4#&arge dam=er i4 #ommi44ioned and ke=t o=ened f%**?0
0/
Mi** and Coa* =i=e4 4ea* air dam=er4 are #ommi44ioned and ke=t f%**? #*o4ed0
0,
T&e Coa* !i=e4 i4o*ation gate near t&e >%rner end (in a** ' #orner4 are ke=t o=ened f%**?0
0
T"o 4%ita>*e 4ie ta==ing =oint4 at F- degree4 a=art in t&e 4ame =*ane =rovided in t&e verti#a* 4traig&t =ortion of t&e a** t&e ' !0C0 =i=ie4 of t&e mi**0 (Ta==ing =oint4 are =refera>*? *o#ated at a di4tan#e of 9-@D and /@D a"a? from an? >end in t&e %=4tream and do"n 4tream re4=e#tive*?0 T&i4 i4 to 4%ita>*? de#ided at 4ite giving #on4ideration to a==roa#& to #oa* =i=e *a?@o%t and =er4onne* 4afet?0 D i4 t&e diameter of t&e #oa* =i=e
S*!n%#+&es NTPC
BHEL
S!%!$on: NTPC BHEL Ref No.PS-DC-202-500-0012 RAMAGUNDA NTPC Ref no COS-COMM-RGM-Co!-PRO/011 S"ee# of 10 M P$%n# %&e%: BO'LER PROCEDURE (OR CLEAN A'R (LO) TEST O( COAL P'PES STATUS SL1NO
!i*ot t%>e differentia* =re44%re ga%ge) T&ermometer (-@9-- Deg0 C) =o*et&ene t%>e4 of 4%ffi#ient *engt&) are made avai*a>*e0
09-
9- marking4 are made on t&e =i*ot t%>e at a di4tan#e4 of -0-'., R) -09./ R) -0<.; R) -0./; R) -0/- R) 90'F< R) 90,'
099
A** gate4 and dam=er4 in !rimar? Air) Se#ondar? air and Mi**ing #ir#%it4 are #ommi44ioned and read? for o=eration from remote0
09<
Re*ia>*e #omm%ni#ation 4?4tem among t&e te4t team mem>er4 i4 made avai*a>*e0
09.
T&e #*a44ifier a44em>*? i4 4ervi#ed t&oro%g&*? and a** t&e vane4 are 4et %niform*? at de4ired =o4ition to fa#i*itate air f*o" re%ired for #ond%#ting t&e te4t0
09'
!itot T%>e to >e %4ed for #*ean air f*o" te4t i4 #a*i>rated one and t&e #a*i>ration #ertifi#ate i4 avai*a>*e0
09/
A** t&e re%ired in4tr%ment4 of ID) 6D and mi**ing 4?4tem4 are #ommi44ioned
410
METOD
;09
Start ID) 6D !A fan4 a4 =er e%i=ment 1 M man%a* in4tr%#tion and e4ta>*i4& f%rna#e draft and air f*o" t&ro%g& t&e 4e*e#ted mi**0
;0<
Under Mi** in off #ondition) 4tart 4ea* air fan and en4%re di4#&arge =re44%re more t&an t&e mi** in*et =re44%re >? 9-- mm "#*0 T&en 4tart t&e mi** a4 =er 1 M man%a* in4tr%#tion and kee= it in r%nning #ondition0
S*!n%#+&es NTPC
BHEL
S!%!$on: NTPC BHEL Ref No.PS-DC-202-500-0012 RAMAGUNDA NTPC Ref no COS-COMM-RGM-Co!-PRO/011 S"ee# of 10 M P$%n# %&e%: BO'LER PROCEDURE (OR CLEAN A'R (LO) TEST O( COAL P'PES SL1NO STATUS
;0.
Ba4ed on t&e de4ign air f*o" of t&e mi**) #a*#%*ate de*ta ! to >e 4et a#ro44 mi** in*et air f*o" mea4%rement devi#e
;0'
Air f*o" t&ro%g& t&e mi** i4 in#rea4ed >? o=ening &ot 3#o*d air dam=er and *oading !A fan a##ording*?0
;0/
!A &eader =re44%re 4&a** >e maintained at /-@;-- mm@"#*0
;0,
Se*e#t a Coa* !i=e of average *engt&) and in4ert t&e =i*ot t%>e to t&e #enter of t&e =i=e and ad%4t t&e air f*o" to =rod%#e t&e #a*#%*ated =i*ot t%>e differentia* =re44%re (a==roimete*? 99-J f*o"
;0
;0;
;0F
Re#ord mi** air tem=erat%re) mi** air f*o" indi#ation mi** differentia* =re44%re) !A &eader =re44%re at #ontro* room0 If #ontro* room indi#ation4 are not avai*a>*e for #ertain =arameter) t&an 4%ita>*e mea4%ring arrangement4 to >e made at *o#a*0 (If >ot& are avai*a>*e) #ro44 #&e#k *o#a* and remote reading4 Ve*o#it? =rofi*e in ea#& Coa* !i=e 4&a** >e o>tained >? traver4ing t&e =itot t%>e at t&e 4ame =*ane in t"o dire#tion4 (A and B) F- - a=art at t&e #enter of e%a* area40 (S%gge4ted *o#ation4 i4 a4 given in 4e#tion 009- Convert t&e =i*ot t%>e differentia* =re44%re reading (ve*o#it? &ead into air ve*o#it? in4ide t&e Coa* !i=e >? %4ing t&e form%*a V K -0<.,/<<
&0 (t
5&ere V @ air ve*o#it? in m3Se# & $ !i*ot t%>e differentia* !r0 in mm "#* t $ Air tem= in - : Ca*#%*ate t&e average air ve*o#it? in individ%a* #oa* =i=e(V=0 ;09S%>4e%ent*? #a*#%*ate t&e average of t&e ve*o#itie4 of a** fo%r #oa* =i=e4 of t&e te4t mi** (V m0 6ind t&e maim%m minim%m ve*o#it? and t&e deviation 4&a** >e "it& in /0-J of t&e average ve*o#it? of a** fo%r =i=e4 (Vm0 S*!n%#+&es NTPC
BHEL
S!%!$on: NTPC BHEL Ref No.PS-DC-202-500-0012 RAMAGUND NTPC Ref no COS-COMM-RGM-Co!-PRO/011 S"ee# of 10 AM P$%n# %&e%: BO'LER PROCEDURE (OR CLEAN A'R (LO) TEST O( COAL P'PES SL1NO STATUS
J Ma0 deviation K Ma0Ve*o#it? @ Ave0Ve*o#it? 9-Ave0 Ve*o#it?
Re#ord air tem=erat%re and f*o" differentia* a#ro44 t&e mi** in*et air mea4%ring devi#e0 T&e4e va*%e4 are to >e fre%ent*? #&e#ked and maintained t&ro%g&o%t t&e te4t 0
;09<
Re=eat t&e a>ove te4t for t&e remaining mi**4 0
;09.
In #a4e t&e deviation i4 not "it&in t&e a**o"a>*e *imit) 4ie4 of t&e orifi#e4 =*ate4 "i** >e ad%4ted and t&e te4t "i** >e re=eated ti** deviation i4 "it&in t&e *imit0
;09'
Determine t&e 5eig&t f*o" =er min%te t&ro%g& ea#& #oa* =i=e %4ing t&e e%ation8 Air f*o" (:g3min K ( D <3'V,-7N 5&ere V K Air ve*o#it? m34e# D K Coa* =i=e ID ) m N K Air den4it? ) :g3m . at te4t tem=erat%re0 Tota*i4e t&e air f*o" for one mi**0
10
COMPLETION CRITERIA
F09
T&e #*ean air f*o" te4t for Coa* !i=e4 #om=*eted after a#&ieving t&e fo**o"ing #riteria0 a
Ve*o#it? variation of maim%m and minim%m ve*o#it? i4 "it&in /J of average ve*o#it?0
S*!n%#+&es NTPC
BHEL
S+ee! 20 o" 20 2010
LOG SEET DATE:
PROECT UNIT ACTI8ITY
: : :
Corner 9 S0+o
A &
B V
&
V
Corner < A B & V & V
Corner . A B & V & V
Corner ' A B & V & V
9 < . ' / , ; F 999 Ave0Ve* (m34e# Air 6*o" (T3Hr
90 <0 .0 '0 /0 ,0 0
De4ign Air f*o" J of Dam=er o=ening
8
Air Tem=erat%re Coa* !i=e ID !A HDR !re44%re 6%rna#e !re44%re Ma0 Ve*o#it? Average Ve*o#it? (V = Min0 Ve*o#it?