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ճ偠tճb\(yn)^Ӌ(j)Ӱ

ճ偠tճb\(yn)^Ӌ(j)Ӱ

 

       ճ偠tճb\(yn)^Ӌ(j)Ӱoˮgͨl(f)ͻȻؓ(f)ɵij^̣(du)oˮϵy(tng)M(jn)гӋ(j)ǷֹͻȻؓ(f)ɣǝMؓ(f)˦ȫؓ(f)ɣij^нoˮgЧ;ijڽ1000MW̞ճˮݷeճ偠tճbcoˮõ(du)(bio)ˮܹ܏،(du)oˮgӰɞճØ(bio)߃(yu)ṩ
       oˮ\(yn)Еr(sh)(dng)Ã(ni)һc(din)|(zh)ĉСڮ(dng)?sh)͉r(sh)ԓ̎Ľoˮ͕(hu)l(f)γСݱõĸ߉^(q)܉͕(hu)ʹðl(f)gĶõ•(dng)ƉӰO(sh)估ϵy(tng)İȫ\(yn)Сijڽ1000MW̞
ճ偠tճbˮݷeճcoˮõ(du)(bio)ˮܹ܏،(du)oˮgӰ
1
ճ偠tճbӋ(j)
1.1oˮòl(f)gėl
       oˮǷl(f)gȡQڱñԺͱϵy(tng)ӳñgԵą(sh)DZ
ıgOh.AhcõĽY(ji)(gu)D(zhun).
P(gun)ӳϵy(tng)Եą(sh)DZõЧg
Sh.Sh.c
ճ偠tճb\(yn)Љճoˮco
ˮòõ(du)(bio)߼ܵP(gun)c
ñoP(gun)Ã(ni)l(f)gėl0h,Ah,
Sh,-sh.0(j)ɵ
Ah-Ah,-Mh,=
(-
4P
-0h,)-(
P.
P)
(1)
pg
pgpug
ʽ:H
ճ偠tճboˮˮλcoˮľ֮g
߶Ȳ,m:OP½ܹܵĉ,Pa:ў
½܃(ni)wܶ.kgm':P.ճˮ
Pa:poճˮܶ,kg/m':P.w
͉Pa:p.wܶkgm':g
ٶ,m/s'

1.2ճӋ(j)

       (j)B(ti)^ճğƽճ(ni)
ğ׃Ҏ(gu)<(yng)͉½Ҏ(gu)),
ȻǑB(ti)^gSr(sh)g׃rҳ
ǑB(ti)^gСֵ,M(jn)_oˮǑB(ti)
^Ƿl(f)g
ճӋ(j)P(gun)Iճˮ
h׃r(dng)XM.r(sh)
h=h.+(h-h,)e'
(2)
(dng)MXMcr(sh)
h,=hota(M+M-X>-aMe-(h,-hn)
(3)
(dng)XMr(sh)
h=h,+[aM(e"-e")+h-n,]e"
(4)
ʽ:X˦ؓ(f)ɺY(ji)ˮӋ(j):M.5̖(ho)
ճgY(ji)ˮϵĴˮhl0˦ؓ(f)_ʼr(sh)ճY(ji)ˮʣh0ճ˦ؓ(f)ǰˮMճ(ni)ˮ|(zh)cճٮ(dng)|(zh)֮MCY(ji)ˮϵy(tng)8̖(ho)ͼճڹܵӟY(ji)ˮˮcٮ(dng)|(zh)֮hcᾮˮa5̖(ho)ͼӺY(ji)ˮֵ½a=hdɲÌ(du)(yng)͉ˮwePddȻ(j)½ܵĜr(sh)gPvvʽ1ó^g
2
ճӰ
       ijڽ1000MW̞(du)ճӋ(j)ӰM(jn)̽ӑճӋ(j)ݔ?yn)?sh)1ʾ
1ij1000MW̵Ľoˮϵy(tng)(sh)
Tab.1Parametersoffeedwaterdeaeratingsystemofa1000MWpowerproject
(xing)Ŀ (sh)
r½oˮ/th-1 3093
oˮÔ(sh) 2
ճˮλcoˮľ(bio)߲/m 29.31
θ½ܴL(zhng)/m 43.0
½ܹ܏/mm 630
½ܱں/mm 13
½ܵľֲϵ(sh) 1.75
½ܵĵֲֵڶ/mm 0.2
oˮǰVW(wng)/Pa 8800
˦Mؓ(f)ɕr(sh)ճ(ni)ˮض/ 188.7
˦Mؓ(f)ɕr(sh)ճ(ni)ˮ/MPa 1.219
oˮñg/m 5.4
ˮˮλݷe/m3 300
2.1
ճoˮݷe
       DL50002000l(f)늏SO(sh)Ӌ(j)g(sh)Ҏ(gu)̡(du)ճˮAˮҎ(gu)£200MW™C(j)MճˮAˮС偠tBm(x)l(f)r10minĽoˮ300MWϙC(j)MճˮAˮС偠tBm(x)l(f)r5minĽoˮ
      
ճˮAˮͬ(du)˦ؓ(f)ɹr½oˮõgӰҲͬ^Сgcճˮݷe׃Č(du)(yng)P(gun)ϵD1ʾDЙM(bio)ʾճˮݷe偠tBm(x)l(f)r(sh)Ľoˮ(du)(yng)ķ犔(sh)
       ĈD1ɿ(dng)ճˮݷer(sh)^Сgֵ˦ؓ(f)ɕr(sh)Խװl(f)gճˮʼK͠B(ti)(ni)ĉʼKcˮ(du)(yng)ˮݷeˮ½ٶȜpճ(ni)ˮ½ٶȜpr(sh)oˮڵˮcճ(ni)ˮԽСߵ͉ԽС˕r(sh)˦ؓ(f)ɕr(sh)g½ֵԽСڳ^̷ֹoˮõg
       ķֹoˮgҪˮݷeԽԽãˮݷeڙC(j)Mؓ(f)ɕr(sh)(hu)ӄЧĐҲճO(sh)r(ji)M(fi)õ(yng)
2.2
ճcoˮõ(du)(bio)
      
ճˮλľcoˮľ߲ṩoǿ˷oˮgԴ(dng)ڷ(wn)B(ti)^Կ˷½ֲܾسpʧʹoˮòl(f)gڳ^߀Ҫ˷ڜÎg½ֵڽoˮðb(bio)ߴ_ǰ^СgSճľ(bio)ߵ׃rD2ʾ
       ĈD2ɿڽoˮðb(bio)ߴ_ǰ^СgֵcճØ(bio)߻ɾP(gun)ϵճØ(bio)ǷֹoˮgЧ^ճØ(bio)(hu)M(fi)ú͹ܵͶYM(fi)ڹO(sh)Ӌ(j)(yng)ڱCoˮòl(f)gǰlY(ji)Swü]P(gun)zҪؽճØ(bio)
2.3ˮܹ܏
hacˮܹ܃(ni)|(zh)P(gun)ĿǰҪ(gu)Ҍ(du)ˮܵ]ٷҊ2
2ˮ܃(ni)|(zh)ٵ]ֵ
ˮܹ܃(ni)|(zh)ɹ܏?jng)Qxȡ4Nˮܹ܏M(jn)Ӌ(j)㣬N܏(du)(yng)Ҋ3
3ˮܹ܏c܃(ni)|(zh)ٵČ(du)(yng)P(gun)ϵ
Tab.3Correspondingrelationbetweensuctionpipediameterandflowrateofmediuminsidethepipe
ܵ(sh) |(zh)/ms-1
܏/mm ں/mm 
630 13 1.70
530 13 2.45
480 14 3.05
426 11 3.80
       ı3ɿҎ(gu)630mm13mmˮ܃(ni)|(zh)ٞ1.7m/s҇(gu)Ҏ(gu)](ni)Ҏ(gu)530mm13mmˮ܃(ni)|(zh)ٞ2.45m/s΢҇(gu)Ҏ(gu)]ҲӢ(gu)(gu)]ٷ(ni)Ҏ(gu)480mm14mmͦ426mm11mmˮ܃(ni)|(zh)_(d)3.05m/s3.80m/sh(yun)ˇ(gu)(ni)Ҏ(gu)]Ҫ
       (wn)B(ti)r(sh)gSˮܹ܏׃rD3ʾڹ܏ĜpС½ܵ(do)·(wn)B(ti)r(sh)gpǷ(wn)B(ti)g׃ֵ^(dng)ܵҎ(gu)ɦ630mm13mm׃ɦ426mm11mmr(sh)䷀(wn)B(ti)g22.63m׃?yu)?0.23m׃ֵH2.4m
       ^СgSˮܹ܏׃rD4ʾS܏Ĝp٣^Сg@c(wn)B(ti)^̵óĽY(ji)Փǡ෴@ڮ(dng)܏pٕr(sh)͉oˮwضc
ճضȵĜr(sh)gԽСwضȌ(du)(yng)ĉcճ(ni)͉ԽСԳ^Сg½ֵSˮܵĹ܏pС
       Ϸ֪ˮܹ܏(du)^СgӰ^󣬏ķֹoˮgĽǶȿˮܹ܏ԽСԽã⣬ˮܹ܏pСֿɜpСܵȣ͹ܵ(du)O(sh)ĶO(sh)İȫ\(yn)Ǯ(dng)ˮܹ܏pٕr(sh)ܵ(ni)|(zh)ܵ|(zh)ܵO(sh)Ӌ(j)Ҏ(gu)н|(zh)ٵļs܏xȡ(yng)CϿ]ˮ܃(ni)|(zh)(wn)B(ti)ggҪ
4.4ˮϵy(tng)
       ˮϵy(tng)س;ֲسȡQڹܵ(dng)ֲڶȡ܏͹ܵL(zhng)ˮܹܵһØ(bio)(zhn)ğop䓹ܣܵ(dng)ֲڶSƫС(du)Ӌ(j)Ӱ푘OСԺԲӋ(j)ڴ_ˮܹ܏ǰ(du)ܵL(zhng)ȵӰM(jn)з
       ^СgS½L(zhng)ȵ׃rD5ʾĈD5ɿS½L(zhng)ȵСgɾԜpС(dng)½L(zhng)40mӵ61mr(sh)Сgpٽ7m@?yn)½L(zhng)Ȳ˷(wn)B(ti)r(sh)ܵӳ^̜r(sh)gͳ^g½ֵO(sh)Ӌ(j)r(sh)(yng)Mܜp½ܵL(zhng)ճcoˮõ(du)(bio)ߴ_ǰ£s½L(zhng)ζܵӲֱԜpСճͽoˮýӿcO(sh)䰲ȫ\(yn)
       ֲܵϸ珝^VW(wng)yTֲܵ(du)^СgӰD6ʾ
       ĈD6ɿСgS½ֲܾpССg׃^С(du)oˮgӰ푺Сֵf(du)ڵ͉oˮϵy(tng)ڽoˮǰОVW(wng)bãVW(wng)һ5~15kPaڳӋ(j)g^ԣҪ]oˮÞVW(wng)bðl(f)r(sh)ӰVW(wng)l(f)50%r(sh)30~60kPaɳCS3660MWC(j)MO(sh)Ӌ(j)ǰñM(jn)ǰ]ÞVW(wng)Чp˹ֲܵ(du)^̷ֹoˮgdz
       1
ճˮݷeԽԽڷֹrr(sh)oˮgڙC(j)Mؓ(f)ɕr(sh)(hu)ӄЧĐ(gu)(ni)F(xin)Aͨ偠tBm(x)l(f)r5minĽoˮ_ճoˮݷe
       2
ճcoˮõ(du)(bio)ṩoǿ˷oˮgԴ(dng)ڽoˮðb(bio)ߴ_ǰճØ(bio)ԽԽڷֹrr(sh)oˮg^ߵճØ(bio)(hu)M(fi)ú͹ܵͶYM(fi)
       3ˮܵĹ܏xȡ(du)ճӋ(j)Ӱ푺ܴˮܹ܏ԽСԽڷֹB(ti)rr(sh)oˮgˮܵĹ܏xO(sh)Ӌ(j)Ҏ(gu)н|(zh)ٵļs
       4ˮϵy(tng)(du)
ճӋ(j)ҲһӰϵy(tng)ԽСԽڷֹrr(sh)oˮg
       5l(f)늏SO(sh)Ӌ(j)ͨȴ_ճˮݷeͽoˮõİbλٸ(j)SwrM(jn)ճijӋ(j)_ϵy(tng)еճ(bio)܏P(gun)(sh)ڳӋ(j)r(sh)ɽY(ji)ӰصķY(ji)Փm(dng)pСˮܹ܏߹ܵ٣齵ճØ(bio)(yu)SÄ(chung)l

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