DLGJ23-1981火力發(fā)電廠汽水管道設(shè)計(jì)技術(shù)規(guī)定(試行).doc

dlgj 2381dlgj 2381(81)1331964(sd1dz/z10364)dlgj 2381198177p/2kgf/cm2pg2/kgf/cm2pps2/kgf/cm2pd2/kgf/cm2pd12/kgf/cm2pd22/kgf/cm2p02/kgf/cm2p12/kgf/cm2p22/kgf/cm2plj2/kgf/cm2pdl2/kgf/cm2aaljt()20j/2kgf/mm220tj/2kgf/mm2tb/2kgf/mm220tb/2kgf/mm2tts/2kgf/mm2tts(0.2%)2 /kgf/mm2t0.2%td2 /kgf/mm2t10dgmmdwmmdnmmsmmslmmsjsmma1g/t/hgmax/t/hgmin/t/hq3/m3/h3/m3/kg03/m3/kg13/m3/kg23/m3/kglj3/m3/kglj3 /kg/m313 /kg/m323 /kg/m3w/m/sm2/()kg/(m2s)wlj/m/smlj2/()kg/(m2s)lmjjzkdmg/2m/s2gc/(2)kgm/(kgfs2)kach1mh2mpjgxpjgypjgzkgfxyzpgzkgfpazkgfpmaxkgfpykgfpmckgfpqlkgfpa2/kgfcm2p22/kgfcm2et2/kgfcm2i4cm4w3cm3lommmaxmmhazmmhgzmmhzlmm1mm2mmhmmhummfmmfn/ytmmk/mm/kgfw2/m/sj/kgfm/kcalq/kgf/mlmlmlmaxmcio/kcal/kgf22cm2ddmmnkgfcmzmmmaxmmmaxmm50%jmmjmmumnnbnzkgfnnyhkgfntxkgfnnyhkgfntxkgfnjkgfmm kgfdpmmlmmk/kgf/mmlbmm1.11.171ata*/5551.2kw30kw*kgf/cm ()pampa1mpa=10.2kgf/cm1.21.33%1.2.1.153.4.5.6.1.17.8.9.10.11.10ata20ata2.3.4.5.6.7.8.5020jpg p p = pg2*) tj 200(kgf/cm(1-1)j 2002002)(kgf/mmj t2*)(kgf/mm*pampa 1kgf/cm2=9.807104pa=0.09807mpa*n/mm21kgf/m2m=10n/mm2)140kgf/cm2dg1.4p54140540pj 20180 s (s c)d (s c)p = 1.25 pjs tpps(kgf/cm )p(kgf/cm )j 2020(kgf/mm )j t(kgf/mm ) s 20(kgf/mm )s(mm)c(mm) 2-2d (mm)1.252kgf/cm1.51001-11-1()()a3fa3a3g0200-203002503501020-20440-2045045045016mn15mnv-40450-2045047550015crmo12cr1mov12movwbsire(8)12cr2mowvb(102)12cr3movsitib(11)5105405555405555405555405555405705806006002016mn15mnv1.6450j t b ; b ; s s(0.2%) ; d b 20331.51.51.5)(kgf/mmtb)(kgf/mmtskgf/mm )(ts (0.2%)0.2%)(kg)f/mm (t10hd)(kgf/mm10h1.2ttbbst ts (0.2%) d80%90%0.970%1.7(sdj51* 82)(2.1dgn = 594.5 (2-1)q dn = 18.8 dn(mm)g(t/h)(2-2)/kg)(m(m/s)q(m /h)()2.22-12-1(m/s)5070305030503050609035230.52130.51230.51.52312.3g = 0.6gmax + 0.4gmin(2-3)g(t/h)gmax (t/h)gmin (t/h)2.4 dw 1.7dns1 =pdwj200 t + p(2-4)s1 =pdnj200 t p(2-5)s1(mm);p)(kgf/cmdw(mm)dn(mm) tj t)(kgf/mm = =0.62-22-21.000.900.751.000.850.802.5sjs = s1 + c1 + c2(2-6)sjs(mm)c1(mm)c2(mm)3-12.6c1 = a1s1(2-7)a12-32-3a10-5-8-9-10-11-12.5-15(%)a10.0500.1050.1410.1540.1670.1800.2000.2351.2.5.5mmc1=0.5mm67mmc1=0.6mm825mmc1=0.8mm2.7c2c2=00.5m0.05mm/ac23.13.216kgf/cm2003.3pg40300pg25300140kgf/cm5403.4pg64()-13-13-1rdgpg200pg100dw(mm)r(mm)dw(mm)r(mm)10161001410015181002028150251002532150324220038150404820045200456030050763005730065894007330080108600894001001336001086001251686501336001501947501596501752191000194750200245130021910002252731370245130025032513702731370300377150032513703504261700377150037548019002400400426170045048019002400500530210024006006302400pg64pg100r=2dwp55.539.155p.529.455p.527.6rd=w1.5pg100g6p4g4p0r=1.5dgpg25r=dg+50pg16dg +50mm()3.5pg25pg403.61.p55.5170 p54170 p55.5 p541402.p54100p2384p2430p26.52803.p55.539.1p55.529.4p5427.64.pg100pg645.pg406.3.7pg40pg253.83.93.10(1)16kgf/cm(2)10kgf/cm()7kgf/cm3001.2.3.5000kgf* n()1n=0.102kgf4.pg10dg600 pg16dg450 pg25dg350 pg40dg250 pg64 dg 200 pg100 dg 150pg200dg1003-23-2.(mm)100250300600(mm)202525501.2.3.3.110.05radj0.13mmaxl(3-1)j mmaxl)m)4(m )(kgf(cm()1.2.30()90pg25dg2003.121-13.1315201020a3f1cr18ni9tipg1608f3.143-33-3pg(kgf/cm)()020030035042545051054055525a3fa320254064100 200202512crmo15crmoa12cr1mov25a5253530crmoa4064100354030crmoa35crmoa25cr2mova20030crmoa35cr30crmoa35crmoa25cr2mova25cr2mo1v20crmovtib20cr1molvnib25a3fa32030354540641002535354530crmoa35crmoa200354530crmoa35crmoa25cr2mova25cr2mo1v20cr1mov30cr2mov200a3f2035a312crmo15crmo15crmo100100a310101cr18ni9tia4.14.2(1) (2)(3)4.34.44.5200mm150mm4.6()350mm300mm50mm4.7200mm150mm4.8()4-54-750mm4.9()2000mm4-1(4-1)2000mmh4550 556065 h(mm)180017001600m4.10()2500mm4.11(0.0005)4500.0024500.0040.0020.0030.0030.0050.0010.0024.12100mm4-24.134-3l1dl) (4.14100150mm200mm4-2)(150mm100mm4-34.15()400mm50 mm4.16dg150200mmdg150100mm4.174.18150mm4-44.19()1300mm(4-4)4.20()()300mm(4-4)150mm304m4.215003644.224504500mm51005500mmdg3508dg3504.23()20610(3 )()4.244.254.26sdgj678sdgj690dg ( l u )2dg(mm)l(m) 20.8(4-1) (cm)u(m)4.27n z max(4-2)n z(mm) max50%n z = n nyh n tx(4-3)nz (kgf) nnyh(kgf) ntx(kgf)+-n nyh = n nyh pp(4-4)n tx = n tx z max(4-5)nnyh(kgf)ntx(kgf)p(kgf/cm )p(kgf/cm ) z(mm)”max(mm)”max =max/2 ()4.284-(15%)35kgf/mmn 0.85 z max(4-6)4.29(4-5)j = nb lmax3dp(4-7)n j =3kd2pb2n l 2j(4-8)3kd2m =p 103b4n lj(4-9)j(mm)nj(kgf)mm)nb(kgfdp(mm)l(mm)max j b = max max2n(mm)2 n kk =tx max= rn b(kgfr/mm),4.304-)(4-6j = 2nb (lb l )maxdp(4-10)n j =kd2p4nb lb ( lb l)j(4-11)pkd2m =8nb ( lb l)j 103(4-12)4-7lb(mm)nblb2l 4-74.31n (l ) zb j =z nb 3dp(4-13)2n ( l l z ) z bb j =2 dpnb (4-14)z (mm) (4-)(4-8)(4-9)(4-11)(4-12)4.3250%4.33380(0.7420)0.54.34()2/314.35()5.15.210%5.32 =1d 1.24 + 2lg n kd dk(m)() d=0.21-30mk d=0.31-30mk(5-1)5.4()kd=(0.550.65)1-30m = l + dzjn(5-2)zdn(m)l()(m) j5.5g1 = z2g2g1g2(t/h) z1 z25.6 z1 (5-3) dn1 42 g2 z1 = z2 dn2 g1 (5-4)5.71.640%5.8d2 = 0.354 gn(5-5)d2m = 0.354 gn(5-6)(m/s)mkg/(ms)g(t/h)(m3/kg)5.92p =cd2 g 104(5-7)pd =m242 gc 10pd(kgf/cm )gc 9.81kgm/(kgfs )5.10(5-8)p = p p 1( hc h ) g21d z 10421 g(5-9)p22)p12)(kgf/cm(kgf/cmh1-h1(m)g5.112)9.81(m/spppd1pd12 = 1 1 2p21 z (1 + 2.5)p1(5-10)pd1z pd1 p1 0.03 0.04p2 = p1 pd1 z(5-8)(kgf/)cm(5-7)(5-11) = a na(a 2 1) pd1p1(5-12) = 2 1n = k 1nka = p1p2k1.35-1 kk5-11x=12x=0.9pd1 0.011.2=p15.12()()c = pdn 0.05paa1c0.03a = mb 1ma2pa pda padb =( p + p ) padadb(5-13)pdbb(kgf/cm )pdaa(kgf/cm )paa(kgf/cm )apb = ps + pda pdb pd(5-14)pbb(kgf/cm )pd(kgf/cm ) b = 2 gcpdbm2 b 104(5-15) b b(m /kg)mbbkg/(ms)5.131.640%5.14()(p11)(m)(p)(plj)p = map pljlj2)(kgf/cmkgc 1040 0(5-16)p00/kg)ca =2 gk2) 104(kgf/cm(mak + 1:=1.3a=33k3k=1.081.135a=3203231k 1 ppm2 0 0 = 1 +2 gk41 10 c (5-17)m 2 1 0p0 0 p112 g c 10 4(1)plj p(2)plj pp11)( m)(z) ( p1k 1 11 k+ 2 pd1 2k = + 2 zlnk + 1(5-18)k=1.3 p1 + 0.115 1 1 = + 4.07lg 2 pd1 2 z(5-18)2 2k lj = z + 1 + 2ln ljk + 1 lj 3-2k=1.3(5-19)lj z lj 2 = 1.13 + 1 + 4.6lg(5-9)(1)lj (2)=lj (3)lj5.15p = p1 k 1 1 p2k dlp2 (kgf/cm )k=1.3(5-20)p = p1 0.23 1 p2 dl(5-20)4m =( p1 p2 )(1 + ) gc 10 ( z + )1(5-21)mkg/(ms) = k 1 1 + k + 1 lnk=1.32k k(5-22) = 0. 1 + 4.07lg115(5-22)k 1 a 2 = a 1 k + 1alj 4(k 1) lj = a 1 a 2 (k + 1)3 (5-23)ljk=1.32 = a 1 0.1 a lj (5-24) 2 + 2 gk p2 2(5-21m) 1042c k 1m22 gkc k 1 p0 0 104 = 0m2(5-25)k=1.32 2 + 85.02 104p2 m22 85.02 104 p0 = 0m2(5-25)5.162/1=m(5-21) b = a(5-26)bbaa3/kg)(m3/kg)(ma 2 c 2 +kk 1( 1 k 1) = ck=1.3a 2 c 2 + 4.333( 0.3 1) = cc(5-27)a2c3-1pb = 1.3 pa(5-28)2pdb = apda5.17z(5-29)n z = a = a + a 2 +.+a n n22221 121n12(5-30)222 d a =na dn a dn 1 ,2 = n = a1 a2andnd1d2dn d1 d2 dn k 1 1 2 1 + 2 1 + k=1.3 = ab k + 1ln - 2k + a n a122(5-31)1 2 1 + 2 1 + = ab 4.07lg - 0.385 + an a1 22ab(5-32)ab =+z(5-21)p2n a 2 (a 2) 1 n a 214 + = ( p1 p2 )(1 + ) gc 101zm2 (5-33) z +(5-21)5.18 k + 1pk 1p1 = 2p1(kgf/cm2)k=1.3 lj lj2 lj (5-34) 0.15p1 = 1.15 lj plj lj (5-34)mlj = k + 1 p1 k 1 1 a p 104lj 2kgck 0 0 lj (5-35)mlj2s)kg/(mwlj = a p0 04(5-36)lj lj =gc kp lj 10lj lj3/kg)(m/s) (m(5-37)p = k ppdldl 2 lj2)(kgf/cm(5-38)alj = 1.15 lj 0.15ljalj 3-2(5-39)=1.3lj k=p0.546p0(kgf/cm2)=1.1351.08klj=0.p58p0 0.590(pkgf/cm2)=1.3k0.65lj = 2.09 mp00 102(5-40)k=1.135lj = 1.99 mp00 102(5-40)p”bpb + pdb pdb b + p2)(5-41)(kgf/c41 dn b = b 2 d n dn (m)ba0.71.83 pa pdb b + p(5-42)1.73 pa pdb b + ppa (kgf/cm2)5.19(5-43)5.20m = 2 gc1041 dp + 1041dp + 2 dh g + 4.6lg 2 2 gzcmkg/(cm2s) = 1 (kg/m3)dp(kgf/cm2)dh(m)12(5-44)1 g 2 dh2 gcw2=m2120m/s1104 dp21 dp21.p1p2pipipipiipipiii i i ii iii2.pnnx= il inrnil *);(kcal/kg*j(kg=4.1868kj/kg)k)jkj/kg 1kcal=4.1868kj 1kcalinrnpn(kcl/kg)3.n: n npn n = x n ( n