电站锅炉沼气点火装置的研究与设计

(450002):,,,:,,,,,,,,,,40,,,,,,,,,,,12m3,,,1130töh,,,916m3öh,10kPa,0195,L=515m3öm3,CH460%,CO239%,H2S015%,N2015%,VT=20cmös,,,1,,,,11(kgöm3)(kJöm3)()(%)1122216116707262211,10kPa,(1)V=2ToPrQorTrPoPr(1)8ChinaBiogas1998,16(1)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,To(K);Tr(K);Qor(kgöm3);Po(kPa);Pr(kPa);Pr(kPa);V(mös)(2)dr=q10601785V1K(2)dr(mm);q(m3öh);K,0175(3)Lr=2dr(3)Lr(mm)1,21212,,,,fcfrF1(4)F1=fcöfr=ABmn-C(m-1)(n-1)(4)A,A=1;B,(5);C,(6);m,(7);n,,(8)B=1+Nc(5)C=1-NB(6)m=1+A1LToTr(PoPr)-0123(7)n=1+A1LQoQor(8)(5)(8)Nc;NB;A1;L(m3öm3);Qo(kgöm3)dcLc,LA,Lk,dA,dk,(9)(10)(11)(12)(13)Bk36,BA822dc=drF1(9)Lc=LA=5dc(10)Lk=112dc(11)dA=dc+2LAtanBA2(12)dk=dc+2LktanBk2(13)213fhrfcF2(14)F2=fhröfc=mn(1+Nhr)PcF1(Pc-P)(14)9ChinaBiogas1998,16(1)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.Nhr,012;Pc(Pa),(15);P(Pa),(16)Pc=W2PrF1(15)P=QoV212(16)(15)(16)W,0185;V1(mös)dhr,Lhr,Vhr(17)(18)(19)3dhr=dcF2(17)Lhr=(dA-dhr)ö(2tanBhr2)(18)Vhr=q(1+A1L)Tcm10601785d2n.rTo(19)(17)(18)Bhr,14;Tcm(K)32,44112131412dr(mm)Lr(mm)HF1dc(mm)Lc(mm)LA(mm)Lk(mm)BkBAdk(mm)dA(mm)F2dhr(mm)BhrLhr(mm)5181116603535175175423686260112381486214,Re,,,,,,WP,,,,,,113DG130ö39ö450M0118kgös,5,34(1),1105m,1800,,,,01ChinaBiogas1998,16(1)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.5(2)DG130ö39ö450M425s,,,12m3,5,2t(4000),4h,3DG130ö39ö450M1234567(m3ös)818810-4113310-3210210-3215810-3216710-3311110-3315610-3(m3ös)418910-3713210-3111110-2114210-2114710-2117110-2119610-2(m3öm3)515515515515515515515()1400150315951706180018001800(m)0150016301720184110511051105(kgös)0118011801180118011801180118(s)1350890580450425425425(3),,,,,51..:,1994:102..:,1990:113....:,1988:64..:,1983:125..,1986;(5):35426.:,1993:9StudyandDesignofIgnitionDeviceforthePowerStationBoilersUsingBiogasLiuShengyong,Qiaiqin,GaoLinzhao,ZhangQuanguo(MechanicalandElectricalEngineeringCollegeofHenanAgriculturalUniversity,Zhengzhou450002)Abstract:Thepaperdescribesindetaildesignandcalculationmethodsofnozzles,injectionsandburnerconesaswellasthewayofstabalizingtheflamebyusingbiogas.Applicationresultsshowthatthisigniterisfeaturedbyhighflametemperature,Versatilityofapplication,economicopertionandfacilehandling,andhasthusaprospectivefuturewithutilityofboilersthatdonotuseoronlyuselimitedamountsofoilforignition.KeyWords:powerboiler,biogas,forcedpre2mixing,ignitiondevice11ChinaBiogas1998,16(1)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.