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January2010No.1:(1983-),,,,,。(1982-),,,,,。41Vol.41CHINAWELLANDROCKSALT,(,643000):、,,、,。:;;;;;:TS3:B:1001-0335(2010)01-0024-03BoilerFoulingAnalysisandTechnicalCompassionofSeveralSoot-blowingMethodsFengChunyan,Aixin(HuaxiEnergyIndustyLtd.Co.TechnologyCenterZigong,Sichuan643000)Abstract:Forthefoulingscalewhichinfluenceseconomicandsafeoperation,somesystematicanalysiswasmadefromformingmechanismandinfluencingfactors.Theoperationeffectivenessofsomepopularsoot-blowingmethodsarecomparedandtheoptimalconfigurationofseveralkindsofsoot-blowersindifferentcon-ditionsareputforward.Keywords:saltplant,boiler,foulingscale,mechanism,squib,soot-blowing1、,,,、。,,,。。、,、、。、,,,;、,。、,,,,20℃,1%,、,。,。,,,。,;,;,、、、,,;、,,,,,。、,,,。,,,。2,、、24201011、,。,,,,,。,。。,,。600~700℃,。,。:,;,。200μm,10~30μm,,,,,。,,,。,,,,。,,。,,,,,,,:3Fe+4H2SO4+2O2=FeSO4+Fe2(SO4)3+4H2OFe3O4+4H2SO4=FeSO4+Fe2(SO4)3+4H2OCaO+H2SO4=CaSO4+H2OXCaO·YAl2O3·SiO2+(X+3Y)H2SO4=XCaSO4+YAl2(SO4)3+SiO2+(X+3Y)H2O33.1,,,;,,。,,8~10m/s,;2.5~3m/s,,,。3.2,,;,。,,。3.3,,,。,,。3.4,,。3.5,。44.1。,,,。,,,。4.2。,,,。0.4~0.55MPa,,,。4.3。:(、、、),、,,,(),、“”,,。55.1。,:25January2010No.1。,。,。5.2。,“”;,,,。5.3。,、,,,。66.1:⑴,、、;⑵,;⑶。:⑴,;⑵,,,,、;⑶,;⑷,,,;⑸,,;⑹,,;⑺;⑻,,,。6.2:⑴,,,;⑵、,;⑶。:⑴,;⑵,,,,;⑶,;;⑷,,;;⑸,;,。6.3:⑴,;⑵,,;,,;⑶,;⑷,、、。:⑴,;⑵,;⑶,。,、,,。,。200110,。,6,。(、、),,。,,,。7、,。;;,,、。[1].[J].:,2004,17(22):10-11.[2].[J].:,2006,6:47-49.[3].[J].:,1992,4.(:2009-12-02)(/):26
本文标题:锅炉积灰分析及几种吹灰方式的技术性比较
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