提高铁水脱硫喷枪寿命的实践

:(1972-),(),,,,1,2(1.;2.,250101):,,,200min900min,:;;:TF307:B:100221043(2008)0320007203PracticeofimprovementinlifeofhotmetaldesulfurizationlanceYINWei2ping1,LIZhong2yang2(1.No.1SteelmakingPlantofJinanIron&SteelGroupCo.Jinan250101,China;2.RefractoryMaterialPlantofJinanIron&SteelGroupCo.Jinan250101,China)Abstract:AccordingtothedamageprincipleofdesulfurizationinjectionlanceinNo.1SteelmakingPlantofJinanIron&SteelGroupCo.,theinjectionlifeisincreasedfrom200minutestoabove900minutesandtheproblemofinjectionlanceblockageissettledsuccessfullybyimprovingthelancestructure,optimizingtheproductprocessofinjec2tionlanceandraisingtheperformanceindexofrefractorymaterial.Keywords:combined2injection;desulfurizationinjectionlance;life,,,()2006POLYSIUS,,,,,,,1:(1)50t(2),T(3)CaO+Mg,58min(4)200300mm(5)130014002,,,30,200min,111/min112224126,3411440239535210J131196:720086243SteelmakingJun.2008Vol.24No.3(1),,,13001400,,,,,,,,,(2),:,,,,(3),[1]33.1,,(1),:,,,,,;,,,,200mm,,(2)(),Y,(3),,,,8mm12mm(4),,,2Al2O3,,,(5),,,100,,,,,,,,,80h,,3.2,,,;20306,2;,20mm,222/minJ2100626.90,J3119513.50,J475551.50J598591.45,J683506.80J788506.30,3.3,3,382433/minJ8127801J9128795J1056507J11136815J12142836J1382573J142189863,,,,,3.4,:(1)8mm10mm12min,10mm,10mm(2),(1),,,(3),,1,,900min4,,,,200min900min,[][1],.[J].,1994,29(2):15(:2007210223)227,,,,,,,,(),,,HP2951700mmHP295,,8(976t),,HP295API2B4047.5t,()93,: