多噴槍頂吹銅冶煉爐多相流數(shù)值模擬
打開文本圖片集
中圖分類號：TF811 文獻(xiàn)標(biāo)志碼：A 文章編號：1004-4345（2025）03-0011-06
Abstract The paperdiscuses theflow behaviourof thegas-slag-metalthree-phasefluid insidethe multi-lance top blown coppersmeltingfuacetooptimizethestructuraldesignandprocesscondions.Foratopblownfuaceequippedwith15lanes，the VOF multiphase flow model coupled with a standard k-ε turbulence model was used to numerically simulate the flow characteristics， phasedistribution，andphaseintefacebehaviorofthemoltenbathundertheconditionofblowingoxygen-enrichedgasathighpeed. The studyresultsshowthat themulti-lancejet-drivenmeltfuctuatesreciprocallybetwee thefeedendandflueend.Theaveragegas jet velocity is 250～400m/s ，which can penetrate the slag layer and disturb the metal phase，causing melt splashing.The splashing rangereachesdynamicequlibrumovertimeandremainsprimarilyconcentratedinthevicinityoftelances.Thedecreaseingasflow ratesignificantlyreducestheoutletvelocityoftheance，penetrationdepthofthemelt，andoverallflowvelocitysuppresgte intensityandamplitudeof melt fluctuations.Increasingthedistancebetween thelanceandthemelt surfacecanreducetheoutlet presureofthelnce，deceasethemplitudeofpresurefluctuations，andslightlyincreasethegasflowate，whichelpstoalevate local splashing.
Keywordstop-blown furnace; VOF multiphase flow model; numerical simulation; copper smelting; gas flow rate
頂吹爐是銅冶煉技術(shù)的主要設(shè)備之一[1-3]。（剩余5262字）