多喷枪顶吹铜冶炼炉多相流数值模拟

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中图分类号：TF811 文献标志码：A 文章编号：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

顶吹炉是铜冶炼技术的主要设备之一[1-3]。（剩余5262字）