简介:Thispaperintroducestheprocessflow,technicalparametersandrelevantfeaturesofBaosteel'sNo.8airseparationunit(ASU)withacapacityof60000m3/h.Itsummarizesthecommissioningwork,whichincludestheadjustmentoftheaircompressor,thesystem'snakedcooling,theprecoolingsystemandtheoperationadjustment.Italsoprovidesdetailedanalysesonsomefailureswhichoccurredinthecommissioning.Throughthemodificationofthedesignandtheinterlocks,thetrippingprobabilityoftheaircompressorwasgreatlyreduced.Throughtheheatingofthesystemandthecontrolofthewatercooler'snitrogenflow,theoverproofcontentofcarbondioxideandfluctuationofoxygenflowwereavoided.Nitrogen-blockintheargonsystemwaseliminatedbytheprecisecontroloftheargonrectificationflowandargoncontent.Allthesesolutionshavebeenprovedtobeeffectivebypractice.