简介:Thispaperintroducestheprocessflow,technicalparametersandrelevantfeaturesofBaosteel'sNo.8airseparationunit(ASU)withacapacityof60000m3/h.Itsummarizesthecommissioningwork,whichincludestheadjustmentoftheaircompressor,thesystem'snakedcooling,theprecoolingsystemandtheoperationadjustment.Italsoprovidesdetailedanalysesonsomefailureswhichoccurredinthecommissioning.Throughthemodificationofthedesignandtheinterlocks,thetrippingprobabilityoftheaircompressorwasgreatlyreduced.Throughtheheatingofthesystemandthecontrolofthewatercooler'snitrogenflow,theoverproofcontentofcarbondioxideandfluctuationofoxygenflowwereavoided.Nitrogen-blockintheargonsystemwaseliminatedbytheprecisecontroloftheargonrectificationflowandargoncontent.Allthesesolutionshavebeenprovedtobeeffectivebypractice.
简介:Baosteel's60000m3/hairseparationunit(ASU),thefirstdomestically-integratedunitofitsclass,isamilestoneintheChineseairseparationindustry.Inthispaper,theprocesscharacteristicsoftheunitandtheapplicationoftheoriginaltechniquesareexpatiated.Somedifficultiesintheprocessdesign,theriskcontrol,thequalitycontrol,thecontrolsystemintegrationandthesystemcommissioningareanalyzedandappraised.Themodeoftheprojectintegrationandinnovation,thecooperationamongindustriesandtheuser-orientatedprojectmanagementmodeareintroduced.Finally,thesuccessfulexperiencesininnovationaresummarizedwiththefocusontheintegrationoftheproject.
简介:Thefirstdomestically-integratedlarge-scaleairseparationunit(ASU)withacapacityof60000m3/hwassuccessfullybuiltandputintooperationatBaosteel.Comparedwiththeelectricaldesignoftheimportedequipmentofthesametype,thisASUhasanelectricalprotectioninterlinkthatisindependentfromthedistributioncontrolsystem(DCS).Withthedesignideaofsimplicity,theASUfeaturesasimplifiedconfigurationandanaudioalarmsystemforelectricalfailures.Ithelpsreducethefailurerateoftheelectricalequipmentanddetectfailuresquicklyandaccurately.Itwilleffectivelyenhancesafeandstabilizedproduction.TheASUcannotonlyreducethecostofinvestment,butalsoensureasmoothandstablerunningofthewholeelectricalequipment.Thisstudyfocusesontheexperienceandunderstandingoftheunitdesignandcommissioning.
简介:Baosteel'sNo.8airseparationunit(ASU)isthefirstdomestically-integrated60000m3/hASU.Thispaperdescribesthemechanicalequipment,thedesignandtheconfigurationcharacteristicsofthisunit.ThepotentialfailuremodesofthemechanicaldevicesarededucedviaanalysesonthefailurehistoryofsimilardevicesinotherASUs.Finally,thispaperalsobringsupsuggestionsondailymaintenance,overhaulandpurchasesofspareparts.