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e RVol No D NACTAMETALLURGICASINICANov pp Y ha w M poq FV T bO r GW X I jX x Ho s n Q s Ho W W fn Q J Ho Lv M n Qw Ho X RXn Q GP J jX LHo Q jy U RW fI I n Q Aa GW X I R W N X RL o X x wGP O d rR i pCjX A K tr jX w N KC w Aa dW GW XTAk l GW X TA P LM B TA A K TAw i w U TA GW X EY TA R y Aa p Rl qRXn H UR C w I RX y YP A GPK w GP G J I h xGW X n Ho TAk l F Co A dm SOMESCIENCEPROBLEMSABOUTSTEELMANUFACTURINGPROCESSYINRuiyuCentralIronandSteelResearchInstitute Beijing Correspondent YINRuiyu professor Tel E mail yuanwu cisri com cnManuscriptreceived ABSTRACTManyscienceissuesofdi erentlevelanddi erentspace timescalehavebeenmetinthecourseofcognizingthedynamicoperationofsteelmanufacturingprocess Theissuesconsistoffundamentalsciencemattersofmicrocosmiclevel atomormoleculescale technologicalsciencemattersofmesoscopiclevel eldorequipmentscale andengineeringmattersofmacroscopicallevel manufacturingprocessingscale Intheproductionprocessofsteelplant theissuesofthesethreelevelsareinterrelatedandcoupling integratedandshouldbepaidmoreattentioninnewcentury Thephysicalessenceinthedynamicoperationofsteelmanufacturingprocessisthatmulti factormass owoperateinaspeci c ownetwork theframeofprocesssystem e g thegenerallayoutofsteelplant followedade niteprogram Itisasortofopenandirreversibleprocessthatisaconversionanddissipativeprocessofmaterialandenergy Thestudyonthe owactionbringsonthinkingoverthefunctionextensionofsteelmanufacturingprocesswhichisthefunctionofsteelproductmanufacture thefunctionofenergyconversionandthefunctionofwastesrecycling Furtherstudyonthestructure functionande ciencyofsteelmanufacturingprocesswouldbedeeperforsummarizing abstractinganddescribingtheconnotationfromtheengineeringsciencelevelsystematicallyandaccurately Itissigni cantfortheengineeringlogic theguidingideologyofenter prisetechnicalrevampingandthephilosophyofsteelplantreformingandthatofnewsteelplants KEYWORDSsteelmanufacturingprocess sciencelevel physicalessence functionextension EUQOM f EUQO JsS NFJ f J b h E gRX Q u SQQ w Q M j jd EUQO SS DH K voZ HZR Ff P EUXO p I Wk QO P k Ra,g qEU W 50 W%R W Q% o#Fv-DKnM )Q g2 W WV g2 WMoXQQ #Fv-D$ Q !L’ &$ Q !L’ #oXF$v-DKzDe 1H.2!a/,&j ! Gn 50 % W%R qM$ Q !L’ !g2 W iWV dnYx T x!a/ Yx T % v0 oXb 0 QW’e ( m( .Sv - &i ’ emerge !QW’eMoXjevI %!3M 0 - lmo I W! WQW( W O +H Z MoXR3 W QY )! %! B $x! T .4 +$ L’!L$!0d hR &IM W& ’1!’h!’6 R uk I Q J2syG A 50KL W M EU W 4H& iW pp3w *ZGn!Z m( P B T uv F1 l oXjb NRX KL A#(mev’em(DH p)V #V r$Gn Q Q 22x 50 T %DH Yi/7 z7 32 (T50 #50 !68 jslH3n -v ’5+ 74 h ’em( 50 qF4 #!FiW -nS8M+H V9 (KL A# IiWp6Y4:m( ’em( Tb p,Ff )V!#V q5 P 1 I7iW KLQOO )V!#V P &bH %QL’!% Ku P Q* w 2HT v # -Pv ( P !m pb &j.)’!&t5t5’ xn66m( - 650 jb qEUXO&B Q!I$Gn ( KLQO W Q !L’ XT X!Q !L’/ ;A!KI 4H n & & Pw v9$ TGn P !qQWm( ( KLQO I& iW KGn P 85,!ix T QV 0 e:H H *m( P 50 Q g v !F#$2%6 W l -!S Z C Q F$T 4H n %R& W%R!TFnXTQ !L’ h) slH.9n -! ’!235+ 1 ;.x -v -!;.bIM!-IM!H) -v ’ Z I 23 + h)!5 * Wu +:n HT W%R!TFnXTQ !q8N 77N (%K W hq77NH MQ !L’/ 8ej 8= ix p&R W %R v ( W Q S A7 X!Q !V& ’ Uj!V ( W !V& ’ %Q %q GW JRZ X n r Ho4 Table Multi levelanalysisofsteelmanufacturingprocessintermofscience Classi cationbyResearchResearchapproachHierarchySettingsystemControlscienti ccharacterscaleWhiteboxBlackboxcharacterFundamentalAtom Atom SystemMicrocosmicsIsolatedsystem nomassPLCscienceMoleculeMoleculebackgroundandenergyexchangewithexternal reversibleprocess equilibriumstateScienceofField Field Molecule IntermediaryOpensystem massPLC technologyDeviceDeviceProcessandenergyexchangeMISwithexternalEngineeringProcess Process Molecule Whole Opensystem massandMIS scienceComplexsystemProcedurerelationFieldSystemenergyexchangewithCIMSexternal irreversibleprocedure farfromequilibriumstateNote PLC programmablelogiccontrol MIS managementinformationsystem CIMS computerintegratedman ufacturingsystem K eJB #:)&’q9v! J+ 1.-,) R EO KS #1EUIM S -J+S /) h *Fv*T- S K5&tf( u mNUV P?/@2nBpm( J j 500QyEU W $50 Jpjp!*e! !, ziW zQ ev50+JV X W%R v50h u\ Mb p’em(!66m(Gn 5 QWm(Gn 5 +XQWm( T’em(!66m(Wn 50Th *XQWm(Gn KL WQW 50Th *i ’em(!66m(Ob0 50 zP pF j KL WQW F pj &X v \’ W -DX! -! v50v+ DHX& W v \’ w r - ! ’ !23 X!.9 H , Tk 50v+ +Xmv&~G+,’ #Q ‘ *i ZdR -! ’X!23 POb0 zPv : WQW=0 %Rk =0 W%R Tk0 Tk0+Q ’qziW!zQ {k W%R Tk0DH ’q W MQ !L’S 8Tu +/ Q v66e! He W%Rk DH (4 ZHDX m(x ’e +=0 & iW ’1 0t ,k EO W & t &B HdR8