唐鋼150t轉(zhuǎn)爐濺渣護(hù)爐工藝系統(tǒng)優(yōu)化的實驗研究

1、中圖分類號：!￡213：三!學(xué)科分類號：壘5Q!三52Q論文編號：HBLG07—016密級：公玨河tD理z大學(xué)碩士學(xué)位論文唐鋼150t轉(zhuǎn)爐濺渣護(hù)爐工藝系統(tǒng)優(yōu)化的實驗研究作者姓名：豎墮專業(yè)名稱：翅迭冶金研究方向：筮鋼學(xué)習(xí)單位：塑j壁堡王盤堂學(xué)習(xí)時間：避提交日期：2QQ2生Q三旦Q量旦申請學(xué)位類別：王堂亟導(dǎo)師姓名：至主塹墊蕉單位：塑些堡三盤堂查金生絲婆鱟隆姓名：盆查苤壺三單位：壁出塑叢苤國查匿盤堡塵蜀論文評閱人：型鑒高三單位：壁出塑叢塞旦盔

2、噬盍堡塵蜀至塑咽絲蕉單位：塑j墾堡三盤堂盜壘墨絲逐鱟瞳論文答辯日期：至Q壘Z生壁壘旦Q2旦答辯委員會主席：盎皇絲塾蕉關(guān)鍵詞：濺渣護(hù)爐；冷態(tài)模擬；熔渣粘度；工藝優(yōu)化；氣化脫磷唐山河北理工大學(xué)2007年4月河北理工大學(xué)碩士學(xué)位論文AbstractUsingslagsplashingtechnologythelifeofconverterliningearlbeincreasedwidelytheconsumptionofrefractory

3、materialandsteelmaterialcanbedecreasedandthemaintenancetimeofconverterdanalsobedecreasedSotheslagsplashingtechnologybringsasignificanteconomicbenefitforsteelproductionInthisatticlefirstlycoldmodelexperimentalresearchisca

4、rriedoutforprovidingexperimentalbasisforslagsphshingtechnologyparameteroptimizationandapplicationofslagsplashingin150tontopbottomcombinedblowingconverterofTangshanIronandSteelCorporationSecondlythroughtheindustrialtestof

5、gaseousdephosphorizationinthecourseofslagsplashingin150toncollvcrtcrofTangshanIronandSteelCorporation，therelationbetweeneachmajorfactorandthedephosphorizationratioisdeterminedThefianalslagofconverterhasproperviscosityand

6、oxidizabilityandtheregulationsystemoffianalslagisoptimizedsotheeffectofslagsplashingandtheerosionresistingcharacteristicsofslagblanketarcbothimprovedThecoldmodelingexperimentsindicatesthat，oilthewholeSUlfaceofliningthesl

7、agdensitybecomesbiggerastheincreasingtopblowinggasrateAccordingtothepracticalconditionof150tonconverterofTangshanIronandSteelCorporationthetopblowingfluxshouldbelimited36000m3‘h1approximiatelyThelancepositionof24mcanbeth

8、oughtastheoptimumforpracticalslagsplashingbutitcanbelowerediftheslaganaountincreasesTheoptimumremainedslagamotmtshouldbelimited越10％ofthetotalslagTheslagviscosityshouldbepeopcriewhentheviscosityofslagisO056Pasinpractice，t

9、heeffectofslagsplashingisbestConsideringthepracticalconditionslagsplashingeffectisbestiftheslopeangleofconverterbodyis27。beforeslagsplashingprocessAccordingtotheindustrialtestofgaseousdephosphorizationinthecourseofslagsp

10、lashingtherelationbetweeneachfactorandthedephosphorizationratioisdeterminedWhentheamountofremainedslagis9000kgintheprocessofsmeltingSPHCsteel，theoptimumamountofcarbonreducingmatteris650kg，andthedephosphofizationratieache