高炉炼铁英文文献翻译Word格式文档下载.docx

高炉炼铁英文文献翻译Word格式文档下载.docx

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QingGongCollegeNorthChinaUniversityofScienceandTechnology

毕业中英文翻译

（英译汉）

设计题目：

三座120t的氧气转炉炼钢车间工艺设计

学生姓名：

崔军坡

学号：

201224370501

专业班级：

12拓展五班

学部：

知行书院

指导教师：

贾雅楠

2016年05月19日

Iron-smeltingTechnologicalDevelopmentandWorkingofBlastFurnace

Inrecentyears,Chinasmeltedironisatthehighspeeddevelopmentphase,in2007thenationalpigironoutputachievedhundredmilliont,grew%comparedtothepreviousyear,itsincreasedrangewaslowerthanthesteeloutputthesametimeincreasedrange,accountedfortheworldultimateoutput49,74%.In2007nationalkeysteelandironbusinessimmovablepropertyiron369,000,000t,grew%comparedtothelastyear,otherbusinessimmovablepropertyiron120,000,000t,grew%.Theplaceenterpriseironoutputspeed-upishigherthanthelargeandmiddlescaleironandsteel2008thefirsthalfyearnationproduceshard246,420,000t,grows%comparedtothepreviousyear,reducedthedevelopmentisestimatedthat,in2008ourcountrysteeloutputachieved520,000,000t,thepigironoutputwillachieve490,000,000year,ourcountrywillsmeltironproductivitytosurpass600,000,000t,butShangYouyue60,000,000t/,yearproductivitybelongedtorowoftheelimination（willmainlybebelow300mthevolume

Theabovesituationindicatedthat,theplaceironworksdevelopmenttendencywasstillinishigherthanthenationlargeandmiddlescaleironandsteelGangandTaiyuanSteelWorkscompletethe4063mblastfurnace,enableourcountrytohave74000mlevelblastpresentisconstructingthe4000mlevelblastfurnace（thissteel,theAnshanIronandSteelCompany）have4,ShaGangandBeijingTangCompanyareconstructingthe5500mlevelblastfurnaceandthe5800mlevelblastbatcharebiggerthanthe2500mlevelblastfurnacetoconstruct,impelledourcountryblastfurnacelargescaleadvancementgreatly.

AtpresentChinahasmorethan1300blastfurnaces,isbiggerthanthelO00mvolumeblastfurnacetohave150approximately,the300~lO00mblastfurnaceapproximatelymorethan500places,issmallerthanthe300mblastfurnacetohavemorethan600placesnationhasmorethan980iron-smeltingenterprisesindicatedthat,theChineseiron-smeltingindustryconcentrationdegreeislow,blastfurnaceaveragestoveRongPianxiao,isbeinginthedifferentlevel,thedifferentstructure,manykindsofproductiontechnicallevelcommunaldevelopmentstage,alsoisatthehighspeeddevelopmenttheChinesepigironoutputthecrestisabove600,000,000t.

Alongwithourcountrypigironoutputhighspeedgrowth,theblastfurnaceiron-smeltingproductiontechnicallevelalsoobtainsthefast1forrecentyearsOurcountryKeyIronandsteelenterpriseblastfurnaceiron-smeltingtechnologyeconomicentersin2008thecrudefueltoriseinprices,themassfluctuation,theblastfurnaceiron-smeltingproductiontargethasglidesdown.

TheChineseblastfurnaceiron-smeltingproductiontechnologyisintheworldadvancedlevel,theblastfurnaceoperationtechnologyentersthematuredevelopmenttheBaoshanSteelCorporation,WuhanSteelCorporation,BeijingSteelCorporation,theAnshanIronandSteelCompany,hasrealizedthehighlyeffectiveproductionasrepresentative'

sonebatchoflarge-scaleblastfurnaces（coefficientabove,fuelratioislowerthan500kg/t,lifereachesfor15yearsbysuperiorly）.Myguozhongsmallfurnaceproductiontechnologyalreadywasmanyyearsmovesinthehigh-techlevel,onebatchof300~750mblastfurnacecapacityfactorabove,highestreached,enteredtheovencokeratiotobelowerthan400kg/t,spurtedthecoaltocompareabove150kg/,betweentheenterprisethetechnologicaldevelopmentisnotbalanced,afterShangYouonefailedanexaminationthetargetexistence.

Inrecentyears,ourcountryhot-blasttemperatureeliminatedmanyyearstopacebackandforth,theprogresswasbig,thiswaseverybodydiligently2007ourcountrykeyhotblasttemperatureratiopreviousyearenhances25&

#8451;

.Speciallythenewconstructiononebatchofbigblastfurnaces（arebiggerthanthe2000maboveblastfurnace）thehot-blasttemperaturetobepossibleabove1200oC,itslifealsoabove25years,achievestheinternationaladvancedhot-blaststovepatternalsodiversifies,thebigblastfurnacemultipurposeexternalcombustiontypeandtheinternallyfiredtype（BeijingSteelCorporationBeijingTangtheCompany5500mblastfurnaceburnstypewithCarewJinding）,thesmallfurnaceusefulballtypehot-blaststove,allhasthesuccessfulexample,mayrealizethenoblecharactertocountryhot-blaststovedesign,themanufacture,theconstruction,aspectsandsoonproductionmayrealizethemanufacturedomestically.Onlyisintheusematerialquality,thestructuraldesign,theblastsystemsafeguardandblastoperationsystemaspectsandsoonsciencehassomeflaws,needsto