棒材连铸小方坯冷热混装加热工艺实践

2004-05-201972~365000HeatingtechnologypracticeofcoldandhotcontinuouscastingbilletLixedcharginginbarsteelrollingplantZhangChunhongLinJinsongPanJianzhouTheRodMillofSangangGroupCorporationLimitedFujianAbstractThearticleputsforwardtechnicalmeasuresinproductionpracticeaccordingtotheprob-lemsofheatingfurnaceenergyconsumptionandsteelcinderraisedbycoldandhotcontinuouscastingbilletmixedchargingheatingprocess.Themeasuressavegasconsumptionreducesteelcinderandimproverollingyield.Keywordsheatingfurnacecoldandhotcontinuouscastingbilletmixedchargingsolution1120t225695mm*8700mm70thHRB335HRB400150*150*8000199730200378100th199822.112052Vol.24No.1Jan.2005ENERGYFORMETALLURGICALINDUSTRY1CgWm2.K4-1CfWm2.K4-111aBE0.575+150E225mm5330s2950~1050࠷HRB335HRB400880࠷A3A1→→1࠷≥720112085011708509708100950810010508301100830920800≤7181100850115085090081009008100102083010508309208002࠷࠷20~90m:;1000830107083010m:;1~2900830102083020m:;2~480083095083040m:;470083075083090m:;312900࠷11000࠷21300࠷72.21220534492==R?@ABRC=DAEEFR?GHAEGIFJDR@KLM.24L.1NO;.200551232634K152.311.01%0.85%80t20002000*80*1.01-0.85%E256255m350m314630kJm30.4755-50*80*0.47E1884443244ENERGYFORMETALLURGICALINDUSTRYVol.24No.1Jan.2005