資源描述:
《青鋼高爐渣中適宜鎂鋁比探討和實(shí)踐7.doc》由會(huì)員上傳分享,免費(fèi)在線閱讀,更多相關(guān)內(nèi)容在工程資料-天天文庫(kù)。
1、青鋼高爐渣中適宜鎂鋁比的探討與實(shí)踐張宏星安秀偉2,王東彳(1北京科技大學(xué);2青島特殊鋼鐵有限公司)摘要:通過(guò)理論分析結(jié)合青鋼新老廠區(qū)多年現(xiàn)場(chǎng)實(shí)際生產(chǎn)情況,對(duì)高爐渣中合理鎂鋁比進(jìn)行了探討,結(jié)果顯示高爐適宜的鎂鋁比很大程度上取定于高爐的原燃料條件和操作環(huán)境。青鋼原燃料條件下,老區(qū)500m3高于適宜的鏤鋁為0.65左右,新區(qū)1800川高爐適宜的鎂鋁比為0.50左右,后期隨冶煉條件的改善,可繼續(xù)降低。關(guān)鍵詞高爐渣物理熱鎂鋁比粘度ExplorationandinvestigationtoSuitableforMg
2、O-Al2O3RatioofBlastFurnaceSlagofQingsteelZHANGHongxingu2ANXiuwei2WangDong2(1.UniversityofScienceandTechnologyBeijing;2.QingdaoSpecialSteelCo.,Ltd)AbstractTheoreticalanalysiscombinedwiththeyearsofactualproductionconditioninthenewdistrictandtheolddistricto
3、fQingsteel,showedthatthesuitableforMgO?AI2O3ratioofblastfurnaceslagmuchdependedonthecurrentconditionsofrawmaterial,fuelandtheblastfurnaceoperation.AttheconditionsofQingsteel,thesuitableforMgO-A12O3ratioofblastfurnaceslagisabout0.65fortheblastfurnaceof500
4、m3intheolddistrict,andisabout0.50fortheblastfurnaceof1800m3inthenewdistrict,whichcanbecontinuedtoreduce,withtheimprovementofoperatingcondition?KeywordsblastfurnaceslagphysicalthermalMgO-Al2O3ratioviscosity青鋼新老廠區(qū)情況簡(jiǎn)介青鋼老區(qū)原有6座5OOm3立方高爐,全部使用進(jìn)口礦,焦炭使用二級(jí)冶金焦,高爐富
5、氧率為2%,煤比170kg,熱風(fēng)溫度為1090°C,塊礦比例在20%左右。經(jīng)多次工業(yè)實(shí)驗(yàn),最終確定高爐渣中適宜的鎂鋁比為0.65左右,并以此為指導(dǎo)保持了高爐的長(zhǎng)期穩(wěn)定順行。青鋼董家口新區(qū)一期工程于2015年實(shí)現(xiàn)鐵■鋼■軋全線貫通。一期建設(shè)有兩座1800m3高爐,其中1#高爐于2015年11月2日點(diǎn)火開(kāi)爐,2#高爐將于近期擇機(jī)開(kāi)爐投產(chǎn)。1#高爐投產(chǎn)以來(lái),所用原料全部為進(jìn)口外礦,所用焦炭為自產(chǎn)7m青鋼高爐渣中適宜鎂鋁比的探討與實(shí)踐張宏星安秀偉2,王東彳(1北京科技大學(xué);2青島特殊鋼鐵有限公司)摘要:通過(guò)理論
6、分析結(jié)合青鋼新老廠區(qū)多年現(xiàn)場(chǎng)實(shí)際生產(chǎn)情況,對(duì)高爐渣中合理鎂鋁比進(jìn)行了探討,結(jié)果顯示高爐適宜的鎂鋁比很大程度上取定于高爐的原燃料條件和操作環(huán)境。青鋼原燃料條件下,老區(qū)500m3高于適宜的鏤鋁為0.65左右,新區(qū)1800川高爐適宜的鎂鋁比為0.50左右,后期隨冶煉條件的改善,可繼續(xù)降低。關(guān)鍵詞高爐渣物理熱鎂鋁比粘度ExplorationandinvestigationtoSuitableforMgO-Al2O3RatioofBlastFurnaceSlagofQingsteelZHANGHongxingu2
7、ANXiuwei2WangDong2(1.UniversityofScienceandTechnologyBeijing;2.QingdaoSpecialSteelCo.,Ltd)AbstractTheoreticalanalysiscombinedwiththeyearsofactualproductionconditioninthenewdistrictandtheolddistrictofQingsteel,showedthatthesuitableforMgO?AI2O3ratioofblast
8、furnaceslagmuchdependedonthecurrentconditionsofrawmaterial,fuelandtheblastfurnaceoperation.AttheconditionsofQingsteel,thesuitableforMgO-A12O3ratioofblastfurnaceslagisabout0.65fortheblastfurnaceof500m3intheolddistrict,andis