http://www.kadhoai.com.cn 2026-05-02 10:49:11 來源:西門子工業集團
• 廢鋼或海綿鐵使用比例可靈活變化
• 噴煤和二次燃燒引入更多能量
• 改進的配比方法提高了收得率和能源效率
• 鋼水脫碳和脫硫效果好

西門子冶金技術部依靠噴吹工藝為轉爐操作提供了一種能夠使用多達100%feiganghehaimiantiedefangan,shiliangangshengchanqiyenenggoulinghuodiyingduiyuanliaodegongyingpingjinghejiagededuanqibodong。caiyonggaifangandedichuizhuanlunenggoutongguoludifengkoupenchuiyangqi、shihuihemei,hainengliyongyizhidingqiangchuirurefeng,yixiangrongchiyinrugengduodenengliang。penchuigongyicaiyongmokuaihuasheji,jishiheyuxinjianxiangmu,yeshiheyuxianyoushebeidegaizao。
廢鋼和直接還原鐵(海綿鐵)jiagedexiadieyijilaizigonggongjiandujigouzaieryanghuatanjianpaifangmiandeyali,cushigangtieqiyenulitigaozhuanluliangangdefeiganghehaimiantiedeshiyongbili。youyujiagebodongfuduyuelaiyueda,youbiyaogenjushichangzhuangkuanglinghuoditiaozhengfeiganghehaimiantiedeyongliang;廢鋼或海綿鐵使用比例的增加,又導致需要引入更多的能量以保持鋼水溫度。
為了滿足這些要求,西門子開發了一種配備底吹係統和熱風槍的轉爐。氧氣、石灰和煤可以通過爐底風口吹入熔池。另外,一支頂槍被用來在熔池上方吹入富氧量高達40%、溫度約為1,300°C的(de)熱(re)風(feng)。除(chu)了(le)溫(wen)度(du)高(gao),熱(re)風(feng)的(de)速(su)度(du)和(he)流(liu)量(liang)也(ye)很(hen)大(da),因(yin)而(er)具(ju)有(you)出(chu)色(se)的(de)混(hun)合(he)效(xiao)果(guo),不(bu)僅(jin)使(shi)熔(rong)池(chi)放(fang)出(chu)的(de)一(yi)氧(yang)化(hua)碳(tan)幾(ji)乎(hu)完(wan)全(quan)被(bei)燃(ran)燒(shao),而(er)且(qie)優(you)化(hua)了(le)二(er)次(ci)燃(ran)燒(shao)熱(re)量(liang)向(xiang)鋼(gang)水(shui)的(de)傳(chuan)播(bo)。熱(re)風(feng)來(lai)自(zi)於(yu)一(yi)台(tai)能(neng)效(xiao)超(chao)過(guo)95%的卵石加熱器。另外,轉爐還配備了冷卻煙道,以充分利用廢氣的餘熱。
dichuizhuanlujuyouhenduoyoudian。julilaishuo,dichuiyangqisheliuqizhegeqiangdezuoyong,tongchuantongzhuanluxiangbi,nenggoufeichangqingsongdiqiegedaironghuadedakuaifeigang。shihuifendepenchuijiasulezaozhahetuoliu,congergaishanlegongyikongzhi。dichuihainenggoujiangdizhazhongtieheyanghuatiedehanliang,jianshaozhadezongliang,jianqingtiedehuifa,congerxianzhutigaozhuanluliangangdejinshushoudelvhelirunlv。meidepenchuiliangkeyidafanweigaibian。zhexietedianbaozhenglegenjudangqiandeshichangjiageqingsongdikuaisutiaozhengyuanliaodegoucheng。
噴pen吹chui工gong藝yi尤you其qi適shi用yong於yu那na些xie廢fei鋼gang或huo海hai綿mian鐵tie比bi鐵tie水shui便bian宜yi的de地di區qu。同tong時shi,它ta也ye適shi合he於yu解jie決jue鐵tie水shui來lai源yuan受shou限xian的de問wen題ti,無wu論lun受shou限xian原yuan因yin是shi計ji劃hua內nei的de生sheng產chan擴kuo建jian、暫時性的高爐停產還是政府排放規定導致的限產。噴吹工藝已於2013年年中在亞洲的一家鋼廠成功投入應用。
caiyongrefengjishudedichuizhuanlushiximenzidetezhongzhuanluzhiyi,dadazengjialegangtieqiyeyuanliaoshiyongdelinghuoxing,youqishishixianlefeiganghuohaimiantiededabilishiyong。zhezhongzhuanlunenggoushiyongduoda100%的廢鋼或海綿鐵,比例遠遠高於普通的LD(BOF)轉爐。因此,這些特種轉爐填補了傳統轉爐和電弧爐生產流程之間的空白。