真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)熔(rong)(rong)煉(lian)爐(lu)(lu)能(neng)防(fang)止稀(xi)有金(jin)(jin)(jin)屬(shu)(shu)(shu)受(shou)大氣污染(ran)(ran)嗎 　　19世紀80年(nian)初，真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)技(ji)術(shu)真(zhen)(zhen)(zhen)(zhen)正用(yong)到(dao)冶金(jin)(jin)(jin)工業上。時(shi)至今日，真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)冶金(jin)(jin)(jin)技(ji)術(shu)應(ying)用(yong)越(yue)來越(yue)成(cheng)熟，從應(ying)用(yong)鋼鐵處理到(dao)有色金(jin)(jin)(jin)屬(shu)(shu)(shu)處理，從粗金(jin)(jin)(jin)屬(shu)(shu)(shu)到(dao)高(gao)(gao)(gao)純(chun)度金(jin)(jin)(jin)屬(shu)(shu)(shu)。真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)熔(rong)(rong)煉(lian)就(jiu)是真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)冶金(jin)(jin)(jin)中重要(yao)的(de)(de)(de)(de)一部(bu)分。真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)熔(rong)(rong)煉(lian)爐(lu)(lu)具(ju)有以(yi)下特(te)點。 　　1、真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)熔(rong)(rong)煉(lian)爐(lu)(lu)能(neng)防(fang)止稀(xi)有金(jin)(jin)(jin)屬(shu)(shu)(shu)受(shou)大氣和耐(nai)火材(cai)料的(de)(de)(de)(de)污染(ran)(ran)。 　　2、真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)有凈化(hua)提(ti)純(chun)作(zuo)用(yong)，可(ke)獲(huo)得含氣量低(di)、夾雜(za)少、偏析小、力學性能(neng)及(ji)加工性能(neng)優良的(de)(de)(de)(de)金(jin)(jin)(jin)屬(shu)(shu)(shu)及(ji)合金(jin)(jin)(jin)。是獲(huo)得高(gao)(gao)(gao)純(chun)、高(gao)(gao)(gao)質量金(jin)(jin)(jin)屬(shu)(shu)(shu)材(cai)料的(de)(de)(de)(de)好方法。 　　3、真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)熔(rong)(rong)煉(lian)爐(lu)(lu)的(de)(de)(de)(de)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)電弧(hu)(hu)可(ke)獲(huo)得2000℃以(yi)上的(de)(de)(de)(de)高(gao)(gao)(gao)溫(wen)，可(ke)滿足高(gao)(gao)(gao)熔(rong)(rong)點金(jin)(jin)(jin)屬(shu)(shu)(shu)的(de)(de)(de)(de)熔(rong)(rong)煉(lian)要(yao)求。 　　4、通常(chang)真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)熔(rong)(rong)煉(lian)是基于真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)下的(de)(de)(de)(de)進行高(gao)(gao)(gao)溫(wen)熔(rong)(rong)煉(lian)之后的(de)(de)(de)(de)提(ti)純(chun)金(jin)(jin)(jin)屬(shu)(shu)(shu)。真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)熔(rong)(rong)煉(lian)的(de)(de)(de)(de)方法具(ju)體有：電子束(shu)熔(rong)(rong)煉(lian)、真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)感應(ying)熔(rong)(rong)煉(lian)、真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)電弧(hu)(hu)爐(lu)(lu)熔(rong)(rong)煉(lian)、等離子爐(lu)(lu)熔(rong)(rong)煉(lian)。 　　5、真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)熔(rong)(rong)煉(lian)爐(lu)(lu)的(de)(de)(de)(de)熔(rong)(rong)煉(lian)速度和加熱速度可(ke)以(yi)在(zai)較大范圍(wei)調節(jie)，有利于液態中的(de)(de)(de)(de)碳和氧反應(ying)，擴(kuo)散(san)能(neng)力低(di)的(de)(de)(de)(de)雜(za)質能(neng)擴(kuo)散(san)到(dao)熔(rong)(rong)體蒸發(fa)去除。功率密度高(gao)(gao)(gao)，可(ke)達到(dao)104—108W/cm2， 熔(rong)(rong)池表面溫(wen)度高(gao)(gao)(gao)、可(ke)調;同時(shi)，電子束(shu)對金(jin)(jin)(jin)屬(shu)(shu)(shu)熔(rong)(rong)體有攪拌作(zuo)用(yong)。 　　6、真(zhen)(zhen)(zhen)(zhen)空(kong)(kong)(kong)(kong)(kong)熔(rong)(rong)煉(lian)爐(lu)(lu)用(yong)水(shui)冷銅坩堝凝固鑄錠，不被耐(nai)火材(cai)料污染(ran)(ran)。可(ke)得到(dao)很高(gao)(gao)(gao)的(de)(de)(de)(de)溫(wen)度，能(neng)熔(rong)(rong)化(hua)任何難熔(rong)(rong)金(jin)(jin)(jin)屬(shu)(shu)(shu)，也(ye)可(ke)熔(rong)(rong)化(hua)非金(jin)(jin)(jin)屬(shu)(shu)(shu)。

　　如何維護(hu)保養真(zhen)(zhen)(zhen)空(kong)(kong)甩帶(dai)爐(lu) 　　如何維護(hu)保養真(zhen)(zhen)(zhen)空(kong)(kong)甩帶(dai)爐(lu)？這就(jiu)是今天小(xiao)編(bian)和大家介紹的(de)(de)(de)內(nei)容(rong)。 　　1、操作人員要(yao)(yao)了(le)解真(zhen)(zhen)(zhen)空(kong)(kong)甩帶(dai)爐(lu)的(de)(de)(de)各(ge)(ge)(ge)種(zhong)外表、泵(beng)，設備(bei)(bei)(bei)的(de)(de)(de)各(ge)(ge)(ge)部(bu)(bu)(bu)分(fen)(fen)(fen)(fen)。閱覽(lan)并了(le)解各(ge)(ge)(ge)種(zhong)說明書。 　　2、冷(leng)卻水(shui)(shui)(shui)(shui)水(shui)(shui)(shui)(shui)壓(ya)應(ying)(ying)(ying)堅持0.1～0.2Mpa之(zhi)間(jian)，出(chu)水(shui)(shui)(shui)(shui)溫度(du)≤45℃。； 　　3、壓(ya)縮空(kong)(kong)氣(qi)(qi)(qi)(qi)(qi)壓(ya)力(li)在0.4～0.5Mpa之(zhi)間(jian)。 　　4、每爐(lu)開機(ji)(ji)前，要(yao)(yao)查(cha)看維護(hu)氣(qi)(qi)(qi)(qi)(qi)的(de)(de)(de)氣(qi)(qi)(qi)(qi)(qi)瓶容(rong)量(liang)，避免氣(qi)(qi)(qi)(qi)(qi)體(ti)充(chong)缺乏，更(geng)換氣(qi)(qi)(qi)(qi)(qi)瓶。 　　5、開機(ji)(ji)后如有異常(chang)(chang)情(qing)況，應(ying)(ying)(ying)立即掃除或停機(ji)(ji)查(cha)找緣由。 　　6、常(chang)(chang)常(chang)(chang)查(cha)看各(ge)(ge)(ge)部(bu)(bu)(bu)分(fen)(fen)(fen)(fen)的(de)(de)(de)回水(shui)(shui)(shui)(shui)量(liang)，作業時(shi)應(ying)(ying)(ying)確保各(ge)(ge)(ge)部(bu)(bu)(bu)分(fen)(fen)(fen)(fen)有足(zu)夠的(de)(de)(de)冷(leng)卻水(shui)(shui)(shui)(shui)。 　　7、真(zhen)(zhen)(zhen)空(kong)(kong)甩帶(dai)爐(lu)停止運(yun)(yun)用(yong)時(shi)，應(ying)(ying)(ying)將(jiang)爐(lu)內(nei)氣(qi)(qi)(qi)(qi)(qi)體(ti)抽暇，長期不(bu)(bu)必，要(yao)(yao)充(chong)入(ru)維護(hu)性氣(qi)(qi)(qi)(qi)(qi)體(ti)，并把設備(bei)(bei)(bei)水(shui)(shui)(shui)(shui)冷(leng)套(tao)內(nei)的(de)(de)(de)循環水(shui)(shui)(shui)(shui)放掉。 　　8、機(ji)(ji)械泵(beng)、羅(luo)茨(ci)泵(beng)應(ying)(ying)(ying)定時(shi)換油(you)加油(you)，羅(luo)茨(ci)泵(beng)的(de)(de)(de)油(you)杯中要(yao)(yao)堅持一(yi)向(xiang)有油(you)。換油(you)時(shi)必定把廢油(you)放潔(jie)凈(jing)。 　　9、分(fen)(fen)(fen)(fen)散泵(beng)換油(you)時(shi)，內(nei)部(bu)(bu)(bu)如有氧化，要(yao)(yao)把分(fen)(fen)(fen)(fen)散泵(beng)內(nei)部(bu)(bu)(bu)的(de)(de)(de)氧化層處置潔(jie)凈(jing)，然后再(zai)換上新(xin)油(you)。 　　10、充(chong)入(ru)的(de)(de)(de)維護(hu)性氣(qi)(qi)(qi)(qi)(qi)體(ti)，純度(du)不(bu)(bu)該小(xiao)于(yu)99.99%。 　　11、本設備(bei)(bei)(bei)不(bu)(bu)允許運(yun)(yun)用(yong)易燃易爆和具(ju)有腐蝕(shi)性氣(qi)(qi)(qi)(qi)(qi)體(ti)作為維護(hu)氣(qi)(qi)(qi)(qi)(qi)氛。 　　12、設備(bei)(bei)(bei)外表及外表外表要(yao)(yao)堅持清潔(jie)，擦(ca)洗爐(lu)體(ti)內(nei)壁不(bu)(bu)允許有帶(dai)有水(shui)(shui)(shui)(shui)份及沾(zhan)有非真(zhen)(zhen)(zhen)空(kong)(kong)類用(yong)油(you)的(de)(de)(de)抹布擦(ca)洗。 　　13、氣(qi)(qi)(qi)(qi)(qi)動(dong)體(ti)系(xi)的(de)(de)(de)氣(qi)(qi)(qi)(qi)(qi)動(dong)三連件(jian)上的(de)(de)(de)油(you)水(shui)(shui)(shui)(shui)分(fen)(fen)(fen)(fen)離(li)器要(yao)(yao)常(chang)(chang)常(chang)(chang)放水(shui)(shui)(shui)(shui)，油(you)霧器內(nei)應(ying)(ying)(ying)寫入(ru)真(zhen)(zhen)(zhen)空(kong)(kong)分(fen)(fen)(fen)(fen)散泵(beng)油(you)。 　　14、設備(bei)(bei)(bei)的(de)(de)(de)整機(ji)(ji)電(dian)壓(ya)要(yao)(yao)確保在350～420V范圍內(nei)。三相要(yao)(yao)平衡。 　　15、真(zhen)(zhen)(zhen)空(kong)(kong)甩帶(dai)爐(lu)的(de)(de)(de)規管、電(dian)接點壓(ya)力(li)表、熱偶等處要(yao)(yao)常(chang)(chang)常(chang)(chang)涂上分(fen)(fen)(fen)(fen)散泵(beng)油(you)，使(shi)之(zhi)與座之(zhi)間(jian)構成一(yi)層油(you)膜，避免漏(lou)氣(qi)(qi)(qi)(qi)(qi)。以上各(ge)(ge)(ge)部(bu)(bu)(bu)分(fen)(fen)(fen)(fen)及法蘭(lan)連接處不(bu)(bu)允許長期運(yun)(yun)用(yong)真(zhen)(zhen)(zhen)空(kong)(kong)封泥密封。