產品介紹

石(shi)(shi)腦(nao)油(you)(you)(naphtha)是石(shi)(shi)油(you)(you)產(chan)品之一(yi)，又叫化工(gong)輕(qing)油(you)(you)，是以原(yuan)油(you)(you)或其他(ta)原(yuan)料加工(gong)生(sheng)產(chan)的用(yong)于化工(gong)原(yuan)料的輕(qing)質油(you)(you)，主要用(yong)作重(zhong)整和化工(gong)原(yuan)料。因用(yong)途(tu)不(bu)同有各種(zhong)不(bu)同的餾程(cheng)，中國規定(ding)餾程(cheng)為(wei)初餾點至220℃左右。作為(wei)生(sheng)產(chan)芳(fang)烴(jing)的重(zhong)整原(yuan)料時(shi)，采用(yong)70℃~145℃餾分(fen)，稱(cheng)輕(qing)石(shi)(shi)腦(nao)油(you)(you);當以生(sheng)產(chan)高辛烷值(zhi)汽油(you)(you)為(wei)目(mu)的時(shi)，采用(yong)70℃~180℃餾分(fen)，稱(cheng)重(zhong)石(shi)(shi)腦(nao)油(you)(you);用(yong)作溶劑(ji)時(shi)，則稱(cheng)溶劑(ji)石(shi)(shi)腦(nao)油(you)(you);來自(zi)煤焦油(you)(you)的芳(fang)香族溶劑(ji)也稱(cheng)重(zhong)石(shi)(shi)腦(nao)油(you)(you)或溶劑(ji)石(shi)(shi)腦(nao)油(you)(you)。

主要應用

主要用(yong)途： 可分(fen)離出多種(zhong)有機原料，如汽油、苯、煤油、瀝青等。石腦(nao)油是(shi)一種(zhong)輕質油品，由原油蒸餾(liu)或石油二(er)次加工(gong)切(qie)取相應餾(liu)分(fen)而(er)得(de)。其沸點(dian)范圍依需要而(er)定(ding)，通常為較寬的餾(liu)程，如30-220℃。

石(shi)腦(nao)(nao)油(you)(you)(you)是管式爐裂(lie)解制取(qu)乙烯，丙烯，催化重(zhong)整制取(qu)苯，甲(jia)苯，二甲(jia)苯的重(zhong)要(yao)原(yuan)料(liao)。作為(wei)(wei)裂(lie)解原(yuan)料(liao)，要(yao)求石(shi)腦(nao)(nao)油(you)(you)(you)組(zu)成(cheng)(cheng)中(zhong)(zhong)烷(wan)(wan)(wan)烴和環(huan)烷(wan)(wan)(wan)烴的含量不低于70%(體積);作為(wei)(wei)催化重(zhong)整原(yuan)料(liao)用(yong)(yong)于生(sheng)(sheng)產高(gao)辛烷(wan)(wan)(wan)值汽油(you)(you)(you)組(zu)分(fen)時，進(jin)(jin)料(liao)為(wei)(wei)寬餾(liu)分(fen)，沸點(dian)范(fan)圍(wei)一(yi)般為(wei)(wei)80-180℃，用(yong)(yong)于生(sheng)(sheng)產芳(fang)烴時，進(jin)(jin)料(liao)為(wei)(wei)窄餾(liu)分(fen)，沸點(dian)范(fan)圍(wei)為(wei)(wei)60-165℃。國外常(chang)用(yong)(yong)的輕(qing)(qing)質直(zhi)餾(liu)石(shi)腦(nao)(nao)油(you)(you)(you)沸程為(wei)(wei)0-100℃，重(zhong)質直(zhi)餾(liu)石(shi)腦(nao)(nao)油(you)(you)(you)沸程為(wei)(wei)100-200℃;催化裂(lie)化石(shi)腦(nao)(nao)油(you)(you)(you)有<105℃，105-160℃及(ji) 160-200℃的輕(qing)(qing)、中(zhong)(zhong)、重(zhong)質三(san)種。實際關(guan)聯：由于石(shi)腦(nao)(nao)油(you)(you)(you)市場價格遠(yuan)低于車用(yong)(yong)無鉛(qian)汽油(you)(you)(you)(噸價差達600-1200元)，使用(yong)(yong)石(shi)腦(nao)(nao)油(you)(you)(you)和石(shi)化助劑調配車用(yong)(yong)無鉛(qian)汽油(you)(you)(you)已(yi)成(cheng)(cheng)為(wei)(wei)民營(ying)石(shi)化企業增加成(cheng)(cheng)品油(you)(you)(you)利(li)潤的重(zhong)要(yao)方式。