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煤焦瀝青應用領域

瀝(li)(li)(li)青(qing)(qing)(qing)(qing)焦(jiao)(jiao)是(shi)煤瀝(li)(li)(li)青(qing)(qing)(qing)(qing)經高溫(wen)(wen)干餾或延(yan)遲(chi)焦(jiao)(jiao)化(hua)后(hou)所得到的(de)固體殘(can)留物。應用學(xue)科(ke)屬于煤炭科(ke)技(ji)（一級(ji)學(xue)科(ke)），煤炭加工(gong)利(li)用（二級(ji)學(xue)科(ke)），煤轉化(hua)（三級(ji)學(xue)科(ke)）。瀝(li)(li)(li)青(qing)(qing)(qing)(qing)焦(jiao)(jiao)是(shi)一種(zhong)低硫(liu)分(fen)(fen)、低灰分(fen)(fen)的(de)優質焦(jiao)(jiao)炭，也是(shi)一種(zhong)易石(shi)墨(mo)化(hua)炭。瀝(li)(li)(li)青(qing)(qing)(qing)(qing)焦(jiao)(jiao)其(qi)實是(shi)煤瀝(li)(li)(li)青(qing)(qing)(qing)(qing)在焦(jiao)(jiao)爐(lu)中(zhong)經高溫(wen)(wen)（>1100℃）焦(jiao)(jiao)化(hua)而(er)獲得的(de)終產品。按軟化(hua)點（環球法）不同分(fen)(fen)為(wei)低溫(wen)(wen)瀝(li)(li)(li)青(qing)(qing)(qing)(qing)、中(zhong)溫(wen)(wen)瀝(li)(li)(li)青(qing)(qing)(qing)(qing)和高溫(wen)(wen)瀝(li)(li)(li)青(qing)(qing)(qing)(qing)三種(zhong)，生(sheng)(sheng)產瀝(li)(li)(li)青(qing)(qing)(qing)(qing)焦(jiao)(jiao)主要用中(zhong)溫(wen)(wen)瀝(li)(li)(li)青(qing)(qing)(qing)(qing)或高溫(wen)(wen)瀝(li)(li)(li)青(qing)(qing)(qing)(qing)為(wei)原料。瀝(li)(li)(li)青(qing)(qing)(qing)(qing)焦(jiao)(jiao)是(shi)生(sheng)(sheng)產人造石(shi)墨(mo)制品和鋁電解工(gong)業所用陽極糊(hu)及預焙陽極的(de)原料。亦有瀝(li)(li)(li)青(qing)(qing)(qing)(qing)焦(jiao)(jiao)生(sheng)(sheng)產廠家生(sheng)(sheng)產加工(gong)瀝(li)(li)(li)青(qing)(qing)(qing)(qing)焦(jiao)(jiao)作為(wei)增(zeng)碳(tan)劑。瀝(li)(li)(li)青(qing)(qing)(qing)(qing)焦(jiao)(jiao)化(hua)學(xue)式： Si(OC2H5) 。