焦(jiao)(jiao)(jiao)炭(tan)用(yong)(yong)(yong)(yong)途(tu)焦(jiao)(jiao)(jiao)炭(tan)主要用(yong)(yong)(yong)(yong)于高(gao)爐(lu)(lu)煉(lian)鐵(tie)和用(yong)(yong)(yong)(yong)于銅、鉛、鋅、鈦、銻、汞等有(you)(you)色金(jin)屬的(de)(de)(de)(de)鼓風爐(lu)(lu)冶(ye)煉(lian)，起還(huan)原劑、發(fa)熱劑和料柱(zhu)骨架作(zuo)(zuo)用(yong)(yong)(yong)(yong)。煉(lian)鐵(tie)高(gao)爐(lu)(lu)采用(yong)(yong)(yong)(yong)焦(jiao)(jiao)(jiao)炭(tan)代(dai)替木炭(tan)，為(wei)現代(dai)高(gao)爐(lu)(lu)的(de)(de)(de)(de)大(da)(da)型化(hua)奠定(ding)(ding)了基礎，是冶(ye)金(jin)史上(shang)的(de)(de)(de)(de)一個(ge)重(zhong)大(da)(da)里程碑。為(wei)使(shi)高(gao)爐(lu)(lu)操作(zuo)(zuo)達(da)到較好的(de)(de)(de)(de)技術經濟指(zhi)標，冶(ye)煉(lian)用(yong)(yong)(yong)(yong)焦(jiao)(jiao)(jiao)炭(tan)（冶(ye)金(jin)焦(jiao)(jiao)(jiao)）必須具有(you)(you)適當的(de)(de)(de)(de)化(hua)學(xue)性質(zhi)和物(wu)理性質(zhi)，包(bao)括冶(ye)煉(lian)過程中的(de)(de)(de)(de)熱態(tai)性質(zhi)。焦(jiao)(jiao)(jiao)炭(tan)除(chu)大(da)(da)量用(yong)(yong)(yong)(yong)于煉(lian)鐵(tie)和有(you)(you)色金(jin)屬冶(ye)煉(lian)（冶(ye)金(jin)焦(jiao)(jiao)(jiao)）外，還(huan)用(yong)(yong)(yong)(yong)于鑄(zhu)造(zao)、化(hua)工(gong)、電(dian)石和鐵(tie)合金(jin)，其(qi)質(zhi)量要求(qiu)(qiu)(qiu)有(you)(you)所不同。如鑄(zhu)造(zao)用(yong)(yong)(yong)(yong)焦(jiao)(jiao)(jiao)，一般(ban)要求(qiu)(qiu)(qiu)粒度(du)大(da)(da)、氣孔(kong)率低、固(gu)定(ding)(ding)碳高(gao)和硫分低；化(hua)工(gong)氣化(hua)用(yong)(yong)(yong)(yong)焦(jiao)(jiao)(jiao)，對強(qiang)度(du)要求(qiu)(qiu)(qiu)不嚴，但要求(qiu)(qiu)(qiu)反應性好，灰(hui)熔點(dian)較高(gao)；電(dian)石生產用(yong)(yong)(yong)(yong)焦(jiao)(jiao)(jiao)要求(qiu)(qiu)(qiu)盡量提高(gao)固(gu)定(ding)(ding)碳含量。