挥发物(In this process of agglomeration, the volatile matter is driven off by the heat; the limestone flux and the coke are incorporated with the ore, and the agglomerate is produced in the form of irregular clinkery lumps, known as 'sinter' 在烧结造块的过程中,挥发物由于受热而除去,石灰石熔剂和焦炭与铁矿石结合在一起,从而生产出称之为"烧结矿"的具有不规则形状的熔结团块富矿。)