本文分析了槽下返矿率高的原因及其不利影响。
This paper analyses the cause of high return fines ratio and its influences.
烧结厂通过加强各方面的管理和进行设备技术改造，使槽下返矿率明显下降，取得了明显的效果和经济效益。
The return fines ratio has obviously been declined and remarkable economic profit was obtained after strengthening management and retrofitting the equipments and technology.
冷返矿是整粒系统高炉槽下筛分出的。
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