冷返矿是整粒系统高炉槽下筛分出的。

Mine is back to Cold Blast Whole system of screening.

youdao

冷返矿集中到专门的矿槽，由圆盘给料机将返矿卸到皮带机上。

Cold back to mine the ore concentrate into specialized chutes, feeder by the disk will be returned to the ore unloading machine belt.

youdao

但成品烧结矿粉末含量少，对高炉有力，冷返矿参加配料，可稳定烧结操作。

But the finished sinter powder content of less powerful of the blast furnace, cold back to mine to participate in ingredients, can be stable sintering operation.

youdao