Mill scale, rust, paint coatings and foreign matter are removed.

清除掉表面氧化皮、铁锈、油漆等杂质。

The process and production mechanism of reduced iron powder from mill scale and iron ore was described.

系统地介绍了由铁鳞制取还原铁粉的工艺过程，原理，及各种牌号还原铁粉的性能对比。

Removal of loose rust, loose mill scale and loose paint by power tool chipping, decaling, sanding, wire brushing and grinding to a specified degree.

用电动工具削、磨、刷去不牢固的锈迹、氧化皮、漆皮，以达到指定等级。

The process and production mechanism of reduced iron powder from mill scale and iron ore was described. Finally, it was compared the characters of different grades of reduced iron powder.

系统地介绍了由铁鳞制取还原铁粉的工艺过程，原理，及各种牌号还原铁粉的性能对比。

By analysing the effect, expounds that the cement mill has used nucleon weigh scale system, to raise the output, reduce the cost and energy consume.

通过分析比较，阐述了核子秤系统的使用可提高水泥厂产量，降低能耗及成本。