以优质铁鳞为原料，加强隧道窑和二次精还原工艺技术管理，确保铁粉质量。
The iron powder quality is ensured through tunnel kiln reduction and second reduction by using iron scale of high grade as raw material.
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。
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。
The process and production mechanism of reduced iron powder from mill scale and iron ore was described.
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