本发明在制造过程中采用如下步骤：准备原料，粉碎原料，加入二次原料，放入添加剂，吹塑成型。
The invention comprises the following steps in manufacturing process: preparing raw materials, shattering raw materials, adding secondary raw materials, adding additives, and blowing mould.
研究了原料混合物的组分与有耐火衬里的窑在利用二次燃料时窑气氛的相互作用过程。
Procedure of interactions between raw mixture components and kiln atmosphere using secondary fuels in lined kiln are researched.
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.
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