A lance for injecting a solid material into a vessel, such as a directsmelting vessel for producing molten iron, is disclosed.
公开了一种喷管，其用于将固体材料注入诸如用于生产铁水的直接熔炼容器的容器中。
2
This paper describes the experimental investigation on producing blister copper and recovering gold and silver by directsmelting of gold-bearing material.
进行了含金物料直接熔炼粗铜捕集回收金、银的试验研究。
3
Sintering process is essential in the procedure of the iron and steel smelting, sinter, the quality of which has a direct impact on the quality of steel, is a vital raw material for blast furnace.