Considering deficiencies of traditional powder injection in ladle, slot plug with conical fluidized bed used for bottom powder injection in ladles was developed.
针对传统钢包喷粉工艺的不足，开发了从钢包底部喷吹的喷粉型狭缝式透气砖。
The experiments about uniformity of granular cake on lab-scale are introduced in detail. The fluidizing feature of fluidized-bed with conical filtration units is researched on the rebuilt test-bed.
详细介绍了在原台架上进行的圆锥型过滤元件上滤饼厚度均匀性的实验研究。
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