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采用正压过滤工艺对禹州浮选精煤进行脱水,探索正压过滤的给料浓度(A)、给料粒度(B)、过滤压力(C)三因素对产品水分、滤液浓度、过滤时间、耗气量的影响,并设计了正交试验对三因素进行了无交互作用的试验,得到最佳工艺参数组合A3B3C3:即给料浓度为280g/L,给料粒度为38.81%,过滤压力为0.6MPa。
Positive pressure filtration process of Yuzhou coal flotation dehydration, to explore the positive pressure filtration feed concentration (A), feed particle size (B), filtration pressure (C) of the three factors on the product moisture, filtrate concentration, filtration time , Air consumption, and designed the orthogonal test of the three factors were no interaction test, get the best combination of process parameters A3B3C3: feed concentration of 280g / L, feed particle size of 38.81%, filtration pressure of 0.6MPa.