精煤压滤时间的长短直接影响滤饼水分。
The time of pressing and filtering affects the moisture of the filtering cake directly.
此外，滤饼水分高，滤液浊度大，过滤成本居高不下。
Whtats more, the filtering cost remains high due to the high cake moisture, and the great filtrate turbidity.
与改造前相比，过滤效率提高了25-30%，滤饼水分也有所下降。
The filter efficiency raises25-30%, and the moisture of filter cake also drops then before.
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