Filter filter selection

In the selection of filter press, in addition to the type and type of filter press, we also choose the filter capacity of the filter press. Considering the treatment range of the filter press, we can meet the needs of our filter press. The efficiency of the filter is maximized.

Affecting the filtration capacity of the filter press, the main part is the effective filtration area of the filter press and the space for storing the filter cake between the filter plates. The two are mutually influential and interdependent. Let's talk about how they affect the filtration capacity of the filter press.

First, the effective filtration area for the filter press. The effective filtration area of the filter press refers to the combination of the filter cloth between the filter plates and the actual contact area of the filtrate. The filter press relies on the interception and dialysis of the filter cloth to achieve the solid-liquid separation of the filter press. Of course, the area of the filter cloth in contact with the filtrate increases, and the filter press also has the filtering capacity per unit time. Will increase. The effective filtration area of the filter press = the number of recessed areas of each single-sided filter plate * the number of filter cloths, which is the calculation method of the actual filter area of the filter press.

Secondly, the middle of the filter press is stored. During the filtration process, the solids intercepted by the filter press filter cloth are stored in the recessed space formed between the filter plate and the filter plate, and the accumulated solids in the sleeping space are gradually increased, and the filter press is filtered. The speed will also be reduced. When the solid is full of space, the filter press will no longer be able to filter, so the filter volume of the filter press directly determines the filter volume for each intermittent cycle of the filter press. Filter filter storage space = concave volume on both sides of each filter plate * number of filter plates.

When selecting the filtration capacity of the filter press, we need to know the total volume of the mixed solution with the processing capacity, and the liquid in the mixed liquid will continue to flow out from the drainage pipe of the filter press. We only choose the total mixing. The solid content of the liquid, ie the volume of solids, is divided by the working time of the filter press. This is the volume of solids that we need to filter and store every hour, that is, the filtration capacity of the filter press. The actual filter press processing capacity = (the number of intermittent cycles of the filter press storage intermediate * filter press) / filter press operating time. In the actual choice, the former should be smaller than the latter.

Here, when I actually choose the filter press, I need to consider and calculate the processing capacity of the diaphragm filter press.

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