Dehydration process The two sides of the filter board are covered with filter cloth, and the plate and the frame are pressed tightly by compressing device, that is, a pressure filter chamber is formed between the plate and the frame. There is a small hole in the same part of the middle of the plate and the upper end of the frame, pressed into a channel, the sludge pressurized to 0.2~0.4MPa, from the channel into the pressure filter chamber, the surface of the filter plate is engraved with grooves, the lower end is drilled with the filter for the filtrate discharge, and the filtrate is discharged under pressure, and the filter is discharged through the filter cloth, along the groove and the pass, so that the sludge is dehydrated. . An automatic plate and frame Filter Press has been developed at home and abroad. The plate frame pressure filter bears a higher sludge specific resistance than the vacuum filter. This can reduce the consumption of the conditioner and use a cheaper agent (such as FeSO4. 7H2O). When the specific resistance of sludge is 5 * 1011~8 * 1012m/kg, it can be directly filtered without conditioning. The yield and cake moisture content of the plate and frame filter press should be determined according to the test data or similar operation experience. The moisture content of the mud cake is generally 75%~80%.
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Product Categories : Filter Press > Plate-and-frame Filter Press