Diaphragm filter press is a kind of high-efficiency filter press, which can squeeze the filter cake twice to achieve the best filtering effect. It is also an intermittent solid-liquid separation equipment. In the initial stage of filtration, the filtration process is the same as that of the chamber filter press. But after the filter cake is stroked, high-pressure water or compressed air can be injected into the membrane filter plate. Since the pressure is greater than the filtration pressure of the feed, the membrane of the filter plate will expand and swell, and the filter cake will be squeezed twice, finally causing more water to be discharged. Therefore, the diaphragm filter press has an excellent filtering effect.
Diaphragm filter press has the advantages of good dehydration effect and corrosion resistance. It is widely used in mining, sewage treatment, papermaking, brewing, fine chemical industry and other industries. It is especially suitable for materials that are difficult to filter and is the first choice of customers. Diaphragm filter press has been widely used in various fields that require solid-liquid separation, and is an upgraded equipment of ordinary chamber filter press. It shows good effects in terms of processing capacity per unit area, reduction of filter cake moisture, and material adaptability.
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