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Diaphragm Filter Press Advantages

Dec 14, 2021

 Diaphragm Filter Press Advantages

The filter chamber of the diaphragm filter press is formed by staggered splicing of chamber plates and diaphragm plates, a solid filter plate and a diaphragm filter plate.

The diaphragm plate of the diaphragm filter press has a diaphragm cavity on both sides. When the material is filtered, inject a certain pressure of gas (liquid) into the diaphragm cavity to make the diaphragm bulge and spin the filter cake in reverse to achieve the purpose of reducing the moisture content of the filter cake. When the press medium (such as compressed air) is passed through the back side of the diaphragm, these movable diaphragms will bulge toward the filter chamber, that is to say, the filter cake will be squeezed under high pressure again after the filtering process is over. The Nanxing chamber filter press is equipped with a membrane filter plate filtration process, and the moisture content of the filter cake can be 10-40% lower than that of ordinary filter plates. Can save a lot of follow-up costs.

 

The filter part is composed of filter plates neatly arranged on the main beam and a filter medium sandwiched between the filter plates. Reinforced polypropylene filter plate is mainly made of high-quality polypropylene and pressed by our company’s unique formula. It has good mechanical properties, stable chemical properties, pressure resistance, heat resistance, corrosion resistance, light weight, flat and smooth surface, good sealing, and easy Features such as washing. At the beginning of filtration, the filter slurry is driven by the feed pump and enters each filter chamber through the feed port of the thrust plate. The filter slurry is separated from the solid and liquid by the pressure generated by the feed pump, due to the role of the filter medium (filter cloth) , Make the solid stay in the filter chamber to form a filter cake, and the filtrate is discharged from the water nozzle or the liquid outlet valve. If the filter cake needs to be washed, the washing water can be passed through the washing port on the thrust plate to wash the filter cake; if a filter cake with lower moisture content is required, compressed air can be passed through the washing port to pass through the filter cake layer and blow out Part of the water in the filter cake can be squeezed through the diaphragm to make the washing water less and the effect is better.

membrane filtration press.jpg

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