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Sudong Chemical reminds you: the choice of filter cloth for filter press is very important

Filter cloth is an important filter component in the filter press. Since the filter material of the filter press is filtered through the filter cloth, the influence of the working performance of the filter cloth on the filtering effect of the filter press is self-evident. Therefore, it is very important to choose the filter cloth of the filter press. Please follow Sudong Chemical to learn about the selection principles of filter cloth.


1. Choose according to the shape of filter residue

From the solid shape of the filtrate, consider the wear resistance requirements of the filter cloth. If the solids in the filtrate are uneven in size and have edges and corners, choose a filter cloth with better abrasion resistance. The materials with the best abrasion resistance are polyester filter cloth and warp fiber filter cloth.


2. Choose according to the temperature of the filtrate

Temperature is also a factor that affects the filter cloth and working efficiency of the filter press. If the temperature of the filtrate is higher, then the polyester filter cloth with the best temperature resistance should be selected.


Three, choose according to the viscosity of the filtrate

The surface of the filter residue is smooth and non-adhesive type, and the filtrate will quickly dial out from the filter cloth. The filtering time is short and the efficiency is high. If the filter residue is sticky, the filtering time will be longer and the efficiency will naturally decrease. The stronger the stickiness, the lower the efficiency. At this time, choose monofilament filter cloth or satin weave filter cloth.


Fourth, choose according to the acidity and alkalinity of the filtrate

Choose the appropriate filter cloth type according to the acid-base degree of the filtrate. The material with the strongest acid resistance is polyester filter cloth, and the strongest alkali resistance is vinylon filter cloth. If you need acid and alkali resistance at the same time, then choose polypropylene filter cloth.


When selecting the filter cloth of the filter press, the user should fully consider the above four selection criteria, so as not to purchase unsuitable filter cloths, which will affect the filtration efficiency and working efficiency of the filter press. In addition, Sudong Chemical Industry would like to remind everyone that when cutting filter cloth, the hole pitch and aperture must be consistent with the requirements of the filter press, and professional tools should be used to cut the filter cloth to avoid damage to the filter cloth.

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Jiangsu Sudong Chemical Machinery Co., Ltd. was established in June 1956. It has been engaged in the research, design and manufacture of filter presses for more than 30 years.
 Top 10  brands of filter press in China
 Solid liquid separation engineering technology research center

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