How to choose the material of the filter cloth?Changzhou Xiaxia Environmental protection Technology Co., Ltd. to teach you.

1. According to the chemical and physical properties of the material, choose the material of the filter cloth. Each filter cloth supplier provides detailed technical information as far as possible, which can be selected by reference.

2. Select the permeability of the filter cloth according to the requirements of filtration accuracy. Although the filter cloth plays a very important role in the initial filtration accuracy of the filter press, the initial filtration accuracy is not the higher the better, and it is necessary to consider that the filtration accuracy can meet the requirements. Because the filter press forms a filter layer after filtering for a period of time, the interception effect of the filter cloth is very small, and the foot "filter layer" that plays the role of fine filtration, forming a good filter layer is the key to the use of filter press technology.

3. Stripping performance of filter cake. When selecting filter cloth, pay special attention to the stripping properties of filter cake. The surface of the filter cloth is smooth and smooth, the filter cake is peeled off quickly, the thorough filtration operation time is short, and the efficiency is high. The filter cake sticks to the filter cloth and is not easy to peel off, which will extend the operation time of the filter press and reduce the work efficiency. If the filter cloth is to be replaced, the time will be longer. Now commonly used van filter press, filter cloth replacement is more troublesome. The unloading performance of monofilament filter cloth is better than that of long multifilament and short fiber filter cloth, and the unloading performance of satin weave filter cloth is better than that of plain weave filter cloth.

4. Regeneration performance of filter cloth. When selecting filter cloth, pay attention to selecting filter cloth with good regeneration performance. Filter cloth with good regenerative performance can be washed directly on the filter press to reduce the number of cloth changes. After simple treatment (drying, washing, etc.), the filtration efficiency of the replaced filter cloth is restored to more than 80 percent.

5. Filtration test of materials. The use of filter press technology is an experimental technology. After the preliminary selection of filter cloth, it is very important to filter the raw material (without changing the material properties and process conditions). The sample test of material filtration was carried out. The filtration rate, retention effect, moisture content of filter cake, unloading performance and regeneration performance of filter cloth were investigated.

Changzhou Xiahua Environmental Protection Technology Co., Ltd. specializes in the production and operation of industrial filtration materials for many years, mainly in the chemical industry, and the products are exported to many countries. Xiahua mainly produces the filter cloth, filter bag, pressure filter bag, etc., Xiahua filter cloth, use heart!