Shenzhen Hongfa Environmental Protection Equipment CO., LTD

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Introduction to the manufacture of filter press filter plates

January 15, 2021
As we all know, the most important part of the filter press is the filter plate of the filter press. Such filter plates should be subjected to various harsh environments in the future work, such as humidity, high temperature, oxidation, strong acid, strong alkali, etc. Nowadays, the metal mineral resources are popular, so the current filter presses are made of a large number of mixed plastics. So how is the general filter press plastic filter plate made? Let us tell you now.

Generally, the components of the current plastic filter plates are made of polypropylene (C3H6nCAS), antioxidants, glass fibers, curing agents and the like, which are pre-treated, broken and mixed to make the various components evenly distributed. Let the polypropylene raw material be heated and melted. When the temperature is between 260 °C and 280 °C, the polypropylene is stirred, heated and expanded to form a polypropylene viscous liquid. After heating for 20 to 30 minutes, the polypropylene viscous liquid is The next one can be done.

The filter plate of the plate and frame filter press is used for the setting of the filter plate. Therefore, before the filter plate of the filter press is manufactured, the filter plate of the filter press must be prepared. Different sizes, thicknesses and blind electric patterns will be different. Casting molds. The polypropylene viscous liquid is introduced into the mold, and the upper mold is pressed by a hydraulic machine of several tens of MPa, so that there is no gas hole in the middle of the manufactured filter plate, and the compact type of the filter plate is increased. Then fix the upper and lower molds, remove the hydraulic device, store it at room temperature, and wait for it to cool down and fix it.

The filter plate of such a filter press is basically completed, and after the filter plate is cooled, a slight processing is performed. Such as playing water holes, upper handles, deburring, taps, etc. This is the filter plate that can be placed on the beam of the filter press, and the filter cloth can be used.

This is the production process of the filter plate of the filter press. The filter plate of the filter press is always concerned about the quality of the whole filter press.

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Author:

Ms. Ada

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+8613544177648

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