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Understand the solid-liquid separation process of the plate and frame filter press

Plate and frame filter pressThe equipment is used in the solid-liquid separation process to turn the turbid filtrate into a clear liquid. In this process, what path and process does the liquid go through in the filter press? Follow Sudong Chemical to learn more about it.


1. The filtrate is first pumped into the water inlet pipe by the feed pump, and the feed pump gradually increases the filtrate in the water inlet pipe so that the filtrate enters the two water diversion pipes under high pressure conditions.

2. The water distribution pipe is connected to the two water inlet flanges above the plate and frame filter press, so that the filtrate enters the two distribution pipes above the filter plate of the plate and frame filter press, and the distribution pipe has The filter plates are extruded and spliced ​​piece by piece, and on the uniform direction side of each filter plate, there is a channel or groove leading to the center depression of the filter plate. In this way, the filtrate from the distribution pipe of the filter plate is divided into the filter cavity composed of a filter plate and a plate frame. In fact, it flows into the plate frame wrapped by two filter cloths. Contact, under the trend of strong pressure, the liquid in the filter will pass through the filter cloth, and the filter cloth can only allow the liquid to pass, and the solid is intercepted and stored in the filter cavity.

3. When the liquid passes through the filter cloth, the solids in it are intercepted and solid-liquid separation is realized. At this time, the filtrate becomes clear and clean, and then passes through the collection of water outlet pipes under the filter plate and will be separated from The water from different outlet channels gathers together and flows to the drain valve of the single filter plate to drain out of the equipment.


The specific solid-liquid separation process of the plate and frame filter press can be briefly summarized into the above three parts. For in-depth questions about the filter cloth, operation, maintenance and other aspects of the plate and frame filter press, you may wish to consult with the technical staff of Sudong Chemical. , Experienced technicians will help everyone better apply filter press equipment.

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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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