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Why does the dewatering effect of the plate and frame filter press deteriorate

The plate and frame filter press is a device that realizes the separation of solids and liquids, and has been widely used in modern industry. During the use process, some users reported that during the early use, the feeding and dewatering speed of the plate and frame filter press was very fast, and it became slower and slower after a period of time. What is going on? Sudong Chemical will reveal the secret in the future.


It is normal in the early stage and abnormal in the later stage, indicating that there is not much problem with the setting. As we all know, the plate and frame filter press relies on positive pressure for dehydration, and the filter cloth can achieve the purpose of intercepting materials by dividing water through the filter medium. If the process is not changed later, this is not the main reason. If the process has been changed, then consider whether it is a process use.


After long-term use, the feed pump will wear out. Check whether the flow rate is reduced and the pump pressure is reached. 70% of the time before feeding has no effect on pressure. The key to high pressure dehydration in the later stage is pressure. In addition, whether the pump enters air, once the air enters, the pumping material is very slow.


After the filter press filter cloth is used for a period of time, the capillary pores of the filter cloth will be blocked, so that the dehydration performance will be greatly reduced. If it is due to the problem of the filter cloth, it is recommended that the filter cloth be thoroughly cleaned first. It can be washed directly with a high-pressure water gun, or it can be washed with an industrial washing machine. The main thing is to clean the material in the gap of the filter cloth.


The slower dehydration effect of the plate and frame filter press is not necessarily due to the failure of the machine itself, but more importantly, the later production process and maintenance cannot keep up. Therefore, users should do regular maintenance during normal use, especially the details that are easy to be overlooked. In addition, users must keep up with the pace of the times, constantly update and improve the production process, so that the plate and frame filter press and the production process are perfectly connected, so that the problem of poor dehydration effect will naturally not occur, and the work efficiency of the plate and frame filter press will also be Get further improvement.

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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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