The working principle of the high-pressure circular filter press mainly includes the following steps:
1. Feeding stage: The materials to be treated (such as slurry, sewage, etc.) are sent into the filter chamber inside the filter press by the feeding pump. During this process, the materials will be distributed to each filter chamber, ready for the next step of filtration.
2. Filtration stage: The high-pressure circular filter press applies external pressure, typically between 1MPa and 2.5MPa, to force the liquid in the material through the micro-pores on the filter cloth or filter plate, while solid particles are retained in the filter chamber, forming a filter cake.
3. Unloading stage: After the filtration is completed, the filter cake can be discharged from the filter chamber either automatically or manually. High-pressure circular filter presses are usually equipped with automatic plate-pulling, automatic plate-flipping and other devices to facilitate automated operation and save labor.
Features
Compared with the traditional plate and frame filter press, the high-pressure circular filter press has the following significant features:
1. High-pressure tolerance: The circular design endows it with better stability and load-bearing capacity when withstanding high pressure, enabling it to withstand higher filtration pressure and thus filter out drier mud cakes.
2. High-efficiency filtration: Due to its ability to withstand higher filtration pressure, the high-pressure circular filter press has a faster filtration speed and better filtration effect, effectively shortening the filtration time.
3. High degree of automation: High-pressure circular filter presses are usually equipped with PLC programmable automatic systems, which can achieve functions such as automatic liquid collection flip plates and automatic plate pulling and unloading, improving the convenience and efficiency of operation.
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