Factors affecting the filtration speed of filter presses

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When a feed-pressure filter is in operation, the feed pump supplies pressure for filtering to the equipment; therefore, it is the feeding pressure of the feed pump that affects the filtration speed. The level of ash in the feed material, as well as the ash content in the feed slurry, determines the viscosity of the feed slurry; and it is the viscosity of the feed slurry that determines the filtration speed ； The particle size distribution of the feed slurry: the higher the particle size content of the feed slurry, the greater the surface area of the material, and thus the lower the filtration rate. When the particle size of the slurry is high, problems such as material leakage from the filter press, poor cake formation, and difficulty in discharging the material may occur, which can damage the filter cloth ； When the solid particle content in the feed slurry is high, the concentration of the feed slurry is also high, and as a result, the rate at which the filter cake is formed is relatively slow. When the concentration of the feed slurry is low, the rate at which the filter cake is formed is fast; thus, it can be seen that the slurry concentration has a significant impact on the moisture content of the filter cake.