The filter press has become an indispensable important equipment and has played an irreplaceable role in industrial production. Nowadays, the figure of the filter press can be seen anytime and anywhere in our daily life, but do we really understand how to use the filter press? What should I pay attention to when using the filter press?

Filter press operation method:

1. It is forbidden to start working in the factory when the number of filter plates is less than the specified number, so as to avoid damage to the machine parts. Check the arrangement of the filter plates before feeding. The filter cloth should not be folded to prevent large leakage; after unloading the cake, the filter plates must be tightly pressed and arranged neatly.

2. Only the normal filter press can be used for feeding, and the whole filter press must be inspected before each shift. The mechanical compression transmission components and the reduction box must be filled with enough lubricating oil; the hydraulic compression review the oil tank storage capacity and the hydraulic station working pressure. The hydraulic oil is generally replaced once a year. The hydraulic system should be thoroughly cleaned once during the replacement, and the hydraulic station working pressure It is less than the maximum working pressure of the oil cylinder, but the minimum can not be lower than the allowable value of the filter pressure.

3. After the filter press is normal, the filter plate can be compressed and filtered. The filter pressure and filter temperature must be within the specified range. Excessive filtration pressure will cause leakage. If the filtration temperature is too high, the plastic filter plate is easy to deform and add materials. The concentration of the suspension should be uniform. There must be no impurities; the filter cloth and filter plate must be rinsed after unloading the cake, and residues are not allowed to stick to the sealing surface or in the feeding channel, otherwise it will affect the smooth flow of the feed and the tightness of the filter plate, which will cause the two sides of the filter plate. Unbalanced pressure causes deformation and damage to the filter plate.

4. The filter cloth selection of the filter press must meet the technical requirements of the filter paddle. The new filter cloth should be shrunk before production, and the opening diameter should be smaller than the filter plate aperture. When the filter plate is matched, the cloth hole and the plate hole should be relatively concentric. The feed hole cloth should be close to the wall of the cylinder, otherwise it will cause unclear filtration, low filtration rate, rupture of the cloth cylinder, and failure to achieve the expected filtering purpose.

5. In the initial stage of filter press, the filter is turbid. When a layer of filter cake is formed on the filter cloth, the filtrate will become clear. If the filtrate has been turbid or mixed, it may be that the filter cloth is damaged or the cloth holes are different from the plate holes. At this time, close the valve or stop feeding to replace the filter cloth. A small amount of leakage caused by the capillary phenomenon of the filter cloth is allowed between the filter plates.

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