For the sealing function of the filter press (which is a kind of filter), I think the two parts are worthy of our attention. One is the filter chamber and the other is the hydraulic press. These two parts are an important part of the filter press equipment.
Let me talk about the sealing of the filter chamber. I believe it is the core part of the filter press equipment. It not only affects the quality of the filtration, but also affects the entire operation of the filter press equipment.
How is the sealability of the filter press filter chamber achieved? How to achieve the slightest in the case of 4mpa? The filter chamber of the filter press is made up of a piece of filter plate. There is a recess in the middle of the filter plate. Each filter plate is wrapped with filter cloth, and then the whole filter chamber is squeezed by an external hydraulic device to make the pressure. The pressure of the liquid in the filter device is increased several times, thus forming a high pressure environment, which is advantageous for the mixed liquid in the filter press to pass through the filter cloth, and the liquid which can be diafiltered flows from the high pressure region to the low pressure region.
This is the actual principle of the filter press: using the tightness of the filter chamber, causing local high pressure, so that the liquid flows from the high pressure zone to the low pressure zone, the solid can not pass through the filter cloth, is intercepted on the filter cloth, and the accumulation is formed. Filter cake.
If the filter chamber of the filter press device is not well sealed, the efficiency of the filter press will be greatly reduced.
Let's talk about the tightness of the cylinder of the filter press. All the cylinders must be sealed when they are working properly. The pistons of the cylinders will be sealed with the best sealing ring. The sealing ring requirements are still very high. (The filter press equipment of our factory also uses the foreign sealing ring).
In fact, many problems occur in the filter press equipment, that is, the cylinder can not work, and the final failure of the work machine is that the seal ring is damaged, so that normal pressure cannot be provided, or the pressure is not enough.
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