Blog

Because the space between the particles in the cake layer is very small, the escaping of the particles in the liquid is blocked, so that the filtrate can be cleared and the filtration effect required for production is achieved. (So candle filters are also called filter cake layer filters).

When the filter cake layer exceeds a certain thickness after normal filtration for a period of time, the filtrate is reduced by the rate of the filter cake layer. Filter efficiency is poor, you need to clear the "cake layer", then the system will be based on the signal provided by the pressure sensor reverse-blow off the cake work, while opening the bottom of the cylinder valve slag, and then rebuild the new "cake Layer", Start a new round of filtration cycle.

The thickness control of cake layer, the residue cleaning, the reconstruction of new cake layer and the monitoring of filtrate quality are the four technical points of the candle (filter cake layer) filter, and also the four technical difficulties.