1. The tight filter plate forms a closed filter space, and the filter cloth in the center forms a filter cloth bag to provide necessary conditions and environment for filtration operation.
2. The suspension is introduced into the filter chamber, and the pressure of the liquid is increased by the equipment. It is directly touched with the filter cloth, and the solid is blocked by the filter plate.
3. After the filter residue in the filter chamber reaches a certain scale, stop feeding, the equipment reversely receives and receives air, and squeeze the filter residue again.
4. Pull the plate to remove the filter residue.
In order to complete this purpose, the filter press equipment must be improved as follows:
1. Improve the feeding method, plan the feeding system that can be repeated, and blow the filter cake into the air filter press in the direction of each single meeting.
2. Pulse feeding method can be used to increase the pressure of feed liquid.
3. Improve the spatial planning of filter plate and increase the ability of equipment to store filter residue.
4. Improving the operation information of the equipment can increase the effective filtering area of the pressure filter and increase the area of the filter cloth.
Generally speaking, the filtration and dehydration of filter press equipment is a solid-liquid separation process, which is completed by the leakage blocking of filter cloth of filter press. To complete the filtration and dehydration process, it needs the perfect cooperation of all parts of the equipment.