The filter part of the box filter press is composed of a filter plate arranged in a certain order on the main beam, a filter cloth sandwiched between the filter plates, and a diaphragm filter plate, and the filter plates, the filter cloth and the diaphragm filter plate are arranged to form each other. A number of independent filtration units are used. When the filtration of the filter chamber begins, the slurry is pushed by the feed pump through the feed port on the thrust plate and filtered by the pressure generated by the feed pump. Due to the action of the filter cloth, the solid is left in the filter chamber to form a filter cake, and the filtrate is discharged from the water nozzle (bright flow) or the liquid discharge valve (underflow). If the filter cake needs to be washed, the washing water can be introduced into the washing water on the thrust plate. , washing the filter cake

The working principle of the box filter press The plate-type filter chamber consists of a flat filter plate and a hollow filter frame. The filter cloth is fixed on the plate frame. This is the form of the early main filter press, and the chamber filter press The main advantage is that it is convenient to replace the filter cloth. The disadvantage is that the efficiency is low, the filtering effect is not good, and the filter plate is easy to be bad; the filter chamber of the box filter press is composed of two adjacent concave filter plates.