Detailed explanation of the plate and frame filter press

February 24, 2023

Detailed explanation of the plate and frame filter press
Plate and frame filter press is a sludge treatment system for sludge treatment equipment, is a common equipment in the process of sludge treatment, this article for the plate and frame filter press to do a detailed introduction and answer, if you have questions about the plate and frame filter press welcome email consultation:.

1、The principle of plate and frame filter press
Plate and frame filter press is composed of five major parts: filter press plate, hydraulic system, filter press frame, filter plate transfer system and electrical system. The principle of working and running of the plate and frame filter press is relatively simple. First, the plate and frame group is pressed by hydraulic pressure, and the sediment enters from the middle and is distributed to each filter cloth. Due to the pressure of the plate and frame, the sludge cannot overflow, and under the high pressure of the screw pump and diaphragm pump, the water in the sludge seeps out from the filter cloth and flows into the return pipe, while the mud cake is left in the cavity. After that, the plate and frame unload the pressure, the filter plate is pulled apart and the mud cake falls by gravity and is pulled away by a car, so it is said that the filter press process is the last process in the wastewater treatment process.

The plate and frame filter press is suitable for suspensions with large or nearly incompressible filter residue. The concentration of solid particles in suitable suspensions is generally below 10%, and the operating pressure is generally 0.3 to 0.6 MPa, with special ones up to 3 MPa or higher. The filtration area can be increased or decreased with the number of plates and frames used. The plate and frame are usually square, the inner side length of the filter frame is 320-2000 mm, the frame thickness is 16-80 mm, and the filtering area is 1-1200 square meters. The plate and frame are pressed by manual spiral, electric spiral and hydraulic pressure. The plates and frames are made of wood, cast iron, cast steel, stainless steel, polypropylene and rubber.

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