Description
Name: filter press, filter plate press, filter press machine
Filtration area: 2/5/10㎡
Filtration pressure: 0.8MPA
Filtration volume: 15L-151L
Filtration temperature: 80℃
Filter chamber depth: 30mm
Filter plate specifications: 30*300mm & 500*500mm
Pressing method: manual, semi-automatic
Feeding method: center feeding
Structure: mainly consists of thrust plate (fixed filter plate), pressing plate (movable filter plate), filter plate and filter frame, beam (flat iron frame), filter medium (filter cloth or filter paper, etc.), pressing device, set Liquid tank, etc.
Solids and liquids are separated by plate and frame filter presses. The mud cake filtered by the filter press has a higher solid content and excellent separation properties than other solid-liquid separation equipment. Solid-liquid separation works like this: mixed liquid flows through the filter medium (filter cloth), solids stay on the cloth and gradually accumulate to form a filter cake, while the filtrate penetrates the cloth and becomes a clear liquid without solids.
Filters with high or almost incompressible residues can be processed in plate and frame filter presses. The solid particle concentration of the suitable suspension is generally less than 10%, and the operating pressure ranges from 0.3 to 0.6 MPa, and up to 3 MPa in special cases. Depending on how many plates and frames are used, the filter area can be increased or decreased. Filter frames are generally square, have an inner length between 320mm and 2000mm, are 16mm to 80mm thick, and have an inner size between 1m2 and 1300m2. Manual screw, electric screw, and hydraulic pressure are used to press the plate and frame together.
Advantage:
1. High dewatering efficiency: stable operation, compact structure, high dewatering efficiency and high solid content of mud cake.
2. Large processing capacity: low power consumption, large processing capacity, reliable operation, economical and practical.
3. High degree of automation: simple product operation and management, easy maintenance, automatic operation, and continuous production.
4. Long practical time: excellent material, low noise and long service life.
Working Principle:
The filter press consists of a filter chamber and a filter frame. It uses a filter cut-off to separate solids from liquids under pressure. It has the following characteristics: high strength, light weight, reasonable design, simple structure, and convenient use.
Filters separated by plate and frame are used to separate solids and liquids. In comparison to other solid-liquid separation equipment, the mud cake filtered by the filter press has a higher solid content and a better separation effect. Filter cloths are used to separate solids from liquids. A mixed liquid flows through the cloth, solids remain on the cloth, and gradually accumulate on the cloth to form a filter cake. As the filtrate penetrates the filter cloth, it becomes a clear liquid without solids,
In the filtration process, the filter cake begins to filter, the mud cake gradually thickens, and the filtration resistance rises. The longer the filtration time, the higher the separation efficiency. The specially designed filter cloth can retain particles with a particle size of less than 1μm. Apart from the excellent separation effect and the high solid content of the mud cake, the filter press can also provide a further separation process: During the filtration process, the mud cake can be effectively washed at the same time, so valuable substances can be recovered, and high-purity filter cakes can be obtained.
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