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Filter Press Applications

filter press plates and frame were the first machine used in chemical dehydration. filter press plates and frame filter press generally operates intermittently. it has a large investment in infrastructure equipment, and has a low filtration capacity, due to its large filtration driving force, high solid content rate of the filter cake, clear filtrate, high solid recovery rate, and conditioning drugs Due to its advantages such as low consumption, it is still widely used in some small sewage plants.

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filter press plates series

filter press plates r a key device in the water treatment process, and it plays the dual role of carrying the filter material layer, filtering and backwashing water distribution (gas) in the filter tank. The quality of the Filter press plates (especially the flatness and precision of the filter plate) r directly related to the long-term benefits of the filtered water quality, water quantity and operation of the water plant and sewage plant. The filter press plate has obvious advantages: 1. Improve the processing efficiency of the whole machine; 2. Increase the solid content of the filter cake; 3. Shorten the filtration cycle; 4. The production process is reliable and stable; 5. The filter plate has a long life.

Filter press frame assembly

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The structure of the filter plate, filter frame and filter cloth of the plate and frame filter press is shown in Figure, in which (a) is the filter frame, (b) is the filter plate, and (c) is the filter cloth. The structure of the plate and frame filter press is shown in Figure. The layout of the plate and frame filter press and ancillary equipment is shown in Figure. In addition to the main frame of the plate and frame filter press, there is also a mud feeding system, a chemical dosing system and a compressed air system.

Filter press series

The high-efficiency and energy-saving filter press is based on the automatic plate-pulling filter press. It adds a manipulator, lengthens the oil cylinder, increases the interval, and pulls out multiple filter plates at one time to discharge materials. It is suitable for materials that are easy to dehydrate and work in high-frequency industries. It has remarkable features such as compact structure, stable performance, high efficiency and low operating costs. The plate pulling efficiency is increased by 3-6 times, which has significant advantages for equipment with a large number of filter plates and a high working frequency.

After concentration and digestion, the sludge still has a moisture content of about 95% to 97%, and the volume is still very large. Sludge dehydration can further remove the interstitial water and capillary water in the sludge and reduce its volume. After dehydration treatment, the moisture content of sludge can be reduced to 70%~80%, and its volume is 1/10~1/4 of the original volume, which is beneficial to subsequent transportation and processing. Mechanical sludge dehydration methods include filtration dehydration, centrifugal dehydration and press dehydration. Filtration dehydration also includes vacuum filtration and pressure filtration; centrifugal dehydration uses a centrifuge for dehydration; press dehydration uses a screw press or roller press for dehydration. . Commonly used are pressure filtration and centrifugal dehydration methods. Sludge filtration and dehydration uses the pressure difference on both sides of the filter medium as a driving force, so that the sludge moisture is forced through the filter medium to form filtrate, while the solid particles are trapped on the medium to form a filter cake, thereby achieving the purpose of sludge dehydration. The plate and frame filter press was the first machine used in chemical dehydration. Although the plate and frame filter press generally operates intermittently, has a large investment in infrastructure equipment, and has a low filtration capacity, due to its large filtration driving force, high solid content rate of the filter cake, clear filtrate, high solid recovery rate, and conditioning drugs Due to its advantages such as high consumption, it is still widely used in some small sewage plants.

Filter press sludge storage hopper

The mud storage bucket is a supporting device installed under the filter press for collecting filter cakes. When the filter cake falls off, the bucket door is closed. When the filter cake reaches the discharge requirements, the bucket door is opened to discharge the material. Hydraulic control is usually used. For filter cakes that are more viscous and difficult to fall off, a vibration device can be installed.