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The invention provides a filtering plate. The filtering plate is a sealed body provided with a gas and liquid port, and a cavity is formed in the filtering plate. A filtering medium located on the surface of the filtering plate is in contact with solid-containing grout to be filtered, the filtering medium is fixed to the filtering plate and comprises a soft body material with first selective permeating capability, and a supporting layer with second selective permeating capability is arranged on the inner side of the filtering medium and used for supporting the filtering medium to be formed. The inner side of the supporting layer is closely adjacent to the cavity, and the cavity is connected with a set external system unit through the gas and liquid port. The filtering medium of the filtering plate can be washed and regenerated without a large amount of water, so that water is saved, and the water consumption of a system is reduced. The invention further provides a vertical rotation gypsum dehydrator and a working method. The vertical rotation gypsum dehydrator comprises the filtering plate and is simple in structure, beneficial to enlarging handling capacity, small in occupied land area, and capable of solving the site limit problem of the desulfurization system; water is saved, the water consumption of the system is low, and the water balance limiting problem of the desulfurization system is solved.
The invention provides a filtering plate. The filtering plate is a sealed body provided with a gas and liquid port, and a cavity is formed in the filtering plate. A filtering medium located on the surface of the filtering plate is in contact with solid-containing grout to be filtered, the filtering medium is fixed to the filtering plate and comprises a soft body material with first selective permeating capability, and a supporting layer with second selective permeating capability is arranged on the inner side of the filtering medium and used for supporting the filtering medium to be formed. The inner side of the supporting layer is closely adjacent to the cavity, and the cavity is connected with a set external system unit through the gas and liquid port. The filtering medium of the filtering plate can be washed and regenerated without a large amount of water, so that water is saved, and the water consumption of a system is reduced. The invention further provides a vertical rotation gypsum dehydrator and a working method. The vertical rotation gypsum dehydrator comprises the filtering plate and is simple in structure, beneficial to enlarging handling capacity, small in occupied land area, and capable of solving the site limit problem of the desulfurization system; water is saved, the water consumption of the system is low, and the water balance limiting problem of the desulfurization system is solved.
Filtering plate, vertical rotation gypsum dehydrator, working method and gypsum dehydrating system
CHEN YANG (author)
2016-01-27
Patent
Electronic Resource
English
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