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Foeth oferece uma ampla seleção de prensas de filtro usadas. Todas as prensas de filtro visíveis estão recondicionadas e totalmente funcionais.










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Filter presses offer several significant advantages: they produce cakes with very high dry solids content (frequently 30-60% or more), the filtrate is generally very clear and can be reused or discharged directly, they have high processing capacity per plant area, and operating costs are relatively low. They are especially advantageous when maximum solid dryness is required, when filtered liquid has recovery value, or when processing materials that don't separate well by centrifugation.
In a conventional plate filter press, the cake forms only by suspension pumping pressure. In a membrane filter press, after completing filtration, flexible membranes integrated in the plates are inflated with high-pressure air or water, mechanically compressing the cake and expelling additional liquid. This can increase dry solids content by 5-15 percentage points, resulting in significantly drier cakes and lower disposal costs.
Filter presses can process virtually any solid-liquid suspension, including water treatment sludges, mineral suspensions, crystallized chemicals, industrial sludges, food residues, and many others. For corrosive materials, filter presses can be built with reinforced polypropylene plates, special coatings or resistant materials. For abrasive materials, designs with replaceable wear surfaces are available.
Size depends on suspension volume to process, solids concentration, material filtration rate, and desired cycle time. Filter presses are sized by total filtration area (square meters of filtering surface) and chamber volume. Analysis of your specific application will determine appropriate size. Contact us with your process parameters for advice.
Filter cloth lifespan depends on processed material, solids abrasiveness, chemical conditions, and operation and cleaning practices. In normal applications, cloths can last from weeks to years. Cloths are consumables replaced periodically as part of normal maintenance, regardless of whether the filter press is new or used.
Modern filter presses typically operate at pumping pressures of 6-15 bar, although some special designs can operate at higher pressures. Membrane filters apply additional compression pressures of 10-16 bar on membranes. Appropriate pressure depends on processed material and required dewatering degree.
Filter cloths are generally not included or, if present, should be considered consumables likely requiring replacement. Cloths are selected specifically for each application and material, so new cloths appropriate for your process must be acquired. We can advise on filter cloth suppliers.
Typical maintenance includes regular filter cloth inspection and cleaning, hydraulic system verification (oil, seals, cylinder), plate inspection for cracks or deformations, frame and plate guide alignment verification, and pump and auxiliary system maintenance. Filter presses are relatively simple equipment with few moving parts, resulting in moderate maintenance requirements.
As prensas de filtro são filtros de pressão utilizados para a separação sólido-líquido de suspensões. Elas operam de forma descontínua e estão disponíveis em diferentes configurações. As prensas de filtro de câmara e de membrana são as mais comuns. Elas são especialmente adequadas para baixas velocidades de fluxo e um bolo filtrante compressível.
Cada prensa de filtro possui várias placas de filtro dispostas em sequência. As placas de filtro são equipadas com diferentes meios filtrantes, como uma membrana ou um tecido. Dependendo da configuração, a filtração é alcançada por pressão aplicada através de uma bomba hidráulica ou por uma membrana de prensagem sem poros.
Todas as nossas prensas de filtro são verificadas por nossos especialistas e estão disponíveis para exportação em todo o mundo. Estamos à disposição para responder suas perguntas ou solicitar um orçamento diretamente em nosso site. Durante nosso horário comercial, as máquinas podem ser visitadas em Barneveld, Holanda.
Se não tivermos o equipamento de processo desejado em estoque, por favor, avise-nos! Nossa equipe de compras tentará encontrar a máquina mais adequada para você através de sua rede internacional de compras.
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