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Rotary Drum Filters
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Rotary drum filters consist of a large drum divided into circumferential sectors. Each sector forms a separate vacuum cell. Each sector has internal piping that connects to a port on the end of the trunnion that supports the drum. The slurry is fed to the bottom of the rotating drum and the cake is discharged on the descending side of the drum. The pipes collect the filtrate as the drum rotates. Depending on the construction of the rotary drum filter, there can be leading pipes to collect filtrate on the rising side of the drum, training pipes to collect filtrate on the descending side, or both. The discharge mechanism can be a scraper, belt, or roll. Products & Services
Process dryers are used to remove liquids or moisture from bulk solids, powders, parts, continuous sheets or other liquids by evaporation or sublimation.
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Industrial filtration equipment is used to filter, thicken or clarify a mixture of different elements.
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Image scanners are devices that scan two-dimensional (2D) objects and convert them into digital images.
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Solids feeders are used to deliver powder, granular and other bulk solid materials along a process line, or to and from process units, storage bins, conveyors and product packaging.
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Pelletizers are process machines that form materials into pellets for use in subsequent operations.
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Topics of Interest
Disk filters are used with vacuum filtration equipment. They are made of several large discs, up to 15 in larger machines. Each disk consists of sectors that are clamped together. The ribs between the...
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Rotary drum precoat filters are used to polish liquid solutions with trace amounts of suspended solids. They are similar in appearance to rotary drum filters, but the construction is very different.
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Vacuum filters are available in batch (vacuum nutsches and vacuum leaf filters) and continuous (drum filters, disk filters and horizontal filters) operating cycles. Continuous vacuum filters are...
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Horizontal plate pressure filters are constructed of a vertical stack of horizontal plates attached to a hollow shaft and mounted inside a pressure vessel. Each plate is covered with a filter...
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Overview
In this chapter the equations and models previously described in detail (Wakeman and Tarleton, 2005a) are used to provide process engineering models for continuous filter cycles. The models...
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