A filter press, including a housing, which receives a liquid to be filtered that contains particles to be separated off, and a pressing device arranged in the housing for pressing the liquid through a filter device, wherein the pressing device, which rotates about a vertical axis, has at least one cross-sectionally round pressing element which rotates about an axis of rotation situated at an angle to the vertical axis and which has an outer casing formed from an elastic material, by which the pressing element rolls on the filter device, wherein the filter device includes a filter and, upstream of the filter, a filter plate which has a plurality of apertures which are open toward the pressing element and each of which has a cross section reducing toward the filter.

A filter press includes a frame, a power component and a plurality of filter plates driven by the power component to move to and fro along the frame to be at a pressure filtration position and an unloading position; a vibration cake unloading device includes a driving component and a vibration shaft longitudinally arranged; and protrusions are provided on an outer circumferential wall of the vibration shaft, when the filter plates are located at the unloading position, in the process that the driving component drives the vibration shaft to rotate around its own axis, the protrusions on the vibration shaft collide with the filter plate to assist in unloading. The vibration shaft has a simple structure, which can greatly reduce the cost, and the vibration cake unloading device is flexible in use. A filter press of spiral vibration cake unloading by pulling apart the filter plate twice is further provided.

A filter plate (1) comprises an opening (18) configured to receive at least one grid (2) provided within the opening (18). The at least one grid (2) comprises a body (2A) and one or more passages (2B) extending through the body (2A) for filtrate to flow through. The passages (2B) are preferably configured to allow filtrate to pass through the body (2A). The filter plate (1) may further comprise a wear detection device comprising at least one filament wire (2L) surrounding one or more passages (2B).

A filter (20) configured to separate the solid components and the liquid components from a slurry. The filter (20) includes a plurality of filter plate assemblies (46) that cooperate to define a plurality of filter chambers (70), each defining a perimeter (96) having an open section (98) when the filter plates (68) are in a closed position relative to one another. Each filter plate assembly (46) includes a closure (104) configured to close the open section (98). Preferably, the closures (104) are movable to an open position to permit a particulate cake to be removed from the filter chambers (70) without separating the filter plates (68).

A filter (20) configured to separate the solid components and the liquid components from a slurry. The filter (20) includes a plurality of filter plate assemblies (46) that cooperate to define a plurality of filter chambers (70), each defining a perimeter (96) having an open section (98) when the filter plates (68) are in a closed position relative to one another. Each filter plate assembly (46) includes a closure (104) configured to close the open section (98). Preferably, the closures (104) are movable to an open position to permit a particulate cake to be removed from the filter chambers (70) without separating the filter plates (68).

A filter plate (1) comprises an opening (18) configured to receive at least one grid (2) provided within the opening (18). The at least one grid (2) comprises a body (2A) and one or more passages (2B) extending through the body (2A) for filtrate to flow through. The passages (2B) are preferably configured to allow filtrate to pass through the body (2A). The filter plate (1) may further comprise a wear detection device comprising at least one filament wire (2L) surrounding one or more passages (2B).

An assembly for a filter press can include a plate body having spaced first and second sides defining an axial direction, and a fluid channel extending through the plate body in the axial direction between the first and second sides. A fastener can be provided in the assembly with a first end extending from the first side of the plate body.

Sludge dewatering device that makes it possible to achieve a high degree of dryness while retaining a limited energy consumption and limited industrial risks, comprising at least one first plate (21a) equipped with a first electrode (23a), and at least one second plate (21b) equipped with a second electrode (23b), wherein the first and second plates (21a, 21b) define a chamber (22) configured for receiving a sludge to be dewatered (10a), wherein the first and second electrodes (23a, 23b) are configured for establishing an electric field within the chamber (22), wherein the chamber (22) is equipped with at least one discharge port (32, 34), provided in the bottom third of the chamber (22), configured for discharging a filtrate (15a, 16a), and wherein the chamber (22) is equipped with at least one injection port (33), provided in the top third of the chamber (22), configured for injecting the pressurized purge fluid (11a) into the chamber (22).

A disposable cell enrichment kit includes a crossflow filtration device configured to be disposed along a main loop pathway and to receive a process volume containing a biological sample and utilize crossflow filtration, via a micro-porous membrane, to retain a specific cell population in a retentate from the process volume and to remove a permeate including certain biological components from the process volume. The crossflow filtration device includes a laminated filtration unit that includes the micro-porous membrane, a first mating portion, a second mating portion, and a membrane support. The membrane support includes a first plurality of structural features that define a first plurality of openings, wherein the first plurality of structural features are coupled to the micro-porous membrane and provide support to the micro-porous membrane, and the first plurality of openings allow the permeate to flow through them after crossing the micro-porous membrane.

A filtration cassette including a multilaminate array of sheets including filter sheets alternating with permeate sheet members and retentate sheet members, and a cross-flow filter device comprising a multiplicity of stacked filtration cassettes of such type. The improvements associated with the filtration cassettes described herein include, but are not limited to, at least one of: reinforced inlet(s) providing for longevity and improved cleanability of the cassettes; spacer permeate screens to limit throughput restriction; stainless steel or otherwise stiffened permeate sheets to prevent movement and increase flux; and stainless steel permeate sheets that can be used with ultrasonic transmission to minimize fouling of the filter sheets and extend cleaning cycles. Advantageously, the filtration cassettes are more resistant to higher temperatures than the filtration cassettes of the prior art.