A system and method for automatically cleaning air filters of a medical imaging system is provided. The method includes monitoring an air filter operating condition, determining that the air filter operating condition is not within a pre-determined threshold, and providing a control signal to at least one air filter. The at least one air filter comprises a motor, drive shaft, rotatable passive shaft, continuous belt air filter, and a stationary filter brush. The drive shaft is rotatably coupled to the motor. The continuous belt air filter is coupled to the drive shaft and the passive shaft. The stationary filter brush is mounted against the continuous belt air filter. The method includes rotating, by the motor in response to the control signal, the drive shaft to translate the continuous belt air filter around and between the drive shaft and the rotatable passive shaft, and across the stationary filter brush.

A system and method for automatically cleaning air filters of a medical imaging system is provided. The method includes monitoring an air filter operating condition, determining that the air filter operating condition is not within a pre-determined threshold, and providing a control signal to at least one air filter. The at least one air filter comprises a motor, drive shaft, rotatable passive shaft, continuous belt air filter, and a stationary filter brush. The drive shaft is rotatably coupled to the motor. The continuous belt air filter is coupled to the drive shaft and the passive shaft. The stationary filter brush is mounted against the continuous belt air filter. The method includes rotating, by the motor in response to the control signal, the drive shaft to translate the continuous belt air filter around and between the drive shaft and the rotatable passive shaft, and across the stationary filter brush.

Water or wastewater filtration systems and processes have a filter tank having a floor and sidewall defining a filtration zone, an influent conduit, and an effluent conduit. One or more filtration members in the tank having filter media, and one or more cleaning members adjacent at least some portions of the filter media. Generating an effluent stream by generating a pressure differential across submerged portions of the filtration media, causing water in the influent to flow from outside to inside the submerged portions of the filter media. A prime mover rotates the filtration members. A blower and chamber for creating a reduced pressure condition in each of the cleaning members when they are non-submerged, the chamber receiving wet solids removed from non-submerged, wet solids-laden portions of the filter media by the non-submerged cleaning members subsequent to submerged, fouled portions of the filter media being rotated out of the filtration zone.

Disclosed is a fly ring adapted to be used in a rotary drum filtering apparatus, and a method of forming such a fly ring. The fly ring comprises a plurality of ring segments, each ring segment being laser cut. Each ring segment has a first end which overlaps a second end of an adjacent ring segment, forming a lapped joint. Each ring segment first and second end has at least two spaced apart through holes, the through holes of the first end being aligned with the through holes of the second end. A custom fastener extends through the first end and second end aligned through holes.

A ballast water treatment device including a cylindrical filter (2) that is disposed in a casing (1) and filters and externally discharges ballast water having flowed inside, comprising: a filter rotating unit (3) that rotates the filter (2) around a shaft center of the filter (2); a suction nozzle (4) that is disposed on the primary side of the filter (2) and opens toward the inner circumferential surface of the filter (2); a waste rinsing water discharging unit (5) that externally discharges waste rinsing water sucked by the suction nozzle (4) from the casing (1); a high-pressure fluid jet nozzle (40) that is disposed on the secondary side of the filter (2), opens toward the outer circumferential surface of the filter (2), and jets high-pressure fluid toward the filter (2); and a high-pressure fluid supplying unit (41) that supplies high-pressure fluid to the high-pressure fluid jet nozzle (40). The ballast water treatment device enables rinsing of the filter (2) to be performed efficiently and effectively, and achieves a simple structure and facilitated manufacture and maintenance.

A pool cleaner that may include a drive mechanism for moving the pool cleaner; a housing that has a first fluid opening and a second fluid opening; a filtering unit that comprises a filter enclosure and a filtering element; a fluid flow mechanism for inducing a flow of fluid through the filtering element in a first direction during a filtering process and for inducing a flow of the fluid through the filtering element at a substantially opposite direction during a backwash process; and a debris trap that is configured to receive debris from the filtering element during the backwash process and to substantially prevent the debris from exiting the debris trap during the filtering process.

A filtration device can be configured to form filter cakes and filtrate by filtering solid particulates from a slurry. Some embodiments of the filtration device can utilize a mechanism that is configured to separate the formed filter cake from a disc sector for subsequent processing of the solid particulates of the filter cake and/or the formed filtrate. Embodiments of the filter device and/or mechanisms of the filter device as well as methods of making and using the same can help provide improvements in operational efficiency for processing operations in which solids are to be filtered from a slurry.

A system (100) for purification of acrylamido tertiary butyl sulfonic acid monomer (ATBS) and process (400) thereof are disclosed herein. The said system (100) may comprise a continuous rotary pressure filter (102), a continuous dryer (103), a product cooler (104), a granulation unit (105) comprising a roller compactor (106), a granulator (107), a sifter (108) and a powder transfer system (PTS) (109). The said continuous rotary pressure filter (102) comprises a scrapper (203) and a rotating filter drum (204). The said rotating filter drum (204) further comprises plurality of filter cells (205). The pressure applied in the continuous rotating pressure filter (102) enables maximum filtration of filtrate from wet cake of ATBS monomer and thereby producing the ATBS product with reduced yellowness. The powder transfer system (PTS) (109) comprises at least four valves controlled to enable the production of high yield of ATBS with uniform particle size and shape.

The disclosed technology regards a wet dust extractor system with a water/solids separator for filtering slurry from the extractor into residue cakes and filtrate water, and related methods of removing dust from an industrial environment and dewatering resulting sludge. The wet dust extractor system has an air inlet, an impeller fan, and an extraction panel. Water is injected at the inlet of the fan impeller, where it is spun with the incoming dust laden air; the resulting slurry then passes to the extraction panel, which removes the slurry from the system by means of a discharge sump. The slurry then is pumped or otherwise delivered to the separator for filtering slurry into residue cakes and filtrate water. The separator includes a frame supporting a plurality of rollers supporting a filter media belt, a plurality of blades and wipers for cleaning the rollers and removing excess filtrate water and cake material, and an inlet water manifold to distribute slurry water uniformly on the filter media belt. The frame supports a filter bed, with a slurry receiving area having a perforated panel at its base, for receiving, pre-filtering and moving the slurry through the separator, and a filter bed collection tub with an exit aperture for collecting and delivering filtrate to a water holding tank. The filter media belt traverses the plurality of rollers, through and about the filter bed, supported along a portion of its path by the perforated panel. Both a residue cake bin and a clean water holding tank may be provided with the system to collect residue and filtrate water, respectively, for re-use or disposal.

A device for concentrating an object to be treated has a filter body in which a movable plate is disposed between adjacent annular fixed plates, the moveable plate being formed in the same annular shape. Sludge filtrate passes through filtrate inflow gaps between the fixed plates and the movable plate before being caused to flow into the filter body. The movable plate is moved so that solids in the sludge are kept from clogging the filtrate inflow gaps. A cleaning member is caused to rub against the outer peripheral surfaces of the fixed plates so that solids adhering to the outer peripheral surfaces of the fixed plates are scraped off. The movable plates of said device are caused to perform a circular movement by eccentric cams fixed to the shaft. The cleaning member is fixed to the shaft, and caused to rotate around the shaft by the rotation of the shaft so that solids adhering to the outer peripheral surfaces of the fixed plates are scraped off.