Abstract: A method of pulse cleaning filter media in panel, cylindrical, conical, or V-pack style filter in an opening of a tubesheet is provided. The method includes directing a fluid pulse at the filter media at an angle that is: (i) not normal to a plane of the opening of the tubesheet; and (ii) not in line with the general direction of the filtration flow through the filter media. An air cleaner is provided including a housing including a dirty air inlet, a clean air outlet, and an interior. A tubesheet is in the housing interior having a plurality of openings. In the plurality of openings of the tubesheet are mounted filters with filter media. There is a plurality of blow pipes, with each blow pipe being pointed to direct at a fluid pulse a respective one of the filters at an angle that is: (i) not normal to a plane of the opening in the tubesheet; and (ii) not in line with the general direction of filtration flow through the respective filter media.

Abstract: A method of cleaning a filter element includes directing a jet of pressurized gas from a nozzle onto a filter element, with the jet having a non-round cross-sectional shape that is a same general cross-sectional shape as the opening in a tube sheet holding the filter element. The nozzle has a channel for the pressurized gas that is obstruction-free. A method of designing a nozzle arrangement for directing a jet of pressurized gas onto a filter element includes designing a nozzle arrangement to generate a jet of pressurized gas having a non-round cross-sectional shape that is a same general shape as a non-round shape of an aperture in a tubesheet holding the filter element. The nozzle arrangement includes at least one nozzle, each nozzle has an unobstructed flow channel, and each nozzle is cylindrical in shape and has at least one open slot. A pressurized gas generator includes a compressed air manifold storing pressurized gas, a valve in fluid communication with the manifold, and a nozzle arrangement.

Abstract: Novel solvents and methods of use for the removal of CO2 from flue gas, natural gas, hydrogen gas, synthesis gas, and other process and waste gas streams are provided. The solvent contains an alkali salt such as potassium carbonate and a polyamine such as piperazine (PZ) where the polyamine concentration is at least 1.5 equivalents/Kg H2O and the alkali salt concentration is at least 0.5 equivalents/Kg H2O. The preferred alkali salt/polyamine ratio is from approximately 1:2 to 2:1, and no additional alcohol is required for solubilizng the PZ. This chemical solvent and method of use provides efficient and effective removal of CO2 from gaseous streams and other sources.

Abstract: According to one representative embodiment, an exhaust aftertreatment component that includes a housing that defines an interior cavity through which exhaust gas is flowable. The housing includes an inner body, an outer body, and a space defined between the inner and outer bodies. The component also includes an insulation pack that is positioned within the space. The insulation pack includes insulation media encapsulated by a flexible fabric. The insulation pack further includes an at least partially rigid member that has a rigidity greater than a rigidity of the insulation media and flexible fabric.

Abstract: An air cleaner is provided including a housing having a dirty air inlet, a clean air outlet, and an interior. A tubesheet is in the housing interior and has a plurality of openings. The tubesheet is oriented in one of either a generally horizontal or a generally vertical position. A plurality of panel-style filters is provided, with each filter being mounted in a respective one of the openings in the tubesheet. The air cleaner also has a plurality of blowpipes, with each blowpipe being oriented to direct a fluid pulse at a respective one of the panel-style filters at an angle that is: (i) not normal to a plane of the openings in the tubesheets; and (ii) not in line with a general direction of filtration flow through the respective panel-style filter. A method of pulse cleaning panel-style filters oriented in openings of a tubesheet is provided.

Abstract: In the description and drawings a final fiberglass product is disclosed. The final fiberglass product may have a fiber curl layer, a fiber skin layer, and a fiber loft layer between the fiber curl layer and the fiber skin layer. The fiber curl layer may be on an unfiltered air entry side of the final fiberglass product and have a plurality of generally sinusoidal fiber bundles therein.

Abstract: An air cleaner includes a housing with a dirty air inlet, a clean air outlet, and an interior. A tubesheet is in the housing interior having a plurality of openings. A panel-style filter arrangement is oriented such that each one of the openings in the tubesheet is covered by the panel-style filter arrangement. A plurality of blowpipes are oriented to direct a fluid pulse at a respective one of the openings in the tubesheet covered by the filter arrangement. Preferably, each blowpipe is oriented to direct a fluid pulse at a respective one of the openings in the tubesheet covered by the panel-style filter arrangement at an angle that is: (i) not normal to a plane of the openings in the tubesheet; and (ii) not in line with a general direction of filtration flow through the panel-style filter arrangement.

Abstract: A member for controlling foam in a material reservoir includes a body, a concave space in the body, and wings extending from the body in the concave space. A method of controlling foam in an ink reservoir of a printing system includes rotating a foam control member above ink in the reservoir to dissipate accumulated foam, where the member includes a concave space open toward the ink and wings extending in the concave space.

Abstract: A system for cleaning at least one filter in a baghouse and an associated method for providing the system. The at least one filter separate a dirty gas chamber from a clean gas chamber, and filters at least one substance from a gas. The system includes a supply of compressed air and a blowpipe to direct the air at the at least one filter to dislodge a collected amount of the at least one substance from the at least one filter. The blowpipe has a cross-sectional flow area through which the compressed air flows. A valve controls provision of the compressed air. The valve has a cross-sectional flow area though which the compressed gas flows. The cross-sectional area of the valve is smaller than the cross-sectional area of the blowpipe to provide for air pressure at the valve to be greater than air pressure at the blowpipe.

Abstract: A fluid inlet device (1) suitable for introducing a mixture of liquid and gas into a vessel (5), which fluid inlet device (1) comprises an inlet flow channel having an inlet end (12) for receiving the mixture of liquid and gas; and a plurality of curved guiding vanes (20), wherein each vane (20) comprises an intercepting part (22) extending towards the inlet end of the inlet flow channel, and an outwardly directed deflecting part (25) defining a generally convex side and a generally concave side of the curved vane, wherein the deflecting parts (25) of two consecutive vanes form an outlet channel of the inlet device and define a main direction of gas flow in the outlet channel, and wherein at least one of the vanes (25) is provided with a liquid catcher (40) oblique to the gas flow direction.

Abstract: A filter element for removing particles from a particulate laden fluid stream includes, in an exemplary embodiment, a filtration media formed into a tubular configuration and that a plurality of circumferentially spaced apart pleats. The filter element also includes at least one melt-extruded retention strap extending circumferentially around the filtration media to limit radial movement of the filtration media at operating temperatures up to about 500° F. Each melt-extruded retention strap is formed from a melt extrudable amorphous thermoplastic polyimide.

Abstract: A filter well suited for paint arrestor usage having a monolithic high loft manmade fiber body with a convoluted flow contact surface. The filter is preferably formed by a convoluter as in one with a roller set and blade cutter to form mirror image fiber filter sheets from a received fiber batt. Provided is a well mixed proper fiber blend, such as one having a set of fibers made of a majority of course fibers joined by way of thermal bonding fibers which facilitate, during convoluting, formation of a crisp cut and high integrity three dimensional surface, as in one of rows of peaks separated by valleys. The projection/recess arrangement over the flow contact surface as well as the thickness and relative projection-to-base dimensions are arranged to provide a high paint holding capacity without too fast a load up of, for example, paint particles and while avoiding too great of a pressure drop within that load up time.

Abstract: A filter cartridge for use in an air cleaner is provided. The filter cartridge comprises a media pack having a flow end with a framework arrangement thereon. The preferred framework arrangement comprises a frame piece that includes: a seal support; a handle arrangement; and a force transfer arrangement thereon. The seal member is positioned on the framework. An air cleaner arrangement for use with the cartridge is shown. Methods of assembly and service are described.

Abstract: A filter support for a vacuum cleaner is provided with a frame suitable for supporting a filter and with a shaking device for making the frame vibrate in use, which has an actuator provided with a fan that is rotated by an air flow that in use passes through the frame.

Abstract: A method and apparatus are disclosed for unblocking a perforated rotary filter screen. In the invention, at least one jet of high pressure air is directed at a surface of the filter screen as the filter screen is rotated and the or each jet of air is moved in a direction transverse to the direction of movement of the perforations in the screen in order to cause the or each air jet to trace a spiral or helical path over the surface of the screen.

Abstract: Methods and apparatus for generating a vapor to be injected into a flue gas stream are described. Apparatus comprises a fluid vaporization and injection assembly further comprising: a stripper for producing first ammonia vapor and a first aqueous ammonia solution from a second aqueous ammonia solution; a reflux tank for producing a second ammonia vapor and the second aqueous ammonia solution from the first ammonia vapor and the first aqueous ammonia solution; and a first outlet for outputting the second ammonia vapor for introduction into the flue gas.

Abstract: A particulate filter cartridge has a woven metal fiber filter medium surrounding a perforated support tube. The filter medium is crimped down to the support tube at opposite ends thereof and then welded to the support tube at the crimped regions. A plurality of such cartridges can then be nested within each other and separated by appropriate exhaust gas flow directing baffles to form a particulate filter assembly.

Abstract: A filter assembly for removing unwanted contaminants and other impurities from a filtrant stream entering the intake region of an underlying device. The filter assembly comprises a filter media appropriate for segregating and separating the impurities and contaminants from the filtrant stream, and a surrounding collar for providing structural support to the filter media that simultaneously provides a self-adhesive material. Such collar is formed from a self-adhesive material, and a binding solution like printers ink, which interact in conjunction with the portion of such filter media not constituting the filtering region, so that the resulting support collar is integrally connected to the filter media, and is non-tacky on its top surface. At the same time, the adhesive retains its adhesive properties on the bottom surface of the collar.

Abstract: A honeycomb filter system comprising a first honeycomb filter disposed upstream: first filter having partition wall matrix of a mean pore diameter of 25 ?m or more and below 70 ?m and a porosity of 40% or more and below 70%, and carrying an oxidation catalyst containing at least one material selected from the group consisting of platinum (Pt), palladium, ceria, and alumina in at least a part of inner surfaces of pores of the matrix; and a second honeycomb filter disposed downstream; having a surface layer of a peak pore diameter of 0.3 ?m or more and below 20 ?m which is equivalent to or smaller than that of its matrix, and a porosity of 60% or more and below 95% which is higher than that of the matrix; and having the other specified relations.

Abstract: System for extracting vapor and particulates from a flow of at least an air stream having vapor and particulates, the system having a funnel and a filter unit; an opening of the funnel for receiving the flow of the air stream; an outlet of the funnel connected to an inlet of the filter unit, the inlet receiving the air stream. The filter unit includes a housing, a first and a second filter, a ventilation unit and a filter unit outlet; the housing having a first, second and third chamber; the first and second chambers being separated by the first filter, the second and third chambers being separated by the second filter; the inlet being located in the first chamber; the ventilation unit being located between the third chamber and the outlet and in use for creating an underpressure in the first, second and third chambers.