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| Number | Title | Issue Date |
| 8066789 | Continuous fine ash depressurization system A system for depressurizing and cooling a high pressure, high temperature fine solid particles stream having entrained gas therein. In one aspect, the system has an apparatus for cooling the high pressure, high temperature fine solid particles stream having entraine... | 11/29/2011 |
| 7727298 | Adjustable dual-blade dust filter using granular bed flow A dust filter has adjustable sub-blades between blades. By adjusting the blades distanced and the sub-blades' positions and angles, stagnation area of filtration material on the blades are removed. Furthermore, space in the dust filter is fully used. Thus, a filteri... | 06/01/2010 |
| 7309384 | Method and apparatus for filtering gas with a moving granular filter bed A method and apparatus for filtering gas (58) with a moving granular filter bed (48) involves moving a mass of particulate filter material (48) downwardly through a filter compartment (35); tangentially introducing gas into the compartmen... | 12/18/2007 |
| 7309379 | Moving bed adsorber/desorber and low flow (high yield) desorber devices and their methods of use Moving bed adsorber and desorber apparatus and methods, wherein adsorbent material (e.g., beads of resin) moves over a series of vane members and a fluid flow passes between the vane members and through the flowing bed of adsorbent. An adsorbent depth regulator is p... | 12/18/2007 |
| 7077888 | Device for separating dust from flue gases from combustion plants, especially solid fuel combustion plants The invention relates to a device for separating dust from flue gases from combustion plants, especially solid fuel combustion plants, comprising at least one dust filter via which the flue gases are guided, and by means of which the dust from the flue gases can be ... | 07/18/2006 |
| 7033556 | Method and apparatus for cake-forming granular-bed filtration There is provided a granular-bed filter for cleaning a gas containing fine particulate matter (“dust”). A multiplicity of vertically disposed filter trays are assembled to form a “panel.” In each filter tray, an inclined porous plate supports a bed of granul... | 04/25/2006 |
| 6802970 | Fluid treating device A fluid-treating device containing a distributing device having a revolving disc in a stationary housing, and a motor for rotating the disc. Feed and discharge pipes are connected to an end wall of the housing and open onto the revolving disc. Stationary vessels are... | 10/12/2004 |
| 6783572 | Panel-bed method and apparatus for gas and granular material contacting There is provided an improved panel-bed method and apparatus for achieving an intimate contact of a gas and a loose granular solid material (e.g., for filtering dust from the gas). A bed of the material is housed in a tall, narrow panel, across which gas moves in a ... | 08/31/2004 |
| 6436161 | Mobile granular bed filtration apparatus for hot gas conditioning Provided herein is a granular filtration apparatus for the removal of particulate material from hot gas by contacting said hot gas with granular filtration material. The apparatus being of the type having a filtration chamber containing granular filtratio... | 08/20/2002 |
| 6375715 | Procedure and device for fast separation of solid particles and gaseous fluids and their use A receptacle (14) open in its upper part into which opens a conduit (13), is inserted between a device (11) for fast extraction and the stripping zone (18). The receptacle (14) consists at its base of at least one diffuser (15) fed in fluidization gas and... | 04/23/2002 |
| 6368389 | Method for separating vaporous phthalic acid anhydride from a gas stream Phthalic acid anhydride is recovered from a gas stream containing phthalic acid anhydride vapors by passing the gas stream upwardly through a vertical tube so that the gases expand at the orifice at the upper end of the tube and mix with granules entraine... | 04/09/2002 |
| 5932179 | Waste gas treatment apparatus There is disclosed a waste gas treatment apparatus in which dust concentration at a treated gas outlet is sufficiently reduced and the desulfurizing efficiency and denitrating efficiency of grains are increased. The waste gas treatment apparatus includes ... | 08/03/1999 |
| 5556443 | Method for cullet preheating and pollution emission reduction in the glass manufacturing process A method and apparatus for simultaneously preheating cullet and removing pollutants from glass furnace gases is disclosed. Raw moist cullet having fine glass dust material and other impurities adhered to its surface is heated by furnace gases which remove... | 09/17/1996 |
| 5527514 | Desulfurizing and denitrating tower A desulfurizing and denitrating apparatus wherein an inner space of a tower body, which has an introduction port for a gas to be processed and a processed gas discharge port formed respectively in opposite side walls, is partitioned in a direction from th... | 06/18/1996 |
| 5330726 | Device for the separation of undesired exhaust gas components A device for separating undesired exhaust gas components from a fluid comprises a reactor with a reaction chamber and having a top and a bottom. The top has a device for introducing a granular adsorption medium. The bottom comprises first and second oppos... | 07/19/1994 |
| 5290457 | Filter element with regenerable bulk material filling and method for making same A regenerable deep bed filter element and method for making it, the element being provided as a closed system, in the case of which a deep bed filter (21), disposed inside at least one hollow-cylindrical chamber (17), is formed by a bulk material filling ... | 03/01/1994 |
| 5198002 | Gas stream clean-up filter and method for forming same A gas cleaning filter is formed in-situ within a vessel containing a fluidizable bed of granular material of a relatively large size fraction. A filter membrane provided by a porous metal or ceramic body or such a body supported a perforated screen on one... | 03/30/1993 |
| 5169528 | Filter element A regenerable deep bed filter element provided as a closed system, in the case of which a deep bed filter (21), disposed inside at least one hollow-cylindrical chamber (17), if formed by a bulk material filling of regenerable, filtration-active substances... | 12/08/1992 |
| 5165900 | Moving bed gas/solids contact apparatus Gas/solids contact apparatus includes a tower-like, vertical vessel divided by internal wall structures into three axially-extending, concentric spaces. An inner space, typically of generally circular cross section and extending along the axis of the vess... | 11/24/1992 |
| 5160708 | Dry type simultaneous desulfurization and dedusting apparatus and method of operation therefor The invention relates to a dry type simultaneous desulfurization and dedusting method in forming moving beds with a granulate desulfurizing and dedusting agent containing as the principle composition 5-95 weight % of iron oxide and 95-5 weight % of metall... | 11/03/1992 |
| 5160513 | Inlet stream debris collection method and apparatus An inlet distributor for use in downflow reactors or contacting vessels removes debris from the feedstream that could otherwise plug the top of the catalyst or particle bed surface. Gaseous streams are charged into the inlet distributor and debris is sepa... | 11/03/1992 |
| 5130106 | Moving bed radial flow reactor for high gas flow Void blowing by gas flow through a bed of particulate material is avoided by the use of a cover plate that eliminates void spaces at the top of the bed and a vertical duct that allows a head of particulate material to be maintained above the cover plate. ... | 07/14/1992 |
| 5123939 | Cyclone for separating a mixture of gas and solid particles by centrifuging, with heat recovery A cyclone for separating a mixture of gas and solid particles by centrifuging into a fraction that is enriched in particles and a gaseous fraction that is depleted in particles, the cyclone comprising a cylindrical vessel into which a duct for injecting t... | 06/23/1992 |
| 5013336 | Method and apparatus for emission control The invention includes process and apparatus for removing pollutants from a gas including fluidizing a bed of particles in a container, introducing a gas containing pollutant into the bed, removing the pollutant through deposition on the particles, contro... | 05/07/1991 |
| 5000770 | Shaft having a moving bed of pourable material Device for the separation of components, preferably heavy metals, sulfur dioxide, contained in gas and for dust removal in gaseous media charged with solids, especially in cold and hot preparation gases and combustion gases by means of a pourable granular... | 03/19/1991 |
| 4967688 | Powder processing apparatus A powder processing apparatus of the fluidized bed type wherein air is blown into a cylindrical container through its bottom to perform various treatments while keeping powder in the container in fluidized condition. Air fed in through an opening in the b... | 11/06/1990 |
| 4960447 | Reactor with moving layer for the removal of undesirable gaseous components from gases A reactor having a moving layer for the removal of undesirable components for gases has an upright moving-adsorber chamber flanked by jalousie arrays of shutters laterally separating that chamber from a gas inlet chamber and a gas outlet chamber communica... | 10/02/1990 |
| 4927435 | Rotating drum filter A perforated drum (10) rotates in a coaxial cylindrical housing (18) having three circumferential ports (19,22,23), and an axial outlet (24) at one end. The axis (11) is horizontal. A fibrous filter medium (20) is fed through a port (19) on or near the to... | 05/22/1990 |
| 4869734 | Air cleaning system The apparatus includes an adsorber housing, beds of carbon mounted in the housing, the beds extending in generally vertical planes, and ducts for moving carbon downwardly through the beds from the upper side to the lower side of the housing. Air ducts are... | 09/26/1989 |
| 4788819 | Apparatus for removing soot from the exhaust gases of an internal combustion engine, in particular a diesel engine An apparatus for removing soot from the exhaust gases of an internal combustion engine using a loose material filter. The object is to confine the loose material in a particularly effective manner so as to produce a very high degree of soot separation in ... | 12/06/1988 |
| 4764348 | Emission control apparatus An apparatus for removing acid gas and fly ash from hot flue gas includes a housing containing a perforated plate extending thereacross for holding a cool bed of particulate scrubbing material. First means are provided for passing the hot flue gas through... | 08/16/1988 |
| 4764276 | Device for continuous contacting of fluids and solids A continuous contacting device is disclosed wherein a fluid stream may be contacted with particulate exchange materials. The device includes a plurality of rotating chambers filled with particulate material. Fluid is supplied individually to these chamber... | 08/16/1988 |
| 4726821 | Apparatus for the treatment of substrates in a gas stream In an apparatus for the treatment of substances in a gas stream, in particular for the absorption and/or adsorption or filtering of gases, a plurality of annular treatment spaces, which are arranged concentric to a vertical axis in each case and are used ... | 02/23/1988 |
| 4702751 | Granular filter and method of operating same A horizontal-flow granular filter is provided at its bottom part with openings through which pistons are displaceable in an up-and-down movement to loosen the granular bed during back-flushing of the filter. This reduces the energy cost of cleaning and th... | 10/27/1987 |
| 4682992 | Microbicidal coated beads Organosilicon quaternary ammonias and other microbicidal compounds are bound to the surface of discrete inorganic particles such as glass spheres. Inorganic particles coated with the microbicidal compounds are used in hospital fluidized beds, air filters,... | 07/28/1987 |
| 4670226 | Reactor of moving bed type A reactor of the moving bed type wherein a granular material is packed and held by a louver structure and moved downward and brought into contact with a gas passing through the louver, is improved so as to avoid both accumulation of dust on the louver par... | 06/02/1987 |
| 4652289 | Purification of effluent gases The disclosure describes a method and a system for treating gaseous effluents to remove impurities therefrom, these gaseous effluents flowing out from a high temperature reactor, into which a particulate material is being fed. The method comprises directi... | 03/24/1987 |
| 4650647 | Apparatus for removing acid constituents from waste-gas An apparatus for removing acid constituents such as HCl and/or SOx from the waste-gas generated by furnaces,incinerators and the like wherein the calcium-containing powder material is blown into a waste-gas duct to form a lean fluidized flow un... | 03/17/1987 |
| 4629480 | Stratified bulk material filter The housing of the stratified bulk material filter contains several vertical bulk material layers which may be traversed transversely by crude gas flow, and are enflanked at both sides by delimitations and which may be supplied with particulate bulk mater... | 12/16/1986 |
| 4622210 | Sulfur oxide and particulate removal system A system is provided in which particulates and sulfur oxides are simultaneously removed from flue gases in a granular bed filter with special sulfur oxide-capturing and particulate-removing material. The spent sulfur oxide-capturing and particulate-removi... | 11/11/1986 |
