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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 8100065 | Flue dust discharging method and system A dust discharging system for a blast furnace includes a dust collector for collecting flue dust from flue gas produced from the blast furnace, a first discharge conduit connected to the dust collector, a separator connected to the first discharge conduit for separa... | 01/24/2012 |
| 8020498 | Methods and apparatus for enhanced incineration The teachings of the present disclosure provide methods and apparatus for enhanced incineration. A method for improving the performance of an incinerator may comprise separating one or more substances from a process fluid using a classifying centrifuge, ejecting a f... | 09/20/2011 |
| 7435400 | Optimizing post-combustion nitrogen oxide and sulfur dioxide reductions and improving combustion efficiency in coal fired boilers A method for increasing the nitrogen oxide emissions by either removing or modifying fuel rich nitrogen oxide (NOx) reduction processes thereby improving combustion efficiencies especially with low volatile low sulfur coals, and remove unburned carbon, re... | 10/14/2008 |
| 7410611 | In-line method and apparatus to prevent fouling of heat exchangers The present invention relates to a method and apparatus for the prevention of fouling of process streams by the application of electric charge on process components. The electric charge may be attractive or repulsive to the foulants, they may be constant or variable... | 08/12/2008 |
| 7387662 | Method and device for separating gaseous pollutants from hot process gases by absorption and a mixer for moistening particulate dust In a method of separating gaseous pollutants from hot process gases, the process gases are passed through a contact reactor (22), in which an absorbent material in a moistened state is introduced to convert the gaseous pollutants into separable dust. The dust... | 06/17/2008 |
| 7334390 | Mixed fuel coal burner for gas turbines As shown schematically in FIG. 1, hot gases, containing molecular oxygen, from generator elements, (14) and (19), pass through a bed of coal chunks in an ODD reactor chamber (2). The molecular oxygen content of these hot gases is less tha... | 02/26/2008 |
| 7329309 | Gas-solids separation device and method A multi-stage gas-solids separator is configured so that the higher density (solids) output flows of two or more of the separator stages are merged together. The multi-stage separator is preferably composed of cyclone separators, with the diplegs of at least two of ... | 02/12/2008 |
| 7300495 | Utilization of high permeability filter fabrics to enhance fabric filter performance and related method A flue gas treatment system for a fossil-burning power plant having a fuel source and a boiler includes a barrier filter downstream of the boiler, the barrier filter including an electrostatically-stimulated fabric filter utilizing high-permeability fabric, having a... | 11/27/2007 |
| 7287477 | Cyclone bypass for a circulating fluidized bed reactor A method of and an apparatus for operating a circulating fluidized bed reactor having a furnace with a discharge port for exhaust gas, and a particle separator having an inlet connected to the exhaust gas discharge port and an outlet duct for the exhaust gas and a r... | 10/30/2007 |
| 7279800 | Waste oil electrical generation systems An on-site electrical power generation system utilizing environmentally hazardous waste oils as a combustible fuel. The disclosed invention utilizes environmentally hazardous waste oils generated by one or more on-site processes, such as, for example, by the mainten... | 10/09/2007 |
| 7258710 | Maritime emissions control system An Advanced Maritime Emissions Control System (AMECS) includes several Exhaust Intake Bonnets (EIBs) of different size and/or shape, an Emissions Capture System (ECS), and an Advanced Maritime Emissions Control Unit (AMECU) mounted on an Unpowered Seagoing Barge (US... | 08/21/2007 |
| 7156027 | Method for producing soil, soil-processing unit, method for processing and unit for processing An object to be treated such as soil, burned fly ashes, or the like containing organic halides is introduced to a hermetically sealable thermal decomposition furnace 310 and heated under reduced pressure. Emitted gases of the object to be treated are treated ... | 01/02/2007 |
| 7100521 | Baffle for increased capture of popcorn ash in economizer hoppers A baffle employs a particular arrangement of baffle plates in a three dimensional configuration to aerodynamically separate popcorn ash particles from a flue gas flow. The baffle is attached to the rear wall of an economizer outlet flue back pass and is placed just ... | 09/05/2006 |
| 7074033 | Partially-open fired heater cycle providing high thermal efficiencies and ultra-low emissions A partially open fired heater regenerative cycle wherein the fired industrial type heater cycle's heat transfer fluid replaces the air predominant nitrogen heat transfer fluid employed in a conventional air/fuel combustion heater. The heater cycle's method and appar... | 07/11/2006 |
| 7036463 | Heat exchanger for liquid vaporization A heat exchanger for vaporizing a liquid where provided is a boiler in heat-transferrable contact with a plenum that receives a heated medium. The boiler receives a liquid through a liquid inlet, the liquid being in mist or droplet form. The boiler also receives a t... | 05/02/2006 |
| 7004087 | High temperature gas reforming cyclo-incinerator A high temperature gas reforming cyclo-incinerator, using reformed water and strongly swirling inlet air in its interior to burn up wastes. The incinerator has a dust collecting structure designed to almost completely remove circulating dust and other harmful impuri... | 02/28/2006 |
| 6996989 | Process to recover energy from hot gas A process to recover energy from a gas having a temperature of above 650° C. and an absolute pressure of more than 1.7 bar and having non-solidified alkali containing compounds and particles by performing the following steps: (a) cooling the gas to a t... | 02/14/2006 |
| 6997118 | Pulse gasification and hot gas cleanup apparatus and process A gasifier system and process comprises a pulse combustion device in communication with a fluid channel for producing a gas stream having heat or fuel value. The pulse combustion device is operated under sub-stoichiometric conditions such that combustion and steam r... | 02/14/2006 |
| 6994036 | Coal-fired power station A coal-fired power station is provided and has a boiler that is heatable by dry firing, a catalytic converter for reducing an NOx level, a flue gas channel that adjoins the boiler and leads to the catalytic converter, and a coarse ash separator disposed u... | 02/07/2006 |
| 6957740 | Cyclone separator with central built-in element A cyclone separator (1) has a vertically extending housing (2) with an upper housing segment (3). A separator (6) with a separator wheel is located in the upper housing segment along with a carrier gas/product inlet (7), and a carr... | 10/25/2005 |
| 6945180 | Miniature garbage incinerator and method for incineration A portable miniature incinerator is described allowing easy disposal of household garbage for a single-family house or a small apartment building. The housing of the incinerator is mounted on a wheeled hand-truck assembly and contains an incineration block and a fil... | 09/20/2005 |
| 6938562 | Apparatus for waste gasification A gasification system that includes a gasification reactor chamber having perforated conduits or an inner lining that increases the exposed surface area of waste materials to gasification conditions, thereby decreasing gasification temperature, time, and cooling per... | 09/06/2005 |
| 6918755 | Fuel-fired burner with skewed electrode arrangement A fuel-fired burner for use with an emission abatement device comprises a pair of electrodes. Each electrode comprises an arc-contact rod to generate an electrical arc therebetween. ... | 07/19/2005 |
| 6907845 | Boiler improvements with oxygen-enriched combustion for increased efficiency and reduced emissions A method and apparatus to conduct 02/CO2 combustion or oxygen-enriched combustion. The boiler exhaust gas passes through a Gas Primer Sector (GPS) combined with the boiler to effect heat transfer to the combustion gas in indirect counter-flow h... | 06/21/2005 |
| 6869459 | Impact type particle separator made of mutually inverted U-shaped elements Apparatus for separating solids from flue gas in a circulating fluidized bed (CFB) boiler comprises plural vertical, impact type particle separators made of a plurality of hung elements which are supported from at least one cooled support tube. The plurality of hung... | 03/22/2005 |
| 6817304 | Process for generating heat to reduce the emission of oxides of sulphur and reduce adsorbent consumption For reducing emissions of oxides of sulphur: a) a sulphur-containing fuel is burned in a combustion zone comprising a heat exchange zone in which at least a portion of the heat is extracted, and effluents or combustion fumes are recovered at a temperatu... | 11/16/2004 |
| 6733575 | Hot gas filtration system A coal-fired power generation system including means for the production of coal-derived gas and a filter system for the filtration of this coal-derived gas. The filter system comprises at least one high temperature and, corrosion resistant filter. The filter is made... | 05/11/2004 |
| 6604474 | Minimization of NOx emissions and carbon loss in solid fuel combustion This invention discloses the synergistic integration of solid fuel combustion, low NOx control technologies (such as Low NOx Burners, reburning and Advanced Reburning) with partial in-duct gasification of coal or other solid fuels. For partial gasificatio... | 08/12/2003 |
| 6581529 | Incinerator with ceramics filter The present invention relates to an incinerator with a ceramics filter for incinerating raw refuse, general garbage, expanded polystyrene and others generated from a manufacturing plant, a wholesale market, a general firm, a general retail store, a genera... | 06/24/2003 |
| 6514315 | Apparatus and method for collecting flue gas particulate with high permeability filter bags A method of treating flue gas includes the steps of generating a flue gas and removing particulate from the flue gas with a first particulate removal technique to produce treated flue gas. The treated flue gas is then applied to a high permeability barrie... | 02/04/2003 |
| 6500221 | Cooled tubes arranged to form impact type particle separators Apparatus for separating solids from flue gas in a circulating fluidized bed (CFB) boiler includes plural vertical, impact type particle separators made of cooling tubes located within the CFB in a plurality of staggered rows. One embodiment employs a plu... | 12/31/2002 |
| 6467438 | Circulating bed reactor A circulating fluidized bed reactor is provided, based on a multi-inlet cyclone, comprising an elongated riser channel (5; 25), which has a lower portion (4; 24) and an upper portion, whereby solid matter and fluidization gas can be fed into the riser thr... | 10/22/2002 |
| 6454824 | CFB impact type particle collection elements attached to cooled supports Apparatus for separating solids from flue gas in a circulating fluidized bed (CFB) boiler comprises plural vertical, impact type particle separators located within the CFB in a plurality of staggered rows. The impact type particle separators employ hung e... | 09/24/2002 |
| 6439138 | Char for contaminant removal in resource recovery unit A method and apparatus for controlling or removing mercury, mercury compounds and high molecular weight organics, if present, from a waste incineration apparatus exhaust stream by separately adding a carbonaceous char to the flue gas while the flue gas is... | 08/27/2002 |
| 6422159 | Incinerator for home use An incinerator has a combustion vessel, a base trap and an afterburner. The combustion vessel has a combustion chamber, an exhaust leading from the chamber, an air intake leading to the chamber, and a gas intake leading to the chamber. Fresh air is mixed ... | 07/23/2002 |
| 6401633 | Closed cycle waste combustion An apparatus for treating organic waste material characterized by high ash content is disclosed. The apparatus includes a slagging combustor for burning the organic waste material to produce a slag of molten inorganic ash and exhaust gases, a cooler for r... | 06/11/2002 |
| 6375908 | Process and apparatus for recovery of raw materials from wastes residues A process is disclosed for recovering raw materials, in particular heavy metals such as chromium, zinc, copper, lead, or nickel, by separation from waste and residues, wherein a liquid or viscous starting mixture and/or a starting mixture composed of crus... | 04/23/2002 |
| 6360680 | Method of operating a furnace based upon electrostatic precipitator operation A method is provided for controlling the operation of a furnace. A furnace generally includes a boiler having a combustion zone, a plurality of burners burning a mixture of fuel and air in the combustion zone producing a gaseous by-product, and an electro... | 03/26/2002 |
| 6350288 | Method of and apparatus for fluidized-bed gasification and melt combustion A combustion method and apparatus in which combustible matter, e.g., waste matter, coal, etc., is gasified to produce a combustible gas containing a sufficiently large amount of combustible component to melt the ash by its own heat. A fluidized-bed furnac... | 02/26/2002 |
| 6341567 | Volatile materials treatment system Apparatus for the treatment of volatile material(s) in contaminated material(s) including a retort assembly which includes a rotatable retort disposed at least partially within a combustion chamber with a heater to indirectly heat the contents of the rota... | 01/29/2002 |
