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| Number | Title | Issue Date |
| 7500437 | Method and system for SCR optimization Methods and systems are provided for controlling SCR performance in a boiler. The boiler includes one or more generally cross sectional areas. Each cross sectional area can be characterized by one or more profiles of one or more conditions affecting SCR performance ... | 03/10/2009 |
| 7341007 | Balancing damper An apparatus for use in a furnace system to facilitate efficient and complete combustion of coal streams in a carrier gas. The apparatus, capable of being positioned horizontally or vertically in the coal pipes between the grinding mills and the furnace burner, cont... | 03/11/2008 |
| 7311049 | Air and water conveyor/cooler for hot loose materials The present invention regards a conveyor/cooler for hot loose materials produced by boilers and various industrial processes, mainly comprising a sealed metal container (1) connected to a boiler (2) or to an incinerator from which, thanks to the gravit... | 12/25/2007 |
| 7293511 | Gasification apparatus and method An apparatus and method for the treatment of particulate organic waste material, the apparatus comprising: a hopper means having flow control means for controlling flow rate of the waste material; a pyrolysis unit having (i) a heating means for heating the material,... | 11/13/2007 |
| 7284491 | Grate structure for solid fuel burners In one aspect, a grate segment for a burner, comprises a substantially rigid body (30) having a dispersed array of cavities (38) filled with a refractory material. In another aspect, a solid fuel gasifier includes a housing (12) defining a gasif... | 10/23/2007 |
| 7263933 | Incinerator furnace condensers and methods of using A method for processing waste material into fuel or other useful substances without polluting the air comprising the steps of: a. Introducing waste material into a storage chamber which allows the liquid to drain into a tank, ... | 09/04/2007 |
| 7223094 | Blower for combustion air A blower for combustion air in a wall/floor furnace is provided that includes a blower housing (26), and blower wheel (27), with an air inlet (28) and an air outlet (29), and with a fuel feeder line (1) for fuel, wherein a mass cur... | 05/29/2007 |
| 7198210 | Method and device for destroying confidential documents A method for destroying confidential documents, including the steps of a) keeping one or more confidential documents in a container, b) identifying the container, c) storing identification data relating to the container in question in an electronic data system, d) e... | 04/03/2007 |
| 7017728 | Pneumatically actuated chute door and system employing the same A chute system having a pneumatically actuated access door where the door is journally mounted to an access port in the wall and communicates with the chute to direct objects inserted into the access port to the chute. When an operator actuates a switch, the door ma... | 03/28/2006 |
| 7017500 | Monitoring of fuel on a grate fired boiler Method and apparatus for sensing the overall and/or distribution of fuel weight disposed on the top surface of the grate of a grate-fired device and adjusting the fuel infeed as a function of the flow rate of steam generated by the boiler. A plurality of weight sens... | 03/28/2006 |
| 7007616 | Oxygen-based biomass combustion system and method An oxygen-based biomass solid fuel combustion system and method has an air separator for separating oxygen from air providing a supply of oxygen for feeding oxygen to a solid fuel combustion chamber. An airlock feeds a metered amount of solid fuel to the solid fuel ... | 03/07/2006 |
| 7004084 | Corn burner A corn-burning stove provides cooling for the corn in-feed auger and other adjacent components by combustion inlet air flow patterns. The inlet air flow transports pellet fuel through a distance within the fire pot which varies responsive to the flow rate of the inl... | 02/28/2006 |
| 6994035 | Feed chute apparatus for gravity feeding tires and other materials into a rotating kiln A feed chute apparatus for injecting fuel into a rotating cement kiln by gravity. The apparatus, which is positioned adjacent to a cement kiln and supported at an angle of inclination sufficient to allow tires or other combustible materials to be gravity fed into th... | 02/07/2006 |
| 6986312 | Process for minimizing the concentration of toxic organic pollutants in fly dusts The process for minimizing the concentration of toxic organic compounds in the fly dusts of incineration plants comprises, when special combustion conditions are detected which lead to the formation of organic pollutants, in particular dioxins/furans and/or precurso... | 01/17/2006 |
| 6959654 | Gasifier system and method A solid fuel fed combustor method having a first chamber portion with an inlet feeding a metered amount of a solid fuel to a first burner stage having a first traveling conveyor firebelt. A metered amount of air is introduced in progressively increasing proportions ... | 11/01/2005 |
| 6952997 | Incineration process using high oxygen concentrations A process for incinerating combustible materials including the steps of: delivering combustible material and inlet gases to a primary combustion chamber, the inlet gases having an oxygen content of at least 50 vol %; burning the combustible material with the oxygen ... | 10/11/2005 |
| 6948436 | Method and apparatus for the gasification and combustion of animal waste, human waste, and/or biomass using a moving grate over a stationary perforated plate in a configured chamber An apparatus for the combustion of organic waste such as poultry litter/manure, cow manure and swine manure, and/or human waste, and/or biomass using a moving grate over a stationary perforated plate to convert organic waste into usable energy. The unprocessed fuel ... | 09/27/2005 |
| 6932003 | Mobile furnace and method of facilitating removal of material from workpieces A method for removing foreign material such as paints and coatings from workpieces using a mobile furnace. The workpieces are flash heated so that only the surface is heated to remove the coatings without heating the core of the workpieces. Deformation of the workpi... | 08/23/2005 |
| 6928936 | Device for feeding pulverized coal to furnace The present invention provides a device for feeding pulverized coal to a furnace, such as a drop tube furnace. The feeding system consists of a feed hopper, a pneumatic vibrator positioned on the periphery of the feeder hopper, a needle valve arrangement in the said... | 08/16/2005 |
| 6901868 | Plant for the thermal treatment of material and operation process thereof The plant for the thermal treatment of material, in particular scrap material, comprises at least a reaction zone within a rotary kiln having the longitudinal axis inclined of an angle in the range 0°±45° with regard to an horizontal plane and provided of first h... | 06/07/2005 |
| 6857379 | Method and device for incinerating organic waste material According to a conventional method for incinerating organic waste material, a fluidization device causes an oxygenous fluidizing gas to flow through the waste material, which is located in an incineration chamber, from underneath while forming a fluidized particle l... | 02/22/2005 |
| 6807913 | System and method for decongesting a waste converting apparatus A plurality of fluxing agent inlets are provided at the lower part of a waste processing chamber to enable the direct application of fluxing agents to deposited “unprocessed solids” and/or to liquid products of high viscosity therein. Means are provided for sens... | 10/26/2004 |
| 6802268 | Device for discharging dust from a dry dust collector of a blast furnace A device for discharging dust from a dry dust collector of a blast furnace includes a dust discharge vent located downstream of a dust discharge opening of the dry dust collector. A fully enclosed dust conveying system is located downstream of the dust discharge val... | 10/12/2004 |
| 6749373 | Installation for feeding a plurality of loads/cells of aluminum melting furnaces with bulk material such as aluminum oxide The present invention is directed to an Installation for feeding a plurality of loads, e.g. cells of aluminum melting furnaces, with a bulk material such as pulverized aluminum oxide. The installation includes a silo for the bulk material. The silo includes a pressu... | 06/15/2004 |
| 6745706 | Process and apparatus for disposing of municipal solid waste A system for disposing of municipal solid waste 10) provides commercially-available equipment that is modified to initially remove identifiable unwanted components from the waste (12), and then chop the waste into small pieces (16) of a size sui... | 06/08/2004 |
| 6712012 | Control system for an incineration plant, such as for instance a refuse incineration plant A control system for an incineration plant, comprising an incineration furnace with a combustion path along which the material to be burned is transported, air supply means, a steam generator, and control means with a steam controller and an oxygen controller which,... | 03/30/2004 |
| 6675727 | Method for feeding solid material into a reaction space, wherein solid material is consumed in the reaction A method for feeding solids (8) into a reaction space (2), which solids are prevented from leaving in the form of a solid substance. The method includes feeding solids such that the pressure (F1) they exert on the walls of the reaction space (2) or the wa... | 01/13/2004 |
| 6659026 | Control system for reducing NOx emissions from a multiple-intertube pulverized-coal burner using true delivery pipe fuel flow measurement A control system for providing improved control over the combustion process of a multiple-intertube pulverized-coal burner that commonly forms a portion of a roof-fired boiler. The system utilizes actual mass fuel flow measurements to calculate corrected,... | 12/09/2003 |
| 6644222 | System for continuous thermal combustion of matter, such as waste The system for continuous thermal combustion of matter, such as waste, comprises an incinerator, air supply means for supplying heated air to the incinerator, and a steam generator for generating steam on the basis of heat generated in the incinerator. Th... | 11/11/2003 |
| 6619215 | Incinerator with a heat-insulating shield An incinerator includes a furnace, a heat-insulating shield, an air conduit, an air blower, and a dryer. The heat-insulating shield has a top wall, a vertically extending peripheral wall that extends downwardly from the top wall and that surrounds and tha... | 09/16/2003 |
| 6619216 | Incinerator with a dryer and a control unit for controlling temperature in the dryer An incinerator includes a furnace, a heat-insulating shield, an air conduit, an air blower, and a dryer. The heat-insulating shield has a top wall, a vertically extending peripheral wall that extends downwardly from the top wall and that surrounds and tha... | 09/16/2003 |
| 6532768 | Process for the vitrification of a pulverulent material and apparatus for implementing the process The present invention relates to a vitrification process for a pulverulent material and an apparatus for implementing said process. The process consists in introducing the pulverulent material into the fusion area of a furnace via injection means, where i... | 03/18/2003 |
| 6499412 | Method of firebox temperature control for achieving carbon monoxide emission compliance in industrial furnaces with minimal energy consumption The present invention provides a novel method of controlling the incineration temperature of industrial waste incineration processes such that the incineration emissions products comply with governmental regulations and operating and capital costs are min... | 12/31/2002 |
| 6439135 | Organic waste gasification processing and the production of alternative energy sources A municipal waste gasification system comprises a plurality of primary gasification chambers for receiving municipal waste, a means for operating the municipal waste gasification system so that one or more of the primary gasification chambers may be idle ... | 08/27/2002 |
| 6405662 | Method for preventing jamming conditions in a compression device A compression device for feeding a waste material to a reactor includes a waste material feed assembly having a hopper, a supply tube and a compression tube. Each of the supply and compression tubes includes feed-inlet and feed-outlet ends. A feed-dischar... | 06/18/2002 |
| 6401632 | Animal carcass incinerator An animal carcass incinerator including a housing defining a combustion chamber and a charge opening in the housing sized to permit an animal carcass to be inserted therethrough the charge opening having a corresponding charge door. The burner including a... | 06/11/2002 |
| 6382112 | Chute of a feed system for a refuse incineration plant having a cutting apparatus The chute is provided with a cutting apparatus which has a mating holder, a clamping slide and a cutting slide. To close the chute, the mating holder is moved inward approximately into the center of the chute and is locked. Then, the clamping slide is mov... | 05/07/2002 |
| 6332408 | Pressure feedback signal to optimise combustion air control A novel method of combustion air control for multiple burner furnaces, whereas a pressure transducer is located in the air piping downstream of each zone air flow control device. The pressure transducer sends a feedback signal to a pressure control loop t... | 12/25/2001 |
| 6273009 | Method for automatized combustion and combustion apparatus A method for automatized combustion of solid fuel in a combustion apparatus which comprises a burner with a device, which is rotatable about the center axis of the burner for stirring the fuel in the burner which is connected to a boiler and has a feeding... | 08/14/2001 |
| 6247416 | Method of operating a furnace and device for implementing the method The invention relates to a method of operating a furnace (1) comprising a flue pipe (11) for discharging the smoke, means (19) of introducing ambient air into the said flue pipe (11) and a smoke extractor (16) arranged in the said flue pipe (11). Accordin... | 06/19/2001 |
