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| Number | Title | Issue Date |
| 7438003 | Burning container A burning device includes a plurality of interconnected chamber walls defining a burning chamber and a central axis, each chamber wall also defining a plurality of chamber apertures. A plurality of flanges extend radially from the chamber walls and substantially par... | 10/21/2008 |
| 6962148 | Portable campfire container A system, method and apparatus for a portable fire container comprising a single piece of non-flammable material, wherein the container has a solid bottom portion, the container has a contiguous side portion at least six inches in height, the side portion has holes,... | 11/08/2005 |
| 6941879 | Process and gas generator for generating fuel gas A process and gas generator is disclosed for generating by dry distillation of solids and gasification of solids, a fuel gas substantially free of condensable dry distillation volatiles which would interfere with the intended use of the gas, e.g. for powering an int... | 09/13/2005 |
| 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 |
| 6932001 | Refuse burning container A container for burning refuse including yard waste, household waste and the like. The container has a cylindrical portion that defines a burning chamber. The cylindrical portion includes a plurality of ventilation apertures and inwardly protruding flanges. The cont... | 08/23/2005 |
| 6874433 | Incinerator with an air distributor mounted in a furnace thereof An incinerator includes a furnace defining a combustion chamber, a feed supply, a feed-delivering conduit connected to the feed supply and the furnace, an air supply connected to the furnace, and an air distributor disposed in the combustion chamber, connected to th... | 04/05/2005 |
| 6815572 | Method and device for incineration and vitrification of waste, in particular radioactive waste The present invention provides a method of processing organic waste (D) in divided solid and/or liquid form, the method being implemented in a single reactor (1) containing a bath of molten glass (V) surmounted by a gas phase (G), the method comprising incine... | 11/09/2004 |
| 6532879 | Gasifier system and method A solid fuel fed combustor system having a first chamber portion with an inlet feed for feeding a metered amount of a solid fuel thereto, a first burner stage having a first traveling conveyor firebelt, a metered amount of air introduced in progressively ... | 03/18/2003 |
| 6401636 | Process and device for incineration of particulate solids A process for the incineration of particulate solids, especially biological waste matter with low caloric value, feeds the solids into a combustion chamber of a furnace together with a sub-stoichiometric amount of fresh air to control the rate of combusti... | 06/11/2002 |
| 6363868 | Combustors and burners with high turndown ratio Various smoke and combustible gas combustors (200, 300) are disclosed, and also disclosed are systems (100, 200) combining gas combustor with inventive burner. Such a burner (100 or 100') provides combustion of a particulate fuel such as sawdust, and many... | 04/02/2002 |
| 6321665 | Incinerator for waste management A waste management incinerator has a combustion chamber with a number of U-shaped air supply pipes protruding toward the chamber center. A number of air supply branch pipes are installed on the air supply pipes for supplying air to the combustion chamber ... | 11/27/2001 |
| 6230664 | Method and arrangement for supplying air to a fluidized bed boiler A method and an arrangement for supplying air to a fluidized bed boiler are disclosed. In the method, the air is supplied from all comers of the fluidized bed boiler substantially parallel to two opposite walls and from the middle of said walls toward the... | 05/15/2001 |
| 6216610 | Process and device for incineration of particulate solids A process for the incineration of particulate solids, especially biological waste matter with low caloric value, feeds the solids into a combustion chamber of a furnace together with a sub-stoichiometric amount of fresh air to control the rate of combusti... | 04/17/2001 |
| 6041724 | Tower garbage incinerator A tower garbage incinerator is provided, consisting of an upper main blast furnace having a zigzag furnace cavity, and a lower accessory burning furnace. When garbage is fed through the inlet of the main blast furnace, the zigzag design of the furnace cav... | 03/28/2000 |
| 5954001 | Fluidized bed reactor for heat treatment of waste A fluidized bed reactor includes an axial recirculating fluidized bed and at least first and second lateral dense fluidized beds, respectively disposed along a first and a second wall of the jacket of the reactor. Waste is fed via at least one point on th... | 09/21/1999 |
| 5941184 | Controlled thermal oxidation process for organic wastes A controlled thermal oxidation process for solid combustible waste. The process comprises a first combustion stage wherein the waste is burned in a downward direction from top to bottom. A first, fixed air flow of predetermined volume is passed from botto... | 08/24/1999 |
| 5915309 | Fluidized bed incinerator The oblique bed wall (6) of the furnace main unit (1) is inclined in downward direction towards the ash discharge outlet (5). Oblique side walls (24R, 24L) are formed in the right and left side walls (1c, 1d) on the inlet (4) side of the furnace main unit... | 06/29/1999 |
| 5799590 | Air supply system for incinerator apparatus Incinerator apparatus includes a furnace and a chimney in communication with the furnace. Within the furnace, a pipe having a bore and extending upward from the bottom of the furnace is disposed. The pipe is in communication with atmospheric air at the lo... | 09/01/1998 |
| 5791266 | Combustion apparatus for highly energetic materials The specification describes a system for the thermal treatment of energetic materials which generate a tremendous volume of gaseous products upon combustion. The system includes a containment system which maintains an interface between hot exhaust gas pro... | 08/11/1998 |
| 5775237 | Dry bottom ash handling system A dry bottom ash handling system contemplates a plurality of hoppers disposed beneath a solid fuel-fired steam boiler. Each hopper includes angled walls converging at a generally rectangular opening controlled by a grate door. Air inlets are provided at i... | 07/07/1998 |
| 5771817 | Recovery boiler A recovery boiler for combusting spent liquor from cellulose cooking while at the same time recovering chemicals. The recovery boiler is constructed for so-called "rotafire" combustion and the speed of rotation of the secondary air has been increased by a... | 06/30/1998 |
| 5769008 | Low-emission swirling-type furnace The low-emission swirling-type furnace is designed to burn organic fuel and it can be most advantegeously used for dust combustion. A low-emission swirling-type furnace, according to the invention, comprises a combustion chamber (1) with a prismatic dry-bottom... | 06/23/1998 |
| 5752452 | Apparatus and method for oxygen lancing in a multiple hearth furnace An improved apparatus and method for efficiently processing material, e.g. incinerating waste material, particularly dewatered waste water sludge, in a multiple hearth furnace by injecting high velocity jets of oxygen into the heating or drying zone of th... | 05/19/1998 |
| 5724895 | Device for distribution of oxygen-containing gas in a furnace This invention is directed to an arrangement and a device for distribution of oxygen-containing gas (air) in a furnace, into which fuel is supplied as solid or fluid particles (1). The fuel consists of e.g. spent liquor from the pulp industry. Said liquor... | 03/10/1998 |
| 5678494 | Biomass-fueled furnace A biomass-fueled furnace for residential or institutional space and hot water heating. Wood chips, the preferred fuel, are purchased "green and/or wet" and are stored in a dryer/storage assembly which uses waste clean exhaust gases produced by the furnace... | 10/21/1997 |
| 5566625 | Combustion apparatus including pneumatically suspended combustion zone for waste material incineration and energy production High temperature combustion apparatus incorporating a pneumatically suspended combustion zone and capable of supporting relatively high combustion temperatures, in excess of 2400° C. (4352° F.) for essentially total combustion with minimal pollutant pro... | 10/22/1996 |
| 5535685 | Incinerator utilizing dry distillation An incinerator for carrying out incineration of general or specific waste dry distillation, which can improve wastes incineration efficiency and prevent secondary pollution, such as a gas smell, by performing complete combustion by facilitating feeding of... | 07/16/1996 |
| 5451738 | Plasma arc decomposition of hazardous wastes into vitrified solids and non-hazardous gasses For disposal of waste material including water, volatile components and vitrifiable components, the waste material is heated in a dehydrator to remove the water, heated in a high-temperature dryer to vaporize hydrocarbon liquids, and then fed to the focus... | 09/19/1995 |
| 5408942 | Combustion apparatus including pneumatically suspended combustion zone for waste material incineration and energy production High temperature combustion apparatus incorporating a pneumatically suspended combustion zone and capable of supporting relatively high combustion temperatures, in excess of 2400° C. (4352° F.) for essentially total combustion with minimal pollutant pro... | 04/25/1995 |
| 5357879 | Dried sludge melting furnace In a dried sludge melting furnace apparatus, at least one of following two controls is executed. In one of the controls, the primary combustion chamber (PCC) upper combustion air supply amount and the PCC lower combustion air supply amount are adjusted so... | 10/25/1994 |
| 5311828 | Incinerator An incinerator includes a furnace body which confines a combustion chamber for receiving refuse therein and which has a bottom wall formed with a central opening, an ash release gate mounted pivotally to the bottom wall at the central opening, a stack whi... | 05/17/1994 |
| 5245936 | Incinerator An incinerator of sectional structure has an airpipe for sending combustion air into a furnace. The airpipe is a straight pipe tapered off at end portion and closed by a plug of castable refractory material filled up in the tapered portion to improve the ... | 09/21/1993 |
| 4771709 | Incineration air supply apparatus Disclosed is an air supply apparatus for open pit incineration for supplying a curtain or layer of combustion air into an open pit. A plenum is provided for being positioned alongside of the pit and a fan and conduit provide air to the plenum. An elongate... | 09/20/1988 |
| 4712491 | Process and apparatus for the controlled burning of a vertical stack of solid fuel The downward burning of a vertical stack of solid fuel in a vertical furnace shaft is controlled by supplying most of the combustion air to the side of the stack through vertically spaced apart rows of combustion air supply openings in the vertical furnac... | 12/15/1987 |
| 4702179 | Controlled coal burning and heat collecting method and apparatus This invention relates to a method and apparatus for controlling the burn of coal, or fuel to produce the desired output of heat ranging from under 10,000 BTU per hour to over 150,000 BTU per hour, and the collection of said heat. It depends on the sizing... | 10/27/1987 |
| 4676175 | Incinerator furnace Incinerator furnace for incinerating organic substances, especially compounds which contain radioactive actinides in chemically bound form or are contaminated with chemical compounds, having an incinerating chamber which has a feed opening for oxygen-cont... | 06/30/1987 |
| 4538529 | Garbage incinerator A garbage incinerator comprises a combustion grate, a passage for feeding garbage to be combusted onto the grate, a combustion chamber above the grate, and a flue communicating with the combustion chamber and projecting upwardly therefrom. A nozzle box su... | 09/03/1985 |
| 4502464 | Stove This invention is for a stove having a cylindrical body with holes circumferentially disposed on the sides thereof and which holes gradually increase in number and in size towards the top thereof. The cylindrical body has an open top and a bottom wall and... | 03/05/1985 |
| 4449460 | Process and apparatus, mainly for burning agricultural plant refuse Freshly harvested agricultural materials having a moisture content no greater than 45% by weight are burned in a furnace in which the housing thereof is divided into preburning and afterburning spaces by a baffle wall. The preburning space contains a hori... | 05/22/1984 |
| 4438705 | Incinerator with two reburn stages, and, optionally, heat recovery An incinerator with a main combustion chamber leading directly to two consecutive reburn stages. The main combustion chamber accepts bulk refuse onto a hearth floor. Air jets within the floor and near the roofline provide a generally stoichiometric amount... | 03/27/1984 |
