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6470812 Method and apparatus for recovering energy from wastes by combustion in industrial furnaces  
Method and apparatus to recover energy from waste by means of combustion of such waste in industrial furnaces, particularly of the rotary type, that has an external calciner, feeding such waste...
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...
6464492 Methods of utilizing boiler blowdown for reducing NOx  
The present invention provides improved methods of reducing NO x emissions in the flue gases produced by a steam boiler fired by a fluid fuel and combustion air burner and including a steam drum...
6464430 Soil decontamination apparatus and method  
A soil decontamination apparatus includes a pug mill with twin, side-by-side augers or shafts with paddles moving the soil along a treatment path. A roof over the pug mill includes burners...
6463864 Gasification melting furnace for wastes and gasification melting method  
A gasification and melting furnace for wastes has a vertically movable furnace center lance disposed along the axis of the furnace and adapted to blow off a combustion sustaining gas downward into...
6460472 Fluidized bed material, method for its production, and method in a fluidized bed process  
A fluidized bed material including mineral particles of a gabbro class or darker rock type. The rock type includes several minerals and having a quartz content of 5 wt-% or less. The particles are...
6457425 Method and apparatus for combustion of residual carbon in fly ash  
A system for combustion and removal of residual carbon within fly ash particles in which the fly ash particles are fed into a particulate bed within a reactor chamber. The fly ash particles are...
6457424 Cremation system  
The present invention concerns a cremation system for corpses located in coffins. The system comprises a combustion chamber in whose wall is disposed at least one burner to which auxiliary energy...
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...
6453831 Method for burning lumpy combustion material, especially limestone, dolomite and magnesite, and regenerative shaft furnace for carrying out this method  
A method for burning lumpy combustion material, in particular limestone, dolomite and magnesite, in a regenerative shaft furnace comprising at least two shafts ( 1, 2 ) comprised of a preheating...
6453830 Reduction of nitrogen oxides by staged combustion in combustors, furnaces and boilers  
Nitrogen oxides, NO x , resulting from the excess air combustion of solid fuels in a combustor or burner in a furnace are reduced. By introducing sufficient additional fuel to the combustion gases...
6453829 Incinerator assembly having waste smoke treating device  
An incinerator device includes an incinerator for burning the garbage to generate a smoke, the smoke has a portion sent back to and retreated by the incinerator, and the other portion sent to and...
6451094 Apparatus and method for removal of vapor phase contaminants from a gas stream by in-situ activation of carbon-based sorbents  
A process for removing vapor phase contaminants from a gas stream includes the step of adding a raw carbonaceous starting material into a gas stream having an activation temperature sufficient to...
6450874 Thermostatically controlled power draft motor cooling system  
A variable speed power flue ventilator with a thermostatically controlled motor cooling system. The thermostatically controlled cooling system employs an auxiliary motor cooling fan separate from...
6450800 Regenerative thermal oxidizer incorporating a venturi style burner  
A burner that utilizes venturi action for induction of combustion air. The action of the venturi draws in surrounding air present around the nozzle to supply the necessary combustion air, provide...
6450108 Fuel and waste fluid combustion system  
A system for combusting difficult to combust fluid such as waste fluid wherein fuel and gaseous oxidant combust in a hot combustion gas chamber to form a hot combustion gas mixture which is...
6446565 Blast tuyere for shaft furnaces, in particular blast furnaces or hot-blast cupola furnaces  
A blast tuyere for shaft furnaces, includes a conical hollow main body having inner and outer casings defining a hollow space and interconnected by a tuyere nose. The outer casing is formed by a...
6443078 Process and plant for depolymerizing of the CH chains of solid materials  
Materials containing CH polymer chains are treated by a process comprising triggering combustion of the material in an environment insulated from the outside; removing gaseous combustion products...
6443077 System for producing combustion ash of cellulose-containing wastes  
The system for producing combustion ash of cellulose-containing wastes, provided with a kneading device 3 for kneading cellulose-containing wastes with a prescribed amount of liquid fuel oil, a...
6440746 Method and apparatus for analyzing asphalt content  
An apparatus for pyrolysis of a bituminous paving mix is provided, comprising an oven having a bottom wall, a top wall, and side walls defining a combustion chamber, a sample support within the...
6439140 Device and method for combustion of fuel  
A fuel being primarily a liquid fuel is ejected through a fuel ejection pipe having an annular ejection opening; primary air is ejected through primary air-ejecting openings arranged on outer and...
6439139 Method for recycling building materials  
A method of recycling building materials is described, including the steps of introducing the building material into a cement kiln, and combusting a combustible portion of the building material as...
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...
6439137 Self-anchoring expansion gap assembly for a gasifier  
The self-anchoring expansion gap assembly for refractory lined vessels such as a gasifier includes a substantially annular insulating blanket structure formed of compressible refractory material. A...
6439136 Pulverized solid fuel nozzle tip with ceramic component  
A (MRFC) solid fuel nozzle tip ( 12 ) that is particularly suited to being cooperatively associated with a pulverized solid fuel nozzle ( 34 ) of a firing system of the type employed in a...
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...
6435860 Landfill condensate injection system  
An automated, computer-controlled landfill condensate injection system includes a pump that pumps condensate into a flare chamber at a pressure that is sufficiently high and through a nozzle that...
6435113 Incineration apparatus and method which suppress generation of dioxins  
A method for decreasing the concentration of a chlorinated aromatic compound in the exhaust gas from a combustion furnace. The exhaust gas from the combustion furnace is passed through a bag...
6431095 Method of improving combustion in a system having a circulating fluidized bed, and a corresponding system  
The method is applicable to a combustion system of the circulating fluidized bed type which system includes a hearth and a cyclone, and operates using fuel that is inserted into the bottom of the...
6431094 Reactive waste deactivation facility and method  
The reactive waste deactivation facility includes a plurality of deactivation bays each being adapted to accommodate a different type or reactive waste which is to be deactivated therein. The...
6427610 High temperature industrial furnace roof structure  
A refractory hanger brick for high temperature industrial furnace roof construction having an elongated upwardly extending refractory portion having a generally rectangular cross section and a...
6425976 Method for black liquor gasification in recovery boilers  
The invention refers to a method for black liquor gasification in recovery boilers, of the type having a lower portion, referred to as a lower furnace and an upper portion, referred to as an upper...
6425756 Tower furnace for heat treatment of metal strips  
A tower furnace for heat treatment of metal strips having a pre-heating section ( 3 ) and a high-temperature section ( 5 ) connected thereto at the top forming a housing ( 4 ) separate from the...
6425685 Process for reclaiming salvaged asphalt  
A process for reclaiming salvaged asphalt includes feeding salvaged asphalt mixed with new sands, stones and tar in a designed proportion into a double-layer drying machine including inner and...
6425336 Grate trough as part of a grate for a plant for the thermal treatment of waste  
A grate trough forms the lower part of a grate element which has a plurality of fixed and a plurality of movable grate block rows. The grate block rows each include a plurality of grate blocks...
6425335 Miniature garbage incinerator  
A miniature garbage incinerator includes a base, a cover on the base, a pot shaped furnace at the center of the base to define an revolving space therearound, a helical pipe connected to the air...
6422862 Insulation system for furnaces and kilns  
An insulation system for furnaces and kilns in which the number of splits between the insulation modules and the heat leaks produced at open sections caused by temperature changes are eliminated,...
6422161 Combustion grate and process for optimizing its operation  
A combustion grate including fire bars which are either wholly or partially cooled by a fluid circulating in a closed regulating circuit. The flow lines which conduct the fluid have thermal...
6422160 Apparatus for the combustion of vanadium-containing fuels  
Apparatus for the combustion of vanadium-containing fuels that makes use of the extremely high reactivity of the vanadium-containing fuels for combustion in a dust furnace. To avoid disadvantageous...
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,...
6418882 Power vented, fuel fired water heater with soft ignition system  
A power vented, gas fired water heater has a main gas burner disposed within a combustion chamber partially bounded by an arrestor plate having a spaced series of flame quenching combustion air...
6418866 Operating method of fluidized-bed incinerator and the incinerator  
The objective of the present invention is to provide a fluidized bed incinerator which will increase the thermal capacity of the freeboard to respond to fluctuations of the load imposed by waste...
6418865 Method for operating a boiler using oxygen-enriched oxidants  
A method for operating a boiler using oxygen-enriched oxidants includes introducing oxygen-enriched air, or oxygen and air, in which the oxygen concentration ranges from about 21% to about 100% by...
6418864 Incineration process and incinerator using heat generated from combustion to bake and sublimate waste to produce gases using as fuel for the burning  
An incineration process and an incinerator using heat generated from combustion to bake and sublimate waste to produce gas as for burning waste is designed to use heat generated from the gas as...
6415743 Method of decreasing nitrogen oxide emissions in a circulating fluidized bed combustion system  
In a combustion installation for burning a fuel, which installation includes a hearth operating as a circulating fluidized bed, and in which installation at least a fraction of the flow of solid...
6415724 Water-jacketed, high-temperature, stretcher-accessible door for a boiler  
An access door for a boiler or furnace has a water-cooled jacket mounted on a door panel frame for use in high temperature regions of furnaces and boilers. The door is large enough to permit a...
6412446 Method of firing in a boiler and a boiler for using the method  
Loosely stacked fuel ( 6 ) is introduced through a charging opening ( 5 ) into the furnace ( 1 ) of the boiler on a first support ( 7 ), and jets ( 25 ) of ignition air entraining hot flue gas from...
6412429 Extended life traveling grate side plate  
An extended life traveling grate side plate having a heat transfer opening formed in a front portion of the side plate. The side plates are attached to the lateral side surfaces of each chain in a...
6412428 Method and apparatus for drying and incineration of sewage sludge  
A system for drying sludge includes a shaftless spiral feed screw for moving sludge through a drying chamber. An high energy inductor is located at a output of the drying chamber for drawing hot...
6408771 Methods of improving productivity of black liquor recovery boilers  
Methods are presented to increase the throughput of a recovery boiler equipped with at least primary and secondary levels of injection of air. The methods comprise operating the recovery boiler...