Match Document Document Title
9033697 Method for starting a burner  
A method for starting a burner for combusting synthesis gases is provided. The burner includes first and second fuel passages, the first fuel passage encompasses the second fuel passage in a...
9016216 Methods of combustion of powdered fuels and powdered fuel dispersions  
Methods of combustion include metering a substantially explosible powder into an oxidizing gas using a positive displacement powder dispersion device to suspend the powder in the gas and directing...
9017067 Oxygen enrichment of premix air-gas burners  
A premix burner arrangement for safely oxygen-enriching a premix air-fuel combustion system is disclosed. In the disclosed burner arrangement, a first conduit is arranged and disposed to provide a...
8973567 Adapting of an oxy-combustion plant to energy availability and to the amount of CO2 to be trapped  
A carbon fuel combustion process, employing an air gas separation unit, a combustion unit operating either with air or with an oxidizer leaner in nitrogen than air, coming from the air gas...
8726819 Burner  
A burner is arranged axially of a burner throat on a furnace wall and includes a nozzle body housed in a wind box and with a secondary air adjuster on a leading end of the nozzle body. The...
8707876 Stepped floor for solid fuel boilers  
A design and method of operation for the floor of solid fuel boilers is described. The combustion region includes a stepped-floor that improves combustion in the lower furnace. In some...
8707877 Solid fuel and oxygen combustion with low NOx and efficient burnout  
Solid particulate fuels are combusted with a primary oxidant stream of industrially pure oxygen and a secondary oxidant stream of industrially pure oxygen optionally mixed with a portion of...
8702418 Device and method for efficient mixing of two streams  
In one embodiment, a method for generating heat energy includes injecting a stream having a concentration of at least 50% oxygen (O2 stream) into a primary gas stream through a mixer, the mixer...
8689708 Method and device for combustion of solid fuel  
Method and device for combusting a solid phase fuel, where the fuel is caused, by the help of a non-pneumatic feeding element (11), to be fed to an inlet opening (11a) in a burner device (10),...
8680349 Apparatus for conducting thermolysis of plastic waste in a continuous manner  
The invention provides an apparatus and method for thermolysis of waste plastic in which reaction residue and carbonization products are continuously removed. The apparatus includes a feeding...
8661993 Heavy fuel-fired boiler system and operating method thereof  
In an exhaust gas treatment system including a denitration device that removes nitrogen oxide in exhaust gas from a heavy fuel-fired boiler, an air preheater that recovers heat in the gas after...
8656846 Continuous real time heating value (BTU)/coal flow balancing meter  
A method and an apparatus for continuous real time heating value/coal flow balancing of coal from a coal feeder to a burner. The apparatus includes a Dual-energy Gamma Attenuation...
8646394 Burner  
A burner 15 where a secondary air regulator 36 is provided on a forward end of a nozzle main unit 16 to be installed along the central axis of a burner throat 13 being installed on a furnace wall...
8640634 Combustion air system for recovery boilers, burning spent liquors from pulping processes  
An arrangement is disclosed for supplying an air jet form to the furnace of a recovery boiler, where the furnace has a front wall, a rear wall and side walls. Black liquor spraying devices are...
8578965 Device and method for supplying a sorbent  
The present invention relates generally to a device and method for supplying a sorbent, at one or more various desired supply points in a flue gas stream, to boilers, heaters, kilns, or other flue...
8561554 Burner structure  
To provide a burner structure in which a burner is capable of highly precisely controlling the flow rate of the air for combustion within itself. An air flow passage (11) in a wind box (12) for...
8550018 Stirring control method and stirring control device for a combustion apparatus  
A stirring control method is adapted for a combustion apparatus which includes a furnace for burning fuel material, and a stirring member rotatably disposed in the furnace for stirring the fuel...
8539891 Method for reducing air flow when operating a coal burner  
An initial coal is cleaned to reduce ash content by ≧20% and yield refined coal that optimizes combustion air flow through a coal burner. This permits conveyance of pulverized refined coal in...
8518133 Parallel path, downdraft gasifier apparatus and method  
A gasifier is disclosed. The gasifier may include a housing and a refractory system contained within the housing. The refractory system may comprise an upper manifold, an intermediate portion, and...
8505472 Pulverized coal-fired boiler and pulverized coal burning method  
A pulverized coal-fired boiler efficiently supplies air to a central part of a furnace and the neighborhood of a furnace wall, thereby promoting mixture with combustion gas, and reducing both NOx...
8500891 Waste heat recovery from a carbon capture process  
A system and process for capturing CO2 100 is disclosed. The process 100 includes reusing heat from a CO2 compression process 120 by providing the heat to a fuel treatment process 130. The heat...
8490556 Method and facility for feeding carbon dioxide to oxyfuel combustion boiler  
Provided are fuel feed means 3, an air separation unit 6 air feed means 7, a combustion furnace 11 with a burner 9 for combustion, an exhaust gas line 14 for leading an exhaust gas from the...
8470290 Methods and apparatus for industrial waste recovery  
This application concerns methods and apparatus for use in industrial waste recovery operations such as recovery of non-consumed chemicals in industrial processes, with recovery of quick lime in a...
8459986 Oxygen to expand burner combustion capability  
A burner at which fuel cannot be combusted with air as the only source of oxygen for combustion in a stable flame at the burner when the feed rate of the fuel is too low, when the fuel is fed at...
8453584 Method for handling substance from which combustible gas volatilizes, method for producing solid fuel, method for storing solid fuel, method for using solid fuel, and apparatus for using solid fuel  
A method for handling a substance from which a combustible gas volatilizes. A method for handling a substance from which a combustible gas volatilizes, in which, when such substance is handled...
8453585 Oxy-combustion coal fired boiler and method of transitioning between air and oxygen firing  
A new and unique boiler and method of transition between air and Oxy-combustion in a coal fired combustion process wherein near pure oxygen may be introduced to the boiler furnace in several...
8408148 Increasing the efficiency of combustion processes  
The invention provides a method of increasing the efficiency of a combustion process by adding bentonite to the flame, fireball or burner region combustion zone of the combustion process. Also...
8393065 Retrofit method for pulverized coal boiler  
A method for retrofitting a pulverized coal boiler in an air combustion boiler system is disclosed, which has a plurality of burners over a plurality of stages along the vertical direction on a...
8393893 Rotary furnace burner  
In order to provide a rotary-furnace burner in which the quantity fraction of cost-effective particulate secondary fuels to be used as energy carriers can be increased and the configuration of the...
8316782 Indirect heating system with upgrading of ultra-fine fuel particles  
The invention relates to an indirect heating system in which a solid fuel circulates in the form of particles. The inventive system comprises a grinding station, a furnace (7), at least one...
8277543 Fossil fuel fired, closed cycle MHD generator in parallel with steam turbine cycle with zero emissions and CO2 sequestration  
Disclosed is a gaseous fossil fuel fired, indirectly heated, Brayton closed cycle comprising an alkali metal seeded noble gases that is rendered non-equilibrium, electrically conducting in a...
8231380 Combustion method with cyclic supply of oxidant  
The invention concerns a combustion method for industrial furnace comprising an arrangement of two substantially parallel and symmetrical burner assemblies (G, D). Each burner assembly comprises a...
8230796 Air-fired CO2 capture ready circulating fluidized bed steam generators  
A combustor 110 is operative to effect therewith the combustion of fossil fuel 114′ in order to thereby both heat to a working fluid 102 and generate a flue gas 104. An air preheater 144 receives...
8225524 Air wiping device  
An air wiping device for drying an elongated product that passes through the air wiping device. The air wiping device includes a housing having an internal elongated tubular passage through which...
8220400 Process for efficient energy recovery from biomass  
A method for extracting energy from biomass depleted of at least some carbohydrate, at least some oil, or both by a) introducing the biomass into a vertically elongated combustion chamber having...
8196532 Air-fired CO2 capture ready circulating fluidized bed heat generation with a reactor subsystem  
A combustor 110 combust a fluidized bed of fossil fuel 114, 114′ to heat a working fluid 102 and generate flue gas 104. An air preheater 144 has first and second gas passageways 144a, 144b for...
8176911 Regulating overfire air in a boiler using an overfire air tube damper  
A method to regulate overfire air passing through an overfire air duct and entering a flue gas stream in a combustion system including: directing overfire air into an inlet of the overfire air...
8177547 Method for starting a burner  
The invention relates to a method for starting a burner for combusting synthesis gases, wherein said burner comprises first and second fuel passages, the first fuel passage encompasses the second...
8117974 Biomass energy recovery apparatus  
An apparatus for extracting energy from fiber introduced as a fuel into a vertically elongated combustion chamber having a suspension burner capable of projecting a flame down the axis of the...
8117975 Fossil-fuel-fired system having reduced emissions and method of operating the same  
A fossil-fuel-fired system, which includes an emissions-control-agent dispenser, a furnace, an emissions monitor and, optionally, a controller, is disclosed. The emissions-control-agent dispenser...
8113824 Large diameter mid-zone air separation cone for expanding IRZ  
A large diameter mid-zone air separation cone is provided for decreasing NOx during burner operation by expanding the internal recirculation zone (IRZ) at the burner exit. The mid-zone air...
8105401 Parallel path, downdraft gasifier apparatus and method  
A method for using a downdraft gasifier comprising a housing and a refractory stack contained within the housing. The refractory stack may comprise various sections. Apertures in the sections may...
8104412 Deflector device for coal piping systems  
A deflector device for improving particle distribution within a coal piping system includes a base defining an outer circumference. The base is configured to be mounted inside a pipe such that the...
8100064 Fuel staging methods for low NOx tangential fired boiler operation  
A tangential fired boiler includes a circumferential wall defining a combustion zone, the circumferential wall being generally rectangular when viewed along a generally horizontal cross-section. A...
8100992 Biomass gasification apparatus  
A biomass thermochemical gasification apparatus is provided that can manufacture high-quality fuel gas out of solid biomass in an industrial manner. This fuel gas can be used as fuel for a gas...
8091491 Integrated system for the extraction of heavy ash, conversion thereof into light ash and reduction of unburnt matter  
The present invention is about a process for treating all the ashes produced by a coal dust boiler (1), able to reduce the total unburnt matter content, to increase the combustion efficiency of...
8082860 Anti-roping device for pulverized coal burners  
An orifice plate for improving particle distribution within a coal piping system includes a plate body defining a central orifice therethrough bounded by an inner periphery of the plate body. The...
8015932 Method and apparatus for operating a fuel flexible furnace to reduce pollutants in emissions  
A fuel flexible furnace, including a main combustion zone, a reburn zone downstream from the main combustion zone, and a delivery system operably coupled to supplies of biomass and coal and...
7926432 Low NOx cyclone furnace steam generator  
A low NOx Cyclone furnace steam generator including redesigned or modified Cyclone furnaces, air flow distribution, and new or relocated air ports maintains and/or minimizes NOx emission levels...
7913632 Combustion method and system  
A method of combustion for pulverized hydrocarbonaceous fuel includes injecting a concentrated fuel and air stream into a burner, causing a low-pressure zone; directing a flow of a...