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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...
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8172566 |
Liquid fuel combustion process and apparatus
An apparatus for combustion of a liquid fuel, such as an atomizer or burner, and an associated method using the apparatus for combusting an atomized liquid fuel. The apparatus for combustion has an...
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8172567 |
Lancing of oxygen
A method for providing uniform heat distribution within a furnace as well as decreasing the amount of NOx in the combustion products, when operating an industrial furnace having at least one...
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8092213 |
Flame arrester insert and process for its production
In a flame arrester insert comprising two metal strips (1, 2) wound together, of which a first metal strip (1) is a smooth strip and the second metal strip (2) is a grooved strip having defined...
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8075303 |
Method for homogenizing the heat distribution as well as decreasing the amount of NOx
Method for homogenizing the heat distribution as well as decreasing the amount of NOx in combustion products when operating an industrial furnace with at least one conventional burner using air as...
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8066509 |
Method and device for combusting hydrogen in a premix burner
A device for combusting fuel which contains or consists of hydrogen, is described, with a burner provided with a swirl generator and also a feeder for feeding fuel and a feeder for feeding...
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8057218 |
Method for burning liquid fuels
A method for burning liquid fuels, wherein an amount of total combustion air required for burning is introduced into the liquid fuel in the form of small air bubbles to provide a highly variable...
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8057221 |
Method and burner for burning with oxygen
A method and a burner for combustion in a heating furnace of a fuel with an oxidant in the form of oxygen gas, wherein fuel and oxidant are supplied to a burner head. Fuel and oxidant,...
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8057224 |
Premix burner with mixing section
A premix burner has a mixing section (3) for a heat generator, sectional conical shells (5) which complement one another to form a swirl body, enclose a conically widening swirl space (6), and...
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8016590 |
Combustion burner resulting in low oxides of nitrogen
A combustion burner resulting in low oxides of nitrogen includes a primary combustion zone, for use as an ignition source. The primary combustion zone locating within a combustion chamber, and...
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8007681 |
Methods, compositions, and burner systems for reducing emissions of carbon dioxide gas into the atmosphere
A method of preparing an oxidant stream comprising: burning a combustion mixture comprising (a) one or more fuel composition and (b) oxidant comprising a first oxygen content of about 10 mole % or...
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7922480 |
Combustion apparatus and wind box
The invention provides a combustion apparatus which can inhibit an NOx generation even in the case of promoting a mixing between a high-temperature combustion gas and an air so as to intend to...
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7914280 |
Combustion method and apparatus
A method comprises providing a combustion apparatus having an outer vessel and an inner conduit. The outer vessel has a first wall that defines an internal volume. The inner conduit is at least...
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7896647 |
Combustion with variable oxidant low NOx burner
Heating provided by a burner that combusts hydrocarbon fuel can be provided at a sequence of different heat transfer rates by adjusting the total oxygen concentration of oxidant streams fed to the...
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7874835 |
Radiant tube heater and burner assembly for use therein
A burner assembly for a radiant tube heater having an air duct portion for passage of combustion air to a radiant tube portion includes a mixing cup for mixing combustible gas and air and...
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7849682 |
Exhaust treatment device having a fuel powered burner
An aftertreatment burner for an exhaust treatment device is disclosed. The aftertreatment burner may have a mounting member, and a canister connected to the mounting member to form a combustion...
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7833010 |
Natural gas injection system for regenerative thermal oxidizer
The present invention provides a system and method for injecting natural gas in an RTO. The RTO may be, for example, a known type that has a rotary distributor, a center section divided into...
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7833009 |
Oxidant injection method
A method of combustion in a furnace comprising a firing zone and an exhaust zone, three oxidants and fuel comprising the steps of: introducing fuel into said firing zone; introducing a first...
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7819656 |
Heater and method of operation
A furnace, firing pattern and method of operating a heater that employs a combination of hearth burners and wall burners for the cracking of hydrocarbons is described. The firing pattern leads to...
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7780436 |
Flex-flame burner and combustion method
A combustion method and apparatus which produce a hybrid flame for heating metals and metal alloys, which hybrid flame has the characteristic of having an oxidant-lean portion proximate the metal...
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7758336 |
Process for the oxycombustion of a liquid fuel
The invention relates to processes for the combustion of liquid fuels, including a means of using an oxygenated gas in a combustion zone, applicable to steam boilers, which produces a longer, more...
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7756591 |
System for optimizing oxygen in a boiler
A method and apparatus for optimizing air flow to a boiler of a power generating unit using advanced optimization, modeling, and control techniques. Air flow is optimized to maintain flame...
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7717702 |
Direct sidewall vent system
A direct sidewall vent system between a fuel-burning appliance in a first space and an external atmosphere, through a wall between the first space and external atmosphere. The direct sidewall vent...
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7717701 |
Pulverized solid fuel burner
A burner includes a first oxidant conduit to transmit a first stream of an oxidant; a solid fuel conduit having an outtake and surrounding the first oxidant conduit, thereby forming a first annulus...
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7666345 |
Method and apparatus for melting metal
An apparatus for melting a metal load includes a furnace having a melting chamber with a hearth and a molten metal outlet. The apparatus further includes non-regenerative burners that are operative...
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7632090 |
Burner system and method of operating a burner for reduced NOx emissions
A burner system and method of operating a burner for reduced NOx emissions. The burner system comprises a flame stabilizer, at least one fuel staging lance, an actuated valve, a temperature sensor...
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7625201 |
Method and apparatus for testing catalytic converter durability
The present application relates in general to an apparatus and to methods for testing the performance of an automotive catalytic converter under conditions simulating those which occur in motor...
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7621154 |
Solid fuel combustion for industrial melting with a slagging combustor
A method for supplying heat to a melting furnace for forming a molten product using ash-containing fuels. A fuel having an ash component is introduced into a slagging chamber of a slagging...
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7618530 |
Heavy oil hydroconversion process
A method for the efficient conversion of heavy oil to distillates using sequential hydrocracking in the presence of both supported and colloidal catalyst immediately followed by a high...
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7618255 |
Apparatus and method for catalytic combustion
A catalytic combustion apparatus is equipped with a reactor for catalytically burning a gas to be treated containing a combustible organic compound, which further comprises a condensate forming...
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7594811 |
Method pertaining to combustion, and a burner
A method and apparatus relating to the combustion of a fuel with an oxidant in a heating furnace, wherein the fuel and the oxidant are delivered to a burner head. In a first method step fuel and...
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7581948 |
Burner apparatus and methods for making inorganic fibers
Inorganic fiber production burner apparatus and methods of use are disclosed. One burner includes a refractory block adapted to be in fluid connection with sources of primary oxidant and fuel, the...
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7549858 |
Combustion with variable oxidant low NOx burner
Heating provided by a burner that combusts hydrocarbon fuel can be provided at a sequence of different heat transfer rates by adjusting the total oxygen concentration of oxidant streams fed to the...
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7524186 |
Low emissions burner with premix flame stabilized by a diffusion flame
A low emissions burner includes a diffusion burner surrounded by an annular array of premix burners. The diffusion burner operates at maximum swirl air flow and at a low constant fuel rate to...
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7517372 |
Integrated fuel processor subsystem with quasi-autothermal reforming
The present invention includes an integrated fuel processor subsystem incorporating a thermal combustor, a catalytic combustor, a quasi-autothermal reactor (QATR) and a air-fuel-steam (AFS) mixer...
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7504026 |
Ultrasonic solution separation apparatus
The ultrasonic solution separation apparatus oscillates an undiluted solution containing a target material at an ultrasonic frequency to produce mist, and collects the mist to collect a target...
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7497682 |
Method of operating furnace to reduce emissions
Emissions of NOx and CO are reduced from combustion devices such as coal-fired furnaces by increasing the stoichiometric ratio of burner(s) having a lower average temperature and increasing the...
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7491055 |
Oxy-fuel reburn: a method for NOx reduction by fuel reburning with oxygen
A method is disclosed for reducing the NOx emission of fossil fuel burners. The method creates fuel-rich and fuel-lean zones within the boiler to enhance the removal of NOx species by creating a...
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7484955 |
Method for controlling air distribution in a cyclone furnace
Methods for cyclone boiler flame diagnostics and control, including methods for monitoring the operating state of a cyclone furnace using linear and nonlinear signal analysis techniques, including...
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7484956 |
Low NOx combustion using cogenerated oxygen and nitrogen streams
Combustion of hydrocarbon fuel is achieved with less formation of NOx by feeding the fuel into a slightly oxygen-enriched atmosphere, and separating air into oxygen-rich and nitrogen-rich streams...
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7481650 |
Direct gas-fired burner assembly with two-stage combustion
A direct gas-fired burner assembly is disclosed in which a two-stage flame is produced. A gas manifold is attached to two baffles with apertures disposed therein. The apertures are designed such...
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7467943 |
Method for combusting fuel in a fired heater
A method for combusting fuel in a fired heater having one or more burners, the method. comprising: (a) combusting at least a portion of the fuel in the. presence of an oxidizer in the burners,....
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7467942 |
Device and method for flame stabilization in a burner
A device and a method for flame stabilization in a burner (10), includes a burner housing at least partially enclosing a burner volume, into which may be introduced via at least one fuel line,...
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7430970 |
Burner with center air jet
A new burner apparatus and method of combusting fossils fuels for commercial and industrial application is provided wherein the new burner apparatus achieves low NOx emissions by supplying oxygen...
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7390189 |
Burner and method for combusting fuels
A burner includes separate fuel and oxidant conduits. The fuel conduit has inlet, transitional, and outlet sections, and the oxidant conduit has inlet and outlet sections. The cross sectional flow...
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7363867 |
Method and apparatus for adding reducing agent to secondary overfire air stream
A combustion boiler for burning fuel and producing heat to generate steam. A method of minimizing discharging of nitrogen oxides from a combustion boiler comprising the steps of spraying a reducing...
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7335015 |
Method for controlling or regulating a burner
Method for controlling or regulating a burner (5) to which a defined air quantity (3) and fuel quantity (4) are fed, the exhaust gas (6) formed during the combustion being fed to a sensor (7), and...
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7303388 |
Staged combustion system with ignition-assisted fuel lances
Combustion system comprising a furnace having a thermal load and a combustion atmosphere disposed therein; one or more fuel lances adapted to inject fuel into the combustion atmosphere; and one or...
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7264466 |
Method and apparatus for radiant tube combustion
A method and apparatus provide combustion in a radiant tube in first, second and third stages, with flue gas recirculation that begins at the second stage.
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7249946 |
Thermal generator and combustion method for limiting nitrogen oxides emissions by re-combustion of fumes
The invention relates to a thermal generator comprising a furnace tube (2) wherein a fuel is burnt, recombustion means (14, 15) for reducing the nitrogen oxides content present in said fumes and...
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