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6986311 |
Burner system and method for mixing a plurality of solid fuels
A burner assembly cofires a primary solid fuel and a secondary solid fuel in a combustion zone of a boiler. The burner assembly includes a fuel injector that mixes the primary solid fuel and the...
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6973883 |
Reburn system with feedlot biomass
The present invention pertains to the use of feedlot biomass as reburn fuel matter to reduce NO x emissions. According to one embodiment of the invention, feedlot biomass is used as the reburn...
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6951454 |
Dual fuel burner for a shortened flame and reduced pollutant emissions
A dual fuel burner including an elongated supply pipe and a gas injector for a boiler furnace having a plurality of peripheral openings around a center opening. The peripheral openings are pitched...
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6732665 |
Method for generating thermal energy from fine-grained oilseeds, preferably from rapeseed, and device for carrying out the method
The invention relates to an arrangement for utilizing small-grained oilseeds, preferably rapeseed, without the need for prior processing of the seeds such as expressing the oil, in which a pressure...
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6595769 |
Combustion burner and mixer for combustion burner
A combustion burner includes a nozzle body formed in the shape of a pipe having an jet hole and a fuel nozzle installed into the nozzle body including an air jet hole, and having a fuel supply...
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6546883 |
Thermo-oxidizer evaporator
A thermo-oxidizer evaporator is provided with a combustion chamber, burners, and waste water injection system. The waste water injection system is preferably adapted to atomize the waste water...
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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...
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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...
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6379146 |
Flow divider for radiant wall burner
A flow divider for use in a gas burner assembly supported in an opening in a furnace wall has injected fluid, such as gas and/or air, flowing through an inner burner pipe then outwardly through a...
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6360677 |
Injector for a burner and corresponding injection system
An injector for a burner is provided in which assemblies for injecting the main and auxiliary fuels and the oxidizer are arranged radially, one around the other, about a longitudinal axis. The...
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6269755 |
Burners with high turndown ratio
Various burner configurations for combustion of a particulate fuel such as sawdust, and many types of varying moisture content biomass fuels such as poultry litter. The burners exhibit a high...
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6260492 |
Method and apparatus for burning fuel in the free board of a pressurized fluidized bed with solids recirculation
A method of combustion in a pressurized, fluidized bed and in the freeboard thereof. The combustion method is further characterized by the recirculation of solid sulfur absorbing materials. A gas...
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6244200 |
Low NOx pulverized solid fuel combustion process and apparatus
A method and apparatus for low-NO x combustion of a pulverized solid fuel in which combustion products from a partial oxidation combustor are mixed with a pulverized solid fuel, thereby preheating...
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6237510 |
Combustion burner and combustion device provided with same
A combustion burner includes a mixture nozzle (2) defining a mixture fluid passage through which a mixture fluid (1) containing pulverized coal and conveyor gas flows toward a furnace, secondary...
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6216613 |
Combustion process
A process for solid fossil fuel oxidation that utilizes a refractory that defines a reactor core and a combustor chamber in serial communication. The reactor core is heated by burning an air fuel...
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6196142 |
Method and burner for introducing fuel to a kiln
A method and apparatus for introducing solid, liquid or gaseous fuel into a burning zone of a rotary kiln for manufacturing cement clinker. Fuel is conducted through a duct or ducts and primary air...
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6152051 |
Powered fuel combustion burner with nozzle flow guide
A combustion burner includes a mixture nozzle, a gas supply nozzle, and a flow guide. The mixture nozzle extends toward an interior of a furnace, and defines a mixture passage through which a...
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6152052 |
High temperature material face segments for burner nozzle secured by brazing
A water jacket face of a burner nozzle for a synthesis gas generator is protected from hot gas corrosion by an annular heat shield of high temperature material tiles. Angular segments of a tile...
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6112676 |
Pulverized coal burner
A pulverized coal burner includes a pulverized coal nozzle for jetting a mixture of pulverized coal and primary air, a secondary air nozzle and a tertiary air nozzle, concentrically arranged around...
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6089170 |
Apparatus and method for low-NOx gas combustion
A low NOx gas combustor includes an air injection mechanism to create a combustion air path. A set of arc-shaped gas injector arrays are formed in an annular configuration. Each arc-shaped gas...
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6041743 |
Water-tube boiler and burner
The invention provides a water-tube boiler and a burner capable of realizing a reduction in NO x and CO in both the combustion of liquid fuel and the combustion of gaseous fuel. The water-tube...
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5960724 |
Method for effecting control over a radially stratified flame core burner
A method for effecting control over a radially stratified flame core burner that is particularly suited for employment in a firing system of a fossil fuel-fired furnace for purposes of reducing the...
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5908003 |
Nitrogen oxide reduction by gaseous fuel injection in low temperature, overall fuel-lean flue gas
A process and apparatus for combustion of a solid carbonaceous material, for example coal, in which a mixture of the solid carbonaceous material and combustion air is injected into a combustion...
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5890442 |
Gas stabilized reburning for NO.sub.x control
A coal-water slurry liquid fuel or coal or other liquid fuel is atomized for combustion in the reburn zone of a boiler with a relatively small addition of natural gas to produce NO x reductions...
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5878676 |
Burner and furnace operated with at least one burner
A burner is provided for a furnace having at least one windbox that is supplied with air for combustion and has extending therethrough at least one such burner, which opens out toward the...
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5829369 |
Pulverized coal burner
A burner having lower emissions and lower unburned fuel losses by implementing a transition zone in a low NO x burner. The improved burner includes a pulverized fuel transport nozzle surrounded by...
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5823764 |
Three-stage low NOx burner for burning solid, liquid and gaseous fuels
A low NOx burner comprising ducts for the primary (6), secondary (7) and tertiary air (14), arranged coaxially around its longitudinal axis, for supplying of the primary, secondary and tertiary...
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5806443 |
Pulverized coal burner and method of using same
To provide a pulverized coal burner capable of reducing the NOx concentration at the time of a low load, a pulverized coal burner includes a secondary air nozzle and a tertiary air nozzle...
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5724901 |
Oxygen-enriched gas burner for incinerating waste materials
An oxygen-enriched gas burner and method of operation thereof for incinerating and/or melting and/or vitrifying and/or performing thermal treatment and/or oxidizing ground/liquid waste materials...
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5709160 |
Apparatus for the combustion of fluids with high particle content
An apparatus for the combustion of a suspension of a combustible liquid and combustible solids in particle shape, for instance carbon particles, includes a tank, a burner unit and a pipe which is...
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5685242 |
Pulverized coal combustion burner
A pulverized coal combustion burner includes a pulverized coal nozzle, and secondary and tertiary air nozzles provided in concentric relation to the pulverized coal nozzle. A flame stabilizing ring...
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5680823 |
Short flame XCL burner
A pulverized fuel burner having lower emissions and lower unburned fuel losses by outwardly diverting and swirling pulverized fuel at the outlet of a fuel nozzle carrying the pulverized fuel....
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5651320 |
Burner for burning powdered fuel
A burner for burning powdered fuel in air. The air is divided into concentric annular currents. A tube (6) conveys primary air or gas. The tube is surrounded by another tube (12). The second tube...
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5649494 |
Burner for the combustion of fuel
A burner (10) for the combustion of fuel comprises a passage (32) through which in operation a mixed flow of fuel and air passes for primary combustion at it's outlet. Two further annular passages...
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5649325 |
Apparatus and method for burning energetic material
An apparatus and method for burning combustible material are provided. The apparatus has a combustion chamber with an intake and an exhaust end, a means for injecting combustible material into the...
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5605103 |
Internal pitch impeller for a coal burner
A coal burner with impeller for a furnace has a housing containing a plurality of sets of blades which direct the fuel from the coal nozzle into a plurality of non-intersecting flows directed...
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5588379 |
Mixing device and method for gaseous liquid of pulverised substances
Device for mixing gas, liquids or pulverized solid substances with a gas flow (1), whirling (vortex) around an axis in the flow direction. The whirling gas flow is guided through a converging...
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5411394 |
Combustion system for reduction of nitrogen oxides
Low NO x burners for the combustion of gaseous, liquid and solid fuels. The fluid dynamic principle of radial stratification by the combustion of swirling flow and a strong radial gradient of the...
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5323715 |
Apparatus for treating waste oil
In an apparatus for burning a combustible liquid containing a combustible liquid and water, a furnace (1) has a lower portion, an upper portion and a side portion extending between the lower...
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5231937 |
Pulverized coal burner, pulverized coal boiler and method of burning pulverized coal
A burner for pulverized coal has a coal duct for pulverized coal and primary combustion air and a secondary combustion air duct such that the coal and primary air and secondary air mix outside the...
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5203692 |
Burner for solid and liquid or gaseous fuel
A burner (1) for feeding solid and liquid or gaseous fuel into a burning zone (8) of a kiln, for instance a rotary kiln, and comprising central duct (2) for liquid or gaseous fuel, a surrounding...
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5186111 |
Device for injecting sludge into an incinerator
Device making it possible to effect the injection of sludge originating, in particular, from sewage-purification stations, into the combustion chamber of an incinerator, in particular of a...
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5094610 |
Burner apparatus
A burner apparatus which comprises a pilot burner including a nozzle and swirlers disposed around the nozzle, and a plurality of main burners which are arranged around the pilot burner and each of...
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5038722 |
Fuel burner for a boiler
Improvements in a fuel burner for a boiler comprising a first assembly (S 1 ) for delivering into the boiler (3) a fuel stream, a second assembly (S 2 ) for delivering into the boiler a stream of...
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4960059 |
Low NOx burner operations with natural gas cofiring
A method is disclosed which overcomes the problems which tend to occur in the retrofitting of coal burners for low-NOx emission. A gaseous or volatile liquid fuel is introduced into the primary or...
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4951581 |
Combined oil gun and coal guide for power plant boilers
In a power plant boiler having oil and coal burning capability, a coal disperser support tube and an oil gun extending through the disperser support tube are slidable in a bearing sleeve extending...
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4932337 |
Method to improve the performance of low-NOx burners operating on difficult to stabilize coals
A method is disclosed which overcomes the problems which tend to occur in application low-NOx burners to coals in which the volatile matter is low in heat content. A gaseous or volatile liquid fuel...
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4924784 |
Firing of pulverized solvent refined coal
A burner for the firing of pulverized solvent refined coal is constructed and operated such that the solvent refined coal can be fired successfully without any performance limitations and without...
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4907962 |
Low NOx burner
A low NOx burner comprises a pulverized coal nozzle for injecting a flow of a mixture of pulverized coal with primary air, a secondary air nozzle arranged externally of and coaxially with the...
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4807541 |
Apparatus for low concentration NOx combustion
A combustion apparatus for low concentration NOx for burning gas, oil and coal along the same axis, having overcome the drawbacks of the prior art, without hindering the whirling of the air and...
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