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US20110048294 Particulate Deflagration Enhanced Firebox  
A particulate deflagration enhanced firebox for burning particulate fuel either alone or in combination with other fuels and the associated method. The firebox may be employed in association with...
US20120255471 Solar Boiler System  
It is an object of the present invention to provide a solar boiler system that can suppress the installation cost for a solar heat collector and significantly improve gross thermal efficiency...
US20100064953 EXHAUSTER BYPASS SYSTEM  
An exhauster bypass system 20 receives an input flow of gases and entrained fine solid particles 15 from a pulverizer 12 and separates the input flow into a particle-deficient gas flow and a...
US20120210917 Solid Fuel Burner  
Burner for conveyor gas propelled particulate solid fuel, said burner comprising a burner block and an injector assembly, the injector assembly being at least partially surrounded by an injector...
US20100077944 COMBUSTION SYSTEM WITH PRECOMBUSTOR  
A precombustor having a chamber having a first end and a second end, and an inlet configured to deliver a substantially parallel flow of solid fuel surrounded by oxygen at the first end. The first...
US20070272132 Ultra low NOx burner replacement system  
A replacement burner system which facilitates reduction of nitrous oxide produced during combustion of a fuel. The replacement burner system comprising a fuel supply duct having an inlet and an...
US20100081102 SYSTEMS AND METHODS FOR FACILITATING VARYING SIZE COAL PIPES FOR A PULVERIZED COAL BURNER  
Embodiments of the invention can include systems and methods for facilitating varying coal pipes for a pulverized coal burner. In one embodiment, a method for improving operation of a pulverized...
US20120122042 METHOD AND ASSEMBLY FOR IMPROVING THE DYNAMIC BEHAVIOR OF A COAL-FIRED POWER PLANT  
The invention relates to a method for improving the dynamic behavior of a coal-fired power plant for primary and/or secondary requirements of the power grid operator with respect to the current...
US20150090165 SYSTEM AND METHOD FOR RETROFITTING A BURNER FRONT AND INJECTING A SECOND FUEL INTO A UTILITY FURNACE  
This disclosure may relate generally to systems, devices, and methods for a injecting a compound through a sootblower, burner or other utility furnace hardware, such that the compound can be...
US20110146543 Particulate Fuel Combustion Method and Furnace  
Method of operating a combustion furnace comprising at least one pair of particulate fuel burners positioned opposite one another across a combustion zone, whereby each burner of a pair operates...
US20090277363 Oxyfuel Boiler System and Method of Retrofit of Air Fired Boiler to Oxyfuel Boiler  
An oxyfuel boiler system, comprising: an oxygen generator to separate oxygen from air; a coal supply unit to dry and pulverize coal; a burner having a fuel feed path for feeding pulverized coal...
US20090235851 Method, Device and System for Enhancing Combustion of Solid Objects  
A system, device and method for enhancing burning of a solid object in a combustion process is provided where one or more incineration devices (101) for burning a solid object (101), at least one...
US20080190337 System and method for the operation of a furnace that is operated with at least one coal pulverizer  
A primary air system for a combustion plant provides a flow of primary air to at least one coal pulverizer, which emits pulverized coal in a downstream direction to a furnace. The primary air...
US20080127869 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...
US20090000532 Pulverized coal burner for firing fuel which is fed by dense phase conveyance  
With a burner, especially pulverized coal burner, with a fuel conveying tube and a primary air tube which is concentrically arranged within it, wherein the primary air tube on the mouth discharge...
US20140305355 Oxy-Solid Fuel Burner  
A solid fuel/oxygen burner including a central oxygen conduit extending toward a tip end of the burner, an outer fuel conduit surrounding the oxygen conduit, an inner fuel conduit positioned...
US20060201405 Cyclone furnace for oxygen fired boilers with flue gas recirculation  
A cyclone furnace and method uses a cyclone burner having a cyclone barrel with a re-entrant throat connected to a main furnace for passing combustion products including flue gas that is rich in...
US20070251432 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...
US20110203498 Methods, Apparatus and Systems for Improving the Operation of Cyclone Boilers  
A process that uses targeted in-furnace Injection to feed a fluxing agent of the chemical family of compositions containing boron and/or alkali hydrates to either decrease heat transfer on...
US20130040251 SYSTEM AND METHOD FOR OPTIMISING COMBUSTION IN PULVERISED SOLID FUEL BOILERS, AND BOILER INCLUDING SUCH A SYSTEM  
The system comprises a boiler (1), main burner groups (2F, 2E, 2D, 2C) located on different levels or zones through which pulverized solid fuel is injected into the boiler (1) and main mills (3F,...
US20100006013 ENERGY RECOVERY AND TRANSFER SYSTEM AND PROCESS  
A process for energy recovery and transfer including: warming fresh air in a heat recovery and pressure control unit; feeding waste feed and the warm fresh air into a processor; reducing a...
US20080006188 Increasing boiler output with oxygen  
A fuel-fired steam generation apparatus such as a boiler can produce steam at a rate higher than the maximum rate at which it can produce steam using air as the only source of oxygen for...
US20060169181 Method and burner apparatus for injecting a pulverized coal into rotary kilns, method and apparatus for producing cao using them  
The invention relates to a method and burner for injecting pulverized coal into a rotary kiln that uses pulverized coal as fuel in order to produce quick lime of excellent hydration level. The...
US20070119352 Process for slag and corrosion control in boilers  
A slag and corrosion control process is described. The process entails: identifying the location of at least one slagging problem area in a boiler; introducing a slag control chemical comprising...
US20130291772 COMBUSTION SYSTEM AND METHOD FOR OPERATING SAME  
An oxygen combustion system includes a boiler to burn fuel using combustion gas composed of oxygen-rich gas and circulating flue gas, a dust remover disposed in a flue through which flue gas...
US20080000404 Method for starting high-performance entrained flow gasification reactors with combination burner and multiple burner array  
A method for starting high-performance entrained flow gasification reactors with a combination burner or a plurality of pulverized fuel burners, and an ignition and pilot burner. The ignition and...
US20100024698 METHOD FOR REDUCING NOx DURING COMBUSTION OF COAL IN A BURNER BY OPTIMIZING COMBUSTION AIR FLOW  
An initial coal feedstock comprised of primary or second coal is cleaned so as to reduce its ash content by at least about 20% in order to yield a refined coal product that produces fewer NOx...
US20130252182 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...
US20110136066 Bio-fuel furnace  
This bio-fuel furnace includes a combustion unit and separate fuel feed unit mounted atop the combustion unit. The combustion unit includes a cylindrical burn pot, a preheat module, an expansion...
US20120304905 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...
US20140130723 Device and Method for Controlling The Fuel-Air Ratio in the Combustion of Ground Coal in a Firing System of a Coal-Fired Power Station  
Coal-fired power station with controller for air-fuel ratio in combustion of ground coal, with pneumatic conveying of ground coal to burners of power station. An electrode (10) with average radius...
US20070125282 METHODS AND SYSTEMS FOR REDUCED NOx COMBUSTION OF COAL WITH INJECTION OF HEATED NITROGEN-CONTAINING GAS  
A stream of nitrogen-containing gas is heated and injected into a stream of coal and conveying gas to produce a stream of mixed nitrogen-containing gas, coal, and conveying gas. Oxygen is injected...
US20110107948 BIOMASS-MIXED-FIRING PULVERIZED COAL FIRED BOILER AND OPERATION METHOD OF THE BOILER  
A biomass-mixed-firing pulverized coal fired boiler includes: a furnace for burning biomass fuel together with pulverized coal in a mixed state; a pulverized coal burner for supplying the...
US20150167971 BURNER WITH OXYGEN AND FUEL MIXING APPARATUS  
An apparatus is provided for combining oxygen and fuel to produce a mixture to be burned in a burner. The oxygen-fuel mixture is ignited in a fuel-ignition zone in a flame chamber to produce a flame.
US20120312207 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...
US20110023760 PROCESS FOR USING A FACILITY FOR COMBUSTING CARBONACEOUS MATERIALS AND RELATING FACILITY  
The invention concerns a process for using a facility in which circulates at least one oxide which is reduced and then oxidized in each of both reactors (1, 4) and including a reactor (1) for...
US20090025390 Low CO2 Thermal Powerplant  
A method for generation of electrical power mainly from a coal based fuel, where the combustion gas is separated into a CO2 rich stream and a CO2 poor stream in a CO2 capturing unit, the CO2 poor...
US20080105176 STAGED-COAL INJECTION FOR BOILER RELIABILITY AND EMISSIONS REDUCTION  
A staged-coal injection procedure for coal-fired boilers used in power generation. The procedure includes the steps of combusting a first type of coal in a first zone of a furnace; and combusting...
US20090280442 Device And Method Of Combusting Solid Fuel With Oxygen  
The present invention is a method of combustion of a solid fuel stream with oxygen. The present invention includes introducing a first stream, comprising a first portion of substantially pure...
US20100083884 Method and burner for burning solid fuels  
The present invention relates to a burner and to a method for burning solid fuels, which comprises a tube for the supply of a flow of solid fuel; a first chamber that has an inlet and an outlet,...
US20080264310 Combustion Method and System  
A method of combustion for pulverized hydro-carbonaceous fuel includes the steps of injecting an oxidant/fuel stream into a burner, causing a low-pressure zone; directing a flow of a...
US20100275825 MODIFYING TRANSPORT AIR TO CONTROL NOX  
Using oxygen-lean gas as the transport medium in which pulverized fuel solids are conveyed to the burner of a combustion system permits combustion at levels of combustion rate and NOx production...
US20140261114 SYSTEM AND METHOD FOR LOW LOAD OPERATION OF COAL MILL  
Disclosed herein is a coal fed power generation system comprising a mill in fluid communication with a furnace; where the mill is operative to pulverize coal and to ventilate the coal; where the...
US20140305356 Wide-Flame, Oxy-Solid Fuel Burner  
A wide-flame solid fuel/oxygen burner including a fuel nozzle having an aspect ratio of at least about 2 defined by the ratio of a fuel nozzle width, W, measured along a major axis centerline, to...
US20110100271 Device and Method for Controlling the Fuel-Air Ratio During the Combustion of Ground Coal in the Firing System of a Coal Power Plant  
A device and method for controlling fuel-air ratio during combustion of ground in a coal power plant, including pneumatic delivery of ground coal to the burners and feeding combustion air to...
US20090183660 Method for controlling the combustion air supply in a steam generator that is fueled with fossil fuels  
A method for controlling the combustion air supply in a steam generator that is fueled with fossil fuels, the combustion air being supplied gradually in different combustion zones. The combustion...
US20090241816 Process for improved combustion of fuel solids  
The invention provides a combustion process using comminuted fuel solids from a steam-driven shear field, with controlled water content and optionally coated with a combustion catalyst. The method...
US20090084294 Combustion System and Process  
A method and apparatus for reducing NOx emissions in a coal burning furnace of a power plant without utilizing techniques downstream of the furnace, such as SCR and SNCR, is provided. In a primary...
US20110107944 METHOD AND APPARATUS OF CONTROLLING EXHAUST GAS IN OXYFUEL COMBUSTION BOILER  
Provided are a method and an apparatus of controlling exhaust gas in an oxyfuel combustion boiler which can attain stable combustion of the boiler while an amount of unburned combustibles and a...
US20140305357 DUAL PHASE FUEL FEEDER FOR BOILERS  
A dual phase fuel feeder is disclosed that can be used to provide both solid fuels and liquid fuels to a boiler, such as a fluidized bed boiler. The fuel feeder includes a sloped chute which...

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