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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Application No. | Application Title | Issue Date |
| 20120042810 | Steam Generation System Having Multiple Combustion Chambers and Dry Flue Gas Cleaning A method for producing steam while concurrently reducing emissions. The method includes combusting fuel and an oxidant stream having a high concentration of oxygen in a combustion zone having multiple combustion chambers and heat exchangers to produce a flue gas. The fl... | 02/23/2012 |
| 20120017811 | ENCLOSED GRANULAR FUEL BURNING BOILER There is illustrated a fuel fired brazier for an enclosed granular fuel burning boiler. The brazier has an apertured grate-like brazier base. The brazier base is moved by an actuator from an operative position, retaining fuel in the brazier to a discharge position where... | 01/26/2012 |
| 20120012036 | Once Through Steam Generator A once-through steam generator (OTSG) creating steam from feedwater by heat provided by flue gas. Combustion air is introduced into the OTSG through an air input/output apparatus. It is then fed into a combustion system to generate the flue gas. The flue gas is then fed... | 01/19/2012 |
| 20120006239 | PROCESS FOR OPERATING A COAL-FIRED UTILITY BOILER A process for operating a coal-fired utility boiler. The process has the steps of (a) providing coal and one or more additives in proximity to one or more burners in the boiler; (b) providing air to the boiler; and (c) burning the coal and the one or more additives in t... | 01/12/2012 |
| 20110296809 | INTEGRATED FUEL PRODUCTION AND ELECTRICITY GENERATION A gas inlet configured to convey a gas stream from a feed source to the system. A hydrogen sulfide removal stage includes a first vessel configured to receive a first media. A primary compression stage is configured to elevate a pressure of the gas stream. A moisture re... | 12/08/2011 |
| 20110290163 | HYBRID OXY-FUEL BOILER SYSTEM An air-fired combustion unit such as a utility boiler is converted to oxy-fired operation and a second oxy-fired combustion unit is operatively connected upstream so that its flue gas is fed into the combustion chamber of the first unit.... | 12/01/2011 |
| 20110265698 | SYSTEM AND METHOD FOR REUTILIZING CO2 FROM COMBUSTED CARBONACEOUS MATERIAL A system for generating steam supplies of coal another material to one or more processing chambers. Each processing chamber includes a plasma arc torch that heats the material in the presence of water and a treatment gas at an extremely high temperature. A product gas s... | 11/03/2011 |
| 20110259253 | 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 embodiments, the fuel is moved between the steps of the floor by a gas, rather than b... | 10/27/2011 |
| 20110232545 | High Pressure Direct Contact Oxy-Fired Steam Generator A method and apparatus for direct contact steam generation for a variety of industrial processes including heavy oil recovery, power generation and pulp and paper applications. The steam generation system consists of a combustor (10) and a steam generator (70<... | 09/29/2011 |
| 20110214593 | ECO-FRIENDLY SYSTEM AND PROCESS FOR GENERATING THERMAL ENERGY FROM WASTE BIOMASS An eco-friendly system for generating thermal energy from waste biomass comprises a furnace, a set of boiler tubes placed on the top of the furnace, a rectangular or tubular structure housing the boiler tube and the furnace, an outlet for the flue gases leading to a cyc... | 09/08/2011 |
| 20110203498 | 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 waterwalls of utility furnaces burning solid fuels to improve steam generation, m... | 08/25/2011 |
| 20110132280 | Carbo-free fire tube boiler The carbon-free fire tube boiler is a boiler for heating water by combustion of hydrocarbon fuels with oxygen. The boiler includes a housing defining first and second heat transfer stages. At least one oxygen transport reactor is received within the first heat transfer ... | 06/09/2011 |
| 20110083592 | SEGREGATED IN-SITU FORCED OXIDATION WET FLUE GAS DESULFURIZATION FOR OXYGEN-FIRED FOSSIL FUEL COMBUSTION An in-situ forced oxidation wet flue gas desulfurization apparatus, method and arrangement for utilization with oxy-fuel combustion power plants. The apparatus is a tower-like structure having a flue gas scrubbing zone and a reaction zone located subjacent to the gas sc... | 04/14/2011 |
| 20110073050 | CIRCULATING FLUIDIZED BED (CFB) WITH IN-FURNACE SECONDARY AIR NOZZLES A circulating fluidized bed (CFB) boiler includes a reaction chamber, where a bubbling fluidized bed (BFB) is contained within an enclosure within the lower portion of the reaction chamber and contains an in-bed heat exchanger (IBHX) that occupies part of the reaction c... | 03/31/2011 |
| 20110056416 | SYSTEM FOR COMBUSTION OPTIMIZATION USING QUANTUM CASCADE LASERS A system with a boiler and a turbine, and an associated control method. The method includes sensing a plurality of operating conditions at a first common boiler location. At least one of the plurality of operating conditions sensed at the first common location is indica... | 03/10/2011 |
| 20110048295 | 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 combustion furnace 11 to outsid... | 03/03/2011 |
| 20110036095 | THERMAL VAPOR STREAM APPARATUS AND METHOD A low emission and environmentally friendly apparatus and method is used to generate a high pressure stream of thermal vapor. The thermal vapor stream may be injected into a subterranean formation for recovery of highly viscous petroleum or used to turn a steam turbine ... | 02/17/2011 |
| 20110017110 | METHODS AND SYSTEMS FOR IMPROVING COMBUSTION PROCESSES Methods, systems, and kits directed to improving combustion processes. In one embodiment, a method includes applying air to an internal surface of a combustion system. The air may be applied with a velocity chosen from about 50 m/s to about 300 m/s, and a volumetric flo... | 01/27/2011 |
| 20110011315 | Oxyfuel Boiler and Control Method for Oxyfuel Boiler An oxyfuel boiler structured so as to mix oxygen separated from air with a part of exhaust gas branched from exhaust gas discharged from the boiler for generating vapor and supplying to a vapor demand facility by burning coal fuel, and supply the mixed gas to the boiler... | 01/20/2011 |
| 20110005750 | OIL SAND PRODUCTION WITHOUT CO2 EMMISSION A plant for generation of steam for oil sand recovery from carbonaceous fuel with capture of CO2 from the exhaust gas, comprising heat coils (105, 105′, 105″) arranged in a combustion chamber (101) to cool the combustion gases in the combust... | 01/13/2011 |
| 20100326338 | Device for Gasification and Combustion of Solid Fuel A partition divides an enclosure into an upper space and a lower space, the partition having a hole which provides essentially the only passage for gas to flow from the lower space to the upper space. A reactor tube having open ends is supported by the partition over th... | 12/30/2010 |
| 20100307389 | REACTOR SYSTEM AND SOLID FUEL COMPOSITE THEREFOR A reactor system includes a fluidized-bed. A fuel and a sulfur absorbent material are eluted through the fluidized-bed. The reactor system may include a heat exchanger having a heat-exchanging portion within a heating zone of the reactor that is hermetically sealed from... | 12/09/2010 |
| 20100294180 | OXYGEN FIRED STEAM GENERATOR In a method for operating a steam generator, a transport reactor is provided. Only a substantially pure oxygen feed stream is introduced into the transport reactor in an amount sufficient to maintain the transport reactor at or above a specific system load. The specific... | 11/25/2010 |
| 20100263577 | POLLUTION ABATEMENT PROCESS FOR FOSSIL FUEL-FIRED BOILERS The present invention provides improved boiler assemblies (10) with enhanced pollution abatement properties through injection and recycling of particulate sorbent materials including sodium bicarbonate, trona, and mixtures thereof. The assemblies (10) incl... | 10/21/2010 |
| 20100251943 | SLAG ZONE MAPPING Solutions for mapping slag zones in a boiler are disclosed. In one embodiment, the system includes an obtainer for obtaining data about a location of a slag zone within a boiler, the slag zone being one of a plurality of slag zones in a slag plane; a determinater for de... | 10/07/2010 |
| 20100233641 | DEVICE FOR HEATING AIR DURING THE DUTY CYCLE OF A HEATING BOILER Device for heating air during the duty cycle of a heating boiler fired in particular by solid fuel or biomass, composed of a conduit for supplying air to the furnace and a conduit for outflow the exhaust gas from the heating boiler into the flue. The device has the clos... | 09/16/2010 |
| 20100190117 | BURNER OPERATION AND INSTALLATION A burner is operated by providing a monitoring unit and monitoring the firing rate of the burner and feeding an input signal representing the firing rate to the monitoring unit. The respective proportions of gases in exhaust emissions from the burner are monitored and i... | 07/29/2010 |
| 20100162930 | SOLID-FUEL BURNER, COMBUSTION DEVICE USING SOLID-FUEL BURNER, AND METHOD OF OPERATING THE COMBUSTION DEVICE Provided is a solid fuel burner (60) suitable for controlling a flame to be formed by combustion of fuel ejected from the burner (60) and a temperature distribution in a furnace, a combustion apparatus using the solid fuel burner (60), and a method ... | 07/01/2010 |
| 20100139535 | STEAM GENERATOR FOR PRODUCING SUPERHEATED STEAM IN A WASTE INCINERATION PLANT A steam generator for producing superheated steam in a waste incineration plant, includes a boiler housing having a combustion chamber with walls having an evaporator. The evaporator has tubes carrying water and being acted upon by heat energy released during incinerati... | 06/10/2010 |
| 20100139536 | METHOD AND PLANT FOR CO2 CAPTURING A method and a plant for capturing CO2 from an exhaust gas from combustion of carbonaceous material are described. At least a part of the combustion gas is introduced into a biol fuel boiler as an oxygen containing gas, to increase the concentration of CO 06/10/2010 | |
| 20100132360 | Steam generation plant and method for operation and retrofitting of a steam generation plant The invention relates to a steam generation plant, comprising a steam generator (1) with a combustion chamber (8), an evaporator, a superheater (9), an intermediate superheater (12), a condenser (14), a feed water preheater (16, 19,... | 06/03/2010 |
| 20100107940 | Oxyfuel Boiler System and Method of Controlling the Same The oxyfuel boiler system comprises: an oxygen generator; a coal mill; a burner to burn pulverized coal; an after-gas port to which oxygen generated at the oxygen generator is supplied; a boiler provided with the burner and the after-gas port on its wall; a flue introdu... | 05/06/2010 |
| 20100101465 | Method For Injecting Ballast Into An Oxycombustion Boiler A method for injecting fuel, oxidant, and ballast into an oxycombustoin boiler is presented.... | 04/29/2010 |
| 20100083883 | Solid Fuel Boiler Assembly A boiler assembly including primary and secondary combustion chambers includes primary and secondary air controls for controlling combustion air to the chambers respectively. The air controls are operable between open positions to allow combustion in the chambers and a ... | 04/08/2010 |
| 20100077947 | METHOD OF COMBUSTING SULFUR-CONTAINING FUEL A method of combusting sulfur-containing fuel in a circulating fluidized bed boiler includes the steps of (a) feeding sulfur-containing fuel into a furnace of the circulating fluidized bed boiler, (b) combusting the fuel with oxidant gas consisting essentially of pure o... | 04/01/2010 |
| 20100058962 | METHOD FOR INJECTING A SUBSTANCE INTO A BOILER OF A WASTE INCINERATION PLANT A method is provided for injecting a substance into a boiler of a waste incineration plant using a gaseous propellant, the substance being conducted, starting from at least one distributor, via lines which branch off from the distributor, in each case to a nozzle which ... | 03/11/2010 |
| 20100058961 | PULVERIZED COAL BURNER Slagging is prevented from occurring in a pulverized coal burner. A nozzle body 6, which is open to a furnace 1 and which injects pulverized coal together with primary air 14 transporting the coal to serve finally as co... | 03/11/2010 |
| 20100050637 | CARBON-DIOXIDE-CAPTURE-TYPE STEAM POWER GENERATION SYSTEM A carbon-dioxide-capture-type steam power generation system 1 according to the present invention comprises a boiler 6 producing an exhaust gas 5 by combusting a fuel 2 and having a flue 8; an absorbing unit 40 being configured t... | 03/04/2010 |
| 20100031858 | Pulverized Coal Boiler The present invention provides a highly reliable pulverized coal boiler that ensures suppression of a rise in flame temperature caused during the combustion of an unburnt gas in a furnace when combustion air is supplied from after-air ports so as to reduce the concentra... | 02/11/2010 |
| 20100028241 | Hydrogen Production and Carbon Sequestration in Coal and Natural Gas-Burning Power Plants This invention describes a system of reactions for a partial sequestration of carbon (CO2 and CO) from coal burning plants and zero emission production of hydrogen and hydrides. The only raw material to be used is salt (sodium chloride, NaCl), coal and water ... | 02/04/2010 |
