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Class 60/781 - Solid fuel


Subclass of Class 60 - Power plants
Definition: Method wherein the step of fuel conversion the combustible
No. of applications: 25
Last issue date: 10/06/2011


Application No.Application TitleIssue Date
20110239658SYSTEMS AND METHODS FOR FEEDSTOCK INJECTION
Systems and methods for injection of feedstock are included. In one embodiment, a system includes a solid fuel injector. The solid fuel injector includes a solid fuel passage, a first gas passage, and a second gas passage. The solid fuel passage is configured to inject ...
10/06/2011
20110162382IGCC POWER PLANT HAVING FLUE GAS RECIRCULATION AND FLUSHING GAS
Disclosed is a method for operating an IGCC power plant, wherein the coal gas from a gasifier, comprising CO and hydrogen, is supplied to at least one shift stage, wherein this is converted primarily into CO2 and hydrogen and the coal gas is subjected to at l...
07/07/2011
20110124748Coal and Biomass Conversion to Multiple Cleaner Energy Solutions System producing Hydrogen, Synthetic Fuels, Oils and Lubricants, Substitute Natural Gas and Clean Electricity
The system contained within this application for patent protection provides the ability to produce clean syngas, natural gas, synthetic fuels, electricity, hydrogen fuels, and oil substitutes using a variety of materials. These materials include, but are not limited to:...
05/26/2011
20110120138SYSTEM AND METHOD FOR CONVERSION OF HYDROCARBON MATERIALS
A process for converting coal and other hydrocarbon solid fuel feedstocks comprises reacting the feedstock in a first stage exothermic hydropyrolysis reaction zone with a hydrogen-rich gas stream for producing methane. The methane from the first reaction zone is dissoci...
05/26/2011
20100300112METHOD FOR PRODUCING MOTOR ENERGY FROM FOSSIL FUELS WHILE DISSIPATING PURE CARBON DIOXIDE
A method for producing electric energy from solid and liquid fuels is provided. The fuels are first subjected to a gasification process at high pressure, and the scrubbed gasification gas is fed to a gas and steam turbine process. The combustion of the scrubbed gasifica...
12/02/2010
20100281878MILD GASIFICATION COMBINED-CYCLE POWERPLANT
The invention provides a hybrid integrated gasification combined cycle (IGCC) plant for carbon dioxide emission reduction and increased efficiency where the syngas is maintained as a temperature above a tar condensation temperature of a volatile matter in the syngas. Th...
11/11/2010
20100251729Power generation system incorporating multiple Rankine cycles
A power generation system (100) and a method of generating power. In one embodiment of the system shown in FIG. 1, a gasification subsystem (1) is configured to convert a carbonaceous fuel to fuel suitable for combustion in a gas turbine (48)...
10/07/2010
20100236254Power Plant for IGSC-Process
A power plant has a coal gasification device (1) for gasifying coal (K), particularly with water injection (W), a gas combustion device, particularly a CES burner (2), for combusting synthesis gas, particularly purified synthesis gas, from the coal gasific...
09/23/2010
20100170263Vortex Combustor for Low NOX Emissions when Burning Lean Premixed High Hydrogen Content Fuel
A trapped vortex combustor. The trapped vortex combustor is configured for receiving a lean premixed gaseous fuel and oxidant stream, where the fuel includes hydrogen gas. The trapped vortex combustor is configured to receive the lean premixed fuel and oxidant stream at...
07/08/2010
20100139287MULTIPURPOSE COKE PLANT FOR SYNTHETIC FUEL PRODUCTION
A new approach to the production of coke. In this process multiple optimized value streams are produced from a coke facility located at mine mouth or locally at an existing plant. As part of the process, lower cost Indiana/Illinois Basin-type coals are blended with conv...
06/10/2010
20100126135METHOD AND APPARATUS FOR OPERATING AN INTEGRATED GASIFIER POWER PLANT
In one embodiment, a method includes converting a hydrocarbon feedstock into a gas mixture. The method also includes burning a first portion of the gas mixture within a combustion chamber. The method further includes converting a second portion of the gas mixture into m...
05/27/2010
20100115962METHODS AND SYSTEMS FOR GAS TURBINE SYNGAS WARM-UP WITH LOW EMISSIONS
Methods and systems of operating an integrated gasification combined cycle system are provided. The method includes coupling a non-fuel fluid conduit to a fuel conduit, warming a flow of non-fuel fluid, and channeling the warmed non-fuel fluid through the fuel conduit s...
05/13/2010
20100043446Waste to energy process and plant
A plant produces electrical energy from municipal solid waste without exhausting a carbon dioxide or other carbon based gas to the atmosphere. The plant includes a source of artificial light powered by electrical energy, and a reactor into which the municipal solid wast...
02/25/2010
20090308334METHOD OF CONTROLLING AN APPARATUS FOR GENERATING ELECTRIC POWER AND APPARATUS FOR USE IN SAID METHOD
A method of controlling an apparatus for generating electric power and apparatus for use in said method, the apparatus comprising a gasifier for biomass material, such as waste, wood chips, straw, etc., said gasifier being of the shaft and updraft fixed bed type, which ...
12/17/2009
20090282835Rotary internal combustion engine for combusting low cetane fuels
This invention presents a compact, light, efficient and high power output rotary internal combustion engine utilizing the waste heat. The engine has a rotor rotatable within a housing, but has no piston. The rotor has a plurality of combustion chambers, with inlets for ...
11/19/2009
20090038314INTEGRATED PROCESS FOR CARBONACEOUS MATERIAL TO CO2-FREE FUEL GAS FOR POWER PLANTS AND BIOMASS TO ETHANOL
A process for generating electrical power from a carbonaceous fuel source without carbon dioxide emissions while producing ethanol. A carbonaceous material is reacted in a stream reformer wherein a fuel gas is produced, which fuel gas is sent to a CO shift reactor to co...
02/12/2009
20080302106INTEGRATION OF COAL FIRED STEAM PLANTS WITH INTEGRATED GASIFICATION COMBINED CYCLE POWER PLANTS
A method of improving the output and efficiency of a pulverized coal plant by integration with an Integrated Gasification Combined Cycle (IGCC) plant....
12/11/2008
20080264066CONVERSION OF COAL-FIRED POWER PLANTS TO COGENERATE CEMENT
The invention provides systems, processes and methods for converting heterogeneous coal-fired power plants to cogenerate a sustainable, consistent, and economic cement. Such cogeneration enables a simultaneous production of both electric power and cement and thus provid...
10/30/2008
20080245076METHOD AND APPARATUS FOR PREPARING PULVERIZED COAL USED TO PRODUCE SYNTHESIS GAS
A method and apparatus for preparing pulverized coal used in the production of synthesis gas combusted in gas turbines used in integrated gasification combined cycle power plants uses gas turbine exhaust gas to dry and convey pulverized coal from a pulverizer to a coal/...
10/09/2008
20080202123System and method for oxygen separation in an integrated gasification combined cycle system
An integrated gasification combined cycle power generation system (100). In one embodiment, shown in FIG. 1, a gasifier (108) is configured to generate synthetic gas (117) from a carbonaceous material (106) and an oxygen supply (109...
08/28/2008
20080193352METHODS AND SYSTEMS FOR REMOVING MERCURY FROM COMBUSTION FLUE GAS
A method of reducing mercury emissions using a combustion device including at least a combustion zone. The method includes receiving a flow of fuel including mercury at the combustion device assembly; injecting a first mercury oxidizer flow including MgCl2 on...
08/14/2008
20070151256Hybrid power system and method of operating the same
A gasifying furnace gasifies solid fuel or liquid fuel. A gas turbine drives a turbine to generate power by using combustion gas generated by burning mixed gas of compressed air compressed in a compressor and gas generated in the gasifying furnace in a combustor. A boos...
07/05/2007
20070129450Process for producing variable syngas compositions
Disclosed is a process for the production of a variable syngas composition by gasification. Two or more raw syngas streams are produced in a gasification zone having at least 2 gasifiers and a portion the raw syngas is passed to a common water gas shift reaction zone to...
06/07/2007
20070012045System integration of a steam reformer and gas turbine
A novel process and apparatus for power generation from biomass and other carbonaceous feedstocks are provided. The process integrates a pulse combustor steam reformer with a gas turbine to generate electricity such that (i) efficiency is higher than those of convention...
01/18/2007
20060096298Method for satisfying variable power demand
A process for satisfying variable power demand and a method for maximizing the monetary value of a synthesis gas stream are disclosed. One or more synthesis gas streams are produced by gasification of carbonaceous materials and passed to a power producing zone to produc...
05/11/2006
 
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