Class 48/77 - Coal

Subclass of Class 48 - Gas: heating and illuminating
Definition: Generators in the form of a cupola or shaft in which coal
No. of patents: 244
Last issue date: 03/06/2012

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Number	Title	Issue Date
8128716	Method and device for pyrolysis and gasification of substance mixtures containing organic constituents A method serves for the pyrolysis and gasification of substance mixtures containing organic constituents. The organic substances (4) or the substance mixture containing the organic constituents are brought into contact with a heat transfer medium, for prefere...	03/06/2012
7794514	Two-stage gasification apparatus coupled with heat recovery and washing and its applications A two-stage gasification apparatus coupled with heat recovery and washing includes a columnar shell (7), an entrained flow gasification chamber (1), a fixed bed gasification chamber (18), a waste heat boiler (19) and a gas cooling-washing...	09/14/2010
7740672	Method and apparatus for a coal gasifier A method and apparatus for efficiently forming a gaseous material from a solid starting material. The produced gaseous material includes a CGE HHV having a high percentage of an original HHV of the starting material. The gaseous product may be used to form a plurali...	06/22/2010
7402188	Method and apparatus for coal gasifier A method and apparatus for efficiently forming a gaseous material from a solid starting material. The produced gaseous material includes a CGE HHV having a high percentage of an original HHV of the starting material. The gaseous product may be used to form a plurali...	07/22/2008
7338645	Method and system for reducing decomposition byproducts in a methanol to olefin reactor system Disclosed is a method and system for reducing the formation of metal catalyzed side-reaction byproducts formed in the feed vaporization and introduction system of a methanol to olefin reactor system by forming and/or coating one or more of the heating devices, feed ...	03/04/2008
7328805	Method and system for beneficiating gasification slag The present invention provides a method of beneficiating slag, including mixing the slag with water to form a slurry. The slurry is screened through a first screen to remove a first portion of material and then screened through a second screen to remove a second por...	02/12/2008
7282189	Production of hydrogen and removal and sequestration of carbon dioxide from coal-fired furnaces and boilers Methods for reducing and eliminating carbon dioxide from the emissions of solid fuel fired power plants, particularly coal fired power plants, and to sequester the carbon dioxide, typically by using existing equipment. In some embodiments, the methods involve pyroly...	10/16/2007
7273015	Method and apparatus for combustion of residual carbon in fly ash A system for combustion and removal of residual carbon within fly ash particles in which the fly ash particles are fed into an array of process units for combustion. The fly ash particles are subjected to heat and motive air such that as the fly ash particles pass t...	09/25/2007
7267698	Method for producing hydrogen The invention is a method for producing hydrogen using a generator, heating the vessel that is part of the generator, loading waste comprising steel into the heated vessel, melting the loaded waste to a molten state using a non-transferred torch to cut and melt the ...	09/11/2007
7241323	Pyrolysis process for producing fuel gas Solid waste resource recovery in space is effected by pyrolysis processing, to produce light gases as the main products (CH4, H2, CO2, CO, H2O, NH3) and a reactive carbon-rich char as the main byproduct. Signifi...	07/10/2007
7169197	Pyrolysis processing for solid waste resource recovery Solid waste resource recovery in space is effected by pyrolysis processing, to produce light gases as the main products (CH4, H2, CO2, CO, H2O, NH3) and a reactive carbon-rich char as the main byproduct. Signifi...	01/30/2007
7141085	Refractory protected replaceable insert The refractory protected, replaceable insert for a gasifier includes a replaceable floor edge insert that is formed with a predetermined mating profile that is complementary to a finished mating profile of the gasifier floor. The geometry of the mating profiles of t...	11/28/2006
7090707	Combustion chamber design for a quench gasifier A new combustion chamber design for a quench gasifier. Electrical heating is used in the throat area of the combustion chamber to achieve temperatures up to 3500° F. to melt ash deposits and to increase carbon conversion (reduce soot production). Silicon carbide an...	08/15/2006
7084319	Catalyst fluidization in oxygenate to olefin reaction systems The present invention provides various processes for fluidizing molecular sieve catalyst compositions in a fluidized bed reaction system. The invention comprises fluidizing a molecular sieve catalyst composition with a reactive fluidizing medium under conditions eff...	08/01/2006
7077878	Method for gasifying organic materials and mixtures of materials The aim of the invention is to provide a method for gasifying organic materials which is simple to carry out and requires minimal equipment and which produced an undiluted gas of high calorific value. The inventive method should eliminate the need to use fluid beds ...	07/18/2006
7047894	Method and apparatus for combustion of residual carbon in fly ash A system for combustion and removal of residual carbon within fly ash particles in which the fly ash particles are fed into an array of process units for combustion. The fly ash particles are subjected to heat and motive air such that as the fly ash particles pass t...	05/23/2006
7037473	Device for gasifying combustible materials, residues and waste materials containing carbon An appliance for the gasification of carbon- and ash-containing fuel, residual and waste materials using an oxygen-containing oxidizing agent at temperatures above the melting point of the inorganic fractions, in a reaction chamber which is designed as an entrained-...	05/02/2006
6960234	Multi-faceted gasifier and related methods A gasifier is disclosed combining a fixed bed gasification section where coarse fuel is gasified and an entrained flow gasification section where fine fuel is gasified. The fixed bed section includes upper and lower sections. Coarse fuel is devolatilized in the uppe...	11/01/2005
6932857	Multi-stage collector and method of operation A multi-stage collector of the type used to collect particles from industrial gas. The collector can contain multiple narrow and wide zones formed by a plurality of parallel corrugated plates. Contained in the narrow zones can be elongated electrodes with sharp lead...	08/23/2005
6913632	Gasifiers with non radial tuyeres A gasifier for the manufacture of producer gas has a chamber (10) for the combustion of material, the chamber (10) being provided with a plurality of tuyeres (30) for the introduction of combustion air to the chamber. The tuyeres (30) are...	07/05/2005
6911057	Apparatus for converting coal into fuel cell quality hydrogen and sequestration-ready carbon dioxide An apparatus for burning coal to produce substantially pure hydrogen for use in fuel cells, together with “sequestration ready” carbon dioxide and a stream of oxygen depleted air for powering gas turbines. The apparatus includes two fluidized bed reactors and a ...	06/28/2005
6905533	Filtering and inerting of combustible dusts in the process off-gas A method for avoiding the spontaneous ignition of combustible dusts in process off-gases, wherein during the process the dusts are retained, without adversely affecting the process parameters, at least one sintered filter element which is arranged in a pressure vess...	06/14/2005
6830597	Process and device for pyrolysis of feedstock The subject invention pertains to unique and advantageous systems for gasifying and/or liquefying biomass. The systems of the subject invention utilize a unique design whereby heat from a combustion chamber is used to directly gasify or liquefy biomass. In a preferr...	12/14/2004
6827912	Gasification reactor vessel The invention relates to a reactor vessel and method for the gasification of carbon-containing fuel, residual and waste materials using an oxygen-containing oxidizing agent and in a reaction chamber which is designed as an entrained-bed reactor, at pressures between...	12/07/2004
6827751	Thermodynamic accelerator/gasifier An apparatus which is capable of supporting a process for gasifying a variety of hydrocarbon-containing materials. The resulting hydrogen-containing gas is suitable for use in various combustion processes and for petrochemical processes. A hydrocarbon-containing mat...	12/07/2004
6824575	Integrated coal gasification combined cycle power generator Embodiments of the invention provide an IGCC which achieves improved plant thermal efficiency by using a cooling steam supply system that cools the high-temperature sections of the gas turbine 34. Embodiments of the invention further provide and IGCC in which...	11/30/2004
6746497	Waste incineration disposal method A waste is dry-distilled in a gasification furnace and generated combustible gas is combusted in a combustion furnace. A temperature in the combustion furnace is set to be substantially constant at a first preset temperature or more. When the temperature in the comb...	06/08/2004
6669917	Process for converting coal into fuel cell quality hydrogen and sequestration-ready carbon dioxide A process for burning coal to produce substantially pure hydrogen for use in fuel cells, together with "sequestration ready" carbon dioxide and a stream of oxygen depleted air for powering gas turbines, characterized by using a combination of two fluidize...	12/30/2003
6648931	Configuration and process for gasification of carbonaceous materials A turbine produces in an improved gasification process a stream of pressurized air, which is cooled and further compressed by a cooler and booster/compressor. The cooled and compressed air is humidified in a humidifier, heated by a low temperature heat so...	11/18/2003
6312482	Steam generator for gasifying coal A combined, integral steam generator coal gasifier includes a vertically elongated, all welded, gas tight enclosure with a burner zone having a double pitch sloping furnace floor and a slag tap extending therethrough. Successive zones located above the bu...	11/06/2001
6312483	Method of and apparatus for producing combustible gases from pulverized solid fuel Combustible gases from pulverized solid fuel are generated by semi-coking the pulverized solid fuel in a reactor in the absence of oxygen to produce a solids stream that includes carbonaceous material and a gas stream that includes hydrocarbon gases and t...	11/06/2001
6051195	Synthesis gas heat exchanger unit The present invention pertains to a synthesis gas heat exchanger unit with one synthesis gas radiant cooler (1), two synthesis gas convection coolers (23), one crude gas-clean gas heat exchanger (4), one crude gas-inert gas heat exchanger (5), and one dus...	04/18/2000
6048374	Process and device for pyrolysis of feedstock The subject invention pertains to unique and advantageous systems for gasifying and/or liquefying biomass. The systems of the subject invention utilize a unique design whereby heat from a combustion chamber is used to directly gasify or liquefy biomass. I...	04/11/2000
5955039	Coal gasification and hydrogen production system and method A system and method generates electricity and co-produces a hydrogen flow from coal. The electricity is generated by a turbine with a topping combustor and a solid oxide fuel cell ("SOFC") reacting syngas. The syngas is produced in a coal gasifier with a ...	09/21/1999
5912198	Staged catalytic ammonia decomposition in integrated gasification combined cycle systems The ammonia content of fuel gas in an IGCC power generation system is reduced through ammonia decomposition, thereby reducing the NOx emissions from the plant. The power generation system includes a gasifier, a gas turbine and at least one cata...	06/15/1999
5895508	Down-flow moving-bed gasifier with catalyst recycle The gasification of coal and other carbonaceous materials by an endothermic gasification reaction is achieved in the presence of a catalyst in a down-flow, moving-bed gasifier. Catalyst is removed along with ash from the gasifier and is then sufficiently ...	04/20/1999
5861046	Method of recovering energy, and a reactor therefor There is described a method of recovering energy and/or combustible gas by thermally gasifying fuel during its partial combustion, wherein the fuel and an oxygen-containing gas are delivered to a reactor (1) and caused to circulate in a closed circuit of ...	01/19/1999
5855631	Catalytic gasification process and system A catalytic gasification process and system for producing medium grade BTU gas including a gasification reactor having an inner air gasification zone, an outer steam gasification zone, a synthetic coal reaction zone, and an upper lime treating zone. The p...	01/05/1999
5803936	Reactor for the continuous production of a flammable gas A gasification reactor comprising of a slow turning rotation chamber (1) with tapered end pieces (7) and sealed by stationary closures (8, 9). The chamber is divided by rings (3, 3') into three sections (4, 5, 6). The first section (4) is used to dry and ...	09/08/1998
5782032	Coal gasification furnace with a slag tap hole of specific shape A coal gasification furnace includes a gasification chamber for producing therein a burnable gas from coal, a burner arranged on a side wall of the gasification chamber so as to inject coal and an oxidizing agent along a peripheral direction of the gasifi...	07/21/1998

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Class 48/77 - Coal