Patent application number | Description | Published |
20090041084 | TEMPERATURE MEASUREMENT DEVICE THAT ESTIMATES AND COMPENSATES FOR INCIDENT RADIATION - A temperature measurement device includes a first thermocouple mounted on a tubular body that is shielded from the effects of radiation by a radiation shield, and a second, unshielded thermocouple. A difference in the measured temperatures from the first and second thermocouples is compared with calculated temperatures using an iterative process to determine a corrected temperature of the gas stream that estimates and compensates for incident radiation. | 02-12-2009 |
20090041642 | Radiant coolers and methods for assembling same - A method of assembling a radiant cooler is provided. The method includes providing a vessel shell that includes a gas flow passage defined therein that extends generally axially through the vessel shell, coupling a plurality of cooling tubes and a plurality of downcomers together to form a tube cage wherein at least one of the plurality of cooling tubes is positioned circumferentially between a pair of circumferentially-adjacent spaced-apart downcomers, and orienting the tube cage within the vessel shell such that the tube cage is in flow communication with the flow passage. | 02-12-2009 |
20090074347 | FIBER BRAGG GRATING FOR HIGH TEMPERATURE SENSING - A method of fiber core material band gap engineering for artificially modifying fiber material properties is provided. The method includes doping the fiber core material with one or more atoms for enhancing photosensitivity to the fiber material. The method also includes co-doping the fiber core material with one or more ions for enhancing an amorphous network crosslink mean coordination number. The method further includes thermally annealing the fiber core material for widening the band gap of the fiber core material. | 03-19-2009 |
20090078397 | RADIANT COOLERS AND METHODS FOR ASSEMBLING SAME - A method of assembling a radiant cooler includes providing a vessel shell that defines a gas flow passage therein that extends generally axially through the vessel shell, forming a tube cage from coupling a plurality of cooling tubes together to form a tube cage defined by a plurality of chevron-shaped projections that extend circumferentially about a center axis of the tube cage, each chevron-shaped projection includes a first side and a second side coupled together a tip, circumferentially-adjacent pairs of projections coupled together such that a valley is defined between each pair of circumferentially-spaced projections, each of the projection tips is positioned radially outward from each of the valleys, and orienting the tube cage within the vessel shell such that the tube cage is in flow communication with the flow passage. | 03-26-2009 |
20090095155 | SYSTEMS AND METHODS FOR CARBON DIOXIDE CAPTURE - Methods and systems for handling sour carbon dioxide (CO | 04-16-2009 |
20090107046 | FUEL FEED SYSTEM FOR A GASIFIER AND METHOD OF GASIFICATION SYSTEM START-UP - A fuel feed system for use in a gasification system includes a feed preparation section, a pressurization and conveyance section, and a slag additive section. The feed preparation section is configured to grind the fuel to a predetermined size and to adjust the moisture content within the particulate fuel. The pressurization and conveyance section is coupled in flow communication with the feed preparation section, and includes at least one solids pump configured to receive a flow of the particulate fuel at a first pressure and discharge the particulate fuel at a second pressure. The slag additive section is configured to feed a slag additive mixture into the gasifier and to substantially control the total water content within the gasification system. | 04-30-2009 |
20090130001 | METHODS FOR FABRICATING SYNGAS COOLER PLATENS AND SYNGAS COOLER PLATENS - A method for fabricating a syngas cooler is provided. The method includes coupling a tube cage within the syngas cooler, and coupling a plurality of platens to the tube cage to facilitate steam production in the syngas cooler. At least a first platen has at least one of a length that is larger than a length of a second platen, a non-linear geometry, and an angular position that is oblique with respect to a wall of the syngas cooler. | 05-21-2009 |
20090139650 | REVERSE OSMOSIS MEMBRANE AND MEMBRANE STACK ASSEMBLY - A method is provided for making a reverse osmosis membrane comprising flow modifier structures on one or more of its surfaces. The surface modifier structures are disposed on the membrane surface using a direct-write technique. In one embodiment, the present invention provides a method of making a reverse osmosis membrane, the method comprising providing a first membrane layer having an active surface and disposing on the active surface one or more flow modifier structures suing a direct-write technique. In an alternate embodiment, the present invention provides a method for making a polyethersulfone membrane comprising surface structures created using a direct-write technique. In yet another embodiment, the present invention provides a method for making a membrane stack assembly comprising a membrane layer and a feed carrier layer wherein a direct-write technique is used to create surface structures (flow modifier structures) on each of the membrane layer and the feed carrier layer. | 06-04-2009 |
20090158664 | ROTARY APPARATUS FOR USE WITH A GASIFIER SYSTEM AND METHODS OF USING THE SAME - A method for transporting a solid particulate within a gasifier system is provided. The method includes discharging solid particulate through an inlet into an opening defined within a rotor, wherein the inlet and the solid particulate are at a first pressure. The method further includes rotating the rotor such that at least one end of the opening is aligned in flow communication with a duct at a second pressure that is different from the first pressure. The solid particulate is discharged from the rotor opening through an outlet such that the solid particulate is at the second pressure, and the rotor is rotated such that at least one end of the rotor opening is aligned in flow communication with a pressure source that is at approximately the first pressure, and such that the opening is at the first pressure. | 06-25-2009 |
20090199474 | APPARATUS FOR COOLING AND SCRUBBING A FLOW OF SYNGAS AND METHOD OF ASSEMBLING - A method of assembling a spray quench apparatus is provided. The method includes coupling a first end of an exit tube to a quench chamber such that the exit tube end is in flow communication with the quench chamber, coupling at least one spray nozzle to an opposite second end of the exit tube such that water emitted from the spray nozzle fills the exit tube and forms a film of water across an inner surface of the exit tube, coupling a water source to the quench chamber for providing a substantially continuous water film along an inner surface of the quench chamber, and coupling at least one discharge apparatus to the quench chamber for providing water spray into the quench chamber, wherein the water of the water film and water sprays drains into a water sump. | 08-13-2009 |
20090202403 | METHOD AND APPARATUS FOR COOLING SYNGAS WITHIN A GASIFIER SYSTEM - A method of assembling a synthesis gas (syngas) cooler for a gasification system includes positioning a dip tube within a shell of the syngas cooler. The dip tube is configured to quench the syngas flowing through the shell and/or at least partially channel the syngas through the dip tube. The method also includes coupling an isolation tube to the dip tube such that the isolation tube is substantially concentrically aligned with, and radially outward of, the dip tube. The isolation tube is coupled in flow communication with a purge gas source and is configured to at least partially form a dynamic pressure seal. The method further includes coupling at least one of the isolation tube and the dip tube in fluid communication with a fluid retention chamber. The method also include at least partially filling the fluid retention chamber with fluid, thereby further forming the dynamic pressure seal. | 08-13-2009 |
20090202717 | Anti-Fouling Coatings for Combustion System Components Exposed to Slag, Ash and/or Char - A coating for use in combustion systems includes a plurality of refractory metal particles in a ceramic, glass or metal matrix disposed on surfaces of the system that are prone to slag, ash, and/or char buildup during operation of the combustion system. The coating is effective to prevent any substantial interaction with the slag, ash, and/or char. | 08-13-2009 |
20090211155 | METHODS AND SYSTEMS FOR INTEGRATED BOILER FEED WATER HEATING - Methods and systems for a gasifier system are provided. The gasifier system includes a gasifier including a syngas cooler configured to transfer heat from a reaction zone of the gasifier to a flow of fluid through the syngas cooler, a reaction vessel coupled in flow communication with the syngas cooler wherein the reaction vessel is adapted to receive the flow of fluid and generate heat in an exothermic shift reaction. The system also includes a heat exchanger coupled in flow communication with the reaction vessel, the heat exchanger adapted to produce relatively high pressure steam using the generated heat. | 08-27-2009 |
20090246500 | COMPONENT IN A COMBUSTION SYSTEM, AND PROCESS FOR PREVENTING SLAG, ASH, AND CHAR BUILDUP - Disclosed herein is a component in a combustion system comprising a composite, the composite comprising silicon carbide; and a refractory metal silicide comprising a phase selected from Rm | 10-01-2009 |
20090272821 | METHODS AND SYSTEMS FOR MIXING REACTOR FEED - Methods and systems for a feed injector are provided. The feed injector system includes a plurality of annular channels that are substantially concentric about a longitudinal axis. The plurality of annular channels direct a flow of fluid substantially axially therethrough from a respective source to a reaction zone. The feed injector system also includes a swirl member extending into the fluid flow path defined in at least one of the plurality of annular channels wherein the swirl member is configured to impart a circumferential flow direction to fluid flowing through the at least one annular channel. | 11-05-2009 |
20100170285 | SYSTEMS FOR REDUCING COOLING WATER AND POWER CONSUMPTION IN GASIFICATION SYSTEMS AND METHODS OF ASSEMBLING SUCH SYSTEMS - An integrated gasification combined cycle system is provided. The integrated gasification combined cycle system includes an air compressor coupled in flow communication to an air separation unit, a condensate heater coupled in flow communication with the air compressor, and a condenser coupled in flow communication with the condensate heater. The condensate heater and the air compressor are coupled such that a portion of compressed air generated by the air compressor is channeled to the condensate heater. A method of assembling an integrated gasification combined cycle system is also provided. | 07-08-2010 |
20100172819 | METHODS AND SYSTEMS FOR ZERO DISCHARGE WATER TREATMENT - Methods and systems for a zero discharge waste water treatment system are provided. The system includes a filtration train including filter media having successively smaller diameter filtration elements, a reverse osmosis apparatus including a pump and a membrane coupled in flow communication with said filtration train, a vapor compressor coupled in flow communication with said reverse osmosis apparatus, and a spray dryer coupled in flow communication with said vapor compressor, said spray dryer configured to separate moisture in a brine solution from particulate suspended in the brine solution. | 07-08-2010 |
20100175321 | COOLED GASIFIER VESSEL THROAT PLUG WITH INSTRUMENTATION CAVITY - A throat plug for a gasifier vessel includes at least one first cavity being receptive to at least one device located in the at least one first cavity, and at least one second cavity being receptive to a fuel injector. | 07-15-2010 |
20100219271 | METHOD AND APPARATUS FOR A FEED INTO A GASIFIER UTILIZING A SLURRY - Disclosed is a feed system for a gasifier including a grinding mechanism capable of grinding a feedstock into particles of desired particle sizes. The particle sizes include solids particles larger than a first threshold size and raw fines particles smaller than a second threshold size. At least one solids separation device is capable of separating the solids particles from the fines particles and at least one solids conduit conveys the solids particles to a gasification plant while the fines particles are also conveyed to the gasification plant. Further disclosed is a method for feeding stock into a gasifier including conveying a feedstock into a grinding mechanism and grinding the feedstock into particles of desired sizes. Solids particles larger than a first threshold size are separated from fines particles smaller than a second threshold size and the solids particles and the fines particles are conveyed toward the gasification plant. | 09-02-2010 |
20100247026 | PACKAGED SENSORS AND HARSH ENVIRONMENT SYSTEMS WITH PACKAGED SENSORS - A fiber sensor package is disclosed. The fiber sensor package includes an interconnection between a first optical fiber and a second optical fiber within a tubing such that the first and second optical fibers are at least partially disposed within that tubing. A bonding material is disposed across an edge of the interconnection around at least a part of the circumferential surfaces of the first and second fibers, holds rigid the interconnection of the first and second optical fibers. The methods of preparing the package, and the examples of systems benefiting from the fiber sensor package of this invention are also described. | 09-30-2010 |
20100288474 | METHOD AND SYSTEM FOR SEALING AN ANNULUS - A method and systems for a purged seal for an annular space are provided. The purged seal includes a first baffle element that extends from an inner surface of the annular space into the annular space at an oblique angle and a second baffle element that extends from an outer surface of the annular space above the first baffle element in a direction opposite gravity flow into the annular space wherein the second baffle element extends at an oblique angle. The system also includes a third baffle element that extends from the inner surface above the first baffle element in a direction of gravity flow into the annular space wherein the third baffle element extends into the annular space at an oblique angle with respect to the inner surface and wherein a distal end of the third baffle element is positioned proximate a distal end of the second baffle element. | 11-18-2010 |
20100325957 | GASIFICATION SYSTEM FLOW DAMPING - In one embodiment, a gasification system component, such as a quench unit or scrubber may retain of pool of a cooling fluid for cooling another fluid. The gasification system component includes a flow damping mechanism designed to dampen flow of the cooling fluid, the other fluid, or both, within the gasification system component. The flow damping mechanism may be disposed in an inner chamber formed between a dip tube and a draft tube or disposed in an outer chamber formed between the walls of the gasification system component and the draft tube. The flow damping mechanism also may be disposed between the inner chamber and the outer chamber. | 12-30-2010 |
20110136654 | COMPONENT IN A COMBUSTION SYSTEM, AND PROCESS FOR PREVENTING SLAG, ASH, AND CHAR BUILDUP - Disclosed herein is a component in a combustion system comprising a composite, the composite comprising silicon carbide; and a refractory metal silicide comprising a phase selected from Rm | 06-09-2011 |
20110179712 | METHOD AND APPARATUS TO PREHEAT SLURRY - A method of operating a gasification facility includes channeling steam into a grinding mill via a flow control device and a conduit. The method also includes mixing carbonaceous fuel, preheated water, and steam within the grinding mill, to form a preheated coal slurry stream. | 07-28-2011 |
20120102834 | STAGED GASIFIER AND RELATED PROCESSES - A gasifier system which includes a reactor; a feedstock inlet; an oxidant inlet; a raw product gas outlet; and a recycle conduit, is provided. The reactor usually includes an upper section, a central section, and a lower section. The feedstock inlet is disposed in the upper section of the reactor to receive a carbonaceous feedstock. The oxidant inlet is disposed in the lower section of the reactor to receive an oxidant. The raw product gas outlet is disposed in the upper section of the reactor. The recycle conduit is configured to couple the raw product gas outlet to the lower section of the reactor, and to recycle a raw product gas from the upper section of the reactor to the lower section of the reactor. A method for converting a carbonaceous stream into a product gas in a gasifier system is also provided. | 05-03-2012 |
20130152598 | SYSTEM AND METHOD FOR THERMAL CONTROL IN A GAS TURBINE ENGINE - A system includes a gas turbine engine that includes a compressor section configured to generate compressed air and a combustor coupled to the compressor section. The combustor is configured to combust a first mixture comprising the compressed air and a first fuel to generate a first combustion gas. The gas turbine engine also includes a turbine section coupled to the combustor. The turbine section is configured to expand the first combustion gas to generate an exhaust gas. The gas turbine engine also includes a boiler coupled to the turbine section. The boiler is configured to combust a second mixture comprising a portion of the first combustion gas and a second fuel to generate a second combustion gas that is routed to the turbine section. In addition, the boiler generates a first steam from heat exchange with the second combustion gas. | 06-20-2013 |
20140048744 | SYSTEM AND METHOD FOR GASIFICATION - A system includes a gasification vessel configured to receive a fuel and an oxidizer. The system also includes a gasifier disposed in the gasification vessel. The gasifier is configured to partially oxidize the fuel and the oxidizer to generate a syngas. The system further includes a convective syngas cooler configured to cool the syngas via heat exchange with a coolant. The convective syngas cooler is disposed in an interior of the gasification vessel. | 02-20-2014 |
20140259882 | MIXTURE AND APPARATUS FOR BLENDING NON-AQUEOUS SLURRIES - The disclosures described herein provide for a gasification feedstock which includes a mixture of a solid feedstock with a liquid feedstock. The solid feedstock includes a heating value of less than approximately 20 Megajoules/kilogram (MJ/kg), expressed on a wet basis. The non-aqueous liquid feedstock includes a heating value of greater than approximately 14 MJ/kg, expressed on a wet basis. The resulting feedstock is useful as a gasification fuel. | 09-18-2014 |