Patent application number | Description | Published |
20090025917 | METHOD AND APPARATUS FOR HEAT RECOVERY WITHIN A SYNGAS COOLER - A method of assembling a syngas cooler is provided. The method includes coupling a supply line within a cooler shell, coupling a heat transfer panel within the cooler shell, and coupling a heat transfer enclosure within the cooler shell such that the heat transfer enclosure substantially isolates the heat transfer panel from the cooler shell. A manifold is coupled in flow communication with the supply line, the heat transfer enclosure, and the heat transfer panel. | 01-29-2009 |
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 |
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 |
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 |
20090166975 | SEALING ASSEMBLY FOR USE WITH A PRESSURIZED VESSEL AND METHODS OF ASSEMBLING THE SAME - A method for assembling a seal assembly is provided. The method includes coupling a first ring within a vessel, coupling a second ring within the vessel, and coupling a first seal layer between the first ring and the second ring such that the first seal layer contacts at least the first ring. | 07-02-2009 |
20090173484 | METHODS AND SYSTEMS FOR CONTROLLING TEMPERATURE IN A VESSEL - Methods and systems for a vessel preheating system are provided. The system includes a pressure vessel including an area of excess heat and an area of deficient heat, a plenum defined between the area of excess heat and the area of deficient heat, and a conduit configured to couple a flow of purge fluid from external to the vessel into the plenum wherein heat from the area of excess heat is transferred to the flow of purge fluid in the plenum and the heat is carried by the flow of purge fluid into the area of deficient heat such that the flow of purge fluid purges the area of deficient heat. | 07-09-2009 |
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 |
20090262777 | HEAT FLUX MEASUREMENT DEVICE FOR ESTIMATING FOULING THICKNESS - A heat flux measurement device includes at least two thermocouples disposed within a front portion of the device at different axial distances from a front wall of the device. A correlation between the measured heat fluxes from the device over a period of time is used to estimate a fouling thickness on a wall, for example, a water wall of a radiant syngas cooler (RSC). | 10-22-2009 |
20090272513 | METHODS AND SYSTEMS FOR CONTROLLING TEMPERATURE IN A VESSEL - A method and system for preheating a vessel that includes an area of excess heat and a flow of purge fluid that is channeled to an area to be purged wherein the purge fluid is deficient of heat are provided. The system includes a cooling tube assembly positioned between the area of excess heat and the area to be purged and a first heat exchanger coupled in flow communication to the cooling tube assembly, the first heat exchanger configured to transfer heat between a flow of cooling fluid through the cooling tube assembly and the flow of purge fluid wherein the flow of cooling fluid through the cooling tube assembly is maintained sub-cooled and the flow of purge fluid is heated to facilitate reducing a thermal stress in the area purged. | 11-05-2009 |
20090320483 | Variable Orifice Plug for Turbine Fuel Nozzle - A fuel nozzle for use about an end cap of a combustor. The fuel nozzle may include a flange attached to the end cap, an aperture extending through the flange, a plug positioned in the aperture, and an orifice positioned within the plug. | 12-31-2009 |
20100031570 | METHOD AND SYSTEM FOR AN INTEGRATED GASIFIER AND SYNGAS COOLER - A method and system for an integrated gasifier and syngas cooler are provided. The system includes a gasifier including a reaction chamber, a syngas cooler integrally formed with the gasifier and including at least one heat exchanger element, and a transition portion integrally formed with the reaction chamber and the syngas cooler and extending therebetween, the transition portion further including a throat extending between the reaction chamber and the syngas cooler, the transition portion further including a heat exchanger circumscribing the throat. | 02-11-2010 |
20100170217 | SYSTEMS AND METHODS FOR DETECTING A FLAME IN A FUEL NOZZLE OF A GAS TURBINE - A system may detect a flame about a fuel nozzle of a gas turbine. The gas turbine may have a compressor and a combustor. The system may include a first pressure sensor, a second pressure sensor, and a transducer. The first pressure sensor may detect a first pressure upstream of the fuel nozzle. The second pressure sensor may detect a second pressure downstream of the fuel nozzle. The transducer may be operable to detect a pressure difference between the first pressure sensor and the second pressure sensor. | 07-08-2010 |
20100170247 | Heat Integration in Coal Gasification and Methanation Reaction Process - A combined Gasification, methanation and power island steam turbine system. The system includes a gasification portion, the methanation portion and a steam turbine portion. The Gasification portion includes the new heat recovery design and associated controls for obtaining a desired steam to dry gas ration of 1.1-2.2. The methanation portion includes first, second and third methanation reactors and associated heat recovery integrated with a high-pressure, low-pressure superheater, and HP economizers. The power Island steam turbine includes a High pressure, Intermediate pressure, low-pressure steam turbine having an input coupled to an output of the superheaters in Methanation process. | 07-08-2010 |
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 |
20100223847 | METHOD AND APPARATUS OF PARTICULATE REMOVAL FROM GASIFIER COMPONENTS - Disclosed is a method of removing a particulate layer from a gasification system component including locating a shedding apparatus in operable communication with the gasification system component. A force is transmitted from the shedding apparatus into the gasification system component and the particulate layer is shed from the gasification system component as a result of the force. Further disclosed is a syngas cooler for a gasification system including a vessel and a plurality of thermal energy transfer platens located in the vessel. A shedding apparatus is in operable communication with the plurality of platens and is capable of shedding a particulate layer from the plurality of platens by transmitting a force to the plurality of platens. | 09-09-2010 |
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 |
20100263841 | Method and Apparatus for Shielding Cooling Tubes in a Radiant Syngas Cooler - Methods and a system for shielding cooling tubes in a radiant syngas cooler. The heat shields may prevent direct contact between heated syngas and the cooling tubes. The heat shield may be mounted to a header that also attaches to the cooling tubes. The heat shield may also be separated from the cooling tubes or, alternatively, the heat shield may be coated onto the cooling tubes. Furthermore, prolonged exposure to the heated syngas may corrode the heat shield. | 10-21-2010 |
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 |
20100299915 | System for Installing a Seal in a Syngas Cooler - A system, comprising a seal segment including a cable fastener. The system also includes a syngas cooler component that includes a cable guide, where the cable guide may route a cable coupled to the cable fastener to enable the cable to pull the seal segment into a mounting position. | 12-02-2010 |
20100325956 | COOLING CHAMBER ASSEMBLY FOR A GASIFIER - A gasifier includes a combustion chamber in which a combustible fuel is burned to produce a syngas and a particulated solid residue. A cooling chamber having a liquid coolant is disposed downstream of the combustion chamber. A dip tube is disposed coupling the combustion chamber to the cooling chamber. The syngas is directed from the combustion chamber to the cooling chamber via the dip tube to contact the liquid coolant and produce a cooled syngas. An asymmetric or symmetric liquid separator is disposed proximate to an exit path of the cooling chamber and configured to remove entrained liquid content from the cooled syngas directed through the annular passage to the exit path. | 12-30-2010 |
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 |
20110072721 | METHOD OF ASSEMBLY AND APPARATUS FOR COOLING SYNGAS - A syngas cooler for use in a gasification system is described that includes a head portion including a plurality of conduit headers. The syngas cooler also includes an annular shell portion including a plurality of conduits, the plurality of conduits configured to be coupled in flow communication with the plurality of conduit headers. The syngas cooler also includes a quench portion configured to remove particulates entrained in a flow of syngas flowing through the syngas cooler. The head portion and the shell portion are configured to be coupled together with a circumferential seam weld. | 03-31-2011 |
20110120010 | GASIFICATION QUENCH CHAMBER AND SCRUBBER ASSEMBLY - A gasification quench chamber is disclosed. The gasification quench chamber includes a reservoir that contains liquid coolant in its lower portion and an exit for the cooled syngas in its upper portion; a dip tube that is configured to introduce a syngas mixture to contact the liquid coolant which produces the cooled syngas; a cooling device configured to further cool the cooled syngas in its upper portion; and a stability device in the lower portion that is configured to mitigate coolant level fluctuation and sloshing. In an embodiment of the quench chamber, the cooling device includes a heat exchanger pipe. A quench chamber and scrubber assembly is also disclosed. | 05-26-2011 |
20120102835 | SYSTEM AND METHOD FOR PROTECTING GASIFIER QUENCH RING - A system includes a gasifier, which includes a reaction chamber configured to convert a feedstock into a synthetic gas, a quench chamber configured to cool the synthetic gas, a quench ring configured to provide a water flow to the quench chamber, and a quench ring protection system configured to protect the quench ring from the synthetic gas or a molten slag. The quench ring protection system includes a protective barrier disposed within an inner circumferential surface of the quench ring. The protective barrier substantially overlaps the inner circumferential surface in an axial direction along an axis of the quench ring. | 05-03-2012 |
20120111009 | SYSTEM FOR COOLING SYNGAS - A system includes a syngas cooler configured to cool a syngas. The syngas cooler includes a first syngas cooler section configured to cool the syngas and a second syngas cooler section configured to cool the syngas and generate a first superheated steam with an enthalpy of less than approximately 3800 kJ/kg. | 05-10-2012 |
20120171054 | SYSTEM FOR FLUIDIZING SOLID FEEDSTOCK FROM A SOLID FEED PUMP - According to various embodiments, a system includes a fluidization elbow. The fluidization elbow includes an elbow inlet, an elbow outlet downstream from the elbow inlet, and an elbow body disposed between the elbow inlet and the elbow outlet, wherein the elbow body turns and converges from the elbow inlet toward the elbow outlet. The fluidization elbow also includes multiple gas nozzles coupled to the elbow body, wherein the multiple gas nozzles include injection axes that generally converge toward the elbow outlet. | 07-05-2012 |
20120205222 | SYSTEM TO VENT SOLID FEED PUMP - A system includes a solid feed fuel pump. The solid feed fuel pump includes a solid feed flow path configured to route a solid fuel flow from an inlet to an outlet. The solid feed fuel pump also includes a vent including a filter, wherein the vent is configured to discharge fluid flow that is opposing the solid fuel flow. | 08-16-2012 |
20120219409 | PUMP USED IN GASIFICATION SYSTEM - A pump used in a gasification system, the pump comprises a housing having an inlet and an outlet, a rotor supported within the housing for rotation relative to the housing, the rotor comprising a hub, a plurality of disks spaced apart by sections of the hub, and defining a plurality of transport channels for transporting solid carbonaceous feedstocks for the gasification system, and an interior feedstock facing surface adjacent to the solid carbonaceous feedstocks, wherein at least a portion of the interior feedstock facing surface is coated with a coating. | 08-30-2012 |
20120291246 | DRAIN APPARATUS - In one embodiment, a system is provided, including a plug removal shield. The plug removal shield further includes a tube configured to surround a plug retaining a fluid volume, and a mount configured to hold the tube relative to the plug. The tube includes a port configured to pass a plug removal tool into proximity with the plug. | 11-22-2012 |
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 |
20140083659 | METHOD AND APPARATUS FOR SHIELDING COOLING TUBES IN A RADIANT SYNGAS COOLER - Methods and a system for shielding cooling tubes in a radiant syngas cooler. The heat shields may prevent direct contact between heated syngas and the cooling tubes. The heat shield may be mounted to a header that also attaches to the cooling tubes. The heat shield may also be separated from the cooling tubes or, alternatively, the heat shield may be coated onto the cooling tubes. Furthermore, prolonged exposure to the heated syngas may corrode the heat shield. | 03-27-2014 |
20140246175 | METHODS AND SYSTEMS FOR CONTROLLING TEMPERATURE IN A VESSEL - A system for preheating a pressure vessel includes a throat including an area of excess heat and a dome having an area of deficient heat. The throat includes a conduit extending from a pressure vessel opening to the pressure vessel interior. A plenum is defined between the throat and a seal within the dome. The throat extends from the dome toward a dome floor. The floor is substantially perpendicular to the throat. A conduit is coupled to the plenum and channels a flow of purge fluid into the plenum wherein heat from the throat is transferred to the flow of purge fluid and carried by the flow of purge fluid into the area of deficient heat via a gap defined between the seal and the floor such that the flow of purge fluid reduces temperature differential stresses within the pressure vessel and purges the area of deficient heat. | 09-04-2014 |