Abstract: Disclosed herein is a temperature actuated valve, including a stationary member and a movable member, wherein the stationary member is configured to receive the movable member. A first flow path is defined between an outer surface of the stationary member and an inner surface of a housing and a second flow path defined by and within the movable member. The temperature actuated valve further includes at least one temperature actuated member having a first end seated against a base of the stationary member and a second end seated against a base of the movable member. The temperature actuated valve further includes a bias member having a first end connected to the base of the stationary member and a second end connected to the base of the movable member, the at least one temperature actuated member configured to compress at a first temperature and expand at a second temperature.

Abstract: Disclosed herein is a temperature actuated valve, including a stationary member and a movable member, wherein the stationary member is configured to receive the movable member. A first flow path is defined between an outer surface of the stationary member and an inner surface of a housing and a second flow path defined by and within the movable member. The temperature actuated valve further includes at least one temperature actuated member having a first end seated against a base of the stationary member and a second end seated against a base of the movable member. The temperature actuated valve further includes a bias member having a first end connected to the base of the stationary member and a second end connected to the base of the movable member, the at least one temperature actuated member configured to compress at a first temperature and expand at a second temperature.

Abstract: A substrate processing system that includes a multi-station processing chamber that includes a plurality of process stations is provided. Each process station has one or more processing components cooled by a cooling system. In one embodiment, the cooling system includes a closed loop monitoring system comprising a flow control valve fluidly coupled to a coolant supply line, a valve position measuring system for continuously monitoring the position of the valve, and a valve position controller for adjusting the position of the valve.

Abstract: An expansion joint for use between a turbine duct and a diffuser duct includes a first flange coupled to the turbine duct, a second flange coupled to the diffuser duct, and a flexible element positioned between and coupled to the first flange of the turbine duct and the second flange of the diffuser duct. The flexible element defines a trough for receiving a liquid therein. The trough includes a drain pipe configured to channel the liquid away from the trough.

Abstract: A system includes a radiant syngas cooler which receives and cools syngas generated in a gasifier. The radiant syngas cooler includes an outer shell of the radiant syngas cooler defining an annular space of the radiant syngas cooler and a heat exchange tube of the radiant syngas cooler positioned within the annular space and configured to flow a cooling medium. The heat exchange tube is configured to enable heat exchange between the syngas and the cooling medium to cool the syngas. The radiant syngas cooler includes a downcomer tube of the radiant syngas cooler which supplies the cooling medium to the heat exchange tube, where the downcomer tube includes a downflow portion positioned outside of the annular space of the radiant syngas cooler. The downflow portion is fluidly coupled to a header, and the header fluidly couples the downcomer tube to the heat exchange tube.

Abstract: An expansion joint for use between a turbine duct and a diffuser duct includes a first flange coupled to the turbine duct, a second flange coupled to the diffuser duct, and a flexible element positioned between and coupled to the first flange of the turbine duct and the second flange of the diffuser duct. The flexible element defines a trough for receiving a liquid therein. The trough includes a drain pipe configured to channel the liquid away from the trough.

Abstract: A system includes a radiant syngas cooler which receives and cools syngas generated in a gasifier. The radiant syngas cooler includes an outer shell of the radiant syngas cooler defining an annular space of the radiant syngas cooler and a heat exchange tube of the radiant syngas cooler positioned within the annular space and configured to flow a cooling medium. The heat exchange tube is configured to enable heat exchange between the syngas and the cooling medium to cool the syngas. The radiant syngas cooler includes a downcomer tube of the radiant syngas cooler which supplies the cooling medium to the heat exchange tube, where the downcomer tube includes a downflow portion positioned outside of the annular space of the radiant syngas cooler. The downflow portion is fluidly coupled to a header, and the header fluidly couples the downcomer tube to the heat exchange tube.

Abstract: A quench system includes a housing having a longitudinal axis, a gas path for a gas within the housing, a steam input and output, and a dip tube within the housing. The dip tube includes tubing arranged to form a wall. A steam path, separate from the gas path, is disposed within the tubing in a thickness of the wall. The dip tube is configured to allow passage of the gas along the gas path. The steam input is fluidically connected to the steam output by the tubing. The quench system is configured to cool the gas along the gas path and heat steam along the steam path within the tubing of the dip tube.

Abstract: The present disclosure provides a feed injector for a gasification system. The feed injector may include an inner tube defining an inner feed passage therein, an intermediate tube defining an intermediate feed passage therein, and an outer tube defining an outer feed passage therein. The outer tube may include an outer tube pipe portion and an outer tube tip portion attached to one another, and the outer tube tip portion may be formed of a ceramic matrix composite, a sintered Silicon Carbide, or a sintered Silicon Nitride. The present disclosure also provides a related method of operating a feed injector of a gasification system as well as a related integrated gasification combined cycle power plant.

Abstract: A quench system includes a housing having a longitudinal axis, a gas path for a gas within the housing, a steam input and output, and a dip tube within the housing. The dip tube includes tubing arranged to form a wall. A steam path, separate from the gas path, is disposed within the tubing in a thickness of the wall. The dip tube is configured to allow passage of the gas along the gas path. The steam input is fluidically connected to the steam output by the tubing. The quench system is configured to cool the gas along the gas path and heat steam along the steam path within the tubing of the dip tube.

Abstract: A modular heat exchanger assembly for a steam generator includes a first fluid inlet conduit configured and disposed to be connected to a source of a first fluid, and a tube sheet coupled to the first fluid inlet conduit. The tube sheet includes a first surface and an opposing, second surface. A plurality of platen tubes extends from the second surface of the tube sheet. The plurality of platen tubes is configured and disposed to carry a second fluid in a heat exchange relationship with the first fluid in a heat exchange vessel. The modular heat exchanger assembly is configured and disposed to be selectively and readily removable from the heat exchange vessel.

Abstract: A system includes an integrated vessel that extends along a longitudinal axis. The integrated vessel includes a gasifier portion and a syngas cooler portion. The syngas cooler portion is disposed axially adjacent to the gasifier portion along the longitudinal axis. The integrated vessel also includes platen tubes that extend from the syngas cooler portion into the gasifier portion. The platen tubes are configured to route coolant through the integrated vessel.

Abstract: A radiant syngas cooler is provided and includes a vessel shell defining an interior region for cooling of syngas. The cooler also includes a tube cage comprising a plurality of tubes, each having a first end and a second end. The cooler further includes a plurality of platen tubes located radially inwardly from the tube cage. The cooler yet further includes a pipe fluidly coupling the second end of the plurality of tubes with an inlet of the plurality of platen tubes. The cooler also includes an outlet pipe fluidly coupling an outlet of the plurality of platen tubes with a steam usage structure. The cooler further includes an inlet pipe fluidly coupling the steam usage structure to the first end of the plurality of tubes of the tube cage.

Abstract: A system includes a gasifier that may gasify a feedstock to produce a syngas and a syngas cooler that includes a cooling chamber having a tapered configuration. The cooling chamber includes a first section that may separate particulates from the syngas and includes a first opening and a second opening. The first opening has a smaller width than the second opening. The system also includes a second section in fluid communication with the first section that includes a plurality of tubes surrounding the first section. A first portion of the plurality of tubes is arranged parallel to a longitudinal axis of the cooling chamber and a second portion of the plurality of tubes is angled such that the second portion of the plurality of tubes forms the tapered configuration. The system further includes a passage to flow a seal gas between a shell of the radiant syngas cooler and the second section. The shell encloses the cooling chamber.

Abstract: A system includes an integrated vessel that extends along a longitudinal axis. The integrated vessel includes a gasifier portion and a syngas cooler portion. The syngas cooler portion is disposed axially adjacent to the gasifier portion along the longitudinal axis. The integrated vessel also includes platen tubes that extend from the syngas cooler portion into the gasifier portion. The platen tubes are configured to route coolant through the integrated vessel.

Abstract: The present disclosure provides a feed injector for a gasification system. The feed injector may include an inner tube defining an inner feed passage therein, an intermediate tube defining an intermediate feed passage therein, and an outer tube defining an outer feed passage therein. The outer tube may include an outer tube pipe portion and an outer tube tip portion attached to one another, and the outer tube tip portion may be formed of a ceramic matrix composite, a sintered Silicon Carbide, or a sintered Silicon Nitride. The present disclosure also provides a related method of operating a feed injector of a gasification system as well as a related integrated gasification combined cycle power plant.

Abstract: A system includes a gasifier that may gasify a feedstock to produce a syngas and a syngas cooler that includes a cooling chamber having a tapered configuration. The cooling chamber includes a first section that may separate particulates from the syngas and includes a first opening and a second opening. The first opening has a smaller width than the second opening. The system also includes a second section in fluid communication with the first section that includes a plurality of tubes surrounding the first section. A first portion of the plurality of tubes is arranged parallel to a longitudinal axis of the cooling chamber and a second portion of the plurality of tubes is angled such that the second portion of the plurality of tubes forms the tapered configuration. The system further includes a passage to flow a seal gas between a shell of the radiant syngas cooler and the second section. The shell encloses the cooling chamber.