Abstract: 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.

Abstract: Methods and systems for a feed injector are provided. The feed injector includes a first annular channel defined in the feed injector. The first annular channel includes a first end, an arcuate portion and a second end. The arcuate portion is between the first and second ends, and the first annular channel is oriented substantially concentrically about a longitudinal axis of the feed injector. The arcuate portion is oriented to discharge a fluid flowing through the first annular channel radially outward with respect to the longitudinal axis. The feed injector also includes a second annular channel including a first end, an arcuate portion, and a second end, wherein the arcuate portion is between the first and second ends. The second annular channel circumscribes the first annular channel, and the second annular channel first end is positioned radially outward and downstream from the first annular channel first end.

Abstract: 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.

Abstract: 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 a solid fuel through a fuel outlet in a fuel direction. The first gas passage is configured to inject a first gas through a first gas outlet in a first gas direction. The second gas passage is configured to inject a second gas through a second gas outlet in a second gas direction. The first gas direction is oriented at a first angle relative to the fuel direction. The second gas direction is oriented at a second angle relative to the fuel direction, and the first and second angles are different from one another.

Abstract: Techniques are disclosed for methods, architectures and security mechanisms for a third-party application to access content in a cloud-based platform. In one embodiment, a method includes, providing a third-party application with direct access to content in a cloud-based environment. The third-party application is hosted by an entity different from that of the cloud-based environment. In some embodiments, the direct access to the content in the cloud-based environment is provided to the third-party application and accomplished without a need to access an application that is native to the cloud-based environment.

Abstract: Techniques are disclosed for using a third-party application to access or edit a file within a cloud-based environment within a cloud-based platform or environment. In one embodiment, a method includes, in response to a request to access the content in the cloud-based environment, providing the third-party application with a login view to verify an identity of a user. The login view is generated from a server hosting the environment. The method further includes, upon the verification of the user's identity, providing the requested content to the third-party application.

Abstract: Techniques are disclosed for methods, architectures and security mechanisms for a third-party application to access content in a cloud-based platform. In one embodiment, a method includes, receiving, at the third-party application, metadata that identifies the file. The method further includes transmitting the metadata to a server which is associated with the third-party application. The metadata enables the server to request the file from the cloud-based environment.

Abstract: Techniques are disclosed for using a third-party application to access or edit a file within a cloud-based environment within a cloud-based platform or environment. In one embodiment, a method includes, in the cloud-based environment, responsive to detecting a request to access or edit a file using the third-party application, the file is provided for access or edit using the third-party application. The third-party application includes a user interface which is customized to enable storage of the accessed or edited file to the cloud-based environment. In some embodiments, the third-party application is allowed or restricted to store the accessed file back to the cloud-based environment.

Abstract: A system includes a gasification fuel injector. The gasification fuel injector includes a mixing device configured to mix together at least two of a solid stream, a liquid stream, or a gaseous stream, or a combination thereof, to generate a mixture. The mixing device is disposed upstream of a tip portion of the gasification fuel injector, and the mixture is discharged from the tip portion.

Abstract: A method of assembling a feed injector is provided. The method includes providing a feed injector tip that includes an inlet, a tip end, a flow passage that extends longitudinally through the feed injector tip from the inlet to the tip end, an annular cooling channel that substantially circumscribes the flow passage, and a buffer region that separates the annular cooling channel from the flow passage. The method further includes coupling the feed injector tip to the feed injector to enable a fluid to be channeled through the flow passage, such that the fluid flows past the inlet, at which the buffer region has a first width, before flowing past the tip end, at which the buffer region has a second width, the first width wider than the second width, and coupling a cooling assembly to the feed injector to enable a flow of cooling fluid to be channeled into the annular cooling channel.

Abstract: An injector tip for a nozzle includes a center body having a plurality of center body openings at a distal end configured to inject a fuel flow into a combustion zone of a combustor. One or more fuel passages are arranged around the center body and are configured to inject a fuel slurry into the combustion zone. One or more oxygen passages are arranged around the center body and are configured to inject an oxygen flow into the combustion zone.

Abstract: A method of assembling a feed injector is provided. The method includes providing a feed injector tip that includes an inlet, a tip end, a flow passage that extends longitudinally through the feed injector tip from the inlet to the tip end, an annular cooling channel that substantially circumscribes the flow passage, and a buffer region that separates the annular cooling channel from the flow passage. The method further includes coupling the feed injector tip to the feed injector to enable a fluid to be channeled through the flow passage, such that the fluid flows past the inlet, at which the buffer region has a first width, before flowing past the tip end, at which the buffer region has a second width, the first width wider than the second width, and coupling a cooling assembly to the feed injector to enable a flow of cooling fluid to be channeled into the annular cooling channel.

Abstract: 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.

Abstract: A system, including, a gasifier, including: a gasification region, an inner wall surrounding the gasification region, and a first fuel path extending along the inner wall, wherein the first fuel path is configured to flow a first fuel to cool the gasifier, and the gasifier is configured to inject the first fuel from the first fuel path into the gasification region.

Abstract: 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 a solid fuel through a fuel outlet in a fuel direction. The first gas passage is configured to inject a first gas through a first gas outlet in a first gas direction. The second gas passage is configured to inject a second gas through a second gas outlet in a second gas direction. The first gas direction is oriented at a first angle relative to the fuel direction. The second gas direction is oriented at a second angle relative to the fuel direction, and the first and second angles are different from one another.

Abstract: A method and system for recovering heat in a gasifier are provided. The gasifier includes a pressure vessel including a substantially cylindrical shell, an upper head, and a lower head. The gasifier also includes a refractory wall substantially concentric with the shell and spaced apart radially inwardly from the shell, and a superheater heat exchanger mounted between the shell and the refractory wall.

Abstract: Methods and systems for a feed injector are provided. The feed injector includes a first annular channel defined in the feed injector. The first annular channel includes a first end, an arcuate portion and a second end. The arcuate portion is between the first and second ends, and the first annular channel is oriented substantially concentrically about a longitudinal axis of the feed injector. The arcuate portion is oriented to discharge a fluid flowing through the first annular channel radially outward with respect to the longitudinal axis. The feed injector also includes a second annular channel including a first end, an arcuate portion, and a second end, wherein the arcuate portion is between the first and second ends. The second annular channel circumscribes the first annular channel, and the second annular channel first end is positioned radially outward and downstream from the first annular channel first end.

Abstract: 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.