General Electric Company

Fmc Corporation

Air Products and Chemicals, Inc.

Lien-Yan Chen

James Michael Storey

Judeth Brannon Corry

Robert Henri Gauthier

Yasir Hafeez Abbasi

Steven Craig Russell

Benjamin Campbell Steinhaus

Alex Clinton Solomon

John Saunders Stevenson

Qiong Zhou

Jay Christopher Schleicher

Charles Edward Jennings

Michael R Williams

Fulton Jose Lopez

Aaron John Avagliano

Thomas Frederick Leininger

Henry Wong

Pallab Karmakar

Allyson Joy Jimenez-Huyke

Rajeshwar Sripada

Bob C Hopkins

Claud C Barrington

Ronald D Quates

John N McIntyre

Karol Rzepniewski

Anna Renata Ziombra

Alfred P Regitz

George Dodan

A syngas cooler system includes a pressure vessel, a conduit, a plenum, a plenum, a conduit, and a bellows assembly. The pressure vessel includes a throat and a dome adjacent to the throat. The throat includes an area of excess heat, and the dome includes an area of deficient heat. The plenum extends between the throat and the bellows assembly. The bellows assembly is coupled at least partially within the dome. The conduit is coupled to the plenum for channeling a flow of purge fluid from external to the pressure vessel into the plenum such that purge fluid transfers heat from the area of excess heat into the area of deficient heat to facilitate reducing temperature differential stresses within the dome and the pressure vessel.

Methods and systems for controlling temperature in a vessel

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.

RSC external downcomer tube arrangement

A syngas cooler is configured to cool a syngas. The syngas cooler includes a superheater heat exchanger, which further includes a first header configured to receive saturated steam, a second header configured to discharge superheated steam, and a first group of tubes directly coupled to and vertically extending between the first and second headers. Each tube of the first group of tubes includes an outer surface that interfaces with the syngas and a respective length between the first and second headers, and each tube of the first group of tubes does not contact another tube along the respective length to enable a flow of the syngas around each tube's outer surface along its respective length and between each tube.

Syngas cooler

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.

A system includes a syngas cooler configured to cool a syngas. The syngas cooler includes a vessel with a head portion and a first opening and a first pipe that extends through the first opening. The first pipe is configured to convey a heated fluid out of the vessel. A first flanged connection is disposed about the first opening, wherein the first pipe extends through the first flanged connection and is coupled to the flanged connection.

System for accommodating differential thermal expansion in syngas cooler

A vessel for use in a gasification system is provided. The vessel includes a shell and a heat exchange structure positioned within the shell. The heat exchange structure defines a central cavity configured to receive and to direct a syngas to a quenching portion positioned downstream of the central cavity along a syngas path. A passageway is disposed between the shell and the heat exchange structure. A liquid seal is positioned upstream of the quenching portion, and the liquid seal is configured to block transport of at least one of the syngas between from the quenching portion into the passageway and inert gas from the passageway into the quenching portion.

System and method for cooling syngas within a gasifier system

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.

System for installing a seal in a syngas cooler

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.

Method of assembly and apparatus for cooling syngas

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.

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.

Drain apparatus

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.

Apparatus for cooling and scrubbing a flow of syngas and method of assembling

A gate valve is disclosed which includes a modified valve seat designed to reduce stress concentrations and wear between the gate and the valve seat. The valve seat includes a relief groove positioned on the inner diameter of the valve seat relatively close to the seating surface of the valve seat.

Seat for gate valve

An annular metallic seal element for wellhead housings to provide a fluid-tight seal with a well casing that will withstand extreme temperatures and high pressures.

Metal-to-metal wellhead seal for rough casing

A stem-operated fire-resistant gate valve including an improved metal-to-metal stem backseat a eutectic ring assembly for facilitating automatic stem backseating at pre-selected temperatures, spring enhancement of the backseating procedure, and a lost motion connection between the valve stem and the valve closure element.

Growing community of inventors

Spring, TX, United States of America

Lien-Yan Chen