General Electric Company

Bha Group, Inc.

James Easel Roberts

Robert Warren Taylor

Bradley Stephen Rogers

Rahul Jaikaran Chillar

Jamison William Janawitz

Thomas Shannon Eckhoff

Vitali Victor Lissianski

David F Johnston

Wei Wu

Peter Martin Maly

Dale Joel Davis

Abdelkrim Younsi

Yingneng Zhou

David Michael Chapin

Terry Lewis Farmer

Joell Randolph Hibshman, Ii

Boris Nikolaevich Eiteneer

Jennifer Lynn Molaison

Charles Michael Booth

An exhaust gas recirculation (EGR) system and a method for recirculating an exhaust gas stream from an outlet to an inlet of a turbomachine are provided. The EGR system includes a guide element to channel the exhaust gas stream from the inlet to the outlet and a Rankine cycle system through which a working fluid is circulated. The Rankine cycle system including serially a high temperature heat exchanger in heat exchange relationship with the guide element; an expansion device coupled to a generator; a low temperature heat exchanger in heat exchange relationship with a cooling medium; and a pump. The exhaust stream at the outlet has a first temperature and the exhaust stream downstream of the high temperature heat exchanger has a second temperature that is lower than the first temperature.

Turbine exhaust recirculation

A portion of the exhaust generated by a turbomachine is recirculated through an inlet portion by an exhaust gas recirculation system. The system reduces the level of harmful constituents within the exhaust before the exhaust is recirculated.

System for recirculating the exhaust of a turbomachine

A method, apparatus and system for minimizing a quantity of particulate matter entrained within a gas stream is provided. A coarse filter removes at least a portion of particulate matter having a relatively-large particle size from the gas stream. An agglomerator agglomerates particulate matter having a relatively-small particle size remaining in the gas stream into particulate clusters after the portion of the particulate matter having the relatively-large particle size has been removed by the coarse filter. An injector introduces an agglomerating material into the gas stream before the gas stream enters the agglomerator. The agglomerating material promotes agglomeration of the particulate matter having the relatively-small particle size into the particulate clusters. And a second filter receives the gas stream and removes at least a portion of the particulate clusters entrained within the gas stream exiting the agglomerator.

Method and apparatus for air pollution control

A method of reducing the concentration of pollutants in a combustion flue gas having a first temperature is provided. The method includes the step of providing an organic Rankine cycle apparatus utilizing a working fluid and including at least one heat exchanger is arranged in thermal communication with the flue gas. The method further includes the step of reducing the temperature of the flue gas to a second temperature less than the first temperature by vaporizing the working fluid within the heat exchanger utilizing thermal energy derived from the flue gas. The method further includes the step of filtering the flue gas through at least one filter disposed downstream of the heat exchanger to remove pollutants from the flue gas. An associated system configured to reduce the concentration of pollutants in the combustion flue gas is also provided.

Power plant emissions control using integrated organic rankine cycle

A system and associated method for removing accumulated debris from a surface of a vessel. The system includes an impulse cleaning device defining a combustion chamber in which combustible fuel and air are mixed and ignited to produce combustion that is directed at the surface to be cleaned within the vessel, and an eductor assembly surrounding a downstream end of the chamber for inducting surrounding atmosphere into the combustion to widen the area being cleaned.

Device to improve effectiveness of pulse detonation cleaning

An inlet air filtration system for a gas turbine includes, in an exemplary embodiment, an air plenum, and a plurality of filter elements mounted inside the air plenum, with each filter element including a support structure. The inlet air filtration system also includes a plurality of electrodes positioned proximate the plurality of filter elements, where the electrodes are coupled to a power source which supplies a voltage to the electrodes. The voltage is sufficient to establish an electrostatic field between the electrodes and the filter elements, and is sufficient to produce a corona discharge from the electrodes, wherein an amount of current applied to the filter elements is about 0.1 &#x3bc;A/ftto about 15 &#x3bc;A/ft.

Apparatus for filtering gas turbine inlet air

The exhaust within an exhaust gas recirculation (EGR) system should be purged to allow for access to the components of the EGR system. A system and method for purging the EGR system is provided. The system and method may incorporate an: EGR purge fan, an EGR purge blower, or a turbomachine. The system and method may draw the exhaust out of the EGR system. The system and method may drive the exhaust out of the EGR system.

Purge system for an exhaust gas recirculation system

A method of reducing particulate matter and mercury emissions in a combustion flue gas includes, in an exemplary embodiment, combusting a fuel resulting in generation a flue gas flow, cooling the flue gas flow within a duct, positioning a flow conditioning apparatus within the duct, enhancing a reaction rate of the mercury and carbon-containing fly ash particles by directing the flue gas flow through the flow conditioning apparatus to mix the carbon-containing fly ash particles and mercury within the flue gas flow and to facilitate at least one of oxidation of the mercury and binding the mercury to the carbon-containing fly ash particles, collecting a portion of the carbon-containing fly ash particles in the flow conditioning apparatus, and directing the flue gas flow to a particulate collection device to remove the remaining portion of the fly ash particles from flue gas flow.

Method and apparatus for removing mercury and particulates from combustion exhaust gas

An inlet air filtration system for a gas turbine includes, in an exemplary embodiment, an air plenum, and a plurality of filter elements mounted inside the air plenum, with each filter element including a support structure. The inlet air filtration system also includes a plurality of electrodes positioned proximate the plurality of filter elements, where the electrodes are coupled to a power source which supplies a voltage to the electrodes. The voltage is sufficient to establish an electrostatic field between the electrodes and the filter elements, and at the same time, the voltage is sufficient to produce a corona discharge from the electrodes.

A method to facilitate improving electrostatic precipitator performance is provided. The method includes providing an electrostatic precipitator including an inlet, a collector chamber and an outlet, where the collector chamber includes a plurality of discharge electrodes and a plurality of collector electrodes. The method also includes defining a respective discharge electrode V-I performance for each of the plurality of discharge electrodes, identifying a particle removal characteristic for each respective discharge electrode based on the respective discharge electrode V-I performance for each of the plurality of discharge electrodes and positioning each of the plurality of discharge electrodes in the electrostatic precipitator according to the particle removal characteristic for each respective discharge electrode.

Method and systems to facilitate improving electrostatic precipitator performance

An inlet air treatment system for a gas turbine includes, in an exemplary embodiment, an air plenum, and a moisture removal system, and an air filtration system located downstream from the moisture removal system. The moisture removal system includes a plurality of S-shaped vanes, and a mesh structure downstream from the plurality of S-shaped vanes. The air filtration system includes a plurality of filter elements, with each filter element including a support structure. The inlet air filtration system also includes a plurality of electrodes positioned proximate the plurality of filter elements, where the electrodes are coupled to a power source which supplies a voltage to the electrodes. The voltage is sufficient to establish an electrostatic field between the electrodes and the filter elements, and at the same time, the voltage is sufficient to produce a corona discharge from the electrodes.

Growing community of inventors

Kansas City, MO, United States of America

James Easel Roberts