One or more cooling systems for ventilating a turbine and rotary shaft of a gas turbine system is provided. The gas turbine system includes a gas turbine engine and a turbine exhaust collector in separate enclosures. A first cooling system includes an educator that sucks exhaust gas through a diffuser and directs it out of the turbine exhaust collector enclosure based on suction pressure created from the high velocity of exhaust gas. A second cooling system include struts that enable the exhaust gas to flow from the diffusers to a ventilation flow stack. A third cooling system includes exhaust gas sucked from an opening to a top duct based on suction pressure created from the rotation of the rotary shaft disposed about a coupling. A guideway associated with the third cooling system also directs the exhaust gas to flow to the top duct. These cooling systems are designed to increase the efficiency of ventilating the turbine and rotary shaft, prevent misalignments of the rotary shaft, which may result in thermal stresses, and allow the use of the gas turbine systems in higher ambient temperature environments.

An exhaust device for a combined cycle power plant, includes a diffuser and a plenum. The diffuser includes a first wall, a second wall, a diffuser inlet, a diffuser outlet, and a diffuser flow path. The first and second walls extend circumferentially about a centerline axis of the exhaust device. The second wall is spaced from the first wall. The diffuser flow path is defined between the first and second walls, and extends from the diffuser inlet to outlet. The plenum includes an inlet wall portion and a non-circular plenum outlet, where the inlet wall portion is coupled to the diffuser outlet. The non-circular plenum outlet is spaced from the diffuser outlet along an axial direction of the exhaust device.

Proposed is an exhaust gas processing device for a thermal power station. The exhaust gas processing device includes: a diffusion module portion configured to adjust an exhaust gas flow, between a duct disposed on a rear end of a gas turbine of a thermal power station and the gas turbine, thereby inducing same toward an inner wall of the duct; a plurality of spray nozzles installed in a flow section, inside the duct, of an exhaust gas induced from the diffusion module portion toward the inner wall of the duct and protruding formed from the inner wall of the duct; a fluid supply pipe connected to the spray nozzles and being extended to the outside of the duct; and a fluid supply portion configured to supply liquid-phase contaminant processing fluid to the spray nozzles through the fluid supply pipe.

An exhaust energy recovery system (EERS) and associated methods for an engine are disclosed. An embodiment of an EERS, for example, includes an inlet duct that is configured to divert exhaust gas from an exhaust duct of the engine into the recovery system and an outlet duct configured to return the exhaust gas to the exhaust duct downstream of the inlet duct. The recovery system is configured to heat components or fluids associated with engine to operating temperatures. The recovery system may be part of a mobile power system that is mounted to a single trailer and includes an engine and a power unit such as a high pressure pump or generator mounted to the trailer. Methods of operating and purging recovery systems are also disclosed.

A gas turbine is provided with an exhaust diffuser in which an exhaust flow path for circulating exhaust gas from a turbine is formed, and a cooling device for cooling a structure facing the exhaust flow path in the exhaust diffuser. The cooling device has a guide part in which a guide flow path for circulating a cooling medium is formed and which is configured to guide the cooling medium to the structure, and a switching part able to switch between a first state where a flow rate of the cooling medium flowing through the guide flow path is a first flow rate corresponding to a flow rate during a rated operation and a second state where the flow rate of the cooling medium is a second flow rate higher than the first flow rate.

An apparatus for treating exhaust gas of a thermal power plant according to the present invention includes: a diffusion module part controlling an exhaust gas flow between a duct disposed at a rear end of a gas turbine of the thermal power plant and the gas turbine to guide the exhaust gas flow toward an inner wall of the duct; a plurality of injection nozzles installed in a flow section in the duct in which the exhaust gas guided toward the inner wall of the duct from the diffusion module part flows, and protruding from the inner wall of the duct; a fluid supply pipe connected to the injection nozzles and extending outside the duct; a fluid supply part supplying a pollutant treatment fluid in liquid phase to the injection nozzles through the fluid supply pipe; and a catalyst module disposed at rear ends of the injection nozzles.

A carbon capture system comprising a gas turbine with a heat exchanger operable to heat a working fluid in the gas turbine, a source of high temperature exhaust gas operable to supply heat to the gas turbine through heat exchanger to heat the working fluid wherein the source of high temperature exhaust gas is operable to provide exhaust gas at a high pressure which is greater than the vapor to liquid transition pressure of CO2 at the temperature of a coolant.

A system includes a probe disposed through one or more walls of a turbomachine. The probe includes a sensing component configured to sense a parameter of the turbomachine. The probe also includes a body coupled to the sensing component, an inlet configured to receive a cooling inflow, a shell that defines a cooling passage, and an outlet. The sensing component is disposed on a warm side of the one or more walls. The inlet and the outlet are disposed on a cool side of the one or more walls. The cooling passage directs the cooling inflow toward the sensing component and toward the outlet. The outlet is configured to receive an outflow from the cooling passage, wherein the outflow includes at least a portion of the cooling inflow.

The disclosure relates to a nozzle (12) for cooling a jet engine (2) for maintenance, wherein the jet engine (2) comprises an exhaust channel (21) for the exit of exhaust gases of the jet engine (2), the nozzle (12) comprises a suction adapter (121) having a round shape adapted to be connected in sealed manner to the exhaust channel (21) for sucking air from the exhaust channel (21), and a suction channel (122) in fluid connection with the suction adapter (121) for sucking air from the suction adapter (121), wherein the suction channel (122) is arranged to be connected to an air suction device (13).

The disclosure relates also to an apparatus (1) for cooling a jet engine (2) for maintenance and a method for maintenance of a jet engine (2).

Apparatuses for generating carbon particles and exhaust gas used by gas turbine systems are disclosed. One apparatus may include a decarbonization component combusting or reacting a mixture of a fuel and a mixing gas to generate the carbon particles and the exhaust gas and an exhaust conduit to receive the exhaust gas generated by the decarbonization component. The apparatus may also include a mixing duct in fluid communication with the exhaust conduit and the gas turbine system. The mixing duct may receive the exhaust gas and provide the exhaust gas to the gas turbine system to be used to produce a working fluid within the gas turbine system. The apparatus may further include a carbon particle collection component for receiving and storing the generated carbon particles.