Patent application number | Description | Published |
20100229570 | BURNER FOR A GAS TURBINE AND METHOD FOR LOCALLY COOLING A HOT GASES FLOW PASSING THROUGH A BURNER - The burner ( | 09-16-2010 |
20100287940 | Burner of a gas turbine - The burner ( | 11-18-2010 |
20120036824 | REHEAT BURNER - A reheat burner ( | 02-16-2012 |
20120055162 | LANCE OF A BURNER - The lance of a burner includes a body that defines a first duct with first nozzles for injecting a liquid fuel and a second duct with second nozzles for injecting a gaseous fuel. Outlets of the first nozzles are spaced apart from outlets of the second nozzles. The body includes a third duct with third and fourth nozzles for injecting air. The third nozzles surround an axis of the first nozzles and the fourth nozzles surround an axis of the second nozzles. | 03-08-2012 |
20120260622 | REHEAT BURNER INJECTION SYSTEM - A burner, such as for a secondary combustion chamber of a gas turbine with sequential combustion having first and second combustion chambers, includes an injection device for introducing at least one gaseous fuel into the burner. The injection device has at least one body which is arranged in the burner with at least one nozzle for introducing the gaseous fuel into the burner. The body is configured as a streamlined body which has a streamlined cross-sectional profile and which extends with a longitudinal direction perpendicularly or at an inclination to a main flow direction prevailing in the burner. The at least one nozzle has its outlet orifice at or in a trailing edge of the streamlined body. The body has two lateral surfaces substantially parallel to the main flow direction. At least one vortex generator is located on at least one lateral surface upstream of the at least one nozzle. | 10-18-2012 |
20120285172 | PREMIXED BURNER FOR A GAS TURBINE COMBUSTOR - The disclosure relates to a burner for a single combustion chamber or first combustion chamber of a gas turbine, with an injection device for the introduction of at least one gaseous and/or liquid fuel into the burner, wherein the injection device has at least one body which is arranged in the burner with at least one nozzle for introducing the at least one fuel into the burner, wherein the at least one body is located in a first section of the burner with a first cross-sectional area at a leading edge of the at least one body with reference to a main flow direction prevailing in the burner, wherein downstream of said body a mixing zone is located with a second cross-sectional area, and at and/or downstream of said body the cross-sectional area is reduced, such that the first cross-sectional area is larger than the second cross-sectional area. | 11-15-2012 |
20120297777 | REHEAT BURNER INJECTION SYSTEM WITH FUEL LANCES - The disclosure relates to a burner such as for a secondary combustion chamber of a gas turbine with sequential combustion having a first and a second combustion chamber, with an injection device for introduction of at least one gaseous and/or liquid fuel into the burner. The injection device has at least one body which is arranged in the burner with at least one nozzle for introducing the at least one gaseous fuel into the burner, the at least one body being configured as a streamlined body which has a streamlined cross-sectional profile and which extends with a longitudinal direction perpendicularly or at an inclination to a main flow direction prevailing in the burner. At least one nozzle has its outlet orifice downstream of a trailing edge of the streamlined body. | 11-29-2012 |
20130091852 | OPERATING METHOD FOR HYDROGEN/NATURAL GAS BLENDS WITHIN A REHEAT GAS TURBINE - A gas turbine is operated using a varying blend of a first fuel, preferably natural gas, and a second fuel that is hydrogen. The hydrogen concentration is varied depending on operating conditions in order to reduce emissions of CO and NOx, and/or to mitigate LBO. The fuel mixture is varied using a controller based on a combination of factors in a modular operation concept to address different issues according to relevant load limitations. A method of operating a gas turbine according to this modular operational concept is also provided. | 04-18-2013 |
20140109586 | METHOD FOR OPERATING A GAS TURBINE WITH SEQUENTIAL COMBUSTION AND GAS TURBINE FOR CONDUCTING SAID METHOD - The invention discloses a method for operating a gas turbine with sequential combustion, which gas turbine includes a compressor, a first combustor with a first combustion chamber and first burners, which receives compressed air from the compressor, a second combustor with a second combustion chamber and second burners, which receives hot gas from the first combustor with a predetermined second combustor inlet temperature, and a turbine, which receives hot gas from the second combustor. The CO emission for part-load operation is reduced by reducing the second combustor inlet temperature for base-load operation of the gas turbine, and increasing the second combustor inlet temperature when decreasing the gas turbine load (RL | 04-24-2014 |
20140109588 | BURNER FOR A CAN COMBUSTOR - The present invention relation to a burner for a combustion chamber of a gas turbine with a mixing and injection device. The mixing and injection device includes a limiting wall that defines a gas-flow channel and at least two streamlined bodies, each extending in a first transverse direction into the gas-flow channel. Each streamlined body has two lateral surfaces that are arranged essentially parallel to the main-flow direction, the lateral surfaces being joined to one another at their upstream side to form a leading edge of the body and joined at their downstream side to form a trailing edge of the body. Each streamlined body has a cross-section perpendicular to the first transverse direction that is shaped as a streamlined profile. At least one of the streamlined bodies is provided with a mixing structure and with at least one fuel nozzle located at its trailing edge for introducing at least one fuel essentially parallel to the main-flow direction into the flow channel, wherein at least two of the streamlined bodies have different lengths along the first transverse direction such that they may be used for a can combustor. The invention also relates to a method of using said burner in a gas turbine. | 04-24-2014 |
20140123665 | REHEAT BURNER ARRANGEMENT - A reheat burner arrangement including a center body, an annular duct with a cross-section area, an intermediate fuel injection plane located along the center body and being actively connected to the cross section area of the annular duct, wherein the center body is located upstream of a combustion chamber, wherein the structure of the reheat burner arrangement is defined by various parameters and the structure of the reheat burner arrangement is defined by various dependencies. | 05-08-2014 |
20150013339 | MIXING ARRANGEMENT FOR MIXING A FUEL WITH A STREAM OF OXYGEN CONTAINING GAS - The invention relates to a mixing arrangement for mixing a fuel with a stream of oxygen containing gas flowing along an axis in an axial channel, especially in the second combustor of a gas turbine with sequential combustion. The mixing is improved and the mixing length reduced by said mixing arrangement comprising an injector with at least one injector ring, which is passed by said stream of gas inside and outside. | 01-15-2015 |
Patent application number | Description | Published |
20090309589 | DEVICE FOR THE IN-LINE DETECTION OF SURFACE DEFECTS IN A ROLLED PRODUCT IN A ROLLING STAND AND RELATIVE METHOD | 12-17-2009 |
20110026672 | THICKNESS MEASURER FOR METAL SHEET AND RELATIVE MEASURING METHOD - Thickness measurer for metal elements ( | 02-03-2011 |
20110200231 | DEVICE TO ANALYZE AND DETERMINE THE MOVEMENT CHARACTERISTICS OF PRODUCTS, IN PARTICULAR IN A CASTING LINE, AND RELATIVE METHOD - A device to analyze and determine the movement characteristics of products moving in a determinate direction of feed (F) and emitting radiations, in particular products exiting from a casting line, comprises a camera to continuously acquire images of the product moving in the direction of feed (F) in at least two successive instants of time, and an electronic processing unit by means of which the comparison between at least two successive images acquired is carried out, using mathematical algorithms based on the image correlation principle, in order to determine the spatial displacement of the images and then the movement characteristics of the product moving in the direction of feed (F) are analyzed and determined. | 08-18-2011 |
20130111987 | LEVEL DETECTION DEVICE IN A CASTING EQUIPMENT AND RELATIVE DETECTION METHOD - A level detection device in casting equipment oscillating linearly, in a manner concordant with a substantially vertical direction of advance of molten steel in the casting equipment at a desired frequency of oscillation includes the device oscillating at the same frequency and disposed at a predetermined operating height. The device generates a continuous magnetic field, and the field generator is oriented transversely to the direction of advance of the steel in the casting equipment, so as to generate alternate induced currents in the molten steel. The device detects a variable induced magnetic field generated by and concatenated with said alternate induced currents, wherein the intensity of the variable induced magnetic field as detected is correlated to the level of the molten steel in the casting equipment with respect to the operating height. | 05-09-2013 |
20130147465 | DEVICE TO DETECT THE LEVEL OF LIQUID METAL IN A CASTING APPARATUS AND RELATIVE METHOD - A device to detect the level of liquid metal (M) in a casting apparatus includes a box-like structure associated in correspondence with an upper end of a crystallizer. The box-like structure has a peripheral cavity inside in which a device for the generation and detection of a variable magnetic field is disposed. The device for the generation and detection extends for a segment beyond an inner corner of the crystallizer so as to face directly into the open top of the crystallizer. | 06-13-2013 |
20130160509 | METHOD AND DEVICE TO CONTROL THE SECTION SIZES OF A ROLLED PRODUCT - A method controls the section sizes of a rolled product in a segment of a rolling line between at least two rolling stands, wherein each is provided with its own drive members, in which at least a detector located between the two rolling stands detects a characteristic size of the rolled product. A control unit compares the characteristic size of the rolled product with a reference size and acts on said drive members in order to hold the rolled product in an optimal drawing condition. The method comprises setting a predefined value of an electric quantity of at least one of the drive members, measuring the reference size, and verifying the characteristic size of the rolled product in transit. If a deviation is detected between the characteristic size and the reference size, returning the characteristic size of the rolled product to the reference size. | 06-27-2013 |
20150030049 | METHOD FOR MANAGING THE CHARGE IN A MELTING FURNACE AND CORRESPONDING LOADING APPARATUS - Method for managing the metal charge in a melting furnace comprising at least a step of depositing metal materials to be melted in a storage zone, a step of picking up and loading the metal materials from the storage zone onto feed means by means of loading means, and a feed step in which the feed means feed the materials toward the melting furnace. The deposit step provides to divide the storage zone into a plurality of specialized areas in each of which a differentiated type of the metal materials is deposited, and during the pick-up and loading step, a processing device controls and commands the actuation of the loading means which pick up the types of materials from the specialized areas and load them onto the feed means according to a desired modality and quantity. | 01-29-2015 |